2566 lines
84 KiB
JavaScript
Executable File
2566 lines
84 KiB
JavaScript
Executable File
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("./lib/oop");
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var lang = require("./lib/lang");
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var BidiHandler = require("./bidihandler").BidiHandler;
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var config = require("./config");
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var EventEmitter = require("./lib/event_emitter").EventEmitter;
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var Selection = require("./selection").Selection;
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var TextMode = require("./mode/text").Mode;
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var Range = require("./range").Range;
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var Document = require("./document").Document;
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var BackgroundTokenizer = require("./background_tokenizer").BackgroundTokenizer;
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var SearchHighlight = require("./search_highlight").SearchHighlight;
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/**
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* Stores all the data about [[Editor `Editor`]] state providing easy way to change editors state.
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*
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* `EditSession` can be attached to only one [[Document `Document`]]. Same `Document` can be attached to several `EditSession`s.
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* @class EditSession
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**/
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//{ events
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/**
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*
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* Emitted when the document changes.
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* @event change
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* @param {Object} e An object containing a `delta` of information about the change.
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**/
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/**
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* Emitted when the tab size changes, via [[EditSession.setTabSize]].
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*
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* @event changeTabSize
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**/
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/**
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* Emitted when the ability to overwrite text changes, via [[EditSession.setOverwrite]].
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*
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* @event changeOverwrite
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**/
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/**
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* Emitted when the gutter changes, either by setting or removing breakpoints, or when the gutter decorations change.
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*
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* @event changeBreakpoint
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**/
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/**
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* Emitted when a front marker changes.
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*
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* @event changeFrontMarker
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**/
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/**
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* Emitted when a back marker changes.
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*
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* @event changeBackMarker
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**/
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/**
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* Emitted when an annotation changes, like through [[EditSession.setAnnotations]].
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*
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* @event changeAnnotation
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**/
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/**
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* Emitted when a background tokenizer asynchronously processes new rows.
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* @event tokenizerUpdate
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*
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* @param {Object} e An object containing one property, `"data"`, that contains information about the changing rows
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*
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**/
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/**
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* Emitted when the current mode changes.
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*
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* @event changeMode
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*
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**/
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/**
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* Emitted when the wrap mode changes.
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*
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* @event changeWrapMode
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*
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**/
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/**
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* Emitted when the wrapping limit changes.
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*
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* @event changeWrapLimit
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*
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**/
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/**
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* Emitted when a code fold is added or removed.
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*
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* @event changeFold
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*
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**/
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/**
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* Emitted when the scroll top changes.
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* @event changeScrollTop
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*
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* @param {Number} scrollTop The new scroll top value
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**/
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/**
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* Emitted when the scroll left changes.
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* @event changeScrollLeft
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*
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* @param {Number} scrollLeft The new scroll left value
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**/
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//}
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/**
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* Sets up a new `EditSession` and associates it with the given `Document` and `TextMode`.
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* @param {Document | String} text [If `text` is a `Document`, it associates the `EditSession` with it. Otherwise, a new `Document` is created, with the initial text]{: #textParam}
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* @param {TextMode} mode [The initial language mode to use for the document]{: #modeParam}
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*
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* @constructor
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**/
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var EditSession = function(text, mode) {
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this.$breakpoints = [];
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this.$decorations = [];
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this.$frontMarkers = {};
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this.$backMarkers = {};
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this.$markerId = 1;
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this.$undoSelect = true;
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this.$foldData = [];
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this.id = "session" + (++EditSession.$uid);
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this.$foldData.toString = function() {
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return this.join("\n");
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};
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this.on("changeFold", this.onChangeFold.bind(this));
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this.$onChange = this.onChange.bind(this);
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if (typeof text != "object" || !text.getLine)
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text = new Document(text);
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this.setDocument(text);
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this.selection = new Selection(this);
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this.$bidiHandler = new BidiHandler(this);
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config.resetOptions(this);
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this.setMode(mode);
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config._signal("session", this);
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};
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EditSession.$uid = 0;
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(function() {
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oop.implement(this, EventEmitter);
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/**
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* Sets the `EditSession` to point to a new `Document`. If a `BackgroundTokenizer` exists, it also points to `doc`.
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*
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* @param {Document} doc The new `Document` to use
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*
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**/
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this.setDocument = function(doc) {
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if (this.doc)
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this.doc.removeListener("change", this.$onChange);
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this.doc = doc;
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doc.on("change", this.$onChange);
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if (this.bgTokenizer)
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this.bgTokenizer.setDocument(this.getDocument());
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this.resetCaches();
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};
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/**
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* Returns the `Document` associated with this session.
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* @return {Document}
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**/
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this.getDocument = function() {
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return this.doc;
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};
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/**
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* @param {Number} row The row to work with
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*
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**/
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this.$resetRowCache = function(docRow) {
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if (!docRow) {
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this.$docRowCache = [];
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this.$screenRowCache = [];
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return;
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}
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var l = this.$docRowCache.length;
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var i = this.$getRowCacheIndex(this.$docRowCache, docRow) + 1;
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if (l > i) {
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this.$docRowCache.splice(i, l);
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this.$screenRowCache.splice(i, l);
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}
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};
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this.$getRowCacheIndex = function(cacheArray, val) {
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var low = 0;
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var hi = cacheArray.length - 1;
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while (low <= hi) {
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var mid = (low + hi) >> 1;
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var c = cacheArray[mid];
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if (val > c)
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low = mid + 1;
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else if (val < c)
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hi = mid - 1;
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else
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return mid;
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}
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return low -1;
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};
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this.resetCaches = function() {
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this.$modified = true;
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this.$wrapData = [];
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this.$rowLengthCache = [];
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this.$resetRowCache(0);
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if (this.bgTokenizer)
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this.bgTokenizer.start(0);
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};
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this.onChangeFold = function(e) {
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var fold = e.data;
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this.$resetRowCache(fold.start.row);
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};
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this.onChange = function(delta) {
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this.$modified = true;
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this.$bidiHandler.onChange(delta);
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this.$resetRowCache(delta.start.row);
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var removedFolds = this.$updateInternalDataOnChange(delta);
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if (!this.$fromUndo && this.$undoManager) {
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if (removedFolds && removedFolds.length) {
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this.$undoManager.add({
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action: "removeFolds",
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folds: removedFolds
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}, this.mergeUndoDeltas);
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this.mergeUndoDeltas = true;
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}
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this.$undoManager.add(delta, this.mergeUndoDeltas);
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this.mergeUndoDeltas = true;
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this.$informUndoManager.schedule();
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}
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this.bgTokenizer && this.bgTokenizer.$updateOnChange(delta);
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this._signal("change", delta);
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};
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/**
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* Sets the session text.
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* @param {String} text The new text to place
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*
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**/
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this.setValue = function(text) {
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this.doc.setValue(text);
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this.selection.moveTo(0, 0);
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this.$resetRowCache(0);
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this.setUndoManager(this.$undoManager);
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this.getUndoManager().reset();
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};
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/**
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* Returns the current [[Document `Document`]] as a string.
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* @method toString
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* @returns {String}
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* @alias EditSession.getValue
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*
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**/
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/**
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* Returns the current [[Document `Document`]] as a string.
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* @method getValue
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* @returns {String}
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* @alias EditSession.toString
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**/
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this.getValue =
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this.toString = function() {
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return this.doc.getValue();
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};
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/**
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* Returns selection object.
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**/
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this.getSelection = function() {
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return this.selection;
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};
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/**
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* {:BackgroundTokenizer.getState}
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* @param {Number} row The row to start at
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*
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* @related BackgroundTokenizer.getState
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**/
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this.getState = function(row) {
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return this.bgTokenizer.getState(row);
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};
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/**
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* Starts tokenizing at the row indicated. Returns a list of objects of the tokenized rows.
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* @param {Number} row The row to start at
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*
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*
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*
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**/
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this.getTokens = function(row) {
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return this.bgTokenizer.getTokens(row);
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};
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/**
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* Returns an object indicating the token at the current row. The object has two properties: `index` and `start`.
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* @param {Number} row The row number to retrieve from
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* @param {Number} column The column number to retrieve from
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*
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*
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**/
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this.getTokenAt = function(row, column) {
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var tokens = this.bgTokenizer.getTokens(row);
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var token, c = 0;
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if (column == null) {
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var i = tokens.length - 1;
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c = this.getLine(row).length;
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} else {
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for (var i = 0; i < tokens.length; i++) {
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c += tokens[i].value.length;
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if (c >= column)
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break;
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}
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}
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token = tokens[i];
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if (!token)
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return null;
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token.index = i;
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token.start = c - token.value.length;
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return token;
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};
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/**
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* Sets the undo manager.
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* @param {UndoManager} undoManager The new undo manager
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*
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*
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**/
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this.setUndoManager = function(undoManager) {
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this.$undoManager = undoManager;
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if (this.$informUndoManager)
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this.$informUndoManager.cancel();
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if (undoManager) {
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var self = this;
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undoManager.addSession(this);
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this.$syncInformUndoManager = function() {
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self.$informUndoManager.cancel();
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self.mergeUndoDeltas = false;
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};
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this.$informUndoManager = lang.delayedCall(this.$syncInformUndoManager);
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} else {
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this.$syncInformUndoManager = function() {};
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}
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};
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/**
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* starts a new group in undo history
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**/
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this.markUndoGroup = function() {
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if (this.$syncInformUndoManager)
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this.$syncInformUndoManager();
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};
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this.$defaultUndoManager = {
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undo: function() {},
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redo: function() {},
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reset: function() {},
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add: function() {},
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addSelection: function() {},
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startNewGroup: function() {},
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addSession: function() {}
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};
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/**
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* Returns the current undo manager.
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**/
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this.getUndoManager = function() {
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return this.$undoManager || this.$defaultUndoManager;
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};
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/**
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* Returns the current value for tabs. If the user is using soft tabs, this will be a series of spaces (defined by [[EditSession.getTabSize `getTabSize()`]]); otherwise it's simply `'\t'`.
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**/
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this.getTabString = function() {
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if (this.getUseSoftTabs()) {
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return lang.stringRepeat(" ", this.getTabSize());
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} else {
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return "\t";
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}
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};
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/**
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* Pass `true` to enable the use of soft tabs. Soft tabs means you're using spaces instead of the tab character (`'\t'`).
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* @param {Boolean} useSoftTabs Value indicating whether or not to use soft tabs
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**/
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this.setUseSoftTabs = function(val) {
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this.setOption("useSoftTabs", val);
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};
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/**
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* Returns `true` if soft tabs are being used, `false` otherwise.
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* @returns {Boolean}
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**/
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this.getUseSoftTabs = function() {
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// todo might need more general way for changing settings from mode, but this is ok for now
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return this.$useSoftTabs && !this.$mode.$indentWithTabs;
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};
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/**
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* Set the number of spaces that define a soft tab; for example, passing in `4` transforms the soft tabs to be equivalent to four spaces. This function also emits the `changeTabSize` event.
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* @param {Number} tabSize The new tab size
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**/
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this.setTabSize = function(tabSize) {
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this.setOption("tabSize", tabSize);
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};
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/**
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* Returns the current tab size.
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**/
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this.getTabSize = function() {
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return this.$tabSize;
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};
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/**
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* Returns `true` if the character at the position is a soft tab.
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* @param {Object} position The position to check
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*
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**/
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this.isTabStop = function(position) {
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return this.$useSoftTabs && (position.column % this.$tabSize === 0);
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};
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/**
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* Set whether keyboard navigation of soft tabs moves the cursor within the soft tab, rather than over
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* @param {Boolean} navigateWithinSoftTabs Value indicating whether or not to navigate within soft tabs
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**/
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this.setNavigateWithinSoftTabs = function (navigateWithinSoftTabs) {
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this.setOption("navigateWithinSoftTabs", navigateWithinSoftTabs);
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};
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/**
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* Returns `true` if keyboard navigation moves the cursor within soft tabs, `false` if it moves the cursor over soft tabs.
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* @returns {Boolean}
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**/
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this.getNavigateWithinSoftTabs = function() {
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return this.$navigateWithinSoftTabs;
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};
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this.$overwrite = false;
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/**
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* Pass in `true` to enable overwrites in your session, or `false` to disable.
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*
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* If overwrites is enabled, any text you enter will type over any text after it. If the value of `overwrite` changes, this function also emits the `changeOverwrite` event.
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*
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* @param {Boolean} overwrite Defines whether or not to set overwrites
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*
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*
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**/
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this.setOverwrite = function(overwrite) {
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this.setOption("overwrite", overwrite);
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};
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/**
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* Returns `true` if overwrites are enabled; `false` otherwise.
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**/
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this.getOverwrite = function() {
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return this.$overwrite;
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};
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/**
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* Sets the value of overwrite to the opposite of whatever it currently is.
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**/
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this.toggleOverwrite = function() {
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this.setOverwrite(!this.$overwrite);
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};
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/**
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* Adds `className` to the `row`, to be used for CSS stylings and whatnot.
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* @param {Number} row The row number
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* @param {String} className The class to add
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*
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**/
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this.addGutterDecoration = function(row, className) {
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if (!this.$decorations[row])
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this.$decorations[row] = "";
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this.$decorations[row] += " " + className;
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this._signal("changeBreakpoint", {});
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};
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/**
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* Removes `className` from the `row`.
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* @param {Number} row The row number
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* @param {String} className The class to add
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*
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**/
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this.removeGutterDecoration = function(row, className) {
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this.$decorations[row] = (this.$decorations[row] || "").replace(" " + className, "");
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this._signal("changeBreakpoint", {});
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};
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/**
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* Returns an array of strings, indicating the breakpoint class (if any) applied to each row.
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* @returns {[String]}
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**/
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this.getBreakpoints = function() {
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return this.$breakpoints;
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};
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/**
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* Sets a breakpoint on every row number given by `rows`. This function also emites the `'changeBreakpoint'` event.
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* @param {Array} rows An array of row indices
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*
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**/
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this.setBreakpoints = function(rows) {
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this.$breakpoints = [];
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for (var i=0; i<rows.length; i++) {
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this.$breakpoints[rows[i]] = "ace_breakpoint";
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}
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this._signal("changeBreakpoint", {});
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};
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/**
|
|
* Removes all breakpoints on the rows. This function also emits the `'changeBreakpoint'` event.
|
|
**/
|
|
this.clearBreakpoints = function() {
|
|
this.$breakpoints = [];
|
|
this._signal("changeBreakpoint", {});
|
|
};
|
|
|
|
/**
|
|
* Sets a breakpoint on the row number given by `row`. This function also emits the `'changeBreakpoint'` event.
|
|
* @param {Number} row A row index
|
|
* @param {String} className Class of the breakpoint
|
|
*
|
|
**/
|
|
this.setBreakpoint = function(row, className) {
|
|
if (className === undefined)
|
|
className = "ace_breakpoint";
|
|
if (className)
|
|
this.$breakpoints[row] = className;
|
|
else
|
|
delete this.$breakpoints[row];
|
|
this._signal("changeBreakpoint", {});
|
|
};
|
|
|
|
/**
|
|
* Removes a breakpoint on the row number given by `row`. This function also emits the `'changeBreakpoint'` event.
|
|
* @param {Number} row A row index
|
|
*
|
|
**/
|
|
this.clearBreakpoint = function(row) {
|
|
delete this.$breakpoints[row];
|
|
this._signal("changeBreakpoint", {});
|
|
};
|
|
|
|
/**
|
|
* Adds a new marker to the given `Range`. If `inFront` is `true`, a front marker is defined, and the `'changeFrontMarker'` event fires; otherwise, the `'changeBackMarker'` event fires.
|
|
* @param {Range} range Define the range of the marker
|
|
* @param {String} clazz Set the CSS class for the marker
|
|
* @param {Function | String} type Identify the type of the marker
|
|
* @param {Boolean} inFront Set to `true` to establish a front marker
|
|
*
|
|
* @return {Number} The new marker id
|
|
**/
|
|
this.addMarker = function(range, clazz, type, inFront) {
|
|
var id = this.$markerId++;
|
|
|
|
var marker = {
|
|
range : range,
|
|
type : type || "line",
|
|
renderer: typeof type == "function" ? type : null,
|
|
clazz : clazz,
|
|
inFront: !!inFront,
|
|
id: id
|
|
};
|
|
|
|
if (inFront) {
|
|
this.$frontMarkers[id] = marker;
|
|
this._signal("changeFrontMarker");
|
|
} else {
|
|
this.$backMarkers[id] = marker;
|
|
this._signal("changeBackMarker");
|
|
}
|
|
|
|
return id;
|
|
};
|
|
|
|
/**
|
|
* Adds a dynamic marker to the session.
|
|
* @param {Object} marker object with update method
|
|
* @param {Boolean} inFront Set to `true` to establish a front marker
|
|
*
|
|
* @return {Object} The added marker
|
|
**/
|
|
this.addDynamicMarker = function(marker, inFront) {
|
|
if (!marker.update)
|
|
return;
|
|
var id = this.$markerId++;
|
|
marker.id = id;
|
|
marker.inFront = !!inFront;
|
|
|
|
if (inFront) {
|
|
this.$frontMarkers[id] = marker;
|
|
this._signal("changeFrontMarker");
|
|
} else {
|
|
this.$backMarkers[id] = marker;
|
|
this._signal("changeBackMarker");
|
|
}
|
|
|
|
return marker;
|
|
};
|
|
|
|
/**
|
|
* Removes the marker with the specified ID. If this marker was in front, the `'changeFrontMarker'` event is emitted. If the marker was in the back, the `'changeBackMarker'` event is emitted.
|
|
* @param {Number} markerId A number representing a marker
|
|
*
|
|
**/
|
|
this.removeMarker = function(markerId) {
|
|
var marker = this.$frontMarkers[markerId] || this.$backMarkers[markerId];
|
|
if (!marker)
|
|
return;
|
|
|
|
var markers = marker.inFront ? this.$frontMarkers : this.$backMarkers;
|
|
delete (markers[markerId]);
|
|
this._signal(marker.inFront ? "changeFrontMarker" : "changeBackMarker");
|
|
};
|
|
|
|
/**
|
|
* Returns an object containing all of the markers, either front or back.
|
|
* @param {Boolean} inFront If `true`, indicates you only want front markers; `false` indicates only back markers
|
|
*
|
|
* @returns {Object}
|
|
**/
|
|
this.getMarkers = function(inFront) {
|
|
return inFront ? this.$frontMarkers : this.$backMarkers;
|
|
};
|
|
|
|
this.highlight = function(re) {
|
|
if (!this.$searchHighlight) {
|
|
var highlight = new SearchHighlight(null, "ace_selected-word", "text");
|
|
this.$searchHighlight = this.addDynamicMarker(highlight);
|
|
}
|
|
this.$searchHighlight.setRegexp(re);
|
|
};
|
|
|
|
// experimental
|
|
this.highlightLines = function(startRow, endRow, clazz, inFront) {
|
|
if (typeof endRow != "number") {
|
|
clazz = endRow;
|
|
endRow = startRow;
|
|
}
|
|
if (!clazz)
|
|
clazz = "ace_step";
|
|
|
|
var range = new Range(startRow, 0, endRow, Infinity);
|
|
range.id = this.addMarker(range, clazz, "fullLine", inFront);
|
|
return range;
|
|
};
|
|
|
|
/*
|
|
* Error:
|
|
* {
|
|
* row: 12,
|
|
* column: 2, //can be undefined
|
|
* text: "Missing argument",
|
|
* type: "error" // or "warning" or "info"
|
|
* }
|
|
*/
|
|
/**
|
|
* Sets annotations for the `EditSession`. This functions emits the `'changeAnnotation'` event.
|
|
* @param {Array} annotations A list of annotations
|
|
*
|
|
**/
|
|
this.setAnnotations = function(annotations) {
|
|
this.$annotations = annotations;
|
|
this._signal("changeAnnotation", {});
|
|
};
|
|
|
|
/**
|
|
* Returns the annotations for the `EditSession`.
|
|
* @returns {Array}
|
|
**/
|
|
this.getAnnotations = function() {
|
|
return this.$annotations || [];
|
|
};
|
|
|
|
/**
|
|
* Clears all the annotations for this session. This function also triggers the `'changeAnnotation'` event.
|
|
**/
|
|
this.clearAnnotations = function() {
|
|
this.setAnnotations([]);
|
|
};
|
|
|
|
/**
|
|
* If `text` contains either the newline (`\n`) or carriage-return ('\r') characters, `$autoNewLine` stores that value.
|
|
* @param {String} text A block of text
|
|
*
|
|
**/
|
|
this.$detectNewLine = function(text) {
|
|
var match = text.match(/^.*?(\r?\n)/m);
|
|
if (match) {
|
|
this.$autoNewLine = match[1];
|
|
} else {
|
|
this.$autoNewLine = "\n";
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Given a starting row and column, this method returns the `Range` of the first word boundary it finds.
|
|
* @param {Number} row The row to start at
|
|
* @param {Number} column The column to start at
|
|
*
|
|
* @returns {Range}
|
|
**/
|
|
this.getWordRange = function(row, column) {
|
|
var line = this.getLine(row);
|
|
|
|
var inToken = false;
|
|
if (column > 0)
|
|
inToken = !!line.charAt(column - 1).match(this.tokenRe);
|
|
|
|
if (!inToken)
|
|
inToken = !!line.charAt(column).match(this.tokenRe);
|
|
|
|
if (inToken)
|
|
var re = this.tokenRe;
|
|
else if (/^\s+$/.test(line.slice(column-1, column+1)))
|
|
var re = /\s/;
|
|
else
|
|
var re = this.nonTokenRe;
|
|
|
|
var start = column;
|
|
if (start > 0) {
|
|
do {
|
|
start--;
|
|
}
|
|
while (start >= 0 && line.charAt(start).match(re));
|
|
start++;
|
|
}
|
|
|
|
var end = column;
|
|
while (end < line.length && line.charAt(end).match(re)) {
|
|
end++;
|
|
}
|
|
|
|
return new Range(row, start, row, end);
|
|
};
|
|
|
|
/**
|
|
* Gets the range of a word, including its right whitespace.
|
|
* @param {Number} row The row number to start from
|
|
* @param {Number} column The column number to start from
|
|
*
|
|
* @return {Range}
|
|
**/
|
|
this.getAWordRange = function(row, column) {
|
|
var wordRange = this.getWordRange(row, column);
|
|
var line = this.getLine(wordRange.end.row);
|
|
|
|
while (line.charAt(wordRange.end.column).match(/[ \t]/)) {
|
|
wordRange.end.column += 1;
|
|
}
|
|
return wordRange;
|
|
};
|
|
|
|
/**
|
|
* {:Document.setNewLineMode.desc}
|
|
* @param {String} newLineMode {:Document.setNewLineMode.param}
|
|
*
|
|
*
|
|
* @related Document.setNewLineMode
|
|
**/
|
|
this.setNewLineMode = function(newLineMode) {
|
|
this.doc.setNewLineMode(newLineMode);
|
|
};
|
|
|
|
/**
|
|
*
|
|
* Returns the current new line mode.
|
|
* @returns {String}
|
|
* @related Document.getNewLineMode
|
|
**/
|
|
this.getNewLineMode = function() {
|
|
return this.doc.getNewLineMode();
|
|
};
|
|
|
|
/**
|
|
* Identifies if you want to use a worker for the `EditSession`.
|
|
* @param {Boolean} useWorker Set to `true` to use a worker
|
|
*
|
|
**/
|
|
this.setUseWorker = function(useWorker) { this.setOption("useWorker", useWorker); };
|
|
|
|
/**
|
|
* Returns `true` if workers are being used.
|
|
**/
|
|
this.getUseWorker = function() { return this.$useWorker; };
|
|
|
|
/**
|
|
* Reloads all the tokens on the current session. This function calls [[BackgroundTokenizer.start `BackgroundTokenizer.start ()`]] to all the rows; it also emits the `'tokenizerUpdate'` event.
|
|
**/
|
|
this.onReloadTokenizer = function(e) {
|
|
var rows = e.data;
|
|
this.bgTokenizer.start(rows.first);
|
|
this._signal("tokenizerUpdate", e);
|
|
};
|
|
|
|
this.$modes = config.$modes;
|
|
|
|
/**
|
|
* Sets a new text mode for the `EditSession`. This method also emits the `'changeMode'` event. If a [[BackgroundTokenizer `BackgroundTokenizer`]] is set, the `'tokenizerUpdate'` event is also emitted.
|
|
* @param {TextMode} mode Set a new text mode
|
|
* @param {cb} optional callback
|
|
*
|
|
**/
|
|
this.$mode = null;
|
|
this.$modeId = null;
|
|
this.setMode = function(mode, cb) {
|
|
if (mode && typeof mode === "object") {
|
|
if (mode.getTokenizer)
|
|
return this.$onChangeMode(mode);
|
|
var options = mode;
|
|
var path = options.path;
|
|
} else {
|
|
path = mode || "ace/mode/text";
|
|
}
|
|
|
|
// this is needed if ace isn't on require path (e.g tests in node)
|
|
if (!this.$modes["ace/mode/text"])
|
|
this.$modes["ace/mode/text"] = new TextMode();
|
|
|
|
if (this.$modes[path] && !options) {
|
|
this.$onChangeMode(this.$modes[path]);
|
|
cb && cb();
|
|
return;
|
|
}
|
|
// load on demand
|
|
this.$modeId = path;
|
|
config.loadModule(["mode", path], function(m) {
|
|
if (this.$modeId !== path)
|
|
return cb && cb();
|
|
if (this.$modes[path] && !options) {
|
|
this.$onChangeMode(this.$modes[path]);
|
|
} else if (m && m.Mode) {
|
|
m = new m.Mode(options);
|
|
if (!options) {
|
|
this.$modes[path] = m;
|
|
m.$id = path;
|
|
}
|
|
this.$onChangeMode(m);
|
|
}
|
|
cb && cb();
|
|
}.bind(this));
|
|
|
|
// set mode to text until loading is finished
|
|
if (!this.$mode)
|
|
this.$onChangeMode(this.$modes["ace/mode/text"], true);
|
|
};
|
|
|
|
this.$onChangeMode = function(mode, $isPlaceholder) {
|
|
if (!$isPlaceholder)
|
|
this.$modeId = mode.$id;
|
|
if (this.$mode === mode)
|
|
return;
|
|
|
|
this.$mode = mode;
|
|
|
|
this.$stopWorker();
|
|
|
|
if (this.$useWorker)
|
|
this.$startWorker();
|
|
|
|
var tokenizer = mode.getTokenizer();
|
|
|
|
if(tokenizer.addEventListener !== undefined) {
|
|
var onReloadTokenizer = this.onReloadTokenizer.bind(this);
|
|
tokenizer.addEventListener("update", onReloadTokenizer);
|
|
}
|
|
|
|
if (!this.bgTokenizer) {
|
|
this.bgTokenizer = new BackgroundTokenizer(tokenizer);
|
|
var _self = this;
|
|
this.bgTokenizer.addEventListener("update", function(e) {
|
|
_self._signal("tokenizerUpdate", e);
|
|
});
|
|
} else {
|
|
this.bgTokenizer.setTokenizer(tokenizer);
|
|
}
|
|
|
|
this.bgTokenizer.setDocument(this.getDocument());
|
|
|
|
this.tokenRe = mode.tokenRe;
|
|
this.nonTokenRe = mode.nonTokenRe;
|
|
|
|
|
|
if (!$isPlaceholder) {
|
|
// experimental method, used by c9 findiniles
|
|
if (mode.attachToSession)
|
|
mode.attachToSession(this);
|
|
this.$options.wrapMethod.set.call(this, this.$wrapMethod);
|
|
this.$setFolding(mode.foldingRules);
|
|
this.bgTokenizer.start(0);
|
|
this._emit("changeMode");
|
|
}
|
|
};
|
|
|
|
this.$stopWorker = function() {
|
|
if (this.$worker) {
|
|
this.$worker.terminate();
|
|
this.$worker = null;
|
|
}
|
|
};
|
|
|
|
this.$startWorker = function() {
|
|
try {
|
|
this.$worker = this.$mode.createWorker(this);
|
|
} catch (e) {
|
|
config.warn("Could not load worker", e);
|
|
this.$worker = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns the current text mode.
|
|
* @returns {TextMode} The current text mode
|
|
**/
|
|
this.getMode = function() {
|
|
return this.$mode;
|
|
};
|
|
|
|
this.$scrollTop = 0;
|
|
/**
|
|
* This function sets the scroll top value. It also emits the `'changeScrollTop'` event.
|
|
* @param {Number} scrollTop The new scroll top value
|
|
*
|
|
**/
|
|
this.setScrollTop = function(scrollTop) {
|
|
// TODO: should we force integer lineheight instead? scrollTop = Math.round(scrollTop);
|
|
if (this.$scrollTop === scrollTop || isNaN(scrollTop))
|
|
return;
|
|
|
|
this.$scrollTop = scrollTop;
|
|
this._signal("changeScrollTop", scrollTop);
|
|
};
|
|
|
|
/**
|
|
* [Returns the value of the distance between the top of the editor and the topmost part of the visible content.]{: #EditSession.getScrollTop}
|
|
* @returns {Number}
|
|
**/
|
|
this.getScrollTop = function() {
|
|
return this.$scrollTop;
|
|
};
|
|
|
|
this.$scrollLeft = 0;
|
|
/**
|
|
* [Sets the value of the distance between the left of the editor and the leftmost part of the visible content.]{: #EditSession.setScrollLeft}
|
|
**/
|
|
this.setScrollLeft = function(scrollLeft) {
|
|
// scrollLeft = Math.round(scrollLeft);
|
|
if (this.$scrollLeft === scrollLeft || isNaN(scrollLeft))
|
|
return;
|
|
|
|
this.$scrollLeft = scrollLeft;
|
|
this._signal("changeScrollLeft", scrollLeft);
|
|
};
|
|
|
|
/**
|
|
* [Returns the value of the distance between the left of the editor and the leftmost part of the visible content.]{: #EditSession.getScrollLeft}
|
|
* @returns {Number}
|
|
**/
|
|
this.getScrollLeft = function() {
|
|
return this.$scrollLeft;
|
|
};
|
|
|
|
/**
|
|
* Returns the width of the screen.
|
|
* @returns {Number}
|
|
**/
|
|
this.getScreenWidth = function() {
|
|
this.$computeWidth();
|
|
if (this.lineWidgets)
|
|
return Math.max(this.getLineWidgetMaxWidth(), this.screenWidth);
|
|
return this.screenWidth;
|
|
};
|
|
|
|
this.getLineWidgetMaxWidth = function() {
|
|
if (this.lineWidgetsWidth != null) return this.lineWidgetsWidth;
|
|
var width = 0;
|
|
this.lineWidgets.forEach(function(w) {
|
|
if (w && w.screenWidth > width)
|
|
width = w.screenWidth;
|
|
});
|
|
return this.lineWidgetWidth = width;
|
|
};
|
|
|
|
this.$computeWidth = function(force) {
|
|
if (this.$modified || force) {
|
|
this.$modified = false;
|
|
|
|
if (this.$useWrapMode)
|
|
return this.screenWidth = this.$wrapLimit;
|
|
|
|
var lines = this.doc.getAllLines();
|
|
var cache = this.$rowLengthCache;
|
|
var longestScreenLine = 0;
|
|
var foldIndex = 0;
|
|
var foldLine = this.$foldData[foldIndex];
|
|
var foldStart = foldLine ? foldLine.start.row : Infinity;
|
|
var len = lines.length;
|
|
|
|
for (var i = 0; i < len; i++) {
|
|
if (i > foldStart) {
|
|
i = foldLine.end.row + 1;
|
|
if (i >= len)
|
|
break;
|
|
foldLine = this.$foldData[foldIndex++];
|
|
foldStart = foldLine ? foldLine.start.row : Infinity;
|
|
}
|
|
|
|
if (cache[i] == null)
|
|
cache[i] = this.$getStringScreenWidth(lines[i])[0];
|
|
|
|
if (cache[i] > longestScreenLine)
|
|
longestScreenLine = cache[i];
|
|
}
|
|
this.screenWidth = longestScreenLine;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns a verbatim copy of the given line as it is in the document
|
|
* @param {Number} row The row to retrieve from
|
|
*
|
|
* @returns {String}
|
|
**/
|
|
this.getLine = function(row) {
|
|
return this.doc.getLine(row);
|
|
};
|
|
|
|
/**
|
|
* Returns an array of strings of the rows between `firstRow` and `lastRow`. This function is inclusive of `lastRow`.
|
|
* @param {Number} firstRow The first row index to retrieve
|
|
* @param {Number} lastRow The final row index to retrieve
|
|
*
|
|
* @returns {[String]}
|
|
*
|
|
**/
|
|
this.getLines = function(firstRow, lastRow) {
|
|
return this.doc.getLines(firstRow, lastRow);
|
|
};
|
|
|
|
/**
|
|
* Returns the number of rows in the document.
|
|
* @returns {Number}
|
|
**/
|
|
this.getLength = function() {
|
|
return this.doc.getLength();
|
|
};
|
|
|
|
/**
|
|
* {:Document.getTextRange.desc}
|
|
* @param {Range} range The range to work with
|
|
*
|
|
* @returns {String}
|
|
**/
|
|
this.getTextRange = function(range) {
|
|
return this.doc.getTextRange(range || this.selection.getRange());
|
|
};
|
|
|
|
/**
|
|
* Inserts a block of `text` and the indicated `position`.
|
|
* @param {Object} position The position {row, column} to start inserting at
|
|
* @param {String} text A chunk of text to insert
|
|
* @returns {Object} The position of the last line of `text`. If the length of `text` is 0, this function simply returns `position`.
|
|
*
|
|
*
|
|
**/
|
|
this.insert = function(position, text) {
|
|
return this.doc.insert(position, text);
|
|
};
|
|
|
|
/**
|
|
* Removes the `range` from the document.
|
|
* @param {Range} range A specified Range to remove
|
|
* @returns {Object} The new `start` property of the range, which contains `startRow` and `startColumn`. If `range` is empty, this function returns the unmodified value of `range.start`.
|
|
*
|
|
* @related Document.remove
|
|
*
|
|
**/
|
|
this.remove = function(range) {
|
|
return this.doc.remove(range);
|
|
};
|
|
|
|
/**
|
|
* Removes a range of full lines. This method also triggers the `'change'` event.
|
|
* @param {Number} firstRow The first row to be removed
|
|
* @param {Number} lastRow The last row to be removed
|
|
* @returns {[String]} Returns all the removed lines.
|
|
*
|
|
* @related Document.removeFullLines
|
|
*
|
|
**/
|
|
this.removeFullLines = function(firstRow, lastRow){
|
|
return this.doc.removeFullLines(firstRow, lastRow);
|
|
};
|
|
|
|
/**
|
|
* Reverts previous changes to your document.
|
|
* @param {Array} deltas An array of previous changes
|
|
* @param {Boolean} dontSelect [If `true`, doesn't select the range of where the change occured]{: #dontSelect}
|
|
*
|
|
* @returns {Range}
|
|
**/
|
|
this.undoChanges = function(deltas, dontSelect) {
|
|
if (!deltas.length)
|
|
return;
|
|
|
|
this.$fromUndo = true;
|
|
for (var i = deltas.length - 1; i != -1; i--) {
|
|
var delta = deltas[i];
|
|
if (delta.action == "insert" || delta.action == "remove") {
|
|
this.doc.revertDelta(delta);
|
|
} else if (delta.folds) {
|
|
this.addFolds(delta.folds);
|
|
}
|
|
}
|
|
if (!dontSelect && this.$undoSelect) {
|
|
if (deltas.selectionBefore)
|
|
this.selection.fromJSON(deltas.selectionBefore);
|
|
else
|
|
this.selection.setRange(this.$getUndoSelection(deltas, true));
|
|
}
|
|
this.$fromUndo = false;
|
|
};
|
|
|
|
/**
|
|
* Re-implements a previously undone change to your document.
|
|
* @param {Array} deltas An array of previous changes
|
|
* @param {Boolean} dontSelect {:dontSelect}
|
|
*
|
|
* @returns {Range}
|
|
**/
|
|
this.redoChanges = function(deltas, dontSelect) {
|
|
if (!deltas.length)
|
|
return;
|
|
|
|
this.$fromUndo = true;
|
|
for (var i = 0; i < deltas.length; i++) {
|
|
var delta = deltas[i];
|
|
if (delta.action == "insert" || delta.action == "remove") {
|
|
this.doc.applyDelta(delta);
|
|
}
|
|
}
|
|
|
|
if (!dontSelect && this.$undoSelect) {
|
|
if (deltas.selectionAfter)
|
|
this.selection.fromJSON(deltas.selectionAfter);
|
|
else
|
|
this.selection.setRange(this.$getUndoSelection(deltas, false));
|
|
}
|
|
this.$fromUndo = false;
|
|
};
|
|
|
|
/**
|
|
* Enables or disables highlighting of the range where an undo occurred.
|
|
* @param {Boolean} enable If `true`, selects the range of the reinserted change
|
|
*
|
|
**/
|
|
this.setUndoSelect = function(enable) {
|
|
this.$undoSelect = enable;
|
|
};
|
|
|
|
this.$getUndoSelection = function(deltas, isUndo) {
|
|
function isInsert(delta) {
|
|
return isUndo ? delta.action !== "insert" : delta.action === "insert";
|
|
}
|
|
|
|
var range, point;
|
|
var lastDeltaIsInsert;
|
|
|
|
for (var i = 0; i < deltas.length; i++) {
|
|
var delta = deltas[i];
|
|
if (!delta.start) continue; // skip folds
|
|
if (!range) {
|
|
if (isInsert(delta)) {
|
|
range = Range.fromPoints(delta.start, delta.end);
|
|
lastDeltaIsInsert = true;
|
|
} else {
|
|
range = Range.fromPoints(delta.start, delta.start);
|
|
lastDeltaIsInsert = false;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (isInsert(delta)) {
|
|
point = delta.start;
|
|
if (range.compare(point.row, point.column) == -1) {
|
|
range.setStart(point);
|
|
}
|
|
point = delta.end;
|
|
if (range.compare(point.row, point.column) == 1) {
|
|
range.setEnd(point);
|
|
}
|
|
lastDeltaIsInsert = true;
|
|
} else {
|
|
point = delta.start;
|
|
if (range.compare(point.row, point.column) == -1) {
|
|
range = Range.fromPoints(delta.start, delta.start);
|
|
}
|
|
lastDeltaIsInsert = false;
|
|
}
|
|
}
|
|
return range;
|
|
};
|
|
|
|
/**
|
|
* Replaces a range in the document with the new `text`.
|
|
*
|
|
* @param {Range} range A specified Range to replace
|
|
* @param {String} text The new text to use as a replacement
|
|
* @returns {Object} An object containing the final row and column, like this:
|
|
* ```
|
|
* {row: endRow, column: 0}
|
|
* ```
|
|
* If the text and range are empty, this function returns an object containing the current `range.start` value.
|
|
* If the text is the exact same as what currently exists, this function returns an object containing the current `range.end` value.
|
|
*
|
|
* @related Document.replace
|
|
**/
|
|
this.replace = function(range, text) {
|
|
return this.doc.replace(range, text);
|
|
};
|
|
|
|
/**
|
|
* Moves a range of text from the given range to the given position. `toPosition` is an object that looks like this:
|
|
* ```json
|
|
* { row: newRowLocation, column: newColumnLocation }
|
|
* ```
|
|
* @param {Range} fromRange The range of text you want moved within the document
|
|
* @param {Object} toPosition The location (row and column) where you want to move the text to
|
|
* @returns {Range} The new range where the text was moved to.
|
|
**/
|
|
this.moveText = function(fromRange, toPosition, copy) {
|
|
var text = this.getTextRange(fromRange);
|
|
var folds = this.getFoldsInRange(fromRange);
|
|
|
|
var toRange = Range.fromPoints(toPosition, toPosition);
|
|
if (!copy) {
|
|
this.remove(fromRange);
|
|
var rowDiff = fromRange.start.row - fromRange.end.row;
|
|
var collDiff = rowDiff ? -fromRange.end.column : fromRange.start.column - fromRange.end.column;
|
|
if (collDiff) {
|
|
if (toRange.start.row == fromRange.end.row && toRange.start.column > fromRange.end.column)
|
|
toRange.start.column += collDiff;
|
|
if (toRange.end.row == fromRange.end.row && toRange.end.column > fromRange.end.column)
|
|
toRange.end.column += collDiff;
|
|
}
|
|
if (rowDiff && toRange.start.row >= fromRange.end.row) {
|
|
toRange.start.row += rowDiff;
|
|
toRange.end.row += rowDiff;
|
|
}
|
|
}
|
|
|
|
toRange.end = this.insert(toRange.start, text);
|
|
if (folds.length) {
|
|
var oldStart = fromRange.start;
|
|
var newStart = toRange.start;
|
|
var rowDiff = newStart.row - oldStart.row;
|
|
var collDiff = newStart.column - oldStart.column;
|
|
this.addFolds(folds.map(function(x) {
|
|
x = x.clone();
|
|
if (x.start.row == oldStart.row)
|
|
x.start.column += collDiff;
|
|
if (x.end.row == oldStart.row)
|
|
x.end.column += collDiff;
|
|
x.start.row += rowDiff;
|
|
x.end.row += rowDiff;
|
|
return x;
|
|
}));
|
|
}
|
|
|
|
return toRange;
|
|
};
|
|
|
|
/**
|
|
* Indents all the rows, from `startRow` to `endRow` (inclusive), by prefixing each row with the token in `indentString`.
|
|
*
|
|
* If `indentString` contains the `'\t'` character, it's replaced by whatever is defined by [[EditSession.getTabString `getTabString()`]].
|
|
* @param {Number} startRow Starting row
|
|
* @param {Number} endRow Ending row
|
|
* @param {String} indentString The indent token
|
|
*
|
|
*
|
|
**/
|
|
this.indentRows = function(startRow, endRow, indentString) {
|
|
indentString = indentString.replace(/\t/g, this.getTabString());
|
|
for (var row=startRow; row<=endRow; row++)
|
|
this.doc.insertInLine({row: row, column: 0}, indentString);
|
|
};
|
|
|
|
/**
|
|
* Outdents all the rows defined by the `start` and `end` properties of `range`.
|
|
* @param {Range} range A range of rows
|
|
*
|
|
**/
|
|
this.outdentRows = function (range) {
|
|
var rowRange = range.collapseRows();
|
|
var deleteRange = new Range(0, 0, 0, 0);
|
|
var size = this.getTabSize();
|
|
|
|
for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {
|
|
var line = this.getLine(i);
|
|
|
|
deleteRange.start.row = i;
|
|
deleteRange.end.row = i;
|
|
for (var j = 0; j < size; ++j)
|
|
if (line.charAt(j) != ' ')
|
|
break;
|
|
if (j < size && line.charAt(j) == '\t') {
|
|
deleteRange.start.column = j;
|
|
deleteRange.end.column = j + 1;
|
|
} else {
|
|
deleteRange.start.column = 0;
|
|
deleteRange.end.column = j;
|
|
}
|
|
this.remove(deleteRange);
|
|
}
|
|
};
|
|
|
|
this.$moveLines = function(firstRow, lastRow, dir) {
|
|
firstRow = this.getRowFoldStart(firstRow);
|
|
lastRow = this.getRowFoldEnd(lastRow);
|
|
if (dir < 0) {
|
|
var row = this.getRowFoldStart(firstRow + dir);
|
|
if (row < 0) return 0;
|
|
var diff = row-firstRow;
|
|
} else if (dir > 0) {
|
|
var row = this.getRowFoldEnd(lastRow + dir);
|
|
if (row > this.doc.getLength()-1) return 0;
|
|
var diff = row-lastRow;
|
|
} else {
|
|
firstRow = this.$clipRowToDocument(firstRow);
|
|
lastRow = this.$clipRowToDocument(lastRow);
|
|
var diff = lastRow - firstRow + 1;
|
|
}
|
|
|
|
var range = new Range(firstRow, 0, lastRow, Number.MAX_VALUE);
|
|
var folds = this.getFoldsInRange(range).map(function(x){
|
|
x = x.clone();
|
|
x.start.row += diff;
|
|
x.end.row += diff;
|
|
return x;
|
|
});
|
|
|
|
var lines = dir == 0
|
|
? this.doc.getLines(firstRow, lastRow)
|
|
: this.doc.removeFullLines(firstRow, lastRow);
|
|
this.doc.insertFullLines(firstRow+diff, lines);
|
|
folds.length && this.addFolds(folds);
|
|
return diff;
|
|
};
|
|
/**
|
|
* Shifts all the lines in the document up one, starting from `firstRow` and ending at `lastRow`.
|
|
* @param {Number} firstRow The starting row to move up
|
|
* @param {Number} lastRow The final row to move up
|
|
* @returns {Number} If `firstRow` is less-than or equal to 0, this function returns 0. Otherwise, on success, it returns -1.
|
|
*
|
|
**/
|
|
this.moveLinesUp = function(firstRow, lastRow) {
|
|
return this.$moveLines(firstRow, lastRow, -1);
|
|
};
|
|
|
|
/**
|
|
* Shifts all the lines in the document down one, starting from `firstRow` and ending at `lastRow`.
|
|
* @param {Number} firstRow The starting row to move down
|
|
* @param {Number} lastRow The final row to move down
|
|
* @returns {Number} If `firstRow` is less-than or equal to 0, this function returns 0. Otherwise, on success, it returns -1.
|
|
**/
|
|
this.moveLinesDown = function(firstRow, lastRow) {
|
|
return this.$moveLines(firstRow, lastRow, 1);
|
|
};
|
|
|
|
/**
|
|
* Duplicates all the text between `firstRow` and `lastRow`.
|
|
* @param {Number} firstRow The starting row to duplicate
|
|
* @param {Number} lastRow The final row to duplicate
|
|
* @returns {Number} Returns the number of new rows added; in other words, `lastRow - firstRow + 1`.
|
|
*
|
|
*
|
|
**/
|
|
this.duplicateLines = function(firstRow, lastRow) {
|
|
return this.$moveLines(firstRow, lastRow, 0);
|
|
};
|
|
|
|
|
|
this.$clipRowToDocument = function(row) {
|
|
return Math.max(0, Math.min(row, this.doc.getLength()-1));
|
|
};
|
|
|
|
this.$clipColumnToRow = function(row, column) {
|
|
if (column < 0)
|
|
return 0;
|
|
return Math.min(this.doc.getLine(row).length, column);
|
|
};
|
|
|
|
|
|
this.$clipPositionToDocument = function(row, column) {
|
|
column = Math.max(0, column);
|
|
|
|
if (row < 0) {
|
|
row = 0;
|
|
column = 0;
|
|
} else {
|
|
var len = this.doc.getLength();
|
|
if (row >= len) {
|
|
row = len - 1;
|
|
column = this.doc.getLine(len-1).length;
|
|
} else {
|
|
column = Math.min(this.doc.getLine(row).length, column);
|
|
}
|
|
}
|
|
|
|
return {
|
|
row: row,
|
|
column: column
|
|
};
|
|
};
|
|
|
|
this.$clipRangeToDocument = function(range) {
|
|
if (range.start.row < 0) {
|
|
range.start.row = 0;
|
|
range.start.column = 0;
|
|
} else {
|
|
range.start.column = this.$clipColumnToRow(
|
|
range.start.row,
|
|
range.start.column
|
|
);
|
|
}
|
|
|
|
var len = this.doc.getLength() - 1;
|
|
if (range.end.row > len) {
|
|
range.end.row = len;
|
|
range.end.column = this.doc.getLine(len).length;
|
|
} else {
|
|
range.end.column = this.$clipColumnToRow(
|
|
range.end.row,
|
|
range.end.column
|
|
);
|
|
}
|
|
return range;
|
|
};
|
|
|
|
// WRAPMODE
|
|
this.$wrapLimit = 80;
|
|
this.$useWrapMode = false;
|
|
this.$wrapLimitRange = {
|
|
min : null,
|
|
max : null
|
|
};
|
|
|
|
/**
|
|
* Sets whether or not line wrapping is enabled. If `useWrapMode` is different than the current value, the `'changeWrapMode'` event is emitted.
|
|
* @param {Boolean} useWrapMode Enable (or disable) wrap mode
|
|
*
|
|
**/
|
|
this.setUseWrapMode = function(useWrapMode) {
|
|
if (useWrapMode != this.$useWrapMode) {
|
|
this.$useWrapMode = useWrapMode;
|
|
this.$modified = true;
|
|
this.$resetRowCache(0);
|
|
|
|
// If wrapMode is activaed, the wrapData array has to be initialized.
|
|
if (useWrapMode) {
|
|
var len = this.getLength();
|
|
this.$wrapData = Array(len);
|
|
this.$updateWrapData(0, len - 1);
|
|
}
|
|
|
|
this._signal("changeWrapMode");
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns `true` if wrap mode is being used; `false` otherwise.
|
|
* @returns {Boolean}
|
|
**/
|
|
this.getUseWrapMode = function() {
|
|
return this.$useWrapMode;
|
|
};
|
|
|
|
// Allow the wrap limit to move freely between min and max. Either
|
|
// parameter can be null to allow the wrap limit to be unconstrained
|
|
// in that direction. Or set both parameters to the same number to pin
|
|
// the limit to that value.
|
|
/**
|
|
* Sets the boundaries of wrap. Either value can be `null` to have an unconstrained wrap, or, they can be the same number to pin the limit. If the wrap limits for `min` or `max` are different, this method also emits the `'changeWrapMode'` event.
|
|
* @param {Number} min The minimum wrap value (the left side wrap)
|
|
* @param {Number} max The maximum wrap value (the right side wrap)
|
|
*
|
|
**/
|
|
this.setWrapLimitRange = function(min, max) {
|
|
if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {
|
|
this.$wrapLimitRange = { min: min, max: max };
|
|
this.$modified = true;
|
|
this.$bidiHandler.markAsDirty();
|
|
|
|
// This will force a recalculation of the wrap limit
|
|
if (this.$useWrapMode)
|
|
this._signal("changeWrapMode");
|
|
}
|
|
};
|
|
|
|
/**
|
|
* This should generally only be called by the renderer when a resize is detected.
|
|
* @param {Number} desiredLimit The new wrap limit
|
|
* @returns {Boolean}
|
|
*
|
|
* @private
|
|
**/
|
|
this.adjustWrapLimit = function(desiredLimit, $printMargin) {
|
|
var limits = this.$wrapLimitRange;
|
|
if (limits.max < 0)
|
|
limits = {min: $printMargin, max: $printMargin};
|
|
var wrapLimit = this.$constrainWrapLimit(desiredLimit, limits.min, limits.max);
|
|
if (wrapLimit != this.$wrapLimit && wrapLimit > 1) {
|
|
this.$wrapLimit = wrapLimit;
|
|
this.$modified = true;
|
|
if (this.$useWrapMode) {
|
|
this.$updateWrapData(0, this.getLength() - 1);
|
|
this.$resetRowCache(0);
|
|
this._signal("changeWrapLimit");
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
this.$constrainWrapLimit = function(wrapLimit, min, max) {
|
|
if (min)
|
|
wrapLimit = Math.max(min, wrapLimit);
|
|
|
|
if (max)
|
|
wrapLimit = Math.min(max, wrapLimit);
|
|
|
|
return wrapLimit;
|
|
};
|
|
|
|
/**
|
|
* Returns the value of wrap limit.
|
|
* @returns {Number} The wrap limit.
|
|
**/
|
|
this.getWrapLimit = function() {
|
|
return this.$wrapLimit;
|
|
};
|
|
|
|
/**
|
|
* Sets the line length for soft wrap in the editor. Lines will break
|
|
* at a minimum of the given length minus 20 chars and at a maximum
|
|
* of the given number of chars.
|
|
* @param {number} limit The maximum line length in chars, for soft wrapping lines.
|
|
*/
|
|
this.setWrapLimit = function (limit) {
|
|
this.setWrapLimitRange(limit, limit);
|
|
};
|
|
|
|
/**
|
|
* Returns an object that defines the minimum and maximum of the wrap limit; it looks something like this:
|
|
*
|
|
* { min: wrapLimitRange_min, max: wrapLimitRange_max }
|
|
*
|
|
* @returns {Object}
|
|
**/
|
|
this.getWrapLimitRange = function() {
|
|
// Avoid unexpected mutation by returning a copy
|
|
return {
|
|
min : this.$wrapLimitRange.min,
|
|
max : this.$wrapLimitRange.max
|
|
};
|
|
};
|
|
|
|
this.$updateInternalDataOnChange = function(delta) {
|
|
var useWrapMode = this.$useWrapMode;
|
|
var action = delta.action;
|
|
var start = delta.start;
|
|
var end = delta.end;
|
|
var firstRow = start.row;
|
|
var lastRow = end.row;
|
|
var len = lastRow - firstRow;
|
|
var removedFolds = null;
|
|
|
|
this.$updating = true;
|
|
if (len != 0) {
|
|
if (action === "remove") {
|
|
this[useWrapMode ? "$wrapData" : "$rowLengthCache"].splice(firstRow, len);
|
|
|
|
var foldLines = this.$foldData;
|
|
removedFolds = this.getFoldsInRange(delta);
|
|
this.removeFolds(removedFolds);
|
|
|
|
var foldLine = this.getFoldLine(end.row);
|
|
var idx = 0;
|
|
if (foldLine) {
|
|
foldLine.addRemoveChars(end.row, end.column, start.column - end.column);
|
|
foldLine.shiftRow(-len);
|
|
|
|
var foldLineBefore = this.getFoldLine(firstRow);
|
|
if (foldLineBefore && foldLineBefore !== foldLine) {
|
|
foldLineBefore.merge(foldLine);
|
|
foldLine = foldLineBefore;
|
|
}
|
|
idx = foldLines.indexOf(foldLine) + 1;
|
|
}
|
|
|
|
for (idx; idx < foldLines.length; idx++) {
|
|
var foldLine = foldLines[idx];
|
|
if (foldLine.start.row >= end.row) {
|
|
foldLine.shiftRow(-len);
|
|
}
|
|
}
|
|
|
|
lastRow = firstRow;
|
|
} else {
|
|
var args = Array(len);
|
|
args.unshift(firstRow, 0);
|
|
var arr = useWrapMode ? this.$wrapData : this.$rowLengthCache;
|
|
arr.splice.apply(arr, args);
|
|
|
|
// If some new line is added inside of a foldLine, then split
|
|
// the fold line up.
|
|
var foldLines = this.$foldData;
|
|
var foldLine = this.getFoldLine(firstRow);
|
|
var idx = 0;
|
|
if (foldLine) {
|
|
var cmp = foldLine.range.compareInside(start.row, start.column);
|
|
// Inside of the foldLine range. Need to split stuff up.
|
|
if (cmp == 0) {
|
|
foldLine = foldLine.split(start.row, start.column);
|
|
if (foldLine) {
|
|
foldLine.shiftRow(len);
|
|
foldLine.addRemoveChars(lastRow, 0, end.column - start.column);
|
|
}
|
|
} else
|
|
// Infront of the foldLine but same row. Need to shift column.
|
|
if (cmp == -1) {
|
|
foldLine.addRemoveChars(firstRow, 0, end.column - start.column);
|
|
foldLine.shiftRow(len);
|
|
}
|
|
// Nothing to do if the insert is after the foldLine.
|
|
idx = foldLines.indexOf(foldLine) + 1;
|
|
}
|
|
|
|
for (idx; idx < foldLines.length; idx++) {
|
|
var foldLine = foldLines[idx];
|
|
if (foldLine.start.row >= firstRow) {
|
|
foldLine.shiftRow(len);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// Realign folds. E.g. if you add some new chars before a fold, the
|
|
// fold should "move" to the right.
|
|
len = Math.abs(delta.start.column - delta.end.column);
|
|
if (action === "remove") {
|
|
// Get all the folds in the change range and remove them.
|
|
removedFolds = this.getFoldsInRange(delta);
|
|
this.removeFolds(removedFolds);
|
|
|
|
len = -len;
|
|
}
|
|
var foldLine = this.getFoldLine(firstRow);
|
|
if (foldLine) {
|
|
foldLine.addRemoveChars(firstRow, start.column, len);
|
|
}
|
|
}
|
|
|
|
if (useWrapMode && this.$wrapData.length != this.doc.getLength()) {
|
|
console.error("doc.getLength() and $wrapData.length have to be the same!");
|
|
}
|
|
this.$updating = false;
|
|
|
|
if (useWrapMode)
|
|
this.$updateWrapData(firstRow, lastRow);
|
|
else
|
|
this.$updateRowLengthCache(firstRow, lastRow);
|
|
|
|
return removedFolds;
|
|
};
|
|
|
|
this.$updateRowLengthCache = function(firstRow, lastRow, b) {
|
|
this.$rowLengthCache[firstRow] = null;
|
|
this.$rowLengthCache[lastRow] = null;
|
|
};
|
|
|
|
this.$updateWrapData = function(firstRow, lastRow) {
|
|
var lines = this.doc.getAllLines();
|
|
var tabSize = this.getTabSize();
|
|
var wrapData = this.$wrapData;
|
|
var wrapLimit = this.$wrapLimit;
|
|
var tokens;
|
|
var foldLine;
|
|
|
|
var row = firstRow;
|
|
lastRow = Math.min(lastRow, lines.length - 1);
|
|
while (row <= lastRow) {
|
|
foldLine = this.getFoldLine(row, foldLine);
|
|
if (!foldLine) {
|
|
tokens = this.$getDisplayTokens(lines[row]);
|
|
wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
|
|
row ++;
|
|
} else {
|
|
tokens = [];
|
|
foldLine.walk(function(placeholder, row, column, lastColumn) {
|
|
var walkTokens;
|
|
if (placeholder != null) {
|
|
walkTokens = this.$getDisplayTokens(
|
|
placeholder, tokens.length);
|
|
walkTokens[0] = PLACEHOLDER_START;
|
|
for (var i = 1; i < walkTokens.length; i++) {
|
|
walkTokens[i] = PLACEHOLDER_BODY;
|
|
}
|
|
} else {
|
|
walkTokens = this.$getDisplayTokens(
|
|
lines[row].substring(lastColumn, column),
|
|
tokens.length);
|
|
}
|
|
tokens = tokens.concat(walkTokens);
|
|
}.bind(this),
|
|
foldLine.end.row,
|
|
lines[foldLine.end.row].length + 1
|
|
);
|
|
|
|
wrapData[foldLine.start.row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
|
|
row = foldLine.end.row + 1;
|
|
}
|
|
}
|
|
};
|
|
|
|
// "Tokens"
|
|
var CHAR = 1,
|
|
CHAR_EXT = 2,
|
|
PLACEHOLDER_START = 3,
|
|
PLACEHOLDER_BODY = 4,
|
|
PUNCTUATION = 9,
|
|
SPACE = 10,
|
|
TAB = 11,
|
|
TAB_SPACE = 12;
|
|
|
|
|
|
this.$computeWrapSplits = function(tokens, wrapLimit, tabSize) {
|
|
if (tokens.length == 0) {
|
|
return [];
|
|
}
|
|
|
|
var splits = [];
|
|
var displayLength = tokens.length;
|
|
var lastSplit = 0, lastDocSplit = 0;
|
|
|
|
var isCode = this.$wrapAsCode;
|
|
|
|
var indentedSoftWrap = this.$indentedSoftWrap;
|
|
var maxIndent = wrapLimit <= Math.max(2 * tabSize, 8)
|
|
|| indentedSoftWrap === false ? 0 : Math.floor(wrapLimit / 2);
|
|
|
|
function getWrapIndent() {
|
|
var indentation = 0;
|
|
if (maxIndent === 0)
|
|
return indentation;
|
|
if (indentedSoftWrap) {
|
|
for (var i = 0; i < tokens.length; i++) {
|
|
var token = tokens[i];
|
|
if (token == SPACE)
|
|
indentation += 1;
|
|
else if (token == TAB)
|
|
indentation += tabSize;
|
|
else if (token == TAB_SPACE)
|
|
continue;
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
if (isCode && indentedSoftWrap !== false)
|
|
indentation += tabSize;
|
|
return Math.min(indentation, maxIndent);
|
|
}
|
|
function addSplit(screenPos) {
|
|
// The document size is the current size - the extra width for tabs
|
|
// and multipleWidth characters.
|
|
var len = screenPos - lastSplit;
|
|
for (var i = lastSplit; i < screenPos; i++) {
|
|
var ch = tokens[i];
|
|
if (ch === 12 || ch === 2) len -= 1;
|
|
}
|
|
|
|
if (!splits.length) {
|
|
indent = getWrapIndent();
|
|
splits.indent = indent;
|
|
}
|
|
lastDocSplit += len;
|
|
splits.push(lastDocSplit);
|
|
lastSplit = screenPos;
|
|
}
|
|
var indent = 0;
|
|
while (displayLength - lastSplit > wrapLimit - indent) {
|
|
// This is, where the split should be.
|
|
var split = lastSplit + wrapLimit - indent;
|
|
|
|
// If there is a space or tab at this split position, then making
|
|
// a split is simple.
|
|
if (tokens[split - 1] >= SPACE && tokens[split] >= SPACE) {
|
|
/* disabled see https://github.com/ajaxorg/ace/issues/1186
|
|
// Include all following spaces + tabs in this split as well.
|
|
while (tokens[split] >= SPACE) {
|
|
split ++;
|
|
} */
|
|
addSplit(split);
|
|
continue;
|
|
}
|
|
|
|
// === ELSE ===
|
|
// Check if split is inside of a placeholder. Placeholder are
|
|
// not splitable. Therefore, seek the beginning of the placeholder
|
|
// and try to place the split before the placeholder's start.
|
|
if (tokens[split] == PLACEHOLDER_START || tokens[split] == PLACEHOLDER_BODY) {
|
|
// Seek the start of the placeholder and do the split
|
|
// before the placeholder. By definition there always
|
|
// a PLACEHOLDER_START between split and lastSplit.
|
|
for (split; split != lastSplit - 1; split--) {
|
|
if (tokens[split] == PLACEHOLDER_START) {
|
|
// split++; << No incremental here as we want to
|
|
// have the position before the Placeholder.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If the PLACEHOLDER_START is not the index of the
|
|
// last split, then we can do the split
|
|
if (split > lastSplit) {
|
|
addSplit(split);
|
|
continue;
|
|
}
|
|
|
|
// If the PLACEHOLDER_START IS the index of the last
|
|
// split, then we have to place the split after the
|
|
// placeholder. So, let's seek for the end of the placeholder.
|
|
split = lastSplit + wrapLimit;
|
|
for (split; split < tokens.length; split++) {
|
|
if (tokens[split] != PLACEHOLDER_BODY) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
// If spilt == tokens.length, then the placeholder is the last
|
|
// thing in the line and adding a new split doesn't make sense.
|
|
if (split == tokens.length) {
|
|
break; // Breaks the while-loop.
|
|
}
|
|
|
|
// Finally, add the split...
|
|
addSplit(split);
|
|
continue;
|
|
}
|
|
|
|
// === ELSE ===
|
|
// Search for the first non space/tab/placeholder/punctuation token backwards.
|
|
var minSplit = Math.max(split - (wrapLimit -(wrapLimit>>2)), lastSplit - 1);
|
|
while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
|
|
split --;
|
|
}
|
|
if (isCode) {
|
|
while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
|
|
split --;
|
|
}
|
|
while (split > minSplit && tokens[split] == PUNCTUATION) {
|
|
split --;
|
|
}
|
|
} else {
|
|
while (split > minSplit && tokens[split] < SPACE) {
|
|
split --;
|
|
}
|
|
}
|
|
// If we found one, then add the split.
|
|
if (split > minSplit) {
|
|
addSplit(++split);
|
|
continue;
|
|
}
|
|
|
|
// === ELSE ===
|
|
split = lastSplit + wrapLimit;
|
|
// The split is inside of a CHAR or CHAR_EXT token and no space
|
|
// around -> force a split.
|
|
if (tokens[split] == CHAR_EXT)
|
|
split--;
|
|
addSplit(split - indent);
|
|
}
|
|
return splits;
|
|
};
|
|
|
|
/**
|
|
* Given a string, returns an array of the display characters, including tabs and spaces.
|
|
* @param {String} str The string to check
|
|
* @param {Number} offset The value to start at
|
|
*
|
|
**/
|
|
this.$getDisplayTokens = function(str, offset) {
|
|
var arr = [];
|
|
var tabSize;
|
|
offset = offset || 0;
|
|
|
|
for (var i = 0; i < str.length; i++) {
|
|
var c = str.charCodeAt(i);
|
|
// Tab
|
|
if (c == 9) {
|
|
tabSize = this.getScreenTabSize(arr.length + offset);
|
|
arr.push(TAB);
|
|
for (var n = 1; n < tabSize; n++) {
|
|
arr.push(TAB_SPACE);
|
|
}
|
|
}
|
|
// Space
|
|
else if (c == 32) {
|
|
arr.push(SPACE);
|
|
} else if((c > 39 && c < 48) || (c > 57 && c < 64)) {
|
|
arr.push(PUNCTUATION);
|
|
}
|
|
// full width characters
|
|
else if (c >= 0x1100 && isFullWidth(c)) {
|
|
arr.push(CHAR, CHAR_EXT);
|
|
} else {
|
|
arr.push(CHAR);
|
|
}
|
|
}
|
|
return arr;
|
|
};
|
|
|
|
/**
|
|
* Calculates the width of the string `str` on the screen while assuming that the string starts at the first column on the screen.
|
|
* @param {String} str The string to calculate the screen width of
|
|
* @param {Number} maxScreenColumn
|
|
* @param {Number} screenColumn
|
|
* @returns {[Number]} Returns an `int[]` array with two elements:<br/>
|
|
* The first position indicates the number of columns for `str` on screen.<br/>
|
|
* The second value contains the position of the document column that this function read until.
|
|
*
|
|
**/
|
|
this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
|
|
if (maxScreenColumn == 0)
|
|
return [0, 0];
|
|
if (maxScreenColumn == null)
|
|
maxScreenColumn = Infinity;
|
|
screenColumn = screenColumn || 0;
|
|
|
|
var c, column;
|
|
for (column = 0; column < str.length; column++) {
|
|
c = str.charCodeAt(column);
|
|
// tab
|
|
if (c == 9) {
|
|
screenColumn += this.getScreenTabSize(screenColumn);
|
|
}
|
|
// full width characters
|
|
else if (c >= 0x1100 && isFullWidth(c)) {
|
|
screenColumn += 2;
|
|
} else {
|
|
screenColumn += 1;
|
|
}
|
|
if (screenColumn > maxScreenColumn) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return [screenColumn, column];
|
|
};
|
|
|
|
this.lineWidgets = null;
|
|
/**
|
|
* Returns number of screenrows in a wrapped line.
|
|
* @param {Number} row The row number to check
|
|
*
|
|
* @returns {Number}
|
|
**/
|
|
this.getRowLength = function(row) {
|
|
if (this.lineWidgets)
|
|
var h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
|
|
else
|
|
h = 0;
|
|
if (!this.$useWrapMode || !this.$wrapData[row]) {
|
|
return 1 + h;
|
|
} else {
|
|
return this.$wrapData[row].length + 1 + h;
|
|
}
|
|
};
|
|
this.getRowLineCount = function(row) {
|
|
if (!this.$useWrapMode || !this.$wrapData[row]) {
|
|
return 1;
|
|
} else {
|
|
return this.$wrapData[row].length + 1;
|
|
}
|
|
};
|
|
|
|
this.getRowWrapIndent = function(screenRow) {
|
|
if (this.$useWrapMode) {
|
|
var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
|
|
var splits = this.$wrapData[pos.row];
|
|
return splits.length && splits[0] < pos.column ? splits.indent : 0;
|
|
} else {
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Returns the position (on screen) for the last character in the provided screen row.
|
|
* @param {Number} screenRow The screen row to check
|
|
* @returns {Number}
|
|
*
|
|
* @related EditSession.documentToScreenColumn
|
|
**/
|
|
this.getScreenLastRowColumn = function(screenRow) {
|
|
var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
|
|
return this.documentToScreenColumn(pos.row, pos.column);
|
|
};
|
|
|
|
/**
|
|
* For the given document row and column, this returns the column position of the last screen row.
|
|
* @param {Number} docRow
|
|
*
|
|
* @param {Number} docColumn
|
|
**/
|
|
this.getDocumentLastRowColumn = function(docRow, docColumn) {
|
|
var screenRow = this.documentToScreenRow(docRow, docColumn);
|
|
return this.getScreenLastRowColumn(screenRow);
|
|
};
|
|
|
|
/**
|
|
* For the given document row and column, this returns the document position of the last row.
|
|
* @param {Number} docRow
|
|
* @param {Number} docColumn
|
|
*
|
|
**/
|
|
this.getDocumentLastRowColumnPosition = function(docRow, docColumn) {
|
|
var screenRow = this.documentToScreenRow(docRow, docColumn);
|
|
return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);
|
|
};
|
|
|
|
/**
|
|
* For the given row, this returns the split data.
|
|
* @returns {String}
|
|
**/
|
|
this.getRowSplitData = function(row) {
|
|
if (!this.$useWrapMode) {
|
|
return undefined;
|
|
} else {
|
|
return this.$wrapData[row];
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The distance to the next tab stop at the specified screen column.
|
|
* @param {Number} screenColumn The screen column to check
|
|
*
|
|
* @returns {Number}
|
|
**/
|
|
this.getScreenTabSize = function(screenColumn) {
|
|
return this.$tabSize - screenColumn % this.$tabSize;
|
|
};
|
|
|
|
|
|
this.screenToDocumentRow = function(screenRow, screenColumn) {
|
|
return this.screenToDocumentPosition(screenRow, screenColumn).row;
|
|
};
|
|
|
|
|
|
this.screenToDocumentColumn = function(screenRow, screenColumn) {
|
|
return this.screenToDocumentPosition(screenRow, screenColumn).column;
|
|
};
|
|
|
|
/**
|
|
* Converts characters coordinates on the screen to characters coordinates within the document. [This takes into account code folding, word wrap, tab size, and any other visual modifications.]{: #conversionConsiderations}
|
|
* @param {Number} screenRow The screen row to check
|
|
* @param {Number} screenColumn The screen column to check
|
|
* @param {int} screen character x-offset [optional]
|
|
*
|
|
* @returns {Object} The object returned has two properties: `row` and `column`.
|
|
*
|
|
* @related EditSession.documentToScreenPosition
|
|
**/
|
|
this.screenToDocumentPosition = function(screenRow, screenColumn, offsetX) {
|
|
if (screenRow < 0)
|
|
return {row: 0, column: 0};
|
|
|
|
var line;
|
|
var docRow = 0;
|
|
var docColumn = 0;
|
|
var column;
|
|
var row = 0;
|
|
var rowLength = 0;
|
|
|
|
var rowCache = this.$screenRowCache;
|
|
var i = this.$getRowCacheIndex(rowCache, screenRow);
|
|
var l = rowCache.length;
|
|
if (l && i >= 0) {
|
|
var row = rowCache[i];
|
|
var docRow = this.$docRowCache[i];
|
|
var doCache = screenRow > rowCache[l - 1];
|
|
} else {
|
|
var doCache = !l;
|
|
}
|
|
|
|
var maxRow = this.getLength() - 1;
|
|
var foldLine = this.getNextFoldLine(docRow);
|
|
var foldStart = foldLine ? foldLine.start.row : Infinity;
|
|
|
|
while (row <= screenRow) {
|
|
rowLength = this.getRowLength(docRow);
|
|
if (row + rowLength > screenRow || docRow >= maxRow) {
|
|
break;
|
|
} else {
|
|
row += rowLength;
|
|
docRow++;
|
|
if (docRow > foldStart) {
|
|
docRow = foldLine.end.row+1;
|
|
foldLine = this.getNextFoldLine(docRow, foldLine);
|
|
foldStart = foldLine ? foldLine.start.row : Infinity;
|
|
}
|
|
}
|
|
|
|
if (doCache) {
|
|
this.$docRowCache.push(docRow);
|
|
this.$screenRowCache.push(row);
|
|
}
|
|
}
|
|
|
|
if (foldLine && foldLine.start.row <= docRow) {
|
|
line = this.getFoldDisplayLine(foldLine);
|
|
docRow = foldLine.start.row;
|
|
} else if (row + rowLength <= screenRow || docRow > maxRow) {
|
|
// clip at the end of the document
|
|
return {
|
|
row: maxRow,
|
|
column: this.getLine(maxRow).length
|
|
};
|
|
} else {
|
|
line = this.getLine(docRow);
|
|
foldLine = null;
|
|
}
|
|
var wrapIndent = 0, splitIndex = Math.floor(screenRow - row);
|
|
if (this.$useWrapMode) {
|
|
var splits = this.$wrapData[docRow];
|
|
if (splits) {
|
|
column = splits[splitIndex];
|
|
if(splitIndex > 0 && splits.length) {
|
|
wrapIndent = splits.indent;
|
|
docColumn = splits[splitIndex - 1] || splits[splits.length - 1];
|
|
line = line.substring(docColumn);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (offsetX !== undefined && this.$bidiHandler.isBidiRow(row + splitIndex, docRow, splitIndex))
|
|
screenColumn = this.$bidiHandler.offsetToCol(offsetX);
|
|
|
|
docColumn += this.$getStringScreenWidth(line, screenColumn - wrapIndent)[1];
|
|
|
|
// We remove one character at the end so that the docColumn
|
|
// position returned is not associated to the next row on the screen.
|
|
if (this.$useWrapMode && docColumn >= column)
|
|
docColumn = column - 1;
|
|
|
|
if (foldLine)
|
|
return foldLine.idxToPosition(docColumn);
|
|
|
|
return {row: docRow, column: docColumn};
|
|
};
|
|
|
|
/**
|
|
* Converts document coordinates to screen coordinates. {:conversionConsiderations}
|
|
* @param {Number} docRow The document row to check
|
|
* @param {Number} docColumn The document column to check
|
|
* @returns {Object} The object returned by this method has two properties: `row` and `column`.
|
|
*
|
|
* @related EditSession.screenToDocumentPosition
|
|
**/
|
|
this.documentToScreenPosition = function(docRow, docColumn) {
|
|
// Normalize the passed in arguments.
|
|
if (typeof docColumn === "undefined")
|
|
var pos = this.$clipPositionToDocument(docRow.row, docRow.column);
|
|
else
|
|
pos = this.$clipPositionToDocument(docRow, docColumn);
|
|
|
|
docRow = pos.row;
|
|
docColumn = pos.column;
|
|
|
|
var screenRow = 0;
|
|
var foldStartRow = null;
|
|
var fold = null;
|
|
|
|
// Clamp the docRow position in case it's inside of a folded block.
|
|
fold = this.getFoldAt(docRow, docColumn, 1);
|
|
if (fold) {
|
|
docRow = fold.start.row;
|
|
docColumn = fold.start.column;
|
|
}
|
|
|
|
var rowEnd, row = 0;
|
|
|
|
|
|
var rowCache = this.$docRowCache;
|
|
var i = this.$getRowCacheIndex(rowCache, docRow);
|
|
var l = rowCache.length;
|
|
if (l && i >= 0) {
|
|
var row = rowCache[i];
|
|
var screenRow = this.$screenRowCache[i];
|
|
var doCache = docRow > rowCache[l - 1];
|
|
} else {
|
|
var doCache = !l;
|
|
}
|
|
|
|
var foldLine = this.getNextFoldLine(row);
|
|
var foldStart = foldLine ?foldLine.start.row :Infinity;
|
|
|
|
while (row < docRow) {
|
|
if (row >= foldStart) {
|
|
rowEnd = foldLine.end.row + 1;
|
|
if (rowEnd > docRow)
|
|
break;
|
|
foldLine = this.getNextFoldLine(rowEnd, foldLine);
|
|
foldStart = foldLine ?foldLine.start.row :Infinity;
|
|
}
|
|
else {
|
|
rowEnd = row + 1;
|
|
}
|
|
|
|
screenRow += this.getRowLength(row);
|
|
row = rowEnd;
|
|
|
|
if (doCache) {
|
|
this.$docRowCache.push(row);
|
|
this.$screenRowCache.push(screenRow);
|
|
}
|
|
}
|
|
|
|
// Calculate the text line that is displayed in docRow on the screen.
|
|
var textLine = "";
|
|
// Check if the final row we want to reach is inside of a fold.
|
|
if (foldLine && row >= foldStart) {
|
|
textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);
|
|
foldStartRow = foldLine.start.row;
|
|
} else {
|
|
textLine = this.getLine(docRow).substring(0, docColumn);
|
|
foldStartRow = docRow;
|
|
}
|
|
var wrapIndent = 0;
|
|
// Clamp textLine if in wrapMode.
|
|
if (this.$useWrapMode) {
|
|
var wrapRow = this.$wrapData[foldStartRow];
|
|
if (wrapRow) {
|
|
var screenRowOffset = 0;
|
|
while (textLine.length >= wrapRow[screenRowOffset]) {
|
|
screenRow ++;
|
|
screenRowOffset++;
|
|
}
|
|
textLine = textLine.substring(
|
|
wrapRow[screenRowOffset - 1] || 0, textLine.length
|
|
);
|
|
wrapIndent = screenRowOffset > 0 ? wrapRow.indent : 0;
|
|
}
|
|
}
|
|
|
|
return {
|
|
row: screenRow,
|
|
column: wrapIndent + this.$getStringScreenWidth(textLine)[0]
|
|
};
|
|
};
|
|
|
|
/**
|
|
* For the given document row and column, returns the screen column.
|
|
* @param {Number} row
|
|
* @param {Number} docColumn
|
|
* @returns {Number}
|
|
*
|
|
**/
|
|
this.documentToScreenColumn = function(row, docColumn) {
|
|
return this.documentToScreenPosition(row, docColumn).column;
|
|
};
|
|
|
|
/**
|
|
* For the given document row and column, returns the screen row.
|
|
* @param {Number} docRow
|
|
* @param {Number} docColumn
|
|
*
|
|
**/
|
|
this.documentToScreenRow = function(docRow, docColumn) {
|
|
return this.documentToScreenPosition(docRow, docColumn).row;
|
|
};
|
|
|
|
/**
|
|
* Returns the length of the screen.
|
|
* @returns {Number}
|
|
**/
|
|
this.getScreenLength = function() {
|
|
var screenRows = 0;
|
|
var fold = null;
|
|
if (!this.$useWrapMode) {
|
|
screenRows = this.getLength();
|
|
|
|
// Remove the folded lines again.
|
|
var foldData = this.$foldData;
|
|
for (var i = 0; i < foldData.length; i++) {
|
|
fold = foldData[i];
|
|
screenRows -= fold.end.row - fold.start.row;
|
|
}
|
|
} else {
|
|
var lastRow = this.$wrapData.length;
|
|
var row = 0, i = 0;
|
|
var fold = this.$foldData[i++];
|
|
var foldStart = fold ? fold.start.row :Infinity;
|
|
|
|
while (row < lastRow) {
|
|
var splits = this.$wrapData[row];
|
|
screenRows += splits ? splits.length + 1 : 1;
|
|
row ++;
|
|
if (row > foldStart) {
|
|
row = fold.end.row+1;
|
|
fold = this.$foldData[i++];
|
|
foldStart = fold ?fold.start.row :Infinity;
|
|
}
|
|
}
|
|
}
|
|
|
|
// todo
|
|
if (this.lineWidgets)
|
|
screenRows += this.$getWidgetScreenLength();
|
|
|
|
return screenRows;
|
|
};
|
|
|
|
/**
|
|
* @private
|
|
*
|
|
*/
|
|
this.$setFontMetrics = function(fm) {
|
|
if (!this.$enableVarChar) return;
|
|
this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
|
|
if (maxScreenColumn === 0)
|
|
return [0, 0];
|
|
if (!maxScreenColumn)
|
|
maxScreenColumn = Infinity;
|
|
screenColumn = screenColumn || 0;
|
|
|
|
var c, column;
|
|
for (column = 0; column < str.length; column++) {
|
|
c = str.charAt(column);
|
|
// tab
|
|
if (c === "\t") {
|
|
screenColumn += this.getScreenTabSize(screenColumn);
|
|
} else {
|
|
screenColumn += fm.getCharacterWidth(c);
|
|
}
|
|
if (screenColumn > maxScreenColumn) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return [screenColumn, column];
|
|
};
|
|
};
|
|
|
|
this.destroy = function() {
|
|
if (this.bgTokenizer) {
|
|
this.bgTokenizer.setDocument(null);
|
|
this.bgTokenizer = null;
|
|
}
|
|
this.$stopWorker();
|
|
};
|
|
|
|
this.isFullWidth = isFullWidth;
|
|
|
|
// For every keystroke this gets called once per char in the whole doc!!
|
|
// Wouldn't hurt to make it a bit faster for c >= 0x1100
|
|
function isFullWidth(c) {
|
|
if (c < 0x1100)
|
|
return false;
|
|
return c >= 0x1100 && c <= 0x115F ||
|
|
c >= 0x11A3 && c <= 0x11A7 ||
|
|
c >= 0x11FA && c <= 0x11FF ||
|
|
c >= 0x2329 && c <= 0x232A ||
|
|
c >= 0x2E80 && c <= 0x2E99 ||
|
|
c >= 0x2E9B && c <= 0x2EF3 ||
|
|
c >= 0x2F00 && c <= 0x2FD5 ||
|
|
c >= 0x2FF0 && c <= 0x2FFB ||
|
|
c >= 0x3000 && c <= 0x303E ||
|
|
c >= 0x3041 && c <= 0x3096 ||
|
|
c >= 0x3099 && c <= 0x30FF ||
|
|
c >= 0x3105 && c <= 0x312D ||
|
|
c >= 0x3131 && c <= 0x318E ||
|
|
c >= 0x3190 && c <= 0x31BA ||
|
|
c >= 0x31C0 && c <= 0x31E3 ||
|
|
c >= 0x31F0 && c <= 0x321E ||
|
|
c >= 0x3220 && c <= 0x3247 ||
|
|
c >= 0x3250 && c <= 0x32FE ||
|
|
c >= 0x3300 && c <= 0x4DBF ||
|
|
c >= 0x4E00 && c <= 0xA48C ||
|
|
c >= 0xA490 && c <= 0xA4C6 ||
|
|
c >= 0xA960 && c <= 0xA97C ||
|
|
c >= 0xAC00 && c <= 0xD7A3 ||
|
|
c >= 0xD7B0 && c <= 0xD7C6 ||
|
|
c >= 0xD7CB && c <= 0xD7FB ||
|
|
c >= 0xF900 && c <= 0xFAFF ||
|
|
c >= 0xFE10 && c <= 0xFE19 ||
|
|
c >= 0xFE30 && c <= 0xFE52 ||
|
|
c >= 0xFE54 && c <= 0xFE66 ||
|
|
c >= 0xFE68 && c <= 0xFE6B ||
|
|
c >= 0xFF01 && c <= 0xFF60 ||
|
|
c >= 0xFFE0 && c <= 0xFFE6;
|
|
}
|
|
|
|
}).call(EditSession.prototype);
|
|
|
|
require("./edit_session/folding").Folding.call(EditSession.prototype);
|
|
require("./edit_session/bracket_match").BracketMatch.call(EditSession.prototype);
|
|
|
|
|
|
config.defineOptions(EditSession.prototype, "session", {
|
|
wrap: {
|
|
set: function(value) {
|
|
if (!value || value == "off")
|
|
value = false;
|
|
else if (value == "free")
|
|
value = true;
|
|
else if (value == "printMargin")
|
|
value = -1;
|
|
else if (typeof value == "string")
|
|
value = parseInt(value, 10) || false;
|
|
|
|
if (this.$wrap == value)
|
|
return;
|
|
this.$wrap = value;
|
|
if (!value) {
|
|
this.setUseWrapMode(false);
|
|
} else {
|
|
var col = typeof value == "number" ? value : null;
|
|
this.setWrapLimitRange(col, col);
|
|
this.setUseWrapMode(true);
|
|
}
|
|
},
|
|
get: function() {
|
|
if (this.getUseWrapMode()) {
|
|
if (this.$wrap == -1)
|
|
return "printMargin";
|
|
if (!this.getWrapLimitRange().min)
|
|
return "free";
|
|
return this.$wrap;
|
|
}
|
|
return "off";
|
|
},
|
|
handlesSet: true
|
|
},
|
|
wrapMethod: {
|
|
// code|text|auto
|
|
set: function(val) {
|
|
val = val == "auto"
|
|
? this.$mode.type != "text"
|
|
: val != "text";
|
|
if (val != this.$wrapAsCode) {
|
|
this.$wrapAsCode = val;
|
|
if (this.$useWrapMode) {
|
|
this.$useWrapMode = false;
|
|
this.setUseWrapMode(true);
|
|
}
|
|
}
|
|
},
|
|
initialValue: "auto"
|
|
},
|
|
indentedSoftWrap: {
|
|
set: function() {
|
|
if (this.$useWrapMode) {
|
|
this.$useWrapMode = false;
|
|
this.setUseWrapMode(true);
|
|
}
|
|
},
|
|
initialValue: true
|
|
},
|
|
firstLineNumber: {
|
|
set: function() {this._signal("changeBreakpoint");},
|
|
initialValue: 1
|
|
},
|
|
useWorker: {
|
|
set: function(useWorker) {
|
|
this.$useWorker = useWorker;
|
|
|
|
this.$stopWorker();
|
|
if (useWorker)
|
|
this.$startWorker();
|
|
},
|
|
initialValue: true
|
|
},
|
|
useSoftTabs: {initialValue: true},
|
|
tabSize: {
|
|
set: function(tabSize) {
|
|
tabSize = parseInt(tabSize);
|
|
if (isNaN(tabSize) || this.$tabSize === tabSize) return;
|
|
|
|
this.$modified = true;
|
|
this.$rowLengthCache = [];
|
|
this.$tabSize = tabSize;
|
|
this._signal("changeTabSize");
|
|
},
|
|
initialValue: 4,
|
|
handlesSet: true
|
|
},
|
|
navigateWithinSoftTabs: {initialValue: false},
|
|
foldStyle: {
|
|
set: function(val) {this.setFoldStyle(val);},
|
|
handlesSet: true
|
|
},
|
|
overwrite: {
|
|
set: function(val) {this._signal("changeOverwrite");},
|
|
initialValue: false
|
|
},
|
|
newLineMode: {
|
|
set: function(val) {this.doc.setNewLineMode(val);},
|
|
get: function() {return this.doc.getNewLineMode();},
|
|
handlesSet: true
|
|
},
|
|
mode: {
|
|
set: function(val) { this.setMode(val); },
|
|
get: function() { return this.$modeId; },
|
|
handlesSet: true
|
|
}
|
|
});
|
|
|
|
exports.EditSession = EditSession;
|
|
});
|