522 lines
17 KiB
JavaScript
Executable File
522 lines
17 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 event = require("../lib/event");
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var UA = require("../lib/useragent");
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var net = require("../lib/net");
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var ace = require("../ace");
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require("../theme/textmate");
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module.exports = exports = ace;
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/*
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* Returns the CSS property of element.
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* 1) If the CSS property is on the style object of the element, use it, OR
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* 2) Compute the CSS property
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*
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* If the property can't get computed, is 'auto' or 'intrinsic', the former
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* calculated property is used (this can happen in cases where the textarea
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* is hidden and has no dimension styles).
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*/
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var getCSSProperty = function(element, container, property) {
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var ret = element.style[property];
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if (!ret) {
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if (window.getComputedStyle) {
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ret = window.getComputedStyle(element, '').getPropertyValue(property);
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} else {
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ret = element.currentStyle[property];
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}
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}
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if (!ret || ret == 'auto' || ret == 'intrinsic') {
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ret = container.style[property];
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}
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return ret;
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};
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function applyStyles(elm, styles) {
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for (var style in styles) {
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elm.style[style] = styles[style];
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}
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}
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function setupContainer(element, getValue) {
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if (element.type != 'textarea') {
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throw new Error("Textarea required!");
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}
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var parentNode = element.parentNode;
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// This will hold the editor.
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var container = document.createElement('div');
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// To put Ace in the place of the textarea, we have to copy a few of the
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// textarea's style attributes to the div container.
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//
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// The problem is that the properties have to get computed (they might be
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// defined by a CSS file on the page - you can't access such rules that
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// apply to an element via elm.style). Computed properties are converted to
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// pixels although the dimension might be given as percentage. When the
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// window resizes, the dimensions defined by percentages changes, so the
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// properties have to get recomputed to get the new/true pixels.
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var resizeEvent = function() {
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var style = 'position:relative;';
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[
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'margin-top', 'margin-left', 'margin-right', 'margin-bottom'
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].forEach(function(item) {
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style += item + ':' +
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getCSSProperty(element, container, item) + ';';
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});
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// Calculating the width/height of the textarea is somewhat tricky. To
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// do it right, you have to include the paddings to the sides as well
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// (eg. width = width + padding-left, -right). This works well, as
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// long as the width of the element is not set or given in pixels. In
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// this case and after the textarea is hidden, getCSSProperty(element,
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// container, 'width') will still return pixel value. If the element
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// has realtiv dimensions (e.g. width='95<percent>')
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// getCSSProperty(...) will return pixel values only as long as the
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// textarea is visible. After it is hidden getCSSProperty will return
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// the relative dimensions as they are set on the element (in the case
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// of width, 95<percent>).
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// Making the sum of pixel vaules (e.g. padding) and realtive values
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// (e.g. <percent>) is not possible. As such the padding styles are
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// ignored.
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// The complete width is the width of the textarea + the padding
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// to the left and right.
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var width = getCSSProperty(element, container, 'width') || (element.clientWidth + "px");
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var height = getCSSProperty(element, container, 'height') || (element.clientHeight + "px");
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style += 'height:' + height + ';width:' + width + ';';
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// Set the display property to 'inline-block'.
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style += 'display:inline-block;';
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container.setAttribute('style', style);
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};
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event.addListener(window, 'resize', resizeEvent);
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// Call the resizeEvent once, so that the size of the container is
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// calculated.
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resizeEvent();
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// Insert the div container after the element.
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parentNode.insertBefore(container, element.nextSibling);
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// Override the forms onsubmit function. Set the innerHTML and value
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// of the textarea before submitting.
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while (parentNode !== document) {
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if (parentNode.tagName.toUpperCase() === 'FORM') {
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var oldSumit = parentNode.onsubmit;
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// Override the onsubmit function of the form.
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parentNode.onsubmit = function(evt) {
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element.value = getValue();
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// If there is a onsubmit function already, then call
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// it with the current context and pass the event.
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if (oldSumit) {
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oldSumit.call(this, evt);
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}
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};
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break;
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}
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parentNode = parentNode.parentNode;
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}
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return container;
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}
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exports.transformTextarea = function(element, options) {
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var isFocused = element.autofocus || document.activeElement == element;
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var session;
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var container = setupContainer(element, function() {
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return session.getValue();
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});
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// Hide the element.
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element.style.display = 'none';
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container.style.background = 'white';
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//
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var editorDiv = document.createElement("div");
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applyStyles(editorDiv, {
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top: "0px",
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left: "0px",
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right: "0px",
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bottom: "0px",
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border: "1px solid gray",
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position: "absolute"
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});
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container.appendChild(editorDiv);
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var settingOpener = document.createElement("div");
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applyStyles(settingOpener, {
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position: "absolute",
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right: "0px",
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bottom: "0px",
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cursor: "nw-resize",
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border: "solid 9px",
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borderColor: "lightblue gray gray #ceade6",
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zIndex: 101
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});
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var settingDiv = document.createElement("div");
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var settingDivStyles = {
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top: "0px",
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left: "20%",
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right: "0px",
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bottom: "0px",
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position: "absolute",
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padding: "5px",
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zIndex: 100,
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color: "white",
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display: "none",
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overflow: "auto",
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fontSize: "14px",
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boxShadow: "-5px 2px 3px gray"
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};
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if (!UA.isOldIE) {
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settingDivStyles.backgroundColor = "rgba(0, 0, 0, 0.6)";
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} else {
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settingDivStyles.backgroundColor = "#333";
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}
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applyStyles(settingDiv, settingDivStyles);
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container.appendChild(settingDiv);
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options = options || exports.defaultOptions;
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// Power up ace on the textarea:
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var editor = ace.edit(editorDiv);
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session = editor.getSession();
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session.setValue(element.value || element.innerHTML);
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if (isFocused)
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editor.focus();
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// Add the settingPanel opener to the editor's div.
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container.appendChild(settingOpener);
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// Create the API.
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setupApi(editor, editorDiv, settingDiv, ace, options);
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// Create the setting's panel.
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setupSettingPanel(settingDiv, settingOpener, editor);
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var state = "";
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event.addListener(settingOpener, "mousemove", function(e) {
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var rect = this.getBoundingClientRect();
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var x = e.clientX - rect.left, y = e.clientY - rect.top;
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if (x + y < (rect.width + rect.height)/2) {
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this.style.cursor = "pointer";
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state = "toggle";
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} else {
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state = "resize";
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this.style.cursor = "nw-resize";
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}
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});
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event.addListener(settingOpener, "mousedown", function(e) {
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e.preventDefault();
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if (state == "toggle") {
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editor.setDisplaySettings();
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return;
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}
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container.style.zIndex = 100000;
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var rect = container.getBoundingClientRect();
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var startX = rect.width + rect.left - e.clientX;
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var startY = rect.height + rect.top - e.clientY;
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event.capture(settingOpener, function(e) {
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container.style.width = e.clientX - rect.left + startX + "px";
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container.style.height = e.clientY - rect.top + startY + "px";
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editor.resize();
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}, function() {});
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});
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return editor;
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};
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function load(url, module, callback) {
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net.loadScript(url, function() {
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require([module], callback);
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});
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}
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function setupApi(editor, editorDiv, settingDiv, ace, options) {
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var session = editor.getSession();
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var renderer = editor.renderer;
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function toBool(value) {
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return value === "true" || value == true;
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}
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editor.setDisplaySettings = function(display) {
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if (display == null)
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display = settingDiv.style.display == "none";
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if (display) {
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settingDiv.style.display = "block";
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settingDiv.hideButton.focus();
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editor.on("focus", function onFocus() {
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editor.removeListener("focus", onFocus);
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settingDiv.style.display = "none";
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});
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} else {
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editor.focus();
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}
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};
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editor.$setOption = editor.setOption;
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editor.$getOption = editor.getOption;
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editor.setOption = function(key, value) {
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switch (key) {
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case "mode":
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editor.$setOption("mode", "ace/mode/" + value);
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break;
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case "theme":
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editor.$setOption("theme", "ace/theme/" + value);
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break;
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case "keybindings":
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switch (value) {
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case "vim":
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editor.setKeyboardHandler("ace/keyboard/vim");
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break;
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case "emacs":
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editor.setKeyboardHandler("ace/keyboard/emacs");
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break;
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default:
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editor.setKeyboardHandler(null);
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}
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break;
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case "wrap":
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case "fontSize":
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editor.$setOption(key, value);
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break;
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default:
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editor.$setOption(key, toBool(value));
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}
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};
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editor.getOption = function(key) {
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switch (key) {
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case "mode":
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return editor.$getOption("mode").substr("ace/mode/".length);
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break;
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case "theme":
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return editor.$getOption("theme").substr("ace/theme/".length);
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break;
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case "keybindings":
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var value = editor.getKeyboardHandler();
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switch (value && value.$id) {
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case "ace/keyboard/vim":
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return "vim";
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case "ace/keyboard/emacs":
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return "emacs";
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default:
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return "ace";
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}
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break;
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default:
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return editor.$getOption(key);
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}
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};
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editor.setOptions(options);
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return editor;
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}
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function setupSettingPanel(settingDiv, settingOpener, editor) {
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var BOOL = null;
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var desc = {
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mode: "Mode:",
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wrap: "Soft Wrap:",
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theme: "Theme:",
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fontSize: "Font Size:",
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showGutter: "Display Gutter:",
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keybindings: "Keyboard",
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showPrintMargin: "Show Print Margin:",
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useSoftTabs: "Use Soft Tabs:",
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showInvisibles: "Show Invisibles"
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};
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var optionValues = {
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mode: {
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text: "Plain",
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javascript: "JavaScript",
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xml: "XML",
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html: "HTML",
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css: "CSS",
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scss: "SCSS",
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python: "Python",
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php: "PHP",
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java: "Java",
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ruby: "Ruby",
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c_cpp: "C/C++",
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coffee: "CoffeeScript",
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json: "json",
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perl: "Perl",
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clojure: "Clojure",
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ocaml: "OCaml",
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csharp: "C#",
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haxe: "haXe",
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svg: "SVG",
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textile: "Textile",
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groovy: "Groovy",
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liquid: "Liquid",
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Scala: "Scala"
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},
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theme: {
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clouds: "Clouds",
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clouds_midnight: "Clouds Midnight",
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cobalt: "Cobalt",
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crimson_editor: "Crimson Editor",
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dawn: "Dawn",
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gob: "Green on Black",
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eclipse: "Eclipse",
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idle_fingers: "Idle Fingers",
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kr_theme: "Kr Theme",
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merbivore: "Merbivore",
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merbivore_soft: "Merbivore Soft",
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mono_industrial: "Mono Industrial",
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monokai: "Monokai",
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pastel_on_dark: "Pastel On Dark",
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solarized_dark: "Solarized Dark",
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solarized_light: "Solarized Light",
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textmate: "Textmate",
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twilight: "Twilight",
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vibrant_ink: "Vibrant Ink"
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},
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showGutter: BOOL,
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fontSize: {
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"10px": "10px",
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"11px": "11px",
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"12px": "12px",
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"14px": "14px",
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"16px": "16px"
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},
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wrap: {
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off: "Off",
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40: "40",
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80: "80",
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free: "Free"
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},
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keybindings: {
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ace: "ace",
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vim: "vim",
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emacs: "emacs"
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},
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showPrintMargin: BOOL,
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useSoftTabs: BOOL,
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showInvisibles: BOOL
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};
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var table = [];
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table.push("<table><tr><th>Setting</th><th>Value</th></tr>");
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function renderOption(builder, option, obj, cValue) {
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if (!obj) {
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builder.push(
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"<input type='checkbox' title='", option, "' ",
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cValue + "" == "true" ? "checked='true'" : "",
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"'></input>"
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);
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return;
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}
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builder.push("<select title='" + option + "'>");
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for (var value in obj) {
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builder.push("<option value='" + value + "' ");
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if (cValue == value) {
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builder.push(" selected ");
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}
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builder.push(">",
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obj[value],
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"</option>");
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}
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builder.push("</select>");
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}
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for (var option in exports.defaultOptions) {
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table.push("<tr><td>", desc[option], "</td>");
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table.push("<td>");
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renderOption(table, option, optionValues[option], editor.getOption(option));
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table.push("</td></tr>");
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}
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table.push("</table>");
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settingDiv.innerHTML = table.join("");
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var onChange = function(e) {
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var select = e.currentTarget;
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editor.setOption(select.title, select.value);
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};
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var onClick = function(e) {
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var cb = e.currentTarget;
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editor.setOption(cb.title, cb.checked);
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};
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var selects = settingDiv.getElementsByTagName("select");
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for (var i = 0; i < selects.length; i++)
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selects[i].onchange = onChange;
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var cbs = settingDiv.getElementsByTagName("input");
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for (var i = 0; i < cbs.length; i++)
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cbs[i].onclick = onClick;
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var button = document.createElement("input");
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button.type = "button";
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button.value = "Hide";
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event.addListener(button, "click", function() {
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editor.setDisplaySettings(false);
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});
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settingDiv.appendChild(button);
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settingDiv.hideButton = button;
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}
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// Default startup options.
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exports.defaultOptions = {
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mode: "javascript",
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theme: "textmate",
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wrap: "off",
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fontSize: "12px",
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showGutter: "false",
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keybindings: "ace",
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showPrintMargin: "false",
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useSoftTabs: "true",
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showInvisibles: "false"
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};
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});
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