big-moving.ru/api/soft/ajaxorg/lib/ace/mouse/mouse_handler.js

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2022-06-24 15:29:23 +05:00
/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
define(function(require, exports, module) {
"use strict";
var event = require("../lib/event");
var useragent = require("../lib/useragent");
var DefaultHandlers = require("./default_handlers").DefaultHandlers;
var DefaultGutterHandler = require("./default_gutter_handler").GutterHandler;
var MouseEvent = require("./mouse_event").MouseEvent;
var DragdropHandler = require("./dragdrop_handler").DragdropHandler;
var config = require("../config");
var MouseHandler = function(editor) {
var _self = this;
this.editor = editor;
new DefaultHandlers(this);
new DefaultGutterHandler(this);
new DragdropHandler(this);
var focusEditor = function(e) {
// because we have to call event.preventDefault() any window on ie and iframes
// on other browsers do not get focus, so we have to call window.focus() here
var windowBlurred = !document.hasFocus || !document.hasFocus()
|| !editor.isFocused() && document.activeElement == (editor.textInput && editor.textInput.getElement());
if (windowBlurred)
window.focus();
editor.focus();
};
var mouseTarget = editor.renderer.getMouseEventTarget();
event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"));
event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"));
event.addMultiMouseDownListener([
mouseTarget,
editor.renderer.scrollBarV && editor.renderer.scrollBarV.inner,
editor.renderer.scrollBarH && editor.renderer.scrollBarH.inner,
editor.textInput && editor.textInput.getElement()
].filter(Boolean), [400, 300, 250], this, "onMouseEvent");
event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, "mousewheel"));
event.addTouchMoveListener(editor.container, this.onTouchMove.bind(this, "touchmove"));
var gutterEl = editor.renderer.$gutter;
event.addListener(gutterEl, "mousedown", this.onMouseEvent.bind(this, "guttermousedown"));
event.addListener(gutterEl, "click", this.onMouseEvent.bind(this, "gutterclick"));
event.addListener(gutterEl, "dblclick", this.onMouseEvent.bind(this, "gutterdblclick"));
event.addListener(gutterEl, "mousemove", this.onMouseEvent.bind(this, "guttermousemove"));
event.addListener(mouseTarget, "mousedown", focusEditor);
event.addListener(gutterEl, "mousedown", focusEditor);
if (useragent.isIE && editor.renderer.scrollBarV) {
event.addListener(editor.renderer.scrollBarV.element, "mousedown", focusEditor);
event.addListener(editor.renderer.scrollBarH.element, "mousedown", focusEditor);
}
editor.on("mousemove", function(e){
if (_self.state || _self.$dragDelay || !_self.$dragEnabled)
return;
var character = editor.renderer.screenToTextCoordinates(e.x, e.y);
var range = editor.session.selection.getRange();
var renderer = editor.renderer;
if (!range.isEmpty() && range.insideStart(character.row, character.column)) {
renderer.setCursorStyle("default");
} else {
renderer.setCursorStyle("");
}
});
};
(function() {
this.onMouseEvent = function(name, e) {
this.editor._emit(name, new MouseEvent(e, this.editor));
};
this.onMouseMove = function(name, e) {
// optimization, because mousemove doesn't have a default handler.
var listeners = this.editor._eventRegistry && this.editor._eventRegistry.mousemove;
if (!listeners || !listeners.length)
return;
this.editor._emit(name, new MouseEvent(e, this.editor));
};
this.onMouseWheel = function(name, e) {
var mouseEvent = new MouseEvent(e, this.editor);
mouseEvent.speed = this.$scrollSpeed * 2;
mouseEvent.wheelX = e.wheelX;
mouseEvent.wheelY = e.wheelY;
this.editor._emit(name, mouseEvent);
};
this.onTouchMove = function (name, e) {
var mouseEvent = new MouseEvent(e, this.editor);
mouseEvent.speed = 1;//this.$scrollSpeed * 2;
mouseEvent.wheelX = e.wheelX;
mouseEvent.wheelY = e.wheelY;
this.editor._emit(name, mouseEvent);
};
this.setState = function(state) {
this.state = state;
};
this.captureMouse = function(ev, mouseMoveHandler) {
this.x = ev.x;
this.y = ev.y;
this.isMousePressed = true;
// do not move textarea during selection
var editor = this.editor;
var renderer = this.editor.renderer;
if (renderer.$keepTextAreaAtCursor)
renderer.$keepTextAreaAtCursor = null;
var self = this;
var onMouseMove = function(e) {
if (!e) return;
// if editor is loaded inside iframe, and mouseup event is outside
// we won't recieve it, so we cancel on first mousemove without button
if (useragent.isWebKit && !e.which && self.releaseMouse)
return self.releaseMouse();
self.x = e.clientX;
self.y = e.clientY;
mouseMoveHandler && mouseMoveHandler(e);
self.mouseEvent = new MouseEvent(e, self.editor);
self.$mouseMoved = true;
};
var onCaptureEnd = function(e) {
editor.off("beforeEndOperation", onOperationEnd);
clearInterval(timerId);
onCaptureInterval();
self[self.state + "End"] && self[self.state + "End"](e);
self.state = "";
if (renderer.$keepTextAreaAtCursor == null) {
renderer.$keepTextAreaAtCursor = true;
renderer.$moveTextAreaToCursor();
}
self.isMousePressed = false;
self.$onCaptureMouseMove = self.releaseMouse = null;
e && self.onMouseEvent("mouseup", e);
editor.endOperation();
};
var onCaptureInterval = function() {
self[self.state] && self[self.state]();
self.$mouseMoved = false;
};
if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
return setTimeout(function() {onCaptureEnd(ev);});
}
var onOperationEnd = function(e) {
if (!self.releaseMouse) return;
// some touchpads fire mouseup event after a slight delay,
// which can cause problems if user presses a keyboard shortcut quickly
if (editor.curOp.command.name && editor.curOp.selectionChanged) {
self[self.state + "End"] && self[self.state + "End"]();
self.state = "";
self.releaseMouse();
}
};
editor.on("beforeEndOperation", onOperationEnd);
editor.startOperation({command: {name: "mouse"}});
self.$onCaptureMouseMove = onMouseMove;
self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
var timerId = setInterval(onCaptureInterval, 20);
};
this.releaseMouse = null;
this.cancelContextMenu = function() {
var stop = function(e) {
if (e && e.domEvent && e.domEvent.type != "contextmenu")
return;
this.editor.off("nativecontextmenu", stop);
if (e && e.domEvent)
event.stopEvent(e.domEvent);
}.bind(this);
setTimeout(stop, 10);
this.editor.on("nativecontextmenu", stop);
};
}).call(MouseHandler.prototype);
config.defineOptions(MouseHandler.prototype, "mouseHandler", {
scrollSpeed: {initialValue: 2},
dragDelay: {initialValue: (useragent.isMac ? 150 : 0)},
dragEnabled: {initialValue: true},
focusTimeout: {initialValue: 0},
tooltipFollowsMouse: {initialValue: true}
});
exports.MouseHandler = MouseHandler;
});