overleaf/services/web/public/js/ace/mouse/mouse_event.js
2014-02-12 10:23:40 +00:00

129 lines
4.2 KiB
JavaScript
Executable file

/* ***** 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");
/*
* Custom Ace mouse event
*/
var MouseEvent = exports.MouseEvent = function(domEvent, editor) {
this.domEvent = domEvent;
this.editor = editor;
this.x = this.clientX = domEvent.clientX;
this.y = this.clientY = domEvent.clientY;
this.$pos = null;
this.$inSelection = null;
this.propagationStopped = false;
this.defaultPrevented = false;
};
(function() {
this.stopPropagation = function() {
event.stopPropagation(this.domEvent);
this.propagationStopped = true;
};
this.preventDefault = function() {
event.preventDefault(this.domEvent);
this.defaultPrevented = true;
};
this.stop = function() {
this.stopPropagation();
this.preventDefault();
};
/*
* Get the document position below the mouse cursor
*
* @return {Object} 'row' and 'column' of the document position
*/
this.getDocumentPosition = function() {
if (this.$pos)
return this.$pos;
this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);
return this.$pos;
};
/*
* Check if the mouse cursor is inside of the text selection
*
* @return {Boolean} whether the mouse cursor is inside of the selection
*/
this.inSelection = function() {
if (this.$inSelection !== null)
return this.$inSelection;
var editor = this.editor;
var selectionRange = editor.getSelectionRange();
if (selectionRange.isEmpty())
this.$inSelection = false;
else {
var pos = this.getDocumentPosition();
this.$inSelection = selectionRange.contains(pos.row, pos.column);
}
return this.$inSelection;
};
/*
* Get the clicked mouse button
*
* @return {Number} 0 for left button, 1 for middle button, 2 for right button
*/
this.getButton = function() {
return event.getButton(this.domEvent);
};
/*
* @return {Boolean} whether the shift key was pressed when the event was emitted
*/
this.getShiftKey = function() {
return this.domEvent.shiftKey;
};
this.getAccelKey = useragent.isMac
? function() { return this.domEvent.metaKey; }
: function() { return this.domEvent.ctrlKey; };
}).call(MouseEvent.prototype);
});