| 1 | /*
|
|---|
| 2 | Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
|
|---|
| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /**
|
|---|
| 7 | * @fileOverview Defines the {@link CKEDITOR.dom.event} class, which
|
|---|
| 8 | * represents the a native DOM event object.
|
|---|
| 9 | */
|
|---|
| 10 |
|
|---|
| 11 | /**
|
|---|
| 12 | * Represents a native DOM event object.
|
|---|
| 13 | * @constructor
|
|---|
| 14 | * @param {Object} domEvent A native DOM event object.
|
|---|
| 15 | * @example
|
|---|
| 16 | */
|
|---|
| 17 | CKEDITOR.dom.event = function( domEvent )
|
|---|
| 18 | {
|
|---|
| 19 | /**
|
|---|
| 20 | * The native DOM event object represented by this class instance.
|
|---|
| 21 | * @type Object
|
|---|
| 22 | * @example
|
|---|
| 23 | */
|
|---|
| 24 | this.$ = domEvent;
|
|---|
| 25 | };
|
|---|
| 26 |
|
|---|
| 27 | CKEDITOR.dom.event.prototype =
|
|---|
| 28 | {
|
|---|
| 29 | /**
|
|---|
| 30 | * Gets the key code associated to the event.
|
|---|
| 31 | * @returns {Number} The key code.
|
|---|
| 32 | * @example
|
|---|
| 33 | * alert( event.getKey() ); "65" is "a" has been pressed
|
|---|
| 34 | */
|
|---|
| 35 | getKey : function()
|
|---|
| 36 | {
|
|---|
| 37 | return this.$.keyCode || this.$.which;
|
|---|
| 38 | },
|
|---|
| 39 |
|
|---|
| 40 | /**
|
|---|
| 41 | * Gets a number represeting the combination of the keys pressed during the
|
|---|
| 42 | * event. It is the sum with the current key code and the {@link CKEDITOR.CTRL},
|
|---|
| 43 | * {@link CKEDITOR.SHIFT} and {@link CKEDITOR.ALT} constants.
|
|---|
| 44 | * @returns {Number} The number representing the keys combination.
|
|---|
| 45 | * @example
|
|---|
| 46 | * alert( event.getKeystroke() == 65 ); // "a" key
|
|---|
| 47 | * alert( event.getKeystroke() == CKEDITOR.CTRL + 65 ); // CTRL + "a" key
|
|---|
| 48 | * alert( event.getKeystroke() == CKEDITOR.CTRL + CKEDITOR.SHIFT + 65 ); // CTRL + SHIFT + "a" key
|
|---|
| 49 | */
|
|---|
| 50 | getKeystroke : function()
|
|---|
| 51 | {
|
|---|
| 52 | var keystroke = this.getKey();
|
|---|
| 53 |
|
|---|
| 54 | if ( this.$.ctrlKey || this.$.metaKey )
|
|---|
| 55 | keystroke += CKEDITOR.CTRL;
|
|---|
| 56 |
|
|---|
| 57 | if ( this.$.shiftKey )
|
|---|
| 58 | keystroke += CKEDITOR.SHIFT;
|
|---|
| 59 |
|
|---|
| 60 | if ( this.$.altKey )
|
|---|
| 61 | keystroke += CKEDITOR.ALT;
|
|---|
| 62 |
|
|---|
| 63 | return keystroke;
|
|---|
| 64 | },
|
|---|
| 65 |
|
|---|
| 66 | /**
|
|---|
| 67 | * Prevents the original behavior of the event to happen. It can optionally
|
|---|
| 68 | * stop propagating the event in the event chain.
|
|---|
| 69 | * @param {Boolean} [stopPropagation] Stop propagating this event in the
|
|---|
| 70 | * event chain.
|
|---|
| 71 | * @example
|
|---|
| 72 | * var element = CKEDITOR.document.getById( 'myElement' );
|
|---|
| 73 | * element.on( 'click', function( ev )
|
|---|
| 74 | * {
|
|---|
| 75 | * // The DOM event object is passed by the "data" property.
|
|---|
| 76 | * var domEvent = ev.data;
|
|---|
| 77 | * // Prevent the click to chave any effect in the element.
|
|---|
| 78 | * domEvent.preventDefault();
|
|---|
| 79 | * });
|
|---|
| 80 | */
|
|---|
| 81 | preventDefault : function( stopPropagation )
|
|---|
| 82 | {
|
|---|
| 83 | var $ = this.$;
|
|---|
| 84 | if ( $.preventDefault )
|
|---|
| 85 | $.preventDefault();
|
|---|
| 86 | else
|
|---|
| 87 | $.returnValue = false;
|
|---|
| 88 |
|
|---|
| 89 | if ( stopPropagation )
|
|---|
| 90 | this.stopPropagation();
|
|---|
| 91 | },
|
|---|
| 92 |
|
|---|
| 93 | stopPropagation : function()
|
|---|
| 94 | {
|
|---|
| 95 | var $ = this.$;
|
|---|
| 96 | if ( $.stopPropagation )
|
|---|
| 97 | $.stopPropagation();
|
|---|
| 98 | else
|
|---|
| 99 | $.cancelBubble = true;
|
|---|
| 100 | },
|
|---|
| 101 |
|
|---|
| 102 | /**
|
|---|
| 103 | * Returns the DOM node where the event was targeted to.
|
|---|
| 104 | * @returns {CKEDITOR.dom.node} The target DOM node.
|
|---|
| 105 | * @example
|
|---|
| 106 | * var element = CKEDITOR.document.getById( 'myElement' );
|
|---|
| 107 | * element.on( 'click', function( ev )
|
|---|
| 108 | * {
|
|---|
| 109 | * // The DOM event object is passed by the "data" property.
|
|---|
| 110 | * var domEvent = ev.data;
|
|---|
| 111 | * // Add a CSS class to the event target.
|
|---|
| 112 | * domEvent.getTarget().addClass( 'clicked' );
|
|---|
| 113 | * });
|
|---|
| 114 | */
|
|---|
| 115 |
|
|---|
| 116 | getTarget : function()
|
|---|
| 117 | {
|
|---|
| 118 | var rawNode = this.$.target || this.$.srcElement;
|
|---|
| 119 | return rawNode ? new CKEDITOR.dom.node( rawNode ) : null;
|
|---|
| 120 | }
|
|---|
| 121 | };
|
|---|
| 122 |
|
|---|
| 123 | /**
|
|---|
| 124 | * CTRL key (1000).
|
|---|
| 125 | * @constant
|
|---|
| 126 | * @example
|
|---|
| 127 | */
|
|---|
| 128 | CKEDITOR.CTRL = 1000;
|
|---|
| 129 |
|
|---|
| 130 | /**
|
|---|
| 131 | * SHIFT key (2000).
|
|---|
| 132 | * @constant
|
|---|
| 133 | * @example
|
|---|
| 134 | */
|
|---|
| 135 | CKEDITOR.SHIFT = 2000;
|
|---|
| 136 |
|
|---|
| 137 | /**
|
|---|
| 138 | * ALT key (4000).
|
|---|
| 139 | * @constant
|
|---|
| 140 | * @example
|
|---|
| 141 | */
|
|---|
| 142 | CKEDITOR.ALT = 4000;
|
|---|
