      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 Plugin for making iframe based dialogs.
      8  */
      9
     10 CKEDITOR.plugins.add( 'iframedialog',
     11 {
     12 	requires : [ 'dialog' ],
     13 	onLoad : function()
     14 	{
     15 		CKEDITOR.dialog.addIframe = function( name, title, src, width, height, onContentLoad )
     16 		{
     17 			var element =
     18 			{
     19 				type : 'iframe',
     20 				src : src,
     21 				width : '100%',
     22 				height : '100%'
     23 			};
     24
     25 			if ( typeof( onContentLoad ) == 'function' )
     26 				element.onContentLoad = onContentLoad;
     27
     28 			var definition =
     29 			{
     30 				title : title,
     31 				minWidth : width,
     32 				minHeight : height,
     33 				contents :
     34 				[
     35 					{
     36 						id : 'iframe',
     37 						label : title,
     38 						expand : true,
     39 						elements : [ element ]
     40 					}
     41 				]
     42 			};
     43
     44 			return this.add( name, function(){ return definition; } );
     45 		};
     46
     47 		(function()
     48 		{
     49 			/**
     50 			 * An iframe element.
     51 			 * @extends CKEDITOR.ui.dialog.uiElement
     52 			 * @example
     53 			 * @constructor
     54 			 * @param {CKEDITOR.dialog} dialog
     55 			 * Parent dialog object.
     56 			 * @param {CKEDITOR.dialog.uiElementDefinition} elementDefinition
     57 			 * The element definition. Accepted fields:
     58 			 * <ul>
     59 			 * 	<li><strong>src</strong> (Required) The src field of the iframe. </li>
     60 			 * 	<li><strong>width</strong> (Required) The iframe's width.</li>
     61 			 * 	<li><strong>height</strong> (Required) The iframe's height.</li>
     62 			 * 	<li><strong>onContentLoad</strong> (Optional) A function to be executed
     63 			 * 	after the iframe's contents has finished loading.</li>
     64 			 * </ul>
     65 			 * @param {Array} htmlList
     66 			 * List of HTML code to output to.
     67 			 */
     68 			var iframeElement = function( dialog, elementDefinition, htmlList )
     69 			{
     70 				if ( arguments.length < 3 )
     71 					return;
     72
     73 				var _ = ( this._ || ( this._ = {} ) ),
     74 					contentLoad = elementDefinition.onContentLoad && CKEDITOR.tools.bind( elementDefinition.onContentLoad, this ),
     75 					cssWidth = CKEDITOR.tools.cssLength( elementDefinition.width ),
     76 					cssHeight = CKEDITOR.tools.cssLength( elementDefinition.height );
     77 				_.frameId = CKEDITOR.tools.getNextNumber() + '_iframe';
     78
     79 				// IE BUG: Parent container does not resize to contain the iframe automatically.
     80 				dialog.on( 'load', function()
     81 					{
     82 						var iframe = CKEDITOR.document.getById( _.frameId ),
     83 							parentContainer = iframe.getParent();
     84
     85 						parentContainer.setStyles(
     86 							{
     87 								width : cssWidth,
     88 								height : cssHeight
     89 							} );
     90 					} );
     91
     92 				var attributes =
     93 				{
     94 					src : '%2',
     95 					id : _.frameId,
     96 					frameborder : 0,
     97 					allowtransparency : true
     98 				};
     99 				var myHtml = [];
    100
    101 				if ( typeof( elementDefinition.onContentLoad ) == 'function' )
    102 					attributes.onload = 'CKEDITOR.tools.callFunction(%1);';
    103
    104 				CKEDITOR.ui.dialog.uiElement.call( this, dialog, elementDefinition, myHtml, 'iframe',
    105 						{
    106 							width : cssWidth,
    107 							height : cssHeight
    108 						}, attributes, '' );
    109
    110 				// Put a placeholder for the first time.
    111 				htmlList.push( '<div style="width:' + cssWidth + ';height:' + cssHeight + ';" id="' + this.domId + '"></div>' );
    112
    113 				// Iframe elements should be refreshed whenever it is shown.
    114 				myHtml = myHtml.join( '' );
    115 				dialog.on( 'show', function()
    116 					{
    117 						var iframe = CKEDITOR.document.getById( _.frameId ),
    118 							parentContainer = iframe.getParent(),
    119 							callIndex = CKEDITOR.tools.addFunction( contentLoad ),
    120 							html = myHtml.replace( '%1', callIndex ).replace( '%2', CKEDITOR.tools.htmlEncode( elementDefinition.src ) );
    121 						parentContainer.setHtml( html );
    122 					} );
    123 			};
    124
    125 			iframeElement.prototype = new CKEDITOR.ui.dialog.uiElement;
    126
    127 			CKEDITOR.dialog.addUIElement( 'iframe',
    128 				{
    129 					build : function( dialog, elementDefinition, output )
    130 					{
    131 						return new iframeElement( dialog, elementDefinition, output );
    132 					}
    133 				} );
    134 		})();
    135 	}
    136 } );
    137