library/custom_template/ckeditor/_source/plugins/autogrow/plugin.js

   1 /*
   2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
   3 For licensing, see LICENSE.html or http://ckeditor.com/license
   4 */
   5
   6 /**
   7  * @file AutoGrow plugin
   8  */
   9 (function(){
  10         var resizeEditor = function( editor )
  11         {
  12                 var doc = editor.document,
  13                         currentHeight = editor.window.getViewPaneSize().height,
  14                         newHeight;
  15
  16                 // We can not use documentElement to calculate the height for IE (#6061).
  17                 // It is not good for IE Quirks, yet using offsetHeight would also not work as expected (#6408).
  18                 // We do the same for FF because of the html height workaround (#6341).
  19                 if ( CKEDITOR.env.ie || CKEDITOR.env.gecko )
  20                         newHeight = doc.getBody().$.scrollHeight + ( CKEDITOR.env.ie && CKEDITOR.env.quirks ? 0 : 24 );
  21                 else
  22                         newHeight = doc.getDocumentElement().$.offsetHeight;
  23
  24                 var min = editor.config.autoGrow_minHeight,
  25                         max = editor.config.autoGrow_maxHeight;
  26                 ( min == undefined ) && ( editor.config.autoGrow_minHeight = min = 200 );
  27                 if ( min )
  28                         newHeight = Math.max( newHeight, min );
  29                 if ( max )
  30                         newHeight = Math.min( newHeight, max );
  31
  32                 if ( newHeight != currentHeight )
  33                 {
  34                         newHeight = editor.fire( 'autoGrow', { currentHeight : currentHeight, newHeight : newHeight } ).newHeight;
  35                         editor.resize( editor.container.getStyle( 'width' ), newHeight, true );
  36                 }
  37         };
  38         CKEDITOR.plugins.add( 'autogrow',
  39         {
  40                 init : function( editor )
  41                 {
  42                         for ( var eventName in { contentDom:1, key:1, selectionChange:1, insertElement:1 } )
  43                         {
  44                                 editor.on( eventName, function( evt )
  45                                 {
  46                                         var maximize = editor.getCommand( 'maximize' );
  47                                         // Some time is required for insertHtml, and it gives other events better performance as well.
  48                                         if ( evt.editor.mode == 'wysiwyg' &&
  49                                                 // Disable autogrow when the editor is maximized .(#6339)
  50                                                 ( !maximize || maximize.state != CKEDITOR.TRISTATE_ON ) )
  51                                         {
  52                                                 setTimeout( function(){ resizeEditor( evt.editor ); }, 100 );
  53                                         }
  54                                 });
  55                         }
  56                 }
  57         });
  58 })();
  59 /**
  60  * The minimum height to which the editor can reach using AutoGrow.
  61  * @name CKEDITOR.config.autoGrow_minHeight
  62  * @type Number
  63  * @default 200
  64  * @since 3.4
  65  * @example
  66  * config.autoGrow_minHeight = 300;
  67  */
  68
  69 /**
  70  * The maximum height to which the editor can reach using AutoGrow. Zero means unlimited.
  71  * @name CKEDITOR.config.autoGrow_maxHeight
  72  * @type Number
  73  * @default 0
  74  * @since 3.4
  75  * @example
  76  * config.autoGrow_maxHeight = 400;
  77  */
  78
  79 /**
  80  * Fired when the AutoGrow plugin is about to change the size of the editor.
  81  * @name CKEDITOR.editor#autogrow
  82  * @event
  83  * @param {Number} data.currentHeight The current height of the editor (before the resizing).
  84  * @param {Number} data.newHeight The new height of the editor (after the resizing). It can be changed
  85  *                              to determine another height to be used instead.
  86  */