_source/plugins/resize/plugin.js

   1 /*\r
   2 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.\r
   3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
   4 */\r
   5 \r
   6 CKEDITOR.plugins.add( 'resize',\r
   7 {\r
   8         init : function( editor )\r
   9         {\r
  10                 var config = editor.config;\r
  11 \r
  12                 if ( config.resize_enabled )\r
  13                 {\r
  14                         var container = null;\r
  15                         var origin, startSize;\r
  16 \r
  17                         function dragHandler( evt )\r
  18                         {\r
  19                                 var dx = evt.data.$.screenX - origin.x;\r
  20                                 var dy = evt.data.$.screenY - origin.y;\r
  21                                 var internalWidth = startSize.width + dx * ( editor.lang.dir == 'rtl' ? -1 : 1 );\r
  22                                 var internalHeight = startSize.height + dy;\r
  23 \r
  24                                 editor.resize( Math.max( config.resize_minWidth, Math.min( internalWidth, config.resize_maxWidth ) ),\r
  25                                                 Math.max( config.resize_minHeight, Math.min( internalHeight, config.resize_maxHeight ) ) );\r
  26                         }\r
  27 \r
  28                         function dragEndHandler ( evt )\r
  29                         {\r
  30                                 CKEDITOR.document.removeListener( 'mousemove', dragHandler );\r
  31                                 CKEDITOR.document.removeListener( 'mouseup', dragEndHandler );\r
  32 \r
  33                                 if ( editor.document )\r
  34                                 {\r
  35                                         editor.document.removeListener( 'mousemove', dragHandler );\r
  36                                         editor.document.removeListener( 'mouseup', dragEndHandler );\r
  37                                 }\r
  38                         }\r
  39 \r
  40                         var mouseDownFn = CKEDITOR.tools.addFunction( function( $event )\r
  41                                 {\r
  42                                         if ( !container )\r
  43                                                 container = editor.getResizable();\r
  44 \r
  45                                         startSize = { width : container.$.offsetWidth || 0, height : container.$.offsetHeight || 0 };\r
  46                                         origin = { x : $event.screenX, y : $event.screenY };\r
  47 \r
  48                                         CKEDITOR.document.on( 'mousemove', dragHandler );\r
  49                                         CKEDITOR.document.on( 'mouseup', dragEndHandler );\r
  50 \r
  51                                         if ( editor.document )\r
  52                                         {\r
  53                                                 editor.document.on( 'mousemove', dragHandler );\r
  54                                                 editor.document.on( 'mouseup', dragEndHandler );\r
  55                                         }\r
  56                                 });\r
  57 \r
  58                         editor.on( 'destroy', function() { CKEDITOR.tools.removeFunction( mouseDownFn ); } );\r
  59 \r
  60                         editor.on( 'themeSpace', function( event )\r
  61                                 {\r
  62                                         if ( event.data.space == 'bottom' )\r
  63                                         {\r
  64                                                 event.data.html += '<div class="cke_resizer"' +\r
  65                                                         ' title="' + CKEDITOR.tools.htmlEncode( editor.lang.resize ) + '"' +\r
  66                                                         ' onmousedown="CKEDITOR.tools.callFunction(' + mouseDownFn + ', event)"' +\r
  67                                                         '></div>';\r
  68                                         }\r
  69                                 }, editor, null, 100 );\r
  70                 }\r
  71         }\r
  72 } );\r
  73 \r
  74 /**\r
  75  * The minimum editor width, in pixels, when resizing it with the resize handle.\r
  76  * @type Number\r
  77  * @default 750\r
  78  * @example\r
  79  * config.resize_minWidth = 500;\r
  80  */\r
  81 CKEDITOR.config.resize_minWidth = 750;\r
  82 \r
  83 /**\r
  84  * The minimum editor height, in pixels, when resizing it with the resize handle.\r
  85  * @type Number\r
  86  * @default 250\r
  87  * @example\r
  88  * config.resize_minHeight = 600;\r
  89  */\r
  90 CKEDITOR.config.resize_minHeight = 250;\r
  91 \r
  92 /**\r
  93  * The maximum editor width, in pixels, when resizing it with the resize handle.\r
  94  * @type Number\r
  95  * @default 3000\r
  96  * @example\r
  97  * config.resize_maxWidth = 750;\r
  98  */\r
  99 CKEDITOR.config.resize_maxWidth = 3000;\r
 100 \r
 101 /**\r
 102  * The maximum editor height, in pixels, when resizing it with the resize handle.\r
 103  * @type Number\r
 104  * @default 3000\r
 105  * @example\r
 106  * config.resize_maxHeight = 600;\r
 107  */\r
 108 CKEDITOR.config.resize_maxHeight = 3000;\r
 109 \r
 110 /**\r
 111  * Whether to enable the resizing feature. If disabed the resize handler will not be visible.\r
 112  * @type Boolean\r
 113  * @default true\r
 114  * @example\r
 115  * config.resize_enabled = false;\r
 116  */\r
 117 CKEDITOR.config.resize_enabled = true;\r