_source/plugins/panel/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( 'panel',\r
   7 {\r
   8         beforeInit : function( editor )\r
   9         {\r
  10                 editor.ui.addHandler( CKEDITOR.UI_PANEL, CKEDITOR.ui.panel.handler );\r
  11         }\r
  12 });\r
  13 \r
  14 /**\r
  15  * Panel UI element.\r
  16  * @constant\r
  17  * @example\r
  18  */\r
  19 CKEDITOR.UI_PANEL = 2;\r
  20 \r
  21 CKEDITOR.ui.panel = function( document, definition )\r
  22 {\r
  23         // Copy all definition properties to this object.\r
  24         if ( definition )\r
  25                 CKEDITOR.tools.extend( this, definition );\r
  26 \r
  27         // Set defaults.\r
  28         CKEDITOR.tools.extend( this,\r
  29                 {\r
  30                         className : '',\r
  31                         css : []\r
  32                 });\r
  33 \r
  34         this.id = CKEDITOR.tools.getNextNumber();\r
  35         this.document = document;\r
  36 \r
  37         this._ =\r
  38         {\r
  39                 blocks : {}\r
  40         };\r
  41 };\r
  42 \r
  43 /**\r
  44  * Transforms a rich combo definition in a {@link CKEDITOR.ui.richCombo}\r
  45  * instance.\r
  46  * @type Object\r
  47  * @example\r
  48  */\r
  49 CKEDITOR.ui.panel.handler =\r
  50 {\r
  51         create : function( definition )\r
  52         {\r
  53                 return new CKEDITOR.ui.panel( definition );\r
  54         }\r
  55 };\r
  56 \r
  57 CKEDITOR.ui.panel.prototype =\r
  58 {\r
  59         renderHtml : function( editor )\r
  60         {\r
  61                 var output = [];\r
  62                 this.render( editor, output );\r
  63                 return output.join( '' );\r
  64         },\r
  65 \r
  66         /**\r
  67          * Renders the combo.\r
  68          * @param {CKEDITOR.editor} editor The editor instance which this button is\r
  69          *              to be used by.\r
  70          * @param {Array} output The output array to which append the HTML relative\r
  71          *              to this button.\r
  72          * @example\r
  73          */\r
  74         render : function( editor, output )\r
  75         {\r
  76                 var id = 'cke_' + this.id;\r
  77 \r
  78                 output.push(\r
  79                         '<div class="', editor.skinClass ,'"' +\r
  80                                 ' lang="', editor.langCode, '"' +\r
  81                                 ' role="presentation"' +\r
  82                                 // iframe loading need sometime, keep the panel hidden(#4186).\r
  83                                 ' style="display:none;z-index:' + ( editor.config.baseFloatZIndex + 1 ) + '">' +\r
  84                                 '<div' +\r
  85                                         ' id=', id,\r
  86                                         ' dir=', editor.lang.dir,\r
  87                                         ' role="presentation"' +\r
  88                                         ' class="cke_panel cke_', editor.lang.dir );\r
  89 \r
  90                 if ( this.className )\r
  91                         output.push( ' ', this.className );\r
  92 \r
  93                 output.push(\r
  94                                 '">' );\r
  95 \r
  96                 if ( this.forceIFrame || this.css.length )\r
  97                 {\r
  98                         output.push(\r
  99                                                 '<iframe id="', id, '_frame"' +\r
 100                                                         ' frameborder="0"' +\r
 101                                                         ' role="application" src="javascript:void(' );\r
 102 \r
 103                         output.push(\r
 104                                                         // Support for custom document.domain in IE.\r
 105                                                         CKEDITOR.env.isCustomDomain() ?\r
 106                                                                 '(function(){' +\r
 107                                                                         'document.open();' +\r
 108                                                                         'document.domain=\'' + document.domain + '\';' +\r
 109                                                                         'document.close();' +\r
 110                                                                 '})()'\r
 111                                                         :\r
 112                                                                 '0' );\r
 113 \r
 114                         output.push(\r
 115                                                 ')"></iframe>' );\r
 116                 }\r
 117 \r
 118                 output.push(\r
 119                                 '</div>' +\r
 120                         '</div>' );\r
 121 \r
 122                 return id;\r
 123         },\r
 124 \r
 125         getHolderElement : function()\r
 126         {\r
 127                 var holder = this._.holder;\r
 128 \r
 129                 if ( !holder )\r
 130                 {\r
 131                         if ( this.forceIFrame || this.css.length )\r
 132                         {\r
 133                                 var iframe = this.document.getById( 'cke_' + this.id + '_frame' ),\r
 134                                         parentDiv = iframe.getParent(),\r
 135                                         dir = parentDiv.getAttribute( 'dir' ),\r
 136                                         className = parentDiv.getParent().getAttribute( 'class' ),\r
 137                                         langCode = parentDiv.getParent().getAttribute( 'lang' ),\r
 138                                         doc = iframe.getFrameDocument();\r
 139                                 // Initialize the IFRAME document body.\r
 140                                 doc.$.open();\r
 141 \r
 142                                 // Support for custom document.domain in IE.\r
 143                                 if ( CKEDITOR.env.isCustomDomain() )\r
 144                                         doc.$.domain = document.domain;\r
 145 \r
 146                                 var onLoad = CKEDITOR.tools.addFunction( CKEDITOR.tools.bind( function( ev )\r
 147                                         {\r
 148                                                 this.isLoaded = true;\r
 149                                                 if ( this.onLoad )\r
 150                                                         this.onLoad();\r
 151                                         }, this ) );\r
 152 \r
 153                                 doc.$.write(\r
 154                                         '<!DOCTYPE html>' +\r
 155                                         '<html dir="' + dir + '" class="' + className + '_container" lang="' + langCode + '">' +\r
 156                                                 '<head>' +\r
 157                                                         '<style>.' + className + '_container{visibility:hidden}</style>' +\r
 158                                                 '</head>' +\r
 159                                                 '<body class="cke_' + dir + ' cke_panel_frame ' + CKEDITOR.env.cssClass + '" style="margin:0;padding:0"' +\r
 160                                                 ' onload="( window.CKEDITOR || window.parent.CKEDITOR ).tools.callFunction(' + onLoad + ');"></body>' +\r
 161                                                 // It looks strange, but for FF2, the styles must go\r
 162                                                 // after <body>, so it (body) becames immediatelly\r
 163                                                 // available. (#3031)\r
 164                                                 CKEDITOR.tools.buildStyleHtml( this.css ) +\r
 165                                         '<\/html>' );\r
 166                                 doc.$.close();\r
 167 \r
 168                                 var win = doc.getWindow();\r
 169 \r
 170                                 // Register the CKEDITOR global.\r
 171                                 win.$.CKEDITOR = CKEDITOR;\r
 172 \r
 173                                 doc.on( 'keydown', function( evt )\r
 174                                         {\r
 175                                                 var keystroke = evt.data.getKeystroke(),\r
 176                                                         dir = this.document.getById( 'cke_' + this.id ).getAttribute( 'dir' );\r
 177 \r
 178                                                 // Delegate key processing to block.\r
 179                                                 if ( this._.onKeyDown && this._.onKeyDown( keystroke ) === false )\r
 180                                                 {\r
 181                                                         evt.data.preventDefault();\r
 182                                                         return;\r
 183                                                 }\r
 184 \r
 185                                                 // ESC/ARROW-LEFT(ltr) OR ARROW-RIGHT(rtl)\r
 186                                                 if ( keystroke == 27 || keystroke == ( dir == 'rtl' ? 39 : 37 ) )\r
 187                                                 {\r
 188                                                         if ( this.onEscape && this.onEscape( keystroke ) === false )\r
 189                                                                 evt.data.preventDefault( );\r
 190                                                 }\r
 191                                         },\r
 192                                         this );\r
 193 \r
 194                                 holder = doc.getBody();\r
 195                                 holder.unselectable();\r
 196                         }\r
 197                         else\r
 198                                 holder = this.document.getById( 'cke_' + this.id );\r
 199 \r
 200                         this._.holder = holder;\r
 201                 }\r
 202 \r
 203                 return holder;\r
 204         },\r
 205 \r
 206         addBlock : function( name, block )\r
 207         {\r
 208                 block = this._.blocks[ name ] = block instanceof CKEDITOR.ui.panel.block ?  block\r
 209                                 : new CKEDITOR.ui.panel.block( this.getHolderElement(), block );\r
 210 \r
 211                 if ( !this._.currentBlock )\r
 212                         this.showBlock( name );\r
 213 \r
 214                 return block;\r
 215         },\r
 216 \r
 217         getBlock : function( name )\r
 218         {\r
 219                 return this._.blocks[ name ];\r
 220         },\r
 221 \r
 222         showBlock : function( name )\r
 223         {\r
 224                 var blocks = this._.blocks,\r
 225                         block = blocks[ name ],\r
 226                         current = this._.currentBlock,\r
 227                         holder = this.forceIFrame ?\r
 228                                 this.document.getById( 'cke_' + this.id + '_frame' )\r
 229                                 : this._.holder;\r
 230 \r
 231                 // Disable context menu for block panel.\r
 232                 holder.getParent().getParent().disableContextMenu();\r
 233 \r
 234                 if ( current )\r
 235                 {\r
 236                         // Clean up the current block's effects on holder.\r
 237                         holder.removeAttributes( current.attributes );\r
 238                         current.hide();\r
 239                 }\r
 240 \r
 241                 this._.currentBlock = block;\r
 242 \r
 243                 holder.setAttributes( block.attributes );\r
 244                 CKEDITOR.fire( 'ariaWidget', holder );\r
 245 \r
 246                 // Reset the focus index, so it will always go into the first one.\r
 247                 block._.focusIndex = -1;\r
 248 \r
 249                 this._.onKeyDown = block.onKeyDown && CKEDITOR.tools.bind( block.onKeyDown, block );\r
 250 \r
 251                 block.onMark = function( item )\r
 252                 {\r
 253                         holder.setAttribute( 'aria-activedescendant', item.getId() + '_option' );\r
 254                 };\r
 255 \r
 256                 block.onUnmark = function()\r
 257                 {\r
 258                         holder.removeAttribute( 'aria-activedescendant' );\r
 259                 };\r
 260 \r
 261                 block.show();\r
 262 \r
 263                 return block;\r
 264         },\r
 265 \r
 266         destroy : function()\r
 267         {\r
 268                 this.element && this.element.remove();\r
 269         }\r
 270 };\r
 271 \r
 272 CKEDITOR.ui.panel.block = CKEDITOR.tools.createClass(\r
 273 {\r
 274         $ : function( blockHolder, blockDefinition )\r
 275         {\r
 276                 this.element = blockHolder.append(\r
 277                         blockHolder.getDocument().createElement( 'div',\r
 278                                 {\r
 279                                         attributes :\r
 280                                         {\r
 281                                                 'tabIndex' : -1,\r
 282                                                 'class' : 'cke_panel_block',\r
 283                                                 'role' : 'presentation'\r
 284                                         },\r
 285                                         styles :\r
 286                                         {\r
 287                                                 display : 'none'\r
 288                                         }\r
 289                                 }) );\r
 290 \r
 291                 // Copy all definition properties to this object.\r
 292                 if ( blockDefinition )\r
 293                         CKEDITOR.tools.extend( this, blockDefinition );\r
 294 \r
 295                 if ( !this.attributes.title )\r
 296                         this.attributes.title = this.attributes[ 'aria-label' ];\r
 297 \r
 298                 this.keys = {};\r
 299 \r
 300                 this._.focusIndex = -1;\r
 301 \r
 302                 // Disable context menu for panels.\r
 303                 this.element.disableContextMenu();\r
 304         },\r
 305 \r
 306         _ : {\r
 307 \r
 308                 /**\r
 309                  * Mark the item specified by the index as current activated.\r
 310                  */\r
 311                 markItem: function( index )\r
 312                 {\r
 313                         if ( index == -1 )\r
 314                                 return;\r
 315                         var links = this.element.getElementsByTag( 'a' );\r
 316                         var item = links.getItem( this._.focusIndex = index );\r
 317 \r
 318                         // Safari need focus on the iframe window first(#3389), but we need\r
 319                         // lock the blur to avoid hiding the panel.\r
 320                         if ( CKEDITOR.env.webkit )\r
 321                                 item.getDocument().getWindow().focus();\r
 322                         item.focus();\r
 323 \r
 324                         this.onMark && this.onMark( item );\r
 325                 }\r
 326         },\r
 327 \r
 328         proto :\r
 329         {\r
 330                 show : function()\r
 331                 {\r
 332                         this.element.setStyle( 'display', '' );\r
 333                 },\r
 334 \r
 335                 hide : function()\r
 336                 {\r
 337                         if ( !this.onHide || this.onHide.call( this )  !== true )\r
 338                                 this.element.setStyle( 'display', 'none' );\r
 339                 },\r
 340 \r
 341                 onKeyDown : function( keystroke )\r
 342                 {\r
 343                         var keyAction = this.keys[ keystroke ];\r
 344                         switch ( keyAction )\r
 345                         {\r
 346                                 // Move forward.\r
 347                                 case 'next' :\r
 348                                         var index = this._.focusIndex,\r
 349                                                 links = this.element.getElementsByTag( 'a' ),\r
 350                                                 link;\r
 351 \r
 352                                         while ( ( link = links.getItem( ++index ) ) )\r
 353                                         {\r
 354                                                 // Move the focus only if the element is marked with\r
 355                                                 // the _cke_focus and it it's visible (check if it has\r
 356                                                 // width).\r
 357                                                 if ( link.getAttribute( '_cke_focus' ) && link.$.offsetWidth )\r
 358                                                 {\r
 359                                                         this._.focusIndex = index;\r
 360                                                         link.focus();\r
 361                                                         break;\r
 362                                                 }\r
 363                                         }\r
 364                                         return false;\r
 365 \r
 366                                 // Move backward.\r
 367                                 case 'prev' :\r
 368                                         index = this._.focusIndex;\r
 369                                         links = this.element.getElementsByTag( 'a' );\r
 370 \r
 371                                         while ( index > 0 && ( link = links.getItem( --index ) ) )\r
 372                                         {\r
 373                                                 // Move the focus only if the element is marked with\r
 374                                                 // the _cke_focus and it it's visible (check if it has\r
 375                                                 // width).\r
 376                                                 if ( link.getAttribute( '_cke_focus' ) && link.$.offsetWidth )\r
 377                                                 {\r
 378                                                         this._.focusIndex = index;\r
 379                                                         link.focus();\r
 380                                                         break;\r
 381                                                 }\r
 382                                         }\r
 383                                         return false;\r
 384 \r
 385                                 case 'click' :\r
 386                                         index = this._.focusIndex;\r
 387                                         link = index >= 0 && this.element.getElementsByTag( 'a' ).getItem( index );\r
 388 \r
 389                                         if ( link )\r
 390                                                 link.$.click ? link.$.click() : link.$.onclick();\r
 391 \r
 392                                         return false;\r
 393                         }\r
 394 \r
 395                         return true;\r
 396                 }\r
 397         }\r
 398 });\r