2 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
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3 For licensing, see LICENSE.html or http://ckeditor.com/license
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8 function protectFormStyles( formElement )
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10 if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' )
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13 var hijackRecord = [];
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14 var hijackNames = [ 'style', 'className' ];
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15 for ( var i = 0 ; i < hijackNames.length ; i++ )
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17 var name = hijackNames[i];
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18 var $node = formElement.$.elements.namedItem( name );
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21 var hijackNode = new CKEDITOR.dom.element( $node );
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22 hijackRecord.push( [ hijackNode, hijackNode.nextSibling ] );
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23 hijackNode.remove();
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27 return hijackRecord;
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30 function restoreFormStyles( formElement, hijackRecord )
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32 if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' )
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35 if ( hijackRecord.length > 0 )
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37 for ( var i = hijackRecord.length - 1 ; i >= 0 ; i-- )
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39 var node = hijackRecord[i][0];
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40 var sibling = hijackRecord[i][1];
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42 node.insertBefore( sibling );
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44 node.appendTo( formElement );
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49 function saveStyles( element, isInsideEditor )
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51 var data = protectFormStyles( element );
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54 var $element = element.$;
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56 if ( !isInsideEditor )
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58 retval[ 'class' ] = $element.className || '';
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59 $element.className = '';
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62 retval.inline = $element.style.cssText || '';
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63 if ( !isInsideEditor ) // Reset any external styles that might interfere. (#2474)
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64 $element.style.cssText = 'position: static; overflow: visible';
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66 restoreFormStyles( data );
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70 function restoreStyles( element, savedStyles )
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72 var data = protectFormStyles( element );
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73 var $element = element.$;
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74 if ( 'class' in savedStyles )
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75 $element.className = savedStyles[ 'class' ];
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76 if ( 'inline' in savedStyles )
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77 $element.style.cssText = savedStyles.inline;
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78 restoreFormStyles( data );
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81 function getResizeHandler( mainWindow, editor )
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85 var viewPaneSize = mainWindow.getViewPaneSize();
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86 editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
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90 function refreshCursor( editor )
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92 if ( editor.focusManager.hasFocus )
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94 var focusGrabber = editor.container.append( CKEDITOR.dom.element.createFromHtml(
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95 '<span tabindex="-1" style="position:absolute; left:-10000" role="presentation"></span>' ) );
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97 focusGrabber.on( 'focus', function()
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101 focusGrabber.focus();
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102 focusGrabber.remove();
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106 CKEDITOR.plugins.add( 'maximize',
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108 init : function( editor )
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110 var lang = editor.lang;
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111 var mainDocument = CKEDITOR.document;
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112 var mainWindow = mainDocument.getWindow();
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114 // Saved selection and scroll position for the editing area.
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115 var savedSelection;
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118 // Saved scroll position for the outer window.
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121 // Saved resize handler function.
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122 var resizeHandler = getResizeHandler( mainWindow, editor );
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124 // Retain state after mode switches.
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125 var savedState = CKEDITOR.TRISTATE_OFF;
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127 editor.addCommand( 'maximize',
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129 modes : { wysiwyg : 1, source : 1 },
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130 editorFocus : false,
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133 var container = editor.container.getChild( 1 );
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134 var contents = editor.getThemeSpace( 'contents' );
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136 // Save current selection and scroll position in editing area.
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137 if ( editor.mode == 'wysiwyg' )
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139 var selection = editor.getSelection();
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140 savedSelection = selection && selection.getRanges();
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141 savedScroll = mainWindow.getScrollPosition();
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145 var $textarea = editor.textarea.$;
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146 savedSelection = !CKEDITOR.env.ie && [ $textarea.selectionStart, $textarea.selectionEnd ];
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147 savedScroll = [ $textarea.scrollLeft, $textarea.scrollTop ];
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150 if ( this.state == CKEDITOR.TRISTATE_OFF ) // Go fullscreen if the state is off.
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152 // Add event handler for resizing.
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153 mainWindow.on( 'resize', resizeHandler );
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155 // Save the scroll bar position.
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156 outerScroll = mainWindow.getScrollPosition();
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158 // Save and reset the styles for the entire node tree.
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159 var currentNode = editor.container;
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160 while ( ( currentNode = currentNode.getParent() ) )
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162 currentNode.setCustomData( 'maximize_saved_styles', saveStyles( currentNode ) );
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163 currentNode.setStyle( 'z-index', editor.config.baseFloatZIndex - 1 );
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165 contents.setCustomData( 'maximize_saved_styles', saveStyles( contents, true ) );
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166 container.setCustomData( 'maximize_saved_styles', saveStyles( container, true ) );
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168 // Hide scroll bars.
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169 if ( CKEDITOR.env.ie )
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171 mainDocument.$.documentElement.style.overflow =
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172 mainDocument.getBody().$.style.overflow = 'hidden';
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176 mainDocument.getBody().setStyles(
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178 overflow : 'hidden',
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184 // Scroll to the top left (IE needs some time for it - #4923).
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186 setTimeout( function() { mainWindow.$.scrollTo( 0, 0 ); }, 0 ) :
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187 mainWindow.$.scrollTo( 0, 0 );
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189 // Resize and move to top left.
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190 var viewPaneSize = mainWindow.getViewPaneSize();
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191 container.setStyle( 'position', 'absolute' );
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192 container.$.offsetLeft; // SAFARI BUG: See #2066.
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193 container.setStyles(
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195 'z-index' : editor.config.baseFloatZIndex - 1,
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199 editor.resize( viewPaneSize.width, viewPaneSize.height, null, true );
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201 // Still not top left? Fix it. (Bug #174)
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202 var offset = container.getDocumentPosition();
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203 container.setStyles(
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205 left : ( -1 * offset.x ) + 'px',
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206 top : ( -1 * offset.y ) + 'px'
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209 // Fixing positioning editor chrome in Firefox break design mode. (#5149)
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210 CKEDITOR.env.gecko && refreshCursor( editor );
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212 // Add cke_maximized class.
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213 container.addClass( 'cke_maximized' );
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215 else if ( this.state == CKEDITOR.TRISTATE_ON ) // Restore from fullscreen if the state is on.
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217 // Remove event handler for resizing.
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218 mainWindow.removeListener( 'resize', resizeHandler );
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220 // Restore CSS styles for the entire node tree.
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221 var editorElements = [ contents, container ];
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222 for ( var i = 0 ; i < editorElements.length ; i++ )
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224 restoreStyles( editorElements[i], editorElements[i].getCustomData( 'maximize_saved_styles' ) );
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225 editorElements[i].removeCustomData( 'maximize_saved_styles' );
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228 currentNode = editor.container;
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229 while ( ( currentNode = currentNode.getParent() ) )
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231 restoreStyles( currentNode, currentNode.getCustomData( 'maximize_saved_styles' ) );
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232 currentNode.removeCustomData( 'maximize_saved_styles' );
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235 // Restore the window scroll position.
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237 setTimeout( function() { mainWindow.$.scrollTo( outerScroll.x, outerScroll.y ); }, 0 ) :
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238 mainWindow.$.scrollTo( outerScroll.x, outerScroll.y );
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240 // Remove cke_maximized class.
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241 container.removeClass( 'cke_maximized' );
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243 // Emit a resize event, because this time the size is modified in
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245 editor.fire( 'resize' );
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248 this.toggleState();
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250 // Toggle button label.
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251 var button = this.uiItems[ 0 ];
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252 var label = ( this.state == CKEDITOR.TRISTATE_OFF )
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253 ? lang.maximize : lang.minimize;
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254 var buttonNode = editor.element.getDocument().getById( button._.id );
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255 buttonNode.getChild( 1 ).setHtml( label );
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256 buttonNode.setAttribute( 'title', label );
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257 buttonNode.setAttribute( 'href', 'javascript:void("' + label + '");' );
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259 // Restore selection and scroll position in editing area.
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260 if ( editor.mode == 'wysiwyg' )
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262 if ( savedSelection )
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264 // Fixing positioning editor chrome in Firefox break design mode. (#5149)
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265 CKEDITOR.env.gecko && refreshCursor( editor );
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267 editor.getSelection().selectRanges(savedSelection);
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268 var element = editor.getSelection().getStartElement();
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269 element && element.scrollIntoView( true );
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273 mainWindow.$.scrollTo( savedScroll.x, savedScroll.y );
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277 if ( savedSelection )
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279 $textarea.selectionStart = savedSelection[0];
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280 $textarea.selectionEnd = savedSelection[1];
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282 $textarea.scrollLeft = savedScroll[0];
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283 $textarea.scrollTop = savedScroll[1];
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286 savedSelection = savedScroll = null;
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287 savedState = this.state;
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292 editor.ui.addButton( 'Maximize',
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294 label : lang.maximize,
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295 command : 'maximize'
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298 // Restore the command state after mode change.
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299 editor.on( 'mode', function()
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301 editor.getCommand( 'maximize' ).setState( savedState );
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302 }, null, null, 100 );
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