| | 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 | (function() |
| | 7 | { |
| | 8 | function protectFormStyles( formElement ) |
| | 9 | { |
| | 10 | if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' ) |
| | 11 | return []; |
| | 12 | |
| | 13 | var hijackRecord = []; |
| | 14 | var hijackNames = [ 'style', 'className' ]; |
| | 15 | for ( var i = 0 ; i < hijackNames.length ; i++ ) |
| | 16 | { |
| | 17 | var name = hijackNames[i]; |
| | 18 | var $node = formElement.$.elements.namedItem( name ); |
| | 19 | if ( $node ) |
| | 20 | { |
| | 21 | var hijackNode = new CKEDITOR.dom.element( $node ); |
| | 22 | hijackRecord.push( [ hijackNode, hijackNode.nextSibling ] ); |
| | 23 | hijackNode.remove(); |
| | 24 | } |
| | 25 | } |
| | 26 | |
| | 27 | return hijackRecord; |
| | 28 | } |
| | 29 | |
| | 30 | function restoreFormStyles( formElement, hijackRecord ) |
| | 31 | { |
| | 32 | if ( !formElement || formElement.type != CKEDITOR.NODE_ELEMENT || formElement.getName() != 'form' ) |
| | 33 | return; |
| | 34 | |
| | 35 | if ( hijackRecord.length > 0 ) |
| | 36 | { |
| | 37 | for ( var i = hijackRecord.length - 1 ; i >= 0 ; i-- ) |
| | 38 | { |
| | 39 | var node = hijackRecord[i][0]; |
| | 40 | var sibling = hijackRecord[i][1]; |
| | 41 | if ( sibling ) |
| | 42 | node.insertBefore( sibling ); |
| | 43 | else |
| | 44 | node.appendTo( formElement ); |
| | 45 | } |
| | 46 | } |
| | 47 | } |
| | 48 | |
| | 49 | function saveStyles( element, isInsideEditor ) |
| | 50 | { |
| | 51 | var data = protectFormStyles( element ); |
| | 52 | var retval = {}; |
| | 53 | |
| | 54 | var $element = element.$; |
| | 55 | |
| | 56 | if ( !isInsideEditor ) |
| | 57 | { |
| | 58 | retval[ 'class' ] = $element.className || ''; |
| | 59 | $element.className = ''; |
| | 60 | } |
| | 61 | |
| | 62 | retval.inline = $element.style.cssText || ''; |
| | 63 | if ( !isInsideEditor ) // Reset any external styles that might interfere. (#2474) |
| | 64 | $element.style.cssText = 'position: static; overflow: visible'; |
| | 65 | |
| | 66 | restoreFormStyles( data ); |
| | 67 | return retval; |
| | 68 | } |
| | 69 | |
| | 70 | function restoreStyles( element, savedStyles ) |
| | 71 | { |
| | 72 | var data = protectFormStyles( element ); |
| | 73 | var $element = element.$; |
| | 74 | if ( 'class' in savedStyles ) |
| | 75 | $element.className = savedStyles[ 'class' ]; |
| | 76 | if ( 'inline' in savedStyles ) |
| | 77 | $element.style.cssText = savedStyles.inline; |
| | 78 | restoreFormStyles( data ); |
| | 79 | } |
| | 80 | |
| | 81 | function getResizeHandler( mainWindow, editor ) |
| | 82 | { |
| | 83 | return function() |
| | 84 | { |
| | 85 | var viewPaneSize = mainWindow.getViewPaneSize(); |
| | 86 | editor.resize( viewPaneSize.width, viewPaneSize.height ); |
| | 87 | }; |
| | 88 | } |
| | 89 | |
| | 90 | CKEDITOR.plugins.add( 'maximize', |
| | 91 | { |
| | 92 | init : function( editor ) |
| | 93 | { |
| | 94 | var lang = editor.lang; |
| | 95 | var mainDocument = CKEDITOR.document; |
| | 96 | var mainWindow = mainDocument.getWindow(); |
| | 97 | |
| | 98 | // Saved selection and scroll position for the editing area. |
| | 99 | var savedSelection; |
| | 100 | var savedScroll; |
| | 101 | |
| | 102 | // Saved scroll position for the outer window. |
| | 103 | var outerScroll; |
| | 104 | |
| | 105 | // Saved resize handler function. |
| | 106 | var resizeHandler = getResizeHandler( mainWindow, editor ); |
| | 107 | |
| | 108 | // Retain state after mode switches. |
| | 109 | var savedState = CKEDITOR.TRISTATE_OFF; |
| | 110 | |
| | 111 | editor.addCommand( 'maximize', |
| | 112 | { |
| | 113 | modes : { wysiwyg : 1, source : 1 }, |
| | 114 | |
| | 115 | exec : function() |
| | 116 | { |
| | 117 | var container = editor.container.getChild( [ 0, 0 ] ); |
| | 118 | var contents = editor.getThemeSpace( 'contents' ); |
| | 119 | |
| | 120 | // Save current selection and scroll position in editing area. |
| | 121 | if ( editor.mode == 'wysiwyg' ) |
| | 122 | { |
| | 123 | savedSelection = editor.getSelection().getRanges(); |
| | 124 | savedScroll = editor.window.getScrollPosition(); |
| | 125 | } |
| | 126 | else |
| | 127 | { |
| | 128 | var $textarea = editor.textarea.$; |
| | 129 | savedSelection = !CKEDITOR.env.ie && [ $textarea.selectionStart, $textarea.selectionEnd ]; |
| | 130 | savedScroll = [ $textarea.scrollLeft, $textarea.scrollTop ]; |
| | 131 | } |
| | 132 | |
| | 133 | if ( this.state == CKEDITOR.TRISTATE_OFF ) // Go fullscreen if the state is off. |
| | 134 | { |
| | 135 | // Add event handler for resizing. |
| | 136 | mainWindow.on( 'resize', resizeHandler ); |
| | 137 | |
| | 138 | // Save the scroll bar position. |
| | 139 | outerScroll = mainWindow.getScrollPosition(); |
| | 140 | |
| | 141 | // Save and reset the styles for the entire node tree. |
| | 142 | var currentNode = editor.container; |
| | 143 | while ( ( currentNode = currentNode.getParent() ) ) |
| | 144 | { |
| | 145 | currentNode.setCustomData( 'maximize_saved_styles', saveStyles( currentNode ) ); |
| | 146 | currentNode.setStyle( 'z-index', editor.config.baseFloatZIndex - 1 ); |
| | 147 | } |
| | 148 | contents.setCustomData( 'maximize_saved_styles', saveStyles( contents, true ) ); |
| | 149 | container.setCustomData( 'maximize_saved_styles', saveStyles( container, true ) ); |
| | 150 | |
| | 151 | // Hide scroll bars. |
| | 152 | if ( CKEDITOR.env.ie ) |
| | 153 | { |
| | 154 | mainDocument.$.documentElement.style.overflow = |
| | 155 | mainDocument.getBody().$.style.overflow = 'hidden'; |
| | 156 | } |
| | 157 | else |
| | 158 | { |
| | 159 | mainDocument.getBody().setStyles( |
| | 160 | { |
| | 161 | overflow : 'hidden', |
| | 162 | width : '0px', |
| | 163 | height : '0px' |
| | 164 | } ); |
| | 165 | } |
| | 166 | |
| | 167 | // Scroll to the top left. |
| | 168 | mainWindow.$.scrollTo( 0, 0 ); |
| | 169 | |
| | 170 | // Resize and move to top left. |
| | 171 | var viewPaneSize = mainWindow.getViewPaneSize(); |
| | 172 | container.setStyle( 'position', 'absolute' ); |
| | 173 | container.$.offsetLeft; // SAFARI BUG: See #2066. |
| | 174 | container.setStyles( |
| | 175 | { |
| | 176 | 'z-index' : editor.config.baseFloatZIndex - 1, |
| | 177 | left : '0px', |
| | 178 | top : '0px' |
| | 179 | } ); |
| | 180 | editor.resize( viewPaneSize.width, viewPaneSize.height ); |
| | 181 | |
| | 182 | // Still not top left? Fix it. (Bug #174) |
| | 183 | var offset = container.getDocumentPosition(); |
| | 184 | container.setStyles( |
| | 185 | { |
| | 186 | left : ( -1 * offset.x ) + 'px', |
| | 187 | top : ( -1 * offset.y ) + 'px' |
| | 188 | } ); |
| | 189 | } |
| | 190 | else if ( this.state == CKEDITOR.TRISTATE_ON ) // Restore from fullscreen if the state is on. |
| | 191 | { |
| | 192 | // Remove event handler for resizing. |
| | 193 | mainWindow.removeListener( 'resize', resizeHandler ); |
| | 194 | |
| | 195 | // Restore CSS styles for the entire node tree. |
| | 196 | var editorElements = [ contents, container ]; |
| | 197 | for ( var i = 0 ; i < editorElements.length ; i++ ) |
| | 198 | { |
| | 199 | restoreStyles( editorElements[i], editorElements[i].getCustomData( 'maximize_saved_styles' ) ); |
| | 200 | editorElements[i].removeCustomData( 'maximize_saved_styles' ); |
| | 201 | } |
| | 202 | var currentNode = editor.container; |
| | 203 | while ( ( currentNode = currentNode.getParent() ) ) |
| | 204 | { |
| | 205 | restoreStyles( currentNode, currentNode.getCustomData( 'maximize_saved_styles' ) ); |
| | 206 | currentNode.removeCustomData( 'maximize_saved_styles' ); |
| | 207 | } |
| | 208 | |
| | 209 | // Restore the window scroll position. |
| | 210 | mainWindow.$.scrollTo( outerScroll.x, outerScroll.y ); |
| | 211 | |
| | 212 | // Emit a resize event, because this time the size is modified in |
| | 213 | // restoreStyles. |
| | 214 | editor.fire( 'resize' ); |
| | 215 | } |
| | 216 | |
| | 217 | this.toggleState(); |
| | 218 | |
| | 219 | // Restore selection and scroll position in editing area. |
| | 220 | if ( editor.mode == 'wysiwyg' ) |
| | 221 | { |
| | 222 | editor.getSelection().selectRanges( savedSelection ); |
| | 223 | editor.window.$.scrollTo( savedScroll.x, savedScroll.y ); |
| | 224 | } |
| | 225 | else |
| | 226 | { |
| | 227 | if ( savedSelection ) |
| | 228 | { |
| | 229 | $textarea.selectionStart = savedSelection[0]; |
| | 230 | $textarea.selectionEnd = savedSelection[1]; |
| | 231 | } |
| | 232 | $textarea.scrollLeft = savedScroll[0]; |
| | 233 | $textarea.scrollTop = savedScroll[1]; |
| | 234 | } |
| | 235 | |
| | 236 | savedSelection = savedScroll = null; |
| | 237 | savedState = this.state; |
| | 238 | } |
| | 239 | } ); |
| | 240 | |
| | 241 | editor.ui.addButton( 'Maximize', |
| | 242 | { |
| | 243 | label : lang.maximize, |
| | 244 | command : 'maximize' |
| | 245 | } ); |
| | 246 | |
| | 247 | editor.on( 'mode', function() |
| | 248 | { |
| | 249 | editor.getCommand( 'maximize' ).setState( savedState ); |
| | 250 | } ); |
| | 251 | } |
| | 252 | } ); |
| | 253 | })(); |
