549 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			549 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| /**
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|  * @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
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|  * For licensing, see LICENSE.md or http://ckeditor.com/license
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|  */
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| 
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| CKEDITOR.plugins.add( 'floatpanel', {
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| 	requires: 'panel'
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| } );
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| 
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| ( function() {
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| 	var panels = {};
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| 
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| 	function getPanel( editor, doc, parentElement, definition, level ) {
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| 		// Generates the panel key: docId-eleId-skinName-langDir[-uiColor][-CSSs][-level]
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| 		var key = CKEDITOR.tools.genKey( doc.getUniqueId(), parentElement.getUniqueId(), editor.lang.dir, editor.uiColor || '', definition.css || '', level || '' ),
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| 			panel = panels[ key ];
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| 
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| 		if ( !panel ) {
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| 			panel = panels[ key ] = new CKEDITOR.ui.panel( doc, definition );
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| 			panel.element = parentElement.append( CKEDITOR.dom.element.createFromHtml( panel.render( editor ), doc ) );
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| 
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| 			panel.element.setStyles( {
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| 				display: 'none',
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| 				position: 'absolute'
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| 			} );
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| 		}
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| 
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| 		return panel;
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| 	}
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| 
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| 	/**
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| 	 * Represents a floating panel UI element.
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| 	 *
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| 	 * It's reused by rich combos, color combos, menus, etc.
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| 	 * and it renders its content using {@link CKEDITOR.ui.panel}.
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| 	 *
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| 	 * @class
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| 	 * @todo
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| 	 */
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| 	CKEDITOR.ui.floatPanel = CKEDITOR.tools.createClass( {
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| 		/**
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| 		 * Creates a floatPanel class instance.
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| 		 *
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| 		 * @constructor
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| 		 * @param {CKEDITOR.editor} editor
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| 		 * @param {CKEDITOR.dom.element} parentElement
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| 		 * @param {Object} definition Definition of the panel that will be floating.
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| 		 * @param {Number} level
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| 		 */
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| 		$: function( editor, parentElement, definition, level ) {
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| 			definition.forceIFrame = 1;
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| 
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| 			// In case of editor with floating toolbar append panels that should float
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| 			// to the main UI element.
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| 			if ( definition.toolbarRelated && editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE )
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| 				parentElement = CKEDITOR.document.getById( 'cke_' + editor.name );
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| 
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| 			var doc = parentElement.getDocument(),
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| 				panel = getPanel( editor, doc, parentElement, definition, level || 0 ),
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| 				element = panel.element,
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| 				iframe = element.getFirst(),
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| 				that = this;
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| 
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| 			// Disable native browser menu. (#4825)
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| 			element.disableContextMenu();
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| 
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| 			this.element = element;
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| 
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| 			this._ = {
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| 				editor: editor,
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| 				// The panel that will be floating.
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| 				panel: panel,
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| 				parentElement: parentElement,
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| 				definition: definition,
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| 				document: doc,
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| 				iframe: iframe,
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| 				children: [],
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| 				dir: editor.lang.dir
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| 			};
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| 
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| 			editor.on( 'mode', hide );
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| 			editor.on( 'resize', hide );
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| 			// Window resize doesn't cause hide on blur. (#9800)
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| 			doc.getWindow().on( 'resize', hide );
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| 
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| 			// We need a wrapper because events implementation doesn't allow to attach
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| 			// one listener more than once for the same event on the same object.
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| 			// Remember that floatPanel#hide is shared between all instances.
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| 			function hide() {
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| 				that.hide();
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| 			}
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| 		},
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| 
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| 		proto: {
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| 			/**
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| 			 * @todo
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| 			 */
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| 			addBlock: function( name, block ) {
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| 				return this._.panel.addBlock( name, block );
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| 			},
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| 
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| 			/**
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| 			 * @todo
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| 			 */
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| 			addListBlock: function( name, multiSelect ) {
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| 				return this._.panel.addListBlock( name, multiSelect );
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| 			},
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| 
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| 			/**
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| 			 * @todo
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| 			 */
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| 			getBlock: function( name ) {
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| 				return this._.panel.getBlock( name );
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| 			},
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| 
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| 			/**
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| 			 * Shows panel block.
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| 			 *
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| 			 * @param {String} name
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| 			 * @param {CKEDITOR.dom.element} offsetParent Positioned parent.
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| 			 * @param {Number} corner
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| 			 *
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| 			 * * For LTR (left to right) oriented editor:
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| 			 *      * `1` = top-left
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| 			 *      * `2` = top-right
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| 			 *      * `3` = bottom-right
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| 			 *      * `4` = bottom-left
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| 			 * * For RTL (right to left):
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| 			 *      * `1` = top-right
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| 			 *      * `2` = top-left
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| 			 *      * `3` = bottom-left
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| 			 *      * `4` = bottom-right
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| 			 *
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| 			 * @param {Number} [offsetX=0]
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| 			 * @param {Number} [offsetY=0]
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| 			 * @param {Function} [callback] A callback function executed when block positioning is done.
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| 			 * @todo what do exactly these params mean (especially corner)?
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| 			 */
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| 			showBlock: function( name, offsetParent, corner, offsetX, offsetY, callback ) {
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| 				var panel = this._.panel,
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| 					block = panel.showBlock( name );
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| 
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| 				this.allowBlur( false );
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| 
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| 				// Record from where the focus is when open panel.
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| 				var editable = this._.editor.editable();
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| 				this._.returnFocus = editable.hasFocus ? editable : new CKEDITOR.dom.element( CKEDITOR.document.$.activeElement );
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| 
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| 				var element = this.element,
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| 					iframe = this._.iframe,
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| 					// Non IE prefer the event into a window object.
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| 					focused = CKEDITOR.env.ie ? iframe : new CKEDITOR.dom.window( iframe.$.contentWindow ),
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| 					doc = element.getDocument(),
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| 					positionedAncestor = this._.parentElement.getPositionedAncestor(),
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| 					position = offsetParent.getDocumentPosition( doc ),
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| 					positionedAncestorPosition = positionedAncestor ? positionedAncestor.getDocumentPosition( doc ) : { x: 0, y: 0 },
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| 					rtl = this._.dir == 'rtl',
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| 					left = position.x + ( offsetX || 0 ) - positionedAncestorPosition.x,
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| 					top = position.y + ( offsetY || 0 ) - positionedAncestorPosition.y;
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| 
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| 				// Floating panels are off by (-1px, 0px) in RTL mode. (#3438)
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| 				if ( rtl && ( corner == 1 || corner == 4 ) )
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| 					left += offsetParent.$.offsetWidth;
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| 				else if ( !rtl && ( corner == 2 || corner == 3 ) )
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| 					left += offsetParent.$.offsetWidth - 1;
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| 
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| 				if ( corner == 3 || corner == 4 )
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| 					top += offsetParent.$.offsetHeight - 1;
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| 
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| 				// Memorize offsetParent by it's ID.
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| 				this._.panel._.offsetParentId = offsetParent.getId();
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| 
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| 				element.setStyles( {
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| 					top: top + 'px',
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| 					left: 0,
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| 					display: ''
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| 				} );
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| 
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| 				// Don't use display or visibility style because we need to
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| 				// calculate the rendering layout later and focus the element.
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| 				element.setOpacity( 0 );
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| 
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| 				// To allow the context menu to decrease back their width
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| 				element.getFirst().removeStyle( 'width' );
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| 
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| 				// Report to focus manager.
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| 				this._.editor.focusManager.add( focused );
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| 
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| 				// Configure the IFrame blur event. Do that only once.
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| 				if ( !this._.blurSet ) {
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| 
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| 					// With addEventListener compatible browsers, we must
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| 					// useCapture when registering the focus/blur events to
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| 					// guarantee they will be firing in all situations. (#3068, #3222 )
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| 					CKEDITOR.event.useCapture = true;
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| 
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| 					focused.on( 'blur', function( ev ) {
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| 
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| 						// As we are using capture to register the listener,
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| 						// the blur event may get fired even when focusing
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| 						// inside the window itself, so we must ensure the
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| 						// target is out of it.
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| 						if ( !this.allowBlur() || ev.data.getPhase() != CKEDITOR.EVENT_PHASE_AT_TARGET )
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| 							return;
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| 
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| 						if ( this.visible && !this._.activeChild ) {
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| 							// Panel close is caused by user's navigating away the focus, e.g. click outside the panel.
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| 							// DO NOT restore focus in this case.
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| 							delete this._.returnFocus;
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| 							this.hide();
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| 						}
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| 					}, this );
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| 
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| 					focused.on( 'focus', function() {
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| 						this._.focused = true;
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| 						this.hideChild();
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| 						this.allowBlur( true );
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| 					}, this );
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| 
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| 					CKEDITOR.event.useCapture = false;
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| 
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| 					this._.blurSet = 1;
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| 				}
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| 
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| 				panel.onEscape = CKEDITOR.tools.bind( function( keystroke ) {
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| 					if ( this.onEscape && this.onEscape( keystroke ) === false )
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| 						return false;
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| 				}, this );
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| 
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| 				CKEDITOR.tools.setTimeout( function() {
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| 					var panelLoad = CKEDITOR.tools.bind( function() {
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| 						var target = element;
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| 
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| 						// Reset panel width as the new content can be narrower
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| 						// than the old one. (#9355)
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| 						target.removeStyle( 'width' );
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| 
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| 						if ( block.autoSize ) {
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| 							var panelDoc = block.element.getDocument();
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| 							var width = ( CKEDITOR.env.webkit? block.element : panelDoc.getBody() )[ '$' ].scrollWidth;
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| 
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| 							// Account for extra height needed due to IE quirks box model bug:
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| 							// http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
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| 							// (#3426)
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| 							if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && width > 0 )
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| 								width += ( target.$.offsetWidth || 0 ) - ( target.$.clientWidth || 0 ) + 3;
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| 
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| 							// Add some extra pixels to improve the appearance.
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| 							width += 10;
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| 
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| 							target.setStyle( 'width', width + 'px' );
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| 
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| 							var height = block.element.$.scrollHeight;
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| 
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| 							// Account for extra height needed due to IE quirks box model bug:
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| 							// http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
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| 							// (#3426)
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| 							if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && height > 0 )
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| 								height += ( target.$.offsetHeight || 0 ) - ( target.$.clientHeight || 0 ) + 3;
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| 
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| 							target.setStyle( 'height', height + 'px' );
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| 
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| 							// Fix IE < 8 visibility.
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| 							panel._.currentBlock.element.setStyle( 'display', 'none' ).removeStyle( 'display' );
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| 						} else
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| 							target.removeStyle( 'height' );
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| 
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| 						// Flip panel layout horizontally in RTL with known width.
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| 						if ( rtl )
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| 							left -= element.$.offsetWidth;
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| 
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| 						// Pop the style now for measurement.
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| 						element.setStyle( 'left', left + 'px' );
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| 
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| 						/* panel layout smartly fit the viewport size. */
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| 						var panelElement = panel.element,
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| 							panelWindow = panelElement.getWindow(),
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| 							rect = element.$.getBoundingClientRect(),
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| 							viewportSize = panelWindow.getViewPaneSize();
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| 
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| 						// Compensation for browsers that dont support "width" and "height".
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| 						var rectWidth = rect.width || rect.right - rect.left,
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| 							rectHeight = rect.height || rect.bottom - rect.top;
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| 
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| 						// Check if default horizontal layout is impossible.
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| 						var spaceAfter = rtl ? rect.right : viewportSize.width - rect.left,
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| 							spaceBefore = rtl ? viewportSize.width - rect.right : rect.left;
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| 
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| 						if ( rtl ) {
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| 							if ( spaceAfter < rectWidth ) {
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| 								// Flip to show on right.
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| 								if ( spaceBefore > rectWidth )
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| 									left += rectWidth;
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| 								// Align to window left.
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| 								else if ( viewportSize.width > rectWidth )
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| 									left = left - rect.left;
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| 								// Align to window right, never cutting the panel at right.
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| 								else
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| 									left = left - rect.right + viewportSize.width;
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| 							}
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| 						} else if ( spaceAfter < rectWidth ) {
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| 							// Flip to show on left.
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| 							if ( spaceBefore > rectWidth )
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| 								left -= rectWidth;
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| 							// Align to window right.
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| 							else if ( viewportSize.width > rectWidth )
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| 								left = left - rect.right + viewportSize.width;
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| 							// Align to window left, never cutting the panel at left.
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| 							else
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| 								left = left - rect.left;
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| 						}
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| 
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| 
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| 						// Check if the default vertical layout is possible.
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| 						var spaceBelow = viewportSize.height - rect.top,
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| 							spaceAbove = rect.top;
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| 
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| 						if ( spaceBelow < rectHeight ) {
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| 							// Flip to show above.
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| 							if ( spaceAbove > rectHeight )
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| 								top -= rectHeight;
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| 							// Align to window bottom.
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| 							else if ( viewportSize.height > rectHeight )
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| 								top = top - rect.bottom + viewportSize.height;
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| 							// Align to top, never cutting the panel at top.
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| 							else
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| 								top = top - rect.top;
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| 						}
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| 
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| 						// If IE is in RTL, we have troubles with absolute
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| 						// position and horizontal scrolls. Here we have a
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| 						// series of hacks to workaround it. (#6146)
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| 						if ( CKEDITOR.env.ie ) {
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| 							var offsetParent = new CKEDITOR.dom.element( element.$.offsetParent ),
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| 								scrollParent = offsetParent;
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| 
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| 							// Quirks returns <body>, but standards returns <html>.
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| 							if ( scrollParent.getName() == 'html' )
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| 								scrollParent = scrollParent.getDocument().getBody();
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| 
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| 							if ( scrollParent.getComputedStyle( 'direction' ) == 'rtl' ) {
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| 								// For IE8, there is not much logic on this, but it works.
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| 								if ( CKEDITOR.env.ie8Compat )
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| 									left -= element.getDocument().getDocumentElement().$.scrollLeft * 2;
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| 								else
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| 									left -= ( offsetParent.$.scrollWidth - offsetParent.$.clientWidth );
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| 							}
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| 						}
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| 
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| 						// Trigger the onHide event of the previously active panel to prevent
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| 						// incorrect styles from being applied (#6170)
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| 						var innerElement = element.getFirst(),
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| 							activePanel;
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| 						if ( ( activePanel = innerElement.getCustomData( 'activePanel' ) ) )
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| 							activePanel.onHide && activePanel.onHide.call( this, 1 );
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| 						innerElement.setCustomData( 'activePanel', this );
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| 
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| 						element.setStyles( {
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| 							top: top + 'px',
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| 							left: left + 'px'
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| 						} );
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| 						element.setOpacity( 1 );
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| 
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| 						callback && callback();
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| 					}, this );
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| 
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| 					panel.isLoaded ? panelLoad() : panel.onLoad = panelLoad;
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| 
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| 					CKEDITOR.tools.setTimeout( function() {
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| 						var scrollTop = CKEDITOR.env.webkit && CKEDITOR.document.getWindow().getScrollPosition().y;
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| 
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| 						// Focus the panel frame first, so blur gets fired.
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| 						this.focus();
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| 
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| 						// Focus the block now.
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| 						block.element.focus();
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| 
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| 						// #10623, #10951 - restore the viewport's scroll position after focusing list element.
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| 						if ( CKEDITOR.env.webkit )
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| 							CKEDITOR.document.getBody().$.scrollTop = scrollTop;
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| 
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| 						// We need this get fired manually because of unfired focus() function.
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| 						this.allowBlur( true );
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| 						this._.editor.fire( 'panelShow', this );
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| 					}, 0, this );
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| 				}, CKEDITOR.env.air ? 200 : 0, this );
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| 				this.visible = 1;
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| 
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| 				if ( this.onShow )
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| 					this.onShow.call( this );
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| 			},
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| 
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| 			/**
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| 			 * Restores last focused element or simply focus panel window.
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| 			 */
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| 			focus: function() {
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| 				// Webkit requires to blur any previous focused page element, in
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| 				// order to properly fire the "focus" event.
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| 				if ( CKEDITOR.env.webkit ) {
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| 					var active = CKEDITOR.document.getActive();
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| 					!active.equals( this._.iframe ) && active.$.blur();
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| 				}
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| 
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| 				// Restore last focused element or simply focus panel window.
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| 				var focus = this._.lastFocused || this._.iframe.getFrameDocument().getWindow();
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| 				focus.focus();
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| 			},
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| 
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| 			/**
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| 			 * @todo
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| 			 */
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| 			blur: function() {
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| 				var doc = this._.iframe.getFrameDocument(),
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| 					active = doc.getActive();
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| 
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| 				active.is( 'a' ) && ( this._.lastFocused = active );
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| 			},
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| 
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| 			/**
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| 			 * Hides panel.
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| 			 *
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| 			 * @todo
 | |
| 			 */
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| 			hide: function( returnFocus ) {
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| 				if ( this.visible && ( !this.onHide || this.onHide.call( this ) !== true ) ) {
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| 					this.hideChild();
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| 					// Blur previously focused element. (#6671)
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| 					CKEDITOR.env.gecko && this._.iframe.getFrameDocument().$.activeElement.blur();
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| 					this.element.setStyle( 'display', 'none' );
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| 					this.visible = 0;
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| 					this.element.getFirst().removeCustomData( 'activePanel' );
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| 
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| 					// Return focus properly. (#6247)
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| 					var focusReturn = returnFocus && this._.returnFocus;
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| 					if ( focusReturn ) {
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| 						// Webkit requires focus moved out panel iframe first.
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| 						if ( CKEDITOR.env.webkit && focusReturn.type )
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| 							focusReturn.getWindow().$.focus();
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| 
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| 						focusReturn.focus();
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| 					}
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| 
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| 					delete this._.lastFocused;
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| 
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| 					this._.editor.fire( 'panelHide', this );
 | |
| 				}
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| 			},
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| 
 | |
| 			/**
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| 			 * @todo
 | |
| 			 */
 | |
| 			allowBlur: function( allow ) // Prevent editor from hiding the panel. #3222.
 | |
| 			{
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| 				var panel = this._.panel;
 | |
| 				if ( allow != undefined )
 | |
| 					panel.allowBlur = allow;
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| 
 | |
| 				return panel.allowBlur;
 | |
| 			},
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| 
 | |
| 			/**
 | |
| 			 * Shows specified panel as a child of one block of this one.
 | |
| 			 *
 | |
| 			 * @param {CKEDITOR.ui.floatPanel} panel
 | |
| 			 * @param {String} blockName
 | |
| 			 * @param {CKEDITOR.dom.element} offsetParent Positioned parent.
 | |
| 			 * @param {Number} corner
 | |
| 			 *
 | |
| 			 * * For LTR (left to right) oriented editor:
 | |
| 			 *      * `1` = top-left
 | |
| 			 *      * `2` = top-right
 | |
| 			 *      * `3` = bottom-right
 | |
| 			 *      * `4` = bottom-left
 | |
| 			 * * For RTL (right to left):
 | |
| 			 *      * `1` = top-right
 | |
| 			 *      * `2` = top-left
 | |
| 			 *      * `3` = bottom-left
 | |
| 			 *      * `4` = bottom-right
 | |
| 			 *
 | |
| 			 * @param {Number} [offsetX=0]
 | |
| 			 * @param {Number} [offsetY=0]
 | |
| 			 * @todo
 | |
| 			 */
 | |
| 			showAsChild: function( panel, blockName, offsetParent, corner, offsetX, offsetY ) {
 | |
| 				// Skip reshowing of child which is already visible.
 | |
| 				if ( this._.activeChild == panel && panel._.panel._.offsetParentId == offsetParent.getId() )
 | |
| 					return;
 | |
| 
 | |
| 				this.hideChild();
 | |
| 
 | |
| 				panel.onHide = CKEDITOR.tools.bind( function() {
 | |
| 					// Use a timeout, so we give time for this menu to get
 | |
| 					// potentially focused.
 | |
| 					CKEDITOR.tools.setTimeout( function() {
 | |
| 						if ( !this._.focused )
 | |
| 							this.hide();
 | |
| 					}, 0, this );
 | |
| 				}, this );
 | |
| 
 | |
| 				this._.activeChild = panel;
 | |
| 				this._.focused = false;
 | |
| 
 | |
| 				panel.showBlock( blockName, offsetParent, corner, offsetX, offsetY );
 | |
| 				this.blur();
 | |
| 
 | |
| 				/* #3767 IE: Second level menu may not have borders */
 | |
| 				if ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) {
 | |
| 					setTimeout( function() {
 | |
| 						panel.element.getChild( 0 ).$.style.cssText += '';
 | |
| 					}, 100 );
 | |
| 				}
 | |
| 			},
 | |
| 
 | |
| 			/**
 | |
| 			 * @todo
 | |
| 			 */
 | |
| 			hideChild: function( restoreFocus ) {
 | |
| 				var activeChild = this._.activeChild;
 | |
| 
 | |
| 				if ( activeChild ) {
 | |
| 					delete activeChild.onHide;
 | |
| 					delete this._.activeChild;
 | |
| 					activeChild.hide();
 | |
| 
 | |
| 					// At this point focus should be moved back to parent panel.
 | |
| 					restoreFocus && this.focus();
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	} );
 | |
| 
 | |
| 	CKEDITOR.on( 'instanceDestroyed', function() {
 | |
| 		var isLastInstance = CKEDITOR.tools.isEmpty( CKEDITOR.instances );
 | |
| 
 | |
| 		for ( var i in panels ) {
 | |
| 			var panel = panels[ i ];
 | |
| 			// Safe to destroy it since there're no more instances.(#4241)
 | |
| 			if ( isLastInstance )
 | |
| 				panel.destroy();
 | |
| 			// Panel might be used by other instances, just hide them.(#4552)
 | |
| 			else
 | |
| 				panel.element.hide();
 | |
| 		}
 | |
| 		// Remove the registration.
 | |
| 		isLastInstance && ( panels = {} );
 | |
| 
 | |
| 	} );
 | |
| } )();
 |