549 lines
17 KiB
JavaScript
549 lines
17 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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CKEDITOR.plugins.add( 'floatpanel', {
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requires: 'panel'
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} );
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( function() {
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var panels = {};
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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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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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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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return panel;
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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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// 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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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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// Disable native browser menu. (#4825)
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element.disableContextMenu();
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this.element = element;
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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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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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// 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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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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* @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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* @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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* 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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this.allowBlur( false );
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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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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.$.contentWindow ),
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doc = element.getDocument(),
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positionedAncestor = this._.parentElement.getPositionedAncestor(),
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position = offsetParent.getDocumentPosition( doc ),
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positionedAncestorPosition = positionedAncestor ? positionedAncestor.getDocumentPosition( doc ) : { x: 0, y: 0 },
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rtl = this._.dir == 'rtl',
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left = position.x + ( offsetX || 0 ) - positionedAncestorPosition.x,
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top = position.y + ( offsetY || 0 ) - positionedAncestorPosition.y;
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// Floating panels are off by (-1px, 0px) in RTL mode. (#3438)
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if ( rtl && ( corner == 1 || corner == 4 ) )
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left += offsetParent.$.offsetWidth;
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else if ( !rtl && ( corner == 2 || corner == 3 ) )
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left += offsetParent.$.offsetWidth - 1;
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if ( corner == 3 || corner == 4 )
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top += offsetParent.$.offsetHeight - 1;
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// Memorize offsetParent by it's ID.
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this._.panel._.offsetParentId = offsetParent.getId();
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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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// 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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// To allow the context menu to decrease back their width
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element.getFirst().removeStyle( 'width' );
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// Report to focus manager.
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this._.editor.focusManager.add( focused );
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// Configure the IFrame blur event. Do that only once.
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if ( !this._.blurSet ) {
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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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focused.on( 'blur', function( ev ) {
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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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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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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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CKEDITOR.event.useCapture = false;
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this._.blurSet = 1;
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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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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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// 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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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() )[ '$' ].scrollWidth;
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// Account for extra height needed due to IE quirks box model bug:
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// http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
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// (#3426)
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if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && width > 0 )
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width += ( target.$.offsetWidth || 0 ) - ( target.$.clientWidth || 0 ) + 3;
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// Add some extra pixels to improve the appearance.
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width += 10;
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target.setStyle( 'width', width + 'px' );
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var height = block.element.$.scrollHeight;
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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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target.setStyle( 'height', height + 'px' );
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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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// Flip panel layout horizontally in RTL with known width.
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if ( rtl )
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left -= element.$.offsetWidth;
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// Pop the style now for measurement.
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element.setStyle( 'left', left + 'px' );
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/* panel layout smartly fit the viewport size. */
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var panelElement = panel.element,
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panelWindow = panelElement.getWindow(),
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rect = element.$.getBoundingClientRect(),
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viewportSize = panelWindow.getViewPaneSize();
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// 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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// 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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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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// 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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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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// 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.$.offsetParent ),
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scrollParent = offsetParent;
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// Quirks returns <body>, but standards returns <html>.
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if ( scrollParent.getName() == 'html' )
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scrollParent = scrollParent.getDocument().getBody();
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if ( scrollParent.getComputedStyle( 'direction' ) == 'rtl' ) {
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// For IE8, there is not much logic on this, but it works.
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if ( CKEDITOR.env.ie8Compat )
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left -= element.getDocument().getDocumentElement().$.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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// 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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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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callback && callback();
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}, this );
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panel.isLoaded ? panelLoad() : panel.onLoad = panelLoad;
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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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// Focus the panel frame first, so blur gets fired.
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this.focus();
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// Focus the block now.
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block.element.focus();
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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().$.scrollTop = scrollTop;
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// We need this get fired manually because of unfired focus() function.
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this.allowBlur( true );
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this._.editor.fire( 'panelShow', this );
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}, 0, this );
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}, CKEDITOR.env.air ? 200 : 0, this );
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this.visible = 1;
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if ( this.onShow )
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this.onShow.call( this );
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},
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/**
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* Restores last focused element or simply focus panel window.
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*/
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focus: function() {
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// Webkit requires to blur any previous focused page element, in
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// order to properly fire the "focus" event.
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if ( CKEDITOR.env.webkit ) {
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var active = CKEDITOR.document.getActive();
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!active.equals( this._.iframe ) && active.$.blur();
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}
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// 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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* @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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active.is( 'a' ) && ( this._.lastFocused = active );
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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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*/
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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().$.activeElement.blur();
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this.element.setStyle( 'display', 'none' );
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this.visible = 0;
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this.element.getFirst().removeCustomData( 'activePanel' );
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// Return focus properly. (#6247)
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var focusReturn = returnFocus && this._.returnFocus;
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if ( focusReturn ) {
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// Webkit requires focus moved out panel iframe first.
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if ( CKEDITOR.env.webkit && focusReturn.type )
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focusReturn.getWindow().$.focus();
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focusReturn.focus();
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}
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delete this._.lastFocused;
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this._.editor.fire( 'panelHide', this );
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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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allowBlur: function( allow ) // Prevent editor from hiding the panel. #3222.
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{
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var panel = this._.panel;
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if ( allow != undefined )
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panel.allowBlur = allow;
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return panel.allowBlur;
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},
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/**
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* Shows specified panel as a child of one block of this one.
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*
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* @param {CKEDITOR.ui.floatPanel} panel
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* @param {String} blockName
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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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* @todo
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*/
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showAsChild: function( panel, blockName, offsetParent, corner, offsetX, offsetY ) {
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// Skip reshowing of child which is already visible.
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if ( this._.activeChild == panel && panel._.panel._.offsetParentId == offsetParent.getId() )
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return;
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this.hideChild();
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panel.onHide = CKEDITOR.tools.bind( function() {
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// Use a timeout, so we give time for this menu to get
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// potentially focused.
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CKEDITOR.tools.setTimeout( function() {
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if ( !this._.focused )
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this.hide();
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}, 0, this );
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}, this );
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this._.activeChild = panel;
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this._.focused = false;
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panel.showBlock( blockName, offsetParent, corner, offsetX, offsetY );
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this.blur();
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/* #3767 IE: Second level menu may not have borders */
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if ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) {
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setTimeout( function() {
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panel.element.getChild( 0 ).$.style.cssText += '';
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}, 100 );
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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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hideChild: function( restoreFocus ) {
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var activeChild = this._.activeChild;
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if ( activeChild ) {
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delete activeChild.onHide;
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delete this._.activeChild;
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activeChild.hide();
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// At this point focus should be moved back to parent panel.
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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 = {} );
|
|
|
|
} );
|
|
} )();
|