441 lines
14 KiB
JavaScript
441 lines
14 KiB
JavaScript
/**
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* @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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*/
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( function() {
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var template = '<a id="{id}"' +
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' class="cke_button cke_button__{name} cke_button_{state} {cls}"' +
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( CKEDITOR.env.gecko && !CKEDITOR.env.hc ? '' : ' href="javascript:void(\'{titleJs}\')"' ) +
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' title="{title}"' +
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' tabindex="-1"' +
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' hidefocus="true"' +
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' role="button"' +
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' aria-labelledby="{id}_label"' +
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' aria-describedby="{id}_description"' +
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' aria-haspopup="{hasArrow}"' +
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' aria-disabled="{ariaDisabled}"';
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// Some browsers don't cancel key events in the keydown but in the
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// keypress.
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// TODO: Check if really needed.
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if ( CKEDITOR.env.gecko && CKEDITOR.env.mac )
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template += ' onkeypress="return false;"';
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// With Firefox, we need to force the button to redraw, otherwise it
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// will remain in the focus state.
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if ( CKEDITOR.env.gecko )
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template += ' onblur="this.style.cssText = this.style.cssText;"';
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template += ' onkeydown="return CKEDITOR.tools.callFunction({keydownFn},event);"' +
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' onfocus="return CKEDITOR.tools.callFunction({focusFn},event);" ' +
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( CKEDITOR.env.ie ? 'onclick="return false;" onmouseup' : 'onclick' ) + // https://dev.ckeditor.com/ticket/188
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'="CKEDITOR.tools.callFunction({clickFn},this);return false;">' +
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'<span class="cke_button_icon cke_button__{iconName}_icon" style="{style}"';
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template += '> </span>' +
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'<span id="{id}_label" class="cke_button_label cke_button__{name}_label" aria-hidden="false">{label}</span>' +
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'<span id="{id}_description" class="cke_button_label" aria-hidden="false">{ariaShortcut}</span>' +
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'{arrowHtml}' +
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'</a>';
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var templateArrow = '<span class="cke_button_arrow">' +
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// BLACK DOWN-POINTING TRIANGLE
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( CKEDITOR.env.hc ? '▼' : '' ) +
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'</span>';
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var btnArrowTpl = CKEDITOR.addTemplate( 'buttonArrow', templateArrow ),
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btnTpl = CKEDITOR.addTemplate( 'button', template );
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CKEDITOR.plugins.add( 'button', {
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// jscs:disable maximumLineLength
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lang: 'af,ar,az,bg,ca,cs,da,de,de-ch,el,en,en-au,en-gb,eo,es,es-mx,eu,fa,fi,fr,gl,he,hr,hu,id,it,ja,km,ko,ku,lt,nb,nl,no,oc,pl,pt,pt-br,ro,ru,sk,sl,sq,sv,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
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// jscs:enable maximumLineLength
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beforeInit: function( editor ) {
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editor.ui.addHandler( CKEDITOR.UI_BUTTON, CKEDITOR.ui.button.handler );
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}
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} );
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/**
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* Button UI element.
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*
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* @readonly
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* @property {String} [='button']
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* @member CKEDITOR
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*/
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CKEDITOR.UI_BUTTON = 'button';
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/**
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* Represents a button UI element. This class should not be called directly. To
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* create new buttons use {@link CKEDITOR.ui#addButton} instead.
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*
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* @class
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* @constructor Creates a button class instance.
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* @param {Object} definition The button definition.
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*/
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CKEDITOR.ui.button = function( definition ) {
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CKEDITOR.tools.extend( this, definition,
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// Set defaults.
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{
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title: definition.label,
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click: definition.click ||
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function( editor ) {
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editor.execCommand( definition.command );
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}
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} );
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this._ = {};
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};
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/**
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* Represents the button handler object.
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*
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* @class
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* @singleton
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* @extends CKEDITOR.ui.handlerDefinition
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*/
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CKEDITOR.ui.button.handler = {
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/**
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* Transforms a button definition into a {@link CKEDITOR.ui.button} instance.
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*
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* @member CKEDITOR.ui.button.handler
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* @param {Object} definition
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* @returns {CKEDITOR.ui.button}
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*/
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create: function( definition ) {
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return new CKEDITOR.ui.button( definition );
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}
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};
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/** @class CKEDITOR.ui.button */
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CKEDITOR.ui.button.prototype = {
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/**
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* Renders the button.
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*
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* @param {CKEDITOR.editor} editor The editor instance which this button is
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* to be used by.
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* @param {Array} output The output array to which the HTML code related to
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* this button should be appended.
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*/
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render: function( editor, output ) {
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var modeStates = null;
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function updateState() {
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// "this" is a CKEDITOR.ui.button instance.
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var mode = editor.mode;
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if ( mode ) {
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// Restore saved button state.
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var state = this.modes[ mode ] ? modeStates[ mode ] !== undefined ? modeStates[ mode ] : CKEDITOR.TRISTATE_OFF : CKEDITOR.TRISTATE_DISABLED;
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state = editor.readOnly && !this.readOnly ? CKEDITOR.TRISTATE_DISABLED : state;
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this.setState( state );
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// Let plugin to disable button.
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if ( this.refresh )
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this.refresh();
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}
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}
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var env = CKEDITOR.env,
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id = this._.id = CKEDITOR.tools.getNextId(),
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stateName = '',
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command = this.command,
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// Get the command name.
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clickFn,
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keystroke,
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shortcut;
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this._.editor = editor;
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var instance = {
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id: id,
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button: this,
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editor: editor,
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focus: function() {
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var element = CKEDITOR.document.getById( id );
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element.focus();
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},
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execute: function() {
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this.button.click( editor );
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},
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attach: function( editor ) {
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this.button.attach( editor );
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}
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};
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var keydownFn = CKEDITOR.tools.addFunction( function( ev ) {
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if ( instance.onkey ) {
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ev = new CKEDITOR.dom.event( ev );
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return ( instance.onkey( instance, ev.getKeystroke() ) !== false );
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}
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} );
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var focusFn = CKEDITOR.tools.addFunction( function( ev ) {
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var retVal;
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if ( instance.onfocus )
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retVal = ( instance.onfocus( instance, new CKEDITOR.dom.event( ev ) ) !== false );
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return retVal;
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} );
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var selLocked = 0;
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instance.clickFn = clickFn = CKEDITOR.tools.addFunction( function() {
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// Restore locked selection in Opera.
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if ( selLocked ) {
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editor.unlockSelection( 1 );
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selLocked = 0;
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}
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instance.execute();
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// Fixed iOS focus issue when your press disabled button (https://dev.ckeditor.com/ticket/12381).
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if ( env.iOS ) {
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editor.focus();
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}
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} );
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// Indicate a mode sensitive button.
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if ( this.modes ) {
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modeStates = {};
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editor.on( 'beforeModeUnload', function() {
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if ( editor.mode && this._.state != CKEDITOR.TRISTATE_DISABLED )
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modeStates[ editor.mode ] = this._.state;
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}, this );
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// Update status when activeFilter, mode or readOnly changes.
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editor.on( 'activeFilterChange', updateState, this );
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editor.on( 'mode', updateState, this );
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// If this button is sensitive to readOnly state, update it accordingly.
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!this.readOnly && editor.on( 'readOnly', updateState, this );
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} else if ( command ) {
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// Get the command instance.
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command = editor.getCommand( command );
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if ( command ) {
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command.on( 'state', function() {
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this.setState( command.state );
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}, this );
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stateName += ( command.state == CKEDITOR.TRISTATE_ON ? 'on' : command.state == CKEDITOR.TRISTATE_DISABLED ? 'disabled' : 'off' );
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}
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}
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var iconName;
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// For button that has text-direction awareness on selection path.
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if ( this.directional ) {
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editor.on( 'contentDirChanged', function( evt ) {
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var el = CKEDITOR.document.getById( this._.id ),
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icon = el.getFirst();
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var pathDir = evt.data;
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// Make a minor direction change to become style-able for the skin icon.
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if ( pathDir != editor.lang.dir )
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el.addClass( 'cke_' + pathDir );
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else
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el.removeClass( 'cke_ltr' ).removeClass( 'cke_rtl' );
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// Inline style update for the plugin icon.
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icon.setAttribute( 'style', CKEDITOR.skin.getIconStyle( iconName, pathDir == 'rtl', this.icon, this.iconOffset ) );
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}, this );
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}
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if ( !command ) {
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stateName += 'off';
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} else {
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keystroke = editor.getCommandKeystroke( command );
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if ( keystroke ) {
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shortcut = CKEDITOR.tools.keystrokeToString( editor.lang.common.keyboard, keystroke );
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}
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}
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var name = this.name || this.command,
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iconPath = null,
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overridePath = this.icon;
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iconName = name;
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// Check if we're pointing to an icon defined by another command. (https://dev.ckeditor.com/ticket/9555)
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if ( this.icon && !( /\./ ).test( this.icon ) ) {
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iconName = this.icon;
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overridePath = null;
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} else {
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// Register and use custom icon for button (#1530).
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if ( this.icon ) {
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iconPath = this.icon;
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}
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if ( CKEDITOR.env.hidpi && this.iconHiDpi ) {
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iconPath = this.iconHiDpi;
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}
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}
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if ( iconPath ) {
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CKEDITOR.skin.addIcon( iconPath, iconPath );
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overridePath = null;
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} else {
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iconPath = iconName;
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}
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var params = {
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id: id,
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name: name,
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iconName: iconName,
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label: this.label,
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cls: this.className || '',
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state: stateName,
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ariaDisabled: stateName == 'disabled' ? 'true' : 'false',
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title: this.title + ( shortcut ? ' (' + shortcut.display + ')' : '' ),
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ariaShortcut: shortcut ? editor.lang.common.keyboardShortcut + ' ' + shortcut.aria : '',
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titleJs: env.gecko && !env.hc ? '' : ( this.title || '' ).replace( "'", '' ),
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hasArrow: this.hasArrow ? 'true' : 'false',
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keydownFn: keydownFn,
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focusFn: focusFn,
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clickFn: clickFn,
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style: CKEDITOR.skin.getIconStyle( iconPath, ( editor.lang.dir == 'rtl' ), overridePath, this.iconOffset ),
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arrowHtml: this.hasArrow ? btnArrowTpl.output() : ''
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};
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btnTpl.output( params, output );
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if ( this.onRender )
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this.onRender();
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return instance;
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},
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/**
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* Sets the button state.
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*
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* @param {Number} state Indicates the button state. One of {@link CKEDITOR#TRISTATE_ON},
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* {@link CKEDITOR#TRISTATE_OFF}, or {@link CKEDITOR#TRISTATE_DISABLED}.
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*/
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setState: function( state ) {
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if ( this._.state == state )
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return false;
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this._.state = state;
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var element = CKEDITOR.document.getById( this._.id );
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if ( element ) {
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element.setState( state, 'cke_button' );
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state == CKEDITOR.TRISTATE_DISABLED ?
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element.setAttribute( 'aria-disabled', true ) :
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element.removeAttribute( 'aria-disabled' );
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if ( !this.hasArrow ) {
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// Note: aria-pressed attribute should not be added to menuButton instances. (https://dev.ckeditor.com/ticket/11331)
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state == CKEDITOR.TRISTATE_ON ?
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element.setAttribute( 'aria-pressed', true ) :
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element.removeAttribute( 'aria-pressed' );
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} else {
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var newLabel = state == CKEDITOR.TRISTATE_ON ?
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this._.editor.lang.button.selectedLabel.replace( /%1/g, this.label ) : this.label;
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CKEDITOR.document.getById( this._.id + '_label' ).setText( newLabel );
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}
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return true;
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} else {
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return false;
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}
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},
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/**
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* Gets the button state.
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*
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* @returns {Number} The button state. One of {@link CKEDITOR#TRISTATE_ON},
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* {@link CKEDITOR#TRISTATE_OFF}, or {@link CKEDITOR#TRISTATE_DISABLED}.
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*/
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getState: function() {
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return this._.state;
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},
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/**
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* Returns this button's {@link CKEDITOR.feature} instance.
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*
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* It may be this button instance if it has at least one of
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* `allowedContent` and `requiredContent` properties. Otherwise,
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* if a command is bound to this button by the `command` property, then
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* that command will be returned.
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*
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* This method implements the {@link CKEDITOR.feature#toFeature} interface method.
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*
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* @since 4.1
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* @param {CKEDITOR.editor} Editor instance.
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* @returns {CKEDITOR.feature} The feature.
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*/
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toFeature: function( editor ) {
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if ( this._.feature )
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return this._.feature;
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var feature = this;
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// If button isn't a feature, return command if is bound.
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if ( !this.allowedContent && !this.requiredContent && this.command )
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feature = editor.getCommand( this.command ) || feature;
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return this._.feature = feature;
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}
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};
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/**
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* Adds a button definition to the UI elements list.
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*
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* editorInstance.ui.addButton( 'MyBold', {
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* label: 'My Bold',
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* command: 'bold',
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* toolbar: 'basicstyles,1'
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* } );
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*
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* @member CKEDITOR.ui
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* @param {String} name The button name.
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* @param {Object} definition The button definition.
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* @param {String} definition.label The textual part of the button (if visible) and its tooltip.
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* @param {String} definition.command The command to be executed once the button is activated.
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* @param {String} definition.toolbar The {@link CKEDITOR.config#toolbarGroups toolbar group} into which
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* the button will be added. An optional index value (separated by a comma) determines the button position within the group.
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* @param {String} definition.icon The path to a custom icon or icon name registered by another plugin. Custom icon paths
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* are supported since the **4.9.0** version.
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*
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* To use icon registered by another plugin, icon parameter should be used like:
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*
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* editor.ui.addButton( 'my_button', {
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* icon: 'Link' // Uses link icon from Link plugin.
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* } );
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*
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* If the plugin provides a HiDPI version of an icon, it will be used for HiDPI displays (so defining `iconHiDpi` is not needed
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* in this case).
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*
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* To use a custom icon, the path to the icon should be provided:
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*
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* editor.ui.addButton( 'my_button', {
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* icon: 'assets/icons/my_button.png'
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* } )
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*
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* This icon will be used for both standard and HiDPI displays unless `iconHiDpi` is explicitly defined.
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* **Important**: CKEditor will resolve relative paths based on {@link CKEDITOR#basePath}.
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* @param {String} definition.iconHiDpi The path to the custom HiDPI icon version. Supported since **4.9.0** version.
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* It will be used only in HiDPI environments. The usage is similar to the `icon` parameter:
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*
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* editor.ui.addButton( 'my_button', {
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* iconHiDpi: 'assets/icons/my_button.hidpi.png'
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* } )
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*/
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CKEDITOR.ui.prototype.addButton = function( name, definition ) {
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this.add( name, CKEDITOR.UI_BUTTON, definition );
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};
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} )();
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