74 lines
1.7 KiB
JavaScript
74 lines
1.7 KiB
JavaScript
/*
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Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
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For licensing, see LICENSE.html or http://ckeditor.com/license
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*/
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CKEDITOR.command = function( editor, commandDefinition )
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{
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this.uiItems = [];
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this.exec = function( data )
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{
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if ( this.state == CKEDITOR.TRISTATE_DISABLED )
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return false;
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if ( this.editorFocus ) // Give editor focus if necessary (#4355).
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editor.focus();
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return ( commandDefinition.exec.call( this, editor, data ) !== false );
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};
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CKEDITOR.tools.extend( this, commandDefinition,
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// Defaults
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{
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modes : { wysiwyg : 1 },
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editorFocus : true,
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state : CKEDITOR.TRISTATE_OFF
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});
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// Call the CKEDITOR.event constructor to initialize this instance.
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CKEDITOR.event.call( this );
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};
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CKEDITOR.command.prototype =
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{
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enable : function()
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{
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if ( this.state == CKEDITOR.TRISTATE_DISABLED )
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this.setState( ( !this.preserveState || ( typeof this.previousState == 'undefined' ) ) ? CKEDITOR.TRISTATE_OFF : this.previousState );
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},
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disable : function()
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{
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this.setState( CKEDITOR.TRISTATE_DISABLED );
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},
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setState : function( newState )
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{
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// Do nothing if there is no state change.
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if ( this.state == newState )
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return false;
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this.previousState = this.state;
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// Set the new state.
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this.state = newState;
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// Fire the "state" event, so other parts of the code can react to the
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// change.
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this.fire( 'state' );
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return true;
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},
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toggleState : function()
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{
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if ( this.state == CKEDITOR.TRISTATE_OFF )
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this.setState( CKEDITOR.TRISTATE_ON );
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else if ( this.state == CKEDITOR.TRISTATE_ON )
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this.setState( CKEDITOR.TRISTATE_OFF );
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}
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};
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CKEDITOR.event.implementOn( CKEDITOR.command.prototype, true );
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