| 1 | /*
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| 2 | Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | CKEDITOR.command = function( editor, commandDefinition )
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| 7 | {
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| 8 | this.uiItems = [];
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| 9 |
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| 10 | this.exec = function( data )
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| 11 | {
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| 12 | if ( this.state == CKEDITOR.TRISTATE_DISABLED )
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| 13 | return false;
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| 14 |
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| 15 | if( this.editorFocus ) // Give editor focus if necessary (#4355).
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| 16 | editor.focus();
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| 17 |
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| 18 | return ( commandDefinition.exec.call( this, editor, data ) !== false );
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| 19 | };
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| 20 |
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| 21 | CKEDITOR.tools.extend( this, commandDefinition,
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| 22 | // Defaults
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| 23 | {
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| 24 | modes : { wysiwyg : 1 },
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| 25 | editorFocus : true,
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| 26 | state : CKEDITOR.TRISTATE_OFF
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| 27 | });
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| 28 |
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| 29 | // Call the CKEDITOR.event constructor to initialize this instance.
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| 30 | CKEDITOR.event.call( this );
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| 31 | };
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| 32 |
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| 33 | CKEDITOR.command.prototype =
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| 34 | {
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| 35 | enable : function()
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| 36 | {
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| 37 | if ( this.state == CKEDITOR.TRISTATE_DISABLED )
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| 38 | this.setState( ( !this.preserveState || ( typeof this.previousState == 'undefined' ) ) ? CKEDITOR.TRISTATE_OFF : this.previousState );
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| 39 | },
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| 40 |
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| 41 | disable : function()
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| 42 | {
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| 43 | this.setState( CKEDITOR.TRISTATE_DISABLED );
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| 44 | },
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| 45 |
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| 46 | setState : function( newState )
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| 47 | {
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| 48 | // Do nothing if there is no state change.
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| 49 | if ( this.state == newState )
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| 50 | return false;
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| 51 |
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| 52 | this.previousState = this.state;
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| 53 |
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| 54 | // Set the new state.
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| 55 | this.state = newState;
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| 56 |
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| 57 | // Fire the "state" event, so other parts of the code can react to the
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| 58 | // change.
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| 59 | this.fire( 'state' );
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| 60 |
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| 61 | return true;
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| 62 | },
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| 63 |
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| 64 | toggleState : function()
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| 65 | {
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| 66 | if ( this.state == CKEDITOR.TRISTATE_OFF )
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| 67 | this.setState( CKEDITOR.TRISTATE_ON );
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| 68 | else if ( this.state == CKEDITOR.TRISTATE_ON )
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| 69 | this.setState( CKEDITOR.TRISTATE_OFF );
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| 70 | }
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| 71 | };
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| 72 |
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| 73 | CKEDITOR.event.implementOn( CKEDITOR.command.prototype, true );
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