/*

 * FCKeditor - The text editor for Internet - http://www.fckeditor.net

 * Copyright (C) 2003-2008 Frederico Caldeira Knabben

 *

 * == BEGIN LICENSE ==

 *

 * Licensed under the terms of any of the following licenses at your

 * choice:

 *

 *  - GNU General Public License Version 2 or later (the "GPL")

 *    http://www.gnu.org/licenses/gpl.html

 *

 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")

 *    http://www.gnu.org/licenses/lgpl.html

 *

 *  - Mozilla Public License Version 1.1 or later (the "MPL")

 *    http://www.mozilla.org/MPL/MPL-1.1.html

 *

 * == END LICENSE ==

 *

 * FCKToolbarPanelButton Class: Handles the Fonts combo selector.

 */



var FCKToolbarStyleCombo = function( tooltip, style )

{

	if ( tooltip === false )

		return ;



	this.CommandName = 'Style' ;

	this.Label		= this.GetLabel() ;

	this.Tooltip	= tooltip ? tooltip : this.Label ;

	this.Style		= style ? style : FCK_TOOLBARITEM_ICONTEXT ;



	this.DefaultLabel = FCKConfig.DefaultStyleLabel || '' ;

}



// Inherit from FCKToolbarSpecialCombo.

FCKToolbarStyleCombo.prototype = new FCKToolbarSpecialCombo ;



FCKToolbarStyleCombo.prototype.GetLabel = function()

{

	return FCKLang.Style ;

}



FCKToolbarStyleCombo.prototype.GetStyles = function()

{

	var styles = {} ;

	var allStyles = FCK.ToolbarSet.CurrentInstance.Styles.GetStyles() ;



	for ( var styleName in allStyles )

	{

		var style = allStyles[ styleName ] ;

		if ( !style.IsCore )

			styles[ styleName ] = style ;

	}

	return styles ;

}



FCKToolbarStyleCombo.prototype.CreateItems = function( targetSpecialCombo )

{

	var targetDoc = targetSpecialCombo._Panel.Document ;



	// Add the Editor Area CSS to the panel so the style classes are previewed correctly.

	FCKTools.AppendStyleSheet( targetDoc, FCKConfig.ToolbarComboPreviewCSS ) ;

	FCKTools.AppendStyleString( targetDoc, FCKConfig.EditorAreaStyles ) ;

	targetDoc.body.className += ' ForceBaseFont' ;



	// Add ID and Class to the body.

	FCKConfig.ApplyBodyAttributes( targetDoc.body ) ;



	// Get the styles list.

	var styles = this.GetStyles() ;



	for ( var styleName in styles )

	{

		var style = styles[ styleName ] ;



		// Object type styles have no preview.

		var caption = style.GetType() == FCK_STYLE_OBJECT ?

			styleName :

			FCKToolbarStyleCombo_BuildPreview( style, style.Label || styleName ) ;



		var item = targetSpecialCombo.AddItem( styleName, caption ) ;



		item.Style = style ;

	}



	// We must prepare the list before showing it.

	targetSpecialCombo.OnBeforeClick = this.StyleCombo_OnBeforeClick ;

}



FCKToolbarStyleCombo.prototype.RefreshActiveItems = function( targetSpecialCombo )

{

	var startElement = FCK.ToolbarSet.CurrentInstance.Selection.GetBoundaryParentElement( true ) ;



	if ( startElement )

	{

		var path = new FCKElementPath( startElement ) ;

		var elements = path.Elements ;



		for ( var e = 0 ; e < elements.length ; e++ )

		{

			for ( var i in targetSpecialCombo.Items )

			{

				var item = targetSpecialCombo.Items[i] ;

				var style = item.Style ;



				if ( style.CheckElementRemovable( elements[ e ], true ) )

				{

					targetSpecialCombo.SetLabel( style.Label || style.Name ) ;

					return ;

				}

			}

		}

	}



	targetSpecialCombo.SetLabel( this.DefaultLabel ) ;

}



FCKToolbarStyleCombo.prototype.StyleCombo_OnBeforeClick = function( targetSpecialCombo )

{

	// Two things are done here:

	//	- In a control selection, get the element name, so we'll display styles

	//	  for that element only.

	//	- Select the styles that are active for the current selection.



	// Clear the current selection.

	targetSpecialCombo.DeselectAll() ;



	var startElement ;

	var path ;

	var tagName ;



	var selection = FCK.ToolbarSet.CurrentInstance.Selection ;



	if ( selection.GetType() == 'Control' )

	{

		startElement = selection.GetSelectedElement() ;

		tagName = startElement.nodeName.toLowerCase() ;

	}

	else

	{

		startElement = selection.GetBoundaryParentElement( true ) ;

		path = new FCKElementPath( startElement ) ;

	}



	for ( var i in targetSpecialCombo.Items )

	{

		var item = targetSpecialCombo.Items[i] ;

		var style = item.Style ;



		if ( ( tagName && style.Element == tagName ) || ( !tagName && style.GetType() != FCK_STYLE_OBJECT ) )

		{

			item.style.display = '' ;



			if ( ( path && style.CheckActive( path ) ) || ( !path && style.CheckElementRemovable( startElement, true ) ) )

				targetSpecialCombo.SelectItem( style.Name ) ;

		}

		else

			item.style.display = 'none' ;

	}

}



function FCKToolbarStyleCombo_BuildPreview( style, caption )

{

	var styleType = style.GetType() ;

	var html = [] ;



	if ( styleType == FCK_STYLE_BLOCK )

		html.push( '<div class="BaseFont">' ) ;



	var elementName = style.Element ;



	// Avoid <bdo> in the preview.

	if ( elementName == 'bdo' )

		elementName = 'span' ;



	html = [ '<', elementName ] ;



	// Assign all defined attributes.

	var attribs	= style._StyleDesc.Attributes ;

	if ( attribs )

	{

		for ( var att in attribs )

		{

			html.push( ' ', att, '="', style.GetFinalAttributeValue( att ), '"' ) ;

		}

	}



	// Assign the style attribute.

	if ( style._GetStyleText().length > 0 )

		html.push( ' style="', style.GetFinalStyleValue(), '"' ) ;



	html.push( '>', caption, '</', elementName, '>' ) ;



	if ( styleType == FCK_STYLE_BLOCK )

		html.push( '</div>' ) ;



	return html.join( '' ) ;

}

