/*
 * 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 ==
 *
 * FCKSpecialCombo Class: represents a special combo.
 */

var FCKSpecialCombo = function( caption, fieldWidth, panelWidth, panelMaxHeight, parentWindow )
{
    // Default properties values.
    this.FieldWidth        = fieldWidth || 100 ;
    this.PanelWidth        = panelWidth || 150 ;
    this.PanelMaxHeight    = panelMaxHeight || 150 ;
    this.Label            = '&nbsp;' ;
    this.Caption        = caption ;
    this.Tooltip        = caption ;
    this.Style            = FCK_TOOLBARITEM_ICONTEXT ;

    this.Enabled = true ;

    this.Items = new Object() ;

    this._Panel = new FCKPanel( parentWindow || window ) ;
    this._Panel.AppendStyleSheet( FCKConfig.SkinEditorCSS ) ;
    this._PanelBox = this._Panel.MainNode.appendChild( this._Panel.Document.createElement( 'DIV' ) ) ;
    this._PanelBox.className = 'SC_Panel' ;
    this._PanelBox.style.width = this.PanelWidth + 'px' ;

    this._PanelBox.innerHTML = '<table cellpadding="0" cellspacing="0" width="100%" style="TABLE-LAYOUT: fixed"><tr><td nowrap></td></tr></table>' ;

    this._ItemsHolderEl = this._PanelBox.getElementsByTagName('TD')[0] ;

    if ( FCK.IECleanup )
        FCK.IECleanup.AddItem( this, FCKSpecialCombo_Cleanup ) ;

//    this._Panel.StyleSheet = FCKConfig.SkinPath + 'fck_contextmenu.css' ;
//    this._Panel.Create() ;
//    this._Panel.PanelDiv.className += ' SC_Panel' ;
//    this._Panel.PanelDiv.innerHTML = '<table cellpadding="0" cellspacing="0" width="100%" style="TABLE-LAYOUT: fixed"><tr><td nowrap></td></tr></table>' ;
//    this._ItemsHolderEl = this._Panel.PanelDiv.getElementsByTagName('TD')[0] ;
}

function FCKSpecialCombo_ItemOnMouseOver()
{
    this.className += ' SC_ItemOver' ;
}

function FCKSpecialCombo_ItemOnMouseOut()
{
    this.className = this.originalClass ;
}

function FCKSpecialCombo_ItemOnClick( ev, specialCombo, itemId )
{
    this.className = this.originalClass ;

    specialCombo._Panel.Hide() ;

    specialCombo.SetLabel( this.FCKItemLabel ) ;

    if ( typeof( specialCombo.OnSelect ) == 'function' )
        specialCombo.OnSelect( itemId, this ) ;
}

FCKSpecialCombo.prototype.ClearItems = function ()
{
    if ( this.Items )
        this.Items = {} ;

    var itemsholder = this._ItemsHolderEl ;
    while ( itemsholder.firstChild )
        itemsholder.removeChild( itemsholder.firstChild ) ;
}

FCKSpecialCombo.prototype.AddItem = function( id, html, label, bgColor )
{
    // <div class="SC_Item" onmouseover="this.className='SC_Item SC_ItemOver';" onmouseout="this.className='SC_Item';"><b>Bold 1</b></div>
    var oDiv = this._ItemsHolderEl.appendChild( this._Panel.Document.createElement( 'DIV' ) ) ;
    oDiv.className = oDiv.originalClass = 'SC_Item' ;
    oDiv.innerHTML = html ;
    oDiv.FCKItemLabel = label || id ;
    oDiv.Selected = false ;

    // In IE, the width must be set so the borders are shown correctly when the content overflows.
    if ( FCKBrowserInfo.IsIE )
        oDiv.style.width = '100%' ;

    if ( bgColor )
        oDiv.style.backgroundColor = bgColor ;

    FCKTools.AddEventListenerEx( oDiv, 'mouseover', FCKSpecialCombo_ItemOnMouseOver ) ;
    FCKTools.AddEventListenerEx( oDiv, 'mouseout', FCKSpecialCombo_ItemOnMouseOut ) ;
    FCKTools.AddEventListenerEx( oDiv, 'click', FCKSpecialCombo_ItemOnClick, [ this, id ] ) ;

    this.Items[ id.toString().toLowerCase() ] = oDiv ;

    return oDiv ;
}

FCKSpecialCombo.prototype.SelectItem = function( item )
{
    if ( typeof item == 'string' )
        item = this.Items[ item.toString().toLowerCase() ] ;

    if ( item )
    {
        item.className = item.originalClass = 'SC_ItemSelected' ;
        item.Selected = true ;
    }
}

FCKSpecialCombo.prototype.SelectItemByLabel = function( itemLabel, setLabel )
{
    for ( var id in this.Items )
    {
        var oDiv = this.Items[id] ;

        if ( oDiv.FCKItemLabel == itemLabel )
        {
            oDiv.className = oDiv.originalClass = 'SC_ItemSelected' ;
            oDiv.Selected = true ;

            if ( setLabel )
                this.SetLabel( itemLabel ) ;
        }
    }
}

FCKSpecialCombo.prototype.DeselectAll = function( clearLabel )
{
    for ( var i in this.Items )
    {
        if ( !this.Items[i] ) continue;
        this.Items[i].className = this.Items[i].originalClass = 'SC_Item' ;
        this.Items[i].Selected = false ;
    }

    if ( clearLabel )
        this.SetLabel( '' ) ;
}

FCKSpecialCombo.prototype.SetLabelById = function( id )
{
    id = id ? id.toString().toLowerCase() : '' ;

    var oDiv = this.Items[ id ] ;
    this.SetLabel( oDiv ? oDiv.FCKItemLabel : '' ) ;
}

FCKSpecialCombo.prototype.SetLabel = function( text )
{
    text = ( !text || text.length == 0 ) ? '&nbsp;' : text ;

    if ( text == this.Label )
        return ;

    this.Label = text ;

    var labelEl = this._LabelEl ;
    if ( labelEl )
    {
        labelEl.innerHTML = text ;

        // It may happen that the label is some HTML, including tags. This
        // would be a problem because when the user click on those tags, the
        // combo will get the selection from the editing area. So we must
        // disable any kind of selection here.
        FCKTools.DisableSelection( labelEl ) ;
    }
}

FCKSpecialCombo.prototype.SetEnabled = function( isEnabled )
{
    this.Enabled = isEnabled ;

    // In IE it can happen when the page is reloaded that _OuterTable is null, so check its existence
    if ( this._OuterTable )
        this._OuterTable.className = isEnabled ? '' : 'SC_FieldDisabled' ;
}

FCKSpecialCombo.prototype.Create = function( targetElement )
{
    var oDoc = FCKTools.GetElementDocument( targetElement ) ;
    var eOuterTable = this._OuterTable = targetElement.appendChild( oDoc.createElement( 'TABLE' ) ) ;
    eOuterTable.cellPadding = 0 ;
    eOuterTable.cellSpacing = 0 ;

    eOuterTable.insertRow(-1) ;

    var sClass ;
    var bShowLabel ;

    switch ( this.Style )
    {
        case FCK_TOOLBARITEM_ONLYICON :
            sClass = 'TB_ButtonType_Icon' ;
            bShowLabel = false;
            break ;
        case FCK_TOOLBARITEM_ONLYTEXT :
            sClass = 'TB_ButtonType_Text' ;
            bShowLabel = false;
            break ;
        case FCK_TOOLBARITEM_ICONTEXT :
            bShowLabel = true;
            break ;
    }

    if ( this.Caption && this.Caption.length > 0 && bShowLabel )
    {
        var oCaptionCell = eOuterTable.rows[0].insertCell(-1) ;
        oCaptionCell.innerHTML = this.Caption ;
        oCaptionCell.className = 'SC_FieldCaption' ;
    }

    // Create the main DIV element.
    var oField = FCKTools.AppendElement( eOuterTable.rows[0].insertCell(-1), 'div' ) ;
    if ( bShowLabel )
    {
        oField.className = 'SC_Field' ;
        oField.style.width = this.FieldWidth + 'px' ;
        oField.innerHTML = '<table width="100%" cellpadding="0" cellspacing="0" style="TABLE-LAYOUT: fixed;"><tbody><tr><td class="SC_FieldLabel"><label>&nbsp;</label></td><td class="SC_FieldButton">&nbsp;</td></tr></tbody></table>' ;

        this._LabelEl = oField.getElementsByTagName('label')[0] ;        // Memory Leak
        this._LabelEl.innerHTML = this.Label ;
    }
    else
    {
        oField.className = 'TB_Button_Off' ;
        //oField.innerHTML = '<span className="SC_FieldCaption">' + this.Caption + '<table cellpadding="0" cellspacing="0" style="TABLE-LAYOUT: fixed;"><tbody><tr><td class="SC_FieldButton" style="border-left: none;">&nbsp;</td></tr></tbody></table>' ;
        //oField.innerHTML = '<table cellpadding="0" cellspacing="0" style="TABLE-LAYOUT: fixed;"><tbody><tr><td class="SC_FieldButton" style="border-left: none;">&nbsp;</td></tr></tbody></table>' ;

        // Gets the correct CSS class to use for the specified style (param).
        oField.innerHTML = '<table title="' + this.Tooltip + '" class="' + sClass + '" cellspacing="0" cellpadding="0" border="0">' +
                '<tr>' +
                    //'<td class="TB_Icon"><img src="' + FCKConfig.SkinPath + 'toolbar/' + this.Command.Name.toLowerCase() + '.gif" width="21" height="21"></td>' +
                    '<td><img class="TB_Button_Padding" src="' + FCK_SPACER_PATH + '" /></td>' +
                    '<td class="TB_Text">' + this.Caption + '</td>' +
                    '<td><img class="TB_Button_Padding" src="' + FCK_SPACER_PATH + '" /></td>' +
                    '<td class="TB_ButtonArrow"><img src="' + FCKConfig.SkinPath + 'images/toolbar.buttonarrow.gif" width="5" height="3"></td>' +
                    '<td><img class="TB_Button_Padding" src="' + FCK_SPACER_PATH + '" /></td>' +
                '</tr>' +
            '</table>' ;
    }


    // Events Handlers

    FCKTools.AddEventListenerEx( oField, 'mouseover', FCKSpecialCombo_OnMouseOver, this ) ;
    FCKTools.AddEventListenerEx( oField, 'mouseout', FCKSpecialCombo_OnMouseOut, this ) ;
    FCKTools.AddEventListenerEx( oField, 'click', FCKSpecialCombo_OnClick, this ) ;

    FCKTools.DisableSelection( this._Panel.Document.body ) ;
}

function FCKSpecialCombo_Cleanup()
{
    this._LabelEl = null ;
    this._OuterTable = null ;
    this._ItemsHolderEl = null ;
    this._PanelBox = null ;

    if ( this.Items )
    {
        for ( var key in this.Items )
            this.Items[key] = null ;
    }
}

function FCKSpecialCombo_OnMouseOver( ev, specialCombo )
{
    if ( specialCombo.Enabled )
    {
        switch ( specialCombo.Style )
        {
            case FCK_TOOLBARITEM_ONLYICON :
                this.className = 'TB_Button_On_Over';
                break ;
            case FCK_TOOLBARITEM_ONLYTEXT :
                this.className = 'TB_Button_On_Over';
                break ;
            case FCK_TOOLBARITEM_ICONTEXT :
                this.className = 'SC_Field SC_FieldOver' ;
                break ;
        }
    }
}

function FCKSpecialCombo_OnMouseOut( ev, specialCombo )
{
    switch ( specialCombo.Style )
    {
        case FCK_TOOLBARITEM_ONLYICON :
            this.className = 'TB_Button_Off';
            break ;
        case FCK_TOOLBARITEM_ONLYTEXT :
            this.className = 'TB_Button_Off';
            break ;
        case FCK_TOOLBARITEM_ICONTEXT :
            this.className='SC_Field' ;
            break ;
    }
}

function FCKSpecialCombo_OnClick( e, specialCombo )
{
    // For Mozilla we must stop the event propagation to avoid it hiding
    // the panel because of a click outside of it.
//    if ( e )
//    {
//        e.stopPropagation() ;
//        FCKPanelEventHandlers.OnDocumentClick( e ) ;
//    }

    if ( specialCombo.Enabled )
    {
        var oPanel            = specialCombo._Panel ;
        var oPanelBox        = specialCombo._PanelBox ;
        var oItemsHolder    = specialCombo._ItemsHolderEl ;
        var iMaxHeight        = specialCombo.PanelMaxHeight ;

        if ( specialCombo.OnBeforeClick )
            specialCombo.OnBeforeClick( specialCombo ) ;

        // This is a tricky thing. We must call the "Load" function, otherwise
        // it will not be possible to retrieve "oItemsHolder.offsetHeight" (IE only).
        if ( FCKBrowserInfo.IsIE )
            oPanel.Preload( 0, this.offsetHeight, this ) ;

        if ( oItemsHolder.offsetHeight > iMaxHeight )
//        {
            oPanelBox.style.height = iMaxHeight + 'px' ;

//            if ( FCKBrowserInfo.IsGecko )
//                oPanelBox.style.overflow = '-moz-scrollbars-vertical' ;
//        }
        else
            oPanelBox.style.height = '' ;

//        oPanel.PanelDiv.style.width = specialCombo.PanelWidth + 'px' ;

        oPanel.Show( 0, this.offsetHeight, this ) ;
    }

//    return false ;
}

/*
Sample Combo Field HTML output:

<div class="SC_Field" style="width: 80px;">
    <table width="100%" cellpadding="0" cellspacing="0" style="table-layout: fixed;">
        <tbody>
            <tr>
                <td class="SC_FieldLabel"><label>&nbsp;</label></td>
                <td class="SC_FieldButton">&nbsp;</td>
            </tr>
        </tbody>
    </table>
</div>
*/
