/**
 * @class Ext.ButtonGroup
 * @extends Ext.Panel
 * Container for a group of buttons. Example usage:
 * 

var p = new Ext.Panel({
    title: 'Panel with Button Group',
    width: 300,
    height:200,
    renderTo: document.body,
    html: 'whatever',
    tbar: [{
        xtype: 'buttongroup',
        {@link #columns}: 3,
        title: 'Clipboard',
        items: [{
            text: 'Paste',
            scale: 'large',
            rowspan: 3, iconCls: 'add',
            iconAlign: 'top',
            cls: 'x-btn-as-arrow'
        },{
            xtype:'splitbutton',
            text: 'Menu Button',
            scale: 'large',
            rowspan: 3,
            iconCls: 'add',
            iconAlign: 'top',
            arrowAlign:'bottom',
            menu: [{text: 'Menu Item 1'}]
        },{
            xtype:'splitbutton', text: 'Cut', iconCls: 'add16', menu: [{text: 'Cut Menu Item'}]
        },{
            text: 'Copy', iconCls: 'add16'
        },{
            text: 'Format', iconCls: 'add16'
        }]
    }]
});
 * 
 * @constructor
 * Create a new ButtonGroup.
 * @param {Object} config The config object
 * @xtype buttongroup
 */
Ext.ButtonGroup = Ext.extend(Ext.Panel, {
    
/**
     * @cfg {Number} columns The columns configuration property passed to the
     * {@link #layout configured layout manager}. See {@link Ext.layout.TableLayout#columns}.
     */
    
/**
     * @cfg {String} baseCls  Defaults to 'x-btn-group'.  See {@link Ext.Panel#baseCls}.
     */
    baseCls: 'x-btn-group',
    
/**
     * @cfg {String} layout  Defaults to 'table'.  See {@link Ext.Container#layout}.
     */
    layout:'table',
    defaultType: 'button',
    
/**
     * @cfg {Boolean} frame  Defaults to true.  See {@link Ext.Panel#frame}.
     */
    frame: true,
    internalDefaults: {removeMode: 'container', hideParent: true},

    initComponent : function(){
        this.layoutConfig = this.layoutConfig || {};
        Ext.applyIf(this.layoutConfig, {
            columns : this.columns
        });
        if(!this.title){
            this.addClass('x-btn-group-notitle');
        }
        this.on('afterlayout', this.onAfterLayout, this);
        Ext.ButtonGroup.superclass.initComponent.call(this);
    },

    applyDefaults : function(c){
        c = Ext.ButtonGroup.superclass.applyDefaults.call(this, c);
        var d = this.internalDefaults;
        if(c.events){
            Ext.applyIf(c.initialConfig, d);
            Ext.apply(c, d);
        }else{
            Ext.applyIf(c, d);
        }
        return c;
    },

    onAfterLayout : function(){
        var bodyWidth = this.body.getFrameWidth('lr') + this.body.dom.firstChild.offsetWidth;
        this.body.setWidth(bodyWidth);
        this.el.setWidth(bodyWidth + this.getFrameWidth());
    }
    
/**
     * @cfg {Array} tools  @hide
     */
});

Ext.reg('buttongroup', Ext.ButtonGroup);