Ext.ns('Ext.ux.tree');

/**
 * @class Ext.ux.tree.ColumnTree
 * @extends Ext.tree.TreePanel
 * 
 * @xtype columntree
 */
Ext.ux.tree.ColumnTree = Ext.extend(Ext.tree.TreePanel, {
    lines : false,
    borderWidth : Ext.isBorderBox ? 0 : 2, // the combined left/right border for each cell
    cls : 'x-column-tree',

    onRender : function(){
        Ext.tree.ColumnTree.superclass.onRender.apply(this, arguments);
        this.headers = this.header.createChild({cls:'x-tree-headers'});

        var cols = this.columns, c;
        var totalWidth = 0;
        var scrollOffset = 19; // similar to Ext.grid.GridView default

        for(var i = 0, len = cols.length; i < len; i++){
             c = cols[i];
             totalWidth += c.width;
             this.headers.createChild({
                 cls:'x-tree-hd ' + (c.cls?c.cls+'-hd':''),
                 cn: {
                     cls:'x-tree-hd-text',
                     html: c.header
                 },
                 style:'width:'+(c.width-this.borderWidth)+'px;'
             });
        }
        this.headers.createChild({cls:'x-clear'});
        // prevent floats from wrapping when clipped
        this.headers.setWidth(totalWidth+scrollOffset);
        this.innerCt.setWidth(totalWidth);
    }
});

Ext.reg('columntree', Ext.ux.tree.ColumnTree);

//backwards compat
Ext.tree.ColumnTree = Ext.ux.tree.ColumnTree;


/**
 * @class Ext.ux.tree.ColumnNodeUI
 * @extends Ext.tree.TreeNodeUI
 */
Ext.ux.tree.ColumnNodeUI = Ext.extend(Ext.tree.TreeNodeUI, {
    focus: Ext.emptyFn, // prevent odd scrolling behavior

    renderElements : function(n, a, targetNode, bulkRender){
        this.indentMarkup = n.parentNode ? n.parentNode.ui.getChildIndent() : '';

        var t = n.getOwnerTree();
        var cols = t.columns;
        var bw = t.borderWidth;
        var c = cols[0];

        var buf = [
             '
',
                '
',
                    '',this.indentMarkup,"",
                    '',
                    '',
                    '',
                    '', n.text || (c.renderer ? c.renderer(a[c.dataIndex], n, a) : a[c.dataIndex]),"",
                "
"];
         for(var i = 1, len = cols.length; i < len; i++){
             c = cols[i];

             buf.push('
',
                        '
',(c.renderer ? c.renderer(a[c.dataIndex], n, a) : a[c.dataIndex]),"
",
                      "
");
         }
         buf.push(
            '
',
            '
',
            "
");

        if(bulkRender !== true && n.nextSibling && n.nextSibling.ui.getEl()){
            this.wrap = Ext.DomHelper.insertHtml("beforeBegin",
                                n.nextSibling.ui.getEl(), buf.join(""));
        }else{
            this.wrap = Ext.DomHelper.insertHtml("beforeEnd", targetNode, buf.join(""));
        }

        this.elNode = this.wrap.childNodes[0];
        this.ctNode = this.wrap.childNodes[1];
        var cs = this.elNode.firstChild.childNodes;
        this.indentNode = cs[0];
        this.ecNode = cs[1];
        this.iconNode = cs[2];
        this.anchor = cs[3];
        this.textNode = cs[3].firstChild;
    }
});

//backwards compat
Ext.tree.ColumnNodeUI = Ext.ux.tree.ColumnNodeUI;