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<pre class="prettyprint lang-js"><span id='Ext-grid-RowNumberer-method-constructor'><span id='Ext-grid-RowNumberer'>/**
</span></span> * @class Ext.grid.RowNumberer
* This is a utility class that can be passed into a {@link Ext.grid.ColumnModel} as a column config that provides
* an automatic row numbering column.
* <br>Usage:<br>
<pre><code>
// This is a typical column config with the first column providing row numbers
var colModel = new Ext.grid.ColumnModel([
new Ext.grid.RowNumberer(),
{header: "Name", width: 80, sortable: true},
{header: "Code", width: 50, sortable: true},
{header: "Description", width: 200, sortable: true}
]);
</code></pre>
* @constructor
* @param {Object} config The configuration options
*/
Ext.grid.RowNumberer = Ext.extend(Object, {
<span id='Ext-grid-RowNumberer-cfg-header'> /**
</span> * @cfg {String} header Any valid text or HTML fragment to display in the header cell for the row
* number column (defaults to '').
*/
header: "",
<span id='Ext-grid-RowNumberer-cfg-width'> /**
</span> * @cfg {Number} width The default width in pixels of the row number column (defaults to 23).
*/
width: 23,
<span id='Ext-grid-RowNumberer-cfg-sortable'> /**
</span> * @cfg {Boolean} sortable True if the row number column is sortable (defaults to false).
* @hide
*/
sortable: false,
constructor : function(config){
Ext.apply(this, config);
if(this.rowspan){
this.renderer = this.renderer.createDelegate(this);
}
},
<span id='Ext-grid-RowNumberer-property-fixed'> // private
</span> fixed:true,
<span id='Ext-grid-RowNumberer-property-hideable'> hideable: false,
</span><span id='Ext-grid-RowNumberer-property-menuDisabled'> menuDisabled:true,
</span><span id='Ext-grid-RowNumberer-property-dataIndex'> dataIndex: '',
</span><span id='Ext-grid-RowNumberer-property-id'> id: 'numberer',
</span><span id='Ext-grid-RowNumberer-property-rowspan'> rowspan: undefined,
</span>
<span id='Ext-grid-RowNumberer-method-renderer'> // private
</span> renderer : function(v, p, record, rowIndex){
if(this.rowspan){
p.cellAttr = 'rowspan="'+this.rowspan+'"';
}
return rowIndex+1;
}
});</pre>
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