GZ/nwyj/WebContent/admin/scripts/ext20/examples/grid/from-markup.js

/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.onReady(function() {
			var btn = Ext.get("create-grid");
			btn.on("click", function() {
						btn.dom.disabled = true;

						// create the grid
						var grid = new Ext.grid.TableGrid("the-table");
						grid.render();

					}, false, {
						single : true
					}); // run once
		});

/**
 * @class Ext.grid.TableGrid
 * @extends Ext.grid.Grid A Grid which creates itself from an existing HTML
 *          table element.
 * @constructor
 * @param {String/HTMLElement/Ext.Element}
 *            table The table element from which this grid will be created - The
 *            table MUST have some type of size defined for the grid to fill.
 *            The container will be automatically set to position relative if it
 *            isn't already.
 * @param {Object}
 *            config A config object that sets properties on this grid and has
 *            two additional (optional) properties: fields and columns which
 *            allow for customizing data fields and columns for this grid.
 * @history 2007-03-01 Original version by Nige "Animal" White 2007-03-10 jvs
 *          Slightly refactored to reuse existing classes
 */
Ext.grid.TableGrid = function(table, config) {
	config = config || {};
	var cf = config.fields || [], ch = config.columns || [];
	table = Ext.get(table);

	var ct = table.insertSibling();

	var fields = [], cols = [];
	var headers = table.query("thead th");
	for (var i = 0, h; h = headers[i]; i++) {
		var text = h.innerHTML;
		var name = 'tcol-' + i;

		fields.push(Ext.applyIf(cf[i] || {}, {
					name : name,
					mapping : 'td:nth(' + (i + 1) + ')/@innerHTML'
				}));

		cols.push(Ext.applyIf(ch[i] || {}, {
					'header' : text,
					'dataIndex' : name,
					'width' : h.offsetWidth,
					'tooltip' : h.title,
					'sortable' : true
				}));
	}

	var ds = new Ext.data.Store({
				reader : new Ext.data.XmlReader({
							record : 'tbody tr'
						}, fields)
			});

	ds.loadData(table.dom);

	var cm = new Ext.grid.ColumnModel(cols);

	if (config.width || config.height) {
		ct.setSize(config.width || 'auto', config.height || 'auto');
	} else {
		ct.setWidth(table.getWidth());
	}

	if (config.remove !== false) {
		table.remove();
	}

	Ext.applyIf(this, {
				'ds' : ds,
				'cm' : cm,
				'sm' : new Ext.grid.RowSelectionModel(),
				autoHeight : true,
				autoWidth : false
			});
	Ext.grid.TableGrid.superclass.constructor.call(this, ct, {});
};

Ext.extend(Ext.grid.TableGrid, Ext.grid.GridPanel);