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JavaScript

/**
* A Grid which creates itself from an existing HTML table element.
*/
Ext.define('Ext.ux.grid.TransformGrid', {
extend: 'Ext.grid.Panel',
/**
* Creates the grid from HTML table element.
* @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.
*/
constructor: function(table, config) {
config = Ext.apply({}, config);
table = this.table = Ext.get(table);
var configFields = config.fields || [],
configColumns = config.columns || [],
fields = [],
cols = [],
headers = table.query("thead th"),
i = 0,
len = headers.length,
data = table.dom,
width,
height,
store,
col,
text,
name;
for (; i < len; ++i) {
col = headers[i];
text = col.innerHTML;
name = 'tcol-' + i;
fields.push(Ext.applyIf(configFields[i] || {}, {
name: name,
mapping: 'td:nth(' + (i + 1) + ')/@innerHTML'
}));
cols.push(Ext.applyIf(configColumns[i] || {}, {
text: text,
dataIndex: name,
width: col.offsetWidth,
tooltip: col.title,
sortable: true
}));
}
if (config.width) {
width = config.width;
} else {
width = table.getWidth() + 1;
}
if (config.height) {
height = config.height;
}
Ext.applyIf(config, {
store: {
data: data,
fields: fields,
proxy: {
type: 'memory',
reader: {
record: 'tbody tr',
type: 'xml'
}
}
},
columns: cols,
width: width,
height: height
});
this.callParent([config]);
if (config.remove !== false) {
// Don't use table.remove() as that destroys the row/cell data in the table in
// IE6-7 so it cannot be read by the data reader.
data.parentNode.removeChild(data);
}
},
onDestroy: function() {
this.callParent();
this.table.remove();
delete this.table;
}
});