@qooxdoo/framework
Version:
The JS Framework for Coders
153 lines (123 loc) • 4.43 kB
JavaScript
/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2006 Christian Boulanger
License:
MIT: https://opensource.org/licenses/MIT
See the LICENSE file in the project's top-level directory for details.
Authors:
* Christian Boulanger (cboulanger)
************************************************************************ */
/**
* A cell editor factory which can dynamically exchange the cell editor
* based on information retrieved at runtime. This is useful when different
* rows in a column should have different cellEditors based on cell content
* or row meta data. A typical example would be a spreadsheet that has different
* kind of data in one column.
*
*/
qx.Class.define("qx.ui.table.celleditor.Dynamic",
{
extend : qx.core.Object,
implement : qx.ui.table.ICellEditorFactory,
/*
*****************************************************************************
CONSTRUCTOR
*****************************************************************************
*/
/**
* @param cellEditorFactoryFunction {Function?null} the factory function
* {@link #cellEditorFactoryFunction}.
*/
construct : function(cellEditorFactoryFunction)
{
this.base(arguments);
if (cellEditorFactoryFunction)
{
this.setCellEditorFactoryFunction(cellEditorFactoryFunction);
}
this.__infos = {};
},
/*
*****************************************************************************
PROPERTIES
*****************************************************************************
*/
properties :
{
/**
* Function that returns a cellEditorFactory instance which will be
* used for the row that is currently being edited. The function is
* defined like this:
* <pre class="javascript">
* myTable.getTableColumnModel().setCellEditorFactory(function(cellInfo){
* // based on the cellInfo map or other information, return the
* // appropriate cellEditorFactory
* if (cellInfo.row == 5)
* return new qx.ui.table.celleditor.CheckBox;
* else
* return new qx.ui.table.celleditor.TextField;
* });
* </pre>
**/
cellEditorFactoryFunction :
{
check : "Function",
nullable : true,
init : null
}
},
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members :
{
__cellEditorFactory : null,
__infos : null,
/**
* Creates the cell editor based on the cellEditorFactory instance
* returned by the function stored in the cellEditorFactoryFunction
* property. Passes the cellInfo map to the function.
*
* @param cellInfo {Map} A map containing the information about the cell to
* create.
* @return {qx.ui.core.Widget}
*/
createCellEditor : function(cellInfo)
{
var cellEditorFactoryFunction = this.getCellEditorFactoryFunction();
if (qx.core.Environment.get("qx.debug")) {
this.assertFunction(cellEditorFactoryFunction, "No function provided! Aborting.");
}
this.__cellEditorFactory = cellEditorFactoryFunction(cellInfo);
var cellEditor = this.__cellEditorFactory.createCellEditor(cellInfo);
// save the cell info to the editor (needed for getting the value)
this.__infos[cellEditor.toHashCode()] = cellInfo;
return cellEditor;
},
// interface implementation
getCellEditorValue : function(cellEditor)
{
var cellEditorFactoryFunction = this.getCellEditorFactoryFunction();
if (qx.core.Environment.get("qx.debug")) {
this.assertFunction(cellEditorFactoryFunction, "No function provided! Aborting.");
}
var cellInfo = this.__infos[cellEditor.toHashCode()];
// update the propper factory
this.__cellEditorFactory = cellEditorFactoryFunction(cellInfo);
var value = this.__cellEditorFactory.getCellEditorValue(cellEditor);
return value;
}
},
/*
*****************************************************************************
DESTRUCTOR
*****************************************************************************
*/
destruct : function() {
this.__cellEditorFactory = null;
}
});