Hi all,
I have a qx.ui.table.model.Simple column of Booleans (checkboxes). I'd like
to add a checkbox to the column header that will toggle the Boolean of that
column in all rows. I've tried to create my own Headercell and
HeaderCellRenderer implementation but when I load the table I get a
"cachedWidget is undefined" error.
Here is the header cell implementation :
/**
* @childControl check-box {qx.ui.form.CheckBox} checkbox for header cell
* @childControl sort-icon {qx.ui.basic.Image} sort icon of the header cell
*/
qx.Class.define("prearchiveui.CheckboxHeaderCell",
{
extend : qx.ui.container.Composite,
construct : function () {
this.base(arguments);
var layout = new qx.ui.layout.Grid();
layout.setRowFlex(0,1);
layout.setColumnFlex(1, 1);
this.setLayout(layout);
},
properties : {
checkBox : {
check : "qx.ui.form.CheckBox",
init : null,
nullable : true
},
/** The sort icon URL of the sorting indicator */
sortIcon :{
check : "String",
init : null,
nullable : true,
apply : "_applySortIcon",
themeable : true
}
},
members : {
_applyCheckBox : function (value,old) {
if (value) {
this._showChildControl("check-box").setValue(value);
}
else {
this._excludeChildControl("check-box");
}
},
_applySortIcon : function (value,old) {
if (value) {
this._showChildControl("sort-icon").setValue(value);
}
else {
this._excludeChildControl("sort-icon");
}
},
// overridden
_createChildControlImpl : function(id)
{
var control;
switch(id)
{
case "check-box":
control = this.getCheckBox();
if (control != null) {
this._add(control, {row: 0, column: 0});
}
break;
case "sort-icon":
control = new qx.ui.basic.Image(this.getSortIcon());
control.setAnonymous(true);
this._add(control, {row: 0, column: 1});
break;
}
return control || this.base(arguments, id);
}
}
});
And the cell renderer :
qx.Class.define("prearchiveui.CheckboxHeaderCellRenderer",
{
extend : qx.core.Object,
implement : qx.ui.table.IHeaderRenderer,
construct : function (checkbox) {
this.base(arguments);
this.setCheckBox(checkbox);
},
properties : {
checkBox : {
check : "qx.ui.form.CheckBox"
}
},
members : {
createHeaderCell : function (cellInfo) {
var widget = new prearchiveui.CheckboxHeaderCell();
this.updateHeaderCell(cellInfo,widget);
},
updateHeaderCell : function (cellInfo, widget) {
var DefaultHeaderCellRenderer = qx.ui.table.headerrenderer.Default;
cellInfo.sorted ?
widget.addState(DefaultHeaderCellRenderer.STATE_SORTED) :
widget.removeState(DefaultHeaderCellRenderer.STATE_SORTED);
cellInfo.sortedAscending ?
widget.addState(DefaultHeaderCellRenderer.STATE_SORTED_ASCENDING) :
widget.removeState(DefaultHeaderCellRenderer.STATE_SORTED_ASCENDING);
widget.setCheckBox(this.getCheckBox());
}
}
});
Thanks for the feedback!
-deech
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