/// <summary>
/// Overrides {@link goog.ui.Control#setContentInternal} by also updating the
/// grid size and the selection model. Considered protected.
/// </summary>
/// <param name="content">Array of DOM nodes to be displayed
/// as items in the palette grid (one item per cell).</param>
public override void setContentInternal(goog.ui.ControlContent content)
{
var items = content.As <JsArray <Node> >();
base.setContentInternal(new ControlContent(items));
// Adjust the palette size.
this.adjustSize_();
// Add the items to the selection model, replacing previous items (if any).
if (this.selectionModel_ != null)
{
// We already have a selection model; just replace the items.
this.selectionModel_.clear();
this.selectionModel_.addItems(items);
}
else
{
// Create a selection model, initialize the items, and hook up handlers.
this.selectionModel_ = new goog.ui.SelectionModel(items);
this.selectionModel_.setSelectionHandler(new Action <Node, bool>(this.selectItem_));
this.getHandler().listen(
this.selectionModel_, goog.events.EventType.SELECT,
new Action <events.Event>(this.handleSelectionChange));
}
// In all cases, clear the highlight.
this.highlightedIndex_ = -1;
}
// goog.ui.Component / goog.ui.Control implementation.
public override void disposeInternal()
{
base.disposeInternal();
if (this.selectionModel_ != null)
{
this.selectionModel_.dispose();
this.selectionModel_ = null;
}
this.size_ = null;
this.currentCellControl_.dispose();
}