/// <summary>
/// Remap event.keyCode in horizontalLayout so that arrow
/// keys work properly and call original onKeyDown handler.
/// </summary>
/// <param name="e">The browser event.</param>
/// <returns>The handled value.</returns>
public override bool onKeyDown(goog.events.BrowserEvent e)
{
if (this.horizontalLayout_)
{
var map = new Dictionary <goog.events.KeyCodes, goog.events.KeyCodes>();
map[goog.events.KeyCodes.RIGHT] = goog.events.KeyCodes.DOWN;
map[goog.events.KeyCodes.LEFT] = goog.events.KeyCodes.UP;
map[goog.events.KeyCodes.UP] = goog.events.KeyCodes.LEFT;
map[goog.events.KeyCodes.DOWN] = goog.events.KeyCodes.RIGHT;
var newKeyCode = map.ContainsKey((goog.events.KeyCodes)e.keyCode);
e.keyCode = (int)(newKeyCode ? map[(goog.events.KeyCodes)e.keyCode] : (goog.events.KeyCodes)e.keyCode);
}
return(base.onKeyDown(e));
}
/// <summary>
/// Expand or collapse the node on mouse click.
/// </summary>
/// <param name="e">The browser event.</param>
public override void onMouseDown(goog.events.BrowserEvent e)
{
// Expand icon.
if (this.hasChildren() && this.isUserCollapsible_)
{
this.toggle();
this.select();
}
else if (this.isSelected())
{
this.getTree().setSelectedItem(null);
}
else
{
this.select();
}
this.updateRow();
}
/// <summary>
/// Supress the inherited double-click behaviour.
/// </summary>
/// <param name="e">The browser event.</param>
internal override void onDoubleClick_(goog.events.BrowserEvent e)
{
// NOP.
}