public void back()
{
MenuComponentComposite f = this.currentSelectedComponent.getFather();
if (f == this.menu.getChild(0))
{
return;
}
try
{
if (!this.currentSelectedComponent.isExpanded() && this.currentSelectedComponent.hasFocus())
{
this.currentSelectedComponent.setFocus(false);
f.getFather().setExpanded(true);
f.getFather().validate();
f.setExpanded(false);
this.currentSelectedComponent = f;
this.currentComponentIndex = this.componentsTraversedIndexes.Pop();
f.setFocus(true);
// this.currentSelectedComponent.setFocus(true);
}
else
{
//should be a container expanded without child
// Console.WriteLine("Closing container expanded without child");
this.currentSelectedComponent.setFocus(true);
this.currentSelectedComponent.setExpanded(false);
f.setExpanded(true);
f.validate();
}
}
catch (NoChildException e)
{
}
}
public MenuTraverser(RootMenuItem menu)
{
this.menu = menu;
// this.OnMenuActionCachedHandler = (action) => this.OnMenuAction(action);
this.componentsTraversedIndexes = new Stack <int>();
MenuComponentComposite firstChild = this.menu.getChild(0);
if (firstChild != null)
{
firstChild.setExpanded(true);
this.currentSelectedComponent = firstChild;
this.currentComponentIndex = 0;
MenuComponentComposite c = firstChild.getChild(0);
//first child of the first child of root is a container with at least one child. Start traversing from here
if (c != null)
{
this.componentsTraversedIndexes.Push(this.currentComponentIndex);
this.currentSelectedComponent = c;
this.currentSelectedComponent.setFocus(true);
this.currentComponentIndex = 0;
// this.currentSelectedComponent.setExpanded(true);
}
else
{
firstChild.setFocus(true);
}
}
else
{
//that's pretty strange. a root component should always have a child component
}
}
private void goForward()
{
MenuComponentComposite t = this.currentSelectedComponent;
MenuComponentComposite c = this.currentSelectedComponent.getChild(0);
MenuComponentComposite containerChild = this.currentSelectedComponent;
containerChild.setExpanded(true);
// containerChild.setBounds(this.currentSelectedComponent.getFather().getBounds());
MenuComponentComposite father = this.currentSelectedComponent.getFather();
father.setExpanded(false);
if (c != null)
{
//current component is a container..can go forward
//if (c != this.menu)
this.currentSelectedComponent.setFocus(false);
// Console.WriteLine("container child " + containerChild.);
//close the previousopen container
this.componentsTraversedIndexes.Push(this.currentComponentIndex);
this.currentSelectedComponent = c;
this.currentComponentIndex = 0;
this.currentSelectedComponent.setFocus(true);
}
else
{
// this.currentSelectedComponent.setFocus(false);
}
}