private void OnMiddleClosed(T2 middle)
{
OpenedLeaf = null;
var e = new OpeningEventArgs <I>(middle, OpeningAction.Close);
OnOpenedChanged(e);
}
private void OnRootClosed(T1 root)
{
OpenedMiddle = null;
var e = new OpeningEventArgs <I>(root, OpeningAction.Close);
OnOpenedChanged(e);
}
protected virtual void OnOpenedChanged(OpeningEventArgs <I> e)
{
var h = OpenedChanged;
if (h != null)
{
h(this, e);
}
}
private void OnLeafOpened(T3 leaf)
{
Contract.Requires(OpenedMiddle == middleOf(leaf));
var e = new OpeningEventArgs <I>(leaf, OpeningAction.Open);
OnOpenedChanged(e);
middleLeafMap[OpenedMiddle] = leaf;
}
private void OnRootOpened(T1 root)
{
var e = new OpeningEventArgs <I>(root, OpeningAction.Open);
OnOpenedChanged(e);
rootsOpenOrder.Add(root);
if (AutoOpenChild)
{
T2 middle = GetLastOpenedFor(root);
OpenedMiddle = middle ?? middlesOf(root).LastOrDefault();
}
}
private void OnMiddleOpened(T2 middle)
{
Contract.Requires(OpenedRoot == rootOf(middle));
var e = new OpeningEventArgs <I>(middle, OpeningAction.Open);
OnOpenedChanged(e);
rootMiddleMap[OpenedRoot] = middle;
if (AutoOpenChild)
{
T3 leaf = GetLastOpenedFor(middle);
OpenedLeaf = leaf ?? leavesOf(middle).LastOrDefault();
}
}
private void viewer_OpenedChanged(object sender, OpeningEventArgs <I> e)
{
logger.DebugFormat("{0} {1} {2}", e.action, e.entity.GetType().Name, e.entity);
var node = e.entity;
if (e.action == OpeningAction.Open)
{
lastOpened = node;
node.PropertyChanged += node_PropertyChanged;
}
else
{
node.PropertyChanged -= node_PropertyChanged;
}
}
private void OnLeafClosed(T3 leaf)
{
var e = new OpeningEventArgs <I>(leaf, OpeningAction.Close);
OnOpenedChanged(e);
}