private void ShowSelection(IEnumerable <object> selection, IVisibilityContext visibilityContext)
{
if (selection != null && visibilityContext != null)
{
foreach (object item in selection)
{
visibilityContext.SetVisible(item, true);
}
Refresh();
}
}
private void ShowLastHidden(IVisibilityContext visibilityContext)
{
if (m_hideStack.Count > 0)
{
IList <WeakReference> hidden = m_hideStack.Pop();
foreach (WeakReference wr in hidden)
{
object obj = wr.Target;
if (obj != null)
{
visibilityContext.SetVisible(obj, true);
}
}
Refresh();
}
}
private void IsolateSelection(IEnumerable <object> selection, IVisibilityContext visibilityContext, IEnumerableContext enumerableContext)
{
if (selection != null && visibilityContext != null && enumerableContext != null)
{
foreach (object item in enumerableContext.Items)
{
visibilityContext.SetVisible(item, false);
}
foreach (object item in selection)
{
visibilityContext.SetVisible(item, true);
}
Refresh();
}
}
private void HideSelection(IEnumerable <object> selection, IVisibilityContext visibilityContext)
{
if (selection != null && visibilityContext != null)
{
List <WeakReference> hidden = new List <WeakReference>();
foreach (Path <object> path in selection)
{
hidden.Add(new WeakReference(path.Last));
}
foreach (object item in selection)
{
visibilityContext.SetVisible(item, false);
}
m_hideStack.Push(hidden);
Refresh();
}
}
/// <summary>
/// Does a command</summary>
/// <param name="commandTag">Command</param>
void ICommandClient.DoCommand(object commandTag)
{
if (commandTag is StandardCommand)
{
ISelectionContext selectionContext = m_contextRegistry.GetActiveContext <ISelectionContext>();
IEnumerableContext enumerableContext = m_contextRegistry.GetActiveContext <IEnumerableContext>();
IVisibilityContext visibilityContext = m_contextRegistry.GetActiveContext <IVisibilityContext>();
IEnumerable <object> selection = null;
if (selectionContext != null)
{
selection = selectionContext.Selection;
}
switch ((StandardCommand)commandTag)
{
case StandardCommand.ViewHide:
HideSelection(selection, visibilityContext);
break;
case StandardCommand.ViewShow:
ShowSelection(selection, visibilityContext);
break;
case StandardCommand.ViewShowLast:
ShowLastHidden(visibilityContext);
break;
case StandardCommand.ViewShowAll:
ShowAll(visibilityContext, enumerableContext);
break;
case StandardCommand.ViewIsolate:
IsolateSelection(selection, visibilityContext, enumerableContext);
break;
}
}
}
private void IsolateSelection(IEnumerable <object> selection, IVisibilityContext visibilityContext, IEnumerableContext enumerableContext)
{
if (selection != null && visibilityContext != null && enumerableContext != null)
{
foreach (object item in enumerableContext.Items)
{
visibilityContext.SetVisible(item, false);
}
foreach (Path <object> path in selection)
{
foreach (object item in path)
{
visibilityContext.SetVisible(item, true);
}
DomNode lastNode = path.Last.As <DomNode>();
SetVisibility(lastNode, true, visibilityContext);
}
Refresh();
}
}
private void IsolateSelection(IEnumerable<object> selection, IVisibilityContext visibilityContext, IEnumerableContext enumerableContext)
{
if (selection != null && visibilityContext != null && enumerableContext != null)
{
foreach (object item in enumerableContext.Items)
visibilityContext.SetVisible(item, false);
foreach (object item in selection)
visibilityContext.SetVisible(item, true);
Refresh();
}
}
private void ShowLastHidden(IVisibilityContext visibilityContext)
{
if (m_hideStack.Count > 0)
{
IList<WeakReference> hidden = m_hideStack.Pop();
foreach (WeakReference wr in hidden)
{
object obj = wr.Target;
if (obj != null)
visibilityContext.SetVisible(obj, true);
}
Refresh();
}
}
/// <summary>
/// Shows all objects</summary>
/// <param name="visibilityContext">Visibility context</param>
/// <param name="enumerableContext">Enumerable context</param>
public void ShowAll(IVisibilityContext visibilityContext, IEnumerableContext enumerableContext)
{
if (visibilityContext != null && enumerableContext != null)
{
foreach (object item in enumerableContext.Items)
visibilityContext.SetVisible(item, true);
Refresh();
}
}
private void ShowSelection(IEnumerable<object> selection, IVisibilityContext visibilityContext)
{
if (selection != null && visibilityContext != null)
{
foreach (object item in selection)
visibilityContext.SetVisible(item, true);
Refresh();
}
}
private void HideSelection(IEnumerable<object> selection, IVisibilityContext visibilityContext)
{
if (selection != null && visibilityContext != null)
{
List<WeakReference> hidden = new List<WeakReference>();
foreach (object obj in selection)
hidden.Add(new WeakReference(obj));
foreach (object item in selection)
visibilityContext.SetVisible(item, false);
m_hideStack.Push(hidden);
Refresh();
}
}
/// <summary>
/// Performs initialization when the adapter's node is set</summary>
protected override void OnNodeSet()
{
base.OnNodeSet();
m_visibilityContext = this.Cast<IVisibilityContext>();
}
private void SetVisibility(DomNode node, bool visibility,IVisibilityContext visibilityContext)
{
if(visibilityContext.CanSetVisible(node))
{
visibilityContext.SetVisible(node, visibility);
foreach (DomNode child in node.Children)
{
SetVisibility(child, visibility, visibilityContext);
}
}
}
private void IsolateSelection(IEnumerable<object> selection, IVisibilityContext visibilityContext, IEnumerableContext enumerableContext)
{
if (selection != null && visibilityContext != null && enumerableContext != null)
{
foreach (object item in enumerableContext.Items)
visibilityContext.SetVisible(item, false);
foreach (Path<object> path in selection)
{
foreach (object item in path)
{
visibilityContext.SetVisible(item, true);
}
DomNode lastNode = path.Last.As<DomNode>();
SetVisibility(lastNode, true, visibilityContext);
}
Refresh();
}
}
