internal LayoutAnchorControl(LayoutAnchorable model)
{
_model = model;
_model.IsActiveChanged += _model_IsActiveChanged;
_model.IsSelectedChanged += _model_IsSelectedChanged;
SetSide(_model.FindParent<LayoutAnchorSide>().Side);
}
internal override void Detach()
{
_anchorable.IsVisibleChanged -= _anchorable_IsVisibleChanged;
_anchorable = null;
base.Detach();
}
internal override void Attach(LayoutContent model)
{
_anchorable = model as LayoutAnchorable;
if (_anchorable != null)
_anchorable.IsVisibleChanged += _anchorable_IsVisibleChanged;
base.Attach(model);
}
internal void _ExecuteAutoHideCommand(LayoutAnchorable anchorable)
{
anchorable.ToggleAutoHide();
}
private void CreateAnchorableLayoutItem(LayoutAnchorable contentToAttach)
{
if (_layoutItems.Any(item => Equals(item.LayoutElement, contentToAttach)))
return;
var layoutItem = new LayoutAnchorableItem();
layoutItem.Attach(contentToAttach);
ApplyStyleToLayoutItem(layoutItem);
_layoutItems.Add(layoutItem);
if (contentToAttach?.Content is UIElement)
{
InternalAddLogicalChild(contentToAttach.Content);
}
}
private void AttachAnchorablesSource(LayoutRoot layout, IEnumerable anchorablesSource)
{
if (anchorablesSource == null)
return;
if (layout == null)
return;
var anchorablesImported = layout.Descendents().OfType<LayoutAnchorable>().Select(d => d.Content).ToArray();
var anchorables = anchorablesSource;
var listOfAnchorablesToImport = new List<object>(anchorables.OfType<object>());
foreach (
var document in listOfAnchorablesToImport.ToArray().Where(document => anchorablesImported.Contains(document)))
{
listOfAnchorablesToImport.Remove(document);
}
LayoutAnchorablePane anchorablePane = null;
if (layout.ActiveContent != null)
{
//look for active content parent pane
anchorablePane = layout.ActiveContent.Parent as LayoutAnchorablePane;
}
if (anchorablePane == null)
{
//look for a pane on the right side
anchorablePane =
layout.Descendents()
.OfType<LayoutAnchorablePane>()
.FirstOrDefault(pane => !pane.IsHostedInFloatingWindow && pane.GetSide() == AnchorSide.Right);
}
if (anchorablePane == null)
{
//look for an available pane
anchorablePane = layout.Descendents().OfType<LayoutAnchorablePane>().FirstOrDefault();
}
_suspendLayoutItemCreation = true;
foreach (var anchorableContentToImport in listOfAnchorablesToImport)
{
var anchorableToImport = new LayoutAnchorable()
{
Content = anchorableContentToImport
};
bool added = false;
if (LayoutUpdateStrategy != null)
{
added = LayoutUpdateStrategy.BeforeInsertAnchorable(layout, anchorableToImport, anchorablePane);
}
if (!added)
{
if (anchorablePane == null)
{
var mainLayoutPanel = new LayoutPanel { Orientation = Orientation.Horizontal };
if (layout.RootPanel != null)
{
mainLayoutPanel.Children.Add(layout.RootPanel);
}
layout.RootPanel = mainLayoutPanel;
anchorablePane = new LayoutAnchorablePane
{
DockWidth = new GridLength(200.0, GridUnitType.Pixel)
};
mainLayoutPanel.Children.Add(anchorablePane);
}
anchorablePane.Children.Add(anchorableToImport);
}
LayoutUpdateStrategy?.AfterInsertAnchorable(layout, anchorableToImport);
CreateAnchorableLayoutItem(anchorableToImport);
}
_suspendLayoutItemCreation = false;
var anchorablesSourceAsNotifier = anchorablesSource as INotifyCollectionChanged;
if (anchorablesSourceAsNotifier != null)
anchorablesSourceAsNotifier.CollectionChanged += AnchorablesSourceElementsChanged;
}
private void AnchorablesSourceElementsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (Layout == null)
return;
//When deserializing documents are created automatically by the deserializer
if (SuspendAnchorablesSourceBinding)
return;
//handle remove
if (e.Action == NotifyCollectionChangedAction.Remove ||
e.Action == NotifyCollectionChangedAction.Replace)
{
if (e.OldItems != null)
{
var anchorablesToRemove =
Layout.Descendents()
.OfType<LayoutAnchorable>()
.Where(d => e.OldItems.Contains(d.Content))
.ToArray();
foreach (var anchorableToRemove in anchorablesToRemove)
{
anchorableToRemove.Parent.RemoveChild(
anchorableToRemove);
}
}
}
//handle add
if (e.NewItems != null &&
(e.Action == NotifyCollectionChangedAction.Add ||
e.Action == NotifyCollectionChangedAction.Replace))
{
if (e.NewItems != null)
{
LayoutAnchorablePane anchorablePane = null;
if (Layout.ActiveContent != null)
{
//look for active content parent pane
anchorablePane = Layout.ActiveContent.Parent as LayoutAnchorablePane;
}
if (anchorablePane == null)
{
//look for a pane on the right side
anchorablePane =
Layout.Descendents()
.OfType<LayoutAnchorablePane>()
.FirstOrDefault(pane => !pane.IsHostedInFloatingWindow && pane.GetSide() == AnchorSide.Right);
}
if (anchorablePane == null)
{
//look for an available pane
anchorablePane = Layout.Descendents().OfType<LayoutAnchorablePane>().FirstOrDefault();
}
_suspendLayoutItemCreation = true;
foreach (var anchorableContentToImport in e.NewItems)
{
var anchorableToImport = new LayoutAnchorable
{
Content = anchorableContentToImport
};
bool added = false;
if (LayoutUpdateStrategy != null)
{
added = LayoutUpdateStrategy.BeforeInsertAnchorable(Layout, anchorableToImport,
anchorablePane);
}
if (!added)
{
if (anchorablePane == null)
{
var mainLayoutPanel = new LayoutPanel { Orientation = Orientation.Horizontal };
if (Layout.RootPanel != null)
{
mainLayoutPanel.Children.Add(Layout.RootPanel);
}
Layout.RootPanel = mainLayoutPanel;
anchorablePane = new LayoutAnchorablePane
{
DockWidth = new GridLength(200.0, GridUnitType.Pixel)
};
mainLayoutPanel.Children.Add(anchorablePane);
}
anchorablePane.Children.Add(anchorableToImport);
}
LayoutUpdateStrategy?.AfterInsertAnchorable(Layout, anchorableToImport);
var root = anchorableToImport.Root;
if (root != null && Equals(root.Manager, this))
{
CreateAnchorableLayoutItem(anchorableToImport);
}
}
_suspendLayoutItemCreation = false;
}
}
if (e.Action == NotifyCollectionChangedAction.Reset)
{
//NOTE: I'm going to clear every anchorable present in layout but
//some anchorable may have been added directly to the layout, for now I clear them too
var anchorablesToRemove = Layout.Descendents().OfType<LayoutAnchorable>().ToArray();
foreach (var anchorableToRemove in anchorablesToRemove)
{
anchorableToRemove.Parent.RemoveChild(
anchorableToRemove);
}
}
Layout?.CollectGarbage();
}
internal void _ExecuteHideCommand(LayoutAnchorable anchorable)
{
var model = anchorable;
//by default hide the anchorable
model?.Hide();
}
internal void _ExecuteDockCommand(LayoutAnchorable anchorable)
{
anchorable.Dock();
}
internal void _ExecuteCloseCommand(LayoutAnchorable anchorable)
{
var model = anchorable;
if (model == null || !model.TestCanClose())
return;
if (model.IsAutoHidden)
model.ToggleAutoHide();
model.Close();
}
