/// <summary>
/// Internal main restore layout method
/// </summary>
/// <param name="doc">Document Xml from which restore layout</param>
void RestoreLayout(XmlDocument doc)
{
if (!_isControlLoaded)
throw new InvalidOperationException("Unable to deserialize a docking layout while DockingManager control is unloaded");
if (doc.DocumentElement == null ||
doc.DocumentElement.Name != "DockingManager")
{
Debug.Assert(false, "Layout file hasn't a valid structure!");
throw new InvalidOperationException("Layout file had not a valid structure!");
}
if (doc.DocumentElement.GetAttribute("version") != layoutFileVersion)
throw new FileFormatException("Unsupported layout file version");
if (doc.DocumentElement.ChildNodes.Count != 3 ||
(doc.DocumentElement.ChildNodes[0].Name != "ResizingPanel" && doc.DocumentElement.ChildNodes[0].Name != "DocumentPane") ||
doc.DocumentElement.ChildNodes[1].Name != "Hidden" ||
doc.DocumentElement.ChildNodes[2].Name != "Windows")
{
Debug.Assert(false, "Layout file hasn't a valid structure!");
throw new InvalidOperationException("Layout file hasn't a valid structure!");
}
//Hide temp windows
HideFlyoutWindow();
HideNavigatorWindow();
//HideDocumentNavigatorWindow();
RestoringLayout = true;
//show all auto hidden panes
var panesAutoHidden = DockableContents.Where(c => c.State == DockableContentState.AutoHide).Select(c => c.ContainerPane).Distinct();
foreach (DockablePane pane in panesAutoHidden)
pane.ToggleAutoHide();
DockableContent[] actualContents = DockableContents.ToArray();
DocumentContent[] actualDocuments = Documents.ToArray();
//first detach all my actual contents
this.Content = null;
this.ActiveContent = null;
this.ActiveDocument = null;
//restore main panel
XmlElement rootElement = doc.DocumentElement.ChildNodes[0] as XmlElement;
DocumentPane mainDocumentPane = null;
this.Content = RestoreLayout(rootElement, actualContents, actualDocuments, ref mainDocumentPane);
MainDocumentPane = mainDocumentPane;
//restore hidden contents
foreach (XmlElement hiddenContentElement in doc.DocumentElement.ChildNodes[1].ChildNodes)
{
var hiddenContentName = hiddenContentElement.GetAttribute("Name");
var hiddenContent = actualContents.FirstOrDefault(c => c.Name == hiddenContentName &&
c.State != DockableContentState.Hidden);
if (hiddenContent != null)
{
Hide(hiddenContent);
hiddenContent.RestoreLayout(hiddenContentElement);
}
}
//restore floating windows
foreach (XmlElement flWindowElement in doc.DocumentElement.ChildNodes[2].ChildNodes)
{
if (flWindowElement.ChildNodes.Count != 1)
continue;//handles invalid layouts structures
bool isDockableWindow = XmlConvert.ToBoolean(flWindowElement.GetAttribute("IsDockableWindow"));
Point location = new Point(XmlConvert.ToDouble(flWindowElement.GetAttribute("Left")), XmlConvert.ToDouble(flWindowElement.GetAttribute("Top")));
Size size = new Size(XmlConvert.ToDouble(flWindowElement.GetAttribute("Width")), XmlConvert.ToDouble(flWindowElement.GetAttribute("Height")));
XmlElement paneElement = flWindowElement.ChildNodes[0] as XmlElement;
DockablePane paneForFloatingWindow = new DockablePane();
if (paneElement.HasAttribute("ResizingWidth"))
ResizingPanel.SetResizeWidth(paneForFloatingWindow, (GridLength)GLConverter.ConvertFromInvariantString(paneElement.GetAttribute("ResizeWidth")));
if (paneElement.HasAttribute("ResizingHeight"))
ResizingPanel.SetResizeHeight(paneForFloatingWindow, (GridLength)GLConverter.ConvertFromInvariantString(paneElement.GetAttribute("ResizeHeight")));
paneForFloatingWindow.Anchor = (AnchorStyle)Enum.Parse(typeof(AnchorStyle), paneElement.GetAttribute("Anchor"));
DockableContent contentToTransfer = null;
foreach (XmlElement contentElement in paneElement.ChildNodes)
{
#region Find the content to transfer
string contentToFindName = contentElement.GetAttribute("Name");
contentToTransfer = actualContents.FirstOrDefault(c => c.Name == contentToFindName);
if (contentToTransfer == null &&
DeserializationCallback != null)
{
DeserializationCallbackEventArgs e = new DeserializationCallbackEventArgs(contentToFindName);
DeserializationCallback(this, e);
contentToTransfer = e.Content as DockableContent;
}
#endregion
if (contentToTransfer != null)
{
DetachContentFromDockingManager(contentToTransfer);
paneForFloatingWindow.Items.Add(contentToTransfer);
contentToTransfer.RestoreLayout(contentElement);
}
}
if (paneForFloatingWindow.Items.Count > 0)
{
var flWindow = new DockableFloatingWindow(this);
flWindow.Content = paneForFloatingWindow;
flWindow.Left = location.X;
flWindow.Top = location.Y;
flWindow.Width = size.Width;
flWindow.Height = size.Height;
flWindow.Owner = Window.GetWindow(this);
flWindow.IsDockableWindow = isDockableWindow;
flWindow.ShowActivated = false;
flWindow.ApplyTemplate();
flWindow.Show();
}
}
ClearEmptyPanels(Content as ResizingPanel);
//get documents that are not present in last layout and must be included
//in the new one
var documentsNotTransferred = actualDocuments.Where(d => d.ContainerPane == null || d.ContainerPane.GetManager() != this).ToArray();
Debug.Assert(MainDocumentPane != null && MainDocumentPane.GetManager() == this);
if (MainDocumentPane != null && documentsNotTransferred.Count() > 0)
{
documentsNotTransferred.ForEach(d => MainDocumentPane.Items.Add(d.DetachFromContainerPane()));
}
//get contents that are not present in the new layout and hide them
var contentsNotTransferred = actualContents.Where(c => c.ContainerPane == null || c.ContainerPane.GetManager() != this).ToArray();
contentsNotTransferred.ForEach(c =>
{
Hide(c);
});
RestoringLayout = false;
ClearEmptyPanes();
RefreshContents();
if (ActiveDocument != null &&
(ActiveDocument.ContainerPane == null ||
ActiveDocument.ContainerPane.GetManager() != this))
{
if (Documents.Count > 0)
ActiveDocument = Documents[0];
else
ActiveDocument = null;
}
ActiveContent = ActiveDocument;
}
/// <summary>
/// Show a dockable content in its container with a desidered state
/// </summary>
/// <param name="content">Content to show</param>
/// <param name="desideredState">State desidered</param>
/// <param name="desideredAnchor">Border to which anchor the newly created container pane</param>
/// <remarks></remarks>
internal void Show(DockableContent content, DockableContentState desideredState, AnchorStyle desideredAnchor)
{
Debug.WriteLine(string.Format("Show Content={0}, desideredState={1}, desideredAnchor={2}", content.Name, desideredState, desideredAnchor));
#region Dockable content
if (desideredState == DockableContentState.Hidden)//??!!show hidden?
Hide(content);
if (content.State == DockableContentState.AutoHide)
{
//first redock the content
(content.ContainerPane as DockablePane).ToggleAutoHide();
//then show it as desidered
Show(content, desideredState, desideredAnchor);
}
else if (content.State == DockableContentState.Docked ||
content.State == DockableContentState.Document ||
content.State == DockableContentState.None)
{
if (content.ContainerPane == null ||
content.State == DockableContentState.None)
{
//Problem!? try to rescue
if (content.State == DockableContentState.Docked ||
content.State == DockableContentState.None)
{
//find the the pane which the desidered anchor style
//DockablePane foundPane = this.FindChildDockablePane(desideredAnchor != AnchorStyle.None ? desideredAnchor : AnchorStyle.Right);
//first search for a pane with other contents (avoiding empty panes which are containers for hidden contents)
ILinqToTree<DependencyObject> itemFound = new LogicalTreeAdapter(this).Descendants().FirstOrDefault(el => el.Item is DockablePane && (el.Item as DockablePane).Anchor == desideredAnchor && (el.Item as DockablePane).IsDocked);
if (itemFound == null)//search for all panes (even empty)
itemFound = new LogicalTreeAdapter(this).Descendants().FirstOrDefault(el => el.Item is DockablePane && (el.Item as DockablePane).Anchor == desideredAnchor && (el.Item as DockablePane).Items.Count == 0);
DockablePane foundPane = itemFound != null ? itemFound.Item as DockablePane : null;
if (foundPane != null)
{
content.SetStateToDock();
foundPane.Items.Add(content);
var containerPanel = foundPane.Parent as ResizingPanel;
if (containerPanel != null)
containerPanel.InvalidateMeasure();
}
else
{
//if no suitable pane was found create e new one on the fly
if (content.ContainerPane != null)
{
content.ContainerPane.RemoveContent(content);
}
DockablePane pane = new DockablePane();
pane.Items.Add(content);
Anchor(pane, desideredAnchor);
}
}
else
{
//add to main document pane
MainDocumentPane.Items.Add(content);
}
}
if (content.ContainerPane.GetManager() == null)
{
//disconnect the parent pane from previous panel
//((Panel)content.ContainerPane.Parent).Children.Remove(content.ContainerPane);
if (content.ContainerPane.Parent != null)
{
((Panel)content.ContainerPane.Parent).Children.Remove(content.ContainerPane);
}
Anchor(content.ContainerPane as DockablePane, desideredAnchor);
}
if (desideredState == DockableContentState.DockableWindow ||
desideredState == DockableContentState.FloatingWindow)
{
var floatingWindow = new DockableFloatingWindow(this);
floatingWindow.Content = content;
var mainWindow = Window.GetWindow(this);
if (mainWindow.IsVisible)
floatingWindow.Owner = mainWindow;
//floatingWindow.WindowStartupLocation = WindowStartupLocation.CenterOwner;
//if (content.Content != null)
//{
// floatingWindow.Width = Math.Min(((FrameworkElement)content.Content).ActualWidth, ResizingPanel.GetResizeWidth(content.ContainerPane));
// floatingWindow.Height = Math.Min(((FrameworkElement)content.Content).ActualHeight, ResizingPanel.GetResizeHeight(content.ContainerPane));
//}
//else
////{
// floatingWindow.Width = 400;
// floatingWindow.Height = 400;
//}
floatingWindow.Show();
}
else if (desideredState == DockableContentState.AutoHide)
{
var paneContainer = content.ContainerPane as DockablePane;
Debug.Assert(paneContainer != null);
if (paneContainer != null)
paneContainer.ToggleAutoHide();
content.Activate();
}
else if (desideredState == DockableContentState.Document)
{
DocumentPane docPane = MainDocumentPane;
if (docPane != null)
{
docPane.Items.Add(content.DetachFromContainerPane());
docPane.SelectedItem = content;
content.SetStateToDocument();
}
}
else
{
content.ContainerPane.SelectedItem = content;
content.Activate();
DockablePane dockParent = content.ContainerPane as DockablePane;
if (content.ActualWidth == 0.0 && (
dockParent.Anchor == AnchorStyle.Left || dockParent.Anchor == AnchorStyle.Right))
{
ResizingPanel.SetResizeWidth(dockParent, new GridLength(200));
ResizingPanel.SetEffectiveSize(dockParent, new Size(200, 0.0));
}
else if (content.ActualWidth == 0.0 && (
dockParent.Anchor == AnchorStyle.Top || dockParent.Anchor == AnchorStyle.Bottom))
{
ResizingPanel.SetResizeHeight(dockParent, new GridLength(200));
ResizingPanel.SetEffectiveSize(dockParent, new Size(200, 0.0));
}
}
}
else if (content.State == DockableContentState.Document)
{
if (content.ContainerPane != null)
content.ContainerPane.SelectedItem = this;
content.Activate();
}
else if (content.State == DockableContentState.Hidden ||
content.State == DockableContentState.DockableWindow ||
content.State == DockableContentState.FloatingWindow)
{
if (content.State == DockableContentState.Hidden)
{
//Debug.Assert(HiddenContents.Contains(content));
//HiddenContents.Remove(content);
}
else
{
FloatingWindow floatingWindow = null;
floatingWindow = (content.ContainerPane as FloatingDockablePane).FloatingWindow;
content.DetachFromContainerPane();
if (floatingWindow.HostedPane.Items.Count == 0)
floatingWindow.Close();
}
if (desideredState == DockableContentState.Docked ||
desideredState == DockableContentState.AutoHide)
{
if (content.SavedStateAndPosition != null &&
content.SavedStateAndPosition.ContainerPane != null &&
content.SavedStateAndPosition.ChildIndex >= 0 &&
content.SavedStateAndPosition.ContainerPane.GetManager() == this &&
desideredState == DockableContentState.Docked)
{
//ok previous container pane is here..
Pane prevPane = content.SavedStateAndPosition.ContainerPane;
if (content.SavedStateAndPosition.ChildIndex < prevPane.Items.Count)
{
prevPane.Items.Insert(content.SavedStateAndPosition.ChildIndex, content);
}
else
{
prevPane.Items.Add(content);
}
if (prevPane.Items.Count == 1)
{
if (!double.IsNaN(content.SavedStateAndPosition.Width) ||
!double.IsInfinity(content.SavedStateAndPosition.Width))
{
ResizingPanel.SetResizeWidth(content,
new GridLength(content.SavedStateAndPosition.Width));
}
}
DockablePane prevDockablePane = prevPane as DockablePane;
if (prevDockablePane != null && prevDockablePane.IsAutoHidden)
{
prevDockablePane.ToggleAutoHide();
}
content.SetStateToDock();
content.Activate();
(prevPane.Parent as UIElement).InvalidateMeasure();
}
else
{
if (desideredAnchor == AnchorStyle.None &&
content.SavedStateAndPosition != null &&
content.SavedStateAndPosition.Anchor != AnchorStyle.None)
desideredAnchor = content.SavedStateAndPosition.Anchor;
if (desideredAnchor == AnchorStyle.None)
desideredAnchor = AnchorStyle.Right;
DockablePane foundPane = null;
if (desideredState == DockableContentState.Docked)
{
//first not empty panes
ILinqToTree<DependencyObject> itemFound = new LogicalTreeAdapter(this).Descendants().FirstOrDefault(el => el.Item is DockablePane && (el.Item as DockablePane).Anchor == desideredAnchor && (el.Item as DockablePane).IsDocked);
if (itemFound == null)//look for all panes even empty
itemFound = new LogicalTreeAdapter(this).Descendants().FirstOrDefault(el => el.Item is DockablePane && (el.Item as DockablePane).Anchor == desideredAnchor && (el.Item as DockablePane).Items.Count == 0);
foundPane = itemFound != null ? itemFound.Item as DockablePane : null;
}
if (foundPane != null)
{
content.SetStateToDock();
foundPane.Items.Add(content);
if ((foundPane.IsAutoHidden && desideredState == DockableContentState.Docked) ||
(!foundPane.IsAutoHidden && desideredState == DockableContentState.AutoHide))
foundPane.ToggleAutoHide();
}
else
{
DockablePane newHostpane = new DockablePane();
newHostpane.Items.Add(content);
if (desideredAnchor == AnchorStyle.Left ||
desideredAnchor == AnchorStyle.Right)
{
double w = 200;
if (content.SavedStateAndPosition != null &&
!double.IsInfinity(content.SavedStateAndPosition.Width) &&
!double.IsNaN(content.SavedStateAndPosition.Width))
w = content.SavedStateAndPosition.Width;
ResizingPanel.SetResizeWidth(newHostpane, new GridLength(w));
ResizingPanel.SetEffectiveSize(newHostpane, new Size(w, 0.0));
}
else
{
double h = 200;
if (content.SavedStateAndPosition != null &&
!double.IsInfinity(content.SavedStateAndPosition.Height) &&
!double.IsNaN(content.SavedStateAndPosition.Height))
h = content.SavedStateAndPosition.Height;
ResizingPanel.SetResizeHeight(newHostpane, new GridLength(h));
ResizingPanel.SetEffectiveSize(newHostpane, new Size(0.0, h));
}
Anchor(newHostpane, desideredAnchor);
if (desideredState == DockableContentState.AutoHide)
{
ToggleAutoHide(newHostpane);
}
}
}
ActiveContent = content;
}
else if (desideredState == DockableContentState.DockableWindow ||
desideredState == DockableContentState.FloatingWindow)
{
DockablePane newHostpane = null;
FloatingDockablePane prevHostpane = null;
if (content.SavedStateAndPosition != null && content.SavedStateAndPosition.ContainerPane != null && content.SavedStateAndPosition.ContainerPane is FloatingDockablePane)
{
prevHostpane = content.SavedStateAndPosition.ContainerPane as FloatingDockablePane;
if (!prevHostpane.Items.Contains(content))
prevHostpane.Items.Add(content);
}
else
{
newHostpane = new DockablePane();
newHostpane.Items.Add(content);
}
if (desideredState == DockableContentState.DockableWindow)
content.SetStateToDockableWindow();
else if (desideredState == DockableContentState.FloatingWindow)
content.SetStateToFloatingWindow();
if (prevHostpane != null)
{
//check to see if floating window that host prevHostPane is already loaded (hosting other contents)
var floatingWindow = prevHostpane.Parent as DockableFloatingWindow;
if (floatingWindow != null && floatingWindow.IsLoaded)
{
floatingWindow.Activate();
}
else
{
floatingWindow = new DockableFloatingWindow(this);
floatingWindow.Content = content;
floatingWindow.WindowStartupLocation = WindowStartupLocation.Manual;
floatingWindow.Top = prevHostpane.FloatingWindow.Top;
floatingWindow.Left = prevHostpane.FloatingWindow.Left;
floatingWindow.Width = prevHostpane.FloatingWindow.Width;
floatingWindow.Height = prevHostpane.FloatingWindow.Height;
//floatingWindow.Owner = Window.GetWindow(this);
var mainWindow = Window.GetWindow(this);
if (mainWindow.IsVisible)
floatingWindow.Owner = mainWindow;
//now I've created a new pane to host the hidden content
//if a an hidden content is shown that has prevHostpane as saved pane
//I want that it is relocated in this new pane that I've created right now
var hiddenContents = DockableContents.Where(c => c.State == DockableContentState.Hidden).ToArray();
foreach (var hiddenContent in hiddenContents)
{
if (hiddenContent.SavedStateAndPosition.ContainerPane == prevHostpane)
{
hiddenContent.SavedStateAndPosition = new DockableContentStateAndPosition(
(floatingWindow.Content as Pane),
hiddenContent.SavedStateAndPosition.ChildIndex,
hiddenContent.SavedStateAndPosition.Width,
hiddenContent.SavedStateAndPosition.Height,
hiddenContent.SavedStateAndPosition.Anchor,
hiddenContent.SavedStateAndPosition.State);
}
}
floatingWindow.Show();
}
}
else if (newHostpane != null)
{
var floatingWindow = new DockableFloatingWindow(this);
floatingWindow.Content = newHostpane;
floatingWindow.WindowStartupLocation = WindowStartupLocation.CenterScreen;
floatingWindow.Width = 200;
floatingWindow.Height = 500;
//floatingWindow.Owner = Window.GetWindow(this);
var mainWindow = Window.GetWindow(this);
if (mainWindow.IsVisible)
floatingWindow.Owner = mainWindow;
floatingWindow.Show();
}
}
else if (desideredState == DockableContentState.Document)
{
DocumentPane docPane = MainDocumentPane;
if (docPane != null)
{
docPane.Items.Add(content);
docPane.SelectedItem = content;
content.SetStateToDocument();
}
}
}
#endregion
}