private void ContextSelectionChanged(object sender, EventArgs e)
{
// Display the properties of the most recently selected event in the currently active document.
if ((m_documentRegistry != null) && (m_documentRegistry.ActiveDocument != null))
{
WinGuiWpfDataContext dataContext = m_documentRegistry.ActiveDocument.As <WinGuiWpfDataContext>();
m_eventViewModel.Event = dataContext.Selection.LastSelected.As <WinGuiCommon.Event>();
}
}
/// <summary>
/// Notifies the client that its Control has been activated. Activation occurs when
/// the Control gets focus, or a parent "host" Control gets focus.</summary>
/// <param name="control">Client Control that was activated</param>
/// <remarks>This method is only called by IControlHostService if the Control was previously
/// registered for this IControlHostClient.</remarks>
void IControlHostClient.Activate(object control)
{
WinGuiWpfDataDocument document = null;
if (control is System.Windows.Forms.Control)
{
document = ((System.Windows.Forms.Control)control).Tag as WinGuiWpfDataDocument;
}
if (document != null)
{
m_documentRegistry.ActiveDocument = document;
WinGuiWpfDataContext context = document.As <WinGuiWpfDataContext>();
m_contextRegistry.ActiveContext = context;
}
}
/// <summary>
/// Closes the document and removes any views of it from the UI</summary>
/// <param name="document">Document to close</param>
public void Close(IDocument document)
{
WinGuiWpfDataContext context = Adapters.As <WinGuiWpfDataContext>(document);
m_controlHostService.UnregisterContent(context.ListView);
context.ControlInfo = null;
context.SelectionChanged -= ContextSelectionChanged;
// close all active EditingContexts in the document
foreach (DomNode node in context.DomNode.Subtree)
{
foreach (EditingContext editingContext in node.AsAll <EditingContext>())
{
m_contextRegistry.RemoveContext(editingContext);
}
}
// close the document
m_documentRegistry.Remove(document);
}
/// <summary>
/// Makes the document visible to the user</summary>
/// <param name="document">Document to show</param>
public void Show(IDocument document)
{
WinGuiWpfDataContext context = Adapters.As <WinGuiWpfDataContext>(document);
m_controlHostService.Show(context.ListView);
}
/// <summary>
/// Opens or creates a document at the given URI</summary>
/// <param name="uri">Document URI</param>
/// <returns>Document, or null if the document couldn't be opened or created</returns>
public IDocument Open(Uri uri)
{
DomNode node = null;
string filePath = uri.LocalPath;
string fileName = Path.GetFileName(filePath);
if (File.Exists(filePath))
{
// read existing document using standard XML reader
using (FileStream stream = new FileStream(filePath, FileMode.Open, FileAccess.Read))
{
DomXmlReader reader = new DomXmlReader(m_schemaLoader);
node = reader.Read(stream, uri);
}
}
else
{
// create new document by creating a Dom node of the root type defined by the schema
node = new DomNode(Schema.winGuiCommonDataType.Type, Schema.winGuiCommonDataRootElement);
}
WinGuiWpfDataDocument document = null;
if (node != null)
{
// Initialize Dom extensions now that the data is complete
node.InitializeExtensions();
WinGuiWpfDataContext context = node.As <WinGuiWpfDataContext>();
context.SelectionChanged += ContextSelectionChanged;
ControlInfo controlInfo = new ControlInfo(Path.Combine(filePath, fileName), StandardControlGroup.Center, new Sce.Atf.Wpf.Docking.DockContent(null, null), this);
context.ControlInfo = controlInfo;
// set document URI
document = node.As <WinGuiWpfDataDocument>();
document.Uri = uri;
context.ListView.Tag = document;
// If the document is empty, add some data so there's something to look at
if (!context.Items.Any(typeof(object)))
{
DomNode domNode = new DomNode(Schema.eventType.Type);
domNode.SetAttribute(Schema.eventType.nameAttribute, "First Event");
domNode.SetAttribute(Schema.eventType.durationAttribute, 100);
var dataObject = new System.Windows.DataObject(new object[] { domNode });
context.Insert(dataObject);
domNode = new DomNode(Schema.eventType.Type);
domNode.SetAttribute(Schema.eventType.nameAttribute, "Second Event");
domNode.SetAttribute(Schema.eventType.durationAttribute, 200);
var dataObject2 = new System.Windows.DataObject(new object[] { domNode });
context.Insert(dataObject2);
}
// show the ListView control
ControlInfo registeredControlInfo = (ControlInfo)m_controlHostService.RegisterControl(context.ListView,
fileName,
"WPF Sample file",
controlInfo.Group,
fileName,
this);
if (registeredControlInfo.DockContent != null)
{
registeredControlInfo.DockContent.Closing += DockContent_Closing;
}
}
return(document);
}
