/// <summary>
/// Displays content in a window
/// </summary>
/// <param name="windowTitle">Title text shown in window</param>
/// <param name="windowContents">Contents of the window</param>
/// <param name="isModal">Determines wheter the window is modal or not</param>
/// <param name="onClosingHandler">Event handler invoked when window is closing, and can be handled to cancel window closure</param>
/// <param name="windowType">The type of the window</param>
/// <param name="onClosedHandler">Event handler invoked when window is closed</param>
/// <param name="top">The distance from the top of the application at which to position the window</param>
/// <param name="left">The distance from the left of the application at which to position the window</param>
/// <returns>The window</returns>
public object ShowWindow(string windowTitle, FrameworkElement windowContents, bool isModal = false,
EventHandler<CancelEventArgs> onClosingHandler = null, EventHandler onClosedHandler = null,
WindowType windowType = WindowType.Floating, double? top = null, double? left = null)
{
if (windowContents == null)
throw new ArgumentNullException("windowContents");
int hashCode = windowContents.GetHashCode();
FloatingWindow floatingWindow = null;
if (!m_FloatingWindows.TryGetValue(hashCode, out floatingWindow))
{
// not existing yet
floatingWindow = new FloatingWindow()
{
Title = windowTitle ?? string.Empty,
};
switch (windowType)
{
case WindowType.Floating:
if (FloatingWindowStyle != null)
floatingWindow.Style = FloatingWindowStyle;
break;
case WindowType.DesignTimeFloating:
if (DesignTimeWindowStyle != null)
floatingWindow.Style = DesignTimeWindowStyle;
else if (FloatingWindowStyle != null) // fallback to FloatingWindowStyle
floatingWindow.Style = FloatingWindowStyle;
break;
}
floatingWindow.Closed += (o, e) =>
{
if (onClosedHandler != null)
onClosedHandler.Invoke(o, e);
m_FloatingWindows.Remove(hashCode);
if (floatingWindow != null)
floatingWindow.Content = null;
};
if (onClosingHandler != null)
floatingWindow.Closing += onClosingHandler;
floatingWindow.Content = windowContents;
m_FloatingWindows.Add(hashCode, floatingWindow);
}
if (top != null)
floatingWindow.VerticalOffset = (double)top;
if (left != null)
floatingWindow.HorizontalOffset = (double)left;
floatingWindow.Show(isModal);
return floatingWindow;
}
/// <summary>
/// Executed when the a key is presses when the window is open.
/// </summary>
/// <param name="sender">Sender object.</param>
/// <param name="e">Key event args.</param>
private void ChildWindow_KeyDown(object sender, KeyEventArgs e)
{
FloatingWindow ew = sender as FloatingWindow;
Debug.Assert(ew != null, "FloatableWindow instance is null.");
// Ctrl+Shift+F4 closes the FloatableWindow
if (e != null && !e.Handled && e.Key == Key.F4 &&
((Keyboard.Modifiers & ModifierKeys.Control) == ModifierKeys.Control) &&
((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift))
{
ew.Hide();
e.Handled = true;
}
}
public void Execute(object parameter)
{
if (!string.IsNullOrWhiteSpace(StyleName) && AttachmentEditorStyle == null)
return;
FeatureLayer layer = GetFeatureLayer(parameter);
if (layer == null)
return;
Graphic graphic = layer.SelectedGraphics != null ? layer.SelectedGraphics.ElementAt(0) : null;
if (graphic == null)
return;
if (_configuration == null)
_configuration = new AttachmentEditorConfiguration();
if (_attachmentEditor == null)
{
_attachmentEditor = new AttachmentEditor();
_attachmentEditor.Width = _configuration.Width;
_attachmentEditor.Height = _configuration.Height;
_attachmentEditor.FilterIndex = _configuration.FilterIndex;
_attachmentEditor.Filter = _configuration.Filter;
_attachmentEditor.Multiselect = _configuration.MultiSelect;
if(AttachmentEditorStyle != null)
_attachmentEditor.Style = AttachmentEditorStyle;
_window = new FloatingWindow();
_window.Content = _attachmentEditor;
_window.Title = Resources.Strings.AttachmentEditorHeader;
}
_attachmentEditor.DataContext = _configuration;
_attachmentEditor.GraphicSource = null;
_attachmentEditor.FeatureLayer = null;
if (graphic != null)
{
_attachmentEditor.FeatureLayer = layer;
_attachmentEditor.GraphicSource = graphic;
_window.Show(true);
}
}