// Event raised on mouse down in the ZoomAndPanControl
public static void MouseDown(object sender, MouseButtonEventArgs e,Panel p, ZoomAndPanControl z)
{
p.Focus();
Keyboard.Focus(p);
mouseButtonDown = e.ChangedButton;
origZoomAndPanControlMouseDownPoint = e.GetPosition(z);
origContentMouseDownPoint = e.GetPosition(p);
if ((Keyboard.Modifiers & ModifierKeys.Shift) != 0 &&
(e.ChangedButton == MouseButton.Left ||
e.ChangedButton == MouseButton.Right))
{
// Shift + left- or right-down initiates zooming mode.
mouseHandlingMode = MouseHandlingMode.Zooming;
}
else if (mouseButtonDown == MouseButton.Left)
{
// Just a plain old left-down initiates panning mode.
mouseHandlingMode = MouseHandlingMode.Panning;
}
if (mouseHandlingMode != MouseHandlingMode.None)
{
// Capture the mouse so that we eventually receive the mouse up event.
z.CaptureMouse();
e.Handled = true;
}
}
// Event raised on mouse move in the ZoomAndPanControl
public static void MouseMove(object sender, MouseEventArgs e, Panel p,ZoomAndPanControl z)
{
if (mouseHandlingMode == MouseHandlingMode.Panning)
{
//
// The user is left-dragging the mouse.
// Pan the viewport by the appropriate amount.
//
Point curContentMousePoint = e.GetPosition(p);
Vector dragOffset = curContentMousePoint - origContentMouseDownPoint;
z.ContentOffsetX -= dragOffset.X;
z.ContentOffsetY -= dragOffset.Y;
e.Handled = true;
}
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
#line 14 "..\..\OverviewWindow.xaml"
((SampleCode.OverviewWindow)(target)).MouseDown += new System.Windows.Input.MouseButtonEventHandler(this.Window_MouseDown);
#line default
#line hidden
return;
case 2:
this.overview = ((ZoomAndPan.ZoomAndPanControl)(target));
#line 156 "..\..\OverviewWindow.xaml"
this.overview.Loaded += new System.Windows.RoutedEventHandler(this.overview_Loaded);
#line default
#line hidden
#line 157 "..\..\OverviewWindow.xaml"
this.overview.SizeChanged += new System.Windows.SizeChangedEventHandler(this.overview_SizeChanged);
#line default
#line hidden
return;
case 3:
this.networkControl = ((NetworkUI.NetworkView)(target));
return;
case 4:
this.overviewZoomRectThumb = ((System.Windows.Controls.Primitives.Thumb)(target));
#line 191 "..\..\OverviewWindow.xaml"
this.overviewZoomRectThumb.DragDelta += new System.Windows.Controls.Primitives.DragDeltaEventHandler(this.overviewZoomRectThumb_DragDelta);
#line default
#line hidden
return;
}
this._contentLoaded = true;
}
/// <summary>
/// Event raised when the 'ContentOffsetY' property has changed value.
/// </summary>
private static void ContentOffsetY_PropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ZoomAndPanControl c = (ZoomAndPanControl)o;
c.UpdateTranslationY();
// Normally want to automatically update content focus when content offset changes.
// Although this is disabled using 'disableContentFocusSync' when content offset changes due to in-progress zooming.
if (!c.disableContentFocusSync)
{
c.UpdateContentZoomFocusY();
}
// Raise an event to let users of the control know that the content offset has changed.
if (c.ContentOffsetYChanged != null)
{
c.ContentOffsetYChanged(c, EventArgs.Empty);
}
// Notify the owning ScrollViewer that the scrollbar offsets should be updated.
c.UpdateScrollOffsets();
}
// Event raised on mouse up in the ZoomAndPanControl
public static void MouseUp(object sender, MouseButtonEventArgs e,ZoomAndPanControl z)
{
if (mouseHandlingMode != MouseHandlingMode.None)
{
if (mouseHandlingMode == MouseHandlingMode.Zooming)
{
if (mouseButtonDown == MouseButton.Left)
{
// Shift + left-click zooms in on the content.
ZoomIn(z,origContentMouseDownPoint);
}
else if (mouseButtonDown == MouseButton.Right)
{
// Shift + left-click zooms out from the content.
ZoomOut(z, origContentMouseDownPoint);
}
}
z.ReleaseMouseCapture();
mouseHandlingMode = MouseHandlingMode.None;
e.Handled = true;
}
}
/// <summary>
/// Event raised 'MinContentScale' or 'MaxContentScale' has changed.
/// </summary>
private static void MinOrMaxContentScale_PropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ZoomAndPanControl c = (ZoomAndPanControl)o;
c.ContentScale = Math.Min(Math.Max(c.ContentScale, c.MinContentScale), c.MaxContentScale);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
#line 13 "..\..\..\Views\ZoomControl.xaml"
((MKView.Views.ZoomControl)(target)).MouseWheel += new System.Windows.Input.MouseWheelEventHandler(this.UserControl_MouseWheel);
#line default
#line hidden
return;
case 2:
#line 52 "..\..\..\Views\ZoomControl.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.ZoomOut_Executed);
#line default
#line hidden
return;
case 3:
#line 56 "..\..\..\Views\ZoomControl.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.ZoomIn_Executed);
#line default
#line hidden
return;
case 4:
#line 60 "..\..\..\Views\ZoomControl.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.JumpBackToPrevZoom_Executed);
#line default
#line hidden
#line 61 "..\..\..\Views\ZoomControl.xaml"
((System.Windows.Input.CommandBinding)(target)).CanExecute += new System.Windows.Input.CanExecuteRoutedEventHandler(this.JumpBackToPrevZoom_CanExecuted);
#line default
#line hidden
return;
case 5:
#line 65 "..\..\..\Views\ZoomControl.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.Fill_Executed);
#line default
#line hidden
return;
case 6:
#line 69 "..\..\..\Views\ZoomControl.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.OneHundredPercent_Executed);
#line default
#line hidden
return;
case 7:
this.scroller = ((System.Windows.Controls.ScrollViewer)(target));
return;
case 8:
this.zoomAndPanControl = ((ZoomAndPan.ZoomAndPanControl)(target));
#line 171 "..\..\..\Views\ZoomControl.xaml"
this.zoomAndPanControl.MouseDown += new System.Windows.Input.MouseButtonEventHandler(this.zoomAndPanControl_MouseDown);
#line default
#line hidden
#line 172 "..\..\..\Views\ZoomControl.xaml"
this.zoomAndPanControl.MouseUp += new System.Windows.Input.MouseButtonEventHandler(this.zoomAndPanControl_MouseUp);
#line default
#line hidden
#line 173 "..\..\..\Views\ZoomControl.xaml"
this.zoomAndPanControl.MouseMove += new System.Windows.Input.MouseEventHandler(this.zoomAndPanControl_MouseMove);
#line default
#line hidden
#line 174 "..\..\..\Views\ZoomControl.xaml"
this.zoomAndPanControl.MouseWheel += new System.Windows.Input.MouseWheelEventHandler(this.zoomAndPanControl_MouseWheel);
#line default
#line hidden
#line 175 "..\..\..\Views\ZoomControl.xaml"
this.zoomAndPanControl.MouseDoubleClick += new System.Windows.Input.MouseButtonEventHandler(this.zoomAndPanControl_MouseDoubleClick);
#line default
#line hidden
return;
case 9:
this.content = ((System.Windows.Controls.Viewbox)(target));
return;
case 10:
this.dragZoomCanvas = ((System.Windows.Controls.Canvas)(target));
return;
case 11:
this.dragZoomBorder = ((System.Windows.Controls.Border)(target));
return;
}
this._contentLoaded = true;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.mainWindow = ((SampleCode.MainWindow)(target));
#line 16 "..\..\MainWindow.xaml"
this.mainWindow.Loaded += new System.Windows.RoutedEventHandler(this.MainWindow_Loaded);
#line default
#line hidden
return;
case 3:
#line 481 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.DeleteSelectedNodes_Executed);
#line default
#line hidden
return;
case 4:
#line 485 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.CreateNode_Executed);
#line default
#line hidden
return;
case 5:
#line 489 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.DeleteNode_Executed);
#line default
#line hidden
return;
case 6:
#line 493 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.DeleteConnection_Executed);
#line default
#line hidden
return;
case 7:
#line 497 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.ZoomOut_Executed);
#line default
#line hidden
return;
case 8:
#line 501 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.ZoomIn_Executed);
#line default
#line hidden
return;
case 9:
#line 505 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.JumpBackToPrevZoom_Executed);
#line default
#line hidden
#line 506 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).CanExecute += new System.Windows.Input.CanExecuteRoutedEventHandler(this.JumpBackToPrevZoom_CanExecuted);
#line default
#line hidden
return;
case 10:
#line 510 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.FitContent_Executed);
#line default
#line hidden
return;
case 11:
#line 514 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.Fill_Executed);
#line default
#line hidden
return;
case 12:
#line 518 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.OneHundredPercent_Executed);
#line default
#line hidden
return;
case 13:
this.zoomAndPanControl = ((ZoomAndPan.ZoomAndPanControl)(target));
return;
case 14:
this.networkControl = ((NetworkUI.NetworkView)(target));
#line 779 "..\..\MainWindow.xaml"
this.networkControl.ConnectionDragStarted += new NetworkUI.ConnectionDragStartedEventHandler(this.networkControl_ConnectionDragStarted);
#line default
#line hidden
#line 780 "..\..\MainWindow.xaml"
this.networkControl.QueryConnectionFeedback += new NetworkUI.QueryConnectionFeedbackEventHandler(this.networkControl_QueryConnectionFeedback);
#line default
#line hidden
#line 781 "..\..\MainWindow.xaml"
this.networkControl.ConnectionDragging += new NetworkUI.ConnectionDraggingEventHandler(this.networkControl_ConnectionDragging);
#line default
#line hidden
#line 782 "..\..\MainWindow.xaml"
this.networkControl.ConnectionDragCompleted += new NetworkUI.ConnectionDragCompletedEventHandler(this.networkControl_ConnectionDragCompleted);
#line default
#line hidden
#line 784 "..\..\MainWindow.xaml"
this.networkControl.MouseDown += new System.Windows.Input.MouseButtonEventHandler(this.networkControl_MouseDown);
#line default
#line hidden
#line 785 "..\..\MainWindow.xaml"
this.networkControl.MouseUp += new System.Windows.Input.MouseButtonEventHandler(this.networkControl_MouseUp);
#line default
#line hidden
#line 786 "..\..\MainWindow.xaml"
this.networkControl.MouseMove += new System.Windows.Input.MouseEventHandler(this.networkControl_MouseMove);
#line default
#line hidden
#line 787 "..\..\MainWindow.xaml"
this.networkControl.MouseWheel += new System.Windows.Input.MouseWheelEventHandler(this.networkControl_MouseWheel);
#line default
#line hidden
return;
case 15:
this.dragZoomCanvas = ((System.Windows.Controls.Canvas)(target));
return;
case 16:
this.dragZoomBorder = ((System.Windows.Controls.Border)(target));
return;
}
this._contentLoaded = true;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
#line 12 "..\..\OverviewWindow.xaml"
((ZoomAndPanSample.OverviewWindow)(target)).MouseDown += new System.Windows.Input.MouseButtonEventHandler(this.Window_MouseDown);
#line default
#line hidden
return;
case 2:
this.overview = ((ZoomAndPan.ZoomAndPanControl)(target));
#line 46 "..\..\OverviewWindow.xaml"
this.overview.SizeChanged += new System.Windows.SizeChangedEventHandler(this.overview_SizeChanged);
#line default
#line hidden
return;
case 3:
#line 55 "..\..\OverviewWindow.xaml"
((System.Windows.Controls.Grid)(target)).SizeChanged += new System.Windows.SizeChangedEventHandler(this.overview_SizeChanged);
#line default
#line hidden
return;
case 4:
this.content = ((System.Windows.Controls.ItemsControl)(target));
return;
case 5:
this.overviewZoomRectThumb = ((System.Windows.Controls.Primitives.Thumb)(target));
#line 95 "..\..\OverviewWindow.xaml"
this.overviewZoomRectThumb.DragDelta += new System.Windows.Controls.Primitives.DragDeltaEventHandler(this.overviewZoomRectThumb_DragDelta);
#line default
#line hidden
return;
}
this._contentLoaded = true;
}
// Zoom in/out centered on the specified point (in content coordinates).
public static void ZoomAboutPoint(double newContentScale, Point contentZoomFocus,ZoomAndPanControl z)
{
newContentScale = Math.Min(Math.Max(newContentScale, z.MinContentScale), z.MaxContentScale);
double screenSpaceZoomOffsetX = (contentZoomFocus.X - z.ContentOffsetX) * z.ContentScale;
double screenSpaceZoomOffsetY = (contentZoomFocus.Y - z.ContentOffsetY) * z.ContentScale;
double contentSpaceZoomOffsetX = screenSpaceZoomOffsetX / newContentScale;
double contentSpaceZoomOffsetY = screenSpaceZoomOffsetY / newContentScale;
double newContentOffsetX = contentZoomFocus.X - contentSpaceZoomOffsetX;
double newContentOffsetY = contentZoomFocus.Y - contentSpaceZoomOffsetY;
z.ContentScale = newContentScale;
z.ContentOffsetX = newContentOffsetX;
z.ContentOffsetY = newContentOffsetY;
}
// Zoom the viewport in by a small increment
public static void ZoomIn(ZoomAndPanControl z, Point contentZoomCenter)
{
z.ZoomAboutPoint(z.ContentScale + 0.1, contentZoomCenter);
}
// Event raised by rotating the mouse wheel
public static void MouseWheel(object sender, MouseWheelEventArgs e, ZoomAndPanControl z,Panel p)
{
e.Handled = true;
if (e.Delta > 0)
{
Point curContentMousePoint = e.GetPosition(p);
ZoomIn(z,curContentMousePoint);
}
else if (e.Delta < 0)
{
Point curContentMousePoint = e.GetPosition(p);
ZoomOut(z,curContentMousePoint);
}
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
#line 9 "..\..\MainWindow.xaml"
((ZoomAndPanSample.MainWindow)(target)).Loaded += new System.Windows.RoutedEventHandler(this.MainWindow_Loaded);
#line default
#line hidden
return;
case 3:
#line 151 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.ZoomOut_Executed);
#line default
#line hidden
return;
case 4:
#line 155 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.ZoomIn_Executed);
#line default
#line hidden
return;
case 5:
#line 159 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.JumpBackToPrevZoom_Executed);
#line default
#line hidden
#line 160 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).CanExecute += new System.Windows.Input.CanExecuteRoutedEventHandler(this.JumpBackToPrevZoom_CanExecuted);
#line default
#line hidden
return;
case 6:
#line 164 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.Fill_Executed);
#line default
#line hidden
return;
case 7:
#line 168 "..\..\MainWindow.xaml"
((System.Windows.Input.CommandBinding)(target)).Executed += new System.Windows.Input.ExecutedRoutedEventHandler(this.OneHundredPercent_Executed);
#line default
#line hidden
return;
case 8:
this.zoomAndPanControl = ((ZoomAndPan.ZoomAndPanControl)(target));
#line 300 "..\..\MainWindow.xaml"
this.zoomAndPanControl.MouseDown += new System.Windows.Input.MouseButtonEventHandler(this.zoomAndPanControl_MouseDown);
#line default
#line hidden
#line 301 "..\..\MainWindow.xaml"
this.zoomAndPanControl.MouseUp += new System.Windows.Input.MouseButtonEventHandler(this.zoomAndPanControl_MouseUp);
#line default
#line hidden
#line 302 "..\..\MainWindow.xaml"
this.zoomAndPanControl.MouseMove += new System.Windows.Input.MouseEventHandler(this.zoomAndPanControl_MouseMove);
#line default
#line hidden
#line 303 "..\..\MainWindow.xaml"
this.zoomAndPanControl.MouseWheel += new System.Windows.Input.MouseWheelEventHandler(this.zoomAndPanControl_MouseWheel);
#line default
#line hidden
#line 304 "..\..\MainWindow.xaml"
this.zoomAndPanControl.MouseDoubleClick += new System.Windows.Input.MouseButtonEventHandler(this.zoomAndPanControl_MouseDoubleClick);
#line default
#line hidden
return;
case 9:
this.content = ((System.Windows.Controls.ListBox)(target));
return;
case 10:
this.dragZoomCanvas = ((System.Windows.Controls.Canvas)(target));
return;
case 11:
this.dragZoomBorder = ((System.Windows.Controls.Border)(target));
return;
}
this._contentLoaded = true;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
this.ZoomAndPan = ((ZoomAndPan.ZoomAndPanControl)(target));
return;
case 2:
this.ImageCanvas = ((System.Windows.Controls.Canvas)(target));
return;
}
this._contentLoaded = true;
}
