A class that wraps up zooming and panning of it's content.
Esempio n. 1
0
        // 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;
            }
        }
Esempio n. 2
0
        // 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();
        }
Esempio n. 5
0
        // 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;
        }
Esempio n. 8
0
        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;
        }
Esempio n. 9
0
 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;
 }
Esempio n. 10
0
        // 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;
        }
Esempio n. 11
0
 // Zoom the viewport in by a small increment
 public static void ZoomIn(ZoomAndPanControl z, Point contentZoomCenter)
 {
     z.ZoomAboutPoint(z.ContentScale + 0.1, contentZoomCenter);
 }
Esempio n. 12
0
        // 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);
            }
        }
Esempio n. 13
0
 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;
 }