internal void ActivateCanvas(GraphCanvas canvas)
{
if (canvas == CurrentGraphCanvas)
{
return;
}
//canvas
//this.canvasGrid.Children.Remove(canvas);
//this.canvasGrid.Children.Add(canvas);
canvas.graphCanvas.Focus();
//scale
GraphVisualHost.sliderScrollHandled = true;// set the slider value and scrollview,
//no need HandleScrollViewerScrollChanged
double sliderValue;
double horizontalOffset;
double verticalOffset;
canvas.GetZoomAndPanInfo(out sliderValue, out horizontalOffset, out verticalOffset);
slider.Value = sliderValue;
this.scaleTransform.ScaleX = sliderValue;
this.scaleTransform.ScaleY = sliderValue;
canvasScrollViewer.ScrollToHorizontalOffset(horizontalOffset);
canvasScrollViewer.ScrollToVerticalOffset(verticalOffset);
//record the canvasId
currentGraphCanvas = graphCanvases.IndexOf(canvas);
}
private void AddGraphCanvas(GraphCanvas graphCanvas, string canvasName)
{
if (graphCanvases.Count == 0)
{
this.libraryView.Visibility = Visibility.Visible;
this.zoomAndPanControl.Visibility = Visibility.Visible;
}
//add canvas
graphCanvases.Add(graphCanvas);
canvasGrid.Children.Add(graphCanvas);
currentGraphCanvas = graphCanvases.Count - 1;
//add tab
string tabName = string.Empty;
if (string.IsNullOrEmpty(canvasName))
{
newCanvasCount++;
tabName = DesignScriptStudio.Graph.Core.Configurations.DefaultName + newCanvasCount.ToString();
}
else
{
tabName = canvasName;
}
tabControl.AddTab(tabName, graphCanvas);
//reset canvas
ResetZoomAndPan();
if (null != this.hostApplication)
{
this.hostApplication.GraphActivated((uint)currentGraphCanvas);
}
}
public IGraphController GetController(uint identifier)
{
if (uint.MaxValue == identifier) // Get the current controller.
{
if (null == graphCanvases || (graphCanvases.Count <= 0))
{
return(null);
}
GraphCanvas graphCanvas = graphCanvases[currentGraphCanvas];
if (null == graphCanvas.VisualHost) // When file first loaded.
{
return(null);
}
return(graphCanvases[currentGraphCanvas].Controller);
}
foreach (GraphCanvas canvas in graphCanvases)
{
IGraphController controller = canvas.Controller;
if (controller.Identifier == identifier)
{
return(controller);
}
}
return(null);
}
private void NewExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (this.graphCanvases.Count() == 0 || tabControl.CloseTab(tabControl.TabControl.SelectedContent))
{
GraphCanvas graphCanvas = new GraphCanvas(this);
AddGraphCanvas(graphCanvas, null);
}
}
internal void UpdateCurrentCanvas(uint identifier)
{
GraphCanvas canvas = GetCanvas(identifier);
if (canvas != null)
{
currentGraphCanvas = graphCanvases.IndexOf(canvas);
}
}
private void DeleteExecuted(object sender, ExecutedRoutedEventArgs e)
{
GraphCanvas graphCanvas = this.CurrentGraphCanvas;
if (null != graphCanvas)
{
graphCanvas.VisualHost.HandleShortcutDelete();
}
}
internal void AddTab(string tabName, GraphCanvas canvas)
{
GraphTabItem newTab = new GraphTabItem(this, this.graphControl);
newTab.Header = tabName;
newTab.Canvas = canvas;
newTab.IsInEditMode = false;
tabs.Add(newTab);
TabControl.SelectedIndex = tabs.Count() - 1;
}
internal void SnapShotCanvas(uint identifier)
{
GraphCanvas canvas = GetCanvas(identifier);
if (canvas != null)
{
canvas.SetZoomAndPanInfo(slider.Value, canvasScrollViewer.HorizontalOffset, canvasScrollViewer.VerticalOffset);
}
ResetZoomAndPan();
}
private void CreateBlankOrRecoveredCanvas(bool recovery)
{
GraphCanvas graphCanvas = null;
if (false != recovery) // We're in recovery mode.
{
if (null == filesToRecover || (filesToRecover.Count <= 0))
{
throw new InvalidOperationException("Nothing to recover (A0FFDCB8BBE9)");
}
try
{
// We did find some files to recover from...
uint graphId = filesToRecover.Keys.ElementAt(0);
string fileToRecover = filesToRecover[graphId];
graphCanvas = new GraphCanvas(this, fileToRecover);
}
catch (Exception)
{
// Some problem due to recovery, we can't do much about those
// backup files now, so proceed to create the default blank
// canvas as per normal. We don't want some backup files to
// cause DSS to be not-launchable.
}
}
if (null == graphCanvas) // Just in case recovery failed.
{
// Not in recovery mode, create empty.
graphCanvas = new GraphCanvas(this);
}
//create the first canvas
graphCanvases.Add(graphCanvas);
currentGraphCanvas = graphCanvases.Count - 1;
canvasGrid.Children.Add(graphCanvas);
newCanvasCount++;
string header = "Graph" + newCanvasCount.ToString();
tabControl.AddTab(header, graphCanvas);
canvasScrollViewer.Focusable = false;
graphCanvas.Focusable = true;
graphCanvas.Focus();
ResetZoomAndPan();
}
public CustomTextBox(GraphCanvas newGraphCanvas, bool acceptReturn, SolidColorBrush backgroundColor, String font,
FontWeight weight, double fontSize, double maxWidth, double minWidth)
{
InitializeComponent();
this.InternalTextBox.Text = "";
emptyWidth = this.InternalTextBox.ActualWidth;
this.Focusable = true;
this.IsEnabled = true;
TextBoxGrid.Focusable = true;
TextBoxGrid.IsEnabled = true;
InternalTextBox.Focusable = true;
InternalTextBox.IsEnabled = true;
InternalTextBox.AcceptsTab = true;
InternalTextBox.Background = backgroundColor;
InternalTextBox.FontFamily = new FontFamily(font);
InternalTextBox.FontWeight = weight;
InternalTextBox.FontSize = fontSize;
InternalTextBox.TextAlignment = TextAlignment.Left;
if (acceptReturn != true)
{
this.InternalTextBox.MaxWidth = 175; //textbox size for 25chars
InternalTextBox.AcceptsTab = false;
}
else
{
this.InternalTextBox.MaxWidth = 510;
this.InternalTextBox.TextWrapping = TextWrapping.Wrap;
this.SelectAll = false;
}
if (minWidth > 172)
{
minWidth = 172;
}
InternalTextBox.AcceptsReturn = acceptReturn;
InternalTextBox.MinWidth = minWidth;
InternalTextBox.Loaded += new RoutedEventHandler(OnInternalTextBoxLoaded);
InternalTextBox.TextChanged += new TextChangedEventHandler(OnInternalTextBoxTextChanged);
this.graphCanvas = newGraphCanvas;
isInNormalTextStage = false;
}
public CustomTextBox(GraphCanvas newGraphCanvas, bool acceptReturn, SolidColorBrush backgroundColor, String font,
FontWeight weight, double fontSize, double maxWidth, double minWidth)
{
InitializeComponent();
this.InternalTextBox.Text = "";
emptyWidth = this.InternalTextBox.ActualWidth;
this.Focusable = true;
this.IsEnabled = true;
TextBoxGrid.Focusable = true;
TextBoxGrid.IsEnabled = true;
InternalTextBox.Focusable = true;
InternalTextBox.IsEnabled = true;
InternalTextBox.AcceptsTab = true;
InternalTextBox.Background = backgroundColor;
InternalTextBox.FontFamily = new FontFamily(font);
InternalTextBox.FontWeight = weight;
InternalTextBox.FontSize = fontSize;
InternalTextBox.TextAlignment = TextAlignment.Left;
if (acceptReturn != true)
{
this.InternalTextBox.MaxWidth = 175; //textbox size for 25chars
InternalTextBox.AcceptsTab = false;
}
else
{
this.InternalTextBox.MaxWidth = 510;
this.InternalTextBox.TextWrapping = TextWrapping.Wrap;
this.SelectAll = false;
}
if (minWidth > 172)
minWidth = 172;
InternalTextBox.AcceptsReturn = acceptReturn;
InternalTextBox.MinWidth = minWidth;
InternalTextBox.Loaded += new RoutedEventHandler(OnInternalTextBoxLoaded);
InternalTextBox.TextChanged += new TextChangedEventHandler(OnInternalTextBoxTextChanged);
this.graphCanvas = newGraphCanvas;
isInNormalTextStage = false;
}
private void LoadExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (this.graphCanvases.Count() == 0 || tabControl.CloseTab(tabControl.TabControl.SelectedContent))
{
string fileFilter = "DesignScript Graph Files " +
"(*.bin)|*.bin|All Files (*.*)|*.*";
// Displays an OpenFileDialog for user to select a file.
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = fileFilter;
openFileDialog.Title = "Select a DesignScript Graph file";
openFileDialog.Multiselect = false;
bool?result = openFileDialog.ShowDialog();
if (result.HasValue && (result.Value == true))
{
int index = tabControl.FindTab(openFileDialog.FileName);
if (index < 0)
{
GraphCanvas graphCanvas = new GraphCanvas(this, openFileDialog.FileName);
AddGraphCanvas(graphCanvas, (new FileInfo(openFileDialog.FileName)).Name);
}
else
{
tabControl.TabControl.SelectedIndex = index;
}
}
}
if (this.CurrentGraphCanvas != null)
{
this.CurrentGraphCanvas.Focus();
}
else
{
this.MasterGrid.Focus();
}
e.Handled = true;
}
internal void RemoveCanvas(uint identifier)
{
// there is another ResetZoomAndPan() in the AddGraphCanvas()
// to ensure the scroll viewer and slider to be reset properly.
//
ResetZoomAndPan();
GraphCanvas canvas = GetCanvas(identifier);
canvasGrid.Children.Remove(canvas);
graphCanvases.Remove(canvas);
// need to keep the keyboard focus on the Master Grid
// to enable the command short cut keys
//
Keyboard.Focus(this.MasterGrid);
if (graphCanvases.Count() == 0)
{
this.libraryView.Visibility = Visibility.Collapsed;
this.zoomAndPanControl.Visibility = Visibility.Collapsed;
this.FeedbackMsssagePanel.Children.Clear();
return;
}
}
private void NewExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (this.graphCanvases.Count() == 0 || tabControl.CloseTab(tabControl.TabControl.SelectedContent))
{
GraphCanvas graphCanvas = new GraphCanvas(this);
AddGraphCanvas(graphCanvas, null);
}
}
private void LoadExecuted(object sender, ExecutedRoutedEventArgs e)
{
if (this.graphCanvases.Count() == 0 || tabControl.CloseTab(tabControl.TabControl.SelectedContent))
{
string fileFilter = "DesignScript Graph Files " +
"(*.bin)|*.bin|All Files (*.*)|*.*";
// Displays an OpenFileDialog for user to select a file.
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = fileFilter;
openFileDialog.Title = "Select a DesignScript Graph file";
openFileDialog.Multiselect = false;
bool? result = openFileDialog.ShowDialog();
if (result.HasValue && (result.Value == true))
{
int index = tabControl.FindTab(openFileDialog.FileName);
if (index < 0)
{
GraphCanvas graphCanvas = new GraphCanvas(this, openFileDialog.FileName);
AddGraphCanvas(graphCanvas, (new FileInfo(openFileDialog.FileName)).Name);
}
else
tabControl.TabControl.SelectedIndex = index;
}
}
if (this.CurrentGraphCanvas != null)
this.CurrentGraphCanvas.Focus();
else
this.MasterGrid.Focus();
e.Handled = true;
}
private void CreateBlankOrRecoveredCanvas(bool recovery)
{
GraphCanvas graphCanvas = null;
if (false != recovery) // We're in recovery mode.
{
if (null == filesToRecover || (filesToRecover.Count <= 0))
throw new InvalidOperationException("Nothing to recover (A0FFDCB8BBE9)");
try
{
// We did find some files to recover from...
uint graphId = filesToRecover.Keys.ElementAt(0);
string fileToRecover = filesToRecover[graphId];
graphCanvas = new GraphCanvas(this, fileToRecover);
}
catch (Exception)
{
// Some problem due to recovery, we can't do much about those
// backup files now, so proceed to create the default blank
// canvas as per normal. We don't want some backup files to
// cause DSS to be not-launchable.
}
}
if (null == graphCanvas) // Just in case recovery failed.
{
// Not in recovery mode, create empty.
graphCanvas = new GraphCanvas(this);
}
//create the first canvas
graphCanvases.Add(graphCanvas);
currentGraphCanvas = graphCanvases.Count - 1;
canvasGrid.Children.Add(graphCanvas);
newCanvasCount++;
string header = "Graph" + newCanvasCount.ToString();
tabControl.AddTab(header, graphCanvas);
canvasScrollViewer.Focusable = false;
graphCanvas.Focusable = true;
graphCanvas.Focus();
ResetZoomAndPan();
}
private void ConvertNodesToCodeExecuted(object sender, ExecutedRoutedEventArgs e)
{
GraphCanvas graphCanvas = this.CurrentGraphCanvas;
graphCanvas.VisualHost.HandleConvertNodesToCode();
}
internal void ActivateCanvas(GraphCanvas canvas)
{
if (canvas == CurrentGraphCanvas)
return;
//canvas
//this.canvasGrid.Children.Remove(canvas);
//this.canvasGrid.Children.Add(canvas);
canvas.graphCanvas.Focus();
//scale
GraphVisualHost.sliderScrollHandled = true;// set the slider value and scrollview,
//no need HandleScrollViewerScrollChanged
double sliderValue;
double horizontalOffset;
double verticalOffset;
canvas.GetZoomAndPanInfo(out sliderValue, out horizontalOffset, out verticalOffset);
slider.Value = sliderValue;
this.scaleTransform.ScaleX = sliderValue;
this.scaleTransform.ScaleY = sliderValue;
canvasScrollViewer.ScrollToHorizontalOffset(horizontalOffset);
canvasScrollViewer.ScrollToVerticalOffset(verticalOffset);
//record the canvasId
currentGraphCanvas = graphCanvases.IndexOf(canvas);
}
public GraphVisualHost(GraphCanvas graphCanvas, GraphControl graphControl, string startupFile)
{
this.graphCanvas = graphCanvas;
this.graphControl = graphControl;
if (children == null)
children = new VisualCollection(this);
if (string.IsNullOrEmpty(startupFile))
this.graphController = ClassFactory.CreateGraphController(this);
else
{
try
{
this.graphController = ClassFactory.CreateGraphController(this, startupFile);
}
catch (FileNotFoundException e)
{
MessageBox.Show(string.Format("FileNotFoundException: {0}", e.FileName));
}
catch (IOException e)
{
MessageBox.Show(string.Format("IOException: {0}", e.Message));
}
catch (InvalidDataException e)
{
MessageBox.Show(string.Format("InvalidDataException: {0}", e.Message));
}
catch (FileVersionException e)
{
string message = string.Format(UiStrings.FutureFileVersionFmt, e.RequiredAppVersion);
MessageBoxResult result = MessageBoxResult.None;
string caption = UiStrings.IncompatibleVersion;
result = MessageBox.Show(message, caption, MessageBoxButton.OKCancel);
if (result == MessageBoxResult.OK)
{
System.Diagnostics.Process.Start(CoreStrings.DesignScriptSiteUrl);
}
}
catch (Exception e)
{
this.graphController = ClassFactory.CreateGraphController(this);
this.graphControl.DisplayException(e);
}
finally
{
if (null == graphController)
this.graphController = ClassFactory.CreateGraphController(this);
}
}
DrawingVisual foregroundVisual = new DrawingVisual();
edgeVisuals.Add(foregroundVisual, 0);
this.children.Add(foregroundVisual);
if (!string.IsNullOrEmpty(startupFile))
this.ZoomToFit();
}
private void AddGraphCanvas(GraphCanvas graphCanvas, string canvasName)
{
if (graphCanvases.Count == 0)
{
this.libraryView.Visibility = Visibility.Visible;
this.zoomAndPanControl.Visibility = Visibility.Visible;
}
//add canvas
graphCanvases.Add(graphCanvas);
canvasGrid.Children.Add(graphCanvas);
currentGraphCanvas = graphCanvases.Count - 1;
//add tab
string tabName = string.Empty;
if (string.IsNullOrEmpty(canvasName))
{
newCanvasCount++;
tabName = DesignScriptStudio.Graph.Core.Configurations.DefaultName + newCanvasCount.ToString();
}
else
tabName = canvasName;
tabControl.AddTab(tabName, graphCanvas);
//reset canvas
ResetZoomAndPan();
if (null != this.hostApplication)
this.hostApplication.GraphActivated((uint)currentGraphCanvas);
}
