internal void UpdateTabText(uint identifier)
{
GraphTabItem item = FindGraphTabItem(identifier);
if (item == null)
{
return;
}
if (item.Canvas.Controller.IsModified)
{
if (!item.Header.EndsWith(" *"))
{
item.Header = item.Header + " *";
}
}
else
{
if (item.Header.EndsWith(" *"))
{
item.Header = item.Header.Substring(0, item.Header.Length - 2);
}
}
UpdateVisual(item);
}
private bool CloseTabCanvas(GraphTabItem item)
{
if (item.Canvas.Controller.IsModified)
{
TabControl.SelectedIndex = tabs.IndexOf(item);
string tabName = item.Header;
if (tabName.EndsWith(" *"))
{
tabName = tabName.Substring(0, tabName.Length - 2);
}
MessageBoxResult saveReminderResult
= MessageBox.Show("Save changes to the document \"" + tabName + "\" before closing? ",
"DesignScript Studio", MessageBoxButton.YesNoCancel, MessageBoxImage.Warning);
if (saveReminderResult == MessageBoxResult.Yes)
{
if (!item.Canvas.VisualHost.HandleShortcutSave())
{
return(false);
}
}
else if (saveReminderResult == MessageBoxResult.Cancel)
{
return(false);
}
}
item.Canvas.Controller.CleanUp();
graphControl.RemoveCanvas(item.Canvas.Controller.Identifier);
item.Canvas = null;
return(true);
}
private void UpdateVisual(GraphTabItem item)
{
// force the tab item to update the text
TabItem tabItem = FindTabItem(item);
TextBlock content = FindVisualChild(tabItem, "Header") as TextBlock;
BindingExpression expression = content.GetBindingExpression(TextBlock.TextProperty);
expression.UpdateTarget();
// update the menu
MenuItem menuItem = FindMenuItem(item);
if (menuItem != null)
{
content = FindVisualChild(menuItem, "Header") as TextBlock;
if (content != null)
{
expression = content.GetBindingExpression(TextBlock.TextProperty);
expression.UpdateTarget();
}
Button saveButton = FindVisualChild(menuItem, "SaveTab") as Button;
if (saveButton != null)
{
if (item.Canvas.Controller.IsModified)
{
saveButton.Visibility = Visibility.Visible;
}
else
{
saveButton.Visibility = Visibility.Hidden;
}
}
}
}
private void OnAllTabSaveTabMouseUp(object sender, MouseButtonEventArgs e)
{
GraphTabItem item = ((MenuItem)((Button)sender).TemplatedParent).Header as GraphTabItem;
if (item != null)
{
item.Canvas.VisualHost.HandleShortcutSave();
}
}
private void OnAllTabMenuItemMouseUp(object sender, MouseButtonEventArgs e)
{
GraphTabItem item = ((MenuItem)((Border)sender).TemplatedParent).Header as GraphTabItem;
if (item != null)
{
TabControl.SelectedIndex = tabs.IndexOf(item);
}
}
private void OnAllTabCloseTabMouseUp(object sender, MouseButtonEventArgs e)
{
GraphTabItem item = ((MenuItem)((Button)sender).TemplatedParent).Header as GraphTabItem;
if (item != null)
{
CloseTab(FindTabItem(item));
}
}
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 UpdateTabText(uint identifier, string filePath)
{
GraphTabItem item = FindGraphTabItem(identifier);
if (item == null)
{
return;
}
item.Header = (new FileInfo(filePath)).Name;
UpdateVisual(item);
}
private TabItem FindTabItem(GraphTabItem key)
{
if (tabPanel != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(tabPanel); i++)
{
TabItem child = VisualTreeHelper.GetChild(tabPanel, i) as TabItem;
if (child.Header == key)
{
return(child);
}
}
}
return(null);
}
internal bool CloseAllRightTabCanExecute(object tabItem)
{
GraphTabItem item = tabItem as GraphTabItem;
if (item == null)
{
return(false);
}
if (tabs.IndexOf(item) == tabs.Count() - 1)
{
return(false);
}
return(true);
}
private void BeginDrag()
{
double lastMouseX = Mouse.GetPosition(tabPanel).X;
TabControl.CaptureMouse();
draggedTab = FindTabItemOn(lastMouseX);
selectedItem = tabs[TabControl.SelectedIndex];
if (draggedTab != null)
{
draggedTabDeltaX = lastMouseX - draggedTab.RenderTransform.Value.OffsetX;
if (!draggedTab.IsSelected)
{ // if draggedTab is not the selected one,
draggedTab.SetValue(Panel.ZIndexProperty, 50); // rearrange it to the top of unselected tab
TabControl.UpdateLayout();
}
}
}
internal bool CloseAllRightTab(object tabItem)
{
GraphTabItem item = tabItem as GraphTabItem;
if (item == null)
{
return(false);
}
List <GraphTabItem> tabsToRemove = new List <GraphTabItem>();
for (int i = tabs.IndexOf(item) + 1; i < tabs.Count(); i++)
{
tabsToRemove.Add(tabs[i]);
}
return(CloseTabs(tabsToRemove));
}
private MenuItem FindMenuItem(GraphTabItem key)
{
Popup popup = FindVisualChild <Popup>(AllTabsMenu);
StackPanel stackPanel = (StackPanel)((Decorator)(popup.Child)).Child;
if (stackPanel != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(stackPanel); i++)
{
MenuItem child = VisualTreeHelper.GetChild(stackPanel, i) as MenuItem;
if (child.Header == key)
{
return(child);
}
}
}
return(null);
}
private childItem FindVisualChild <childItem>(DependencyObject obj, GraphTabItem item)
where childItem : DependencyObject
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(obj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(obj, i);
if (child != null && child is childItem)
{
return((childItem)child);
}
else
{
childItem childOfChild = FindVisualChild <childItem>(child);
if (childOfChild != null)
{
return(childOfChild);
}
}
}
return(null);
}
internal bool CloseAllButTab(object tabItem)
{
GraphTabItem item = tabItem as GraphTabItem;
if (item == null)
{
return(false);
}
List <GraphTabItem> tabsToRemove = new List <GraphTabItem>();
foreach (GraphTabItem clearItem in tabs)
{
if (clearItem != item)
{
tabsToRemove.Add(clearItem);
}
}
return(CloseTabs(tabsToRemove));
}
private void ShiftTab(int direction, double offsetX)
{
int i = tabs.IndexOf((GraphTabItem)draggedTab.Header) + direction;
if (i < 0 || i >= tabs.Count())
{
return;
}
if (animationOn)
{
return;
}
TabItem tabToMove = FindTabItem(tabs[i]);
if (tabToMove.ActualWidth / 2 + tabToMove.RenderTransform.Value.OffsetX < Math.Abs(offsetX))
{
GraphTabItem targetItem = tabToMove.Header as GraphTabItem;
GraphTabItem sourceItem = draggedTab.Header as GraphTabItem;
int targetIndex = tabs.IndexOf(targetItem);
int sourceIndex = tabs.IndexOf(sourceItem);
tabs[sourceIndex] = targetItem;
tabs[targetIndex] = sourceItem;
TabControl.UpdateLayout();
TabControl.SelectedIndex = tabs.IndexOf(selectedItem);
TabItem targetTabItem = FindTabItem(targetItem); // after the update, the tabToMove and draggedTab
TabItem sourceTabItem = FindTabItem(sourceItem); // are changed
targetTabItem.RenderTransform = new MatrixTransform(Matrix.Identity);
sourceTabItem.RenderTransform = new MatrixTransform(Matrix.Identity);
// translate the offset of the dragged tab
Matrix transformMatrix = sourceTabItem.RenderTransform.Value;
transformMatrix.OffsetX = -(targetTabItem.ActualWidth - Math.Abs(offsetX)) * direction;
sourceTabItem.RenderTransform = new MatrixTransform(transformMatrix);
if (sourceTabItem.IsSelected)
{
sourceTabItem.SetValue(Panel.ZIndexProperty, 100);
}
else
{
sourceTabItem.SetValue(Panel.ZIndexProperty, 50);
}
// for the animation of the target tab
transformMatrix = targetTabItem.RenderTransform.Value;
transformMatrix.OffsetX = targetTabItem.ActualWidth * direction;
targetTabItem.RenderTransform = new MatrixTransform(transformMatrix);
if (targetTabItem.IsSelected)
{
targetTabItem.SetValue(Panel.ZIndexProperty, 100);
}
else
{
targetTabItem.SetValue(Panel.ZIndexProperty, 20);
}
AnimationHelper(targetTabItem, targetTabItem.ActualWidth * direction);
draggedTab = sourceTabItem;
draggedTabDeltaX += (targetTabItem.ActualWidth) * direction;
}
}
private void OnTabItemRightClick(object sender, RoutedEventArgs e)
{
GraphTabItem item = ((TabItem)e.Source).Header as GraphTabItem;
TabControl.SelectedIndex = tabs.IndexOf(item);
}
