/// <summary>
/// Windows the got focus.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void WindowGotFocus(object sender, RoutedEventArgs e)
{
var foundTextBox = DependencyObjectUtils.FindChild <WorkspaceTextBox>(this.MainTabControl, "TextEditor");
Keyboard.Focus(foundTextBox);
foundTextBox.Focus();
}
/// <summary>
/// Renames the current tab.
/// </summary>
private void RenameCurrentTab()
{
var viewModel = this.DataContext as MainViewModel;
if (viewModel == null)
{
return;
}
var tabControl = this.FindName("MainTabControl") as CustomTabControl;
if (tabControl == null)
{
return;
}
var selectedTabItem = tabControl.ItemContainerGenerator.ContainerFromItem(viewModel.CurrentWorkspace) as CustomTabItem;
if (selectedTabItem == null)
{
return;
}
var textBox = DependencyObjectUtils.FindChild <EditableTextBlock>(selectedTabItem, "LabelTextBox");
if (textBox != null)
{
textBox.EnterEditMode();
}
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
// Draw lines between connectors
if (ViewModel?.Nodes != null)
{
foreach (var node in ViewModel.Nodes)
{
foreach (var prop in node.LinkableProperties)
{
// Check if the property has a reference to an expression, if so, find the connector points
if (prop.Value is INodeReference nr && nr.Id.HasValue)
{
var start = DependencyObjectUtils.ChildOfType <VisualNodeConnector>(this, c => c.NodeID == node.ID && c.PropertyName == prop.Name && c.ConnectorFlow == ConnectorFlow.Destination);
var end = DependencyObjectUtils.ChildOfType <VisualNodeConnector>(this, c => c.NodeID == nr.Id.Value && c.ConnectorFlow == ConnectorFlow.Source);
var isStatement = prop.PropertyType == VisualNodePropertyType.Statement;
if (start != null && end != null)
{
drawingContext.DrawConnectorLine(
new Pen(new SolidColorBrush(isStatement ? Colors.Gray : this.ColorForDataType(prop.Type)), 2d),
start.TransformToAncestor(this).Transform(start.MidPoint),
end.TransformToAncestor(this).Transform(end.MidPoint),
isStatement
);
}
}
}
}
}
// If there is a drag going on, run the behaviours custom render method
ViewModel?.DragBehaviour?.OnRender(this, drawingContext);
}
private void ViewModelOnWorkspaceChanged(object sender, EventArgs eventArgs)
{
var textEditor = DependencyObjectUtils.FindChild <WorkspaceTextBox>(this.MainTabControl, "TextEditor");
if (textEditor != null)
{
textEditor.ScrollToSelection();
}
}
/// <summary>
/// When overridden in a derived class, is invoked whenever application code or internal processes call <see cref="M:System.Windows.FrameworkElement.ApplyTemplate"/>.
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
var content = DependencyObjectUtils.GetFirstDescendantOfType <ContentPresenter>(this);
if (content != null)
{
content.HorizontalAlignment = HorizontalAlignment.Stretch;
}
}
private void SearchString()
{
var textBox = DependencyObjectUtils.FindChild <WorkspaceTextBox>(this.MainTabControl, "TextEditor");
if (textBox == null)
{
return;
}
try
{
textBox.SearchString(this.SearchTextBox.Text);
}
catch (ArgumentOutOfRangeException ex)
{
((Storyboard)this.FindResource("NoSearchMatchesStoryboard")).Begin(this);
}
}
private void UIElement_OnIsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
{
var textEditor = DependencyObjectUtils.FindChild <WorkspaceTextBox>(this.MainTabControl, "TextEditor");
if (textEditor == null)
{
return;
}
if ((bool)e.NewValue)
{
textEditor.ResetSession();
this.SearchTextBox.Text = textEditor.SelectedText;
this.SearchTextBox.SelectionStart = this.SearchTextBox.Text.Length;
this.Dispatcher.BeginInvoke(DispatcherPriority.Input, new Action(() => this.SearchTextBox.Focus()));
}
else
{
textEditor.SelectionLength = 0;
textEditor.Focus();
}
}
/// <summary>
/// Initializes the scroll viewer.
/// </summary>
public void InitializeScrollViewer()
{
this.TextBoxScrollViewer = DependencyObjectUtils.FindChildOfType <ScrollViewer>(this);
}
