/// <summary>
/// Customize the text editor when we are using our helper.
/// </summary>
private void ConfigureTextEditorInputMode(IInputModeContext context, TextEditorInputMode mode,
ILabel labelToEdit)
{
var textBox = mode.TextBox;
var oldForeground = textBox.ForeColor;
var oldBackground = textBox.BackColor;
SetStyling(textBox, TextBoxForeground, TextBoxBackground);
// Restore after editing
EventHandler <TextEventArgs> afterEditing = null;
afterEditing = delegate {
SetStyling(textBox, oldForeground, oldBackground);
mode.TextEdited -= afterEditing;
mode.EditingCanceled -= afterEditing;
};
mode.TextEdited += afterEditing;
mode.EditingCanceled += afterEditing;
}
private void ConfigureTextEditorInputMode(IInputModeContext context, TextEditorInputMode mode, ILabel label)
{
var oldBackground = mode.TextBox.BackColor;
var oldVisual = labelCanvasObject.Visible;
// We know that this label helper is only used once this demo is properly set up.
var graphEditorInputMode = (GraphEditorInputMode)context.CanvasControl.InputMode;
var textEditorInputMode = ((LabelEditingForm.DemoTextEditorInputMode)graphEditorInputMode.TextEditorInputMode);
mode.TextBox.BackColor = Color.White;
var oldFont = mode.TextBox.Font;
mode.TextBox.Font = new Font(oldFont.FontFamily, 20, oldFont.Style);
// Make sure that the text box location matches the one of the zoom invariant page header label
textEditorInputMode.ShowInViewCoordinates = true;
mode.Location = new DynamicViewPoint((GraphControl)context.CanvasControl, 5, 35);
mode.Anchor = new PointD(0, 1);
// Hide this label during editing if the corresponding setting is enabled.
// This is only necessary since this label is not part of the graph.
if (graphEditorInputMode.HideLabelDuringEditing)
{
labelCanvasObject.Visible = false;
context.CanvasControl.Invalidate();
}
// Restore after editing
EventHandler <TextEventArgs> afterEditing = null;
afterEditing = delegate {
labelCanvasObject.Visible = oldVisual;
mode.TextBox.BackColor = oldBackground;
mode.TextBox.Font = oldFont;
context.CanvasControl.Invalidate();
mode.TextEdited -= afterEditing;
mode.EditingCanceled -= afterEditing;
};
mode.TextEdited += afterEditing;
mode.EditingCanceled += afterEditing;
}
