/// <summary>
/// Destruct the previously created views.
/// </summary>
public void Destruct()
{
// Unhook from events
_buttonSpec.ButtonSpecPropertyChanged -= new PropertyChangedEventHandler(OnPropertyChanged);
// Remove buttonspec/view association
_buttonSpec.SetView(null);
// Remove all view element resources
_viewCenter.Dispose();
}
/// <summary>
/// Initialize a new instance of the ButtonSpecView class.
/// </summary>
/// <param name="redirector">Palette redirector.</param>
/// <param name="paletteMetric">Source for metric values.</param>
/// <param name="metricPadding">Padding metric for border padding.</param>
/// <param name="manager">Reference to owning manager.</param>
/// <param name="buttonSpec">Access</param>
public ButtonSpecView(PaletteRedirect redirector,
IPaletteMetric paletteMetric,
PaletteMetricPadding metricPadding,
ButtonSpecManagerBase manager,
ButtonSpec buttonSpec)
{
Debug.Assert(redirector != null);
Debug.Assert(manager != null);
Debug.Assert(buttonSpec != null);
// Remember references
_redirector = redirector;
_manager = manager;
_buttonSpec = buttonSpec;
_finishDelegate = new EventHandler(OnFinishDelegate);
// Create delegate for paint notifications
NeedPaintHandler needPaint = new NeedPaintHandler(OnNeedPaint);
// Intercept calls from the button for color remapping and instead use
// the button spec defined map and the container foreground color
_remapPalette = _manager.CreateButtonSpecRemap(redirector, buttonSpec);
// Use a redirector to get button values directly from palette
_palette = new PaletteTripleRedirect(_remapPalette,
PaletteBackStyle.ButtonButtonSpec,
PaletteBorderStyle.ButtonButtonSpec,
PaletteContentStyle.ButtonButtonSpec,
needPaint);
// Create the view for displaying a button
_viewButton = new ViewDrawButton(_palette, _palette, _palette, _palette,
paletteMetric, this, VisualOrientation.Top, false);
// Associate the view with the source component (for design time support)
if (buttonSpec.AllowComponent)
{
_viewButton.Component = buttonSpec;
}
// Use a view center to place button in centre of given space
_viewCenter = new ViewLayoutCenter(paletteMetric, metricPadding, VisualOrientation.Top);
_viewCenter.Add(_viewButton);
// Create a controller for managing button behavior
ButtonSpecViewControllers controllers = CreateController(_viewButton, needPaint, new MouseEventHandler(OnClick));
_viewButton.MouseController = controllers.MouseController;
_viewButton.SourceController = controllers.SourceController;
_viewButton.KeyController = controllers.KeyController;
// We need notifying whenever a button specification property changes
_buttonSpec.ButtonSpecPropertyChanged += new PropertyChangedEventHandler(OnPropertyChanged);
// Associate the button spec with the view that is drawing it
_buttonSpec.SetView(_viewButton);
// Finally update view with current button spec settings
UpdateButtonStyle();
UpdateVisible();
UpdateEnabled();
UpdateChecked();
}
