/// <summary>
/// Communicates the last selection to the user as detail-region-message and audio output.
/// </summary>
/// <param name="immediately">if set to <c>true</c> immediately.</param>
public void CommunicateLastSelection(bool immediately = true)
{
if (OoDrawAccessibilityObserver.Instance != null)
{
OoAccessibilitySelection selection = null;
bool success = OoDrawAccessibilityObserver.Instance.TryGetSelection(GetActiveDocument(), out selection);
if (success && selection != null)
{
CommunicateSelection(selection.SelectedItems, immediately);
}
}
}
/// <summary>
/// Gets the current GUI selection.
/// </summary>
/// <returns></returns>
public OoShapeObserver GetCurrentSelection()
{
if (OoDrawAccessibilityObserver.Instance != null)
{
OoAccessibilitySelection selection = null;
bool success = OoDrawAccessibilityObserver.Instance.TryGetSelection(GetActiveDocument(), out selection);
if (success && selection != null && selection.Count > 0)
{
return(selection.SelectedItems[0]);
}
}
return(null);
}
//private List<OoShapeObserver> currentSelection = new List<OoShapeObserver>();
void Instance_DrawSelectionChanged(object sender, OoAccessibilitySelectionChangedEventArgs e)
{
if (e != null /*&& e.SelectedItems != null*/)
{
if (windowManager.FocusMode == FollowFocusModes.FOLLOW_MOUSE_FOCUS)
{
if (e != null && sender != null && e.Source != null)
{
OoAccessibilitySelection selection;
bool success = OoDrawAccessibilityObserver.Instance.TryGetSelection(e.Source, out selection);
if (success)
{
if (selection != null && selection.Count > 0)
{
if (shapeManipulatorFunctionProxy != null && shapeManipulatorFunctionProxy.Active &&
this.DrawSelectFocusRenderer != null)
{
StartDrawSelectFocusHighlightingMode(selection);
}
if (
(!e.Silent && (selection.Count > 0)) ||
_lastRegisterdSelection == null ||
selection != _lastRegisterdSelection
)
{
CommunicateSelection(selection.SelectedItems);
}
_lastRegisterdSelection = selection;
}
else
{
_lastRegisterdSelection = null;
if (this.DrawSelectFocusRenderer != null)
{
this.DrawSelectFocusRenderer.SetSelection(null);
}
}
}
}
}
}
}
/// <summary>
/// Starts the draw select focus highlighting mode.
/// The current (GUI ?) selections will be observed and highlighted
/// with a blinking frame on the non-visual output devices.
/// </summary>
public void StartDrawSelectFocusHighlightingMode(OoAccessibilitySelection selection = null)
{
if (OoDrawAccessibilityObserver.Instance != null)
{
if (selection == null)
{
bool success = OoDrawAccessibilityObserver.Instance.TryGetSelection(GetActiveDocument(), out selection);
}
}
this.DrawSelectFocusRenderer.DoRenderBoundingBox = true;
this.DrawSelectFocusHighlightMode = true;
this.DrawSelectFocusRenderer.SetSelection(selection);
// TODO: center selection on the pin-matrix device
//if (selection != null)
//{
// System.Drawing.Rectangle bb = new Rectangle();
// bb = selection.SelectionBounds; // TODO: SelectionBounds are always 0
// if (windowManager != null && bb != null && bb.Width > 0 && bb.Height > 0) windowManager.MoveToObject(bb);
//}
}
/// <summary>
/// Sets the current selection.
/// To clear, simply set the selection to <c>null</c>.
/// </summary>
/// <param name="selection">The selection.</param>
public void SetSelection(OoAccessibilitySelection selection)
{
_lastSelection = selection;
}
