void ChangeSearchEngine(s3dCore.SearchEngines.ISearchEngine newEngine)
{
if (currentSearchEngine != null && newEngine.GetType() == currentSearchEngine.GetType()) return;
if (workerThread.IsBusy)
{
searchBtn.Content = "Cancelling...";
workerThread.CancelAsync();
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, ((Action)delegate { ChangeSearchEngine(newEngine); }));
}
currentSearchEngine = newEngine;
customUI.Children.Clear();
if (newEngine.GetSearchControl() != null)
{
customUI.Children.Add(newEngine.GetSearchControl());
}
currentSearchEngine.Reset();
searchBtn.Content = currentSearchEngine.GetSearchButtonTitle();
if (currentSearchEngine.IsSearchTextBoxVisible())
{
patternTb.Visibility = Visibility.Visible;
}
else
{
patternTb.Visibility = Visibility.Collapsed;
}
}
void ChangeLayout(s3dCore.ListLayout.IListLayout newLayout)
{
if (currentLayout != null && currentLayout.GetType() == newLayout.GetType())
{
return;
}
currentLayout = newLayout;
currentLayout.ResetData();
camControler.ChangeLayout(currentLayout);
if (currentLayout.CanMoveHorizontally() == false)
{
viewLeftBtn.Visibility = Visibility.Collapsed;
viewRightBtn.Visibility = Visibility.Collapsed;
}
else
{
viewLeftBtn.Visibility = Visibility.Visible;
viewRightBtn.Visibility = Visibility.Visible;
}
// copy elements
List<s3dCore.SearchEngines.ISearchElement> tempList = new List<s3dCore.SearchEngines.ISearchElement>(currentList.Count);
foreach (s3dCore.SearchEngines.ISearchElement elem in currentList.Values)
{
tempList.Add(elem);
}
currentList.Clear();
mainViewport.Children.Clear();
foreach (s3dCore.SearchEngines.ISearchElement element in tempList)
{
ModelUIElement3D model3D = CreateModel(element.GetContentBrush());
mainViewport.Children.Add(model3D);
currentList.Add(model3D, element);
}
camControler.MoveToStartPosition();
}
