/// <summary>
/// Select the selectable nodes whose bounds intersect the marquee, unselecting
/// previously selected nodes.
/// </summary>
/// <param name="e">A PInputEventArgs that contains the event data.</param>
protected virtual void ComputeMarqueeSelection(PInputEventArgs e)
{
unselectList.Clear();
// Make just the items in the list selected
// Do this efficiently by first unselecting things not in the list
ICollection sel = selection.Keys;
foreach (PNode node in sel)
{
if (!allItems.ContainsKey(node))
{
unselectList.Add(node);
}
}
Unselect(unselectList);
// Then select the rest
TEMP_LIST.Clear();
TEMP_LIST.AddRange(allItems.Keys);
foreach (PNode node in TEMP_LIST)
{
if (!selection.ContainsKey(node) && !marqueeMap.ContainsKey(node) && IsSelectable(node))
{
marqueeMap.Add(node, true);
}
else if (!IsSelectable(node))
{
allItems.Remove(node);
}
}
Select(allItems);
}
/// <summary>
/// Load all images in the specified directory as slides.
/// </summary>
public void LoadSlides(string folder)
{
hiliteSlide = null;
slideBar.RemoveAllChildren();
slides.Clear();
Layer.AddChild(slideBar);
if (folder == null)
{
AddDefaultSlides();
}
else
{
AddSlides(folder);
}
// Create visual indicator of current position in slide bar
Bitmap arrowBitmap = new Bitmap(GetType().Module.Assembly.GetManifestResourceStream(IMAGE_RESOURCE_STREAM + ".up-arrow.gif"));
currentPosition = new PImage(arrowBitmap);
currentPosition.Pickable = false;
slideBar.AddChild(currentPosition);
slideActivities = new PActivity[slides.Count];
LayoutSlides();
GoToSlide((PMultiSizeImage)slideBar[0]);
}