/// <summary>
/// Loads the given symbol palette into this control.
/// </summary>
/// <param name="palette">Palette to load</param>
/// <returns>true if successful; otherwise false</returns>
/// <remarks>
/// <seealso cref="Syncfusion.Windows.Forms.Diagram.SymbolPalette"/>
/// </remarks>
public bool LoadPalette(SymbolPalette palette)
{
if (palette == null)
{
return(false);
}
bool success = true;
int symbolMdlIdx;
SymbolModel symModel = null;
GroupViewItem gvItem = null;
for (symbolMdlIdx = 0; symbolMdlIdx < palette.ChildCount; symbolMdlIdx++)
{
symModel = palette.GetChild(symbolMdlIdx) as SymbolModel;
if (symModel != null)
{
int imageIdx = 0;
int lgImageIdx = 0;
int smImageIdx = 0;
if (symModel.SmallIcon != null)
{
smImageIdx = this.AddSmallIcon(symModel.SmallIcon);
}
if (symModel.LargeIcon != null)
{
lgImageIdx = this.AddLargeIcon(symModel.LargeIcon);
}
if (this.SmallImageView)
{
imageIdx = smImageIdx;
}
else
{
imageIdx = lgImageIdx;
}
gvItem = new GroupViewPaletteItem(symModel, imageIdx);
this.GroupViewItems.Add(gvItem);
}
}
palette.ChildrenChangeComplete += new NodeCollection.EventHandler(OnPalette_ChildrenChangeComplete);
palette.EventsEnabled = true;
this.palette = palette;
return(success);
}
private void OnPalette_ChildrenChangeComplete(object sender, NodeCollection.EventArgs nodeEvtArgs)
{
if (nodeEvtArgs.ChangeType == CollectionEx.ChangeType.Insert)
{
SymbolModel symModel = nodeEvtArgs.Node as SymbolModel;
if (symModel != null)
{
GroupViewItem gvItem = new GroupViewPaletteItem(symModel);
this.GroupViewItems.Add(gvItem);
}
}
else if (nodeEvtArgs.ChangeType == CollectionEx.ChangeType.Remove)
{
if (nodeEvtArgs.Node == this.SelectedSymbolModel)
{
this.SelectedItem = -1;
}
int gviIdx = 0;
bool found = false;
while (gviIdx < this.GroupViewItems.Count && !found)
{
if (this.GroupViewItems[gviIdx].Tag == nodeEvtArgs.Node)
{
found = true;
}
else
{
gviIdx++;
}
}
if (found)
{
this.GroupViewItems.RemoveAt(gviIdx);
this.Refresh();
}
}
}
