private NTreeViewItem CreateTreeViewItem(NXmlElement element)
{
if (IsSingleExampleTile(element))
{
// This is a tile with a single example, so create only the example tree view item
return(CreateTreeViewItem((NXmlElement)element.GetChildAt(0)));
}
NImage icon;
string name = element.GetAttributeValue("name");
if (String.IsNullOrEmpty(name))
{
return(null);
}
switch (element.Name)
{
case "tile":
case "group":
case "folder":
icon = NResources.Image__16x16_Folders_png;
break;
case "example":
icon = NResources.Image__16x16_Contacts_png;
break;
default:
return(null);
}
NExampleTile tile = new NExampleTile(icon, name);
tile.Status = element.GetAttributeValue("status");
tile.Box2.VerticalPlacement = ENVerticalPlacement.Center;
tile.Spacing = NDesign.HorizontalSpacing;
NTreeViewItem item = new NTreeViewItem(tile);
if (element.Name == "example")
{
// This is an example element
item.Tag = element;
if (NApplication.Platform == ENPlatform.Silverlight)
{
// Handle the right click event in Silverlight to show a context menu
// for copying a link to the example
item.MouseDown += OnTreeViewItemMouseDown;
}
}
return(item);
}
protected override void OnMouseUp(NMouseButtonEventArgs args)
{
base.OnMouseUp(args);
if (args.Cancel || args.Button != ENMouseButtons.Left)
{
return;
}
if (args.TargetNode is NImageBox && args.TargetNode.Tag is NXmlElement)
{
OnExampleCategoryMouseUp(args);
return;
}
// Get the clicked example tile
NExampleTile tile = args.TargetNode as NExampleTile;
if (tile == null)
{
tile = (NExampleTile)args.TargetNode.GetFirstAncestor(NExampleTile.NExampleTileSchema);
}
if (tile == null)
{
return;
}
NItemInfo itemInfo = (NItemInfo)tile.Tag;
if (TileSelected != null)
{
TileSelected(itemInfo.XmlElement);
}
// Mark the event as handled
args.Cancel = true;
}
/// <summary>
/// Creates a tile. Tile elements can contain only examples.
/// </summary>
/// <param name="element"></param>
/// <param name="categoryNamespace"></param>
/// <returns></returns>
private NWidget CreateTile(NXmlElement element, string categoryNamespace)
{
string tileTitle = element.GetAttributeValue("name");
string iconName = element.GetAttributeValue("icon");
// Get the icon for the tile
NImage icon = null;
if (iconName != null)
{
if (NApplication.IOService.DirectorySeparatorChar != '\\')
{
iconName = iconName.Replace('\\', NApplication.IOService.DirectorySeparatorChar);
}
string imageFolder = NPath.GetFullDirectoryName(iconName);
if (String.IsNullOrEmpty(imageFolder))
{
// The icon is in the folder for the current category
imageFolder = categoryNamespace;
}
else
{
// The icon is in a folder of another category
imageFolder = NPath.Normalize(NPath.Combine(categoryNamespace, imageFolder));
if (imageFolder[imageFolder.Length - 1] == NApplication.IOService.DirectorySeparatorChar)
{
imageFolder = imageFolder.Remove(imageFolder.Length - 1);
}
// Update the icon name
iconName = NPath.GetFileName(iconName);
}
iconName = "RIMG_ExampleIcons_" + imageFolder + "_" + iconName.Replace('.', '_');
icon = new NImage(new NEmbeddedResourceRef(NResources.Instance, iconName));
}
// Create and configure the tile
NExampleTile tile = new NExampleTile(icon, tileTitle);
tile.HorizontalPlacement = ENHorizontalPlacement.Left;
tile.Status = element.GetAttributeValue("status");
tile.Tag = new NItemInfo(element);
// Add the examples of the current tile to the examples map
INIterator <NXmlNode> iter = element.GetChildNodesIterator();
while (iter.MoveNext())
{
NXmlElement exampleElement = iter.Current as NXmlElement;
if (exampleElement == null)
{
continue;
}
string examplePath = GetExamplePath(exampleElement);
if (icon != null)
{
icon = new NImage(icon.ImageSource);
}
NExampleTile example = new NExampleTile(icon, examplePath);
example.Status = exampleElement.GetAttributeValue("status");
example.Tag = new NItemInfo(exampleElement);
if (m_ExamplesMap.Contains(examplePath) == false)
{
m_ExamplesMap.Add(examplePath, example);
}
}
return(tile);
}
