private void buildAddItemTree()
{
// Clear all items in the tree control then add those determined in the constructor
AddItemTree.Items.Clear();
if (AvailableItems == null)
{
return;
}
// Process all elements of the item list, dynamically creating parent category nodes and attaching
// child nodes to these parents.
string curCategory = null;
TreeViewItem parent = null;
bool isSelected = false;
foreach (AddToolbarItem item in AvailableItems)
{
// If the current category does not match the category of the current item then create a new category node
if (String.Compare(curCategory, item.Category) != 0)
{
// Make this parent node selected only if the current category value is null so that the top category is selected
// but none of the subsequent category nodes are selected.
isSelected = curCategory == null ? true : false;
TreeViewItem tvi = new TreeViewItem()
{
Name = item.Category,
Header = item.Category,
IsExpanded = true,
IsSelected = isSelected,
ItemContainerStyle = LayoutRoot.Resources["TreeViewItemStyle"] as Style,
};
ToolbarManagement.SetAssociatedToolbarItem(tvi, item);
AddItemTree.Items.Add(tvi);
// Assign the item category as the "current" category and assign the newly created category node as the
// parent to which all subsequent items are added.
curCategory = item.Category;
parent = tvi;
}
// Create a button display info object in order to store all the associated data which is
// bound to the tree control for proper rendering.
ButtonDisplayInfo bdi = ToolbarManagement.CreateButtonDisplayInfoForToolbarItem(item);
// Convert the button into a tree view item and associate proper styles, etc.
TreeViewItem child = createTreeViewNodeForToolButton(bdi);
child.Name = item.Category + item.Name + item.ToolbarItemType.ToString();
ToolbarManagement.SetAssociatedToolbarItem(child, item);
// Use item description (if any) for the tooltip
if (!String.IsNullOrEmpty(item.Description))
{
child.SetValue(ToolTipService.ToolTipProperty, item.Description);
}
// Add child to parent node
parent.Items.Add(child);
}
}
private void populateTagForSelectedItem()
{
TreeViewItem selectedItem = AddItemTree.SelectedItem as TreeViewItem;
Dictionary <string, object> tagProps = new Dictionary <string, object>();
tagProps.Add("Class", Activator.CreateInstance(SelectedToolItemType));
tagProps.Add("DisplayInfo", ToolbarManagement.CreateButtonDisplayInfoForTreeViewItem(selectedItem));
selectedItem.Tag = tagProps;
}
private void ToolbarConfigurationTree_SelectionChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
TreeViewItem selectedAddItem = AddItemTree.SelectedItem as TreeViewItem;
// There has to be a selected add item and its parent cannot be the tree itself (which implies it is a child of
// a category parent node) in which case the OK button can be enabled.
if (selectedAddItem != null && selectedAddItem.Parent != AddItemTree)
{
SelectedToolItemType = ToolbarManagement.GetAssociatedToolbarItem(selectedAddItem).ToolbarItemType;
}
else
{
SelectedToolItemType = null;
}
if (SelectedItemChanged != null)
{
SelectedItemChanged(this, EventArgs.Empty);
}
}
/// <summary>
/// Processes a type that implements the ICommand interface, it detects various special attributes to determine
/// if they should appear in the generated list of commands that can be added to the toolbar.
/// </summary>
/// <param name="t">The type to process.</param>
private void ProcessType(Type t)
{
AddToolbarItem cmd = ToolbarManagement.CreateToolbarItemForType(t);
// If it assumed that a command MUST have the DisplayName attribute properly assigned and thus we consider
// these valid items for our generated list.
if (!String.IsNullOrEmpty(cmd.Name))
{
// If the command does not specify a category, then group all of these into the "Uncategorized" category
// so they are grouped together
if (String.IsNullOrEmpty(cmd.Category))
{
cmd.Category = "Uncategorized";
}
// Store the type in the object so it can be dynamically created when needed later
cmd.ToolbarItemType = t;
AvailableItems.Add(cmd);
}
}