void AddNodeToTreeModel(ComponentsLibraryNode node, TreeStore tree, TreeIter parentNode)
{
parentNode = tree.AppendValues(parentNode, node);
foreach (ComponentsLibraryNode childNode in node)
{
AddNodeToTreeModel(childNode, tree, parentNode);
}
}
bool FilterTree(TreeModel model, TreeIter iter)
{
ComponentsLibraryNode node = (ComponentsLibraryNode)model.GetValue(iter, 0);
if (node == null)
{
return(true);
}
else
{
return(FilterNode(node, filterEntry.Text.ToUpper()));
}
}
public static ComponentsLibraryNode Build(ComponentLibraryViewModel viewModel)
{
ComponentsLibraryNode root = new ComponentsLibraryNode(String.Empty);
// package references
ComponentsLibraryNode packageReferencesNode = new ComponentsLibraryNode("Package References");
root.AddChild(packageReferencesNode);
if (viewModel.Experiment != null)
{
foreach (IPackageReference reference in viewModel.Experiment.References)
{
ComponentsLibraryNode referenceNode = new ComponentsLibraryNode(reference.Name);
packageReferencesNode.AddChild(referenceNode);
}
}
// components
ComponentsLibraryNode allComponentsNode = new ComponentsLibraryNode("All Components");
root.AddChild(allComponentsNode);
foreach (MetadataDefinition component in viewModel.ComponentsCollection)
{
ComponentsLibraryNode componentNode = new ComponentsLibraryNode(component.Label, component);
allComponentsNode.AddChild(componentNode);
foreach (string qualifiedTag in component.Tags.Values)
{
string[] tags = qualifiedTag.Split(new char[] { '.' });
if (tags.Length > 0)
{
ComponentsLibraryNode node = root;
foreach (string tag in tags)
{
ComponentsLibraryNode childNode = node.GetChild(tag);
if (childNode == null)
{
childNode = new ComponentsLibraryNode(tag);
node.AddChild(childNode);
}
node = childNode;
}
node.AddChild(componentNode);
}
}
}
return(root);
}
/// <summary>
/// Handler prepares drag data.
/// See the EnableDrop and HandleDragDataReceived in the ExperimentCanvasPad
/// where receiving of the data is done.
/// </summary>
/// <param name='o'>
/// O.
/// </param>
/// <param name='args'>
/// Arguments.
/// </param>
private void HandleDragDataGet(object source, DragDataGetArgs args)
{
TreeView treeView = source as TreeView;
TreeIter selectedItem;
if (treeView != null && treeView.Selection.GetSelected(out selectedItem))
{
ComponentsLibraryNode selectedNode = treeView.Model.GetValue(selectedItem, 0) as ComponentsLibraryNode;
if (selectedNode.Data != null)
{
args.SelectionData.Set(args.SelectionData.Target, args.SelectionData.Format, new byte[] {}); // we send empty byte array just to trigger a drag&drop event. Drop handler will access componentsLibrary once again to get selected node.
}
}
}
bool FilterNode(ComponentsLibraryNode node, string filter)
{
if (node.Label.ToUpper().Contains(filter))
{
return(true);
}
foreach (ComponentsLibraryNode child in node.GetChildren())
{
if (FilterNode(child, filter))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Handles the drag data received.
/// See the EnableDrag and HandleDragDataGet in the ComponentLibraryPad where the drag
/// has started and drag source is set
/// </summary>
/// <param name='o'>
/// O.
/// </param>
/// <param name='args'>
/// Arguments.
/// </param>
private void HandleDragDataReceived(object o, DragDataReceivedArgs args)
{
Widget source = Drag.GetSourceWidget(args.Context);
TreeView treeView = source as TreeView;
TreeIter selectedItem;
if (treeView != null && treeView.Selection.GetSelected(out selectedItem))
{
ComponentsLibraryNode selectedNode = treeView.Model.GetValue(selectedItem, 0) as ComponentsLibraryNode;
Cairo.PointD translation = m_experimentCanvasWidget.ExperimentCanvas.View.ViewToDrawing(args.X, args.Y);
ExperimentNode node = m_applicationViewModel.Experiment.AddComponentFromDefinition(selectedNode.Data,
translation.X, translation.Y);
m_experimentDrawer.DrawComponent(node, true);
}
Drag.Finish(args.Context, true, false, args.Time);
}
void AddNodeToTreeModel(ComponentsLibraryNode node, TreeStore tree, TreeIter parentNode)
{
parentNode = tree.AppendValues(parentNode, node);
//foreach (ComponentsLibraryNode childNode in node)
// AddNodeToTreeModel(childNode, tree, parentNode);
// HERZUM SPRINT 3: TLAB-194
List <ComponentsLibraryNode> listNode = new List <ComponentsLibraryNode> ();
foreach (ComponentsLibraryNode childNode in node)
{
listNode.Add(childNode);
}
listNode.Sort();
if (listNode.Count > 0)
{
foreach (ComponentsLibraryNode childNode in listNode)
{
AddNodeToTreeModel(childNode, tree, parentNode);
}
}
// END HERZUM SPRINT 3: TLAB-194
}
void RenderNode(TreeViewColumn column, CellRenderer cell, TreeModel model, TreeIter iter)
{
ComponentsLibraryNode node = (ComponentsLibraryNode)model.GetValue(iter, 0);
(cell as CellRendererText).Text = node.Label;
}
