/// <summary>
/// Called when a mouse button was pressed.
/// </summary>
public void OnButtonPress(ButtonPressEventArgs args)
{
Vector2 mousePos = new Vector2((float)args.Event.X, (float)args.Event.Y);
ModifierType modifierMask = Accelerator.DefaultModMask;
bool shift = (args.Event.State & modifierMask) == ModifierType.ShiftMask;
if (args.Event.Button == 1) // left click
{
MeshInfo underCursor = GetMeshAtScreenPos(mousePos);
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
// clear current selection unless shift is pressed
if (!shift)
{
MeshManager.Instance.SelectedMeshes.ForEach(m => m.IsSelected = false);
}
if (underCursor != null)
{
underCursor.IsActive = true;
}
op.Complete();
}
}
/// <summary>
/// Removes all selected meshes. The operation is added to the undo stack.
/// </summary>
public void DeleteSelected()
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
RemoveMeshes(SelectedMeshes);
op.Complete();
}
/// <summary>
/// Called when a visibility checkbox has changed.
/// </summary>
private void OnVisibleToggled(object o, ToggledArgs args)
{
TreePath path = new TreePath(args.Path);
TreeIter iter;
if (m_listStore.GetIter(out iter, path))
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
m_ignoreListSelection = true;
m_indexToMesh[path.Indices[0]].IsVisible = !(bool)m_listStore.GetValue(iter, 0);
op.Complete();
}
}
/// <summary>
/// Makes every mesh visible. The operation is added to the undo stack.
/// </summary>
public void ShowAll()
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
m_meshes.ForEach(m => m.IsSelected = false);
foreach (MeshInfo mesh in m_meshes.Where(m => !m.IsVisible))
{
mesh.IsVisible = true;
mesh.IsSelected = true;
}
op.Complete();
}
/// <summary>
/// Makes every mesh visible. The operation is added to the undo stack.
/// </summary>
public void HideSelected()
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
foreach (MeshInfo mesh in m_meshes)
{
if (mesh.IsSelected)
{
mesh.IsVisible = false;
}
}
op.Complete();
}
/// <summary>
/// Delects all meshes if any are selected and selects all meshes is none are selected.
/// The operation is added to the undo stack.
/// </summary>
public void ToggleSelected()
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
if (m_meshes.Any(m => m.IsSelected))
{
m_meshes.ForEach(m => m.IsSelected = false);
}
else
{
m_meshes.ForEach(m => m.IsSelected = m.IsVisible);
}
op.Complete();
}
/// <summary>
/// Adds meshes to the loaded mesh list. The operation is added to the undo stack.
/// </summary>
/// <param name="meshes">The meshes to add.</param
/// <returns>The mesh infos for the added meshes.</returns>
public List <MeshInfo> AddMeshes(IEnumerable <Mesh> meshes)
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
List <MeshInfo> meshInfos = new List <MeshInfo>();
foreach (Mesh mesh in meshes)
{
meshInfos.Add(new MeshInfo(mesh));
}
AddMeshes(meshInfos);
op.Complete();
return(meshInfos);
}
/// <summary>
/// Called when the selected elements of the list view has changed.
/// </summary>
private void OnListSelectionChanged(object sender, System.EventArgs e)
{
if (!m_ignoreListSelection)
{
ModifyMeshInfosOperation op = new ModifyMeshInfosOperation();
// deselect old selection
List <MeshInfo> oldSelection = MeshManager.Instance.SelectedMeshes;
oldSelection.ForEach(m => m.IsSelected = false);
List <MeshInfo> newSelected = GetSelectedMeshes().Where(m => !oldSelection.Contains(m)).ToList();
newSelected.ForEach(m => m.IsSelected = true);
if (newSelected.Count > 0)
{
if (oldSelection.Count > 0 && m_meshToIndex[oldSelection.First()] < m_meshToIndex[newSelected.First()])
{
newSelected.Last().IsActive = true;
}
else
{
newSelected.First().IsActive = true;
}
}
op.Complete();
}
else
{
m_treeView.Selection.Changed -= OnListSelectionChanged;
m_treeView.Selection.UnselectAll();
foreach (KeyValuePair <MeshInfo, int> meshPath in m_meshToIndex)
{
if (meshPath.Key.IsSelected)
{
TreePath path = new TreePath(meshPath.Value.ToString());
m_treeView.Selection.SelectPath(path);
}
}
m_ignoreListSelection = false;
m_treeView.Selection.Changed += OnListSelectionChanged;
}
}
