/// <summary>
///
/// </summary>
/// <param name="item"></param>
/// <param name="parent"></param>
private void AddDockableItem(DockableItem item, TreeNode parent)
{
TreeNode node = new TreeNode(item.ToString());
node.Tag = item;
ChangeNodeIcon(node, item.Dock);
// First node
if (parent == null)
{
trvDockableItems.Nodes.Add(node);
}
else
{
parent.Nodes.Add(node);
}
foreach (DockableItem childItem in item.Items)
{
AddDockableItem(childItem, node);
}
}
/// <summary>
///
/// </summary>
private void RemoveDockableItem()
{
if (trvDockableItems.SelectedNode != null)
{
DockableItem dockableItem = trvDockableItems.SelectedNode.Tag as DockableItem;
if (trvDockableItems.SelectedNode.Parent != null)
{
(trvDockableItems.SelectedNode.Parent.Tag as DockableItem).Items.Remove(dockableItem);
}
else
{
this.Items.Remove(dockableItem);
}
trvDockableItems.SelectedNode.Remove();
}
}
/// <summary>
///
/// </summary>
/// <param name="first"></param>
/// <param name="second"></param>
private void SwapNodes(TreeNode first, TreeNode second)
{
// First index will always greater than the second index.
// So when removing we remove the item at first index then second index,
// but when inserting just do the reverse.
int firstIndex = first.Index;
int secondIndex = second.Index;
DockableItem firstItem = (first.Tag as DockableItem);
DockableItem secondItem = (second.Tag as DockableItem);
// assumes both are in same level
if (first.Parent != null)
{
TreeNode parentNode = first.Parent;
DockableItemCollection itemCollection = (parentNode.Tag as DockableItem).Items;
itemCollection.RemoveAt(firstIndex);
itemCollection.RemoveAt(secondIndex);
itemCollection.Insert(secondIndex, firstItem);
itemCollection.Insert(firstIndex, secondItem);
parentNode.Nodes.RemoveAt(firstIndex);
parentNode.Nodes.RemoveAt(secondIndex);
parentNode.Nodes.Insert(secondIndex, first);
parentNode.Nodes.Insert(firstIndex, second);
}
else
{
this.Items.RemoveAt(firstIndex);
this.Items.RemoveAt(secondIndex);
this.Items.Insert(secondIndex, firstItem);
this.Items.Insert(firstIndex, secondItem);
trvDockableItems.Nodes.RemoveAt(firstIndex);
trvDockableItems.Nodes.RemoveAt(secondIndex);
trvDockableItems.Nodes.Insert(secondIndex, first);
trvDockableItems.Nodes.Insert(firstIndex, second);
}
}
/// <summary>
///
/// </summary>
private void AddNewDockableItem()
{
DockableItem dockableItem = new DockableItem();
TreeNode node = new TreeNode(dockableItem.ToString(), IMAGEINDEXNONE, IMAGEINDEXNONE);
node.Tag = dockableItem;
if (trvDockableItems.SelectedNode != null)
{
(trvDockableItems.SelectedNode.Tag as DockableItem).Items.Add(dockableItem);
trvDockableItems.SelectedNode.Nodes.Add(node);
}
else
{
this.items.Add(dockableItem);
trvDockableItems.Nodes.Add(node);
}
}
/// <summary>
///
/// </summary>
/// <param name="node"></param>
private void MoveNodeRight(TreeNode node)
{
int nodeIndex = node.Index;
DockableItem nodeItem = (node.Tag as DockableItem);
TreeNode prevNode = node.PrevNode;
if (node.Parent != null)
{
(node.Parent.Tag as DockableItem).Items.RemoveAt(nodeIndex);
node.Parent.Nodes.RemoveAt(nodeIndex);
}
else
{
this.Items.RemoveAt(nodeIndex);
trvDockableItems.Nodes.RemoveAt(nodeIndex);
}
(prevNode.Tag as DockableItem).Items.Add(nodeItem);
prevNode.Nodes.Add(node);
trvDockableItems.SelectedNode = node;
trvDockableItems.Focus();
}
/// <summary>
///
/// </summary>
/// <param name="node"></param>
private void MoveNodeLeft(TreeNode node)
{
int nodeIndex = node.Index;
DockableItem nodeItem = (node.Tag as DockableItem);
TreeNode parentNode = node.Parent;
(node.Parent.Tag as DockableItem).Items.RemoveAt(nodeIndex);
node.Parent.Nodes.RemoveAt(nodeIndex);
if (parentNode.Parent != null)
{
TreeNode grandParent = parentNode.Parent;
(grandParent.Tag as DockableItem).Items.Add(nodeItem);
grandParent.Nodes.Add(node);
}
else
{
this.Items.Add(nodeItem);
trvDockableItems.Nodes.Add(node);
}
trvDockableItems.SelectedNode = node;
trvDockableItems.Focus();
}