/// <summary>
/// Gets the path to a specified iter.
/// </summary>
/// <param name="iter">The iter to get the path of.</param>
/// <returns>The TreePath corresponding to the given iter.</returns>
public TreePath GetPath(TreeIter iter)
{
if (iter.Stamp != this.Stamp)
{
throw new InvalidDataException("The given iter was not valid for this model.");
}
TreePath result = new TreePath();
FileNode node = this.Tree.GetNode((ulong)iter.UserData);
if (node == null)
{
return(result);
}
while (node.ParentOffset > -1)
{
FileNode parentNode = this.Tree.GetNode((ulong)node.ParentOffset);
ulong nodeOffset = this.Tree.GetNodeOffset(node);
result.PrependIndex(parentNode.ChildOffsets.IndexOf(nodeOffset));
node = parentNode;
}
result.PrependIndex(this.Tree.Root.ChildOffsets.IndexOf((ulong)iter.UserData));
return(result);
}
/// <summary>
/// Gets the iter of the first child of the given iter.
/// </summary>
/// <param name="iter">Will contain the first child.</param>
/// <param name="parent">The iter to get the first child from.</param>
/// <returns>true if the iter is now set to the first child of the parent; false otherwise</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
/// <exception cref="ArgumentException">Thrown if the iter is not valid.</exception>
public bool IterChildren(out TreeIter iter, TreeIter parent)
{
if (parent.Stamp != this.Stamp)
{
throw new InvalidDataException("The given parent was not valid for this model.");
}
iter = TreeIter.Zero;
FileNode node = parent.Equals(TreeIter.Zero) ? this.Tree.Root : this.Tree.GetNode((ulong)parent.UserData);
if (node == null)
{
throw new ArgumentException("The given iter was not valid.", nameof(parent));
}
if (!node.HasChildren())
{
return(false);
}
iter.UserData = new IntPtr((long)node.ChildOffsets.First());
iter.Stamp = this.Stamp;
return(true);
}
/// <summary>
/// Gets the parent of the given iter.
/// </summary>
/// <param name="iter">Will contain the parent iter.</param>
/// <param name="child">The iter to get the parent of.</param>
/// <returns>true if the iter is now set to the parent iter of the child; false otherwise</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
/// <exception cref="ArgumentException">Thrown if the iter is not valid.</exception>
public bool IterParent(out TreeIter iter, TreeIter child)
{
if (child.Stamp != this.Stamp)
{
throw new InvalidDataException("The given child was not valid for this model.");
}
iter = TreeIter.Zero;
FileNode childNode = this.Tree.GetNode((ulong)child.UserData);
if (childNode == null)
{
throw new ArgumentException("The given iter was not valid.", nameof(child));
}
FileNode parentNode = this.Tree.GetNode((ulong)childNode.ParentOffset);
if (parentNode == null)
{
return(false);
}
iter.UserData = new IntPtr((long)this.Tree.GetNodeOffset(parentNode));
iter.Stamp = this.Stamp;
return(true);
}
/// <summary>
/// Gets the nth child of the provided iter.
/// </summary>
/// <param name="iter">Will contain the nth child.</param>
/// <param name="parent">The iter to get the child of.</param>
/// <param name="n">The value of n.</param>
/// <returns>true if the iter is now set to the nth child of the parent; false otherwise</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
/// <exception cref="ArgumentException">Thrown if the iter is not valid.</exception>
public bool IterNthChild(out TreeIter iter, TreeIter parent, int n)
{
if (parent.Stamp != this.Stamp && !parent.Equals(TreeIter.Zero))
{
throw new InvalidDataException("The given parent was not valid for this model.");
}
iter = TreeIter.Zero;
if (n < 0)
{
return(false);
}
FileNode node = iter.Equals(TreeIter.Zero) ? this.Tree.Root : this.Tree.GetNode((ulong)iter.UserData);
if (node == null)
{
throw new ArgumentException("The given iter was not valid.", nameof(parent));
}
if (!node.HasChildren() || n > (int)node.ChildCount - 1)
{
return(false);
}
iter.UserData = new IntPtr((long)node.ChildOffsets[n]);
iter.Stamp = this.Stamp;
return(true);
}
/// <summary>
/// Gets the package the given node belongs to.
/// </summary>
/// <param name="node">The node to get the package of.</param>
/// <returns>The name of the package.</returns>
public string GetNodePackage(FileNode node)
{
var currentNode = node;
while (!(currentNode.Type.HasFlag(NodeType.Package) || currentNode.Type.HasFlag(NodeType.Meta)))
{
currentNode = this.Tree.GetNode((ulong)currentNode.ParentOffset);
}
return(GetNodeName(currentNode));
}
/// <summary>
/// Sorts the game explorer row.
/// </summary>
/// <returns>The sorting priority of the row. This value can be -1, 0 or 1 if
/// A sorts before B, A sorts with B or A sorts after B, respectively.</returns>
/// <param name="model">Model.</param>
/// <param name="a">Iter a.</param>
/// <param name="b">Iter b.</param>
private int SortGameTreeRow(ITreeModel model, TreeIter a, TreeIter b)
{
const int sortABeforeB = -1;
const int sortAWithB = 0;
const int sortAAfterB = 1;
FileNode nodeA = (FileNode)model.GetValue(a, 0);
FileNode nodeB = (FileNode)model.GetValue(b, 0);
NodeType typeofA = nodeA.Type;
NodeType typeofB = nodeB.Type;
// Special case for meta nodes - if A is a meta node, but B is not
if (typeofA.HasFlag(NodeType.Meta) && !typeofB.HasFlag(NodeType.Meta))
{
// Then it should always sort after B
return(sortAAfterB);
}
if (typeofB.HasFlag(NodeType.Meta) && !typeofA.HasFlag(NodeType.Meta))
{
// Then it should always sort before B
return(sortABeforeB);
}
if (typeofA < typeofB)
{
return(sortAAfterB);
}
if (typeofA > typeofB)
{
return(sortABeforeB);
}
string nodeAName = this.TreeModel.GetNodeName(nodeA);
string nodeBName = this.TreeModel.GetNodeName(nodeB);
int result = string.CompareOrdinal(nodeAName, nodeBName);
if (result <= sortABeforeB)
{
return(sortAAfterB);
}
if (result >= sortAAfterB)
{
return(sortABeforeB);
}
return(sortAWithB);
}
/// <summary>
/// Gets a <see cref="FileReference"/> from a given iter in the tree.
/// </summary>
/// <param name="packageGroup">The package group to create a reference for.</param>
/// <param name="iter">The iter in the tree.</param>
/// <returns>The FileReference pointed to by the given iter.</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
public FileReference GetReferenceByIter(PackageGroup packageGroup, TreeIter iter)
{
if (iter.Stamp != this.Stamp)
{
throw new InvalidDataException("The given iter was not valid for this model.");
}
FileNode node = this.Tree.GetNode((ulong)iter.UserData);
if (node == null)
{
return(null);
}
return(new FileReference(packageGroup, node, GetNodePackage(node), GetNodeFilePath(node)));
}
/// <summary>
/// Determines whether or not the given iter has any children.
/// </summary>
/// <param name="iter">The iter to check.</param>
/// <returns>true if the iter has any children; false otherwise</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
/// <exception cref="ArgumentException">Thrown if the iter is not valid.</exception>
public bool IterHasChild(TreeIter iter)
{
if (iter.Stamp != this.Stamp)
{
throw new InvalidDataException("The given iter was not valid for this model.");
}
FileNode node = iter.Equals(TreeIter.Zero) ? this.Tree.Root : this.Tree.GetNode((ulong)iter.UserData);
if (node == null)
{
throw new ArgumentException("The given iter was not valid.", nameof(iter));
}
return(node.HasChildren());
}
/// <summary>
/// Enumerates all references pointing to files under the given reference. If the reference already points to
/// a file, it is returned back. If it is null, nothing is returned. The search is performed as a depth-first
/// level scan.
/// </summary>
/// <param name="fileReference">The reference to enumerate.</param>
/// <returns>A set of all the child references of the given reference.</returns>
public IEnumerable <FileReference> EnumerateFilesOfReference(FileReference fileReference)
{
if (fileReference == null)
{
yield break;
}
if (fileReference.IsFile)
{
yield return(fileReference);
yield break;
}
List <FileNode> folderNodes = new List <FileNode> {
fileReference.Node
};
while (folderNodes.Count > 0)
{
FileNode folderNode = folderNodes.First();
foreach (ulong offset in folderNode.ChildOffsets)
{
FileNode childNode = this.Tree.GetNode(offset);
if (childNode.Type.HasFlag(NodeType.File))
{
yield return(new FileReference
(
fileReference.PackageGroup,
childNode,
fileReference.PackageName,
GetNodeFilePath(childNode)
));
}
if (childNode.Type.HasFlag(NodeType.Directory))
{
folderNodes.Add(childNode);
}
}
folderNodes.Remove(folderNode);
}
}
/// <summary>
/// Gets the value stored in the model at a given iter.
/// </summary>
/// <param name="iter">The iter where the value is stored.</param>
/// <param name="column">The column to get the value from</param>
/// <param name="value">Will contain the value.</param>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
public void GetValue(TreeIter iter, int column, ref Value value)
{
if (iter.Stamp != this.Stamp && !iter.Equals(TreeIter.Zero))
{
throw new InvalidDataException("The given iter was not valid for this model.");
}
FileNode node = iter.Equals(TreeIter.Zero) ? this.Tree.Root : this.Tree.GetNode((ulong)iter.UserData);
if (node == null)
{
return;
}
value.Init(LookupGType(typeof(FileNode)));
value.Val = node;
}
/// <summary>
/// This function is used internally by the tree filter to determine which rows are visible and which are not.
/// </summary>
/// <param name="model">The model of the tree.</param>
/// <param name="iter">The iter to determine visibility for.</param>
/// <returns>true if the iter should be visible; false otherwise.</returns>
private bool TreeModelVisibilityFunc(ITreeModel model, TreeIter iter)
{
if (!this.IsFiltered)
{
return(true);
}
FileNode node = (FileNode)model.GetValue(iter, 0);
WarcraftFileType nodeTypes = node.FileType;
// If the file types of the node and the filtered types overlap in any way, then it should
// be displayed.
if ((nodeTypes & this.FilteredFileTypes) != 0)
{
return(true);
}
return(false);
}
/// <summary>
/// Gets the absolute file path of a node within the package.
/// </summary>
/// <param name="node">The node to get the path of.</param>
/// <returns>The file path of the node in the package.</returns>
public string GetNodeFilePath(FileNode node)
{
StringBuilder sb = new StringBuilder();
var currentNode = node;
while (!(currentNode.Type.HasFlag(NodeType.Package) || currentNode.Type.HasFlag(NodeType.Meta)))
{
if (currentNode.Type.HasFlag(NodeType.Directory))
{
sb.Insert(0, '\\');
}
sb.Insert(0, GetNodeName(currentNode));
currentNode = this.Tree.GetNode((ulong)currentNode.ParentOffset);
}
return(sb.ToString());
}
/// <summary>
/// Determines the number of children an iter has.
/// </summary>
/// <param name="iter">The iter to count the children of.</param>
/// <returns>The number of children that the iter has.</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
/// <exception cref="ArgumentException">Thrown if the iter is not valid.</exception>
public int IterNChildren(TreeIter iter)
{
if (iter.Equals(TreeIter.Zero))
{
return((int)this.Tree.Root.ChildCount);
}
if (iter.Stamp != this.Stamp)
{
throw new InvalidDataException("The given iter was not valid for this model.");
}
FileNode node = this.Tree.GetNode((ulong)iter.UserData);
if (node == null)
{
throw new ArgumentException("The given iter was not valid.", nameof(iter));
}
return((int)node.ChildCount);
}
/// <summary>
/// Moves the given iter to the next one at the same level.
/// </summary>
/// <param name="iter">The iter to move.</param>
/// <returns>true if the iter is now set to the next iter at the same level; false otherwise</returns>
/// <exception cref="InvalidDataException">Thrown if the iter doesn't belong to the model.</exception>
public bool IterNext(ref TreeIter iter)
{
if (iter.Stamp != this.Stamp)
{
throw new InvalidDataException("The given iter was not valid for this model.");
}
ulong currentOffset = (ulong)iter.UserData;
FileNode currentNode = this.Tree.GetNode(currentOffset);
FileNode parentNode = this.Tree.GetNode((ulong)currentNode.ParentOffset);
int currentIndex = parentNode.ChildOffsets.IndexOf(currentOffset);
int nextIndex = currentIndex + 1;
if (nextIndex < (int)parentNode.ChildCount)
{
iter.UserData = new IntPtr((long)parentNode.ChildOffsets[nextIndex]);
return(true);
}
return(false);
}
/// <summary>
/// Handles rendering of the name of a node in the tree.
/// </summary>
/// <param name="column">The column which the cell is in.</param>
/// <param name="cell">The cell which the name is in.</param>
/// <param name="model">The model of the treeview.</param>
/// <param name="iter">The <see cref="TreeIter"/> pointing to the row the name is in.</param>
private void RenderNodeName(TreeViewColumn column, CellRenderer cell, ITreeModel model, TreeIter iter)
{
CellRendererText cellText = cell as CellRendererText;
FileNode node = (FileNode)model.GetValue(iter, 0);
if (node == null || cellText == null)
{
return;
}
cellText.Text = this.TreeModel.GetNodeName(node);
if (node.Type.HasFlag(NodeType.Deleted))
{
cellText.Style = Style.Italic;
cellText.Foreground = "#D74328";
}
else
{
cellText.Style = Style.Normal;
cellText.Foreground = null;
}
}
/// <summary>
/// Gets an iter at a specified path.
/// </summary>
/// <param name="iter">Will contain the iter.</param>
/// <param name="path">The path to the iter.</param>
/// <returns>true if the iter is now set to the iter at the given path; false otherwise.</returns>
public bool GetIter(out TreeIter iter, TreePath path)
{
iter = TreeIter.Zero;
ulong currentOffset = 0;
FileNode currentNode = this.Tree.Root;
foreach (int index in path.Indices)
{
ulong longIndex = (ulong)index;
if (longIndex > currentNode.ChildCount - 1)
{
return(false);
}
currentOffset = currentNode.ChildOffsets[index];
currentNode = this.Tree.GetNode(currentOffset);
}
iter.UserData = new IntPtr((long)currentOffset);
iter.Stamp = this.Stamp;
return(true);
}
/// <summary>
/// Handles rendering of the icon of a node in the tree.
/// </summary>
/// <param name="column">The column which the icon is in.</param>
/// <param name="cell">The cell which the reference is in.</param>
/// <param name="model">The model of the treeview.</param>
/// <param name="iter">The <see cref="TreeIter"/> pointing to the row the icon is in.</param>
private void RenderNodeIcon(TreeViewColumn column, CellRenderer cell, ITreeModel model, TreeIter iter)
{
CellRendererPixbuf cellIcon = cell as CellRendererPixbuf;
FileNode node = (FileNode)model.GetValue(iter, 0);
if (node == null || cellIcon == null)
{
return;
}
if (node.Type.HasFlag(NodeType.Directory))
{
cellIcon.Pixbuf = IconManager.GetIconForFiletype(WarcraftFileType.Directory);
return;
}
if (node.Type.HasFlag(NodeType.Deleted))
{
cellIcon.Pixbuf = IconManager.GetIcon("package-broken");
return;
}
if (node.Type.HasFlag(NodeType.Meta) && this.TreeModel.GetNodeName(node) == "Packages")
{
cellIcon.Pixbuf = IconManager.GetIcon("applications-other");
return;
}
if (node.Type.HasFlag(NodeType.Package))
{
cellIcon.Pixbuf = IconManager.GetIcon("package-x-generic");
return;
}
cellIcon.Pixbuf = IconManager.GetIconForFiletype(node.FileType);
}
/// <summary>
/// Gets the name of a given node.
/// </summary>
/// <param name="node">The node to get the name of.</param>
/// <returns>The name of the node.</returns>
public string GetNodeName(FileNode node)
{
return(this.Tree.GetNodeName(node));
}
