void BuildTreeChildren(Gtk.TreeStore store, Gtk.TreeIter parent, ParentNode p, IList <Block> blocks)
{
foreach (Node node in p)
{
if (!(node is TagNode))
{
var startLoc = new TextLocation(node.Location.BeginLine, node.Location.BeginColumn);
var endLoc = new TextLocation(node.Location.EndLine, node.Location.EndColumn);
var doc = defaultDocument.Editor.Document;
var blocksBetween = blocks.Where(n => n.Start.AbsoluteIndex >= doc.GetOffset(startLoc) &&
n.Start.AbsoluteIndex <= doc.GetOffset(endLoc));
foreach (var block in blocksBetween)
{
var outlineNode = new OutlineNode(block)
{
Location = new DomRegion(doc.OffsetToLocation(block.Start.AbsoluteIndex),
doc.OffsetToLocation(block.Start.AbsoluteIndex + block.Length))
};
if (!parent.Equals(Gtk.TreeIter.Zero))
{
store.AppendValues(parent, outlineNode);
}
else
{
store.AppendValues(outlineNode);
}
}
continue;
}
Gtk.TreeIter childIter;
if (!parent.Equals(Gtk.TreeIter.Zero))
{
childIter = store.AppendValues(parent, new OutlineNode(node as TagNode));
}
else
{
childIter = store.AppendValues(new OutlineNode(node as TagNode));
}
ParentNode pChild = node as ParentNode;
if (pChild != null)
{
BuildTreeChildren(store, childIter, pChild, blocks);
}
}
}
private static bool GetTreeIterForItem(out Gtk.TreeIter itemIter, Gtk.TreeIter parentIter, Gtk.TreeStore treeStore, FileNodeViewModel item, int index)
{
// if item is null, just get iterator at index
itemIter = Gtk.TreeIter.Zero;
var validIter = false;
var putAtFront = (index < 0) && (item == null);
if (parentIter.Equals(Gtk.TreeIter.Zero))
{
if (putAtFront)
{
validIter = treeStore.IterChildren(out itemIter);
}
else
{
validIter = (treeStore.IterNChildren() > index) && treeStore.IterNthChild(out itemIter, index);
}
}
else
{
if (putAtFront)
{
validIter = treeStore.IterChildren(out itemIter, parentIter);
}
else
{
validIter = (treeStore.IterNChildren(parentIter) > index) && treeStore.IterNthChild(out itemIter, parentIter, index);
}
}
var node = validIter ? treeStore.GetValue(itemIter, 0) as FileNodeViewModel : null;
var foundIt = (node == null) || (item == null) || object.ReferenceEquals(node, item);
return(foundIt && !itemIter.Equals(Gtk.TreeIter.Zero));
}
void BuildTreeChildren(Gtk.TreeStore store, Gtk.TreeIter parent, XContainer p, IList <Block> blocks)
{
foreach (XNode node in p.Nodes)
{
var el = node as XElement;
if (el == null)
{
var startLoc = node.Region.Begin;
var endLoc = node.Region.End;
var doc = defaultDocument.Editor.Document;
var blocksBetween = blocks.Where(n => n.Start.AbsoluteIndex >= doc.GetOffset(startLoc) &&
n.Start.AbsoluteIndex <= doc.GetOffset(endLoc));
foreach (var block in blocksBetween)
{
var outlineNode = new OutlineNode(block)
{
Location = new DomRegion(doc.OffsetToLocation(block.Start.AbsoluteIndex),
doc.OffsetToLocation(block.Start.AbsoluteIndex + block.Length))
};
if (!parent.Equals(Gtk.TreeIter.Zero))
{
store.AppendValues(parent, outlineNode);
}
else
{
store.AppendValues(outlineNode);
}
}
continue;
}
Gtk.TreeIter childIter;
if (!parent.Equals(Gtk.TreeIter.Zero))
{
childIter = store.AppendValues(parent, new OutlineNode(el));
}
else
{
childIter = store.AppendValues(new OutlineNode(el));
}
BuildTreeChildren(store, childIter, el, blocks);
}
}
/**
* Gets both iters from the provided ListStore obj based on the passed TreePath object(the selected row)
*/
private bool getPrevIterFromSelection(out Gtk.TreeIter selectedIter, out Gtk.TreeIter prevIter,
Gtk.TreePath selectedRow, Gtk.ListStore listModel)
{
listModel.GetIter(out selectedIter, selectedRow);
selectedRow.Prev();
listModel.GetIter(out prevIter, selectedRow);
return(prevIter.Stamp != 0 && !prevIter.Equals(selectedIter));
}
/**
* Gets both iters from the provided ListStore obj based on the passed TreePath object(the selected row)
*/
private bool getNextIterFromSelection(out Gtk.TreeIter selectedIter, out Gtk.TreeIter nextIter,
Gtk.TreePath selectedRow, Gtk.ListStore listModel)
{
listModel.GetIter(out selectedIter, selectedRow);
selectedRow.Next();
listModel.GetIter(out nextIter, selectedRow);
return(nextIter.Stamp != 0 && !nextIter.Equals(selectedIter));
}
void AssertIsValid()
{
if (!pad.sorting && !currentIter.Equals(Gtk.TreeIter.Zero) && !store.IterIsValid(currentIter))
{
if (dataItem == null || !MoveToObject(dataItem))
{
throw new InvalidOperationException("Tree iterator has been invalidated.");
}
}
}
public int IterNChildren(Gtk.TreeIter iter)
{
if (iter.Equals(TreeIter.Zero))
{
return(Nodes.Count);
}
else
{
return(GetNode(iter).ChildCount);
}
}
public int IterNChildren(Gtk.TreeIter iter)
{
if (iter.Equals(Gtk.TreeIter.Zero))
{
return(source.RowCount);
}
else
{
return(0);
}
}
internal void MoveToIter(Gtk.TreeIter iter)
{
currentNavIter = iter;
if (!iter.Equals(Gtk.TreeIter.Zero))
{
dataItem = GetStoreValue(ExtensibleTreeView.DataItemColumn);
}
else
{
dataItem = null;
}
}
public void Remove()
{
pad.RemoveChildren(currentIter);
object data = store.GetValue(currentIter, ExtensibleTreeView.DataItemColumn);
pad.UnregisterNode(data, currentIter, null, true);
Gtk.TreeIter it = currentIter;
if (store.Remove(ref it) && !it.Equals(Gtk.TreeIter.Zero))
{
MoveToIter(it);
}
}
public bool IterNthChild(out Gtk.TreeIter iter, Gtk.TreeIter parent, int n)
{
if (parent.Equals(Gtk.TreeIter.Zero))
{
iter = IterFromNode(n);
return(true);
}
else
{
iter = Gtk.TreeIter.Zero;
return(false);
}
}
static void BuildTreeChildren(Gtk.TreeStore store, Gtk.TreeIter parent, XContainer p)
{
foreach (XNode n in p.Nodes)
{
Gtk.TreeIter childIter;
if (!parent.Equals (Gtk.TreeIter.Zero))
childIter = store.AppendValues (parent, n);
else
childIter = store.AppendValues (n);
XContainer c = n as XContainer;
if (c != null && c.FirstChild != null)
BuildTreeChildren (store, childIter, c);
}
}
/// <summary>
/// Inserts the given child FileNodeViewModels into the given Gtk.TreeStore using the supplied Gtk.TreeIter as the point of insertion.
/// </summary>
/// <param name="treeStore">The Gtk.TreeStore to add child objects to.</param>
/// <param name="children">The child ViewModels.</param>
/// <param name="iter">The Gtk.TreeIter of the parent to which children are added.</param>
protected static void InsertChildren(Gtk.TreeStore treeStore, ObservableCollection <FileNodeViewModel> children, Gtk.TreeIter iter)
{
foreach (var child in children)
{
Gtk.TreeIter childIter;
if (iter.Equals(Gtk.TreeIter.Zero))
{
childIter = treeStore.AppendValues(child);
}
else
{
childIter = treeStore.AppendValues(iter, child);
}
var folder = child as FolderViewModel;
if (folder != null)
{
// Ensure the child folder has properly initialized Gtk.TreeStore.
folder.InitializeGtkModel(treeStore);
InsertChildren(treeStore, folder.Items, childIter);
}
}
}
public bool IterNthChild(out Gtk.TreeIter child, Gtk.TreeIter parent, int n)
{
child = TreeIter.Zero;
if (parent.Equals(TreeIter.Zero))
{
if (Nodes.Count <= n)
{
return(false);
}
child = GetIter(Nodes [n] as ITreeNode);
}
else
{
ITreeNode parent_node = GetNode(parent);
if (parent_node.ChildCount <= n)
{
return(false);
}
child = GetIter(parent_node [n]);
}
return(true);
}
bool FindChildByName(string name, ref Gtk.TreeIter iter)
{
if (iter.Equals(Gtk.TreeIter.Zero))
{
if (!store.GetIterFirst(out iter))
{
return(false);
}
}
else if (!store.IterChildren(out iter, iter))
{
return(false);
}
do
{
if (name == (string)store.GetValue(iter, ColSignal))
{
return(true);
}
}while (store.IterNext(ref iter));
return(false);
}
static void BuildTreeChildren(Gtk.TreeStore store, Gtk.TreeIter parent, ParentNode p)
{
foreach (Node n in p)
{
if (!(n is TagNode || n is DirectiveNode || n is ExpressionNode))
{
continue;
}
Gtk.TreeIter childIter;
if (!parent.Equals(Gtk.TreeIter.Zero))
{
childIter = store.AppendValues(parent, n);
}
else
{
childIter = store.AppendValues(n);
}
ParentNode pChild = n as ParentNode;
if (pChild != null)
{
BuildTreeChildren(store, childIter, pChild);
}
}
}
public bool IterChildren(out Gtk.TreeIter first_child, Gtk.TreeIter parent)
{
first_child = Gtk.TreeIter.Zero;
if (parent.Equals(TreeIter.Zero))
{
if (Nodes.Count <= 0)
{
return(false);
}
first_child = GetIter(Nodes [0] as ITreeNode);
}
else
{
ITreeNode node = GetNode(parent);
if (node.ChildCount <= 0)
{
return(false);
}
first_child = GetIter(node [0]);
}
return(true);
}
