public TreeViews()
{
TreeView view = new TreeView ();
TreeStore store = new TreeStore (text, desc);
view.Columns.Add ("Item", text);
view.Columns.Add ("Desc", desc);
store.AddNode ().SetValue (text, "One").SetValue (desc, "First");
store.AddNode ().SetValue (text, "Two").SetValue (desc, "Second").AddChild ()
.SetValue (text, "Sub two").SetValue (desc, "Sub second");
store.AddNode ().SetValue (text, "Three").SetValue (desc, "Third").AddChild ()
.SetValue (text, "Sub three").SetValue (desc, "Sub third");
PackStart (view);
view.DataSource = store;
Label la = new Label ();
PackStart (la);
view.SetDragDropTarget (DragDropAction.All, TransferDataType.Text);
view.SetDragSource (DragDropAction.All, TransferDataType.Text);
view.DragDrop += delegate(object sender, DragEventArgs e) {
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow (e.Position.X, e.Position.Y, out pos, out node);
var nav = store.GetNavigatorAt (node);
la.Text += "Dropped \"" + e.Data.Text + "\" into \"" + nav.GetValue (text) + "\" " + pos + "\n";
e.Success = true;
};
view.DragOver += delegate(object sender, DragOverEventArgs e) {
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow (e.Position.X, e.Position.Y, out pos, out node);
if (pos == RowDropPosition.Into)
e.AllowedAction = DragDropAction.None;
else
e.AllowedAction = e.Action;
};
view.DragStarted += delegate(object sender, DragStartedEventArgs e) {
var val = store.GetNavigatorAt (view.SelectedRow).GetValue (text);
e.DragOperation.Data.AddValue (val);
e.DragOperation.Finished += delegate(object s, DragFinishedEventArgs args) {
Console.WriteLine ("D:" + args.DeleteSource);
};
};
}
public TreeViews()
{
TreeView view = new TreeView();
TreeStore store = new TreeStore(triState, check, text, desc);
view.GridLinesVisible = GridLines.Both;
var triStateCellView = new CheckBoxCellView(triState) { Editable = true, AllowMixed = true };
triStateCellView.Toggled += (object sender, WidgetEventArgs e) =>
{
if (view.CurrentEventRow == null)
{
MessageDialog.ShowError("CurrentEventRow is null. This is not supposed to happen");
}
else
{
store.GetNavigatorAt(view.CurrentEventRow).SetValue(text, "TriState Toggled");
}
};
var checkCellView = new CheckBoxCellView(check) { Editable = true };
checkCellView.Toggled += (object sender, WidgetEventArgs e) =>
{
if (view.CurrentEventRow == null)
{
MessageDialog.ShowError("CurrentEventRow is null. This is not supposed to happen");
}
else
{
store.GetNavigatorAt(view.CurrentEventRow).SetValue(text, "Toggled");
}
};
view.Columns.Add("TriCheck", triStateCellView);
view.Columns.Add("Check", checkCellView);
view.Columns.Add("Item", text);
view.Columns.Add("Desc", desc);
store.AddNode().SetValue(text, "One").SetValue(desc, "First").SetValue(triState, CheckBoxState.Mixed);
store.AddNode().SetValue(text, "Two").SetValue(desc, "Second").AddChild()
.SetValue(text, "Sub two").SetValue(desc, "Sub second");
store.AddNode().SetValue(text, "Three").SetValue(desc, "Third").AddChild()
.SetValue(text, "Sub three").SetValue(desc, "Sub third");
PackStart(view, true);
Menu contextMenu = new Menu();
contextMenu.Items.Add(new MenuItem("Test menu"));
view.ButtonPressed += delegate(object sender, ButtonEventArgs e)
{
TreePosition tmpTreePos;
RowDropPosition tmpRowDrop;
if ((e.Button == PointerButton.Right) && view.GetDropTargetRow(e.X, e.Y, out tmpRowDrop, out tmpTreePos))
{
// Set actual row to selected
view.SelectRow(tmpTreePos);
contextMenu.Popup(view, e.X, e.Y);
}
};
view.DataSource = store;
Label la = new Label();
PackStart(la);
view.SetDragDropTarget(DragDropAction.All, TransferDataType.Text);
view.SetDragSource(DragDropAction.All, TransferDataType.Text);
view.DragDrop += delegate(object sender, DragEventArgs e)
{
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow(e.Position.X, e.Position.Y, out pos, out node);
var nav = store.GetNavigatorAt(node);
la.Text += "Dropped \"" + e.Data.Text + "\" into \"" + nav.GetValue(text) + "\" " + pos + "\n";
e.Success = true;
};
view.DragOver += delegate(object sender, DragOverEventArgs e)
{
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow(e.Position.X, e.Position.Y, out pos, out node);
if (pos == RowDropPosition.Into)
e.AllowedAction = DragDropAction.None;
else
e.AllowedAction = e.Action;
};
view.DragStarted += delegate(object sender, DragStartedEventArgs e)
{
var val = store.GetNavigatorAt(view.SelectedRow).GetValue(text);
e.DragOperation.Data.AddValue(val);
e.DragOperation.Finished += delegate(object s, DragFinishedEventArgs args)
{
Console.WriteLine("D:" + args.DeleteSource);
};
};
view.RowExpanding += delegate(object sender, TreeViewRowEventArgs e)
{
var val = store.GetNavigatorAt(e.Position).GetValue(text);
Console.WriteLine("Expanding: " + val);
};
view.RowExpanded += delegate(object sender, TreeViewRowEventArgs e)
{
var val = store.GetNavigatorAt(e.Position).GetValue(text);
Console.WriteLine("Expanded: " + val);
};
view.RowCollapsing += delegate(object sender, TreeViewRowEventArgs e)
{
var val = store.GetNavigatorAt(e.Position).GetValue(text);
Console.WriteLine("Collapsing: " + val);
};
view.RowCollapsed += delegate(object sender, TreeViewRowEventArgs e)
{
var val = store.GetNavigatorAt(e.Position).GetValue(text);
Console.WriteLine("Collapsed: " + val);
};
int addCounter = 0;
view.KeyPressed += (sender, e) =>
{
if (e.Key == Key.Insert)
{
TreeNavigator n;
if (view.SelectedRow != null)
n = store.InsertNodeAfter(view.SelectedRow).SetValue(text, "Inserted").SetValue(desc, "Desc");
else
n = store.AddNode().SetValue(text, "Inserted").SetValue(desc, "Desc");
view.ExpandToRow(n.CurrentPosition);
view.ScrollToRow(n.CurrentPosition);
view.UnselectAll();
view.SelectRow(n.CurrentPosition);
view.FocusedRow = n.CurrentPosition;
}
};
Button addButton = new Button("Add");
addButton.Clicked += delegate(object sender, EventArgs e)
{
addCounter++;
TreeNavigator n;
if (view.SelectedRow != null)
n = store.AddNode(view.SelectedRow).SetValue(text, "Added " + addCounter).SetValue(desc, "Desc");
else
n = store.AddNode().SetValue(text, "Added " + addCounter).SetValue(desc, "Desc");
view.ExpandToRow(n.CurrentPosition);
view.ScrollToRow(n.CurrentPosition);
view.SelectRow(n.CurrentPosition);
};
PackStart(addButton);
Button removeButton = new Button("Remove Selection");
removeButton.Clicked += delegate(object sender, EventArgs e)
{
foreach (TreePosition row in view.SelectedRows)
{
store.GetNavigatorAt(row).Remove();
}
};
PackStart(removeButton);
var label = new Label();
PackStart(label);
view.RowExpanded += (sender, e) => label.Text = "Row expanded: " + store.GetNavigatorAt(e.Position).GetValue(text);
}
public TreeViews()
{
TreeView view = new TreeView ();
TreeStore store = new TreeStore (text, desc);
view.Columns.Add ("Item", text);
view.Columns.Add ("Desc", desc);
store.AddNode ().SetValue (text, "One").SetValue (desc, "First");
store.AddNode ().SetValue (text, "Two").SetValue (desc, "Second").AddChild ()
.SetValue (text, "Sub two").SetValue (desc, "Sub second");
store.AddNode ().SetValue (text, "Three").SetValue (desc, "Third").AddChild ()
.SetValue (text, "Sub three").SetValue (desc, "Sub third");
PackStart (view, BoxMode.FillAndExpand);
view.DataSource = store;
Label la = new Label ();
PackStart (la);
view.SetDragDropTarget (DragDropAction.All, TransferDataType.Text);
view.SetDragSource (DragDropAction.All, TransferDataType.Text);
view.DragDrop += delegate(object sender, DragEventArgs e) {
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow (e.Position.X, e.Position.Y, out pos, out node);
var nav = store.GetNavigatorAt (node);
la.Text += "Dropped \"" + e.Data.Text + "\" into \"" + nav.GetValue (text) + "\" " + pos + "\n";
e.Success = true;
};
view.DragOver += delegate(object sender, DragOverEventArgs e) {
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow (e.Position.X, e.Position.Y, out pos, out node);
if (pos == RowDropPosition.Into)
e.AllowedAction = DragDropAction.None;
else
e.AllowedAction = e.Action;
};
view.DragStarted += delegate(object sender, DragStartedEventArgs e) {
var val = store.GetNavigatorAt (view.SelectedRow).GetValue (text);
e.DragOperation.Data.AddValue (val);
e.DragOperation.Finished += delegate(object s, DragFinishedEventArgs args) {
Console.WriteLine ("D:" + args.DeleteSource);
};
};
Button addButton = new Button ("Add");
addButton.Clicked += delegate(object sender, EventArgs e) {
store.AddNode ().SetValue (text, "Added").SetValue (desc, "Desc");
};
PackStart (addButton);
Button removeButton = new Button ("Remove Selection");
removeButton.Clicked += delegate(object sender, EventArgs e) {
foreach (TreePosition row in view.SelectedRows) {
store.GetNavigatorAt (row).Remove ();
}
};
PackStart (removeButton);
var label = new Label ();
PackStart (label);
view.RowExpanded += (sender, e) => label.Text = "Row expanded: " + store.GetNavigatorAt (e.Position).GetValue (text);
}
public TreeViews()
{
TreeView view = new TreeView ();
TreeStore store = new TreeStore (triState, check, text, desc);
var triStateCellView = new CheckBoxCellView (triState) { Editable = true, AllowMixed = true };
triStateCellView.Toggled += (object sender, WidgetEventArgs e) => {
if (view.CurrentEventRow == null) {
MessageDialog.ShowError("CurrentEventRow is null. This is not supposed to happen");
}
else {
store.GetNavigatorAt(view.CurrentEventRow).SetValue(text, "TriState Toggled");
}
};
var checkCellView = new CheckBoxCellView (check) { Editable = true };
checkCellView.Toggled += (object sender, WidgetEventArgs e) => {
if (view.CurrentEventRow == null) {
MessageDialog.ShowError("CurrentEventRow is null. This is not supposed to happen");
}
else {
store.GetNavigatorAt(view.CurrentEventRow).SetValue(text, "Toggled");
}
};
view.Columns.Add ("TriCheck", triStateCellView);
view.Columns.Add ("Check", checkCellView);
view.Columns.Add ("Item", text);
view.Columns.Add ("Desc", desc);
store.AddNode ().SetValue (text, "One").SetValue (desc, "First").SetValue (triState, CheckBoxState.Mixed);
store.AddNode ().SetValue (text, "Two").SetValue (desc, "Second").AddChild ()
.SetValue (text, "Sub two").SetValue (desc, "Sub second");
store.AddNode ().SetValue (text, "Three").SetValue (desc, "Third").AddChild ()
.SetValue (text, "Sub three").SetValue (desc, "Sub third");
PackStart (view, true);
view.DataSource = store;
Label la = new Label ();
PackStart (la);
view.SetDragDropTarget (DragDropAction.All, TransferDataType.Text);
view.SetDragSource (DragDropAction.All, TransferDataType.Text);
view.DragDrop += delegate(object sender, DragEventArgs e) {
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow (e.Position.X, e.Position.Y, out pos, out node);
var nav = store.GetNavigatorAt (node);
la.Text += "Dropped \"" + e.Data.Text + "\" into \"" + nav.GetValue (text) + "\" " + pos + "\n";
e.Success = true;
};
view.DragOver += delegate(object sender, DragOverEventArgs e) {
TreePosition node;
RowDropPosition pos;
view.GetDropTargetRow (e.Position.X, e.Position.Y, out pos, out node);
if (pos == RowDropPosition.Into)
e.AllowedAction = DragDropAction.None;
else
e.AllowedAction = e.Action;
};
view.DragStarted += delegate(object sender, DragStartedEventArgs e) {
var val = store.GetNavigatorAt (view.SelectedRow).GetValue (text);
e.DragOperation.Data.AddValue (val);
e.DragOperation.Finished += delegate(object s, DragFinishedEventArgs args) {
Console.WriteLine ("D:" + args.DeleteSource);
};
};
Button addButton = new Button ("Add");
addButton.Clicked += delegate(object sender, EventArgs e) {
store.AddNode ().SetValue (text, "Added").SetValue (desc, "Desc");
};
PackStart (addButton);
Button removeButton = new Button ("Remove Selection");
removeButton.Clicked += delegate(object sender, EventArgs e) {
foreach (TreePosition row in view.SelectedRows) {
store.GetNavigatorAt (row).Remove ();
}
};
PackStart (removeButton);
var label = new Label ();
PackStart (label);
view.RowExpanded += (sender, e) => label.Text = "Row expanded: " + store.GetNavigatorAt (e.Position).GetValue (text);
}