class/Gtk.TeamFoundation/TreeViewBase.cs

   1 //
   2 // TreeViewBase.cs
   3 //
   4 // Authors:
   5 //      Joel Reed (joelwreed@gmail.com)
   6 //
   7
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.IO;
  31 using System.Net;
  32 using Gtk;
  33
  34 using Microsoft.TeamFoundation.Client;
  35 using Microsoft.TeamFoundation.VersionControl.Common;
  36 using Microsoft.TeamFoundation.VersionControl.Client;
  37
  38 namespace Gtk.TeamFoundation
  39 {
  40         public class TreeViewBase : Gtk.TreeView
  41         {
  42                 public TreeViewBase()
  43                         {
  44                                 RowExpanded += MyRowExpandedHandler;
  45                                 ButtonPressEvent += MyButtonPressedHandler;
  46                         }
  47
  48                 private void MyRowExpandedHandler (object o, RowExpandedArgs args)
  49                 {
  50                         PopulateRowChildren(args.Iter);
  51                 }
  52
  53                 protected override bool OnKeyPressEvent(Gdk.EventKey evnt)
  54                 {
  55                         if (evnt.Key == Gdk.Key.Return || evnt.Key == Gdk.Key.Right)
  56                                 {
  57                                         TreeIter iter; TreeModel model;
  58
  59                                         if (Selection.GetSelected (out model, out iter))
  60                                                 {
  61                                                         TreePath path = model.GetPath(iter);
  62                                                         PopulateRowChildren(iter);
  63                                                         ExpandRow(path, false);
  64                                                 }
  65                                 }
  66                         else if (evnt.Key == Gdk.Key.Left)
  67                                 {
  68                                         TreeIter iter; TreeModel model;
  69
  70                                         if (Selection.GetSelected (out model, out iter))
  71                                                 {
  72                                                         TreePath path = model.GetPath(iter);
  73                                                         CollapseRow(path);
  74                                                 }
  75                                 }
  76
  77                         return base.OnKeyPressEvent(evnt);
  78                 }
  79
  80                 protected virtual void PopulateRowChildren (TreeIter iter)
  81                 {
  82                 }
  83
  84                 protected Gtk.TreeIter SetRowValue(Gtk.TreeStore store, Gtk.TreeIter parent,
  85                                                                                                                                                          int childIndx, params object[] values)
  86                 {
  87                         Gtk.TreeIter child;
  88                         if (store.IterNthChild(out child, parent, childIndx))
  89                                 {
  90                                         for (int i=0; i < values.Length; i++)
  91                                                 {
  92                                                         if (null == values[i]) continue;
  93                                                         store.SetValue(child, i, values[i]);
  94                                                 }
  95                                 }
  96                         else
  97                                 child = store.AppendValues (parent, values);
  98
  99                         return child;
 100                 }
 101
 102                 [GLib.ConnectBefore]
 103                 void MyButtonPressedHandler (object o, ButtonPressEventArgs args)
 104                 {
 105                         if (args.Event.Button == 3)
 106                                 {
 107                                         int x = (int)args.Event.X;
 108                                         int y = (int)args.Event.Y;
 109
 110                                         TreePath path = null;
 111                                         GetPathAtPos(x, y, out path);
 112                                         ShowPopupMenu(path);
 113                                 }
 114                 }
 115
 116                 protected virtual void ShowPopupMenu(TreePath path)
 117                 {
 118                 }
 119         }
 120 }