extras/MonoDevelop.Database/MonoDevelop.Database.Components/Widgets/SelectColumnWidget.cs

   1 //
   2 // Authors:
   3 //   Ben Motmans  <ben.motmans@gmail.com>
   4 //
   5 // Copyright (c) 2007 Ben Motmans
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining a copy
   8 // of this software and associated documentation files (the "Software"), to deal
   9 // in the Software without restriction, including without limitation the rights
  10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 // copies of the Software, and to permit persons to whom the Software is
  12 // furnished to do so, subject to the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be included in
  15 // all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 // THE SOFTWARE.
  24 //
  25
  26 using Gtk;
  27 using System;
  28 using System.Collections.Generic;
  29 using MonoDevelop.Core;
  30 using MonoDevelop.Database.Sql;
  31
  32 namespace MonoDevelop.Database.Components
  33 {
  34         [System.ComponentModel.Category("widget")]
  35         [System.ComponentModel.ToolboxItem(true)]
  36         public class SelectColumnWidget : ScrolledWindow
  37         {
  38                 public event EventHandler ColumnToggled;
  39
  40                 protected TreeView list;
  41                 protected SortedColumnListStore store;
  42
  43                 private ColumnSchemaCollection columns;
  44
  45                 public SelectColumnWidget ()
  46                         : this (true)
  47                 {
  48                 }
  49
  50                 public SelectColumnWidget (bool showCheckBoxes)
  51                 {
  52                         list = new TreeView ();
  53                         list.HeadersVisible = true;
  54
  55                         InitializeColumns (showCheckBoxes);
  56
  57                         this.Add (list);
  58                 }
  59
  60                 public bool SingleCheck {
  61                         get { return store.SingleCheck; }
  62                         set {
  63                                 if (store == null)
  64                                         return; //when init isn't called yet
  65                                 store.SingleCheck = value;
  66                         }
  67                 }
  68
  69                 protected virtual void InitializeColumns (bool showCheckBoxes)
  70                 {
  71                         TreeViewColumn col = new TreeViewColumn ();
  72                         col.Title = AddinCatalog.GetString ("Column");
  73
  74                         if (showCheckBoxes) {
  75                                 CellRendererToggle toggleRenderer = new CellRendererToggle ();
  76                                 toggleRenderer.Activatable = true;
  77                                 toggleRenderer.Toggled += new ToggledHandler (ItemToggled);
  78                                 col.PackStart (toggleRenderer, false);
  79                                 col.AddAttribute (toggleRenderer, "active", SortedColumnListStore.ColSelectIndex);
  80                         }
  81
  82                         CellRendererText textRenderer = new CellRendererText ();
  83                         col.PackStart (textRenderer, true);
  84                         col.AddAttribute (textRenderer, "text", SortedColumnListStore.ColNameIndex);
  85
  86                         list.AppendColumn (col);
  87                 }
  88
  89                 public void Initialize (ColumnSchemaCollection columns)
  90                 {
  91                         this.columns = columns;
  92
  93                         store = new SortedColumnListStore (columns);
  94                         store.ColumnToggled += delegate (object sender, EventArgs args) {
  95                                 if (ColumnToggled != null)
  96                                         ColumnToggled (this, args);
  97                         };
  98                         list.Model = store.Store;
  99                 }
 100
 101                 public ColumnSchema SelectedColumn {
 102                         get {
 103                                 TreeIter iter;
 104                                 if (list.Selection.GetSelected (out iter))
 105                                         return store.GetColumnSchema (iter);
 106                                 return null;
 107                         }
 108                 }
 109
 110                 public IEnumerable<ColumnSchema> CheckedColumns {
 111                         get { return store.CheckedColumns; }
 112                 }
 113
 114                 public bool IsColumnChecked {
 115                         get { return store.IsColumnChecked; }
 116                 }
 117
 118                 public void SelectAll ()
 119                 {
 120                         store.SelectAll ();
 121                 }
 122
 123                 public void DeselectAll ()
 124                 {
 125                         store.DeselectAll ();
 126                 }
 127
 128                 public void Select (string name)
 129                 {
 130                         store.Select (name);
 131                 }
 132
 133                 public void Select (ColumnSchema column)
 134                 {
 135                         store.Select (column);
 136                 }
 137
 138                 private void ItemToggled (object sender, ToggledArgs args)
 139                 {
 140                         TreeIter iter;
 141                         if (store.Store.GetIterFromString (out iter, args.Path))
 142                                 store.ToggleSelect (iter);
 143                 }
 144         }
 145 }