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1 // This file (ComboBoxUtils.cs) is a part of the IBBoard.GtkSharp project and is copyright 2010 IBBoard
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2 //
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3 // The file and the library/program it is in are licensed and distributed, without warranty, under the GNU LGPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
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4
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5 using System;
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6 using System.Collections.Generic;
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7 using Gtk;
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8
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9 namespace IBBoard.GtkSharp
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10 {
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11 public delegate string ObjectToStringRenderingMethod<OBJECT_TYPE>(OBJECT_TYPE obj);
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12
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13 public class ComboBoxUtils
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14 {
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15 public static void FillCombo<LIST_TYPE>(ComboBox combo, IList<LIST_TYPE> itemList)
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16 {
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17 FillCombo(combo, itemList, delegate(LIST_TYPE obj){return obj.ToString();});
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18 }
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19
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20 public static void FillCombo<LIST_TYPE>(ComboBox combo, IList<LIST_TYPE> itemList, ObjectToStringRenderingMethod<LIST_TYPE> toStringMethod)
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21 {
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22 combo.Clear();
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23 CellRendererText cell = new CellRendererText();
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24 combo.PackStart(cell, false);
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25 combo.AddAttribute(cell, "text", 1);
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26 ListStore store = new ListStore(typeof(LIST_TYPE), typeof(string));
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27 combo.Model = store;
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28
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29 foreach (LIST_TYPE item in itemList)
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30 {
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31 store.AppendValues(item, toStringMethod(item));
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32 }
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33 }
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34
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35 public static void SelectItem(ComboBox combo, object item)
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36 {
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37 TreeModel model = combo.Model;
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38 TreeIter iter;
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39 model.GetIterFirst(out iter);
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40
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41 do
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42 {
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43 GLib.Value rowItem = new GLib.Value();
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44 combo.Model.GetValue (iter, 0, ref rowItem);
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45
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46 if (item.Equals(rowItem))
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47 {
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48 combo.SetActiveIter(iter);
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49 break;
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50 }
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51 }
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52 while (combo.Model.IterNext(ref iter));
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53 }
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54
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55 public static void SelectIndex(ComboBox combo, int idx)
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56 {
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57 Gtk.TreeIter iter;
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58 combo.Model.IterNthChild(out iter, idx);
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59 combo.SetActiveIter(iter);
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60 }
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61 }
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62 }
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