1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.ComponentModel;
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25 | using System.Drawing;
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26 | using System.Data;
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27 | using System.Text;
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28 | using System.Windows.Forms;
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29 | using HeuristicLab.MainForm;
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30 |
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31 | namespace HeuristicLab.Core.Views {
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32 | /// <summary>
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33 | /// The visual representation of a <see cref="Variable"/>.
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34 | /// </summary>
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35 | [Content(typeof(NamedItem), true)]
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36 | public partial class NamedItemView : ItemView {
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37 | public new NamedItem Content {
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38 | get { return (NamedItem)base.Content; }
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39 | set { base.Content = value; }
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40 | }
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41 |
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42 | public NamedItemView() {
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43 | InitializeComponent();
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44 | Caption = "NamedItem";
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45 | errorProvider.SetIconAlignment(nameTextBox, ErrorIconAlignment.MiddleLeft);
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46 | errorProvider.SetIconPadding(nameTextBox, 2);
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47 | }
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48 | public NamedItemView(NamedItem namedItem)
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49 | : this() {
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50 | Content = namedItem;
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51 | }
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52 |
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53 | protected override void DeregisterContentEvents() {
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54 | Content.NameChanged -= new EventHandler(Content_NameChanged);
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55 | Content.DescriptionChanged -= new EventHandler(Content_DescriptionChanged);
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56 | base.DeregisterContentEvents();
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57 | }
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58 | protected override void RegisterContentEvents() {
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59 | base.RegisterContentEvents();
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60 | Content.NameChanged += new EventHandler(Content_NameChanged);
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61 | Content.DescriptionChanged += new EventHandler(Content_DescriptionChanged);
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62 | }
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63 |
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64 | protected override void OnContentChanged() {
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65 | base.OnContentChanged();
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66 | if (Content == null) {
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67 | Caption = "NamedItem";
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68 | nameTextBox.Text = "-";
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69 | nameTextBox.ReadOnly = false;
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70 | nameTextBox.Enabled = false;
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71 | descriptionTextBox.Text = "";
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72 | nameTextBox.ReadOnly = false;
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73 | descriptionTextBox.Enabled = false;
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74 | } else {
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75 | Caption = Content.Name + " (" + Content.GetType().Name + ")";
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76 | nameTextBox.Text = Content.Name;
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77 | nameTextBox.ReadOnly = !Content.CanChangeName;
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78 | nameTextBox.Enabled = true;
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79 | descriptionTextBox.Text = Content.Description;
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80 | descriptionTextBox.ReadOnly = !Content.CanChangeDescription;
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81 | descriptionTextBox.Enabled = true;
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82 | }
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83 | }
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84 |
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85 | protected virtual void Content_NameChanged(object sender, EventArgs e) {
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86 | if (InvokeRequired)
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87 | Invoke(new EventHandler(Content_NameChanged), sender, e);
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88 | else
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89 | nameTextBox.Text = Content.Name;
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90 | }
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91 | protected virtual void Content_DescriptionChanged(object sender, EventArgs e) {
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92 | if (InvokeRequired)
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93 | Invoke(new EventHandler(Content_DescriptionChanged), sender, e);
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94 | else
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95 | descriptionTextBox.Text = Content.Description;
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96 | }
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97 |
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98 | protected virtual void nameTextBox_Validating(object sender, CancelEventArgs e) {
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99 | if (Content.CanChangeName) {
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100 | Content.Name = nameTextBox.Text;
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101 |
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102 | // check if variable name was set successfully
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103 | if (!Content.Name.Equals(nameTextBox.Text)) {
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104 | e.Cancel = true;
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105 | errorProvider.SetError(nameTextBox, "Invalid Name");
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106 | nameTextBox.SelectAll();
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107 | }
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108 | }
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109 | }
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110 | protected virtual void nameTextBox_Validated(object sender, EventArgs e) {
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111 | errorProvider.SetError(nameTextBox, string.Empty);
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112 | }
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113 | protected virtual void nameTextBox_KeyDown(object sender, KeyEventArgs e) {
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114 | if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
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115 | nameLabel.Focus(); // set focus on label to validate data
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116 | if (e.KeyCode == Keys.Escape) {
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117 | nameTextBox.Text = Content.Name;
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118 | nameLabel.Focus(); // set focus on label to validate data
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119 | }
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120 | }
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121 | protected virtual void descriptionTextBox_Validated(object sender, EventArgs e) {
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122 | if (Content.CanChangeDescription)
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123 | Content.Description = descriptionTextBox.Text;
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124 | }
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125 | }
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126 | }
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