[3437] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11185] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3437] | 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.Linq;
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[4068] | 24 | using System.Reflection;
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[3437] | 25 | using System.Windows.Forms;
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| 26 |
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| 27 | namespace HeuristicLab.MainForm.WindowsForms {
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| 28 | public partial class View : UserControl, IView {
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| 29 | private bool initialized;
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| 30 | public View() {
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| 31 | InitializeComponent();
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| 32 | this.initialized = false;
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| 33 | this.isShown = false;
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| 34 | this.closeReason = CloseReason.None;
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| 35 | this.readOnly = false;
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[3764] | 36 | if (ViewAttribute.HasViewAttribute(this.GetType()))
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| 37 | this.Caption = ViewAttribute.GetViewName(this.GetType());
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| 38 | else
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| 39 | this.Caption = "View";
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[3437] | 40 | }
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| 41 |
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| 42 | private string caption;
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| 43 | public string Caption {
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| 44 | get { return caption; }
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| 45 | set {
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| 46 | if (InvokeRequired) {
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| 47 | Action<string> action = delegate(string s) { this.Caption = s; };
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| 48 | Invoke(action, value);
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| 49 | } else {
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| 50 | if (value != caption) {
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| 51 | caption = value;
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| 52 | OnCaptionChanged();
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| 53 | }
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| 54 | }
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | private bool readOnly;
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| 59 | public virtual bool ReadOnly {
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| 60 | get { return this.readOnly; }
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| 61 | set {
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| 62 | if (InvokeRequired) {
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| 63 | Action<bool> action = delegate(bool b) { this.ReadOnly = b; };
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| 64 | Invoke(action, value);
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| 65 | } else {
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| 66 | if (value != readOnly) {
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[3904] | 67 | this.readOnly = value;
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[4435] | 68 | OnReadOnlyChanged();
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[3437] | 69 | PropertyInfo prop = typeof(IView).GetProperty("ReadOnly");
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| 70 | PropagateStateChanges(this, typeof(IView), prop);
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[4519] | 71 | SetEnabledStateOfControls();
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[4435] | 72 | OnChanged();
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[3437] | 73 | }
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| 74 | }
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| 75 | }
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| 76 | }
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[4435] | 77 |
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[4449] | 78 | public new bool Enabled {
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[4435] | 79 | get { return base.Enabled; }
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| 80 | set {
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| 81 | if (base.Enabled != value) {
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| 82 | this.SuspendRepaint();
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| 83 | base.Enabled = value;
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[4449] | 84 | this.ResumeRepaint(true);
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[4532] | 85 | OnChanged();
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[4435] | 86 | }
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| 87 | }
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| 88 | }
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| 89 |
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[4449] | 90 | bool IView.Enabled {
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| 91 | get { return Enabled; }
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| 92 | set { Enabled = value; }
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| 93 | }
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| 94 |
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[4435] | 95 | protected override void OnEnabledChanged(EventArgs e) {
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| 96 | base.OnEnabledChanged(e);
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| 97 | if (Enabled) SetEnabledStateOfControls();
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| 98 | }
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| 99 |
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[3904] | 100 | /// <summary>
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| 101 | /// This method is called if the ReadyOnly property of the View changes to update the controls of the view.
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| 102 | /// </summary>
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| 103 | protected virtual void SetEnabledStateOfControls() {
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| 104 | }
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[3437] | 105 |
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| 106 | private bool isShown;
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| 107 | public bool IsShown {
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| 108 | get { return this.isShown; }
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| 109 | private set { this.isShown = value; }
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| 110 | }
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| 111 |
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| 112 | public new void Show() {
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| 113 | MainForm mainform = MainFormManager.GetMainForm<MainForm>();
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| 114 | bool firstTimeShown = mainform.GetForm(this) == null;
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| 115 |
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| 116 | this.IsShown = true;
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| 117 | mainform.ShowView(this);
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| 118 | if (firstTimeShown) {
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| 119 | Form form = mainform.GetForm(this);
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| 120 | form.FormClosed += new FormClosedEventHandler(OnClosedHelper);
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| 121 | form.FormClosing += new FormClosingEventHandler(OnClosingHelper);
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| 122 | }
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| 123 | this.OnShown(new ViewShownEventArgs(this, firstTimeShown));
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| 124 | }
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| 125 |
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| 126 | public void Close() {
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| 127 | MainForm mainform = MainFormManager.GetMainForm<MainForm>();
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| 128 | Form form = mainform.GetForm(this);
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| 129 | if (form != null) {
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| 130 | this.IsShown = false;
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| 131 | mainform.CloseView(this);
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | public void Close(CloseReason closeReason) {
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| 136 | MainForm mainform = MainFormManager.GetMainForm<MainForm>();
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| 137 | Form form = mainform.GetForm(this);
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| 138 | if (form != null) {
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| 139 | this.IsShown = false;
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| 140 | mainform.CloseView(this, closeReason);
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | public new void Hide() {
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| 145 | this.IsShown = false;
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| 146 | MainFormManager.GetMainForm<MainForm>().HideView(this);
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| 147 | this.OnHidden(EventArgs.Empty);
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| 148 | }
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| 149 |
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| 150 | public event EventHandler CaptionChanged;
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| 151 | protected virtual void OnCaptionChanged() {
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| 152 | if (InvokeRequired)
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| 153 | Invoke((MethodInvoker)OnCaptionChanged);
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| 154 | else {
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| 155 | EventHandler handler = CaptionChanged;
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| 156 | if (handler != null)
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| 157 | handler(this, EventArgs.Empty);
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| 158 | }
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| 159 | }
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| 160 | public event EventHandler ReadOnlyChanged;
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| 161 | protected virtual void OnReadOnlyChanged() {
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| 162 | if (InvokeRequired)
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| 163 | Invoke((MethodInvoker)OnReadOnlyChanged);
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| 164 | else {
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| 165 | EventHandler handler = ReadOnlyChanged;
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| 166 | if (handler != null)
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| 167 | handler(this, EventArgs.Empty);
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| 168 | }
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| 169 | }
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[4083] | 170 | protected virtual void PropagateStateChanges(Control control, Type type, PropertyInfo propertyInfo) {
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[3437] | 171 | if (!type.GetProperties().Contains(propertyInfo))
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| 172 | throw new ArgumentException("The specified type " + type + "implement the property " + propertyInfo.Name + ".");
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| 173 | if (!type.IsAssignableFrom(this.GetType()))
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| 174 | throw new ArgumentException("The specified type " + type + "must be the same or a base class / interface of this object.");
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| 175 | if (!propertyInfo.CanWrite)
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| 176 | throw new ArgumentException("The specified property " + propertyInfo.Name + " must have a setter.");
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| 177 |
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| 178 | foreach (Control c in control.Controls) {
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| 179 | Type controlType = c.GetType();
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| 180 | PropertyInfo controlPropertyInfo = controlType.GetProperty(propertyInfo.Name, propertyInfo.PropertyType);
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| 181 | if (type.IsAssignableFrom(controlType) && controlPropertyInfo != null) {
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| 182 | var thisValue = propertyInfo.GetValue(this, null);
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| 183 | controlPropertyInfo.SetValue(c, thisValue, null);
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[4435] | 184 | } else PropagateStateChanges(c, type, propertyInfo);
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[3437] | 185 | }
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| 186 | }
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| 187 | public event EventHandler Changed;
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| 188 | protected virtual void OnChanged() {
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| 189 | if (InvokeRequired)
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| 190 | Invoke((MethodInvoker)OnChanged);
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| 191 | else {
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| 192 | EventHandler handler = Changed;
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| 193 | if (handler != null)
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| 194 | handler(this, EventArgs.Empty);
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| 195 | }
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| 196 | }
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| 197 |
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| 198 | internal protected virtual void OnShown(ViewShownEventArgs e) {
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| 199 | }
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| 200 |
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| 201 | internal protected virtual void OnHidden(EventArgs e) {
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| 202 | }
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| 203 |
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| 204 | private CloseReason closeReason;
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| 205 | internal CloseReason CloseReason {
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| 206 | get { return this.closeReason; }
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| 207 | set { this.closeReason = value; }
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| 208 | }
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| 209 |
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| 210 | internal void OnClosingHelper(object sender, FormClosingEventArgs e) {
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| 211 | FormClosingEventArgs eventArgs = new FormClosingEventArgs(this.closeReason, e.Cancel);
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| 212 | if (this.closeReason != CloseReason.None) {
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| 213 | this.OnClosing(eventArgs);
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| 214 | if (eventArgs.Cancel != e.Cancel)
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| 215 | e.Cancel = eventArgs.Cancel;
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| 216 | } else
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| 217 | this.OnClosing(e);
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| 218 | this.closeReason = CloseReason.None;
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| 219 | }
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| 220 |
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| 221 | internal protected virtual void OnClosing(FormClosingEventArgs e) {
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| 222 | }
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| 223 |
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| 224 | internal void OnClosedHelper(object sender, FormClosedEventArgs e) {
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| 225 | if (this.closeReason != CloseReason.None)
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| 226 | this.OnClosed(new FormClosedEventArgs(this.closeReason));
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| 227 | else
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| 228 | this.OnClosed(e);
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| 229 |
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| 230 | Form form = (Form)sender;
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| 231 | form.FormClosed -= new FormClosedEventHandler(OnClosedHelper);
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| 232 | form.FormClosing -= new FormClosingEventHandler(OnClosingHelper);
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| 233 | this.closeReason = CloseReason.None;
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| 234 | }
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| 235 |
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| 236 | internal protected virtual void OnClosed(FormClosedEventArgs e) {
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| 237 | }
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| 238 |
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| 239 | private void View_Load(object sender, EventArgs e) {
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| 240 | if (!this.initialized && !this.DesignMode) {
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| 241 | this.OnInitialized(e);
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| 242 | this.initialized = true;
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| 243 | }
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| 244 | }
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| 245 |
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| 246 | protected virtual void OnInitialized(EventArgs e) {
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[4436] | 247 | SetEnabledStateOfControls();
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[3437] | 248 | }
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| 249 |
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| 250 |
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| 251 | public void SuspendRepaint() {
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| 252 | if (InvokeRequired)
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| 253 | Invoke((MethodInvoker)SuspendRepaint);
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| 254 | else
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| 255 | ((Control)this).SuspendRepaint();
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| 256 | }
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| 257 | public void ResumeRepaint(bool refresh) {
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| 258 | if (InvokeRequired)
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| 259 | Invoke((Action<bool>)ResumeRepaint, refresh);
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| 260 | else
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| 261 | ((Control)this).ResumeRepaint(refresh);
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| 262 | }
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| 263 | }
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| 264 | }
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