[3437] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[17246] | 3 | * Copyright (C) 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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[4068] | 23 | using System.Reflection;
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[3437] | 24 | using System.Windows.Forms;
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| 25 | using HeuristicLab.Common;
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| 26 |
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| 27 | namespace HeuristicLab.MainForm.WindowsForms {
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| 28 | public partial class ContentView : View, IContentView {
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[3566] | 29 | public ContentView()
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| 30 | : base() {
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| 31 | InitializeComponent();
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| 32 | this.locked = false;
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| 33 | }
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| 34 |
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[3437] | 35 | private IContent content;
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| 36 | public IContent Content {
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| 37 | get { return content; }
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| 38 | set {
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[3915] | 39 | //check if the ContentView is tagged with a corresponding ContentAttribute for the type of the Content
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| 40 | if ((value != null) && (!MainFormManager.ViewCanViewContent(this, value)) &&
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| 41 | ContentAttribute.HasContentAttribute(this.GetType()))
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[3437] | 42 | throw new ArgumentException(string.Format("View \"{0}\" cannot view object \"{1}\".", this.GetType().Name, value.GetType().Name));
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| 43 | if (InvokeRequired) {
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| 44 | Invoke(new Action<IContent>(delegate(IContent o) { this.Content = o; }), value);
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| 45 | } else {
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| 46 | if (this.content != value) {
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[3727] | 47 | this.SuspendRepaint();
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[3437] | 48 | if (this.content != null) this.DeregisterContentEvents();
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| 49 | this.content = value;
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| 50 | if (this.content != null) this.RegisterContentEvents();
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| 51 | this.OnContentChanged();
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[3904] | 52 | this.SetEnabledStateOfControls();
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[3483] | 53 | this.OnChanged();
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[3727] | 54 | this.ResumeRepaint(true);
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[3437] | 55 | }
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| 56 | }
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| 57 | }
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| 58 | }
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| 59 |
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| 60 | private bool locked;
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| 61 | public virtual bool Locked {
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| 62 | get { return this.locked; }
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| 63 | set {
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| 64 | if (InvokeRequired) {
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| 65 | Action<bool> action = delegate(bool b) { this.Locked = b; };
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| 66 | Invoke(action, value);
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| 67 | } else {
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| 68 | if (value != locked) {
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| 69 | locked = value;
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[3788] | 70 | OnLockedChanged();
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[3437] | 71 | PropertyInfo prop = typeof(IContentView).GetProperty("Locked");
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| 72 | PropagateStateChanges(this, typeof(IContentView), prop);
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[4519] | 73 | SetEnabledStateOfControls();
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[3437] | 74 | OnChanged();
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| 75 | }
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| 76 | }
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| 77 | }
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| 78 | }
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| 79 | public event EventHandler LockedChanged;
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| 80 | protected virtual void OnLockedChanged() {
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| 81 | if (InvokeRequired)
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| 82 | Invoke((MethodInvoker)OnLockedChanged);
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| 83 | else {
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| 84 | EventHandler handler = LockedChanged;
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| 85 | if (handler != null)
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| 86 | handler(this, EventArgs.Empty);
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| 87 | }
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| 88 | }
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| 89 | /// <summary>
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| 90 | /// Adds eventhandlers to the current instance.
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| 91 | /// </summary>
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| 92 | protected virtual void RegisterContentEvents() {
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| 93 | }
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| 94 |
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| 95 | /// <summary>
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| 96 | /// Removes the eventhandlers from the current instance.
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| 97 | /// </summary>
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| 98 | protected virtual void DeregisterContentEvents() {
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| 99 | }
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| 100 |
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| 101 | /// <summary>
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| 102 | /// Is called when the content property changes.
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| 103 | /// </summary>
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| 104 | protected virtual void OnContentChanged() {
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| 105 | }
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[3904] | 106 |
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| 107 | /// <summary>
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| 108 | /// This method is called if the ReadyOnly, Locked or Content property of the ContentView changes to update the controls of the view.
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| 109 | /// </summary>
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| 110 | protected override void SetEnabledStateOfControls() {
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[4435] | 111 | base.SetEnabledStateOfControls();
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[3904] | 112 | }
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[5079] | 113 |
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| 114 | /// <summary>
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| 115 | /// Clean up any resources being used.
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| 116 | /// </summary>
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| 117 | /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
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| 118 | protected override void Dispose(bool disposing) {
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| 119 | if (disposing) {
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| 120 | if (Content != null) DeregisterContentEvents();
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| 121 | if (components != null) components.Dispose();
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| 122 | }
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| 123 | base.Dispose(disposing);
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| 124 | }
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[3437] | 125 | }
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| 126 | }
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