[2655] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[2790] | 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2655] | 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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[2818] | 24 | using System.Linq;
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[2655] | 25 | using System.Windows.Forms;
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| 26 | using HeuristicLab.MainForm;
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| 27 |
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[3281] | 28 | namespace HeuristicLab.MainForm.WindowsForms {
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[3389] | 29 | [Content(typeof(object))]
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| 30 | public sealed partial class ViewHost : ContentView {
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| 31 | private Dictionary<Type, IContentView> cachedViews;
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[3350] | 32 | public ViewHost() {
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| 33 | InitializeComponent();
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[3389] | 34 | cachedViews = new Dictionary<Type, IContentView>();
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[3350] | 35 | viewType = null;
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[3388] | 36 | Content = null;
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[3389] | 37 | viewContextMenuStrip.IgnoredViewTypes = new List<Type>() { typeof(ViewHost) };
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[3350] | 38 | }
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[3389] | 39 | public ViewHost(object content)
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[3350] | 40 | : this() {
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[3389] | 41 | this.Content = content;
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[3350] | 42 | }
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| 43 |
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[2800] | 44 | private Type viewType;
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| 45 | public Type ViewType {
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| 46 | get { return this.viewType; }
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| 47 | set {
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[2870] | 48 | if (viewType != value) {
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[3388] | 49 | if (value != null && !ViewCanShowContent(value, Content))
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[2870] | 50 | throw new ArgumentException(string.Format("View \"{0}\" cannot display content \"{1}\".",
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[3388] | 51 | value, Content.GetType()));
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[2870] | 52 | viewType = value;
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| 53 | UpdateView();
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| 54 | }
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[2800] | 55 | }
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| 56 | }
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| 57 |
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[3389] | 58 | public new object Content {
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| 59 | get { return base.Content; }
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[2655] | 60 | set {
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[3389] | 61 | if (value == null || this.Content == null || value.GetType() != this.Content.GetType())
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| 62 | cachedViews.Clear();
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| 63 | viewContextMenuStrip.Item = value;
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| 64 | this.viewsLabel.Enabled = value != null;
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| 65 | base.Content = value;
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[2655] | 66 | }
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| 67 | }
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| 68 |
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[3177] | 69 | public new bool Enabled {
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| 70 | get { return base.Enabled; }
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| 71 | set {
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| 72 | this.SuspendRepaint();
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| 73 | base.Enabled = value;
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[3388] | 74 | this.viewsLabel.Enabled = value;
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[3177] | 75 | this.ResumeRepaint(true);
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| 76 | }
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| 77 | }
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| 78 |
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[3388] | 79 | protected override void OnReadOnlyChanged() {
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| 80 | base.OnReadOnlyChanged();
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[3389] | 81 | foreach (IContentView view in cachedViews.Values)
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[3388] | 82 | view.ReadOnly = this.ReadOnly;
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[2655] | 83 | }
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| 84 |
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[3389] | 85 | protected override void OnContentChanged() {
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[3388] | 86 | messageLabel.Visible = false;
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[2687] | 87 | viewsLabel.Visible = false;
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[2870] | 88 | viewPanel.Visible = false;
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[2655] | 89 | if (viewPanel.Controls.Count > 0) viewPanel.Controls[0].Dispose();
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| 90 | viewPanel.Controls.Clear();
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| 91 |
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[2713] | 92 | if (Content != null) {
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[3361] | 93 | if (viewContextMenuStrip.Items.Count == 0)
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[2665] | 94 | messageLabel.Visible = true;
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[3361] | 95 | else
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[2687] | 96 | viewsLabel.Visible = true;
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[2655] | 97 |
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[2800] | 98 | if (!ViewCanShowContent(viewType, Content)) {
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[3389] | 99 | ViewType = MainFormManager.GetDefaultViewType(Content.GetType());
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[2838] | 100 | if ((viewType == null) && (viewContextMenuStrip.Items.Count > 0)) // create first available view if default view is not available
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[3389] | 101 | ViewType = (Type)viewContextMenuStrip.Items[0].Tag;
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[2797] | 102 | }
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[3389] | 103 | foreach (IContentView view in cachedViews.Values)
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| 104 | view.Content = this.Content;
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| 105 | } else {
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| 106 | if (viewPanel.Controls.Count > 0) viewPanel.Controls[0].Dispose();
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| 107 | viewPanel.Controls.Clear();
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| 108 | cachedViews.Clear();
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[2655] | 109 | }
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| 110 | }
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| 111 |
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[3388] | 112 |
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[2800] | 113 | private void UpdateView() {
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| 114 | viewPanel.Controls.Clear();
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| 115 |
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[3388] | 116 | if (viewType == null || Content == null)
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[2800] | 117 | return;
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| 118 |
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[3388] | 119 | if (!ViewCanShowContent(viewType, Content))
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[2870] | 120 | throw new InvalidOperationException(string.Format("View \"{0}\" cannot display content \"{1}\".",
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[3281] | 121 | viewType, Content.GetType()));
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[2800] | 122 |
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[2838] | 123 | UpdateActiveMenuItem();
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[3389] | 124 | IContentView view;
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[3388] | 125 | if (cachedViews.ContainsKey(ViewType))
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| 126 | view = cachedViews[ViewType];
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| 127 | else {
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| 128 | view = MainFormManager.CreateView(viewType, Content, ReadOnly);
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[3389] | 129 | cachedViews.Add(viewType, view);
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[3388] | 130 | }
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| 131 |
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| 132 | Control control = (Control)view;
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| 133 | control.Dock = DockStyle.Fill;
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| 134 | viewPanel.Controls.Add(control);
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[2800] | 135 | viewPanel.Visible = true;
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| 136 | }
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| 137 |
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[2838] | 138 | private void UpdateActiveMenuItem() {
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| 139 | foreach (KeyValuePair<Type, ToolStripMenuItem> item in viewContextMenuStrip.MenuItems) {
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| 140 | if (item.Key == viewType) {
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| 141 | item.Value.Checked = true;
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| 142 | item.Value.Enabled = false;
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| 143 | } else {
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| 144 | item.Value.Checked = false;
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| 145 | item.Value.Enabled = true;
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| 146 | }
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| 147 | }
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| 148 | }
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| 149 |
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[2800] | 150 | private bool ViewCanShowContent(Type viewType, object content) {
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[2797] | 151 | if (content == null) // every view can display null
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| 152 | return true;
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| 153 | if (viewType == null)
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| 154 | return false;
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[2838] | 155 | return ContentAttribute.CanViewType(viewType, Content.GetType()) && viewContextMenuStrip.MenuItems.Any(item => item.Key == viewType);
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[2797] | 156 | }
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| 157 |
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[2694] | 158 | private void viewsLabel_DoubleClick(object sender, EventArgs e) {
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[3361] | 159 | MainFormManager.CreateView(viewType, Content, ReadOnly).Show();
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[2694] | 160 | }
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[2838] | 161 |
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| 162 | private void viewContextMenuStrip_ItemClicked(object sender, ToolStripItemClickedEventArgs e) {
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[2687] | 163 | Type viewType = (Type)e.ClickedItem.Tag;
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[2797] | 164 | ViewType = viewType;
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[2655] | 165 | }
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| 166 | }
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| 167 | }
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