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source: branches/Breadcrumbs/HeuristicLab.Operators.Views.GraphVisualization.Views/3.3/OperatorGraphView.cs @ 10103

Last change on this file since 10103 was 10103, checked in by jkarder, 11 years ago

#2116:

  • fixed issues within the outermost control detection
  • fixed visible property assignment of the breadcrumb control in ViewHost
File size: 14.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Drawing;
24using System.Linq;
25using System.Windows.Forms;
26using HeuristicLab.Core;
27using HeuristicLab.MainForm;
28using HeuristicLab.MainForm.WindowsForms;
29using HeuristicLab.Netron.CustomTools;
30using Netron.Diagramming.Core;
31
32namespace HeuristicLab.Operators.Views.GraphVisualization.Views {
33  [View("OperatorGraph View (Chart)")]
34  [Content(typeof(OperatorGraph), true)]
35  public partial class OperatorGraphView : AsynchronousContentView {
36    private ITool lastActiveTool;
37
38    public OperatorGraphView() {
39      InitializeComponent();
40
41      this.graphVisualizationInfoView.Controller.OnShowContextMenu += new EventHandler<EntityMenuEventArgs>(Controller_OnShowContextMenu);
42      this.graphVisualizationInfoView.Controller.Model.Selection.OnNewSelection += new EventHandler(Controller_SelectionChanged);
43      this.graphVisualizationInfoView.Controller.OnMouseDown += new EventHandler<MouseEventArgs>(Controller_OnMouseDown);
44      this.graphVisualizationInfoView.Controller.ParentControl.MouseDown += new MouseEventHandler(ParentControl_MouseDown);
45      this.graphVisualizationInfoView.Controller.ParentControl.MouseUp += new MouseEventHandler(ParentControl_MouseUp);
46      foreach (ITool tool in this.graphVisualizationInfoView.Controller.Tools) {
47        tool.OnToolActivate += new EventHandler<ToolEventArgs>(tool_OnToolActivate);
48        tool.OnToolDeactivate += new EventHandler<ToolEventArgs>(tool_OnToolDeactivate);
49      }
50    }
51
52    public new OperatorGraph Content {
53      get { return (OperatorGraph)base.Content; }
54      set { base.Content = value; }
55    }
56
57    protected override void OnContentChanged() {
58      if (Content != null) {
59        bool createdVisualizationInfo = false;
60        if (this.VisualizationInfo == null) {
61          this.VisualizationInfo = new OperatorGraphVisualizationInfo(this.Content);
62          createdVisualizationInfo = true;
63        }
64        this.graphVisualizationInfoView.Content = this.VisualizationInfo;
65        if (createdVisualizationInfo)
66          this.graphVisualizationInfoView.RelayoutGraph();
67      } else {
68        this.graphVisualizationInfoView.Content = null;
69      }
70    }
71
72    protected override void SetEnabledStateOfControls() {
73      base.SetEnabledStateOfControls();
74      if (Content == null) {
75        selectButton.Enabled = false;
76        relayoutButton.Enabled = false;
77        zoomToFitButton.Enabled = false;
78        zoomInButton.Enabled = false;
79        zoomOutButton.Enabled = false;
80        screenshotButton.Enabled = false;
81        detailsViewHost.Enabled = false;
82        connectButton.Enabled = false;
83      } else {
84        selectButton.Enabled = true;
85        relayoutButton.Enabled = true;
86        zoomToFitButton.Enabled = true;
87        zoomInButton.Enabled = true;
88        zoomOutButton.Enabled = true;
89        screenshotButton.Enabled = true;
90        detailsViewHost.Enabled = true;
91        connectButton.Enabled = !ReadOnly;
92      }
93    }
94
95    private OperatorGraphVisualizationInfo VisualizationInfo {
96      get { return Content.VisualizationInfo as OperatorGraphVisualizationInfo; }
97      set { this.Content.VisualizationInfo = value; }
98    }
99
100    private void Controller_SelectionChanged(object sender, EventArgs e) {
101      this.detailsViewHost.ViewType = null;
102      this.detailsViewHost.Content = null;
103
104      CollectionBase<IDiagramEntity> selectedObjects = this.graphVisualizationInfoView.Controller.Model.Selection.SelectedItems;
105      if (selectedObjects.Count == 1) {
106        IShape shape = selectedObjects[0] as IShape;
107        if (shape != null) {
108          IOperatorShapeInfo shapeInfo = shape.Tag as IOperatorShapeInfo;
109          IOperator op = this.VisualizationInfo.GetOperatorForShapeInfo(shapeInfo);
110          this.detailsViewHost.Content = op;
111        }
112      }
113
114      IConnector connector = this.graphVisualizationInfoView.Controller.Model.Selection.Connector;
115      if (connector != null) {
116        IShape shape = connector.Parent as IShape;
117        string connectorName = connector.Name;
118        if (shape == null) {
119          shape = connector.AttachedTo.Parent as IShape; //connection connector selected
120          connectorName = connector.AttachedTo.Name;
121        }
122        if (shape != null) {
123          IOperatorShapeInfo shapeInfo = shape.Tag as IOperatorShapeInfo;
124          IOperator op = this.VisualizationInfo.GetOperatorForShapeInfo(shapeInfo);
125          if (connectorName != "Predecessor") {
126            IParameter parameter = op.Parameters.Where(p => p.Name == connectorName).First();
127            this.detailsViewHost.ViewType = null;
128            this.detailsViewHost.Content = parameter;
129          }
130        }
131      }
132
133    }
134
135    private void Controller_OnMouseDown(object sender, MouseEventArgs e) {
136      if (e.Clicks >= 2) {
137        IShape shape = this.graphVisualizationInfoView.Controller.Model.GetShapeAt(e.Location);
138        if (shape != null) {
139          IOperatorShapeInfo shapeInfo = shape.Tag as IOperatorShapeInfo;
140          if (shapeInfo != null) {
141            IOperator op = this.VisualizationInfo.GetOperatorForShapeInfo(shapeInfo);
142            var mainForm = MainFormManager.GetMainForm<MainForm.WindowsForms.MainForm>();
143            var outermostViewHost = mainForm.ShowContentInOutermostViewHost(op, this);
144            if (outermostViewHost != null) {
145              outermostViewHost.ActiveView.ReadOnly = ReadOnly;
146              outermostViewHost.ActiveView.Locked = Locked;
147            }
148            HandledMouseEventArgs eventArgs = e as HandledMouseEventArgs;
149            if (eventArgs != null)
150              eventArgs.Handled = true;
151          }
152        }
153      }
154    }
155
156    void ParentControl_MouseDown(object sender, MouseEventArgs e) {
157      if (e.Button == MouseButtons.Middle) {
158        lastActiveTool = graphVisualizationInfoView.Controller.ActiveTool;
159        graphVisualizationInfoView.Controller.ActivateTool(CustomPanTool.ToolName);
160      }
161    }
162
163    void ParentControl_MouseUp(object sender, MouseEventArgs e) {
164      if (e.Button == MouseButtons.Middle) {
165        var activeTool = graphVisualizationInfoView.Controller.ActiveTool;
166        graphVisualizationInfoView.Controller.DeactivateTool(activeTool);
167        if (lastActiveTool != null && !(lastActiveTool is ZoomToolBase))
168          graphVisualizationInfoView.Controller.ActivateTool(lastActiveTool.Name);
169      }
170    }
171
172    #region context menu
173    private void Controller_OnShowContextMenu(object sender, EntityMenuEventArgs e) {
174      IShape shape = this.graphVisualizationInfoView.Controller.Model.GetShapeAt(e.MouseEventArgs.Location);
175      if (shape != null) {
176        IShapeInfo shapeInfo = shape.Tag as IShapeInfo;
177        this.shapeContextMenu.Tag = shapeInfo;
178        PointF worldPoint = this.graphVisualizationInfoView.Controller.View.WorldToView(e.MouseEventArgs.Location);
179        this.shapeContextMenu.Show(this, Point.Round(worldPoint));
180      }
181    }
182
183    private void shapeContextMenu_Opening(object sender, System.ComponentModel.CancelEventArgs e) {
184      IOperatorShapeInfo shapeInfo = this.shapeContextMenu.Tag as IOperatorShapeInfo;
185      if (shapeInfo != null) {
186        IOperator op = this.VisualizationInfo.GetOperatorForShapeInfo(shapeInfo);
187        this.initialToolStripMenuItem.Checked = this.Content.InitialOperator == op;
188        this.initialToolStripMenuItem.Enabled = !ReadOnly && !Locked;
189        this.breakPointToolStripMenuItem.Checked = op.Breakpoint;
190        this.breakPointToolStripMenuItem.Enabled = !Locked;
191      }
192    }
193
194    private void openViewToolStripMenuItem_Click(object sender, EventArgs e) {
195      IOperatorShapeInfo shapeInfo = this.shapeContextMenu.Tag as IOperatorShapeInfo;
196      if (shapeInfo != null) {
197        IOperator op = this.VisualizationInfo.GetOperatorForShapeInfo(shapeInfo);
198        var mainForm = MainFormManager.GetMainForm<MainForm.WindowsForms.MainForm>();
199        var outermostViewHost = mainForm.ShowContentInOutermostViewHost(op, this);
200        if (outermostViewHost != null) {
201          outermostViewHost.ActiveView.ReadOnly = ReadOnly;
202          outermostViewHost.ActiveView.Locked = Locked;
203        }
204      }
205    }
206
207    private void initialOperatorToolStripMenuItem_Click(object sender, EventArgs e) {
208      IOperatorShapeInfo shapeInfo = this.shapeContextMenu.Tag as IOperatorShapeInfo;
209      if (this.VisualizationInfo.InitialShape == shapeInfo)
210        this.VisualizationInfo.InitialShape = null;
211      else
212        this.VisualizationInfo.InitialShape = shapeInfo;
213    }
214
215    private void breakPointToolStripMenuItem_Click(object sender, EventArgs e) {
216      IOperatorShapeInfo shapeInfo = this.shapeContextMenu.Tag as IOperatorShapeInfo;
217      if (shapeInfo != null) {
218        IOperator op = this.VisualizationInfo.GetOperatorForShapeInfo(shapeInfo);
219        op.Breakpoint = !op.Breakpoint;
220      }
221    }
222    #endregion
223
224    #region drag and drop
225    private void OperatorGraphView_DragEnterOver(object sender, DragEventArgs e) {
226      e.Effect = DragDropEffects.None;
227      if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IOperator)) {
228        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
229        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
230        else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
231        else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
232        else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
233      }
234    }
235
236    private void OperatorGraphView_DragDrop(object sender, DragEventArgs e) {
237      if (e.Effect != DragDropEffects.None) {
238        IOperator op = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IOperator;
239        if (e.Effect.HasFlag(DragDropEffects.Copy)) op = (IOperator)op.Clone();
240        IOperatorShapeInfo shapeInfo = OperatorShapeInfoFactory.CreateOperatorShapeInfo(op);
241        Point mouse = new Point(MousePosition.X, MousePosition.Y);
242        Point screen = this.graphVisualizationInfoView.PointToScreen(new Point(0, 0));
243        Point control = new Point(mouse.X - screen.X, mouse.Y - screen.Y);
244        PointF worldPoint = this.graphVisualizationInfoView.Controller.View.ViewToWorld(control);
245
246        if (worldPoint.X < 0)
247          worldPoint.X = 0;
248        if (worldPoint.Y < 0)
249          worldPoint.Y = 0;
250
251        shapeInfo.Location = Point.Round(worldPoint);
252        this.VisualizationInfo.AddShapeInfo(op, shapeInfo);
253      }
254    }
255    #endregion
256
257    private void tool_OnToolActivate(object sender, ToolEventArgs e) {
258      Button button = GetButtonForTool(e.Properties.Name);
259      if (button != null)
260        button.Enabled = false;
261    }
262
263    private void tool_OnToolDeactivate(object sender, ToolEventArgs e) {
264      Button button = GetButtonForTool(e.Properties.Name);
265      if (button != null)
266        button.Enabled = true;
267    }
268
269    private Button GetButtonForTool(string toolName) {
270      Button button = null;
271      switch (toolName) {
272        case ControllerBase.SelectionToolName:
273          button = this.selectButton;
274          break;
275        case ControllerBase.ConnectionToolName:
276          button = this.connectButton;
277          break;
278        case ControllerBase.ZoomAreaToolName:
279          button = this.zoomToFitButton;
280          break;
281      }
282      return button;
283    }
284
285    private void selectButton_Click(object sender, EventArgs e) {
286      ITool tool = this.graphVisualizationInfoView.Controller.Tools.Where(t => t.Name == ControllerBase.SelectionToolName).First();
287      this.graphVisualizationInfoView.Controller.DeactivateAllTools();
288    }
289
290    private void connectButton_Click(object sender, EventArgs e) {
291      this.graphVisualizationInfoView.Controller.ActivateTool(ControllerBase.ConnectionToolName);
292    }
293
294    private void relayoutButton_Click(object sender, EventArgs e) {
295      this.graphVisualizationInfoView.RelayoutGraph();
296    }
297
298    private void zoomAreaButton_Click(object sender, EventArgs e) {
299      this.graphVisualizationInfoView.Controller.View.ZoomFit();
300    }
301
302    private void zoomInButton_Click(object sender, EventArgs e) {
303      this.graphVisualizationInfoView.Controller.ActivateTool(ControllerBase.ZoomInToolName);
304    }
305
306    private void zoomOutButton_Click(object sender, EventArgs e) {
307      this.graphVisualizationInfoView.Controller.ActivateTool(ControllerBase.ZoomOutToolName);
308    }
309
310    private void screenshotButton_Click(object sender, EventArgs e) {
311      Bitmap bitmap = ImageExporter.FromBundle(new Bundle(this.graphVisualizationInfoView.Controller.Model.Paintables), this.graphVisualizationInfoView.Controller.View.Graphics);
312      SaveFileDialog saveFileDialog = new SaveFileDialog();
313      saveFileDialog.Title = "Save Screenshot";
314      saveFileDialog.DefaultExt = "png";
315      saveFileDialog.Filter = "Portable Network Graphics|*.png|All Files|*.*";
316      saveFileDialog.FilterIndex = 1;
317      saveFileDialog.AddExtension = true;
318
319      if (saveFileDialog.ShowDialog() == DialogResult.OK) {
320        bitmap.Save(saveFileDialog.FileName);
321      }
322    }
323  }
324}
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