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source: branches/EnhancedProgress/HeuristicLab.Scripting.Views/3.3/ScriptView.cs @ 15529

Last change on this file since 15529 was 15477, checked in by pfleck, 7 years ago

#2845

  • Added an explicit method for StartMarquee.
  • Renamed Add/RemoveOperationProgress methods.
  • Moved progress helpers from MainForm into static Progress methods named Show and Hide.
File size: 8.7 KB
RevLine 
[10332]1#region License Information
2/* HeuristicLab
[14185]3 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[10332]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.CodeDom.Compiler;
[11807]24using System.Collections.Generic;
[10332]25using System.Drawing;
[10506]26using System.Globalization;
[10332]27using System.Linq;
[11807]28using System.Reflection;
[10332]29using System.Windows.Forms;
[11807]30using HeuristicLab.Common;
[10332]31using HeuristicLab.Common.Resources;
32using HeuristicLab.Core.Views;
33using HeuristicLab.MainForm;
34
[10506]35namespace HeuristicLab.Scripting.Views {
[10332]36
[10401]37  [View("Script View")]
38  [Content(typeof(Script), true)]
39  public partial class ScriptView : NamedItemView {
[11819]40    private const string NotCompiledMessage = "Not compiled";
41    private const string CompilationSucceededMessage = "Compilation succeeded";
42    private const string CompilationFailedMessage = "Compilation failed";
[11807]43    private const string AssembliesLoadingMessage = "Loading Assemblies";
44    private const string AssembliesUnloadingMessage = "Unloading Assemblies";
45    private const int SilentAssemblyLoadingOperationLimit = 10;
46
[11657]47    #region Properties
[10401]48    public new Script Content {
49      get { return (Script)base.Content; }
[10731]50      set { base.Content = value; }
[10332]51    }
52
[11436]53    public override bool ReadOnly {
[11480]54      get { return codeEditor.ReadOnly || base.ReadOnly; }
55      set { base.ReadOnly = codeEditor.ReadOnly = value; }
[11436]56    }
57
58    public override bool Locked {
[11480]59      get { return codeEditor.ReadOnly || base.Locked; }
60      set { base.Locked = codeEditor.ReadOnly = value; }
[11436]61    }
[11657]62    #endregion
[11436]63
[11657]64    public ScriptView() {
65      InitializeComponent();
66      errorListView.SmallImageList.Images.AddRange(new Image[] { VSImageLibrary.Warning, VSImageLibrary.Error });
67    }
68
[10332]69    protected override void RegisterContentEvents() {
70      base.RegisterContentEvents();
[11657]71      Content.CodeChanged += Content_CodeChanged;
[10332]72    }
73
74    protected override void DeregisterContentEvents() {
[11657]75      Content.CodeChanged -= Content_CodeChanged;
[10332]76      base.DeregisterContentEvents();
77    }
78
[11657]79    #region Overrides
[10332]80    protected override void OnContentChanged() {
81      base.OnContentChanged();
82      if (Content == null) {
83        codeEditor.UserCode = string.Empty;
84      } else {
[11807]85        codeEditor.UserCode = Content.Code;
86        codeEditor.AddAssembliesAsync(Content.GetAssemblies());
[10332]87        if (Content.CompileErrors == null) {
[11836]88          UpdateInfoTextLabel(NotCompiledMessage, SystemColors.ControlText);
[10332]89        }
90      }
91    }
92
93    protected override void SetEnabledStateOfControls() {
94      base.SetEnabledStateOfControls();
[10506]95      compileButton.Enabled = Content != null && !Locked && !ReadOnly;
[11436]96      codeEditor.Enabled = Content != null;
[10332]97    }
98
99    protected override bool ProcessCmdKey(ref Message msg, Keys keyData) {
[10506]100      switch (keyData) {
101        case Keys.F6:
[10731]102          if (Content != null && !Locked)
103            Compile();
104          return true;
[10332]105      }
106      return base.ProcessCmdKey(ref msg, keyData);
107    }
[11657]108    #endregion
[10332]109
[10731]110    public virtual bool Compile() {
[10332]111      ReadOnly = true;
[10358]112      Locked = true;
[10332]113      errorListView.Items.Clear();
[10506]114      outputTextBox.Text = "Compiling ... ";
[10332]115      try {
116        Content.Compile();
[11819]117        outputTextBox.AppendText(CompilationSucceededMessage);
[11836]118        UpdateInfoTextLabel(CompilationSucceededMessage, Color.DarkGreen);
[10332]119        return true;
[11882]120      } catch (CompilationException) {
[10865]121        if (Content.CompileErrors.HasErrors) {
[11819]122          outputTextBox.AppendText(CompilationFailedMessage);
[11836]123          UpdateInfoTextLabel(CompilationFailedMessage, Color.DarkRed);
[10865]124          return false;
125        } else {
[11819]126          outputTextBox.AppendText(CompilationSucceededMessage);
[11836]127          UpdateInfoTextLabel(CompilationSucceededMessage, Color.DarkGreen);
[10865]128          return true;
129        }
[10332]130      } finally {
[10506]131        ShowCompilationResults();
[10642]132        if (Content.CompileErrors.Count > 0)
133          infoTabControl.SelectedTab = errorListTabPage;
[10332]134        ReadOnly = false;
[10358]135        Locked = false;
[11657]136        codeEditor.Focus();
[10332]137      }
138    }
139
[11657]140    #region Helpers
[10731]141    protected virtual void ShowCompilationResults() {
[11657]142      var messages = Content.CompileErrors.OfType<CompilerError>()
[10506]143                                      .OrderBy(x => x.IsWarning)
144                                      .ThenBy(x => x.Line)
145                                      .ThenBy(x => x.Column);
[11657]146
147      foreach (var m in messages) {
148        var item = new ListViewItem { Tag = m };
[10506]149        item.SubItems.AddRange(new[] {
[10332]150          m.IsWarning ? "Warning" : "Error",
151          m.ErrorNumber,
[10506]152          m.Line.ToString(CultureInfo.InvariantCulture),
153          m.Column.ToString(CultureInfo.InvariantCulture),
[10332]154          m.ErrorText
155        });
[10506]156        item.ImageIndex = m.IsWarning ? 0 : 1;
[10332]157        errorListView.Items.Add(item);
158      }
[11657]159
[11807]160      codeEditor.ShowCompileErrors(Content.CompileErrors);
[11657]161
[10506]162      AdjustErrorListViewColumnSizes();
[10332]163    }
[10506]164
[11836]165    protected virtual void UpdateInfoTextLabel(string message, Color color) {
166      infoTextLabel.Text = message;
167      infoTextLabel.ForeColor = color;
168    }
169
[10731]170    protected virtual void AdjustErrorListViewColumnSizes() {
[10506]171      foreach (ColumnHeader ch in errorListView.Columns)
[10865]172        // adjusts the column width to the width of the column header
[10506]173        ch.Width = -2;
174    }
[11807]175
176    #region ProgressView
177    private bool progressViewCreated;
178
179    private void AddProgressView(string progressMessage) {
[15477]180      Progress.ShowMarquee(this, progressMessage);
[11807]181      progressViewCreated = true;
182    }
183
184    private void RemoveProgressView() {
185      if (!progressViewCreated) return;
[15477]186      Progress.Hide(this);
[11807]187      progressViewCreated = false;
188    }
[11657]189    #endregion
[11807]190    #endregion
[11657]191
192    #region Event Handlers
[11942]193    protected virtual void Content_CodeChanged(object sender, EventArgs e) {
[11807]194      if (InvokeRequired) Invoke((Action<object, EventArgs>)Content_CodeChanged, sender, e);
[11657]195      else {
196        codeEditor.UserCode = Content.Code;
197      }
198    }
199
200    private void compileButton_Click(object sender, EventArgs e) {
201      Compile();
202    }
203
204    private void codeEditor_TextEditorTextChanged(object sender, EventArgs e) {
205      if (Content == null) return;
206      Content.Code = codeEditor.UserCode;
207    }
208
209    private void errorListView_MouseDoubleClick(object sender, MouseEventArgs e) {
210      if (e.Button == MouseButtons.Left) {
211        var item = errorListView.SelectedItems[0];
212        var message = (CompilerError)item.Tag;
213        codeEditor.ScrollToPosition(message.Line, message.Column);
214        codeEditor.Focus();
215      }
216    }
217    #endregion
[11807]218
219    private void codeEditor_AssembliesLoading(object sender, EventArgs<IEnumerable<Assembly>> e) {
220      if (InvokeRequired) Invoke((Action<object, EventArgs<IEnumerable<Assembly>>>)codeEditor_AssembliesLoading, sender, e);
221      else {
222        int nrOfAssemblies = e.Value.Count();
223        if (nrOfAssemblies > SilentAssemblyLoadingOperationLimit)
224          AddProgressView(AssembliesLoadingMessage);
225      }
226    }
227
228    private void codeEditor_AssembliesLoaded(object sender, EventArgs<IEnumerable<Assembly>> e) {
229      if (InvokeRequired) Invoke((Action<object, EventArgs<IEnumerable<Assembly>>>)codeEditor_AssembliesLoaded, sender, e);
230      else {
231        RemoveProgressView();
232      }
233    }
234
235    private void codeEditor_AssembliesUnloading(object sender, EventArgs<IEnumerable<Assembly>> e) {
236      if (InvokeRequired) Invoke((Action<object, EventArgs<IEnumerable<Assembly>>>)codeEditor_AssembliesUnloading, sender, e);
237      else {
238        int nrOfAssemblies = e.Value.Count();
239        if (nrOfAssemblies > SilentAssemblyLoadingOperationLimit)
240          AddProgressView(AssembliesUnloadingMessage);
241      }
242    }
243
244    private void codeEditor_AssembliesUnloaded(object sender, EventArgs<IEnumerable<Assembly>> e) {
245      if (InvokeRequired) Invoke((Action<object, EventArgs<IEnumerable<Assembly>>>)codeEditor_AssembliesUnloaded, sender, e);
246      else {
247        RemoveProgressView();
248      }
249    }
[10332]250  }
251}
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