Changeset 3291

Timestamp:

04/09/10 02:57:16 (14 years ago)

Author:

swagner

Message:

Loaded samples asynchronously in start page (#964).

Location:

trunk/sources/HeuristicLab.Optimizer/3.3

Files:

• MenuItems/StartPageMenuItem.cs (modified) (1 diff)
• StartPage.Designer.cs (modified) (9 diffs)
• StartPage.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Optimizer/3.3/MenuItems/StartPageMenuItem.cs

@@ -66 +66 @@
         view = new StartPage();
         view.Show();
+      } else if (view.IsShown) {
+        view.Hide();
       } else {
-        view.Close();
+        view.Show();
       }
     }

trunk/sources/HeuristicLab.Optimizer/3.3/StartPage.Designer.cs

@@ -50 +50 @@
       this.titleLabel = new System.Windows.Forms.Label();
       this.samplesGroupBox = new System.Windows.Forms.GroupBox();
+      this.loadingPanel = new System.Windows.Forms.Panel();
+      this.loadingProgressBar = new System.Windows.Forms.ProgressBar();
+      this.loadingLabel = new System.Windows.Forms.Label();
       this.samplesListView = new System.Windows.Forms.ListView();
       this.nameColumnHeader = new System.Windows.Forms.ColumnHeader();
@@ -55 +58 @@
       this.imageList = new System.Windows.Forms.ImageList(this.components);
       this.samplesGroupBox.SuspendLayout();
+      this.loadingPanel.SuspendLayout();
       this.SuspendLayout();
       // 
@@ -62 +66 @@
       this.showStartPageCheckBox.AutoSize = true;
       this.showStartPageCheckBox.CheckAlign = System.Drawing.ContentAlignment.MiddleRight;
-      this.showStartPageCheckBox.Location = new System.Drawing.Point(3, 491);
+      this.showStartPageCheckBox.Location = new System.Drawing.Point(3, 542);
       this.showStartPageCheckBox.Name = "showStartPageCheckBox";
       this.showStartPageCheckBox.Size = new System.Drawing.Size(158, 17);
@@ -81 +85 @@
       this.firstStepsRichTextBox.Name = "firstStepsRichTextBox";
       this.firstStepsRichTextBox.ReadOnly = true;
-      this.firstStepsRichTextBox.Size = new System.Drawing.Size(815, 268);
+      this.firstStepsRichTextBox.Size = new System.Drawing.Size(760, 319);
       this.firstStepsRichTextBox.TabIndex = 1;
       this.firstStepsRichTextBox.Text = "First Steps";
@@ -93 +97 @@
       this.titleLabel.Location = new System.Drawing.Point(3, 0);
       this.titleLabel.Name = "titleLabel";
-      this.titleLabel.Size = new System.Drawing.Size(815, 30);
+      this.titleLabel.Size = new System.Drawing.Size(760, 30);
       this.titleLabel.TabIndex = 0;
       this.titleLabel.Text = "Title";
@@ -102 +106 @@
       this.samplesGroupBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
                   | System.Windows.Forms.AnchorStyles.Right)));
+      this.samplesGroupBox.Controls.Add(this.loadingPanel);
       this.samplesGroupBox.Controls.Add(this.samplesListView);
-      this.samplesGroupBox.Location = new System.Drawing.Point(3, 307);
+      this.samplesGroupBox.Location = new System.Drawing.Point(3, 358);
       this.samplesGroupBox.Name = "samplesGroupBox";
-      this.samplesGroupBox.Size = new System.Drawing.Size(815, 178);
+      this.samplesGroupBox.Size = new System.Drawing.Size(760, 178);
       this.samplesGroupBox.TabIndex = 2;
       this.samplesGroupBox.TabStop = false;
       this.samplesGroupBox.Text = "Samples";
+      // 
+      // loadingPanel
+      // 
+      this.loadingPanel.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
+      this.loadingPanel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+      this.loadingPanel.Controls.Add(this.loadingProgressBar);
+      this.loadingPanel.Controls.Add(this.loadingLabel);
+      this.loadingPanel.Enabled = false;
+      this.loadingPanel.Location = new System.Drawing.Point(205, 74);
+      this.loadingPanel.Name = "loadingPanel";
+      this.loadingPanel.Size = new System.Drawing.Size(350, 62);
+      this.loadingPanel.TabIndex = 1;
+      // 
+      // loadingProgressBar
+      // 
+      this.loadingProgressBar.Anchor = System.Windows.Forms.AnchorStyles.None;
+      this.loadingProgressBar.Location = new System.Drawing.Point(101, 19);
+      this.loadingProgressBar.Name = "loadingProgressBar";
+      this.loadingProgressBar.Size = new System.Drawing.Size(229, 23);
+      this.loadingProgressBar.Step = 1;
+      this.loadingProgressBar.TabIndex = 1;
+      // 
+      // loadingLabel
+      // 
+      this.loadingLabel.Anchor = System.Windows.Forms.AnchorStyles.None;
+      this.loadingLabel.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+      this.loadingLabel.Location = new System.Drawing.Point(12, 19);
+      this.loadingLabel.Name = "loadingLabel";
+      this.loadingLabel.Size = new System.Drawing.Size(83, 23);
+      this.loadingLabel.TabIndex = 0;
+      this.loadingLabel.Text = "Loading ...";
       // 
       // samplesListView
@@ -121 +157 @@
       this.samplesListView.Name = "samplesListView";
       this.samplesListView.ShowItemToolTips = true;
-      this.samplesListView.Size = new System.Drawing.Size(809, 159);
+      this.samplesListView.Size = new System.Drawing.Size(754, 159);
       this.samplesListView.SmallImageList = this.imageList;
       this.samplesListView.Sorting = System.Windows.Forms.SortOrder.Ascending;
@@ -154 +190 @@
       this.Controls.Add(this.showStartPageCheckBox);
       this.Name = "StartPage";
-      this.Size = new System.Drawing.Size(821, 511);
+      this.Size = new System.Drawing.Size(766, 562);
       this.samplesGroupBox.ResumeLayout(false);
+      this.loadingPanel.ResumeLayout(false);
       this.ResumeLayout(false);
       this.PerformLayout();
@@ -171 +208 @@
     private System.Windows.Forms.ImageList imageList;
     private System.Windows.Forms.ColumnHeader descriptionColumnHeader;
+    private System.Windows.Forms.Panel loadingPanel;
+    private System.Windows.Forms.ProgressBar loadingProgressBar;
+    private System.Windows.Forms.Label loadingLabel;
   }
 }

trunk/sources/HeuristicLab.Optimizer/3.3/StartPage.cs

@@ -29 +29 @@
 using HeuristicLab.MainForm;
 using HeuristicLab.Persistence.Default.Xml;
+using System.Threading;
 
 namespace HeuristicLab.Optimizer {
@@ -54 +55 @@
       catch (Exception) { }
 
-      samples = new List<INamedItem>();
+      samplesListView.Enabled = false;
+      showStartPageCheckBox.Checked = Properties.Settings.Default.ShowStartPage;
+      Cursor = Cursors.AppStarting;
+
+      ThreadPool.QueueUserWorkItem(new WaitCallback(LoadSamples));
+    }
+
+    protected override void OnClosing(FormClosingEventArgs e) {
+      base.OnClosing(e);
+      if (e.CloseReason == CloseReason.UserClosing) {
+        e.Cancel = true;
+        this.Hide();
+      }
+    }
+
+    private void LoadSamples(object state) {
+      Assembly assembly = Assembly.GetExecutingAssembly();
+      var samples = assembly.GetManifestResourceNames().Where(x => x.EndsWith(".hl"));
       string path = Path.GetTempFileName();
-      foreach (string name in assembly.GetManifestResourceNames()) {
-        if (name.EndsWith(".hl")) {
-          try {
-            using (Stream stream = assembly.GetManifestResourceStream(name)) {
-              WriteStreamToTempFile(stream, path);
-              IItem item = XmlParser.Deserialize<IItem>(path);
-              if (item is INamedItem) samples.Add((INamedItem)item);
-            }
+      int progress = loadingProgressBar.Maximum / samples.Count();
+
+      foreach (string name in samples) {
+        try {
+          using (Stream stream = assembly.GetManifestResourceStream(name)) {
+            WriteStreamToTempFile(stream, path);
+            IItem item = XmlParser.Deserialize<IItem>(path);
+            OnSampleLoaded(item as INamedItem, progress);
           }
-          catch (Exception) { }
+        }
+        catch (Exception) { }
+      }
+      OnAllSamplesLoaded();
+    }
+    private void OnSampleLoaded(INamedItem sample, int progress) {
+      if (sample != null) {
+        if (InvokeRequired)
+          Invoke(new Action<INamedItem, int>(OnSampleLoaded), sample, progress);
+        else {
+          ListViewItem item = new ListViewItem(new string[] { sample.Name, sample.Description });
+          item.ToolTipText = sample.ItemName + " (" + sample.ItemDescription + ")";
+          samplesListView.SmallImageList.Images.Add(sample.ItemImage);
+          item.ImageIndex = samplesListView.SmallImageList.Images.Count - 1;
+          item.Tag = sample;
+          samplesListView.Items.Add(item);
+          loadingProgressBar.Value += progress;
         }
       }
-      foreach (INamedItem sample in samples) {
-        ListViewItem item = new ListViewItem(new string[] { sample.Name, sample.Description });
-        item.ToolTipText = sample.ItemName + " (" + sample.ItemDescription + ")";
-        samplesListView.SmallImageList.Images.Add(sample.ItemImage);
-        item.ImageIndex = samplesListView.SmallImageList.Images.Count - 1;
-        item.Tag = sample;
-        samplesListView.Items.Add(item);
+    }
+    private void OnAllSamplesLoaded() {
+      if (InvokeRequired)
+        Invoke(new Action(OnAllSamplesLoaded));
+      else {
+        samplesListView.Enabled = samplesListView.Items.Count > 0;
+        if (samplesListView.Items.Count > 0) {
+          for (int i = 0; i < samplesListView.Columns.Count; i++)
+            samplesListView.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
+        }
+        loadingPanel.Visible = false;
+        Cursor = Cursors.Default;
       }
-      samplesListView.Enabled = samplesListView.Items.Count > 0;
-      if (samplesListView.Items.Count > 0) {
-        for (int i = 0; i < samplesListView.Columns.Count; i++)
-          samplesListView.Columns[i].AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
-      }
-
-      showStartPageCheckBox.Checked = Properties.Settings.Default.ShowStartPage;
     }