Changeset 457

Timestamp:

08/06/08 15:32:33 (16 years ago)

Author:

gkronber

Message:

improved shuffle rows feature (#233)

Location:

trunk/sources/HeuristicLab.DataAnalysis

Files:

• HeuristicLab.DataAnalysis.csproj (modified) (3 diffs)
• RowShuffler.cs (modified) (2 diffs)
• RowShuffler.resx (added)

trunk/sources/HeuristicLab.DataAnalysis/HeuristicLab.DataAnalysis.csproj

@@ -51 +51 @@
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="RowShuffler.cs">
+      <SubType>Form</SubType>
+    </Compile>
     <Compile Include="DataFormatException.cs" />
     <Compile Include="Dataset.cs" />
@@ -70 +73 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Regression.cs" />
-    <Compile Include="RowShuffler.cs" />
     <Compile Include="Statistics.cs" />
     <Compile Include="SvmExporter.cs">
@@ -95 +97 @@
   </ItemGroup>
   <ItemGroup>
+    <EmbeddedResource Include="RowShuffler.resx">
+      <DependentUpon>RowShuffler.cs</DependentUpon>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
     <EmbeddedResource Include="DatasetView.resx">
       <DependentUpon>DatasetView.cs</DependentUpon>

trunk/sources/HeuristicLab.DataAnalysis/RowShuffler.cs

@@ -24 +24 @@
 using System.Linq;
 using System.Text;
+using System.Windows.Forms;
+using System.IO;
+using System.Globalization;
 
 namespace HeuristicLab.DataAnalysis {
-  public class RowShuffler : IDatasetManipulator {
+  class RowShuffler : Form, IDatasetManipulator {
+    private Label helpLabel;
+    private Button nextButton;
+    private DataGridView dataGridView;
+    private Dataset dataset;
+    public RowShuffler()
+      : base() {
+      InitializeComponent();
+    }
+
+
+    #region IDatasetManipulator Members
+
     public string Action {
-      get { return "Shuffle rows"; }
+      get { return "Shuffle rows..."; }
     }
 
     public void Execute(Dataset dataset) {
-      Random random = new Random();
-      for(int i = 0; i < dataset.Rows - 1; i++) {
-        int j = random.Next(i, dataset.Rows);
-        ExchangeRows(dataset, i, j);
+      this.dataset = dataset;
+      dataGridView.ColumnCount = dataset.Columns;
+      dataGridView.RowCount = dataset.Rows;
+      for(int i = 0; i < dataset.Rows; i++) {
+        for(int j = 0; j < dataset.Columns; j++) {
+          dataGridView.Rows[i].Cells[j].Value = dataset.GetValue(i, j);
+          dataGridView.Rows[i].HeaderCell.Value = i.ToString();
+        }
       }
+      for(int i = 0; i < dataset.Columns; i++) {
+        dataGridView.Columns[i].SortMode = DataGridViewColumnSortMode.NotSortable;
+        dataGridView.Columns[i].Name = dataset.VariableNames[i];
+      }
+      dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+
+      ShowDialog();
     }
 
@@ -46 +72 @@
       }
     }
+
+    #endregion
+
+    private void InitializeComponent() {
+      System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle();
+      this.dataGridView = new System.Windows.Forms.DataGridView();
+      this.helpLabel = new System.Windows.Forms.Label();
+      this.nextButton = new System.Windows.Forms.Button();
+      ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+      this.SuspendLayout();
+      // 
+      // dataGridView
+      // 
+      this.dataGridView.AllowUserToAddRows = false;
+      this.dataGridView.AllowUserToDeleteRows = false;
+      this.dataGridView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+                  | System.Windows.Forms.AnchorStyles.Left)
+                  | System.Windows.Forms.AnchorStyles.Right)));
+      this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+      this.dataGridView.Location = new System.Drawing.Point(12, 25);
+      this.dataGridView.Name = "dataGridView";
+      this.dataGridView.ReadOnly = true;
+      dataGridViewCellStyle1.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleRight;
+      dataGridViewCellStyle1.BackColor = System.Drawing.SystemColors.Control;
+      dataGridViewCellStyle1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+      dataGridViewCellStyle1.ForeColor = System.Drawing.SystemColors.WindowText;
+      dataGridViewCellStyle1.SelectionBackColor = System.Drawing.SystemColors.Highlight;
+      dataGridViewCellStyle1.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
+      dataGridViewCellStyle1.WrapMode = System.Windows.Forms.DataGridViewTriState.True;
+      this.dataGridView.RowHeadersDefaultCellStyle = dataGridViewCellStyle1;
+      this.dataGridView.RowHeadersWidthSizeMode = System.Windows.Forms.DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders;
+      this.dataGridView.Size = new System.Drawing.Size(607, 444);
+      this.dataGridView.TabIndex = 0;
+      this.dataGridView.SelectionChanged += new System.EventHandler(this.dataGridView_SelectionChanged);
+      // 
+      // helpLabel
+      // 
+      this.helpLabel.AutoSize = true;
+      this.helpLabel.Location = new System.Drawing.Point(12, 9);
+      this.helpLabel.Name = "helpLabel";
+      this.helpLabel.Size = new System.Drawing.Size(183, 13);
+      this.helpLabel.TabIndex = 1;
+      this.helpLabel.Text = "Please select the rows to be shuffled.";
+      // 
+      // nextButton
+      // 
+      this.nextButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+      this.nextButton.Location = new System.Drawing.Point(544, 475);
+      this.nextButton.Name = "nextButton";
+      this.nextButton.Size = new System.Drawing.Size(75, 23);
+      this.nextButton.TabIndex = 2;
+      this.nextButton.Text = "Next...";
+      this.nextButton.UseVisualStyleBackColor = true;
+      this.nextButton.Click += new System.EventHandler(this.nextButton_Click);
+      // 
+      // RowShuffler
+      // 
+      this.ClientSize = new System.Drawing.Size(631, 510);
+      this.Controls.Add(this.nextButton);
+      this.Controls.Add(this.helpLabel);
+      this.Controls.Add(this.dataGridView);
+      this.Name = "RowShuffler";
+      this.Text = "Row shuffler";
+      ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+      this.ResumeLayout(false);
+      this.PerformLayout();
+
+    }
+
+    private void dataGridView_SelectionChanged(object sender, EventArgs e) {
+      if(dataGridView.SelectedRows.Count > 1) nextButton.Enabled = true;
+      else nextButton.Enabled = false;
+    }
+
+    private void nextButton_Click(object sender, EventArgs e) {
+      Random random = new Random();
+      for(int i = 0; i < dataGridView.SelectedRows.Count - 1; i++) {
+        int j = random.Next(i, dataGridView.SelectedRows.Count);
+        int col0 = dataGridView.SelectedRows[i].Index;
+        int col1 = dataGridView.SelectedRows[j].Index;
+        ExchangeRows(dataset, i, j);
+      }
+
+      Close();
+    }
   }
 }