Changeset 10628 for branches/DataPreprocessing/HeuristicLab.DataPreprocessing.Views/3.3/LineChartView.cs

Timestamp:

03/19/14 14:24:40 (10 years ago)

Author:

aesterer

Message:

Refactored LineChartLogic and added CheckedItemListView to LineChartView

File:

• branches/DataPreprocessing/HeuristicLab.DataPreprocessing.Views/3.3/LineChartView.cs (modified) (3 diffs)

branches/DataPreprocessing/HeuristicLab.DataPreprocessing.Views/3.3/LineChartView.cs

@@ -21 +21 @@
 
 using System.Windows.Forms;
+using HeuristicLab.Analysis;
+using HeuristicLab.Collections;
+using HeuristicLab.Core;
 using HeuristicLab.Core.Views;
+using HeuristicLab.Data;
 using HeuristicLab.MainForm;
 
@@ -30 +34 @@
   public partial class LineChartView : ItemView {
 
+    private ILineChartLogic logic;
+    private DataTable dataTable;
+    private ICheckedItemList<StringValue> itemList;
+    private const string LINE_CHART_TITLE = "LineChart";
+
     public LineChartView() {
       InitializeComponent();
     }
 
+    private void CheckedItemsChanged(object sender, CollectionItemsChangedEventArgs<IndexedItem<StringValue>> checkedItems) {
+      foreach(IndexedItem<StringValue> item in checkedItems.Items)
+      {
+        string variableName = item.Value.Value;
+        if (VariableIsDisplayed(variableName)) {
+          dataTable.Rows.Remove(variableName);
+        } else {
+          dataTable.Rows.Add(logic.CreateDataRow(variableName));
+        }
+      }
+    }
+
+    public bool VariableIsDisplayed(string name) {
+
+      foreach (var item in dataTable.Rows) {
+        if (item.Name == name)
+          return true;
+      }
+      return false;
+    }
+
     private void InitDataTable() {
-      ILineChartLogic logic = Content.LineChartLogic;
-      viewHost.Content = logic.GetDataTable();
+      dataTable = logic.CreateDataTable(LINE_CHART_TITLE);
+      viewHost.Content = dataTable;
+    }
+
+    private void InitVariablesListBox() {
+      itemList = logic.CreateVariableItemList();
+      checkedItemList.Content = itemList;
     }
 
@@ -61 +96 @@
       base.OnContentChanged();
       if (Content != null) {
+        logic = Content.LineChartLogic;
         InitDataTable();
         InitVariablesListBox();
+        itemList.CheckedItemsChanged += CheckedItemsChanged;
+        logic.Changed += PreprocessingData_Changed;
       }
     }
 
-    private void InitVariablesListBox() {
-      ILineChartLogic logic = Content.LineChartLogic;
-
-      foreach (var variableName in logic.GetVariableNames()) {
-        variablesListBox.Items.Add(variableName, true);
+    //TODO: refactor: possible code duplication with HistogramLogic
+    void PreprocessingData_Changed(object sender, DataPreprocessingChangedEventArgs e) {
+      switch (e.Type) {
+        case DataPreprocessingChangedEventType.DeleteColumn:
+          RemoveVariable(logic.GetVariableNameByIndex(e.Column));
+          break;
+        case DataPreprocessingChangedEventType.AddColumn:
+          AddVariable(logic.GetVariableNameByIndex(e.Column));
+          break;
+        case DataPreprocessingChangedEventType.ChangeColumn:
+        case DataPreprocessingChangedEventType.ChangeItem:
+          dataTable.Rows.Remove(logic.GetVariableNameByIndex(e.Column));
+          dataTable.Rows.Add(logic.CreateDataRow((logic.GetVariableNameByIndex(e.Column))));
+          break;
+        case DataPreprocessingChangedEventType.DeleteRow:
+        case DataPreprocessingChangedEventType.AddRow:
+          InitDataTable();
+          break;
       }
     }
 
-    private void variablesListBox_ItemCheck(object sender, ItemCheckEventArgs e) {
-      string item = variablesListBox.Items[e.Index] as string;
+    // add variable to data table and item list
+    private void AddVariable(string name) {
+      dataTable.Rows.Add(logic.CreateDataRow(name));
+      itemList.Add(new StringValue(name));
+    }
+
+    // remove variable from data table and item list
+    private void RemoveVariable(string name) {
+      dataTable.Rows.Remove(name);
+
+      StringValue stringValue = FindVariableItemList(name);
+      if (stringValue != null)
+        itemList.Remove(stringValue);
+
+    }
+
+    private StringValue FindVariableItemList(string name) {
+      foreach (StringValue stringValue in itemList) {
+        if (stringValue.Value == name)
+          return stringValue;
+      }
+      return null;
+    }
 
 
-      if (e.NewValue == CheckState.Checked && !Content.LineChartLogic.VariableIsDisplayed(item))
-        Content.LineChartLogic.AddVariable(item);
-      else if (e.NewValue == CheckState.Unchecked && Content.LineChartLogic.VariableIsDisplayed(item))
-        Content.LineChartLogic.RemoveVariable(item);
-    }
   }
 }