Changeset 10993

Timestamp:

06/11/14 15:13:24 (10 years ago)

Author:

sbreuer

Message:

• make data grid selection faster

File:

• branches/DataPreprocessing/HeuristicLab.DataPreprocessing.Views/3.4/DataGridContentView.cs (modified) (2 diffs)

branches/DataPreprocessing/HeuristicLab.DataPreprocessing.Views/3.4/DataGridContentView.cs

@@ -140 +140 @@
 
     protected override void dataGridView_SelectionChanged(object sender, EventArgs e) {
-      if (Content != null) {
-        if (!isSearching && !isReplacing) {
-
-          if (Control.MouseButtons == MouseButtons.Left) {
-            updateOnMouseUp = true;
-            return;
-          }
-
-          base.dataGridView_SelectionChanged(sender, e);
-
-          Content.DataGridLogic.SetSelection(GetSelectedCells());
-        }
-      }
+      base.dataGridView_SelectionChanged(sender, e);
+      Content.DataGridLogic.SetSelection(GetSelectedCells());
     }
 
@@ -572 +561 @@
     private IDictionary<int, IList<int>> GetSelectedCells() {
       IDictionary<int, IList<int>> selectedCells = new Dictionary<int, IList<int>>();
-      for (int i = 0; i < dataGridView.SelectedCells.Count; i++) {
-        var columnIndex = dataGridView.SelectedCells[i].ColumnIndex;
-        if (!selectedCells.ContainsKey(columnIndex)) {
-          selectedCells.Add(columnIndex, new List<int>());
-        }
-        selectedCells[columnIndex].Add(dataGridView.SelectedCells[i].RowIndex);
-      }
+
+      //special case if all cells are selected
+      if (dataGridView.AreAllCellsSelected(true)) {
+        for (int i = 0; i < Content.Columns; i++)
+          selectedCells[i] = Enumerable.Range(0, Content.Rows).ToList();
+        return selectedCells;
+      }
+
+      foreach (var selectedCell in dataGridView.SelectedCells) {
+        var cell = (DataGridViewCell) selectedCell;
+        if (!selectedCells.ContainsKey(cell.ColumnIndex)) 
+          selectedCells.Add(cell.ColumnIndex, new List<int>(1024));
+        selectedCells[cell.ColumnIndex].Add(cell.RowIndex);
+      }
+
       return selectedCells;
     }