Changeset 8954 for branches/SlaveShutdown/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/InteractiveSymbolicDataAnalysisSolutionSimplifierView.cs

Timestamp:

11/27/12 20:09:33 (11 years ago)

Author:

ascheibe

Message:

#1986 merged trunk into SlaveShutdown branch

Location:

branches/SlaveShutdown

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic.Views (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4 (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/InteractiveSymbolicDataAnalysisSolutionSimplifierView.cs (modified) (7 diffs)

branches/SlaveShutdown/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4

@@ +1 @@
+*.user
+Plugin.cs
 bin
 obj
-*.user
-HeuristicLabProblemsDataAnalysisSymbolicViewsPlugin.cs
-*.vs10x
-Plugin.cs

@@ +1 @@
+*.user
+Plugin.cs
 bin
 obj
-*.user
-HeuristicLabProblemsDataAnalysisSymbolicViewsPlugin.cs
-*.vs10x
-Plugin.cs

branches/SlaveShutdown/HeuristicLab.Problems.DataAnalysis.Symbolic.Views/3.4/InteractiveSymbolicDataAnalysisSolutionSimplifierView.cs

@@ -34 +34 @@
     private Dictionary<ISymbolicExpressionTreeNode, ISymbolicExpressionTreeNode> replacementNodes;
     private Dictionary<ISymbolicExpressionTreeNode, double> nodeImpacts;
-    private bool updateInProgress = false;
+    private Dictionary<ISymbolicExpressionTreeNode, double> originalValues;
+    private Dictionary<ISymbolicExpressionTreeNode, string> originalVariableNames;
 
     public InteractiveSymbolicDataAnalysisSolutionSimplifierView() {
       InitializeComponent();
-      this.replacementNodes = new Dictionary<ISymbolicExpressionTreeNode, ISymbolicExpressionTreeNode>();
-      this.nodeImpacts = new Dictionary<ISymbolicExpressionTreeNode, double>();
+      replacementNodes = new Dictionary<ISymbolicExpressionTreeNode, ISymbolicExpressionTreeNode>();
+      nodeImpacts = new Dictionary<ISymbolicExpressionTreeNode, double>();
+      originalValues = new Dictionary<ISymbolicExpressionTreeNode, double>();
+      originalVariableNames = new Dictionary<ISymbolicExpressionTreeNode, string>();
+
       this.Caption = "Interactive Solution Simplifier";
     }
@@ -50 +54 @@
     protected override void RegisterContentEvents() {
       base.RegisterContentEvents();
-      Content.ModelChanged += new EventHandler(Content_ModelChanged);
-      Content.ProblemDataChanged += new EventHandler(Content_ProblemDataChanged);
+      Content.ModelChanged += Content_Changed;
+      Content.ProblemDataChanged += Content_Changed;
     }
     protected override void DeregisterContentEvents() {
       base.DeregisterContentEvents();
-      Content.ModelChanged -= new EventHandler(Content_ModelChanged);
-      Content.ProblemDataChanged -= new EventHandler(Content_ProblemDataChanged);
-    }
-
-    private void Content_ModelChanged(object sender, EventArgs e) {
-      OnModelChanged();
-    }
-    private void Content_ProblemDataChanged(object sender, EventArgs e) {
-      OnProblemDataChanged();
-    }
-
-    protected virtual void OnModelChanged() {
-      this.CalculateReplacementNodesAndNodeImpacts();
-    }
-
-    protected virtual void OnProblemDataChanged() {
-      this.CalculateReplacementNodesAndNodeImpacts();
+      Content.ModelChanged -= Content_Changed;
+      Content.ProblemDataChanged -= Content_Changed;
+    }
+
+    private void Content_Changed(object sender, EventArgs e) {
+      UpdateView();
     }
 
     protected override void OnContentChanged() {
       base.OnContentChanged();
-      this.CalculateReplacementNodesAndNodeImpacts();
-      this.viewHost.Content = this.Content;
-    }
-
-    private void CalculateReplacementNodesAndNodeImpacts() {
-      if (Content != null && Content.Model != null && Content.ProblemData != null) {
-        var tree = Content.Model.SymbolicExpressionTree;
-        var replacementValues = CalculateReplacementValues(tree);
-        foreach (var pair in replacementValues) {
-          if (!(pair.Key is ConstantTreeNode)) {
-            replacementNodes[pair.Key] = MakeConstantTreeNode(pair.Value);
-          }
-        }
-        nodeImpacts = CalculateImpactValues(Content.Model.SymbolicExpressionTree);
-
-        if (!updateInProgress) {
-          // automatically fold all branches with impact = 1
-          List<ISymbolicExpressionTreeNode> nodeList = Content.Model.SymbolicExpressionTree.Root.GetSubtree(0).IterateNodesPrefix().ToList();
-          foreach (var parent in nodeList) {
-            for (int subTreeIndex = 0; subTreeIndex < parent.SubtreeCount; subTreeIndex++) {
-              var child = parent.GetSubtree(subTreeIndex);
-              if (!(child.Symbol is Constant) && nodeImpacts[child].IsAlmost(0.0)) {
-                SwitchNodeWithReplacementNode(parent, subTreeIndex);
-              }
-            }
-          }
-        }
-
-        // show only interesting part of solution 
-        if (tree.Root.SubtreeCount > 1)
-          this.treeChart.Tree = new SymbolicExpressionTree(tree.Root); // RPB + ADFs
-        else
-          this.treeChart.Tree = new SymbolicExpressionTree(tree.Root.GetSubtree(0).GetSubtree(0)); // 1st child of RPB
-        this.PaintNodeImpacts();
-      }
+      UpdateView();
+      viewHost.Content = this.Content;
+    }
+
+    private void UpdateView() {
+      if (Content == null || Content.Model == null || Content.ProblemData == null) return;
+      var tree = Content.Model.SymbolicExpressionTree;
+
+      var replacementValues = CalculateReplacementValues(tree);
+      foreach (var pair in replacementValues.Where(pair => !(pair.Key is ConstantTreeNode))) {
+        replacementNodes[pair.Key] = MakeConstantTreeNode(pair.Value);
+      }
+
+      nodeImpacts = CalculateImpactValues(tree);
+
+      var model = Content.Model.SymbolicExpressionTree;
+      treeChart.Tree = model.Root.SubtreeCount > 1 ? new SymbolicExpressionTree(model.Root) : new SymbolicExpressionTree(model.Root.GetSubtree(0).GetSubtree(0));
+      PaintNodeImpacts();
     }
 
@@ -117 +93 @@
     protected abstract void UpdateModel(ISymbolicExpressionTree tree);
 
-    private ConstantTreeNode MakeConstantTreeNode(double value) {
-      Constant constant = new Constant();
-      constant.MinValue = value - 1;
-      constant.MaxValue = value + 1;
-      ConstantTreeNode constantTreeNode = (ConstantTreeNode)constant.CreateTreeNode();
+    private static ConstantTreeNode MakeConstantTreeNode(double value) {
+      var constant = new Constant { MinValue = value - 1, MaxValue = value + 1 };
+      var constantTreeNode = (ConstantTreeNode)constant.CreateTreeNode();
       constantTreeNode.Value = value;
       return constantTreeNode;
@@ -127 +101 @@
 
     private void treeChart_SymbolicExpressionTreeNodeDoubleClicked(object sender, MouseEventArgs e) {
-      VisualSymbolicExpressionTreeNode visualTreeNode = (VisualSymbolicExpressionTreeNode)sender;
+      if (!treeChart.TreeValid) return;
+      var visualNode = (VisualSymbolicExpressionTreeNode)sender;
+      var symbExprTreeNode = (SymbolicExpressionTreeNode)visualNode.SymbolicExpressionTreeNode;
+      if (symbExprTreeNode == null) return;
       var tree = Content.Model.SymbolicExpressionTree;
-      foreach (SymbolicExpressionTreeNode treeNode in tree.IterateNodesPostfix()) {
-        for (int i = 0; i < treeNode.SubtreeCount; i++) {
-          ISymbolicExpressionTreeNode subTree = treeNode.GetSubtree(i);
-          // only allow to replace nodes for which a replacement value is known (replacement value for ADF nodes are not available)
-          if (subTree == visualTreeNode.SymbolicExpressionTreeNode && replacementNodes.ContainsKey(subTree)) {
-            SwitchNodeWithReplacementNode(treeNode, i);
-
-            // show only interesting part of solution 
-            if (tree.Root.SubtreeCount > 1)
-              this.treeChart.Tree = new SymbolicExpressionTree(tree.Root); // RPB + ADFs
-            else
-              this.treeChart.Tree = new SymbolicExpressionTree(tree.Root.GetSubtree(0).GetSubtree(0)); // 1st child of RPB
-
-            updateInProgress = true;
-            UpdateModel(tree);
-            updateInProgress = false;
-            return; // break all loops
+
+      bool update = false;
+      // check if the node value/weight has been altered
+      // if so, the first double click will return the node to its original value/weight/variable name
+      // the next double click will replace the ConstantNode with the original SymbolicExpressionTreeNode
+      if (originalVariableNames.ContainsKey(symbExprTreeNode)) {
+        var variable = (VariableTreeNode)symbExprTreeNode;
+        variable.VariableName = originalVariableNames[symbExprTreeNode];
+        originalVariableNames.Remove(variable);
+        update = true;
+      } else if (originalValues.ContainsKey(symbExprTreeNode)) {
+        double value = originalValues[symbExprTreeNode];
+        if (symbExprTreeNode.Symbol is Constant) {
+          var constantTreeNode = (ConstantTreeNode)symbExprTreeNode;
+          constantTreeNode.Value = value;
+        } else if (symbExprTreeNode.Symbol is Variable) {
+          var variable = (VariableTreeNode)symbExprTreeNode;
+          variable.Weight = value;
+        }
+        originalValues.Remove(symbExprTreeNode);
+        update = true;
+      } else if (replacementNodes.ContainsKey(symbExprTreeNode)) {
+        foreach (var treeNode in tree.IterateNodesPostfix()) {
+          for (int i = 0; i < treeNode.SubtreeCount; i++) {
+            var subtree = treeNode.GetSubtree(i);
+            if (subtree == symbExprTreeNode) {
+              SwitchNodeWithReplacementNode(treeNode, i);
+              // show only interesting part of solution 
+              treeChart.Tree = tree.Root.SubtreeCount > 1
+                                 ? new SymbolicExpressionTree(tree.Root)
+                                 : new SymbolicExpressionTree(tree.Root.GetSubtree(0).GetSubtree(0));
+              update = true;
+            }
           }
-        }
+          if (update) break;
+        }
+      }
+      if (update) UpdateModel(tree);
+    }
+
+    private void treeChart_SymbolicExpressionTreeChanged(object sender, EventArgs e) {
+      UpdateModel(Content.Model.SymbolicExpressionTree);
+      UpdateView();
+    }
+
+    private void treeChart_SymbolicExpressionTreeNodeChanged(object sender, EventArgs e) {
+      var dialog = (ValueChangeDialog)sender;
+      bool flag1 = false, flag2 = false;
+      var node = dialog.Content;
+
+      if (node is VariableTreeNode) {
+        var variable = (VariableTreeNode)node;
+        var weight = double.Parse(dialog.newValueTextBox.Text);
+        var name = (string)dialog.variableNamesCombo.SelectedItem;
+        if (!variable.Weight.Equals(weight)) {
+          flag1 = true;
+          originalValues[variable] = variable.Weight;
+          variable.Weight = weight;
+        }
+        if (!variable.VariableName.Equals(name)) {
+          flag2 = true;
+          originalVariableNames[variable] = variable.VariableName;
+          variable.VariableName = name;
+        }
+      } else if (node is ConstantTreeNode) {
+        var constant = (ConstantTreeNode)node;
+        var value = double.Parse(dialog.newValueTextBox.Text);
+        if (!constant.Value.Equals(value)) {
+          flag1 = true;
+          originalValues[constant] = constant.Value;
+          constant.Value = value;
+        }
+      }
+      if (flag1 || flag2) {
+        UpdateView();
       }
     }
@@ -168 +201 @@
       double min = impacts.Min();
       foreach (ISymbolicExpressionTreeNode treeNode in Content.Model.SymbolicExpressionTree.IterateNodesPostfix()) {
+        VisualSymbolicExpressionTreeNode visualTree = treeChart.GetVisualSymbolicExpressionTreeNode(treeNode);
+        bool flag1 = replacementNodes.ContainsKey(treeNode);
+        bool flag2 = originalValues.ContainsKey(treeNode);
+        bool flag3 = treeNode is ConstantTreeNode;
+
+        if (flag2) // constant or variable node was changed
+          visualTree.ToolTip += Environment.NewLine + "Original value: " + originalValues[treeNode];
+        else if (flag1 && flag3) // symbol node was folded to a constant
+          visualTree.ToolTip += Environment.NewLine + "Original node: " + replacementNodes[treeNode];
+
         if (!(treeNode is ConstantTreeNode) && nodeImpacts.ContainsKey(treeNode)) {
           double impact = nodeImpacts[treeNode];
-          VisualSymbolicExpressionTreeNode visualTree = treeChart.GetVisualSymbolicExpressionTreeNode(treeNode);
 
           // impact = 0 if no change
@@ -197 +239 @@
     private void PaintCollapsedNodes() {
       foreach (ISymbolicExpressionTreeNode treeNode in Content.Model.SymbolicExpressionTree.IterateNodesPostfix()) {
-        if (treeNode is ConstantTreeNode && replacementNodes.ContainsKey(treeNode))
-          this.treeChart.GetVisualSymbolicExpressionTreeNode(treeNode).LineColor = Color.DarkOrange;
-        else {
-          VisualSymbolicExpressionTreeNode visNode = treeChart.GetVisualSymbolicExpressionTreeNode(treeNode);
-          if (visNode != null)
-            visNode.LineColor = Color.Black;
+        bool flag1 = replacementNodes.ContainsKey(treeNode);
+        bool flag2 = originalValues.ContainsKey(treeNode);
+        if (flag1 && treeNode is ConstantTreeNode) {
+          this.treeChart.GetVisualSymbolicExpressionTreeNode(treeNode).LineColor = flag2 ? Color.DarkViolet : Color.DarkOrange;
+        } else if (flag2) {
+          this.treeChart.GetVisualSymbolicExpressionTreeNode(treeNode).LineColor = Color.DodgerBlue;
         }
       }
@@ -208 +250 @@
 
     private void btnSimplify_Click(object sender, EventArgs e) {
-      SymbolicDataAnalysisExpressionTreeSimplifier simplifier = new SymbolicDataAnalysisExpressionTreeSimplifier();
+      var simplifier = new SymbolicDataAnalysisExpressionTreeSimplifier();
       var simplifiedExpressionTree = simplifier.Simplify(Content.Model.SymbolicExpressionTree);
       UpdateModel(simplifiedExpressionTree);

@@ +1 @@
+*.user
+Plugin.cs
 bin
 obj
-*.user
-HeuristicLabProblemsDataAnalysisSymbolicViewsPlugin.cs
-*.vs10x
-Plugin.cs