IDEA-19061 Integrate the Rearranger-plugin into core-IDE

Use 'inactive' atom condition close icon when mouse leaves the list component

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/newui/ArrangementListRowDecorator.java

@@ -119,7 +119,7 @@ public class ArrangementListRowDecorator extends JPanel implements ArrangementMa
 
   @Override
   public void setSelected(boolean selected) {
-    // TODO den implement 
+    myDelegate.setSelected(selected); 
   }
 
   @Nullable
@@ -133,9 +133,10 @@ public class ArrangementListRowDecorator extends JPanel implements ArrangementMa
     myDelegate.onMouseClick(event); 
   }
 
+  @Nullable
   @Override
-  public void onMouseExited() {
-    myDelegate.onMouseExited(); 
+  public Rectangle onMouseExited() {
+    return myDelegate.onMouseExited(); 
   }
 
   @Override

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/newui/ArrangementMatchingRulesList.java

@@ -28,6 +28,8 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
 import java.awt.*;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
@@ -61,10 +63,13 @@ public class ArrangementMatchingRulesList extends JBList {
       @Override public void mouseMoved(MouseEvent e) { onMouseMoved(e); }
     });
     addMouseListener(new MouseAdapter() {
-      @Override public void mouseExited(MouseEvent e) { onMouseExited(); }
+      @Override public void mouseExited(MouseEvent e) { onMouseExited(e); }
       @Override public void mouseEntered(MouseEvent e) { onMouseEntered(e); }
       @Override public void mouseClicked(MouseEvent e) { onMouseClicked(e); }
     });
+    addListSelectionListener(new ListSelectionListener() {
+      @Override public void valueChanged(ListSelectionEvent e) { onSelectionChange(e); }
+    });
   }
 
   public void setRules(@Nullable List<StdArrangementMatchRule> rules) {
@@ -90,13 +95,17 @@ public class ArrangementMatchingRulesList extends JBList {
   private void onMouseMoved(@NotNull MouseEvent e) {
     int i = locationToIndex(e.getPoint());
     if (i != myRowUnderMouse) {
-      onMouseExited();
+      onMouseExited(e);
     }
     
     if (i < 0) {
       return;
     }
 
+    if (i != myRowUnderMouse) {
+      onMouseEntered(e);
+    }
+
     ArrangementListRowDecorator decorator = myComponents.get(i);
     if (decorator == null) {
       return;
@@ -128,19 +137,34 @@ public class ArrangementMatchingRulesList extends JBList {
     }
   }
   
-  private void onMouseExited() {
+  private void onMouseExited(@NotNull MouseEvent e) {
     if (myRowUnderMouse < 0) {
       return;
     }
 
     ArrangementListRowDecorator decorator = myComponents.get(myRowUnderMouse);
-    if (decorator != null) {
-      decorator.onMouseExited();
+    if (decorator == null) {
+      return;
+    }
+
+    Rectangle rectangle = decorator.onMouseExited();
+    if (rectangle != null) {
+      repaintScreenBounds(rectangle);
     }
   }
 
   private void onMouseEntered(@NotNull MouseEvent e) {
-    // TODO den implement
+    myRowUnderMouse = locationToIndex(e.getPoint());
+  }
+
+  private void onSelectionChange(@NotNull ListSelectionEvent e) {
+    ListSelectionModel model = getSelectionModel();
+    for (int i = e.getFirstIndex(); i <= e.getLastIndex(); i++) {
+      ArrangementListRowDecorator decorator = myComponents.get(i);
+      if (decorator != null) {
+        decorator.setSelected(model.isSelectedIndex(i));
+      }
+    }
   }
 
   @NotNull

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/node/match/ArrangementAndMatchConditionComponent.java

@@ -184,11 +184,16 @@ public class ArrangementAndMatchConditionComponent extends JPanel implements Arr
     }
   }
 
+  @Nullable
   @Override
-  public void onMouseExited() {
+  public Rectangle onMouseExited() {
     for (ArrangementMatchConditionComponent component : myComponents) {
-      component.onMouseExited();
+      Rectangle bounds = component.onMouseExited();
+      if (bounds != null) {
+        return bounds;
+      }
     }
+    return null;
   }
 
   @Override

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/node/match/ArrangementAtomMatchConditionComponent.java

@@ -224,9 +224,12 @@ public class ArrangementAtomMatchConditionComponent implements ArrangementMatchC
     }
   }
 
+  @Nullable
   @Override
-  public void onMouseExited() {
+  public Rectangle onMouseExited() {
+    Rectangle result = myCloseButtonHovered ? getCloseButtonScreenLocation() : null;
     myCloseButtonHovered = false;
+    return result;
   }
 
   @Nullable

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/node/match/ArrangementEditIconMatchConditionComponent.java

@@ -184,7 +184,9 @@ public class ArrangementEditIconMatchConditionComponent extends JPanel implement
     return "'edit' decorator for " + myDelegate.toString();
   }
 
+  @Nullable
   @Override
-  public void onMouseExited() {
+  public Rectangle onMouseExited() {
+    return null;
   }
 }

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/node/match/ArrangementGroupingMatchConditionComponent.java

@@ -121,7 +121,9 @@ public class ArrangementGroupingMatchConditionComponent extends JPanel implement
     }
   }
 
+  @Nullable
   @Override
-  public void onMouseExited() {
+  public Rectangle onMouseExited() {
+    return null;
   }
 }

platform/lang-impl/src/com/intellij/application/options/codeStyle/arrangement/node/match/ArrangementMatchConditionComponent.java

@@ -81,5 +81,6 @@ public interface ArrangementMatchConditionComponent {
 
   void onMouseClick(@NotNull MouseEvent event);
 
-  void onMouseExited();
+  @Nullable
+  Rectangle onMouseExited();
 }