[log] Add bek button.

platform/vcs-log/api/src/com/intellij/vcs/log/graph/BekGraphAction.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.vcs.log.graph;
+
+import org.jetbrains.annotations.NotNull;
+
+public class BekGraphAction implements GraphAction {
+
+  @NotNull
+  private final PermanentGraph.SortType mySortType;
+
+  public BekGraphAction(@NotNull PermanentGraph.SortType sortType) {
+    mySortType = sortType;
+  }
+
+  @NotNull
+  public PermanentGraph.SortType getSortType() {
+    return mySortType;
+  }
+}

platform/vcs-log/api/src/com/intellij/vcs/log/graph/GraphFacade.java

@@ -78,8 +78,6 @@ public interface GraphFacade {
    */
   void setFilter(@Nullable Condition<Integer> visibilityPredicate);
 
-  void setSortType(@NotNull PermanentGraph.SortType sortType);
-
   /**
    * Returns the provider of some information about the graph.
    */

platform/vcs-log/graph/src/com/intellij/vcs/log/DelegateGraphFacade.java

@@ -36,6 +36,21 @@ import java.util.List;
 import java.util.Set;
 
 public class DelegateGraphFacade implements GraphFacade {
+  @NotNull
+  public static final GraphAnswer JUMP_TO_0_GRAPH_ANSWER = new GraphAnswer() {
+    @Nullable
+    @Override
+    public GraphChange getGraphChange() {
+      return new GraphChange() {
+      };
+    }
+
+    @Nullable
+    @Override
+    public GraphActionRequest getActionRequest() {
+      return new JumpToRowActionRequest(0);
+    }
+  };
 
   @NotNull
   private final PermanentGraph<Integer> myPermanentGraph;
@@ -124,19 +139,13 @@ public class DelegateGraphFacade implements GraphFacade {
     if (action instanceof LinearBranchesExpansionAction) {
       boolean shouldExpand = ((LinearBranchesExpansionAction)action).shouldExpand();
       actionController.setLinearBranchesExpansion(!shouldExpand);
-      return new GraphAnswer() {
-        @Nullable
-        @Override
-        public GraphChange getGraphChange() {
-          return new GraphChange() {};
-        }
+      return JUMP_TO_0_GRAPH_ANSWER;
+    }
 
-        @Nullable
-        @Override
-        public GraphActionRequest getActionRequest() {
-          return new JumpToRowActionRequest(0);
-        }
-      };
+    if (action instanceof BekGraphAction) {
+      mySortType = ((BekGraphAction)action).getSortType();
+      updateVisibleGraph();
+      return JUMP_TO_0_GRAPH_ANSWER;
     }
 
     return null;
@@ -211,12 +220,6 @@ public class DelegateGraphFacade implements GraphFacade {
       updateVisibleGraph();
   }
 
-  @Override
-  public void setSortType(@NotNull PermanentGraph.SortType sortType) {
-    mySortType = sortType;
-    updateVisibleGraph();
-  }
-
   @NotNull
   @Override
   public GraphInfoProvider getInfoProvider() {

platform/vcs-log/impl/src/com/intellij/vcs/log/data/EmptyGraphFacade.java

@@ -79,10 +79,6 @@ class EmptyGraphFacade implements GraphFacade {
   public void setFilter(@Nullable Condition<Integer> visibilityPredicate) {
   }
 
-  @Override
-  public void setSortType(@NotNull PermanentGraph.SortType sortType) {
-  }
-
   @NotNull
   @Override
   public GraphInfoProvider getInfoProvider() {

platform/vcs-log/impl/src/com/intellij/vcs/log/data/VcsLogUiProperties.java

@@ -42,6 +42,7 @@ public class VcsLogUiProperties implements PersistentStateComponent<VcsLogUiProp
   public static class State {
     public boolean SHOW_DETAILS = true;
     public boolean LONG_EDGES_VISIBLE = false;
+    public boolean BEK_SORT = false;
     public Deque<UserGroup> RECENTLY_FILTERED_USER_GROUPS = new ArrayDeque<UserGroup>();
     public Deque<UserGroup> RECENTLY_FILTERED_BRANCH_GROUPS = new ArrayDeque<UserGroup>();
   }
@@ -117,6 +118,14 @@ public class VcsLogUiProperties implements PersistentStateComponent<VcsLogUiProp
     myState.LONG_EDGES_VISIBLE = visible;
   }
 
+  public boolean isBek() {
+    return myState.BEK_SORT;
+  }
+
+  public void setBek(boolean isBek) {
+    myState.BEK_SORT = isBek;
+  }
+
   public static class UserGroup {
     public List<String> users = new ArrayList<String>();
 

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/VcsLogUiImpl.java

@@ -134,7 +134,6 @@ public class VcsLogUiImpl implements VcsLogUi, Disposable {
           @Override
           public void run() {
             handleAnswer(answer);
-            jumpToRow(0);
           }
         });
       }
@@ -150,7 +149,6 @@ public class VcsLogUiImpl implements VcsLogUi, Disposable {
           @Override
           public void run() {
             handleAnswer(answer);
-            jumpToRow(0);
           }
         });
       }
@@ -166,6 +164,27 @@ public class VcsLogUiImpl implements VcsLogUi, Disposable {
     return myDataPack.getGraphFacade().getInfoProvider().areLongEdgesHidden();
   }
 
+  public void setBek(boolean bek) {
+    myUiProperties.setBek(bek);
+    final BekGraphAction bekGraphAction = new BekGraphAction(bek ? PermanentGraph.SortType.Bek : PermanentGraph.SortType.Normal);
+    runUnderModalProgress("Apply sort type...", new Runnable() {
+      @Override
+      public void run() {
+        final GraphAnswer answer = myDataPack.getGraphFacade().performAction(bekGraphAction);
+        UIUtil.invokeLaterIfNeeded(new Runnable() {
+          @Override
+          public void run() {
+            handleAnswer(answer);
+          }
+        });
+      }
+    });
+  }
+
+  public boolean isBek() {
+    return myUiProperties.isBek();
+  }
+
   public void click(int rowIndex) {
     handleAnswer(myDataPack.getGraphFacade().performAction(new ClickGraphAction(rowIndex, null)));
   }
@@ -300,6 +319,7 @@ public class VcsLogUiImpl implements VcsLogUi, Disposable {
             setModel(newModel, myDataPack, previouslySelected);
             myMainFrame.updateDataPack(myDataPack);
             setLongEdgeVisibility(myUiProperties.areLongEdgesVisible());
+            setBek(myUiProperties.isBek());
             fireFilterChangeEvent();
             repaintUI();
 

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/MainFrame.java

@@ -163,6 +163,8 @@ public class MainFrame extends JPanel implements TypeSafeDataProvider {
   }
 
   private JComponent createActionsToolbar() {
+    AnAction bekAction = new BekAction();
+
     AnAction hideBranchesAction = new GraphAction("Collapse linear branches", "Collapse linear branches", VcsLogIcons.CollapseBranches) {
       @Override
       public void actionPerformed(AnActionEvent e) {
@@ -194,7 +196,7 @@ public class MainFrame extends JPanel implements TypeSafeDataProvider {
 
     refreshAction.registerShortcutOn(this);
 
-    DefaultActionGroup toolbarGroup = new DefaultActionGroup(hideBranchesAction, showBranchesAction, showFullPatchAction, refreshAction,
+    DefaultActionGroup toolbarGroup = new DefaultActionGroup(bekAction, hideBranchesAction, showBranchesAction, showFullPatchAction, refreshAction,
                                                              showDetailsAction);
     toolbarGroup.add(ActionManager.getInstance().getAction(VcsLogUiImpl.TOOLBAR_ACTION_GROUP));
 
@@ -276,6 +278,28 @@ public class MainFrame extends JPanel implements TypeSafeDataProvider {
     }
   }
 
+  private class BekAction extends ToggleAction implements DumbAware {
+    public BekAction() {
+      super("BEK", "BEK", AllIcons.Actions.Lightning);
+    }
+
+    @Override
+    public boolean isSelected(AnActionEvent e) {
+      return myUI.isBek();
+    }
+
+    @Override
+    public void setSelected(AnActionEvent e, boolean state) {
+      myUI.setBek(state);
+    }
+
+    @Override
+    public void update(AnActionEvent e) {
+      super.update(e);
+      e.getPresentation().setEnabled(areGraphActionsEnabled());
+    }
+  }
+
   private class ShowDetailsAction extends ToggleAction implements DumbAware {
 
     public ShowDetailsAction() {