plugins/svn4idea/src/org/jetbrains/idea/svn/dialogs/CopiesPanel.java - platform/tools/idea - Git at Google

 /*
  * Copyright 2000-2010 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 org.jetbrains.idea.svn.dialogs;

 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.application.ModalityState;
 import com.intellij.openapi.diagnostic.Logger;
 import com.intellij.openapi.progress.ProgressManager;
 import com.intellij.openapi.progress.Task;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.vcs.ObjectsConvertor;
 import com.intellij.openapi.vcs.VcsException;
 import com.intellij.openapi.vfs.LocalFileSystem;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.openapi.wm.IdeFocusManager;
 import com.intellij.ui.ColorUtil;
 import com.intellij.ui.DottedBorder;
 import com.intellij.ui.JBColor;
 import com.intellij.ui.ScrollPaneFactory;
 import com.intellij.ui.components.labels.LinkLabel;
 import com.intellij.ui.components.labels.LinkListener;
 import com.intellij.util.Consumer;
 import com.intellij.util.containers.Convertor;
 import com.intellij.util.io.EqualityPolicy;
 import com.intellij.util.messages.MessageBusConnection;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.idea.svn.NestedCopyType;
 import org.jetbrains.idea.svn.SvnVcs;
 import org.jetbrains.idea.svn.WorkingCopyFormat;
 import org.jetbrains.idea.svn.actions.CleanupWorker;
 import org.jetbrains.idea.svn.actions.SelectBranchPopup;
 import org.jetbrains.idea.svn.branchConfig.SvnBranchConfigurationNew;
 import org.jetbrains.idea.svn.checkout.SvnCheckoutProvider;
 import org.jetbrains.idea.svn.integrate.QuickMergeInteractionImpl;
 import org.tmatesoft.svn.core.SVNDepth;
 import org.tmatesoft.svn.core.internal.util.SVNPathUtil;
 import org.tmatesoft.svn.core.wc.SVNRevision;

 import javax.swing.*;
 import javax.swing.border.Border;
 import javax.swing.event.HyperlinkEvent;
 import javax.swing.event.HyperlinkListener;
 import java.awt.*;
 import java.awt.event.FocusAdapter;
 import java.awt.event.FocusEvent;
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
 import java.io.File;
 import java.util.*;
 import java.util.List;

 public class CopiesPanel {

   private static final Logger LOG = Logger.getInstance(CopiesPanel.class);

   private final Project myProject;
   private MessageBusConnection myConnection;
   private SvnVcs myVcs;
   private JPanel myPanel;
   private JComponent myHolder;
   private LinkLabel myRefreshLabel;
   // updated only on AWT
   private List<OverrideEqualsWrapper<WCInfo>> myCurrentInfoList;
   private int myTextHeight;

   private final static String CHANGE_FORMAT = "CHANGE_FORMAT";
   private final static String CLEANUP = "CLEANUP";
   private final static String FIX_DEPTH = "FIX_DEPTH";
   private final static String CONFIGURE_BRANCHES = "CONFIGURE_BRANCHES";
   private final static String MERGE_FROM = "MERGE_FROM";

   public CopiesPanel(final Project project) {
     myProject = project;
     myConnection = myProject.getMessageBus().connect(myProject);
     myVcs = SvnVcs.getInstance(myProject);
     myCurrentInfoList = null;

     final Runnable focus = new Runnable() {
       @Override
       public void run() {
         IdeFocusManager.getInstance(myProject).requestFocus(myRefreshLabel, true);
       }
     };
     final Runnable refreshView = new Runnable() {
       @Override
       public void run() {
         final List<WCInfo> infoList = myVcs.getAllWcInfos();
         final List<WorkingCopyFormat> supportedFormats = getSupportedFormats();
         Runnable runnable = new Runnable() {
           @Override
           public void run() {
             if (myCurrentInfoList != null) {
               final List<OverrideEqualsWrapper<WCInfo>> newList =
                 ObjectsConvertor.convert(infoList, new Convertor<WCInfo, OverrideEqualsWrapper<WCInfo>>() {
                   @Override
                   public OverrideEqualsWrapper<WCInfo> convert(WCInfo o) {
                     return new OverrideEqualsWrapper<WCInfo>(InfoEqualityPolicy.getInstance(), o);
                   }
                 }, ObjectsConvertor.NOT_NULL);

               if (Comparing.haveEqualElements(newList, myCurrentInfoList)) {
                 myRefreshLabel.setEnabled(true);
                 return;
               }
               myCurrentInfoList = newList;
             }
             Collections.sort(infoList, WCComparator.getInstance());
             updateList(infoList, supportedFormats);
             myRefreshLabel.setEnabled(true);
             SwingUtilities.invokeLater(focus);
           }
         };
         ApplicationManager.getApplication().invokeLater(runnable, ModalityState.NON_MODAL);
       }
     };
     final Consumer<Boolean> refreshOnPooled = new Consumer<Boolean>() {
       @Override
       public void consume(Boolean somethingNew) {
         if (Boolean.TRUE.equals(somethingNew)) {
           if (ApplicationManager.getApplication().isUnitTestMode()) {
             refreshView.run();
           }
           else {
             ApplicationManager.getApplication().executeOnPooledThread(refreshView);
           }
         } else {
           ApplicationManager.getApplication().invokeLater(new Runnable() {
             @Override
             public void run() {
               myRefreshLabel.setEnabled(true);
             }
           }, ModalityState.NON_MODAL);
         }
       }
     };
     myConnection.subscribe(SvnVcs.ROOTS_RELOADED, refreshOnPooled);

     final JPanel holderPanel = new JPanel(new BorderLayout());
     FontMetrics fm = holderPanel.getFontMetrics(holderPanel.getFont());
     myTextHeight = (int)(fm.getHeight() * 1.3);
     myPanel = new JPanel(new GridBagLayout());
     final JPanel panel = new JPanel(new BorderLayout());
     panel.add(myPanel, BorderLayout.NORTH);
     holderPanel.add(panel, BorderLayout.WEST);
     myRefreshLabel = new MyLinkLabel(myTextHeight, "Refresh", new LinkListener() {
       @Override
       public void linkSelected(LinkLabel aSource, Object aLinkData) {
         if (myRefreshLabel.isEnabled()) {
           myVcs.invokeRefreshSvnRoots();
           myRefreshLabel.setEnabled(false);
         }
       }
     });
     final JScrollPane pane = ScrollPaneFactory.createScrollPane(holderPanel);
     myHolder = pane;
     final JScrollBar vBar = pane.getVerticalScrollBar();
     vBar.setBlockIncrement(vBar.getBlockIncrement() * 5);
     vBar.setUnitIncrement(vBar.getUnitIncrement() * 5);
     myHolder.setBorder(null);
     setFocusableForLinks(myRefreshLabel);
     refreshOnPooled.consume(true);
     initView();
   }

   public JComponent getPreferredFocusedComponent() {
     return myRefreshLabel;
   }

   private void updateList(@NotNull final List<WCInfo> infoList, @NotNull final List<WorkingCopyFormat> supportedFormats) {
     myPanel.removeAll();
     final Insets nullIndent = new Insets(1, 3, 1, 0);
     final GridBagConstraints gb =
       new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(2, 2, 0, 0), 0, 0);
     gb.insets.left = 4;
     myPanel.add(myRefreshLabel, gb);
     gb.insets.left = 1;

     final LocalFileSystem lfs = LocalFileSystem.getInstance();
     final Insets topIndent = new Insets(10, 3, 0, 0);
     for (final WCInfo wcInfo : infoList) {
       final VirtualFile vf = lfs.refreshAndFindFileByIoFile(new File(wcInfo.getPath()));
       final VirtualFile root = (vf == null) ? wcInfo.getVcsRoot() : vf;

       final JEditorPane editorPane = new JEditorPane(UIUtil.HTML_MIME, "");
       editorPane.setEditable(false);
       editorPane.setFocusable(true);
       editorPane.setBackground(UIUtil.getPanelBackground());
       editorPane.setOpaque(false);
       editorPane.addHyperlinkListener(new HyperlinkListener() {
         @Override
         public void hyperlinkUpdate(HyperlinkEvent e) {
           if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
             if (CONFIGURE_BRANCHES.equals(e.getDescription())) {
               if (! checkRoot(root, wcInfo.getPath(), " invoke Configure Branches")) return;
               BranchConfigurationDialog.configureBranches(myProject, root, true);
             } else if (FIX_DEPTH.equals(e.getDescription())) {
               final int result =
                 Messages.showOkCancelDialog(myVcs.getProject(), "You are going to checkout into '" + wcInfo.getPath() + "' with 'infinity' depth.\n" +
                                                         "This will update your working copy to HEAD revision as well.",
                                     "Set Working Copy Infinity Depth",
                                     Messages.getWarningIcon());
               if (result == 0) {
                 // update of view will be triggered by roots changed event
                 SvnCheckoutProvider.checkout(myVcs.getProject(), new File(wcInfo.getPath()), wcInfo.getRootUrl(), SVNRevision.HEAD,
                                              SVNDepth.INFINITY, false, null, wcInfo.getFormat());
               }
             } else if (CHANGE_FORMAT.equals(e.getDescription())) {
               changeFormat(wcInfo, supportedFormats);
             } else if (MERGE_FROM.equals(e.getDescription())) {
               if (! checkRoot(root, wcInfo.getPath(), " invoke Merge From")) return;
               mergeFrom(wcInfo, root, editorPane);
             } else if (CLEANUP.equals(e.getDescription())) {
               if (! checkRoot(root, wcInfo.getPath(), " invoke Cleanup")) return;
               new CleanupWorker(new VirtualFile[] {root}, myVcs.getProject(), "action.Subversion.cleanup.progress.title").execute();
             }
           }
         }

         private boolean checkRoot(VirtualFile root, final String path, final String actionName) {
           if (root == null) {
             Messages.showWarningDialog(myProject, "Invalid working copy root: " + path, "Can not " + actionName);
             return false;
           }
           return true;
         }
       });
       editorPane.setBorder(null);
       editorPane.setText(formatWc(wcInfo, supportedFormats));

       final JPanel copyPanel = new JPanel(new GridBagLayout());

       final GridBagConstraints gb1 =
         new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, nullIndent, 0, 0);
       gb1.insets.top = 1;
       gb1.gridwidth = 3;

       gb.insets = topIndent;
       gb.fill = GridBagConstraints.HORIZONTAL;
       ++ gb.gridy;

       final JPanel contForCopy = new JPanel(new BorderLayout());
       contForCopy.add(copyPanel, BorderLayout.WEST);
       myPanel.add(contForCopy, gb);

       copyPanel.add(editorPane, gb1);
       gb1.insets = nullIndent;
     }

     myPanel.revalidate();
     myPanel.repaint();
   }

   @SuppressWarnings("MethodMayBeStatic")
   private String formatWc(@NotNull WCInfo info, @NotNull List<WorkingCopyFormat> supportedFormats) {
     final StringBuilder sb = new StringBuilder().append("<html><head>").append(UIUtil.getCssFontDeclaration(UIUtil.getLabelFont()))
       .append("</head><body><table bgColor=\"").append(ColorUtil.toHex(UIUtil.getPanelBackground())).append("\">");

     sb.append("<tr valign=\"top\"><td colspan=\"3\"><b>").append(info.getPath()).append("</b></td></tr>");
     sb.append("<tr valign=\"top\"><td>URL:</td><td colspan=\"2\">").append(info.getRootUrl()).append("</td></tr>");
     Collection<WorkingCopyFormat> upgradeFormats = getUpgradeFormats(info, supportedFormats);
     if (upgradeFormats.size() > 1) {
       sb.append("<tr valign=\"top\"><td>Format:</td><td>").append(info.getFormat().getName()).append("</td><td><a href=\"").
         append(CHANGE_FORMAT).append("\">Change</a></td></tr>");
     } else {
       sb.append("<tr valign=\"top\"><td>Format:</td><td colspan=\"2\">").append(info.getFormat().getName()).append("</td></tr>");
     }

     if (! SVNDepth.INFINITY.equals(info.getStickyDepth())) {
       // can fix
       sb.append("<tr valign=\"top\"><td>Depth:</td><td>").append(info.getStickyDepth().getName()).append("</td><td><a href=\"").
         append(FIX_DEPTH).append("\">Fix</a></td></tr>");
     } else {
       sb.append("<tr valign=\"top\"><td>Depth:</td><td colspan=\"2\">").append(info.getStickyDepth().getName()).append("</td></tr>");
     }

     final NestedCopyType type = info.getType();
     if (NestedCopyType.external.equals(type) || NestedCopyType.switched.equals(type)) {
       sb.append("<tr valign=\"top\"><td colspan=\"3\"><i>").append(type.getName()).append("</i></td></tr>");
     }
     if (info.isIsWcRoot()) {
       sb.append("<tr valign=\"top\"><td colspan=\"3\"><i>").append("Working copy root</i></td></tr>");
     }
     if (WorkingCopyFormat.ONE_DOT_SEVEN.equals(info.getFormat()) || WorkingCopyFormat.ONE_DOT_EIGHT.equals(info.getFormat())) {
       sb.append("<tr valign=\"top\"><td colspan=\"3\"><a href=\"").append(CLEANUP).append("\">Cleanup</a></td></tr>");
     }
     sb.append("<tr valign=\"top\"><td colspan=\"3\"><a href=\"").append(CONFIGURE_BRANCHES).append("\">Configure Branches</a></td></tr>");
     sb.append("<tr valign=\"top\"><td colspan=\"3\"><a href=\"").append(MERGE_FROM).append("\"><b>Merge From...</b></a></i></td></tr>");

     sb.append("</table></body></html>");
     return sb.toString();
   }

   @NotNull
   private List<WorkingCopyFormat> getSupportedFormats() {
     List<WorkingCopyFormat> result = Collections.emptyList();

     try {
       result = myVcs.getFactory().createUpgradeClient().getSupportedFormats();
     }
     catch (VcsException e) {
       LOG.info(e);
     }

     return result;
   }

   public static Set<WorkingCopyFormat> getUpgradeFormats(@NotNull WCInfo info, @NotNull List<WorkingCopyFormat> supportedFormats) {
     Set<WorkingCopyFormat> canUpgradeTo = EnumSet.noneOf(WorkingCopyFormat.class);

     for (WorkingCopyFormat format : supportedFormats) {
       if (format.isOrGreater(info.getFormat())) {
         canUpgradeTo.add(format);
       }
     }
     canUpgradeTo.add(info.getFormat());

     return canUpgradeTo;
   }

   private void mergeFrom(@NotNull final WCInfo wcInfo, @NotNull final VirtualFile root, @Nullable final Component mergeLabel) {
     SelectBranchPopup.showForBranchRoot(myProject, root, new SelectBranchPopup.BranchSelectedCallback() {
       @Override
       public void branchSelected(Project project, SvnBranchConfigurationNew configuration, String url, long revision) {
         new QuickMerge(project, url, wcInfo, SVNPathUtil.tail(url), root).execute(new QuickMergeInteractionImpl(myProject));
       }
     }, "Select branch", mergeLabel);
   }

   @SuppressWarnings("MethodMayBeStatic")
   private void setFocusableForLinks(final LinkLabel label) {
     final Border border = new DottedBorder(new Insets(1,2,1,1), JBColor.BLACK);
     label.setFocusable(true);
     label.addFocusListener(new FocusAdapter() {
       @Override
       public void focusGained(FocusEvent e) {
         super.focusGained(e);
         label.setBorder(border);
       }

       @Override
       public void focusLost(FocusEvent e) {
         super.focusLost(e);
         label.setBorder(null);
       }
     });
     label.addKeyListener(new KeyAdapter() {
       @Override
       public void keyPressed(KeyEvent e) {
         if (KeyEvent.VK_ENTER == e.getKeyCode()) {
           label.doClick();
         }
       }
     });
   }

   private void changeFormat(@NotNull final WCInfo wcInfo, @NotNull final List<WorkingCopyFormat> supportedFormats) {
     ChangeFormatDialog dialog = new ChangeFormatDialog(myProject, new File(wcInfo.getPath()), false, ! wcInfo.isIsWcRoot());

     dialog.setSupported(supportedFormats);
     dialog.setData(wcInfo.getFormat());
     dialog.show();
     if (! dialog.isOK()) {
       return;
     }
     final WorkingCopyFormat newFormat = dialog.getUpgradeMode();
     if (!wcInfo.getFormat().equals(newFormat)) {
       ApplicationManager.getApplication().saveAll();
       final Task.Backgroundable task = new SvnFormatWorker(myProject, newFormat, wcInfo) {
         @Override
         public void onSuccess() {
           super.onSuccess();
           myRefreshLabel.doClick();
         }
       };
       ProgressManager.getInstance().run(task);
     }
   }

   private void initView() {
     myRefreshLabel.doClick();
   }

   public JComponent getComponent() {
     return myHolder;
   }

   public static class OverrideEqualsWrapper<T> {
     private final EqualityPolicy<T> myPolicy;
     private final T myT;

     public OverrideEqualsWrapper(EqualityPolicy<T> policy, T t) {
       myPolicy = policy;
       myT = t;
     }

     public T getT() {
       return myT;
     }

     @Override
     public boolean equals(Object o) {
       if (this == o) return true;
       if (o == null || getClass() != o.getClass()) return false;
       final OverrideEqualsWrapper<T> that = (OverrideEqualsWrapper<T>) o;

       return myPolicy.isEqual(myT, that.getT());
     }

     @Override
     public int hashCode() {
       return myPolicy.getHashCode(myT);
     }
   }

   private static class InfoEqualityPolicy implements EqualityPolicy<WCInfo> {
     private final static InfoEqualityPolicy ourInstance = new InfoEqualityPolicy();

     public static InfoEqualityPolicy getInstance() {
       return ourInstance;
     }

     private static class HashCodeBuilder {
       private int myCode;

       private HashCodeBuilder() {
         myCode = 0;
       }

       public void append(final Object o) {
         myCode = 31 * myCode + (o != null ? o.hashCode() : 0);
       }

       public int getCode() {
         return myCode;
       }
     }

     @Override
     public int getHashCode(WCInfo value) {
       final HashCodeBuilder builder = new HashCodeBuilder();
       builder.append(value.getPath());
       builder.append(value.getUrl());
       builder.append(value.getFormat());
       builder.append(value.getType());
       builder.append(value.getStickyDepth());

       return builder.getCode();
     }

     @Override
     public boolean isEqual(WCInfo val1, WCInfo val2) {
       if (val1 == val2) return true;
       if (val1 == null || val2 == null || val1.getClass() != val2.getClass()) return false;

       if (! Comparing.equal(val1.getFormat(), val2.getFormat())) return false;
       if (! Comparing.equal(val1.getPath(), val2.getPath())) return false;
       if (! Comparing.equal(val1.getStickyDepth(), val2.getStickyDepth())) return false;
       if (! Comparing.equal(val1.getType(), val2.getType())) return false;
       if (! Comparing.equal(val1.getUrl(), val2.getUrl())) return false;

       return true;
     }
   }

   private static class WCComparator implements Comparator<WCInfo> {
     private final static WCComparator ourComparator = new WCComparator();

     public static WCComparator getInstance() {
       return ourComparator;
     }

     @Override
     public int compare(WCInfo o1, WCInfo o2) {
       return o1.getPath().compareTo(o2.getPath());
     }
   }

   private static class MyLinkLabel extends LinkLabel {
     private final int myHeight;

     public MyLinkLabel(final int height, final String text, final LinkListener linkListener) {
       super(text, null, linkListener);
       myHeight = height;
     }

     @Override
     public Dimension getPreferredSize() {
       final Dimension preferredSize = super.getPreferredSize();
       return new Dimension(preferredSize.width, myHeight);
     }
   }
 }
	/*
	* Copyright 2000-2010 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 org.jetbrains.idea.svn.dialogs;

	import com.intellij.openapi.application.ApplicationManager;
	import com.intellij.openapi.application.ModalityState;
	import com.intellij.openapi.diagnostic.Logger;
	import com.intellij.openapi.progress.ProgressManager;
	import com.intellij.openapi.progress.Task;
	import com.intellij.openapi.project.Project;
	import com.intellij.openapi.ui.Messages;
	import com.intellij.openapi.util.Comparing;
	import com.intellij.openapi.vcs.ObjectsConvertor;
	import com.intellij.openapi.vcs.VcsException;
	import com.intellij.openapi.vfs.LocalFileSystem;
	import com.intellij.openapi.vfs.VirtualFile;
	import com.intellij.openapi.wm.IdeFocusManager;
	import com.intellij.ui.ColorUtil;
	import com.intellij.ui.DottedBorder;
	import com.intellij.ui.JBColor;
	import com.intellij.ui.ScrollPaneFactory;
	import com.intellij.ui.components.labels.LinkLabel;
	import com.intellij.ui.components.labels.LinkListener;
	import com.intellij.util.Consumer;
	import com.intellij.util.containers.Convertor;
	import com.intellij.util.io.EqualityPolicy;
	import com.intellij.util.messages.MessageBusConnection;
	import com.intellij.util.ui.UIUtil;
	import org.jetbrains.annotations.NotNull;
	import org.jetbrains.annotations.Nullable;
	import org.jetbrains.idea.svn.NestedCopyType;
	import org.jetbrains.idea.svn.SvnVcs;
	import org.jetbrains.idea.svn.WorkingCopyFormat;
	import org.jetbrains.idea.svn.actions.CleanupWorker;
	import org.jetbrains.idea.svn.actions.SelectBranchPopup;
	import org.jetbrains.idea.svn.branchConfig.SvnBranchConfigurationNew;
	import org.jetbrains.idea.svn.checkout.SvnCheckoutProvider;
	import org.jetbrains.idea.svn.integrate.QuickMergeInteractionImpl;
	import org.tmatesoft.svn.core.SVNDepth;
	import org.tmatesoft.svn.core.internal.util.SVNPathUtil;
	import org.tmatesoft.svn.core.wc.SVNRevision;

	import javax.swing.*;
	import javax.swing.border.Border;
	import javax.swing.event.HyperlinkEvent;
	import javax.swing.event.HyperlinkListener;
	import java.awt.*;
	import java.awt.event.FocusAdapter;
	import java.awt.event.FocusEvent;
	import java.awt.event.KeyAdapter;
	import java.awt.event.KeyEvent;
	import java.io.File;
	import java.util.*;
	import java.util.List;

	public class CopiesPanel {

	private static final Logger LOG = Logger.getInstance(CopiesPanel.class);

	private final Project myProject;
	private MessageBusConnection myConnection;
	private SvnVcs myVcs;
	private JPanel myPanel;
	private JComponent myHolder;
	private LinkLabel myRefreshLabel;
	// updated only on AWT
	private List<OverrideEqualsWrapper<WCInfo>> myCurrentInfoList;
	private int myTextHeight;

	private final static String CHANGE_FORMAT = "CHANGE_FORMAT";
	private final static String CLEANUP = "CLEANUP";
	private final static String FIX_DEPTH = "FIX_DEPTH";
	private final static String CONFIGURE_BRANCHES = "CONFIGURE_BRANCHES";
	private final static String MERGE_FROM = "MERGE_FROM";

	public CopiesPanel(final Project project) {
	myProject = project;
	myConnection = myProject.getMessageBus().connect(myProject);
	myVcs = SvnVcs.getInstance(myProject);
	myCurrentInfoList = null;

	final Runnable focus = new Runnable() {
	@Override
	public void run() {
	IdeFocusManager.getInstance(myProject).requestFocus(myRefreshLabel, true);
	}
	};
	final Runnable refreshView = new Runnable() {
	@Override
	public void run() {
	final List<WCInfo> infoList = myVcs.getAllWcInfos();
	final List<WorkingCopyFormat> supportedFormats = getSupportedFormats();
	Runnable runnable = new Runnable() {
	@Override
	public void run() {
	if (myCurrentInfoList != null) {
	final List<OverrideEqualsWrapper<WCInfo>> newList =
	ObjectsConvertor.convert(infoList, new Convertor<WCInfo, OverrideEqualsWrapper<WCInfo>>() {
	@Override
	public OverrideEqualsWrapper<WCInfo> convert(WCInfo o) {
	return new OverrideEqualsWrapper<WCInfo>(InfoEqualityPolicy.getInstance(), o);
	}
	}, ObjectsConvertor.NOT_NULL);

	if (Comparing.haveEqualElements(newList, myCurrentInfoList)) {
	myRefreshLabel.setEnabled(true);
	return;
	}
	myCurrentInfoList = newList;
	}
	Collections.sort(infoList, WCComparator.getInstance());
	updateList(infoList, supportedFormats);
	myRefreshLabel.setEnabled(true);
	SwingUtilities.invokeLater(focus);
	}
	};
	ApplicationManager.getApplication().invokeLater(runnable, ModalityState.NON_MODAL);
	}
	};
	final Consumer<Boolean> refreshOnPooled = new Consumer<Boolean>() {
	@Override
	public void consume(Boolean somethingNew) {
	if (Boolean.TRUE.equals(somethingNew)) {
	if (ApplicationManager.getApplication().isUnitTestMode()) {
	refreshView.run();
	}
	else {
	ApplicationManager.getApplication().executeOnPooledThread(refreshView);
	}
	} else {
	ApplicationManager.getApplication().invokeLater(new Runnable() {
	@Override
	public void run() {
	myRefreshLabel.setEnabled(true);
	}
	}, ModalityState.NON_MODAL);
	}
	}
	};
	myConnection.subscribe(SvnVcs.ROOTS_RELOADED, refreshOnPooled);

	final JPanel holderPanel = new JPanel(new BorderLayout());
	FontMetrics fm = holderPanel.getFontMetrics(holderPanel.getFont());
	myTextHeight = (int)(fm.getHeight() * 1.3);
	myPanel = new JPanel(new GridBagLayout());
	final JPanel panel = new JPanel(new BorderLayout());
	panel.add(myPanel, BorderLayout.NORTH);
	holderPanel.add(panel, BorderLayout.WEST);
	myRefreshLabel = new MyLinkLabel(myTextHeight, "Refresh", new LinkListener() {
	@Override
	public void linkSelected(LinkLabel aSource, Object aLinkData) {
	if (myRefreshLabel.isEnabled()) {
	myVcs.invokeRefreshSvnRoots();
	myRefreshLabel.setEnabled(false);
	}
	}
	});
	final JScrollPane pane = ScrollPaneFactory.createScrollPane(holderPanel);
	myHolder = pane;
	final JScrollBar vBar = pane.getVerticalScrollBar();
	vBar.setBlockIncrement(vBar.getBlockIncrement() * 5);
	vBar.setUnitIncrement(vBar.getUnitIncrement() * 5);
	myHolder.setBorder(null);
	setFocusableForLinks(myRefreshLabel);
	refreshOnPooled.consume(true);
	initView();
	}

	public JComponent getPreferredFocusedComponent() {
	return myRefreshLabel;
	}

	private void updateList(@NotNull final List<WCInfo> infoList, @NotNull final List<WorkingCopyFormat> supportedFormats) {
	myPanel.removeAll();
	final Insets nullIndent = new Insets(1, 3, 1, 0);
	final GridBagConstraints gb =
	new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, new Insets(2, 2, 0, 0), 0, 0);
	gb.insets.left = 4;
	myPanel.add(myRefreshLabel, gb);
	gb.insets.left = 1;

	final LocalFileSystem lfs = LocalFileSystem.getInstance();
	final Insets topIndent = new Insets(10, 3, 0, 0);
	for (final WCInfo wcInfo : infoList) {
	final VirtualFile vf = lfs.refreshAndFindFileByIoFile(new File(wcInfo.getPath()));
	final VirtualFile root = (vf == null) ? wcInfo.getVcsRoot() : vf;

	final JEditorPane editorPane = new JEditorPane(UIUtil.HTML_MIME, "");
	editorPane.setEditable(false);
	editorPane.setFocusable(true);
	editorPane.setBackground(UIUtil.getPanelBackground());
	editorPane.setOpaque(false);
	editorPane.addHyperlinkListener(new HyperlinkListener() {
	@Override
	public void hyperlinkUpdate(HyperlinkEvent e) {
	if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
	if (CONFIGURE_BRANCHES.equals(e.getDescription())) {
	if (! checkRoot(root, wcInfo.getPath(), " invoke Configure Branches")) return;
	BranchConfigurationDialog.configureBranches(myProject, root, true);
	} else if (FIX_DEPTH.equals(e.getDescription())) {
	final int result =
	Messages.showOkCancelDialog(myVcs.getProject(), "You are going to checkout into '" + wcInfo.getPath() + "' with 'infinity' depth.\n" +
	"This will update your working copy to HEAD revision as well.",
	"Set Working Copy Infinity Depth",
	Messages.getWarningIcon());
	if (result == 0) {
	// update of view will be triggered by roots changed event
	SvnCheckoutProvider.checkout(myVcs.getProject(), new File(wcInfo.getPath()), wcInfo.getRootUrl(), SVNRevision.HEAD,
	SVNDepth.INFINITY, false, null, wcInfo.getFormat());
	}
	} else if (CHANGE_FORMAT.equals(e.getDescription())) {
	changeFormat(wcInfo, supportedFormats);
	} else if (MERGE_FROM.equals(e.getDescription())) {
	if (! checkRoot(root, wcInfo.getPath(), " invoke Merge From")) return;
	mergeFrom(wcInfo, root, editorPane);
	} else if (CLEANUP.equals(e.getDescription())) {
	if (! checkRoot(root, wcInfo.getPath(), " invoke Cleanup")) return;
	new CleanupWorker(new VirtualFile[] {root}, myVcs.getProject(), "action.Subversion.cleanup.progress.title").execute();
	}
	}
	}

	private boolean checkRoot(VirtualFile root, final String path, final String actionName) {
	if (root == null) {
	Messages.showWarningDialog(myProject, "Invalid working copy root: " + path, "Can not " + actionName);
	return false;
	}
	return true;
	}
	});
	editorPane.setBorder(null);
	editorPane.setText(formatWc(wcInfo, supportedFormats));

	final JPanel copyPanel = new JPanel(new GridBagLayout());

	final GridBagConstraints gb1 =
	new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.NORTHWEST, GridBagConstraints.NONE, nullIndent, 0, 0);
	gb1.insets.top = 1;
	gb1.gridwidth = 3;

	gb.insets = topIndent;
	gb.fill = GridBagConstraints.HORIZONTAL;
	++ gb.gridy;

	final JPanel contForCopy = new JPanel(new BorderLayout());
	contForCopy.add(copyPanel, BorderLayout.WEST);
	myPanel.add(contForCopy, gb);

	copyPanel.add(editorPane, gb1);
	gb1.insets = nullIndent;
	}

	myPanel.revalidate();
	myPanel.repaint();
	}

	@SuppressWarnings("MethodMayBeStatic")
	private String formatWc(@NotNull WCInfo info, @NotNull List<WorkingCopyFormat> supportedFormats) {
	final StringBuilder sb = new StringBuilder().append("<html><head>").append(UIUtil.getCssFontDeclaration(UIUtil.getLabelFont()))
	.append("</head><body><table bgColor=\"").append(ColorUtil.toHex(UIUtil.getPanelBackground())).append("\">");

	sb.append("<tr valign=\"top\"><td colspan=\"3\"><b>").append(info.getPath()).append("</b></td></tr>");
	sb.append("<tr valign=\"top\"><td>URL:</td><td colspan=\"2\">").append(info.getRootUrl()).append("</td></tr>");
	Collection<WorkingCopyFormat> upgradeFormats = getUpgradeFormats(info, supportedFormats);
	if (upgradeFormats.size() > 1) {
	sb.append("<tr valign=\"top\"><td>Format:</td><td>").append(info.getFormat().getName()).append("</td><td><a href=\"").
	append(CHANGE_FORMAT).append("\">Change</a></td></tr>");
	} else {
	sb.append("<tr valign=\"top\"><td>Format:</td><td colspan=\"2\">").append(info.getFormat().getName()).append("</td></tr>");
	}

	if (! SVNDepth.INFINITY.equals(info.getStickyDepth())) {
	// can fix
	sb.append("<tr valign=\"top\"><td>Depth:</td><td>").append(info.getStickyDepth().getName()).append("</td><td><a href=\"").
	append(FIX_DEPTH).append("\">Fix</a></td></tr>");
	} else {
	sb.append("<tr valign=\"top\"><td>Depth:</td><td colspan=\"2\">").append(info.getStickyDepth().getName()).append("</td></tr>");
	}

	final NestedCopyType type = info.getType();
	if (NestedCopyType.external.equals(type) \|\| NestedCopyType.switched.equals(type)) {
	sb.append("<tr valign=\"top\"><td colspan=\"3\"><i>").append(type.getName()).append("</i></td></tr>");
	}
	if (info.isIsWcRoot()) {
	sb.append("<tr valign=\"top\"><td colspan=\"3\"><i>").append("Working copy root</i></td></tr>");
	}
	if (WorkingCopyFormat.ONE_DOT_SEVEN.equals(info.getFormat()) \|\| WorkingCopyFormat.ONE_DOT_EIGHT.equals(info.getFormat())) {
	sb.append("<tr valign=\"top\"><td colspan=\"3\"><a href=\"").append(CLEANUP).append("\">Cleanup</a></td></tr>");
	}
	sb.append("<tr valign=\"top\"><td colspan=\"3\"><a href=\"").append(CONFIGURE_BRANCHES).append("\">Configure Branches</a></td></tr>");
	sb.append("<tr valign=\"top\"><td colspan=\"3\"><a href=\"").append(MERGE_FROM).append("\"><b>Merge From...</b></a></i></td></tr>");

	sb.append("</table></body></html>");
	return sb.toString();
	}

	@NotNull
	private List<WorkingCopyFormat> getSupportedFormats() {
	List<WorkingCopyFormat> result = Collections.emptyList();

	try {
	result = myVcs.getFactory().createUpgradeClient().getSupportedFormats();
	}
	catch (VcsException e) {
	LOG.info(e);
	}

	return result;
	}

	public static Set<WorkingCopyFormat> getUpgradeFormats(@NotNull WCInfo info, @NotNull List<WorkingCopyFormat> supportedFormats) {
	Set<WorkingCopyFormat> canUpgradeTo = EnumSet.noneOf(WorkingCopyFormat.class);

	for (WorkingCopyFormat format : supportedFormats) {
	if (format.isOrGreater(info.getFormat())) {
	canUpgradeTo.add(format);
	}
	}
	canUpgradeTo.add(info.getFormat());

	return canUpgradeTo;
	}

	private void mergeFrom(@NotNull final WCInfo wcInfo, @NotNull final VirtualFile root, @Nullable final Component mergeLabel) {
	SelectBranchPopup.showForBranchRoot(myProject, root, new SelectBranchPopup.BranchSelectedCallback() {
	@Override
	public void branchSelected(Project project, SvnBranchConfigurationNew configuration, String url, long revision) {
	new QuickMerge(project, url, wcInfo, SVNPathUtil.tail(url), root).execute(new QuickMergeInteractionImpl(myProject));
	}
	}, "Select branch", mergeLabel);
	}

	@SuppressWarnings("MethodMayBeStatic")
	private void setFocusableForLinks(final LinkLabel label) {
	final Border border = new DottedBorder(new Insets(1,2,1,1), JBColor.BLACK);
	label.setFocusable(true);
	label.addFocusListener(new FocusAdapter() {
	@Override
	public void focusGained(FocusEvent e) {
	super.focusGained(e);
	label.setBorder(border);
	}

	@Override
	public void focusLost(FocusEvent e) {
	super.focusLost(e);
	label.setBorder(null);
	}
	});
	label.addKeyListener(new KeyAdapter() {
	@Override
	public void keyPressed(KeyEvent e) {
	if (KeyEvent.VK_ENTER == e.getKeyCode()) {
	label.doClick();
	}
	}
	});
	}

	private void changeFormat(@NotNull final WCInfo wcInfo, @NotNull final List<WorkingCopyFormat> supportedFormats) {
	ChangeFormatDialog dialog = new ChangeFormatDialog(myProject, new File(wcInfo.getPath()), false, ! wcInfo.isIsWcRoot());

	dialog.setSupported(supportedFormats);
	dialog.setData(wcInfo.getFormat());
	dialog.show();
	if (! dialog.isOK()) {
	return;
	}
	final WorkingCopyFormat newFormat = dialog.getUpgradeMode();
	if (!wcInfo.getFormat().equals(newFormat)) {
	ApplicationManager.getApplication().saveAll();
	final Task.Backgroundable task = new SvnFormatWorker(myProject, newFormat, wcInfo) {
	@Override
	public void onSuccess() {
	super.onSuccess();
	myRefreshLabel.doClick();
	}
	};
	ProgressManager.getInstance().run(task);
	}
	}

	private void initView() {
	myRefreshLabel.doClick();
	}

	public JComponent getComponent() {
	return myHolder;
	}

	public static class OverrideEqualsWrapper<T> {
	private final EqualityPolicy<T> myPolicy;
	private final T myT;

	public OverrideEqualsWrapper(EqualityPolicy<T> policy, T t) {
	myPolicy = policy;
	myT = t;
	}

	public T getT() {
	return myT;
	}

	@Override
	public boolean equals(Object o) {
	if (this == o) return true;
	if (o == null \|\| getClass() != o.getClass()) return false;
	final OverrideEqualsWrapper<T> that = (OverrideEqualsWrapper<T>) o;

	return myPolicy.isEqual(myT, that.getT());
	}

	@Override
	public int hashCode() {
	return myPolicy.getHashCode(myT);
	}
	}

	private static class InfoEqualityPolicy implements EqualityPolicy<WCInfo> {
	private final static InfoEqualityPolicy ourInstance = new InfoEqualityPolicy();

	public static InfoEqualityPolicy getInstance() {
	return ourInstance;
	}

	private static class HashCodeBuilder {
	private int myCode;

	private HashCodeBuilder() {
	myCode = 0;
	}

	public void append(final Object o) {
	myCode = 31 * myCode + (o != null ? o.hashCode() : 0);
	}

	public int getCode() {
	return myCode;
	}
	}

	@Override
	public int getHashCode(WCInfo value) {
	final HashCodeBuilder builder = new HashCodeBuilder();
	builder.append(value.getPath());
	builder.append(value.getUrl());
	builder.append(value.getFormat());
	builder.append(value.getType());
	builder.append(value.getStickyDepth());

	return builder.getCode();
	}

	@Override
	public boolean isEqual(WCInfo val1, WCInfo val2) {
	if (val1 == val2) return true;
	if (val1 == null \|\| val2 == null \|\| val1.getClass() != val2.getClass()) return false;

	if (! Comparing.equal(val1.getFormat(), val2.getFormat())) return false;
	if (! Comparing.equal(val1.getPath(), val2.getPath())) return false;
	if (! Comparing.equal(val1.getStickyDepth(), val2.getStickyDepth())) return false;
	if (! Comparing.equal(val1.getType(), val2.getType())) return false;
	if (! Comparing.equal(val1.getUrl(), val2.getUrl())) return false;

	return true;
	}
	}

	private static class WCComparator implements Comparator<WCInfo> {
	private final static WCComparator ourComparator = new WCComparator();

	public static WCComparator getInstance() {
	return ourComparator;
	}

	@Override
	public int compare(WCInfo o1, WCInfo o2) {
	return o1.getPath().compareTo(o2.getPath());
	}
	}

	private static class MyLinkLabel extends LinkLabel {
	private final int myHeight;

	public MyLinkLabel(final int height, final String text, final LinkListener linkListener) {
	super(text, null, linkListener);
	myHeight = height;
	}

	@Override
	public Dimension getPreferredSize() {
	final Dimension preferredSize = super.getPreferredSize();
	return new Dimension(preferredSize.width, myHeight);
	}
	}
	}