[458349] Consolidate UI - CheckoutDuplicateHandler

Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=458349

4 files changed, 69 insertions, 0 deletions

diff --git a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/CDOExplorerManager.java b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/CDOExplorerManager.java
index 09df5a814f..e4b9f6ae29 100644
--- a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/CDOExplorerManager.java
+++ b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/CDOExplorerManager.java
@@ -24,6 +24,11 @@ import org.eclipse.core.runtime.IAdaptable;
 public interface CDOExplorerManager<T extends CDOExplorerElement> extends IContainer<T>, IAdaptable
 {
   /**
+   * @since 4.5
+   */
+  public String getUniqueLabel(String label);
+
+  /**
    * @author Eike Stepper
    */
   public interface ElementsChangedEvent extends IEvent
diff --git a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/checkouts/CDOCheckout.java b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/checkouts/CDOCheckout.java
index 3811506cfe..331ac787ec 100644
--- a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/checkouts/CDOCheckout.java
+++ b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/explorer/checkouts/CDOCheckout.java
@@ -82,6 +82,11 @@ public interface CDOCheckout extends CDOExplorerElement, CDOTimeProvider, StateP
 
   public void setRootID(CDOID rootID);
 
+  /**
+   * @since 4.5
+   */
+  public CDOCheckout duplicate();
+
   public State getState();
 
   public boolean isOpen();
diff --git a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/AbstractManager.java b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/AbstractManager.java
index a458b4c011..77be55c28c 100644
--- a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/AbstractManager.java
+++ b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/AbstractManager.java
@@ -29,8 +29,12 @@ import org.eclipse.emf.ecore.EObject;
 import java.io.File;
 import java.io.FileInputStream;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Map;
 import java.util.Properties;
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * @author Eike Stepper
@@ -38,6 +42,8 @@ import java.util.Properties;
 public abstract class AbstractManager<T extends CDOExplorerElement> extends SetContainer<T>
     implements CDOExplorerManager<T>
 {
+  private static final Pattern LABEL_PATTERN = Pattern.compile("(.+?) *\\([0-9]+\\)");
+
   private final File folder;
 
   private final Map<String, T> elementMap = new HashMap<String, T>();
@@ -75,6 +81,33 @@ public abstract class AbstractManager<T extends CDOExplorerElement> extends SetC
     return folder;
   }
 
+  public String getUniqueLabel(String label)
+  {
+    Set<String> names = new HashSet<String>();
+
+    for (T element : getElements())
+    {
+      names.add(element.getLabel());
+    }
+
+    Matcher matcher = LABEL_PATTERN.matcher(label);
+    if (matcher.matches())
+    {
+      label = matcher.group(1);
+    }
+
+    for (int i = 1; i < Integer.MAX_VALUE; i++)
+    {
+      String name = i == 1 ? label : label + " (" + i + ")";
+      if (!names.contains(name))
+      {
+        return name;
+      }
+    }
+
+    throw new IllegalStateException("Too many elements");
+  }
+
   public T getElement(String id)
   {
     return elementMap.get(id);
diff --git a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/checkouts/CDOCheckoutImpl.java b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/checkouts/CDOCheckoutImpl.java
index 4f20591c09..fa6635c529 100644
--- a/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/checkouts/CDOCheckoutImpl.java
+++ b/plugins/org.eclipse.emf.cdo.explorer/src/org/eclipse/emf/cdo/internal/explorer/checkouts/CDOCheckoutImpl.java
@@ -15,6 +15,7 @@ import org.eclipse.emf.cdo.common.branch.CDOBranchManager;
 import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
 import org.eclipse.emf.cdo.common.id.CDOID;
 import org.eclipse.emf.cdo.common.id.CDOIDUtil;
+import org.eclipse.emf.cdo.explorer.CDOExplorerUtil;
 import org.eclipse.emf.cdo.explorer.checkouts.CDOCheckout;
 import org.eclipse.emf.cdo.explorer.repositories.CDORepository;
 import org.eclipse.emf.cdo.internal.explorer.AbstractElement;
@@ -350,6 +351,31 @@ public abstract class CDOCheckoutImpl extends AbstractElement implements CDOChec
     this.rootID = rootID;
   }
 
+  public CDOCheckout duplicate()
+  {
+    Properties properties = new Properties();
+    collectDuplicationProperties(properties);
+
+    CDOCheckout copy = CDOExplorerUtil.getCheckoutManager().addCheckout(properties);
+    if (isOpen())
+    {
+      copy.open();
+    }
+
+    return copy;
+  }
+
+  protected void collectDuplicationProperties(Properties properties)
+  {
+    properties.setProperty(PROP_TYPE, getType());
+    properties.setProperty(PROP_LABEL, getManager().getUniqueLabel(getLabel()));
+    properties.setProperty(PROP_REPOSITORY, getRepository().getID());
+    properties.setProperty(PROP_BRANCH_ID, Integer.toString(getBranchID()));
+    properties.setProperty(PROP_TIME_STAMP, Long.toString(getTimeStamp()));
+    properties.setProperty(PROP_READ_ONLY, Boolean.toString(isReadOnly()));
+    properties.setProperty(PROP_ROOT_ID, getCDOIDString(getRootID()));
+  }
+
   public final State getState()
   {
     return state;