Merge libv1.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/DeltaProcessorDelta.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/DeltaProcessorDelta.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/DeltaProcessorDelta.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/DeltaProcessorDelta.java
new file mode 100644
index 0000000000000000000000000000000000000000..ea747b81a8537923e11aaddb03f84449daf47c0e
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/internal/model/delta/DeltaProcessorDelta.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2012, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
+ * 
+ * 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.google.dart.tools.core.internal.model.delta;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.runtime.IPath;
+
+/**
+ * A class to hold information cloned from an IResourceDelta.
+ */
+class DeltaProcessorDelta {
+
+  public static final int MOVED_TO = IResourceDelta.MOVED_TO;
+  public static final int MOVED_FROM = IResourceDelta.MOVED_FROM;
+
+  public static final int ADDED = IResourceDelta.ADDED;
+  public static final int REMOVED = IResourceDelta.REMOVED;
+  public static final int CHANGED = IResourceDelta.CHANGED;
+
+  public static final int CONTENT = IResourceDelta.CONTENT;
+  public static final int ENCODING = IResourceDelta.ENCODING;
+
+  /**
+   * @return a DeltaProcessorDelta cloned from an IResourceDelta
+   */
+  public static DeltaProcessorDelta createFrom(IResourceDelta delta) {
+    if (delta == null) {
+      return null;
+    } else {
+      return new DeltaProcessorDelta(delta);
+    }
+  }
+
+  private int flags;
+  private int kind;
+  private IPath movedFromPath;
+  private IResource resource;
+  private DeltaProcessorDelta[] affectedChildren;
+
+  private DeltaProcessorDelta(IResourceDelta delta) {
+    this.flags = delta.getFlags();
+    this.kind = delta.getKind();
+    this.movedFromPath = delta.getMovedFromPath();
+    this.resource = delta.getResource();
+
+    // Create the affected children.
+    IResourceDelta[] deltaChildren = delta.getAffectedChildren();
+
+    affectedChildren = new DeltaProcessorDelta[deltaChildren.length];
+
+    for (int i = 0; i < deltaChildren.length; i++) {
+      affectedChildren[i] = new DeltaProcessorDelta(deltaChildren[i]);
+    }
+  }
+
+  public DeltaProcessorDelta[] getAffectedChildren() {
+    return affectedChildren;
+  }
+
+  public int getFlags() {
+    return flags;
+  }
+
+  public int getKind() {
+    return kind;
+  }
+
+  public IPath getMovedFromPath() {
+    return movedFromPath;
+  }
+
+  public IResource getResource() {
+    return resource;
+  }
+
+  public boolean isDeleteEvent() {
+    if ((flags & REMOVED) != 0) {
+      return true;
+    }
+
+    for (int i = 0; i < affectedChildren.length; i++) {
+      if (affectedChildren[i].isDeleteEvent()) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+}