1 files changed, 84 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/common/CommonMatchingStrategy.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/common/CommonMatchingStrategy.java
new file mode 100755
index 000000000..224c28fff
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/common/CommonMatchingStrategy.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (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/org/documents/epl-v10.php
+ *
+ * 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.android.ide.eclipse.adt.internal.editors.common;
+
+import static com.android.SdkConstants.FD_RES_LAYOUT;
+
+import com.android.ide.common.resources.ResourceFolder;
+import com.android.ide.eclipse.adt.AdtPlugin;
+import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorMatchingStrategy;
+import com.android.ide.eclipse.adt.internal.preferences.AdtPrefs;
+import com.android.ide.eclipse.adt.internal.resources.manager.ResourceManager;
+import com.android.resources.ResourceFolderType;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorMatchingStrategy;
+import org.eclipse.ui.IEditorReference;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.part.FileEditorInput;
+
+/**
+ * Matching strategy for the editors.
+ * This finds the right MatchingStrategy and delegates to it.
+ */
+public class CommonMatchingStrategy implements IEditorMatchingStrategy {
+
+    @Override
+    public boolean matches(IEditorReference editorRef, IEditorInput input) {
+        if (input instanceof FileEditorInput) {
+            FileEditorInput fileInput = (FileEditorInput)input;
+
+            // get the IFile object and check it's in one of the layout folders.
+            IFile file = fileInput.getFile();
+            if (file.getParent().getName().startsWith(FD_RES_LAYOUT)) {
+                ResourceFolder resFolder = ResourceManager.getInstance().getResourceFolder(file);
+                if (resFolder != null && resFolder.getType() == ResourceFolderType.LAYOUT) {
+                    if (AdtPrefs.getPrefs().isSharedLayoutEditor()) {
+                        LayoutEditorMatchingStrategy m = new LayoutEditorMatchingStrategy();
+                        return m.matches(editorRef, fileInput);
+                    } else {
+                        // Skip files that don't match by name (see below). However, for
+                        // layout files we can't just use editorRef.getName(), since
+                        // the name sometimes includes the parent folder name (when the
+                        // files are in layout- folders.
+                        if (!(editorRef.getName().endsWith(file.getName()) &&
+                                editorRef.getId().equals(CommonXmlEditor.ID))) {
+                            return false;
+                        }
+                    }
+                }
+            } else {
+                // Per the IEditorMatchingStrategy documentation, editorRef.getEditorInput()
+                // is expensive so try exclude files that definitely don't match, such
+                // as those with the wrong extension or wrong file name
+                if (!(file.getName().equals(editorRef.getName()) &&
+                        editorRef.getId().equals(CommonXmlEditor.ID))) {
+                    return false;
+                }
+            }
+
+            try {
+                return input.equals(editorRef.getEditorInput());
+            } catch (PartInitException e) {
+                AdtPlugin.log(e, null);
+            }
+        }
+
+        return false;
+    }
+}