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/*
* 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;
}
}
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