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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.lint;
import com.android.ide.eclipse.adt.AdtUtils;
import com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate;
import com.android.ide.eclipse.adt.internal.editors.layout.refactoring.UnwrapRefactoring;
import com.android.tools.lint.checks.UselessViewDetector;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.TextSelection;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
@SuppressWarnings("restriction") // DOM model
final class RemoveUselessViewFix extends DocumentFix {
private RemoveUselessViewFix(String id, IMarker marker) {
super(id, marker);
}
@Override
public boolean needsFocus() {
return isCancelable();
}
@Override
public boolean isCancelable() {
return mId.equals(mId.equals(UselessViewDetector.USELESS_PARENT.getId()));
}
@Override
protected void apply(IDocument document, IStructuredModel model, Node node, int start,
int end) {
if (node instanceof Element && node.getParentNode() instanceof Element) {
Element element = (Element) node;
Element parent = (Element) node.getParentNode();
if (mId.equals(UselessViewDetector.USELESS_LEAF.getId())) {
parent.removeChild(element);
} else {
assert mId.equals(UselessViewDetector.USELESS_PARENT.getId());
// Invoke refactoring
LayoutEditorDelegate delegate =
LayoutEditorDelegate.fromEditor(AdtUtils.getActiveEditor());
if (delegate != null) {
IFile file = (IFile) mMarker.getResource();
ITextSelection textSelection = new TextSelection(start,
end - start);
UnwrapRefactoring refactoring =
new UnwrapRefactoring(file, delegate, textSelection, null);
RefactoringWizard wizard = refactoring.createWizard();
RefactoringWizardOpenOperation op =
new RefactoringWizardOpenOperation(wizard);
try {
IWorkbenchWindow window = PlatformUI.getWorkbench().
getActiveWorkbenchWindow();
op.run(window.getShell(), wizard.getDefaultPageTitle());
} catch (InterruptedException e) {
}
}
}
}
}
@Override
public String getDisplayString() {
return "Remove unnecessary view";
}
@Override
public Image getImage() {
ISharedImages sharedImages = PlatformUI.getWorkbench().getSharedImages();
return sharedImages.getImage(ISharedImages.IMG_ETOOL_DELETE);
}
}
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