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path: root/eclipse/plugins/com.android.ide.eclipse.tests/src/com/android/ide/eclipse/adt/internal/editors/layout/refactoring/ChangeLayoutRefactoringTest.java
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/*
 * Copyright (C) 2011 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.layout.refactoring;

import static com.android.SdkConstants.FQCN_GRID_LAYOUT;
import static com.android.SdkConstants.FQCN_LINEAR_LAYOUT;
import static com.android.SdkConstants.FQCN_RELATIVE_LAYOUT;

import com.android.ide.eclipse.adt.internal.editors.layout.gle2.CanvasViewInfo;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.ltk.core.refactoring.Change;
import org.w3c.dom.Element;

import java.util.Collections;
import java.util.List;

@SuppressWarnings("javadoc")
public class ChangeLayoutRefactoringTest extends RefactoringTest {

    public void testChangeLayout1a() throws Exception {
        // Test a basic layout which performs some nesting -- tests basic grid layout conversion
        checkRefactoring("sample1a.xml", true);
    }

    public void testChangeLayout1b() throws Exception {
        // Same as 1a, but with different formatting to look for edit handling to for example
        // remove a line that is made empty when its only attribute is removed
        checkRefactoring("sample1b.xml", true);
    }

    public void testChangeLayout2() throws Exception {
        // Test code which analyzes an embedded RelativeLayout
        checkRefactoring("sample2.xml", true);
    }

    public void testChangeLayout3() throws Exception {
        // Test handling of LinearLayout "weight" attributes on its children: the child with
        // weight > 0 should fill and subsequent children attach on the bottom/right
        checkRefactoring("sample3.xml", true);
    }

    public void testChangeLayout4() throws Exception {
        checkRefactoring("sample4.xml", true);
    }

    public void testChangeLayout5() throws Exception {
        // Test handling of LinearLayout "gravity" attributes on its children
        checkRefactoring("sample5.xml", true);
    }

    public void testChangeLayout6() throws Exception {
        // Check handling of the LinearLayout "baseline" attribute
        checkRefactoring("sample6.xml", true);
    }

    public void testGridLayout1() throws Exception {
        checkRefactoring(FQCN_GRID_LAYOUT, "sample1a.xml", true);
    }

    public void testGridLayout2() throws Exception {
        // Test code which analyzes an embedded RelativeLayout
        checkRefactoring(FQCN_GRID_LAYOUT, "sample2.xml", true);
    }

    public void testGridLayout5() throws Exception {
        // Test handling of LinearLayout "gravity" attributes on its children
        checkRefactoring(FQCN_GRID_LAYOUT, "sample5.xml", true);
    }

    public void testConvertToGrid() throws Exception {
        checkRefactoring(FQCN_GRID_LAYOUT, "sample9.xml", true);
    }

    public void testConvertFromGrid() throws Exception {
        checkRefactoring(FQCN_LINEAR_LAYOUT, "sample10.xml", true);
    }

    private void checkRefactoring(String basename, boolean flatten) throws Exception {
        checkRefactoring(FQCN_RELATIVE_LAYOUT, basename, flatten);
    }

    public void testInitialAttributes() throws Exception {
        checkRefactoring(FQCN_LINEAR_LAYOUT, "sample10.xml", true, "android:orientation=vertical");
    }

    public void testInsertSpacer() throws Exception {
        checkRefactoring(FQCN_GRID_LAYOUT, "sample11.xml", true);
    }

    private void checkRefactoring(String newLayoutType, String basename,
            boolean flatten) throws Exception {
        checkRefactoring(newLayoutType, basename, flatten, null);
    }

    @Override
    protected int getMinSdk() {
        return 14;
    }

    private void checkRefactoring(String newLayoutType, String basename,
            boolean flatten, String initialAttributes) throws Exception {
        IFile file = getLayoutFile(getProject(), basename);
        TestContext info = setupTestContext(file, basename);
        TestLayoutEditorDelegate layoutEditor = info.mLayoutEditorDelegate;
        CanvasViewInfo rootView = info.mRootView;
        Element element = info.mElement;

        List<Element> selectedElements = Collections.singletonList(element);
        ChangeLayoutRefactoring refactoring = new ChangeLayoutRefactoring(selectedElements,
                layoutEditor);
        refactoring.setFlatten(flatten);
        refactoring.setType(newLayoutType);
        if (initialAttributes != null) {
            refactoring.setInitializedAttributes(initialAttributes);
        }
        refactoring.setRootView(rootView);

        List<Change> changes = refactoring.computeChanges(new NullProgressMonitor());
        checkEdits(basename, changes);
    }
}