AbsoluteLayoutRuleTest.java

/*
 * Copyright (C) 2010 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.common.layout;

import static com.android.ide.common.layout.LayoutConstants.ANDROID_URI;

import com.android.ide.common.api.INode;
import com.android.ide.common.api.Point;
import com.android.ide.common.api.Rect;

/** Test the {@link AbsoluteLayoutRule} */
public class AbsoluteLayoutRuleTest extends LayoutTestBase {
    // Utility for other tests
    protected INode dragInto(Rect dragBounds, Point dragPoint, int insertIndex, int currentIndex,
            String... graphicsFragments) {
        INode layout = TestNode.create("android.widget.AbsoluteLayout").id("@+id/AbsoluteLayout01")
                .bounds(new Rect(0, 0, 240, 480)).add(
                        TestNode.create("android.widget.Button").id("@+id/Button01").bounds(
                                new Rect(0, 0, 100, 80)),
                        TestNode.create("android.widget.Button").id("@+id/Button02").bounds(
                                new Rect(0, 100, 100, 80)),
                        TestNode.create("android.widget.Button").id("@+id/Button03").bounds(
                                new Rect(0, 200, 100, 80)),
                        TestNode.create("android.widget.Button").id("@+id/Button04").bounds(
                                new Rect(0, 300, 100, 80)));

        return super.dragInto(new AbsoluteLayoutRule(), layout, dragBounds, dragPoint, null,
                insertIndex, currentIndex, graphicsFragments);
    }

    public void testDragMiddle() {
        INode inserted = dragInto(
                // Bounds of the dragged item
                new Rect(0, 0, 105, 80),
                // Drag point
                new Point(30, -10),
                // Expected insert location: We just append in absolute layout
                4,
                // Not dragging one of the existing children
                -1,


                // Bounds rectangle
                "useStyle(DROP_RECIPIENT), drawRect(Rect[0,0,240,480])",

                // Drop preview
                "useStyle(DROP_PREVIEW), drawRect(Rect[30,-10,105,80])");

        assertEquals("30dip", inserted.getStringAttr(ANDROID_URI, "layout_x"));
        assertEquals("-10dip", inserted.getStringAttr(ANDROID_URI, "layout_y"));

        // Without drag bounds we should just draw guide lines instead
        inserted = dragInto(new Rect(0, 0, 0, 0), new Point(30, -10), 4, -1,
                "useStyle(DROP_RECIPIENT), drawRect(Rect[0,0,240,480])",
                // Guideline
                "useStyle(GUIDELINE), drawLine(30,0,30,480), drawLine(0,-10,240,-10)",
                // Drop preview
                "useStyle(DROP_PREVIEW), drawLine(30,-10,240,-10), drawLine(30,-10,30,480)");
        assertEquals("30dip", inserted.getStringAttr(ANDROID_URI, "layout_x"));
        assertEquals("-10dip", inserted.getStringAttr(ANDROID_URI, "layout_y"));
    }

}