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/*
* 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.eclipse.adt.internal.editors.layout.gle2;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
import junit.framework.TestCase;
/**
* Common utilities for the point tests {@link LayoutPointTest} and
* {@link ControlPointTest}
*/
public class PointTestCases extends TestCase {
LayoutCanvas mCanvas = new TestLayoutCanvas();
protected MouseEvent canvasMouseEvent(int x, int y, int stateMask) {
Event event = new Event();
event.x = x;
event.y = y;
event.stateMask = stateMask;
event.widget = mCanvas;
MouseEvent mouseEvent = new MouseEvent(event);
return mouseEvent;
}
/** Mock implementation of LayoutCanvas */
protected static class TestLayoutCanvas extends LayoutCanvas {
float mScaleX;
float mScaleY;
float mTranslateX;
float mTranslateY;
public TestLayoutCanvas(float scaleX, float scaleY, float translateX, float translateY) {
super(null, null, new Shell(), 0);
this.mScaleX = scaleX;
this.mScaleY = scaleY;
this.mTranslateX = translateX;
this.mTranslateY = translateY;
}
public TestLayoutCanvas() {
this(2.0f, 2.0f, 20.0f, 20.0f);
}
@Override
CanvasTransform getHorizontalTransform() {
ScrollBar scrollBar = new List(this, SWT.V_SCROLL|SWT.H_SCROLL).getHorizontalBar();
return new TestCanvasTransform(scrollBar, mScaleX, mTranslateX);
}
@Override
CanvasTransform getVerticalTransform() {
ScrollBar scrollBar = new List(this, SWT.V_SCROLL|SWT.H_SCROLL).getVerticalBar();
return new TestCanvasTransform(scrollBar, mScaleY, mTranslateY);
}
}
static class TestCanvasTransform extends CanvasTransform {
float mScale;
float mTranslate;
public TestCanvasTransform(ScrollBar scrollBar, float scale, float translate) {
super(null, scrollBar);
this.mScale = scale;
this.mTranslate = translate;
}
@Override
public int translate(int value) {
return (int) ((value - mTranslate) / mScale);
}
@Override
public int inverseTranslate(int value) {
return (int) (value * mScale + mTranslate);
}
}
public void testDummy() {
// To avoid JUnit warning that this class contains no tests, even though
// this is an abstract class and JUnit shouldn't try
}
}
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