/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.ui.RectangleEdge;
import java.awt.geom.Rectangle2D;
/**
* {@link CategoryAxis} shifted to left to eliminate redundant space
* between area and the Y-axis.
*/
public final class ShiftedCategoryAxis extends NoOverlapCategoryAxis {
public ShiftedCategoryAxis(String label) {
super(label);
}
@Override
protected double calculateCategorySize(int categoryCount, Rectangle2D area, RectangleEdge edge) {
// we cut the left-half of the first item and the right-half of the last item,
// so we have more space
return super.calculateCategorySize(categoryCount-1, area, edge);
}
@Override
public double getCategoryEnd(int category, int categoryCount, Rectangle2D area, RectangleEdge edge) {
return super.getCategoryStart(category, categoryCount, area, edge)
+ calculateCategorySize(categoryCount, area, edge) / 2;
}
@Override
public double getCategoryMiddle(int category, int categoryCount, Rectangle2D area, RectangleEdge edge) {
return super.getCategoryStart(category, categoryCount, area, edge);
}
@Override
public double getCategoryStart(int category, int categoryCount, Rectangle2D area, RectangleEdge edge) {
return super.getCategoryStart(category, categoryCount, area, edge)
- calculateCategorySize(categoryCount, area, edge) / 2;
}
}