| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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 org.netbeans.modules.ant.debugger; |
| |
| import java.awt.Component; |
| import java.awt.Container; |
| import java.awt.Dimension; |
| import java.awt.LayoutManager2; |
| import java.awt.Rectangle; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| import org.openide.util.Utilities; |
| import org.openide.windows.TopComponent; |
| import org.openide.windows.WindowManager; |
| |
| /** |
| * |
| * @author mkozeny |
| */ |
| public class VerticalGridLayout implements LayoutManager2 { |
| |
| public VerticalGridLayout() { |
| super(); |
| TopComponent activated = TopComponent.getRegistry().getActivated(); |
| if (activated != null) { |
| Rectangle screenParams = Utilities.getUsableScreenBounds(activated.getGraphicsConfiguration()); |
| //half of the size is used, b/c sometimes it is submenu not visible at the top |
| this.screenHeight = (int)(screenParams.height * 0.5); |
| } else { |
| this.screenHeight = (int)(WindowManager.getDefault().getMainWindow().getSize().height * 0.5); |
| } |
| } |
| |
| private final int screenHeight; |
| |
| final private Set<Component> components = new LinkedHashSet<Component>(); |
| |
| @Override |
| public void addLayoutComponent(Component comp, Object constraints) { |
| this.components.add(comp); |
| } |
| |
| /* these 3 methods need to be overridden properly */ |
| @Override |
| public float getLayoutAlignmentX(Container target) { |
| return 0; |
| } |
| |
| @Override |
| public float getLayoutAlignmentY(Container target) { |
| return 0; |
| } |
| |
| @Override |
| public void invalidateLayout(Container target) { |
| |
| } |
| |
| @Override |
| public void addLayoutComponent(String name, Component comp) { |
| this.components.add(comp); |
| } |
| |
| @Override |
| public void layoutContainer(Container parent) { |
| int x = 0; |
| int y = 0; |
| int cellWidth = getMaxCellWidth(); |
| for (Component c : this.components) { |
| if (c.isVisible()) { |
| Dimension d = c.getPreferredSize(); |
| if (y + d.height > parent.getHeight()) { |
| x += cellWidth; |
| y = 0; |
| } |
| c.setBounds(x + 1, y + 1, cellWidth, d.height); |
| y += d.height; |
| } |
| } |
| } |
| |
| /* these 3 methods need to be overridden properly */ |
| @Override |
| public Dimension minimumLayoutSize(Container parent) { |
| return new Dimension(0, 0); |
| } |
| |
| @Override |
| public Dimension preferredLayoutSize(Container parent) { |
| return layoutSize(parent); |
| } |
| |
| @Override |
| public Dimension maximumLayoutSize(Container target) { |
| return layoutSize(target); |
| } |
| |
| private Dimension layoutSize(Container target) { |
| int cols = 1; |
| int height; |
| int componentCount = this.components.size(); |
| int itemsPerColumn = this.screenHeight / getMaxCellHeight(); |
| if (componentCount > itemsPerColumn) { |
| cols = componentCount / itemsPerColumn; |
| if (componentCount % itemsPerColumn != 0) { |
| cols++; |
| } |
| height = itemsPerColumn * getMaxCellHeight(); |
| } else { |
| height = getMenuItemsHeight(); |
| } |
| return new Dimension(cols * getMaxCellWidth() + 2, height + 2); |
| } |
| |
| @Override |
| public void removeLayoutComponent(Component comp) { |
| this.components.remove(comp); |
| } |
| |
| private int getMaxCellHeight() { |
| int cellHeight = 0; |
| for (Component c : this.components) { |
| if (c.getPreferredSize().height > cellHeight) { |
| cellHeight = c.getPreferredSize().height; |
| } |
| } |
| return cellHeight; |
| } |
| |
| private int getMaxCellWidth() { |
| int cellWidth = 0; |
| for (Component c : this.components) { |
| if (c.getPreferredSize().width > cellWidth) { |
| cellWidth = c.getPreferredSize().width; |
| } |
| } |
| return cellWidth; |
| } |
| |
| private int getMenuItemsHeight() { |
| int height = 0; |
| for (Component c : this.components) { |
| height += c.getPreferredSize().height; |
| } |
| return height; |
| } |
| } |