| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.openapi.roots.ui.componentsList.layout; |
| |
| |
| import java.awt.*; |
| |
| public class VerticalStackLayout implements LayoutManager2 { |
| private final int myDefaultHeight = 200; |
| |
| /** |
| * Calculates the minimum size dimensions for the specified |
| * container, given the components it contains. |
| * @param parent the component to be laid out |
| * @see #preferredLayoutSize |
| */ |
| @Override |
| public Dimension minimumLayoutSize(Container parent) { |
| ComponentOperation.SizeCalculator calculator = new ComponentOperation.SizeCalculator(SizeProperty.MINIMUM_SIZE); |
| withAllVisibleDo(parent, calculator); |
| OrientedDimensionSum result = calculator.getSum(); |
| result.addInsets(parent.getInsets()); |
| return result.getSum(); |
| } |
| |
| public static void withAllVisibleDo(Container container, ComponentOperation operation) { |
| Component[] components = container.getComponents(); |
| for (Component component : components) { |
| if (!component.isVisible()) continue; |
| operation.applyTo(component); |
| } |
| } |
| |
| /** |
| * Lays out the specified container. |
| * @param parent the container to be laid out |
| */ |
| @Override |
| public void layoutContainer(final Container parent) { |
| withAllVisibleDo(parent, |
| new ComponentOperation.InlineLayout(parent, myDefaultHeight, SizeProperty.PREFERED_SIZE, |
| Orientation.VERTICAL)); |
| } |
| |
| /** |
| * Calculates the preferred size dimensions for the specified |
| * container, given the components it contains. |
| * @param parent the container to be laid out |
| * |
| * @see #minimumLayoutSize |
| */ |
| @Override |
| public Dimension preferredLayoutSize(Container parent) { |
| ComponentOperation.SizeCalculator calculator = |
| new ComponentOperation.SizeCalculator(myDefaultHeight, SizeProperty.PREFERED_SIZE, Orientation.VERTICAL); |
| withAllVisibleDo(parent, calculator); |
| OrientedDimensionSum result = calculator.getSum(); |
| result.addInsets(parent.getInsets()); |
| return result.getSum(); |
| } |
| |
| @Override |
| public void removeLayoutComponent(Component comp) {} |
| @Override |
| public Dimension maximumLayoutSize(Container target) { return null; } |
| @Override |
| public float getLayoutAlignmentY(Container target) { return 0; } |
| @Override |
| public void addLayoutComponent(Component comp, Object constraints) {} |
| @Override |
| public void invalidateLayout(Container target) {} |
| @Override |
| public void addLayoutComponent(String name, Component comp) {} |
| @Override |
| public float getLayoutAlignmentX(Container target) { return 0; } |
| } |