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/*
* 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.ide.palette.impl;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
/**
* @author yole
*/
public class PaletteContentWindow extends JPanel implements Scrollable {
public PaletteContentWindow() {
setLayout(new PaletteLayoutManager());
}
public Dimension getPreferredScrollableViewportSize() {
return getPreferredSize();
}
public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
return 20;
}
public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
return 100;
}
public boolean getScrollableTracksViewportWidth() {
return true;
}
public boolean getScrollableTracksViewportHeight() {
return false;
}
@Nullable PaletteGroupHeader getLastGroupHeader() {
PaletteGroupHeader result = null;
for(Component comp: getComponents()) {
if (comp instanceof PaletteGroupHeader) {
result = (PaletteGroupHeader) comp;
}
}
return result;
}
private static class PaletteLayoutManager implements LayoutManager {
public void addLayoutComponent(String name, Component comp) {
}
public void layoutContainer(Container parent) {
int width = parent.getWidth();
int height = 0;
for(Component c: parent.getComponents()) {
if (c instanceof PaletteGroupHeader) {
PaletteGroupHeader groupHeader = (PaletteGroupHeader) c;
groupHeader.setLocation(0, height);
if (groupHeader.isVisible()) {
groupHeader.setSize(width, groupHeader.getPreferredSize().height);
height += groupHeader.getPreferredSize().height;
}
else {
groupHeader.setSize(0, 0);
}
if (groupHeader.isSelected() || !groupHeader.isVisible()) {
PaletteComponentList componentList = groupHeader.getComponentList();
componentList.setSize(width, componentList.getPreferredSize().height);
componentList.setLocation(0, height);
height += componentList.getHeight();
}
}
}
}
public Dimension minimumLayoutSize(Container parent) {
return new Dimension(0, 0);
}
public Dimension preferredLayoutSize(Container parent) {
int height = 0;
int width = parent.getWidth();
for(Component c: parent.getComponents()) {
if (c instanceof PaletteGroupHeader) {
PaletteGroupHeader groupHeader = (PaletteGroupHeader) c;
height += groupHeader.getHeight();
if (groupHeader.isSelected()) {
height += groupHeader.getComponentList().getPreferredHeight(width);
}
}
}
return new Dimension(10 /* not used - tracks viewports width*/, height);
}
public void removeLayoutComponent(Component comp) {
}
}
}
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