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/*
* Copyright 2000-2014 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.ui;
import com.intellij.ui.components.panels.OpaquePanel;
import com.intellij.util.ui.UIUtil;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.tree.TreeCellRenderer;
import java.awt.*;
public abstract class GroupedElementsRenderer {
public static final Color POPUP_SEPARATOR_FOREGROUND = new JBColor(Color.gray.brighter(), Gray._43);
public static final Color POPUP_SEPARATOR_TEXT_FOREGROUND = Color.gray;
public static final Color SELECTED_FRAME_FOREGROUND = Color.black;
protected SeparatorWithText mySeparatorComponent = createSeparator();
protected abstract JComponent createItemComponent();
protected JComponent myComponent;
protected MyComponent myRendererComponent;
protected JLabel myTextLabel;
public GroupedElementsRenderer() {
myRendererComponent = new MyComponent();
myComponent = createItemComponent();
layout();
}
protected abstract void layout();
protected SeparatorWithText createSeparator() {
return new SeparatorWithText();
}
protected final JComponent configureComponent(String text, String tooltip, Icon icon, Icon disabledIcon, boolean isSelected, boolean hasSeparatorAbove, String separatorTextAbove, int preferredForcedWidth) {
mySeparatorComponent.setVisible(hasSeparatorAbove);
mySeparatorComponent.setCaption(separatorTextAbove);
mySeparatorComponent.setMinimumWidth(preferredForcedWidth);
myTextLabel.setText(text);
myTextLabel.setToolTipText(tooltip);
myTextLabel.setIcon(icon);
myTextLabel.setDisabledIcon(disabledIcon);
if (myTextLabel instanceof EngravedLabel) {
((EngravedLabel)myTextLabel).setShadowColor(isSelected ? UIUtil.getTreeSelectionBackground() : null);
}
if (isSelected) {
//myComponent.setBorder(getSelectedBorder());
setSelected(myComponent);
setSelected(myTextLabel);
} else {
//myComponent.setBorder(getBorder());
setDeselected(myComponent);
setDeselected(myTextLabel);
}
adjustOpacity(myTextLabel, isSelected);
myRendererComponent.setPrefereedWidth(preferredForcedWidth);
return myRendererComponent;
}
protected static void adjustOpacity(JComponent component, boolean selected) {
if (selected) {
if (UIUtil.isUnderNimbusLookAndFeel()) {
component.setOpaque(true);
}
}
else {
if (UIUtil.isUnderGTKLookAndFeel() || UIUtil.isUnderNimbusLookAndFeel()) {
component.setOpaque(false);
}
}
}
protected final void setSelected(JComponent aComponent) {
aComponent.setBackground(getSelectionBackground());
aComponent.setForeground(getSelectionForeground());
}
protected final void setDeselected(JComponent aComponent) {
aComponent.setBackground(getBackground());
aComponent.setForeground(getForeground());
}
protected abstract Color getSelectionBackground();
protected abstract Color getSelectionForeground();
protected abstract Color getBackground();
protected abstract Color getForeground();
protected Border getDefaultItemComponentBorder() {
return getBorder();
}
private static Border getSelectedBorder() {
return UIUtil.isToUseDottedCellBorder() ? new DottedBorder(UIUtil.getListCellPadding(), SELECTED_FRAME_FOREGROUND) : new EmptyBorder(UIUtil.getListCellPadding());
}
private static Border getBorder() {
return new EmptyBorder(UIUtil.getListCellPadding());
}
public abstract static class List extends GroupedElementsRenderer {
@Override
protected void layout() {
myRendererComponent.add(mySeparatorComponent, BorderLayout.NORTH);
myRendererComponent.add(myComponent, BorderLayout.CENTER);
}
@Override
protected final Color getSelectionBackground() {
return UIUtil.getListSelectionBackground();
}
@Override
protected final Color getSelectionForeground() {
return UIUtil.getListSelectionForeground();
}
@Override
protected Color getBackground() {
return UIUtil.getListBackground();
}
@Override
protected Color getForeground() {
return UIUtil.getListForeground();
}
}
public abstract static class Tree extends GroupedElementsRenderer implements TreeCellRenderer {
@Override
protected void layout() {
myRendererComponent.add(mySeparatorComponent, BorderLayout.NORTH);
myRendererComponent.add(myComponent, BorderLayout.WEST);
}
@Override
protected final Color getSelectionBackground() {
return UIUtil.getTreeSelectionBackground();
}
@Override
protected final Color getSelectionForeground() {
return UIUtil.getTreeSelectionForeground();
}
@Override
protected final Color getBackground() {
return UIUtil.getTreeTextBackground();
}
@Override
protected final Color getForeground() {
return UIUtil.getTreeTextForeground();
}
}
protected class MyComponent extends OpaquePanel {
private int myPrefWidth = -1;
public MyComponent() {
super(new BorderLayout(), GroupedElementsRenderer.this.getBackground());
}
public void setPrefereedWidth(final int minWidth) {
myPrefWidth = minWidth;
}
@Override
public Dimension getPreferredSize() {
final Dimension size = super.getPreferredSize();
size.width = myPrefWidth == -1 ? size.width : myPrefWidth;
return size;
}
}
}
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