/*
* Copyright 2000-2016 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.popup.list;
import com.intellij.openapi.ui.popup.ListItemDescriptor;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.ui.ErrorLabel;
import com.intellij.ui.GroupedElementsRenderer;
import com.intellij.util.ui.JBUI;
import javax.swing.*;
import java.awt.*;
public class GroupedItemsListRenderer<E> extends GroupedElementsRenderer.List implements ListCellRenderer<E> {
protected ListItemDescriptor<E> myDescriptor;
protected JLabel myNextStepLabel;
public JLabel getNextStepLabel() {
return myNextStepLabel;
}
public GroupedItemsListRenderer(ListItemDescriptor<E> descriptor) {
myDescriptor = descriptor;
}
@Override
public Component getListCellRendererComponent(JList<? extends E> list, E value, int index, boolean isSelected, boolean cellHasFocus) {
String caption = myDescriptor.getCaptionAboveOf(value);
boolean hasSeparator = myDescriptor.hasSeparatorAboveOf(value);
if (index == 0 && StringUtil.isEmptyOrSpaces(caption)) hasSeparator = false;
Icon icon = myDescriptor.getIconFor(value);
final JComponent result = configureComponent(myDescriptor.getTextFor(value), myDescriptor.getTooltipFor(value),
icon, icon, isSelected, hasSeparator,
caption, -1);
customizeComponent(list, value, isSelected);
return result;
}
@Override
protected JComponent createItemComponent() {
createLabel();
return layoutComponent(myTextLabel);
}
protected void createLabel() {
myTextLabel = new ErrorLabel();
myTextLabel.setBorder(JBUI.Borders.emptyBottom(1));
myTextLabel.setOpaque(true);
}
protected final JComponent layoutComponent(JComponent middleItemComponent) {
myNextStepLabel = new JLabel();
myNextStepLabel.setOpaque(true);
return JBUI.Panels.simplePanel(middleItemComponent)
.addToRight(myNextStepLabel)
.withBorder(getDefaultItemComponentBorder());
}
protected void customizeComponent(JList<? extends E> list, E value, boolean isSelected) {
}
}