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/*
* Copyright 2000-2012 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.icons.AllIcons;
import com.intellij.openapi.ui.popup.ListItemDescriptorAdapter;
import com.intellij.openapi.ui.popup.ListPopupStep;
import com.intellij.ui.ColorUtil;
import com.intellij.util.ui.UIUtil;
import javax.swing.*;
public class PopupListElementRenderer extends GroupedItemsListRenderer {
private final ListPopupImpl myPopup;
public PopupListElementRenderer(final ListPopupImpl aPopup) {
super(new ListItemDescriptorAdapter() {
@Override
public String getTextFor(Object value) {
return aPopup.getListStep().getTextFor(value);
}
@Override
public Icon getIconFor(Object value) {
return aPopup.getListStep().getIconFor(value);
}
@Override
public boolean hasSeparatorAboveOf(Object value) {
return aPopup.getListModel().isSeparatorAboveOf(value);
}
@Override
public String getCaptionAboveOf(Object value) {
return aPopup.getListModel().getCaptionAboveOf(value);
}
});
myPopup = aPopup;
}
@Override
protected void customizeComponent(JList list, Object value, boolean isSelected) {
ListPopupStep<Object> step = myPopup.getListStep();
boolean isSelectable = step.isSelectable(value);
myTextLabel.setEnabled(isSelectable);
if (step.isMnemonicsNavigationEnabled()) {
final int pos = step.getMnemonicNavigationFilter().getMnemonicPos(value);
if (pos != -1) {
String text = myTextLabel.getText();
text = text.substring(0, pos) + text.substring(pos + 1);
myTextLabel.setText(text);
myTextLabel.setDisplayedMnemonicIndex(pos);
}
}
else {
myTextLabel.setDisplayedMnemonicIndex(-1);
}
if (step.hasSubstep(value) && isSelectable) {
myNextStepLabel.setVisible(true);
final boolean isDark = ColorUtil.isDark(UIUtil.getListSelectionBackground());
myNextStepLabel.setIcon(isSelected ? isDark ? AllIcons.Icons.Ide.NextStepInverted
: AllIcons.Icons.Ide.NextStep
: AllIcons.Icons.Ide.NextStepGrayed);
}
else {
myNextStepLabel.setVisible(false);
//myNextStepLabel.setIcon(PopupIcons.EMPTY_ICON);
}
if (isSelected) {
setSelected(myNextStepLabel);
}
else {
setDeselected(myNextStepLabel);
}
}
}
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