/*
* 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.vcs.log.ui;
import com.intellij.icons.AllIcons;
import com.intellij.ide.DataManager;
import com.intellij.openapi.actionSystem.ActionGroup;
import com.intellij.openapi.ui.popup.JBPopupFactory;
import com.intellij.openapi.ui.popup.ListPopup;
import com.intellij.ui.ClickListener;
import com.intellij.ui.RoundedLineBorder;
import com.intellij.util.ui.JBUI;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import javax.swing.border.Border;
import java.awt.event.*;
public abstract class VcsLogPopupComponent extends JPanel {
private static final int GAP_BEFORE_ARROW = 3;
private static final int BORDER_SIZE = 2;
@NotNull private final String myName;
@NotNull private JLabel myNameLabel;
@NotNull private JLabel myValueLabel;
protected VcsLogPopupComponent(@NotNull String name) {
myName = name;
}
public JComponent initUi() {
myNameLabel = new JLabel(myName + ": ");
myValueLabel = new JLabel() {
@Override
public String getText() {
return getCurrentText();
}
};
setDefaultForeground();
setFocusable(true);
setBorder(createUnfocusedBorder());
setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
add(myNameLabel);
add(myValueLabel);
add(Box.createHorizontalStrut(GAP_BEFORE_ARROW));
add(new JLabel(AllIcons.Ide.Statusbar_arrows));
installChangeListener(() -> {
myValueLabel.revalidate();
myValueLabel.repaint();
});
showPopupMenuOnClick();
showPopupMenuFromKeyboard();
indicateHovering();
indicateFocusing();
return this;
}
public abstract String getCurrentText();
public abstract void installChangeListener(@NotNull Runnable onChange);
/**
* Create popup actions available under this filter.
*/
protected abstract ActionGroup createActionGroup();
private void indicateFocusing() {
addFocusListener(new FocusAdapter() {
@Override
public void focusGained(@NotNull FocusEvent e) {
setBorder(createFocusedBorder());
}
@Override
public void focusLost(@NotNull FocusEvent e) {
setBorder(createUnfocusedBorder());
}
});
}
private void showPopupMenuFromKeyboard() {
addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(@NotNull KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ENTER || e.getKeyCode() == KeyEvent.VK_DOWN) {
showPopupMenu();
}
}
});
}
private void showPopupMenuOnClick() {
new ClickListener() {
@Override
public boolean onClick(@NotNull MouseEvent event, int clickCount) {
showPopupMenu();
return true;
}
}.installOn(this);
}
private void indicateHovering() {
addMouseListener(new MouseAdapter() {
@Override
public void mouseEntered(@NotNull MouseEvent e) {
setOnHoverForeground();
}
@Override
public void mouseExited(@NotNull MouseEvent e) {
setDefaultForeground();
}
});
}
private void setDefaultForeground() {
myNameLabel.setForeground(UIUtil.isUnderDarcula() ? UIUtil.getLabelForeground() : UIUtil.getInactiveTextColor());
myValueLabel.setForeground(UIUtil.isUnderDarcula() ? UIUtil.getLabelForeground() : UIUtil.getInactiveTextColor().darker().darker());
}
private void setOnHoverForeground() {
myNameLabel.setForeground(UIUtil.isUnderDarcula() ? UIUtil.getLabelForeground() : UIUtil.getTextAreaForeground());
myValueLabel.setForeground(UIUtil.isUnderDarcula() ? UIUtil.getLabelForeground() : UIUtil.getTextFieldForeground());
}
private void showPopupMenu() {
ListPopup popup = createPopupMenu();
popup.showUnderneathOf(this);
}
@NotNull
protected ListPopup createPopupMenu() {
return JBPopupFactory.getInstance().
createActionGroupPopup(null, createActionGroup(), DataManager.getInstance().getDataContext(this),
JBPopupFactory.ActionSelectionAid.SPEEDSEARCH, false);
}
private static Border createFocusedBorder() {
return BorderFactory.createCompoundBorder(new RoundedLineBorder(UIUtil.getHeaderActiveColor(), 10, BORDER_SIZE), JBUI.Borders.empty(2));
}
private static Border createUnfocusedBorder() {
return BorderFactory
.createCompoundBorder(BorderFactory.createEmptyBorder(BORDER_SIZE, BORDER_SIZE, BORDER_SIZE, BORDER_SIZE), JBUI.Borders.empty(2));
}
}