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package cppcheckplus.control;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.TexturePaint;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.Border;
public class MyHeader extends JPanel {
public static final ImageIcon RIGHT_ARROW_ICON =
MyContorlUtil.getImageIcon("control/images/shrink_handler_right.png");
public static final ImageIcon LEFT_ARROW_ICON =
MyContorlUtil.getImageIcon("control/images/shrink_handler_left.png");
private Color titleColor;
private boolean shrinked;
private ImageIcon backgroundImageIcon;
private Image backgroundLeftImage;
private Image backgroundRightImage;
private TexturePaint paint;
private int preferredHeight;
private JLabel lbResizeHandler;
private JLabel lbShrinkHandler;
private JLabel lbTitle;
private int normalPreferredWidth;
private MyListSplitListener splitListener;
private MouseListener shrinkListener;
public MyHeader() {
super();
titleColor = new Color(215, 215, 216);
shrinked = false;
backgroundImageIcon =
MyContorlUtil.getImageIcon("control/images/header_background.png");
backgroundLeftImage =
MyContorlUtil.getImage("control/images/header_background_left.png");
backgroundRightImage = MyContorlUtil.getImage(
"control/images/header_background_right.png");
paint = MyContorlUtil.createTexturePaint(
"control/images/header_background.png");
preferredHeight = backgroundImageIcon.getIconHeight();
lbResizeHandler = new JLabel(
MyContorlUtil.getImageIcon("control/images/resize_handler.png"));
lbShrinkHandler = new JLabel(getShrinkIcon(shrinked));
lbTitle = new JLabel();
normalPreferredWidth = 0;
splitListener = createSplitListener();
shrinkListener = new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
changeShrink();
}
};
init();
}
protected MyListSplitListener createSplitListener() {
return new MyListSplitListener(this);
}
protected Border createBorder() {
return BorderFactory.createEmptyBorder(4, 7, 0, 0);
}
private void init() {
setBorder(createBorder());
setOpaque(false);
setLayout(new BorderLayout());
add(lbResizeHandler, getResizeHandlerLayoutConstraint());
add(lbShrinkHandler, getShrinkHandlerLayoutConstraint());
JComponent centerComponent = getCenterComponent();
if (centerComponent != null) {
add(centerComponent, "Center");
}
lbResizeHandler.addMouseMotionListener(splitListener);
lbResizeHandler.addMouseListener(splitListener);
lbShrinkHandler.addMouseListener(shrinkListener);
lbTitle.setFont(MyContorlUtil.FONT_14_BOLD);
lbTitle.setForeground(titleColor);
lbTitle.setBorder(BorderFactory.createEmptyBorder(2, 8, 0, 0));
updateCursor();
lbShrinkHandler.setBorder(BorderFactory.createEmptyBorder(0, 8, 2, 5));
}
protected JComponent getCenterComponent() {
return lbTitle;
}
protected Object getResizeHandlerLayoutConstraint() {
return "West";
}
protected Object getShrinkHandlerLayoutConstraint() {
return "East";
}
protected void paintComponent(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
g2d.setPaint(paint);
g2d.fillRect(0, 0, getWidth(), getHeight());
g2d.drawImage(backgroundLeftImage, 0, 0, null);
int x = getWidth() - backgroundRightImage.getWidth(null);
int y = 0;
g2d.drawImage(backgroundRightImage, x, y, null);
}
public Dimension getPreferredSize() {
return new Dimension(super.getPreferredSize().width, preferredHeight);
}
public void revalidateParent() {
if (getParent() instanceof JComponent) {
((JComponent) getParent()).revalidate();
}
}
public void changeShrink() {
setShrink(!isShrinked());
}
public void setShrink(boolean shrinked) {
if (shrinked != this.shrinked) {
Container parent = getParent();
Dimension size = parent.getPreferredSize();
if (shrinked) {
normalPreferredWidth = size.width;
size = new Dimension(getShrinkedWidth(), size.height);
} else {
int width = normalPreferredWidth;
int height = parent.getPreferredSize().height;
size = new Dimension(width, height);
}
parent.setPreferredSize(size);
lbShrinkHandler.setIcon(getShrinkIcon(shrinked));
revalidateParent();
this.shrinked = shrinked;
updateCursor();
lbTitle.setVisible(!shrinked);
lbResizeHandler.setVisible(!shrinked);
}
}
protected ImageIcon getShrinkIcon(boolean shrinked) {
if (shrinked) {
return LEFT_ARROW_ICON;
} else {
return RIGHT_ARROW_ICON;
}
}
private void updateCursor() {
if (shrinked) {
lbResizeHandler.setCursor(Cursor.getDefaultCursor());
} else {
lbResizeHandler.setCursor(Cursor.getPredefinedCursor(10));
}
}
public boolean isShrinked() {
return shrinked;
}
public String getTitle() {
return lbTitle.getText();
}
public void setTitle(String title) {
lbTitle.setText(title);
}
protected int getShrinkedWidth() {
return 37;
}
}
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