package animation3d.gui;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.ArrayList;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class SingleSlider extends JPanel implements FocusListener, NumberField.Listener {
public static void main(String[] args) {
JFrame frame = new JFrame();
SingleSlider slider = new SingleSlider(100, 75, new Color(255, 0, 0, 100));
frame.getContentPane().add(slider);
frame.pack();
frame.setVisible(true);
}
public static interface Listener {
public void sliderChanged();
}
private static final long serialVersionUID = 1L;
private SingleSliderCanvas slider;
private NumberField maxTF = new NumberField(4);
private ArrayList<Listener> listeners = new ArrayList<Listener>();
public SingleSlider(int realMax, int setMax, Color color) {
super();
maxTF.setIntegersOnly(true);
maxTF.addListener(this);
maxTF.addNumberFieldFocusListener(this);
this.slider = new SingleSliderCanvas(realMax, setMax, color, this);
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
c.gridx = 0;
c.gridy = 0;
c.fill = GridBagConstraints.HORIZONTAL;
c.gridwidth = 1;
c.insets = new Insets(0, 2, 0, 5);
c.weightx = 1.0;
add(slider, c);
c.fill = GridBagConstraints.NONE;
c.weightx = 0;
c.gridwidth = 1;
c.insets = new Insets(3, 3, 0, 3);
c.gridx = 1;
c.anchor = GridBagConstraints.WEST;
add(maxTF, c);
// c.gridx = 2;
// c.anchor = GridBagConstraints.EAST;
// add(maxTF, c);
updateTextfieldsFromSliders();
}
public void setColor(Color c) {
slider.setColor(c);
}
public SingleSliderCanvas getCanvas() {
return slider;
}
public NumberField getMaxField() {
return maxTF;
}
public int getMax() {
return slider.setMax;
}
public void setMax(int max) {
slider.setMax = max;
maxTF.setText(Integer.toString(max));
slider.repaint();
}
@Override
public void focusGained(FocusEvent e) {
JTextField tf = (JTextField)e.getSource();
tf.selectAll();
}
@Override
public void focusLost(FocusEvent e) {
valueChanged(0);
}
@Override
public void valueChanged(double v) {
try {
slider.setMax = Integer.parseInt(maxTF.getText());
slider.repaint();
fireSliderChanged();
} catch(Exception ex) {
}
}
private void updateTextfieldsFromSliders() {
maxTF.setText(Integer.toString(slider.setMax));
fireSliderChanged();
}
public void set(final int realMax, final int setMax, Color color) {
slider.set(realMax, setMax, color);
maxTF.setText(Integer.toString(slider.setMax));
}
public void addSliderChangeListener(Listener l) {
listeners.add(l);
}
public void removeSliderChangeListener(Listener l) {
listeners.remove(l);
}
private void fireSliderChanged() {
for(Listener l : listeners)
l.sliderChanged();
}
static class SingleSliderCanvas extends DoubleBuffer implements MouseMotionListener, MouseListener {
private static final long serialVersionUID = 1L;
private Color color;
private int realMax;
private int setMax;
private DiagramCanvas diagram;
private SingleSlider slider;
public SingleSliderCanvas(final int realMax, int setMax, Color color, SingleSlider slider) {
this.color = color;
this.slider = slider;
this.setMax = setMax;
this.realMax = realMax;
this.diagram = new DiagramCanvas();
diagram.setMargins(2, 2, 2, 2);
diagram.setBoundingBox(0, 0, realMax, 5);
this.addMouseMotionListener(this);
this.addMouseListener(this);
this.setBackground(Color.WHITE);
this.setFont(new Font("Helvetica", Font.PLAIN, 10));
this.addComponentListener(new ComponentAdapter() {
@Override
public void componentResized(ComponentEvent e) {
diagram.setSizes(getWidth(), getHeight());
}
});
}
public void setColor(Color c) {
this.color = c;
repaint();
}
@Override
public Dimension getPreferredSize() {
return new Dimension(0, 12);
}
@Override
public Dimension getMinimumSize() {
return new Dimension(0, 12);
}
void set(final int realMax, final int setMax, Color color) {
this.color = color;
this.setMax = setMax;
this.realMax = realMax;
diagram.setBoundingBox(0, 0, realMax, 5);
repaint();
}
@Override
public void mouseClicked(MouseEvent e) {}
@Override
public void mouseEntered(MouseEvent e) {}
@Override
public void mouseExited(MouseEvent e) {}
private final int DRAG_NONE = 0;
private final int DRAG_RIGHT = 2;
private int drag = DRAG_NONE;
@Override
public void mousePressed(MouseEvent e) {
int x = e.getX();
if(Math.abs(x - diagram.canvasX(setMax)) < 3) {
drag = DRAG_RIGHT;
}
else {
drag = DRAG_NONE;
}
}
@Override
public void mouseReleased(MouseEvent e) {
drag = DRAG_NONE;
setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
private final int clamp(int v, int min, int max) {
return Math.max(min, Math.min(max, v));
}
@Override
public void mouseDragged(MouseEvent e) {
if(drag == DRAG_NONE)
return;
if(drag == DRAG_RIGHT) {
setMax = clamp((int)Math.round(diagram.realX(e.getX())), 0, realMax);
}
slider.updateTextfieldsFromSliders();
repaint();
}
@Override
public void mouseMoved(MouseEvent e) {
int x = e.getX();
if(Math.abs(x - diagram.canvasX(setMax)) < 3) {
setCursor(Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR));
}
else {
setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
@Override
public void paintBuffer(Graphics gx) {
Graphics2D g = (Graphics2D)gx;
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.clearRect(0, 0, getWidth(), getHeight());
g.setColor(color);
int x1 = diagram.canvasX(setMax);
int wi = x1 - 0;
g.fillRect(0, diagram.getTopPixel() - 1, wi, diagram.getAvailableHeight() + 1);
g.setColor(Color.BLACK);
g.drawRect(0, diagram.getTopPixel() - 1, wi, diagram.getAvailableHeight() + 1);
g.setColor(Color.BLACK);
diagram.drawFrame(gx);
}
}
}
