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import java.awt.Color;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import javax.swing.JCheckBox;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.Scrollable;
public class AlphaListenerScrollPanel extends JScrollPane{
ArrayList _list;
AlphaListenerScrollPanel _me;
AlphaPanel _alphapan;
AlphaListenerScrollPanel(String[] list)
{
super(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
_me = this;
this.setBounds(2, 25, 96,80);
_list = new ArrayList();
for (int i = 0; i< list.length; i++)
{
MyCheckBox jc = new MyCheckBox(list[i],true);
jc.addActionListener(new CheckListener());
_list.add(jc);
}
Collections.sort(_list);
_alphapan = new AlphaPanel(_list);
this.setWheelScrollingEnabled(true);
this.setViewportView(_alphapan);
this.revalidate();
}
class MyCheckBox extends JCheckBox implements Comparable
{
MyCheckBox(String val, boolean check)
{
super(val, check);
}
public int compareTo(Object o) {
return( this.getText().compareTo(((JCheckBox)o).getText()));
}
}
public void alphaScroll(String val)
{
System.out.println("auto scroll?");
for (int i = 0 ; i< _list.size(); i++)
{
String t = ((MyCheckBox)_list.get(i)).getText();
if (t.matches(val+".*"))
{
Rectangle rec = ((MyCheckBox)_list.get(i)).getBounds();
rec.height=rec.height+40;
rec.width = rec.width-20;
System.out.println("autoscrollmatch?"+ rec);
_alphapan.scrollRectToVisible(rec);
_me.revalidate();
return;
}
}
}
class CheckListener implements ActionListener
{
public void actionPerformed(ActionEvent event) {
// TODO Auto-generated method stub
}
}
private class AlphaPanel extends JPanel
{
AlphaPanel(ArrayList list)
{
super();
this.setLayout(null);
this.setBackground(Color.BLUE);
int pos = 0;
for (int i =0 ; i< list.size() ; i++)
{
System.out.println("ajout" + _me.getWidth() );
((MyCheckBox)list.get(i)).setBounds(0,pos , _me.getWidth(), 20);
this.add(((MyCheckBox)list.get(i)));
pos = pos + 20;
}
System.out.println(this.getSize());
this.setBounds(0, 0, _me.getWidth(), pos);
this.setVisible(true);
_me.getViewport().updateUI();
}
}
public String[] getSelectedString()
{
int count = 0;
for (int i = 0 ; i< _list.size(); i++)
{
if (((MyCheckBox)_list.get(i)).isSelected()) count++;
}
String[] selection = new String[count];
count = 0;
for (int i = 0 ; i< _list.size(); i++)
{
if (((MyCheckBox)_list.get(i)).isSelected())
{
selection[count] = ((MyCheckBox)_list.get(i)).getText();
count++;
}
}
return selection;
}
public void selectAll()
{
for (int i=0; i< _list.size(); i++)
{
((MyCheckBox)_list.get(i)).setSelected(true);
}
}
public void selectNone()
{
for (int i=0; i< _list.size(); i++)
{
((MyCheckBox)_list.get(i)).setSelected(false);
}
}
public void updateList(String[] items)
{
System.out.println("bouh");
ArrayList oldlist = new ArrayList();
for (int i=0; i< _list.size(); i++)
{
oldlist.add(((MyCheckBox)_list.get(i)).getText());
}
for (int i = 0 ; i< items.length; i++)
{
if (oldlist.contains(items[i])) oldlist.remove(items[i]);
else
{
_list.add(new MyCheckBox(items[i],false));
}
}
if (!oldlist.isEmpty()) // some items are in the old list but not in the new
{
for (int i =0 ; i< oldlist.size(); i++)
{
for (int j =0 ; j< _list.size(); j++)
{
if (((MyCheckBox)_list.get(j)).getText().equals(items[i]))
_list.remove(j);
}
}
}
Collections.sort(_list);
}
/* public static void main(String[] args) {
String[] l= new String[]{"bi","be","bu"};
AlphaListenerScrollPanel al = new AlphaListenerScrollPanel(l);
System.out.println("op "+_list.size());
String[] l2= new String[]{"bi","be","toto","titi"};
al.updateList(l2);
System.out.println("op "+_list.size());
}*/
} |
JScrollPane et roulette de la souris
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