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package gdt.jgui.console;
/*
 * Copyright 2016 Alexander Imas
 * This file is part of JEntigrator.

    JEntigrator is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    JEntigrator is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with JEntigrator.  If not, see .
 */

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;

import java.util.ArrayList;
import java.util.Comparator;
import java.util.logging.Logger;

import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import javax.swing.BoxLayout;
import javax.swing.JScrollPane;

import gdt.data.grain.Locator;
/**
 * This abstract class is a super class for list consoles
 * which contains instances of the JItemPanel class. 
 * @author imasa
 *
 */
public  abstract class JItemsListPanel extends JPanel implements JContext{
	public static final String POSITION="position";
	protected JPanel panel;
	protected JScrollPane scrollPane;
	protected JScrollBar vertical;
	protected int pos=-1;
	int calls=-1;
	/**
	 * The default constructor.
	 */
	public JItemsListPanel() {
		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
		scrollPane = new JScrollPane();
		add(scrollPane);
		panel = new JPanel();
		panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
		scrollPane.getViewport().add(panel);
		vertical = scrollPane.getVerticalScrollBar();
		vertical.addAdjustmentListener( new AdjustmentListener() {
		      
			@Override
			public void adjustmentValueChanged(AdjustmentEvent e) {
			  try{
				 
				  if(calls++>2){
			   			pos=vertical.getValue();
			   		//	System.out.println("JItemsPanel:AdjustmentListener:position="+pos);
						return;
			   		}
		   	String position$=Locator.getProperty(locator$, POSITION);
		//   	System.out.println("JItemsListPanel:AdjustmentListener:position given="+pos+" current="+vertical.getValue());
		   	 if(position$!=null){
		   		 int position=Integer.parseInt(position$);
		   		 if(vertical.getValue()!=pos)
		   		     vertical.setValue(pos);
		   	 }
			  }catch(Exception ee){
				  LOGGER.severe(ee.toString());
			  }
			}
		      });
		
	}
	private static final long serialVersionUID = 1L;
    private Logger LOGGER=Logger.getLogger(JItemsListPanel.class.getName());
    protected JMainConsole console;
    protected JMenuItem selectItem;
    JMenuItem unselectItem;
    JMenuItem recentItem;
    JMenuItem countItem;
    protected JMenu menu;
    protected JMenuItem[] mia;
    protected String locator$;
   /**
    * Get the basic context menu for lists.
    */
    @Override
	public JMenu getContextMenu() {
	   menu=new JMenu("Context");
	   selectItem = new JMenuItem("Select all");
	   selectItem.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
		      JItemPanel[] ipa=getItems();
		      if(ipa!=null){
		    	  for(JItemPanel ip:ipa)
		    		  ip.setChecked(true);
		      }
			}
		} );
		menu.add(selectItem);
		unselectItem = new JMenuItem("Unselect all");
		   unselectItem.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
			      JItemPanel[] ipa=getItems();
			      if(ipa!=null){
			    	  for(JItemPanel ip:ipa)
			    		  ip.setChecked(false);
			      }
				}
			} );
		   menu.add(unselectItem); 
		//
		   countItem = new JMenuItem("Count all");
		   countItem.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
			      int cnt=0;  
				JItemPanel[] ipa=getItems();
			      if(ipa!=null)
			    	  cnt=ipa.length;
			      JOptionPane.showMessageDialog(JItemsListPanel.this, String.valueOf(cnt));
			      
				}
			} );
		
		   //
		   
			menu.add(countItem);
			 recentItem = new JMenuItem("Put as recent");
			   recentItem.addActionListener(new ActionListener() {
					@Override
					public void actionPerformed(ActionEvent e) {
				      console.getRecents().put(getTitle(), getLocator());
					}
				} );
				menu.add(recentItem);	
		return menu;
		
	}
/**
 * Put items into list.    
 * @param ipa the item panel array.
 */
    protected void putItems(JItemPanel[] ipa) {
    	panel.removeAll();
    	setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
		 if(ipa!=null)
			 for(JItemPanel aIpl:ipa){
				 panel.add(aIpl);
			 }
	}
    protected void clearItems() {
    	panel.removeAll();
	}
    /**
     * Get items of the list.
     * @return the array of the item panels.
     */
   public JItemPanel[] getItems(){
	 
	  try{
		  int cnt=panel.getComponentCount();
		  JItemPanel[] ipa=new JItemPanel[cnt];
		  for(int i=0;isl=new ArrayList();
	   for(int i=0;i{
    @Override
    public int compare(JItemPanel o1, JItemPanel o2) {
    	try{
    		return o1.getTitle().compareToIgnoreCase(o2.getTitle());
    	}catch(Exception e){
    		return 0;
    	}
    }
}
public int getPosition(){
	return vertical.getValue();
}
}