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//+======================================================================
// $Source:  $
//
// Project:   Tango
//
// Description:  Basic Dialog Class to display info
//
// $Author: pascal_verdier $
//
// Copyright (C) :      2004,2005,2006,2007,2008,2009,2009
//						European Synchrotron Radiation Facility
//                      BP 220, Grenoble 38043
//                      FRANCE
//
// This file is part of Tango.
//
// Tango 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.
// 
// Tango 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 Tango.  If not, see .
//
// $Revision:  $
//
// $Log:  $
//
//-======================================================================

package admin.astor;

import fr.esrf.Tango.DevFailed;
import fr.esrf.TangoApi.ApiUtil;
import fr.esrf.TangoApi.DeviceData;
import fr.esrf.tangoatk.widget.util.ATKGraphicsUtils;

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import java.util.List;


/**
 *	JDialog Class to display a host list, to select one of them
 *	and to return the list of servers registered for this host.
 *
 *	@author  Pascal Verdier
 */
@SuppressWarnings("MagicConstant")
public class HostList extends JDialog {
	private JDialog	parent;
    private TangoHost[] hosts;
    private String      selectedHostName;

    private int	retVal = JOptionPane.OK_OPTION;
	//===============================================================
	/**
	 *	Creates new form HostList
	 */
	//===============================================================
	public HostList(JDialog parent, String theHost) throws DevFailed {
		super(parent, true);
		this.parent = parent;
		initComponents();
        hosts =  AstorUtil.getInstance().getTangoHostList();
        List hostNames = new ArrayList<>();
        int i=0;
        for (TangoHost host : hosts) {
            int start = host.name().lastIndexOf('/');
            if (start>0)
                hostNames.add(host.name().substring(start+1));
            else
                hostNames.add(host.name());
        }

        //  Remove theHost
        for (String hostName : hostNames) {
            if (hostName.equals(theHost)) {
                hostNames.remove(hostName);
                break;
            }
        }

        hostList.setListData(hostNames.toArray(new String[hostNames.size()]));
        hostList.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                listSelectionPerformed(e);
            }
        });

        titleLabel.setText("Host List ");

        int h = 20*hostNames.size();
        if (h>600)  h = 600;
        jScrollPane1.setPreferredSize(new Dimension(200, h));
		pack();
 		ATKGraphicsUtils.centerDialog(this);
	}

	//===============================================================
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
	//===============================================================
    // //GEN-BEGIN:initComponents
    private void initComponents() {

        javax.swing.JPanel topPanel = new javax.swing.JPanel();
        titleLabel = new javax.swing.JLabel();
        javax.swing.JPanel bottomPanel = new javax.swing.JPanel();
        javax.swing.JButton okBtn = new javax.swing.JButton();
        javax.swing.JButton cancelBtn = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        hostList = new javax.swing.JList<>();

        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                closeDialog(evt);
            }
        });

        titleLabel.setFont(new java.awt.Font("Dialog", 1, 18)); // NOI18N
        titleLabel.setText("Hosts in control system");
        topPanel.add(titleLabel);

        getContentPane().add(topPanel, java.awt.BorderLayout.NORTH);

        okBtn.setText("OK");
        okBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                okBtnActionPerformed(evt);
            }
        });
        bottomPanel.add(okBtn);

        cancelBtn.setText("Cancel");
        cancelBtn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelBtnActionPerformed(evt);
            }
        });
        bottomPanel.add(cancelBtn);

        getContentPane().add(bottomPanel, java.awt.BorderLayout.SOUTH);

        jScrollPane1.setViewportView(hostList);

        getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);

        pack();
    }// //GEN-END:initComponents

    //===============================================================
    //===============================================================
    @SuppressWarnings("unused")
    private TangoHost getHost(String name) {
        String  deviceName = AstorUtil.getStarterDeviceHeader()+name.toLowerCase();
        for (TangoHost host : hosts)
            if (host.name().toLowerCase().equals(deviceName))
                return host;
        return null;
    }
    //===============================================================
    //===============================================================
    public List getServerList() throws DevFailed {

        DeviceData argIn = new DeviceData();
        argIn.insert(selectedHostName);
        //cout << "DbGetHostServerList for " << hostnames[i] << endl;
        DeviceData  argOut = ApiUtil.get_db_obj().command_inout("DbGetHostServerList", argIn);
        String[] serverList = argOut.extractStringArray();
        List  list = new ArrayList<>();
        for (String server : serverList) {
            if (!server.startsWith("Starter/"))
                list.add(server);
        }
        return list;
    }
    //===============================================================
    //===============================================================
    public String getSelectedHostName() {
        return selectedHostName;
    }
    //===============================================================
    //===============================================================
    private void listSelectionPerformed(MouseEvent evt) {
        System.out.println("In listSelectionPerformed() " + evt.getClickCount());
        //	Check if double click
        if (evt.getClickCount() == 2) {
            selectedHostName = hostList.getSelectedValue();
            retVal = JOptionPane.OK_OPTION;
            doClose();
        }
    }
	//===============================================================
	//===============================================================
	@SuppressWarnings("UnusedParameters")
    private void okBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okBtnActionPerformed
        selectedHostName = hostList.getSelectedValue();
        retVal = JOptionPane.OK_OPTION;
        doClose();
	}//GEN-LAST:event_okBtnActionPerformed

	//===============================================================
	//===============================================================
    @SuppressWarnings("UnusedParameters")
	private void cancelBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelBtnActionPerformed
		retVal = JOptionPane.CANCEL_OPTION;
		doClose();
	}//GEN-LAST:event_cancelBtnActionPerformed

	//===============================================================
	//===============================================================
    @SuppressWarnings("UnusedParameters")
	private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog
		retVal = JOptionPane.CANCEL_OPTION;
		doClose();
	}//GEN-LAST:event_closeDialog

	//===============================================================
	/**
	 *	Closes the dialog
	 */
	//===============================================================
	private void doClose() {
	
		if (parent==null)
			System.exit(0);
		else {
			setVisible(false);
			dispose();
		}
	}
	//===============================================================
	//===============================================================
	public int showDialog() {
		setVisible(true);
		return retVal;
	}

	//===============================================================
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JList hostList;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JLabel titleLabel;
    // End of variables declaration//GEN-END:variables
	//===============================================================
}