/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

package installer;

import java.awt.*;
import java.awt.event.*;
import java.util.*;

import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;

public class IdeVersion extends javax.swing.JPanel implements ActionListener, TableModelListener {

    /** Creates new form Welcome */
    public IdeVersion(InstallWizard wizard) {
        this.wizard=wizard;
    setBackground(Color.white);
        initComponents();
    }

    /** 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.
     */
    private void initComponents() {
        Properties props = null;
        JPanel versionPanel = new JPanel();
        setLayout(new BorderLayout());


    try {
        Properties netbeansProps = InstUtil.getNetbeansLocation();
        Properties ideProps = new Properties();
        if(netbeansProps!=null )
        {
                System.out.println("**** Found netbeans install");
        for( int n = 0; n < netbeansProps.size(); n++ ) {
            for( int v = 0; v < InstUtil.versions.length; v++ ) {
                System.out.println("n: " +n+" v: " +v);
                String key = InstUtil.versions[v];
                System.out.println("It got here1");
                String path = null;
                if ( (path = netbeansProps.getProperty(key) ) != null ) {
                    ideProps.put(key, path);
                }
            }
        }
        }
        props = ideProps;
        }
        catch (Exception e) {
            System.err.println("Exception thrown in initComponents");
        }

    tableModel = new MyTableModelIDE (props, InstUtil.versions);

    if (tableModel.getRowCount() == 0)
    {
            JOptionPane.showMessageDialog(this, "No compatible IDEs were found.", "Invalid versions", JOptionPane.ERROR_MESSAGE);
    }

        tableModel.addTableModelListener(this);
        JTable tableVersions = new JTable(tableModel) {
            @Override
            public String getToolTipText(MouseEvent event)
            {
                int col = columnAtPoint( event.getPoint() );
                if (col != 2)
                    return null;

                int row = rowAtPoint( event.getPoint() );
                Object o = getValueAt(row, col);

                if (o == null)
                    return null;

                if (o.toString().equals(""))
                    return null;

                return o.toString();
            }

            @Override
            public Point getToolTipLocation(MouseEvent event)
            {
                int col = columnAtPoint( event.getPoint() );
                if (col != 2)
                    return null;

                int row = rowAtPoint( event.getPoint() );
                Object o = getValueAt(row,col);

                if (o == null)
                    return null;

                if (o.toString().equals(""))
                    return null;

                Point pt = getCellRect(row, col, true).getLocation();
                pt.translate(-1,-2);
                return pt;
            }
        };

        JScrollPane scroll = new JScrollPane(tableVersions);

        tableVersions.setPreferredSize(
            new Dimension(InstallWizard.DEFWIDTH,InstallWizard.DEFHEIGHT));

        tableVersions.setRowSelectionAllowed(false);
        tableVersions.setColumnSelectionAllowed(false);
        tableVersions.setCellSelectionEnabled(false);

        initColumnSizes(tableVersions, tableModel);
        versionPanel.add(scroll);

        JTextArea area = new JTextArea("Please select IDEs below that you wish to add Scripting support to");
        area.setLineWrap(true);
        area.setEditable(false);
        add(area, BorderLayout.NORTH);
        add(versionPanel, BorderLayout.CENTER);
        nav = new NavPanel(wizard, true, false, true, InstallWizard.IDEWELCOME, InstallWizard.IDEFINAL);
        nav.setNextListener(this);
        add(nav, BorderLayout.SOUTH);

    }// initComponents


    @Override
    public java.awt.Dimension getPreferredSize() {
        return new java.awt.Dimension(320, 280);
    }


    public void actionPerformed(ActionEvent ev) {
        InstallWizard.clearLocations();
        int len = tableModel.data.size();
        for (int i = 0; i < len; i++) {
            ArrayList<?> list = tableModel.data.get(i);
            if (((Boolean)list.get(0)).booleanValue() == true)
                InstallWizard.storeLocation((String)list.get(2));
        }
    }


    public void tableChanged(TableModelEvent e) {
        if (tableModel.isAnySelected()) {
            nav.enableNext(true);
        }
        else {
            nav.enableNext(false);
        }
    }

    private void initColumnSizes(JTable table, MyTableModelIDE model) {
        TableColumn column = null;
        Component comp = null;
        int headerWidth = 0;
        int cellWidth = 0;
        int preferredWidth = 0;
        int totalWidth = 0;
        Object[] longValues = model.longValues;

        for (int i = 0; i < 3; i++) {
            column = table.getColumnModel().getColumn(i);

            try {
                comp = column.getHeaderRenderer().
                             getTableCellRendererComponent(
                                 null, column.getHeaderValue(),
                                 false, false, 0, 0);
                headerWidth = comp.getPreferredSize().width;
            } catch (NullPointerException e) {
                // System.err.println("Null pointer exception!");
                // System.err.println("  getHeaderRenderer returns null in 1.3.");
                // System.err.println("  The replacement is getDefaultRenderer.");
            }

            // need to replace spaces in String before getting preferred width
            if (longValues[i] instanceof String) {
                longValues[i] = ((String)longValues[i]).replace(' ', '_');
            }

            System.out.println("longValues: " + longValues[i]);
            comp = table.getDefaultRenderer(model.getColumnClass(i)).
                         getTableCellRendererComponent(
                             table, longValues[i],
                             false, false, 0, i);
            cellWidth = comp.getPreferredSize().width;

            preferredWidth = Math.max(headerWidth, cellWidth);

            if (false) {
                System.out.println("Initializing width of column "
                    + i + ". "
                    + "preferredWidth = " + preferredWidth
                    + "; totalWidth = " + totalWidth
                    + "; leftWidth = " + (InstallWizard.DEFWIDTH - totalWidth));
            }

            //XXX: Before Swing 1.1 Beta 2, use setMinWidth instead.
            if (i == 2) {
                if (preferredWidth > InstallWizard.DEFWIDTH - totalWidth)
                    column.setPreferredWidth(InstallWizard.DEFWIDTH - totalWidth);
                else
                    column.setPreferredWidth(preferredWidth);
            }
            else {
                column.setMinWidth(preferredWidth);
                totalWidth += preferredWidth;
            }
        }
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private InstallWizard wizard;
    private MyTableModelIDE  tableModel;
    private NavPanel nav;
    // End of variables declaration//GEN-END:variables

  }

class MyTableModelIDE extends AbstractTableModel {
    ArrayList<ArrayList<Object>> data;
    private String colNames[] = {"", "IDE Name", "IDE Location"};
    Object[] longValues = new Object[] {Boolean.TRUE, "Name", "Location"};

    MyTableModelIDE (Properties properties, String [] validVersions) {
        data = new ArrayList<ArrayList<Object>>();

        int len = validVersions.length;
        for (int i = 0; i < len; i++) {
            String key = validVersions[i];
            String path = null;

            if ((path = properties.getProperty(key)) != null) {
                ArrayList<Object> row = new ArrayList<Object>();
                row.add(0, Boolean.FALSE);

                row.add(1, key);
                if (key.length() > ((String)longValues[1]).length()) {
                    longValues[1] = key;
                }

                row.add(2, path);
                if (path.length() > ((String)longValues[2]).length()) {
                    longValues[2] = path;
                }

                data.add(row);
            }
        }
    }// MyTableModel

    public int getColumnCount() {
        return 3;
    }

    public int getRowCount() {
        return data.size();
    }

    @Override
    public String getColumnName(int col) {
        return colNames[col];
    }

    public Object getValueAt(int row, int col) {
        if (row < 0 || row > getRowCount() ||
            col < 0 || col > getColumnCount())
            return null;

        ArrayList<?> aRow = data.get(row);
        return aRow.get(col);
    }

        @Override
        public Class getColumnClass(int c) {
        return getValueAt(0, c).getClass();
        }

        @Override
        public boolean isCellEditable(int row, int col) {
        if (col == 0) {
            return true;
        } else {
            return false;
        }
        }

        @Override
        public void setValueAt(Object value, int row, int col) {
        ArrayList<Object> aRow = data.get(row);
        aRow.set(col, value);
        fireTableCellUpdated(row, col);
        }



        public boolean isAnySelected() {
        Iterator iter = data.iterator();
        while (iter.hasNext()) {
            ArrayList<?> row = (ArrayList<?>)iter.next();
            if (((Boolean)row.get(0)).booleanValue() == true) {
            return true;
            }
        }
        return false;
        }

}