tablecolumnpanel.java

eq跨平台查询工具源码 eq跨平台查询工具源码

/*
 * TableColumnPanel.java
 *
 * Copyright (C) 2002, 2003, 2004, 2005, 2006 Takis Diakoumis
 *
 * This program 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 2
 * of the License, or any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */


package org.executequery.gui.browser;

import java.awt.BorderLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.print.Printable;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

import org.executequery.Constants;
import org.executequery.GUIUtilities;
import org.executequery.gui.DefaultTable;
import org.executequery.print.TablePrinter;
import org.underworldlabs.swing.DisabledField;
import org.executequery.gui.forms.AbstractFormObjectViewPanel;


/* ----------------------------------------------------------
 * CVS NOTE: Changes to the CVS repository prior to the 
 *           release of version 3.0.0beta1 has meant a 
 *           resetting of CVS revision numbers.
 * ----------------------------------------------------------
 */

/**
 *
 * @author   Takis Diakoumis
 * @version  $Revision: 1.7 $
 * @date     $Date: 2006/09/06 09:30:58 $
 */
public class TableColumnPanel extends AbstractFormObjectViewPanel {
    
    public static final String NAME = "TableColumnPanel";
    
    private DisabledField colNameField;
    private DisabledField tableNameField;
    
    private JTable table;
    private ColumnMetaDataModel model;
    private HashMap cache;

    /** the browser's control object */
    private BrowserController controller;

    public TableColumnPanel(BrowserController controller) {
        super();
        this.controller = controller;
        try {
            init();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    private void init() throws Exception {
        
        model = new ColumnMetaDataModel();
        table = new DefaultTable(model);
        table.getTableHeader().setReorderingAllowed(false);
        table.setRowHeight(20);
        table.setCellSelectionEnabled(true);
        table.setColumnSelectionAllowed(false);
        table.setRowSelectionAllowed(false);

        JPanel paramPanel = new JPanel(new BorderLayout());
        paramPanel.setBorder(BorderFactory.createEmptyBorder(2,2,2,2));
        paramPanel.add(new JScrollPane(table), BorderLayout.CENTER);

        JTabbedPane tabs = new JTabbedPane(JTabbedPane.TOP);
        tabs.add("Column Meta Data", paramPanel);
        
        colNameField = new DisabledField();
        tableNameField = new DisabledField();
        
        JPanel base = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        Insets insets = new Insets(10,10,5,5);
        gbc.anchor = GridBagConstraints.NORTHEAST;
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.gridx++;
        gbc.insets = insets;
        gbc.gridy++;
        base.add(new JLabel("Column Name:"), gbc);
        gbc.gridy++;
        gbc.insets.top = 0;
        gbc.insets.right = 5;
        base.add(new JLabel("Table Name:"), gbc);
        gbc.insets.right = 10;
        gbc.gridy++;
        gbc.weightx = 1.0;
        gbc.weighty = 1.0;
        gbc.gridwidth = 2;
        gbc.insets.bottom = 10;
        gbc.fill = GridBagConstraints.BOTH;
        base.add(tabs, gbc);
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.insets.bottom = 5;
        gbc.insets.left = 5;
        gbc.insets.top = 10;
        gbc.gridwidth = 1;
        gbc.weighty = 0;
        gbc.gridy = 0;
        gbc.gridx = 1;
        base.add(colNameField, gbc);
        ++gbc.gridy;
        gbc.insets.top = 0;
        base.add(tableNameField, gbc);
        
        setContentPanel(base);        
        setHeaderText("Table Column");
        setHeaderIcon(GUIUtilities.loadIcon("TableColumn24.gif"));
        cache = new HashMap();
    }
    
    public String getLayoutName() {
        return NAME;
    }
    
    public void refresh() {
        cache.clear();
    }
    
    public void cleanup() {}
    
    public Printable getPrintable() {
        return new TablePrinter(table, "Table Column: " + colNameField.getText());
    }
    
    public boolean hasObject(Object object) {
        return cache.containsKey(object);
    }

    public void setValues(DatabaseObject metaObject, Map columnMap) {
        setValues(metaObject, columnMap);
    }

    public void setValues(DatabaseObject metaObject, Map columnMap, boolean reload) {
        if (!reload && cache.containsKey(metaObject)) {
            columnMap = (Map)cache.get(metaObject);
        } else {
            cache.put(metaObject, columnMap);
        }
        colNameField.setText(metaObject.getName());
        tableNameField.setText(metaObject.getParentName());
        model.setValues(columnMap);        
    }
    
    class ColumnMetaDataModel extends AbstractTableModel {
        
        private String[] columns = {"Property", "Value"};
        private String[] propertyNames;
        private String[] propertyValues;
        private Map columnMap;
        
        public ColumnMetaDataModel() {}
        
        public int getRowCount() {

            if (propertyNames == null)
                return 0;
            
            return propertyNames.length;
        }
        
        public int getColumnCount() {
            return columns.length;
        }

        public void setValues(Map _columnMap) {
            
            if (_columnMap == columnMap)
                return;
            
            columnMap = _columnMap;
            int size = columnMap.size();
            
            if (propertyNames == null && propertyValues == null) {
                propertyNames = new String[size];
                propertyValues = new String[size];
            }
            
            int count = 0;
            String key = null;
            Set set = columnMap.keySet();

            for (Iterator i = set.iterator(); i.hasNext();) {
                key = (String)i.next();
                propertyNames[count] = key;
                propertyValues[count] = (String)columnMap.get(key);
                count++;
            }
            
            fireTableDataChanged();            
        }
        
        public Object getValueAt(int row, int col) {
            
            switch (col) {
                
                case 0:
                    return propertyNames[row];
                    
                case 1:
                    return propertyValues[row];

                default:
                    return Constants.EMPTY;
                    
            }
            
        }
        
        public void setValueAt(Object value, int row, int col) {
            
            switch (col) {
                
                case 0:
                    propertyNames[row] = ((String)value);
                    break;
                    
                case 1:
                    propertyValues[row] = ((String)value);
                    break;                    
                    
            }
            
            fireTableCellUpdated(row, col);
            
        }
        
        public String getColumnName(int col) {
            return columns[col];
        }
        
        public boolean isCellEditable(int row, int col) {
            return false;
        }
        
    } // class ColumnMetaDataModel

}