tableconstraintspanel.java

eq跨平台查询工具源码 eq跨平台查询工具源码

/*
 * TableConstraintsPanel.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.table;

import java.awt.BorderLayout;
import java.awt.event.FocusListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import java.util.Vector;

import javax.swing.DefaultCellEditor;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
import org.executequery.gui.DefaultTable;

import org.executequery.gui.browser.ColumnConstraint;
import org.underworldlabs.swing.table.ComboBoxCellEditor;
import org.underworldlabs.swing.table.StringCellEditor;

import org.executequery.gui.browser.ColumnData;

/* ----------------------------------------------------------
 * 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: 1.5 $
 * @date     $Date: 2006/07/15 13:14:12 $
 */
public abstract class TableConstraintsPanel extends JPanel
                                            implements CreateTableSQLSyntax {
    
    /** The table containing the constraint data */
    protected JTable table;
    
    /** The table's model */
    protected ColumnConstraintModel model;
    
    /** The constraint name cell editor */
    protected StringCellEditor conNameEditor;
    
    /** The string cell editor */
    protected DefaultCellEditor strEditor;
    
    /** The keys combo box cell editor */
    protected ComboBoxCellEditor keysCombo;
    
    public TableConstraintsPanel() {
        super(new BorderLayout());
        
        try {
            jbInit();
        } catch (Exception e) {
            e.printStackTrace();
        }
        
    }
    
    private void jbInit() throws Exception {
        table = new DefaultTable();
        
        conNameEditor = new StringCellEditor();
        
        // create the key listener to notify changes
        KeyAdapter colKeyListener = new KeyAdapter() {
            public void keyReleased(KeyEvent e) {
                columnValuesChanged(table.getEditingColumn(),
                                    table.getEditingRow(),
                                    conNameEditor.getValue()); 
            }
        };
        
        conNameEditor.addKeyListener(colKeyListener);
        
        add(new JScrollPane(table), BorderLayout.CENTER);
        
        if (getMode() == CREATE_TABLE_MODE) {
            table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        }

        table.setColumnSelectionAllowed(false);
        table.setRowSelectionAllowed(false);
        table.getTableHeader().setReorderingAllowed(false);
        table.setRowHeight(20);
        
        keysCombo = new ComboBoxCellEditor(CreateTableSQLSyntax.KEY_NAMES);
        
        strEditor = new DefaultCellEditor(conNameEditor) {
            public Object getCellEditorValue() {
                return conNameEditor.getValue(); 
            }
        };
    }
    
    public abstract ColumnData[] getTableColumnData();
    
    public abstract void updateCellEditor(int col, int row, String value);
    
    public abstract void columnValuesChanged();
    
    public abstract void columnValuesChanged(int col, int row, String value);
    
    public abstract int getMode();
    
    public Vector getKeys() {
        return model.getKeys();
    }
    
    public ColumnConstraint[] getColumnConstraintArray() {
        Vector keys = model.getKeys();
        int v_size = keys.size();
        
        ColumnConstraint[] cca = new ColumnConstraint[v_size];        
        for (int i = 0; i < v_size; i++) {
            cca[i] = new ColumnConstraint();
            cca[i].setValues((ColumnConstraint)keys.elementAt(i));
        }
        
        return cca;
    }
    
    public void fireEditingStopped() {
        table.editingStopped(null);
        if (table.isEditing()) {
            table.removeEditor();
        }
    }
    
    public void setData(Vector keys, boolean fillCombos) {
        
        boolean keysEmpty = keys.isEmpty();

        if (table.isEditing()) {
            table.removeEditor();
        }

        // add an empty constraint for input if vector empty
        if (keysEmpty) {
            keys.add(new ColumnConstraint(getMode() == EDIT_TABLE_MODE));
        }

        if (model == null) {
            model = new ColumnConstraintModel(keys);
            setModel(model);
            setColumnProperties();
        }
        else {
            model.setNewData(keys);
            setModel(model);
        }
        
        if (keysEmpty || fillCombos) {
            try {
                table.getColumnModel().getColumn(2).setCellEditor(keysCombo);
                table.getColumnModel().getColumn(3).setCellEditor(
                            new ComboBoxCellEditor(getTableColumnData()));
            } catch (ArrayIndexOutOfBoundsException e) { // TODO: what is this - test
                e.printStackTrace();
            }
        }
        
        model.fireTableDataChanged();
    }
    
    public int getSelectedRow() {
        return table.getSelectedRow();
    }
    
    public void insertRowAfter() {
        model.insertRowAfter(getMode() == EDIT_TABLE_MODE);
    }
    
    public void deleteSelectedRow() {
        int row = table.getSelectedRow();
        if (row == -1) {
            return;
        }
        
        table.editingStopped(null);
        if (table.isEditing()) {
            table.removeEditor();
        }
        
        model.deleteRow(row);
        model.fireTableRowsDeleted(row, row);
        
        if (model.getKeys().size() == 0) {
            model.insertRowAfter(getMode() == EDIT_TABLE_MODE);
            table.setEditingRow(0);
        }
        else {
            table.setEditingRow(row);
        }
        
        table.setEditingColumn(1);
        columnValuesChanged();
    }
    
    public void setCellEditor(int col, TableCellEditor editor) {
        table.getColumnModel().getColumn(col).setCellEditor(editor);
    }
    
    /**
     * Sets some default column property values on the table
     * display such as renderers, editors and column widths.
     */
    protected void setColumnProperties() {
        TableColumnModel tcm = table.getColumnModel();
        tcm.getColumn(0).setPreferredWidth(25);
        //tcm.getColumn(0).setMinWidth(25);
        tcm.getColumn(0).setMaxWidth(25);
        tcm.getColumn(1).setPreferredWidth(125);
        tcm.getColumn(2).setPreferredWidth(75);
        tcm.getColumn(3).setPreferredWidth(110);
        tcm.getColumn(4).setPreferredWidth(120);
        tcm.getColumn(5).setPreferredWidth(120);
        tcm.getColumn(6).setPreferredWidth(120);
        
        tcm.getColumn(0).setCellRenderer(new ConstraintCellRenderer());
        tcm.getColumn(1).setCellEditor(strEditor);
        tcm.getColumn(2).setCellEditor(keysCombo);
    }
    
    public boolean tableHasFocus(JTable _table) {
        return table == _table;
    }
    
    private void setTableProperty(int col, int width,
                                  DefaultCellEditor editor) {
        
        TableColumn column = table.getColumnModel().getColumn(col);
        if (editor != null) {
            column.setCellEditor(editor);
        }
    }
    
    /** <p>Adds the specified focus listener to the table.
     *
     *  @param the listener to add to the table
     */