Quelle TableMap.java Sprache: JAVA

/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
*
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* modification, are permitted provided that the following conditions
* are met:
*
*   - Redistributions of source code must retain the above copyright
*     notice, this list of conditions and the following disclaimer.
*
*   - Redistributions in binary form must reproduce the above copyright
*     notice, this list of conditions and the following disclaimer in the
*     documentation and/or other materials provided with the distribution.
*
*   - Neither the name of Oracle nor the names of its
*     contributors may be used to endorse or promote products derived
*     from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/

/**
* In a chain of data manipulators some behaviour is common. TableMap
* provides most of this behavour and can be subclassed by filters
* that only need to override a handful of specific methods. TableMap
* implements TableModel by routing all requests to its model, and
* TableModelListener by routing all events to its listeners. Inserting
* a TableMap which has not been subclassed into a chain of table filters
* should have no effect.
*
* @author Philip Milne
*/
import javax.swing.table.*;
import javax.swing.event.TableModelListener;
import javax.swing.event.TableModelEvent;

@SuppressWarnings("serial")
public class TableMap extends AbstractTableModel implements TableModelListener {

    protected TableModel model;

    public TableModel getModel() {
        return model;
    }

    public void setModel(TableModel model) {
        this.model = model;
        model.addTableModelListener(this);
    }

    // By default, Implement TableModel by forwarding all messages
    // to the model.
    public Object getValueAt(int aRow, int aColumn) {
        return model.getValueAt(aRow, aColumn);
    }

    @Override
    public void setValueAt(Object aValue, int aRow, int aColumn) {
        model.setValueAt(aValue, aRow, aColumn);
    }

    public int getRowCount() {
        return (model == null) ? 0 : model.getRowCount();
    }

    public int getColumnCount() {
        return (model == null) ? 0 : model.getColumnCount();
    }

    @Override
    public String getColumnName(int aColumn) {
        return model.getColumnName(aColumn);
    }

    @Override
    public Class<?> getColumnClass(int aColumn) {
        return model.getColumnClass(aColumn);
    }

    @Override
    public boolean isCellEditable(int row, int column) {
        return model.isCellEditable(row, column);
    }
//
// Implementation of the TableModelListener interface,
//

    // By default forward all events to all the listeners.
    public void tableChanged(TableModelEvent e) {
        fireTableChanged(e);
    }
}

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