br.com.renatoccosta.regexrenamer.view.ElementParametersTableModel.java Source code

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Here is the source code for br.com.renatoccosta.regexrenamer.view.ElementParametersTableModel.java

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/*
 *  Copyright 2011 Renato Couto da Costa.
 * 
 *  Licensed 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
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package br.com.renatoccosta.regexrenamer.view;

import br.com.renatoccosta.regexrenamer.api.element.Element;
import br.com.renatoccosta.regexrenamer.element.base.ElementFactory;
import br.com.renatoccosta.regexrenamer.api.meta.MetaElement;
import br.com.renatoccosta.regexrenamer.api.meta.MetaParameter;
import br.com.renatoccosta.regexrenamer.i18n.Messages;
import javax.swing.table.AbstractTableModel;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.lang.ClassUtils;

/**
 *
 * @author Renato Costa
 */
public class ElementParametersTableModel extends AbstractTableModel {

    private Element element;

    private MetaElement me;

    private MetaParameter[] params;

    private String[] columnNames = new String[] { Messages.getBundle().getString("parameter.name"),
            Messages.getBundle().getString("parameter.value") };

    /* ---------------------------------------------------------------------- */
    public ElementParametersTableModel(Class<Element> elementClazz) {
        this.me = MetaElement.getInstance(elementClazz);
        this.params = me.getParams();
        try {
            this.element = elementClazz.newInstance();
        } catch (Exception ex) {
            throw new IllegalArgumentException(ex);
        }
    }

    /* ---------------------------------------------------------------------- */
    public Class<?> getCellClass(int rowIndex, int columnIndex) {
        if (columnIndex == 1) {
            //column values
            return ClassUtils.primitiveToWrapper(params[rowIndex].getField().getType());
        } else {
            //column titles
            return String.class;
        }
    }

    @Override
    public Class<?> getColumnClass(int columnIndex) {
        return columnIndex == 0 ? String.class : super.getColumnClass(columnIndex);
    }

    public int getColumnCount() {
        return columnNames.length;
    }

    @Override
    public String getColumnName(int column) {
        return columnNames[column];
    }

    public Element getElement() {
        return element;
    }

    public int getRowCount() {
        return params.length;
    }

    public String getRowDescription(int rowIndex) {
        return params[rowIndex].getDescription();
    }

    public Object getValueAt(int rowIndex, int columnIndex) {
        if (columnIndex == 0) {
            //column titles
            return params[rowIndex].getCaption();
        } else {
            try {
                //column values
                return PropertyUtils.getProperty(element, params[rowIndex].getField().getName());
            } catch (Exception ex) {
                throw new IllegalArgumentException(ex);
            }
        }
    }

    @Override
    public boolean isCellEditable(int rowIndex, int columnIndex) {
        return columnIndex > 0;
    }

    @Override
    public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
        if (columnIndex == 1) {
            try {
                //column titles
                ElementFactory.setParameter(element, params[rowIndex].getField(), aValue);
            } catch (Exception ex) {
                throw new IllegalArgumentException(ex);
            }
        } else {
            super.setValueAt(aValue, rowIndex, columnIndex);
        }
    }

}