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Groovy example source code file (DefaultTableColumn.java)

This example Groovy source code file (DefaultTableColumn.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

class, defaulttablecolumn, defaulttablecolumn, jtable, nestedvaluemodel, nestedvaluemodel, object, object, string, table, tablecolumn, valuemodel, valuemodel

The Groovy DefaultTableColumn.java source code

/*
 * Copyright 2003-2008 the original author or authors.
 *
 * 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.
 */
package groovy.model;

import javax.swing.table.TableColumn;

/** 
 * Represents a column using a ValueModel to extract the value.
 *
 * @author <a href="mailto:jstrachan@apache.org">James Strachan
 * @version $Revision: 12913 $
 */
public class DefaultTableColumn extends TableColumn {

    private ValueModel valueModel;    
    
    public DefaultTableColumn(ValueModel valueModel) {
        this.valueModel = valueModel;
    }

    public DefaultTableColumn(Object header, ValueModel valueModel) {
        this(valueModel);
        setHeaderValue(header);
    }

    public DefaultTableColumn(Object headerValue, Object identifier, ValueModel columnValueModel) {
        this(headerValue, columnValueModel);
        setIdentifier(identifier);
    }

    public String toString() {
        return super.toString() + "[header:" + getHeaderValue() + " valueModel:" + valueModel + "]";
    }
    
    /**
     * Evaluates the value of a cell
     *
     * @return the value
     * @param row the row of interest
     * @param rowIndex the index of the row of interest
     * @param columnIndex the column of interest
     */    
    public Object getValue(Object row, int rowIndex, int columnIndex) {
        if (valueModel instanceof NestedValueModel) {
            NestedValueModel nestedModel = (NestedValueModel) valueModel;
            nestedModel.getSourceModel().setValue(row);
        }
        return valueModel.getValue();
    }

    public void setValue(Object row, Object value, int rowIndex, int columnIndex) {
        if (valueModel instanceof NestedValueModel) {
            NestedValueModel nestedModel = (NestedValueModel) valueModel;
            nestedModel.getSourceModel().setValue(row);
        }
        valueModel.setValue(value);
    }

    /**
     * @return the column type
     */
    public Class getType() {
        return valueModel.getType();
    }

    public ValueModel getValueModel() {
        return valueModel;
    }

}

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