ClearAttributeValue.java

/*
Copyright 2008-2010 Gephi
Authors : Eduardo Ramos <eduramiba@gmail.com>
Website : http://www.gephi.org

This file is part of Gephi.

Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

Gephi 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 Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with Gephi.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.gephi.datalab.plugin.manipulators.values;

import javax.swing.Icon;
import org.gephi.data.attributes.api.AttributeColumn;
import org.gephi.data.attributes.api.AttributeRow;
import org.gephi.datalab.api.AttributeColumnsController;
import org.gephi.datalab.spi.ManipulatorUI;
import org.gephi.datalab.spi.values.AttributeValueManipulator;
import org.openide.util.ImageUtilities;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;

/**
 * AttributeValueManipulator that sets a value to null when the column can have null values.
 * @author Eduardo Ramos <eduramiba@gmail.com>
 */
public class ClearAttributeValue implements AttributeValueManipulator{
    private AttributeRow row;
    private AttributeColumn column;

    public void setup(AttributeRow row, AttributeColumn column) {
        this.row=row;
        this.column=column;
    }

    public void execute() {
        row.setValue(column.getIndex(), null);
    }

    public String getName() {
        return NbBundle.getMessage(ClearAttributeValue.class, "ClearAttributeValue.name");
    }

    public String getDescription() {
        return "";
    }

    public boolean canExecute() {
        return Lookup.getDefault().lookup(AttributeColumnsController.class).canClearColumnData(column);
    }

    public ManipulatorUI getUI() {
        return null;
    }

    public int getType() {
        return 0;
    }

    public int getPosition() {
        return 0;
    }

    public Icon getIcon() {
        return ImageUtilities.loadImageIcon("org/gephi/datalab/plugin/manipulators/resources/clear-data.png", true);
    }

}