/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
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.filters.plugin.attribute;
import java.util.ArrayList;
import java.util.List;
import javax.swing.Icon;
import javax.swing.JPanel;
import org.gephi.data.attributes.api.AttributeColumn;
import org.gephi.data.attributes.api.AttributeController;
import org.gephi.data.attributes.api.AttributeModel;
import org.gephi.data.attributes.api.AttributeUtils;
import org.gephi.filters.api.FilterLibrary;
import org.gephi.filters.spi.Category;
import org.gephi.filters.spi.CategoryBuilder;
import org.gephi.filters.spi.EdgeFilter;
import org.gephi.filters.spi.Filter;
import org.gephi.filters.spi.FilterBuilder;
import org.gephi.filters.spi.FilterProperty;
import org.gephi.filters.spi.NodeFilter;
import org.gephi.graph.api.Edge;
import org.gephi.graph.api.Graph;
import org.gephi.graph.api.HierarchicalGraph;
import org.gephi.graph.api.Node;
import org.openide.util.Exceptions;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.lookup.ServiceProvider;
/**
*
* @author Mathieu Bastian
*/
@ServiceProvider(service = CategoryBuilder.class)
public class AttributeNonNullBuilder implements CategoryBuilder {
private final static Category NONNULL = new Category(
NbBundle.getMessage(AttributeEqualBuilder.class, "AttributeNonNullBuilder.name"),
null,
FilterLibrary.ATTRIBUTES);
public Category getCategory() {
return NONNULL;
}
public FilterBuilder[] getBuilders() {
List<FilterBuilder> builders = new ArrayList<FilterBuilder>();
AttributeModel am = Lookup.getDefault().lookup(AttributeController.class).getModel();
for (AttributeColumn c : am.getNodeTable().getColumns()) {
AttributeNonNullFilterBuilder b = new AttributeNonNullFilterBuilder(c);
builders.add(b);
}
for (AttributeColumn c : am.getEdgeTable().getColumns()) {
AttributeNonNullFilterBuilder b = new AttributeNonNullFilterBuilder(c);
builders.add(b);
}
return builders.toArray(new FilterBuilder[0]);
}
private static class AttributeNonNullFilterBuilder implements FilterBuilder {
private final AttributeColumn column;
public AttributeNonNullFilterBuilder(AttributeColumn column) {
this.column = column;
}
public Category getCategory() {
return NONNULL;
}
public String getName() {
return "<font color='#000000'>" + column.getTitle() + "</font> "
+ "<font color='#999999'><i>" + column.getType().toString() + " "
+ (AttributeUtils.getDefault().isNodeColumn(column) ? "(Node)" : "(Edge)") + "</i></font>";
}
public Icon getIcon() {
return null;
}
public String getDescription() {
return NbBundle.getMessage(AttributeEqualBuilder.class, "AttributeNonNullBuilder.description");
}
public AttributeNonNullFilter getFilter() {
if (AttributeUtils.getDefault().isNodeColumn(column)) {
NodeAttributeNonNullFilter f = new NodeAttributeNonNullFilter();
f.setColumn(column);
return f;
} else {
EdgeAttributeNonNullFilter f = new EdgeAttributeNonNullFilter();
f.setColumn(column);
return f;
}
}
public JPanel getPanel(Filter filter) {
return null;
}
public void destroy(Filter filter) {
}
}
public static class NodeAttributeNonNullFilter extends AttributeNonNullFilter implements NodeFilter {
}
public static class EdgeAttributeNonNullFilter extends AttributeNonNullFilter implements EdgeFilter {
}
public static class AttributeNonNullFilter implements Filter {
private FilterProperty[] filterProperties;
private AttributeColumn column;
public String getName() {
return NbBundle.getMessage(AttributeEqualBuilder.class, "AttributeNonNullBuilder.name");
}
public boolean init(Graph graph) {
HierarchicalGraph hg = (HierarchicalGraph)graph;
if (AttributeUtils.getDefault().isNodeColumn(column)) {
if (graph.getNodeCount() == 0) {
return false;
}
} else if (AttributeUtils.getDefault().isEdgeColumn(column)) {
if (hg.getTotalEdgeCount() == 0) {
return false;
}
}
return true;
}
public boolean evaluate(Graph graph, Edge edge) {
return edge.getEdgeData().getAttributes().getValue(column.getIndex()) != null;
}
public boolean evaluate(Graph graph, Node node) {
return node.getNodeData().getAttributes().getValue(column.getIndex()) != null;
}
public void finish() {
}
public FilterProperty[] getProperties() {
if (filterProperties == null) {
filterProperties = new FilterProperty[0];
try {
filterProperties = new FilterProperty[]{
FilterProperty.createProperty(this, AttributeColumn.class, "column"),};
} catch (Exception ex) {
Exceptions.printStackTrace(ex);
}
}
return filterProperties;
}
public AttributeColumn getColumn() {
return column;
}
public void setColumn(AttributeColumn column) {
this.column = column;
}
}
}