/*
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.partition;
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.AttributeUtils;
import org.gephi.filters.api.FilterLibrary;
import org.gephi.filters.api.Range;
import org.gephi.filters.plugin.RangeFilter;
import org.gephi.filters.plugin.graph.RangeUI;
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.gephi.partition.api.EdgePartition;
import org.gephi.partition.api.NodePartition;
import org.gephi.partition.api.Part;
import org.gephi.partition.api.Partition;
import org.gephi.partition.api.PartitionController;
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 PartitionCountBuilder implements CategoryBuilder {
private final static Category PARTITION_COUNT = new Category(
NbBundle.getMessage(PartitionCountBuilder.class, "PartitionCountBuilder.name"),
null,
FilterLibrary.ATTRIBUTES);
public Category getCategory() {
return PARTITION_COUNT;
}
public FilterBuilder[] getBuilders() {
List<FilterBuilder> builders = new ArrayList<FilterBuilder>();
PartitionController pc = Lookup.getDefault().lookup(PartitionController.class);
if (pc.getModel() != null) {
pc.refreshPartitions();
NodePartition[] nodePartitions = pc.getModel().getNodePartitions();
EdgePartition[] edgePartitions = pc.getModel().getEdgePartitions();
for (NodePartition np : nodePartitions) {
PartitionCountFilterBuilder builder = new PartitionCountFilterBuilder(np.getColumn(), np);
builders.add(builder);
}
for (EdgePartition ep : edgePartitions) {
PartitionCountFilterBuilder builder = new PartitionCountFilterBuilder(ep.getColumn(), ep);
builders.add(builder);
}
}
return builders.toArray(new FilterBuilder[0]);
}
private static class PartitionCountFilterBuilder implements FilterBuilder {
private final AttributeColumn column;
private Partition partition;
public PartitionCountFilterBuilder(AttributeColumn column, NodePartition partition) {
this.column = column;
this.partition = partition;
}
public PartitionCountFilterBuilder(AttributeColumn column, EdgePartition partition) {
this.column = column;
this.partition = partition;
}
public Category getCategory() {
return PARTITION_COUNT;
}
public String getName() {
return column.getTitle() + " (" + (partition instanceof NodePartition ? "Node" : "Edge") + ")";
}
public Icon getIcon() {
return null;
}
public String getDescription() {
return NbBundle.getMessage(PartitionCountBuilder.class, "PartitionCountBuilder.description");
}
public PartitionCountFilter getFilter() {
if (AttributeUtils.getDefault().isNodeColumn(column)) {
return new NodePartitionCountFilter(partition);
} else {
return new EdgePartitionCountFilter(partition);
}
}
public JPanel getPanel(Filter filter) {
RangeUI ui = Lookup.getDefault().lookup(RangeUI.class);
if (ui != null) {
return ui.getPanel((PartitionCountFilter) filter);
}
return null;
}
public void destroy(Filter filter) {
}
}
public static class NodePartitionCountFilter extends PartitionCountFilter implements NodeFilter {
public NodePartitionCountFilter(Partition partition) {
super(partition);
}
}
public static class EdgePartitionCountFilter extends PartitionCountFilter implements EdgeFilter {
public EdgePartitionCountFilter(Partition partition) {
super(partition);
}
}
public static class PartitionCountFilter implements Filter, RangeFilter {
private Partition partition;
private FilterProperty[] filterProperties;
private Range range = new Range(0, 0);
//States
private Integer[] values;
public PartitionCountFilter(Partition partition) {
this.partition = partition;
}
public boolean init(Graph graph) {
HierarchicalGraph hg = (HierarchicalGraph) graph;
this.partition = Lookup.getDefault().lookup(PartitionController.class).buildPartition(partition.getColumn(), hg);
if (partition.getParts().length > 0) {
refreshValues(graph);
return true;
}
return false;
}
public boolean evaluate(Graph graph, Node node) {
Part p = partition.getPart(node);
if (p != null) {
int partCount = p.getObjects().length;
return range.isInRange(partCount);
}
return false;
}
public boolean evaluate(Graph graph, Edge edge) {
Part p = partition.getPart(edge);
if (p != null) {
int partCount = p.getObjects().length;
return range.isInRange(partCount);
}
return false;
}
public void finish() {
}
private void refreshValues(Graph graph) {
Integer min = Integer.MAX_VALUE;
Integer max = Integer.MIN_VALUE;
if (partition.getPartsCount() == 0) {
//build partition
this.partition = Lookup.getDefault().lookup(PartitionController.class).buildPartition(partition.getColumn(), graph);
}
values = new Integer[partition.getPartsCount()];
Part[] parts = partition.getParts();
for (int i = 0; i < parts.length; i++) {
int partCount = parts[i].getObjects().length;
min = Math.min(min, partCount);
max = Math.max(max, partCount);
values[i] = partCount;
}
if (range == null) {
range = new Range(min, max, min, max);
} else {
range.setMinMax(min, max);
}
}
public String getName() {
return NbBundle.getMessage(PartitionCountBuilder.class, "PartitionCountBuilder.name");
}
public FilterProperty[] getProperties() {
if (filterProperties == null) {
filterProperties = new FilterProperty[0];
try {
filterProperties = new FilterProperty[]{
FilterProperty.createProperty(this, AttributeColumn.class, "column"),
FilterProperty.createProperty(this, Range.class, "range")};
} catch (Exception ex) {
ex.printStackTrace();
}
}
return filterProperties;
}
public FilterProperty getRangeProperty() {
return filterProperties[1];
}
public Object[] getValues() {
return values;
}
public Range getRange() {
return range;
}
public void setRange(Range range) {
this.range = range;
}
public AttributeColumn getColumn() {
return partition.getColumn();
}
public void setColumn(AttributeColumn column) {
}
}
}