/*
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.Arrays;
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.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.GraphController;
import org.gephi.graph.api.GraphModel;
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.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 PartitionBuilder implements CategoryBuilder {
private final static Category PARTITION = new Category(
NbBundle.getMessage(PartitionBuilder.class, "PartitionBuilder.name"),
null,
FilterLibrary.ATTRIBUTES);
public Category getCategory() {
return PARTITION;
}
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) {
PartitionFilterBuilder builder = new PartitionFilterBuilder(np.getColumn(), np);
builders.add(builder);
}
for (EdgePartition ep : edgePartitions) {
PartitionFilterBuilder builder = new PartitionFilterBuilder(ep.getColumn(), ep);
builders.add(builder);
}
}
return builders.toArray(new FilterBuilder[0]);
}
private static class PartitionFilterBuilder implements FilterBuilder {
private final AttributeColumn column;
private Partition partition;
public PartitionFilterBuilder(AttributeColumn column, NodePartition partition) {
this.column = column;
this.partition = partition;
}
public PartitionFilterBuilder(AttributeColumn column, EdgePartition partition) {
this.column = column;
this.partition = partition;
}
public Category getCategory() {
return PARTITION;
}
public String getName() {
return column.getTitle() + " (" + (partition instanceof NodePartition ? "Node" : "Edge") + ")";
}
public Icon getIcon() {
return null;
}
public String getDescription() {
return NbBundle.getMessage(PartitionBuilder.class, "PartitionBuilder.description");
}
public PartitionFilter getFilter() {
if (AttributeUtils.getDefault().isNodeColumn(column)) {
return new NodePartitionFilter(partition);
} else {
return new EdgePartitionFilter(partition);
}
}
public JPanel getPanel(Filter filter) {
PartitionUI ui = Lookup.getDefault().lookup(PartitionUI.class);
if (ui != null) {
return ui.getPanel((PartitionFilter) filter);
}
return null;
}
public void destroy(Filter filter) {
}
}
public static class NodePartitionFilter extends PartitionFilter implements NodeFilter {
public NodePartitionFilter(Partition partition) {
super(partition);
}
}
public static class EdgePartitionFilter extends PartitionFilter implements EdgeFilter {
public EdgePartitionFilter(Partition partition) {
super(partition);
}
}
public static abstract class PartitionFilter implements Filter {
private Partition partition;
private FilterProperty[] filterProperties;
private List<Part> parts;
public PartitionFilter(Partition partition) {
this.partition = partition;
parts = new ArrayList<Part>();
}
public String getName() {
return NbBundle.getMessage(PartitionBuilder.class, "PartitionBuilder.name");
}
public boolean init(Graph graph) {
HierarchicalGraph hg = (HierarchicalGraph)graph;
this.partition = Lookup.getDefault().lookup(PartitionController.class).buildPartition(partition.getColumn(), hg);
return true;
}
public boolean evaluate(Graph graph, Node node) {
Object value = node.getNodeData().getAttributes().getValue(partition.getColumn().getIndex());
int size = parts.size();
for (int i = 0; i < size; i++) {
Object obj = parts.get(i).getValue();
if (obj == null && value == null) {
return true;
} else if (obj != null && value != null && obj.equals(value)) {
return true;
}
}
return false;
}
public boolean evaluate(Graph graph, Edge edge) {
Object value = edge.getEdgeData().getAttributes().getValue(partition.getColumn().getIndex());
int size = parts.size();
for (int i = 0; i < size; i++) {
Object obj = parts.get(i).getValue();
if (obj == null && value == null) {
return true;
} else if (obj != null && value != null && obj.equals(value)) {
return true;
}
}
return false;
}
public void finish() {
}
public void addPart(Part part) {
if (!parts.contains(part)) {
List<Part> newParts = new ArrayList<Part>(parts.size() + 1);
newParts.addAll(parts);
newParts.add(part);
getProperties()[1].setValue(newParts);
}
}
public void removePart(Part part) {
List<Part> newParts = new ArrayList<Part>(parts);
if (newParts.remove(part)) {
getProperties()[1].setValue(newParts);
}
}
public void unselectAll() {
getProperties()[1].setValue(new ArrayList<Part>());
}
public void selectAll() {
getProperties()[1].setValue(Arrays.asList(partition.getParts()));
}
public FilterProperty[] getProperties() {
if (filterProperties == null) {
filterProperties = new FilterProperty[0];
try {
filterProperties = new FilterProperty[]{
FilterProperty.createProperty(this, AttributeColumn.class, "column"),
FilterProperty.createProperty(this, List.class, "parts")};
} catch (Exception ex) {
Exceptions.printStackTrace(ex);
}
}
return filterProperties;
}
public Partition getCurrentPartition() {
if (partition.getPartsCount() == 0) {
//build partition
GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getModel();
this.partition = Lookup.getDefault().lookup(PartitionController.class).buildPartition(partition.getColumn(), graphModel.getHierarchicalGraphVisible());
}
return partition;
}
public Partition getPartition() {
return partition;
}
public List<Part> getParts() {
return parts;
}
public AttributeColumn getColumn() {
return partition.getColumn();
}
public void setColumn(AttributeColumn column) {
}
public void setParts(List<Part> parts) {
this.parts = parts;
}
public void setPartition(Partition partition) {
this.partition = partition;
}
}
}