/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
Copyright 2011 Gephi Consortium. All rights reserved.
The contents of this file are subject to the terms of either the GNU
General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License. When distributing the software, include this License Header
Notice in each file and include the License files at
/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
your own identifying information:
"Portions Copyrighted [year] [name of copyright owner]"
If you wish your version of this file to be governed by only the CDDL
or only the GPL Version 3, indicate your decision by adding
"[Contributor] elects to include this software in this distribution
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your version of this file under either the CDDL, the GPL Version 3 or
to extend the choice of license to its licensees as provided above.
However, if you add GPL Version 3 code and therefore, elected the GPL
Version 3 license, then the option applies only if the new code is
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Contributor(s):
Portions Copyrighted 2011 Gephi Consortium.
*/
package org.gephi.visualization.api.selection;
import java.util.ArrayList;
import java.util.List;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.gephi.graph.api.Edge;
import org.gephi.graph.api.Model;
import org.gephi.graph.api.Node;
import org.gephi.visualization.VizArchitecture;
import org.gephi.visualization.VizController;
import org.gephi.visualization.apiimpl.VizConfig;
import org.gephi.visualization.opengl.AbstractEngine;
/**
*
* @author Mathieu Bastian
*/
public class SelectionManager implements VizArchitecture {
private VizConfig vizConfig;
private AbstractEngine engine;
private List<ChangeListener> listeners;
//Settings
private int mouseSelectionDiameter;
private boolean mouseSelectionZoomProportionnal;
private boolean selectionUpdateWhileDragging;
//States
private boolean blocked = false;
public SelectionManager() {
listeners = new ArrayList<ChangeListener>();
}
public void initArchitecture() {
this.vizConfig = VizController.getInstance().getVizConfig();
this.engine = VizController.getInstance().getEngine();
mouseSelectionDiameter = vizConfig.getMouseSelectionDiameter();
selectionUpdateWhileDragging = vizConfig.isMouseSelectionUpdateWhileDragging();
}
public void blockSelection(boolean block) {
if (vizConfig.isRectangleSelection()) {
this.blocked = block;
vizConfig.setSelectionEnable(!block);
fireChangeEvent();
} else {
setDirectMouseSelection();
}
}
public void disableSelection() {
vizConfig.setSelectionEnable(false);
this.blocked = false;
fireChangeEvent();
}
public void setDraggingEnable(boolean dragging) {
vizConfig.setMouseSelectionUpdateWhileDragging(!dragging);
fireChangeEvent();
}
public void setRectangleSelection() {
engine.setRectangleSelection(true);
vizConfig.setDraggingEnable(false);
vizConfig.setCustomSelection(false);
vizConfig.setSelectionEnable(true);
this.blocked = false;
fireChangeEvent();
}
public void setDirectMouseSelection() {
engine.setRectangleSelection(false);
vizConfig.setSelectionEnable(true);
vizConfig.setDraggingEnable(false);
vizConfig.setCustomSelection(false);
this.blocked = false;
fireChangeEvent();
}
public void setDraggingMouseSelection() {
engine.setRectangleSelection(false);
vizConfig.setDraggingEnable(true);
vizConfig.setMouseSelectionUpdateWhileDragging(false);
vizConfig.setSelectionEnable(true);
vizConfig.setCustomSelection(false);
this.blocked = false;
fireChangeEvent();
}
public void setCustomSelection() {
vizConfig.setSelectionEnable(false);
vizConfig.setDraggingEnable(false);
vizConfig.setCustomSelection(true);
//this.blocked = true;
fireChangeEvent();
}
public void resetSelection() {
if (isCustomSelection()) {
vizConfig.setCustomSelection(false);
setDirectMouseSelection();
}
engine.resetSelection();
}
public void selectNode(Node node) {
if (!isCustomSelection()) {
setCustomSelection();
}
if (node.getNodeData().getModel() != null) {
engine.selectObject(node.getNodeData().getModel());
}
}
public void selectEdge(Edge edge) {
if (!isCustomSelection()) {
setCustomSelection();
}
if (edge.getEdgeData().getModel() != null) {
engine.selectObject(edge.getEdgeData().getModel());
}
}
public void selectNodes(Node[] nodes) {
if (nodes == null) {
resetSelection();
return;
}
if (!isCustomSelection()) {
setCustomSelection();
}
Model[] models = new Model[nodes.length];
for (int i = 0; i < nodes.length; i++) {
models[i] = nodes[i].getNodeData().getModel();
}
engine.selectObject(models);
}
public void selectEdges(Edge[] edges) {
if (!isCustomSelection()) {
setCustomSelection();
}
for (Edge e : edges) {
if (e.getEdgeData().getModel() != null) {
engine.selectObject(e.getEdgeData().getModel());
}
}
}
public void centerOnNode(Node node) {
Model model = node.getNodeData().getModel();
if (model != null) {
VizController.getInstance().getGraphIO().centerOnCoordinate(model.getObj().x(), model.getObj().y(), model.getObj().z() + model.getObj().getSize() * 8);
engine.getScheduler().requireUpdateVisible();
}
}
public void setMouseSelectionDiameter(int mouseSelectionDiameter) {
this.mouseSelectionDiameter = mouseSelectionDiameter;
}
public int getMouseSelectionDiameter() {
return mouseSelectionDiameter;
}
public void setMouseSelectionZoomProportionnal(boolean mouseSelectionZoomProportionnal) {
this.mouseSelectionZoomProportionnal = mouseSelectionZoomProportionnal;
}
public boolean isMouseSelectionZoomProportionnal() {
return mouseSelectionZoomProportionnal;
}
public boolean isSelectionUpdateWhileDragging() {
return selectionUpdateWhileDragging;
}
public void setSelectionUpdateWhileDragging(boolean selectionUpdateWhileDragging) {
this.selectionUpdateWhileDragging = selectionUpdateWhileDragging;
}
public boolean isBlocked() {
return blocked;
}
public boolean isRectangleSelection() {
return vizConfig.isSelectionEnable() && vizConfig.isRectangleSelection();
}
public boolean isDirectMouseSelection() {
return vizConfig.isSelectionEnable() && !vizConfig.isRectangleSelection() && !vizConfig.isDraggingEnable();
}
public boolean isCustomSelection() {
return vizConfig.isCustomSelection();
}
public boolean isSelectionEnabled() {
return vizConfig.isSelectionEnable();
}
public boolean isDraggingEnabled() {
return vizConfig.isDraggingEnable();
}
//Event
public void addChangeListener(ChangeListener changeListener) {
listeners.add(changeListener);
}
public void removeChangeListener(ChangeListener changeListener) {
listeners.remove(changeListener);
}
private void fireChangeEvent() {
ChangeEvent evt = new ChangeEvent(this);
for (ChangeListener l : listeners) {
l.stateChanged(evt);
}
}
}