/*
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
under the [CDDL or GPL Version 3] license." If you do not indicate a
single choice of license, a recipient has the option to distribute
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
made subject to such option by the copyright holder.
Contributor(s):
Portions Copyrighted 2011 Gephi Consortium.
*/
package org.gephi.visualization.opengl;
import com.jogamp.opengl.GL2;
import com.jogamp.opengl.glu.GLU;
import com.jogamp.opengl.glu.GLUquadric;
import java.awt.Color;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.gephi.graph.api.Edge;
import org.gephi.graph.api.Node;
import org.gephi.visualization.VizController;
import org.gephi.visualization.VizModel;
import org.gephi.visualization.apiimpl.Scheduler;
import org.gephi.visualization.model.Model;
import org.gephi.visualization.model.edge.EdgeModel;
import org.gephi.visualization.model.edge.EdgeModeler;
import org.gephi.visualization.model.node.NodeModel;
import org.gephi.visualization.model.node.NodeModeler;
import org.gephi.visualization.octree.Octree;
import org.gephi.visualization.scheduler.CompatibilityScheduler;
import org.gephi.visualization.selection.Cylinder;
import org.gephi.visualization.selection.Rectangle;
/**
*
* @author Mathieu Bastian
*/
public class CompatibilityEngine extends AbstractEngine {
private CompatibilityScheduler scheduler;
private int markTime = 0;
private boolean anySelected = false;
private List<NodeModel> dragSelected;
public CompatibilityEngine() {
super();
}
@Override
public void initArchitecture() {
super.initArchitecture();
scheduler = (CompatibilityScheduler) VizController.getInstance().getScheduler();
vizEventManager = VizController.getInstance().getVizEventManager();
//Init
octree = new Octree(vizConfig.getOctreeDepth(), vizConfig.getOctreeWidth());
octree.initArchitecture();
}
public void updateSelection(GL2 gl, GLU glu) {
if (vizConfig.isSelectionEnable() && currentSelectionArea != null && currentSelectionArea.isEnabled()) {
float[] mp = Arrays.copyOf(graphIO.getMousePosition(), 2);
float[] cent = currentSelectionArea.getSelectionAreaCenter();
if (cent != null) {
mp[0] += cent[0];
mp[1] += cent[1];
}
octree.updateSelectedOctant(gl, glu, mp, currentSelectionArea.getSelectionAreaRectancle());
}
}
@Override
public boolean updateWorld() {
boolean repositioned = octree.repositionNodes();
boolean updated = dataBridge.updateWorld();
return repositioned || updated;
}
@Override
public void beforeDisplay(GL2 gl, GLU glu) {
//Lighten delta
if (lightenAnimationDelta != 0) {
float factor = vizConfig.getLightenNonSelectedFactor();
factor += lightenAnimationDelta;
if (factor >= 0.5f && factor <= 0.98f) {
vizConfig.setLightenNonSelectedFactor(factor);
} else {
lightenAnimationDelta = 0;
vizConfig.setLightenNonSelected(anySelected);
}
}
if (backgroundChanged) {
Color backgroundColor = vizController.getVizModel().getBackgroundColor();
gl.glClearColor(backgroundColor.getRed() / 255f, backgroundColor.getGreen() / 255f, backgroundColor.getBlue() / 255f, 1f);
gl.glClear(GL2.GL_COLOR_BUFFER_BIT);
backgroundChanged = false;
}
if (reinit) {
VizController.getInstance().refreshWorkspace();
dataBridge.reset();
graphDrawable.initConfig(gl);
graphDrawable.setCameraLocation(vizController.getVizModel().getCameraPosition());
graphDrawable.setCameraTarget(vizController.getVizModel().getCameraTarget());
vizConfig.setCustomSelection(false);
reinit = false;
}
}
@Override
public void display(GL2 gl, GLU glu) {
markTime++;
VizModel vizModel = VizController.getInstance().getVizModel();
//Edges
if (edgeModeler.isEnabled()) {
edgeModeler.beforeDisplay(gl, glu);
for (Iterator<EdgeModel> itr = octree.getEdgeIterator(); itr.hasNext();) {
EdgeModel obj = itr.next();
if (obj.markTime != markTime) {
obj.display(gl, glu, vizModel);
obj.markTime = markTime;
}
}
edgeModeler.afterDisplay(gl, glu);
}
markTime++;
//Arrows
if (edgeModeler.isEnabled() && vizConfig.isShowArrows() && dataBridge.isDirected()) {
gl.glBegin(GL2.GL_TRIANGLES);
for (Iterator<EdgeModel> itr = octree.getEdgeIterator(); itr.hasNext();) {
EdgeModel obj = itr.next();
if (obj.getEdge().isDirected() && obj.markTime != markTime) {
obj.displayArrow(gl, glu, vizModel);
obj.markTime = markTime;
}
}
gl.glEnd();
}
//Nodes
if (nodeModeler.isEnabled()) {
nodeModeler.beforeDisplay(gl, glu);
for (Iterator<NodeModel> itr = octree.getNodeIterator(); itr.hasNext();) {
NodeModel obj = itr.next();
if (obj.markTime != markTime) {
obj.display(gl, glu, vizModel);
obj.markTime = markTime;
}
}
nodeModeler.afterDisplay(gl, glu);
}
//Labels
if (vizModel.getTextModel().isShowNodeLabels() || vizModel.getTextModel().isShowEdgeLabels()) {
markTime++;
if (nodeModeler.isEnabled() && vizModel.getTextModel().isShowNodeLabels()) {
textManager.getNodeRenderer().beginRendering();
textManager.defaultNodeColor();
if (textManager.isSelectedOnly()) {
for (Iterator<NodeModel> itr = octree.getNodeIterator(); itr.hasNext();) {
NodeModel obj = itr.next();
if (obj.markTime != markTime) {
if (obj.isSelected() && obj.isTextVisible()) {
textManager.getNodeRenderer().drawTextNode(obj);
}
obj.markTime = markTime;
}
}
} else {
for (Iterator<NodeModel> itr = octree.getNodeIterator(); itr.hasNext();) {
NodeModel obj = itr.next();
if (obj.markTime != markTime) {
if (obj.isTextVisible()) {
textManager.getNodeRenderer().drawTextNode(obj);
}
obj.markTime = markTime;
}
}
}
textManager.getNodeRenderer().endRendering();
}
//Draw rectangles around text for debug
// for (Iterator<NodeModel> itr = octree.getNodeIterator(); itr.hasNext();) {
// NodeModel obj = itr.next();
//
// float textW = obj.getTextWidth();
// float textH = obj.getTextHeight();
// float textX = obj.getX();
// float textY = obj.getY();
//
// gl.glColor4f(0.3f, 0.3f, 0.3f, 0.3f);
// gl.glBegin(GL2.GL_QUADS);
// gl.glVertex3f(textX-textW/2f, textY+textH/2, 0);
// gl.glVertex3f(textX+textW/2f, textY+textH/2, 0);
// gl.glVertex3f(textX+textW/2f, textY-textH/2, 0);
// gl.glVertex3f(textX-textW/2f, textY-textH/2, 0);
// gl.glEnd();
// }
if (edgeModeler.isEnabled() && vizModel.getTextModel().isShowEdgeLabels()) {
markTime++;
textManager.getEdgeRenderer().beginRendering();
textManager.defaultEdgeColor();
if (textManager.isSelectedOnly()) {
for (Iterator<EdgeModel> itr = octree.getEdgeIterator(); itr.hasNext();) {
EdgeModel obj = itr.next();
if (obj.markTime != markTime) {
if ((obj.isSelected() || obj.isAutoSelected()) && obj.isTextVisible()) {
textManager.getEdgeRenderer().drawTextEdge(obj);
}
obj.markTime = markTime;
}
}
} else {
for (Iterator<EdgeModel> itr = octree.getEdgeIterator(); itr.hasNext();) {
EdgeModel obj = itr.next();
if (obj.markTime != markTime) {
if (obj.isTextVisible()) {
textManager.getEdgeRenderer().drawTextEdge(obj);
}
obj.markTime = markTime;
}
}
}
textManager.getEdgeRenderer().endRendering();
}
}
// octree.displayOctree(gl, glu);
}
@Override
public void afterDisplay(GL2 gl, GLU glu) {
if (vizConfig.isSelectionEnable() && currentSelectionArea != null) {
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glPushMatrix();
gl.glLoadIdentity();
gl.glOrtho(0, graphDrawable.getViewportWidth(), 0, graphDrawable.getViewportHeight(), -1, 1);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glPushMatrix();
gl.glLoadIdentity();
currentSelectionArea.drawArea(gl, glu);
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glPopMatrix();
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glPopMatrix();
}
graphIO.trigger();
}
@Override
public void cameraHasBeenMoved(GL2 gl, GLU glu) {
}
@Override
public void initEngine(final GL2 gl, final GLU glu) {
initDisplayLists(gl, glu);
lifeCycle.setInited();
}
@Override
public void mouseClick() {
if (vizConfig.isSelectionEnable() && rectangleSelection && !customSelection) {
Rectangle rectangle = (Rectangle) currentSelectionArea;
//rectangle.setBlocking(false);
resetEdgesSelection();
//Select with click
boolean someSelection = false;
for (Iterator<NodeModel> itr = octree.getSelectableNodeIterator(); itr.hasNext();) {
NodeModel obj = (NodeModel) itr.next();
if (isUnderMouse(obj)) {
if (!obj.isSelected()) {
//New selected
obj.setSelected(true);
}
someSelection = true;
} else if (obj.isSelected()) {
someSelection = true;
}
}
if (!(rectangle.isCtrl() && someSelection)) {
for (NodeModel nm : getSelectedNodes()) {
nm.setSelected(false);
}
someSelection = false;
}
rectangle.setBlocking(someSelection);
if (vizController.getVizModel().isLightenNonSelectedAuto()) {
if (vizConfig.isLightenNonSelectedAnimation()) {
if (!anySelected && someSelection) {
//Start animation
lightenAnimationDelta = 0.07f;
} else if (anySelected && !someSelection) {
//Stop animation
lightenAnimationDelta = -0.07f;
}
vizConfig.setLightenNonSelected(someSelection || lightenAnimationDelta != 0);
} else {
vizConfig.setLightenNonSelected(someSelection);
}
}
anySelected = someSelection;
scheduler.requireUpdateSelection();
}
}
@Override
public void mouseDrag() {
if (vizConfig.isMouseSelectionUpdateWhileDragging()) {
mouseMove();
} else {
float[] drag = graphIO.getMouseDrag3d();
if (dragSelected != null) {
for (NodeModel obj : dragSelected) {
float[] mouseDistance = obj.getDragDistanceFromMouse();
obj.getNode().setX(drag[0] + mouseDistance[0]);
obj.getNode().setY(drag[1] + mouseDistance[1]);
}
}
}
}
@Override
public void mouseMove() {
//Selection
if (vizConfig.isSelectionEnable() && rectangleSelection) {
Rectangle rectangle = (Rectangle) currentSelectionArea;
rectangle.setMousePosition(graphIO.getMousePosition(), graphIO.getMousePosition3d());
if (rectangle.isStop()) {
return;
}
}
if (customSelection || currentSelectionArea.blockSelection()) {
return;
}
if (!rectangleSelection && graphIO.isDragging()) {
return;
}
boolean someSelection = false;
for (Iterator<NodeModel> itr = octree.getSelectableNodeIterator(); itr.hasNext();) {
NodeModel obj = itr.next();
if (isUnderMouse(obj)) {
if (!obj.isSelected()) {
//New selected
obj.setSelected(true);
}
someSelection = true;
} else if (obj.isSelected()) {
obj.setSelected(false);
}
}
if (vizController.getVizModel().isLightenNonSelectedAuto()) {
if (vizConfig.isLightenNonSelectedAnimation()) {
if (!anySelected && someSelection) {
//Start animation
lightenAnimationDelta = 0.07f;
} else if (anySelected && !someSelection) {
//Stop animation
lightenAnimationDelta = -0.07f;
}
vizConfig.setLightenNonSelected(someSelection || lightenAnimationDelta != 0);
} else {
vizConfig.setLightenNonSelected(someSelection);
}
}
anySelected = someSelection;
}
@Override
public void refreshGraphLimits() {
}
@Override
public void startDrag() {
float x = graphIO.getMouseDrag3d()[0];
float y = graphIO.getMouseDrag3d()[1];
dragSelected = getSelectedNodes();
for (NodeModel selected : dragSelected) {
float[] tab = selected.getDragDistanceFromMouse();
tab[0] = selected.getNode().x() - x;
tab[1] = selected.getNode().y() - y;
}
}
@Override
public void stopDrag() {
//Selection
if (vizConfig.isSelectionEnable() && rectangleSelection) {
Rectangle rectangle = (Rectangle) currentSelectionArea;
rectangle.stop();
scheduler.requireUpdateSelection();
}
dragSelected = null;
}
@Override
public void updateLOD() {
Iterator<NodeModel> iterator = octree.getNodeIterator();
for (; iterator.hasNext();) {
NodeModel obj = iterator.next();
nodeModeler.chooseModel(obj);
}
}
@Override
public List<NodeModel> getSelectedNodes() {
List<NodeModel> selected = new ArrayList<>();
for (Iterator<NodeModel> itr = octree.getSelectableNodeIterator(); itr.hasNext();) {
NodeModel nodeModel = itr.next();
if (nodeModel.isSelected()) {
selected.add(nodeModel);
}
}
return selected;
}
@Override
public List<EdgeModel> getSelectedEdges() {
List<EdgeModel> selected = new ArrayList<>();
for (Iterator<EdgeModel> itr = octree.getEdgeIterator(); itr.hasNext();) {
EdgeModel edgeModel = itr.next();
if (edgeModel.isSelected()) {
selected.add(edgeModel);
}
}
return selected;
}
@Override
public List<Node> getSelectedUnderlyingNodes() {
List<Node> selected = new ArrayList<>();
for (Iterator<NodeModel> itr = octree.getSelectableNodeIterator(); itr.hasNext();) {
NodeModel nodeModel = itr.next();
if (nodeModel.isSelected()) {
selected.add(nodeModel.getNode());
}
}
return selected;
}
@Override
public List<Edge> getSelectedUnderlyingEdges() {
List<Edge> selected = new ArrayList<>();
for (Iterator<EdgeModel> itr = octree.getEdgeIterator(); itr.hasNext();) {
EdgeModel edgeModel = itr.next();
if (edgeModel.isSelected()) {
selected.add(edgeModel.getEdge());
}
}
return selected;
}
@Override
public void selectObject(Model modl) {
selectObject(new Model[]{modl});
}
@Override
public void selectObject(Model[] objs) {
resetSelection();
if (objs != null) {
if (!customSelection) {
vizConfig.setRectangleSelection(false);
customSelection = true;
configChanged = true;
forceHighlight();
}
for (Model mdl : objs) {
if (mdl != null) {
mdl.setSelected(true);
anySelected = true;
}
}
}
}
private void forceHighlight() {
//Force highlight
if (vizController.getVizModel().isLightenNonSelectedAuto()) {
if (vizConfig.isLightenNonSelectedAnimation()) {
//Start animation
lightenAnimationDelta = 0.07f;
vizConfig.setLightenNonSelected(true);
} else {
vizConfig.setLightenNonSelected(true);
}
}
}
@Override
public void resetSelection() {
customSelection = false;
configChanged = true;
anySelected = false;
resetNodesSelection();
resetEdgesSelection();
}
private void resetNodesSelection(){
for (NodeModel selectedNode : getSelectedNodes()) {
selectedNode.setSelected(false);
}
}
private void resetEdgesSelection(){
for (EdgeModel selectedEdge : getSelectedEdges()) {
selectedEdge.setSelected(false);
}
}
@Override
public void initDisplayLists(GL2 gl, GLU glu) {
//Quadric for all the glu models
GLUquadric quadric = glu.gluNewQuadric();
int ptr = gl.glGenLists(4);
nodeModeler.initDisplayLists(gl, glu, quadric, ptr);
glu.gluDeleteQuadric(quadric);
}
@Override
public void initObject3dClass() {
nodeModeler = new NodeModeler(this);
edgeModeler = new EdgeModeler(this);
nodeModeler.setEnabled(true);
edgeModeler.setEnabled(vizController.getVizModel().isShowEdges());
}
@Override
public void initSelection() {
if (vizConfig.isCustomSelection()) {
rectangleSelection = false;
currentSelectionArea = null;
} else if (vizConfig.isRectangleSelection()) {
currentSelectionArea = new Rectangle();
rectangleSelection = true;
customSelection = false;
} else {
currentSelectionArea = new Cylinder();
rectangleSelection = false;
customSelection = false;
}
}
@Override
public void startAnimating() {
if (!scheduler.isAnimating()) {
scheduler.start();
graphIO.startMouseListening();
}
}
@Override
public void stopAnimating() {
if (scheduler.isAnimating()) {
scheduler.stop();
graphIO.stopMouseListening();
}
}
@Override
public Scheduler getScheduler() {
return scheduler;
}
}