/*
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.swing;
import java.awt.Cursor;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseWheelEvent;
import javax.swing.SwingUtilities;
import org.gephi.lib.gleem.linalg.MathUtil;
import org.gephi.lib.gleem.linalg.Vec3f;
import org.gephi.visualization.GraphLimits;
import org.gephi.visualization.VizArchitecture;
import org.gephi.visualization.VizController;
import org.gephi.visualization.api.selection.SelectionManager;
import org.gephi.visualization.apiimpl.GraphContextMenu;
import org.gephi.visualization.apiimpl.GraphIO;
import org.gephi.visualization.apiimpl.VizEventManager;
import org.gephi.visualization.opengl.AbstractEngine;
import org.gephi.visualization.selection.Rectangle;
/**
*
* @author Mathieu Bastian
*/
public class StandardGraphIO implements GraphIO, VizArchitecture {
//Architecture
protected GraphDrawableImpl graphDrawable;
protected AbstractEngine engine;
protected VizEventManager vizEventManager;
protected VizController vizController;
protected GraphLimits limits;
//Listeners data
protected float[] rightButtonMoving = {-1f, 0f, 0f};
protected float[] leftButtonMoving = {-1f, 0f, 0f};
protected float[] middleButtonMoving = {-1f, 0f, 0f};
protected float[] mousePosition = new float[2];
protected float[] mouseDrag3d = new float[2];
protected float[] mouseDrag = new float[2];
protected float[] startDrag2d = new float[2];
//Flags
protected boolean draggingEnable = true;
protected boolean dragging = false;
protected boolean pressing = false;
@Override
public void initArchitecture() {
this.graphDrawable = VizController.getInstance().getDrawable();
this.engine = VizController.getInstance().getEngine();
this.vizEventManager = VizController.getInstance().getVizEventManager();
this.vizController = VizController.getInstance();
this.limits = VizController.getInstance().getLimits();
}
@Override
public void startMouseListening() {
stopMouseListening();
if (vizController.getVizConfig().isCameraControlEnable()) {
graphDrawable.graphComponent.addMouseListener(this);
graphDrawable.graphComponent.addMouseWheelListener(this);
}
if (vizController.getVizConfig().isSelectionEnable()) {
graphDrawable.graphComponent.addMouseMotionListener(this);
}
}
@Override
public void stopMouseListening() {
graphDrawable.graphComponent.removeMouseListener(this);
graphDrawable.graphComponent.removeMouseMotionListener(this);
graphDrawable.graphComponent.removeMouseWheelListener(this);
}
@Override
public void mousePressed(MouseEvent e) {
if (!graphDrawable.getGraphComponent().isShowing()) {
return;
}
float x = e.getLocationOnScreen().x - graphDrawable.graphComponent.getLocationOnScreen().x;
float y = e.getLocationOnScreen().y - graphDrawable.graphComponent.getLocationOnScreen().y;
if (SwingUtilities.isRightMouseButton(e)) {
//Save the coordinate of the start
rightButtonMoving[0] = x;
rightButtonMoving[1] = y;
graphDrawable.graphComponent.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
vizEventManager.mouseRightPress();
} else if (vizController.getVizModel().isRotatingEnable() && SwingUtilities.isMiddleMouseButton(e)) {
middleButtonMoving[0] = x;
middleButtonMoving[1] = y;
graphDrawable.graphComponent.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
vizEventManager.mouseMiddlePress();
} else if (SwingUtilities.isLeftMouseButton(e)) {
leftButtonMoving[0] = x;
leftButtonMoving[1] = y;
pressing = true;
vizEventManager.mouseLeftPress();
}
}
@Override
public void mouseReleased(MouseEvent e) {
//Disable the right button moving
rightButtonMoving[0] = -1;
leftButtonMoving[0] = -1;
middleButtonMoving[0] = -1;
//Update mouse position because the movement during dragging
if (graphDrawable.getGraphComponent().isShowing()) {
float x = e.getLocationOnScreen().x - graphDrawable.graphComponent.getLocationOnScreen().x;
float y = e.getLocationOnScreen().y - graphDrawable.graphComponent.getLocationOnScreen().y;
mousePosition[0] = x;
mousePosition[1] = graphDrawable.viewport.get(3) - y;
}
if (dragging) {
dragging = false;
engine.getScheduler().requireStopDrag();
vizEventManager.stopDrag();
} else {
graphDrawable.graphComponent.setCursor(Cursor.getDefaultCursor());
}
vizEventManager.mouseReleased();
if (pressing) {
pressing = false;
}
}
@Override
public void mouseEntered(MouseEvent e) {
dragging = false;
/*if (!engine.getScheduler().isAnimating()) {
engine.getScheduler().start();
}*/
}
@Override
public void mouseExited(MouseEvent e) {
if (!dragging) {
//engine.getScheduler().stop();
}
}
@Override
public void mouseMoved(MouseEvent e) {
if (!graphDrawable.getGraphComponent().isShowing()) {
return;
}
float x = e.getLocationOnScreen().x - graphDrawable.graphComponent.getLocationOnScreen().x;
float y = e.getLocationOnScreen().y - graphDrawable.graphComponent.getLocationOnScreen().y;
mousePosition[0] = x;
mousePosition[1] = graphDrawable.viewport.get(3) - y;
engine.getScheduler().requireUpdateSelection();
vizEventManager.mouseMove();
}
/**
* Mouse clicked event.
*/
@Override
public void mouseClicked(MouseEvent e) {
if (SwingUtilities.isLeftMouseButton(e)) {
if (vizController.getVizConfig().isSelectionEnable() && engine.isRectangleSelection()) {
Rectangle r = (Rectangle) engine.getCurrentSelectionArea();
boolean ctrl = (e.getModifiers() & InputEvent.CTRL_DOWN_MASK) != 0 || (e.getModifiers() & InputEvent.CTRL_MASK) != 0;
r.setCtrl(ctrl);
}
engine.getScheduler().requireMouseClick();
vizEventManager.mouseLeftClick();
} else if (SwingUtilities.isRightMouseButton(e)) {
if (vizController.getVizConfig().isContextMenu()) {
GraphContextMenu popupMenu = new GraphContextMenu();
// popupMenu.getMenu().show(graphDrawable.getGraphComponent(), (int) mousePosition[0], (int) (graphDrawable.viewport.get(3) - mousePosition[1]));
}
vizEventManager.mouseRightClick();
} else if (SwingUtilities.isMiddleMouseButton(e)) {
vizEventManager.mouseMiddleClick();
}
}
@Override
public void mouseDragged(MouseEvent e) {
if (!graphDrawable.getGraphComponent().isShowing()) {
return;
}
float x = e.getLocationOnScreen().x - graphDrawable.graphComponent.getLocationOnScreen().x;//TODO Pourqoui ce osnt des float et pas des int
float y = e.getLocationOnScreen().y - graphDrawable.graphComponent.getLocationOnScreen().y;
if (rightButtonMoving[0] != -1) {
//The right button is pressed
float proche = graphDrawable.cameraTarget[2] - graphDrawable.cameraLocation[2];
proche = proche / 300;
graphDrawable.cameraTarget[0] += (x - rightButtonMoving[0]) * proche;
graphDrawable.cameraTarget[1] += (rightButtonMoving[1] - y) * proche;
graphDrawable.cameraLocation[0] += (x - rightButtonMoving[0]) * proche;
graphDrawable.cameraLocation[1] += (rightButtonMoving[1] - y) * proche;
rightButtonMoving[0] = x;
rightButtonMoving[1] = y;
engine.getScheduler().requireUpdateVisible();
}
if (middleButtonMoving[0] != -1) {
//The middle button is pressed
float angleY = y - middleButtonMoving[1];
if (angleY > 0 || (graphDrawable.cameraTarget[1] - graphDrawable.cameraLocation[1] > 0)) {
middleButtonMoving[1] = y;
graphDrawable.cameraLocation[1] = graphDrawable.cameraLocation[1] - Math.abs(graphDrawable.cameraLocation[2] - graphDrawable.cameraTarget[2]) * (float) Math.sin(Math.toRadians(angleY));
engine.getScheduler().requireUpdateVisible();
}
}
if (leftButtonMoving[0] != -1) {
//Remet à jour aussi la mousePosition pendant le drag, notamment pour coller quand drag released
mousePosition[0] = x;
mousePosition[1] = graphDrawable.viewport.get(3) - y;
mouseDrag3d[0] = (float) ((graphDrawable.viewport.get(2) / 2 - x) / graphDrawable.draggingMarker[0] + graphDrawable.cameraTarget[0]);
mouseDrag3d[1] = (float) ((y - graphDrawable.viewport.get(3) / 2) / graphDrawable.draggingMarker[1] + graphDrawable.cameraTarget[1]);
if (vizController.getVizConfig().isSelectionEnable() && engine.isRectangleSelection()) {
if (!dragging) {
//Start drag
dragging = true;
Rectangle rectangle = (Rectangle) engine.getCurrentSelectionArea();
rectangle.start(mousePosition);
}
engine.getScheduler().requireUpdateSelection();
} else if (vizController.getVizConfig().isDraggingEnable()) {
if (!dragging) {
//Start drag
dragging = true;
engine.getScheduler().requireStartDrag();
}
engine.getScheduler().requireDrag();
} else if (vizController.getVizConfig().isMouseSelectionUpdateWhileDragging()) {
engine.getScheduler().requireDrag();
} else {
if (!dragging) {
//Start drag
dragging = true;
startDrag2d[0] = x;
startDrag2d[1] = y;
vizEventManager.startDrag();
}
mouseDrag[0] = x - startDrag2d[0];
mouseDrag[1] = startDrag2d[1] - y;
vizEventManager.drag();
}
leftButtonMoving[0] = x;
leftButtonMoving[1] = y;
}
}
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
if (e.getUnitsToScroll() == 0) {
return;
}
boolean ctrl = (e.getModifiers() & InputEvent.CTRL_DOWN_MASK) != 0 || (e.getModifiers() & InputEvent.CTRL_MASK) != 0;
if (ctrl) {
SelectionManager manager = VizController.getInstance().getSelectionManager();
if (!manager.isRectangleSelection()) {
int s = manager.getMouseSelectionDiameter();
s += -e.getUnitsToScroll() * 2;
s = Math.min(1000, s);
s = Math.max(1, s);
manager.setMouseSelectionDiameter(s);
}
return;
}
//Attributes
float way = -e.getUnitsToScroll() / Math.abs(e.getUnitsToScroll());
Vec3f cameraVector = graphDrawable.getCameraVector().copy();
float cameraLocation[] = graphDrawable.getCameraLocation();
float cameraTarget[] = graphDrawable.getCameraTarget();
//Distance
float distance = limits.getDistanceFromPoint(cameraLocation[0], cameraLocation[1], cameraLocation[2]);
float distanceRatio = MathUtil.clamp(2 * distance / 10000f, 0f, 2f);
float coeff = (float) (Math.exp(distanceRatio - 2) * 2.2 - 0.295); //exp(x-2)*2.2-0.3
float step = way * (10f + 1000 * coeff);
if (way == -1) {
step *= 3;
}
float stepRatio = step / distance;
//Get mouse position within the clipping plane
float mouseX = MathUtil.clamp(mousePosition[0], limits.getMinXviewport(), limits.getMaxXviewport());
float mouseY = MathUtil.clamp(mousePosition[1], limits.getMinYviewport(), limits.getMaxYviewport());
mouseX = mouseX - graphDrawable.viewport.get(2) / 2f; //Set to centric coordinates
mouseY = mouseY - graphDrawable.viewport.get(3) / 2f;
//Transform in 3d coordinates
mouseX /= -graphDrawable.draggingMarker[0];
mouseY /= -graphDrawable.draggingMarker[1];
//Set stepVector for zooming, direction of camera and norm of step
cameraVector.normalize();
Vec3f stepVec = cameraVector.times(step);
cameraLocation[0] += stepVec.x();
cameraLocation[1] += stepVec.y();
cameraLocation[2] += stepVec.z();
cameraLocation[2] = MathUtil.clamp(cameraLocation[2], 1f, Float.POSITIVE_INFINITY);
//System.out.println("camera: "+graphDrawable.cameraLocation[2]);
//Displacement of camera according to mouse position. Clamped to graph limits
Vec3f disVec = new Vec3f(mouseX, mouseY, 0);
disVec.scale(stepRatio);
//System.out.println(disVec.x()+" "+disVec.y()+" "+disVec.z());
cameraLocation[0] += disVec.x();
cameraLocation[1] += disVec.y();
cameraLocation[2] += disVec.z();
cameraTarget[0] += disVec.x();
cameraTarget[1] += disVec.y();
cameraTarget[2] += disVec.z();
//Refresh
engine.getScheduler().requireUpdateVisible();
//Too slow as it triggers many events later
//vizController.getVizModel().setCameraDistance(graphDrawable.getCameraVector().length());
/* float[] graphLimits = engine.getGraphLimits();
float graphWidth = Math.abs(graphLimits[1]-graphLimits[0]);
float graphHeight = Math.abs(graphLimits[3]-graphLimits[2]);
//On reduit l'hypothenuse et on calcule les depl z et y correpsondant
double hypotenuse = Math.sqrt(Math.pow(graphDrawable.cameraTarget[1] - graphDrawable.cameraLocation[1],2d) +
Math.pow(graphDrawable.cameraTarget[2] - graphDrawable.cameraLocation[2],2d));
float move = e.getUnitsToScroll()*((float)hypotenuse*0.05f);
float widthRatio = graphWidth/(float)hypotenuse;
float heightRatio = graphHeight/(float)hypotenuse;
float distanceRatio = Math.max(widthRatio, heightRatio);
if(e.getUnitsToScroll() > 0 && distanceRatio < 0.03f)
return;
if(hypotenuse + move > 2 ) {
hypotenuse = hypotenuse + move;
double disY = hypotenuse*Math.sin(graphDrawable.rotationX);
double disZ = hypotenuse*Math.cos(graphDrawable.rotationX);
float moveY = e.getUnitsToScroll()*(float)(disY*1/(8+distanceRatio));
float moveZ = e.getUnitsToScroll()*(float)(disZ*1/(8+distanceRatio));
//float moveY = e.getUnitsToScroll()*(float)(disY*0.05f);
//float moveZ = e.getUnitsToScroll()*(float)(disZ*0.05f);
graphDrawable.cameraLocation[1] += moveY;
graphDrawable.cameraLocation[2] += moveZ;
graphDrawable.rotationX = (float)Math.atan(((graphDrawable.cameraLocation[1]-graphDrawable.cameraTarget[1])/(graphDrawable.cameraLocation[2]-graphDrawable.cameraTarget[2])));
engine.getScheduler().requireUpdateVisible();
}*/
}
@Override
public void setCameraDistance(float distance) {
float cameraLocation[] = graphDrawable.getCameraLocation();
float cameraTarget[] = graphDrawable.getCameraTarget();
Vec3f camVect = new Vec3f(cameraTarget[0] - cameraLocation[0], cameraTarget[1] - cameraLocation[1], cameraTarget[2] - cameraLocation[2]);
float diff = camVect.length() - distance;
if (Math.abs(diff) > 1f) {
camVect.normalize();
cameraLocation[0] += camVect.x() * diff;
cameraLocation[1] += camVect.y() * diff;
cameraLocation[2] += camVect.z() * diff;
cameraLocation[2] = Math.max(0.5f, cameraLocation[2]);
engine.getScheduler().requireUpdateVisible();
}
}
@Override
public float[] getMousePosition3d() {
float[] m = new float[2];
m[0] = mousePosition[0] - graphDrawable.viewport.get(2) / 2f; //Set to centric coordinates
m[1] = mousePosition[1] - graphDrawable.viewport.get(3) / 2f;
m[0] /= -graphDrawable.draggingMarker[0]; //Transform in 3d coordinates
m[1] /= -graphDrawable.draggingMarker[1];
m[0] += graphDrawable.cameraTarget[0];
m[1] += graphDrawable.cameraTarget[1];
return m;
}
@Override
public void trigger() {
if (pressing) {
vizEventManager.mouseLeftPressing();
}
}
@Override
public void keyPressed(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public float[] getMousePosition() {
return mousePosition;
}
@Override
public float[] getMouseDrag() {
return mouseDrag;
}
@Override
public float[] getMouseDrag3d() {
return mouseDrag3d;
}
@Override
public void centerOnZero() {
graphDrawable.cameraLocation[0] = 0;
graphDrawable.cameraLocation[1] = 0;
graphDrawable.cameraLocation[2] = 100;
graphDrawable.cameraTarget[0] = 0;
graphDrawable.cameraTarget[1] = 0;
graphDrawable.cameraTarget[2] = 0;
//Refresh
engine.getScheduler().requireUpdateVisible();
}
@Override
public void centerOnGraph() {
float graphWidth = Math.abs(limits.getMaxXoctree() - limits.getMinXoctree());
float graphHeight = Math.abs(limits.getMaxYoctree() - limits.getMinYoctree());
float currentDistanceGraphRatioX = Math.abs(graphDrawable.viewport.get(2) / (float) graphDrawable.getDraggingMarkerX()) / graphDrawable.cameraLocation[2];
float currentDistanceGraphRatioY = Math.abs(graphDrawable.viewport.get(3) / (float) graphDrawable.getDraggingMarkerY()) / graphDrawable.cameraLocation[2];
float newCameraLocationX = graphWidth / currentDistanceGraphRatioX;
float newCameraLocationY = graphHeight / currentDistanceGraphRatioY;
float newCameraLocation = Math.max(newCameraLocationX, newCameraLocationY);
graphDrawable.cameraLocation[0] = limits.getMinXoctree() + graphWidth / 2;
graphDrawable.cameraLocation[1] = limits.getMinYoctree() + graphWidth / 2;
graphDrawable.cameraLocation[2] = newCameraLocation;
graphDrawable.cameraTarget[0] = graphDrawable.cameraLocation[0];
graphDrawable.cameraTarget[1] = graphDrawable.cameraLocation[1];
graphDrawable.cameraTarget[2] = 0;
//Refresh
engine.getScheduler().requireUpdateVisible();
}
@Override
public void centerOnCoordinate(float x, float y, float z) {
graphDrawable.cameraTarget[0] = x;
graphDrawable.cameraTarget[1] = y;
graphDrawable.cameraTarget[2] = z;
graphDrawable.cameraLocation[0] = x;
graphDrawable.cameraLocation[1] = y;
graphDrawable.cameraLocation[2] = z + 100;
}
}