/**
* Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package jmt.gui.jmodel.JGraphMod;
import java.awt.Graphics;
import jmt.common.GlobalSettings;
import jmt.gui.common.Defaults;
import jmt.gui.jmodel.controller.Mediator;
import org.freehep.graphics2d.VectorGraphics;
import org.freehep.util.export.ExportDialog;
import org.jgraph.JGraph;
import org.jgraph.graph.BasicMarqueeHandler;
import org.jgraph.graph.CellView;
import org.jgraph.graph.DefaultCellViewFactory;
import org.jgraph.graph.DefaultGraphModel;
import org.jgraph.graph.DefaultGraphSelectionModel;
import org.jgraph.graph.GraphLayoutCache;
import org.jgraph.graph.GraphModel;
/** Jmt version of JGraph.
* @author Federico Granata
* Date: 11-lug-2003
* Time: 10.38.27
* Modyfied by Bertoli Marco to support JGraph 5.8 - 21/mar/2006
* Added Blocking Region Support 24-mar-2006
* @author Bertoli Marco (16-jun-2006) Added support for screenshots in vectorial format.
*/
public class JmtJGraph extends JGraph {
/**
*
*/
private static final long serialVersionUID = 1L;
static DefaultCellViewFactory cellViewFactory = new DefaultCellViewFactory();
// Conti Andrea 29-08-2003
// added a Mediator reference with get/set and constructor parameters.
protected Mediator mediator;
/**
* Returns a <code>JGraph</code> with a sample model.
*/
public JmtJGraph(Mediator m) {
this(null, m);
}
/**
* Returns an instance of <code>JGraph</code> which displays the
* the specified data model.
*
* @param model the <code>GraphModel</code> to use as the data model
*/
public JmtJGraph(GraphModel model, Mediator m) {
this(model, (GraphLayoutCache) null, m);
}
/**
* Returns an instance of <code>JGraph</code> which displays
* the specified data model using the specified view.
*
* @param model the <code>GraphModel</code> to use as the data model
* @param mh the <code>MarqueeHandler</code>
*/
public JmtJGraph(GraphModel model, BasicMarqueeHandler mh, Mediator m) {
this(model, null, mh, m);
}
/**
* Returns an instance of <code>JGraph</code> which displays
* the specified data model using the specified view.
*
* @param model the <code>GraphModel</code> to use as the data model
* @param view the <code>GraphLayoutCache</code> to use as the view
*/
public JmtJGraph(GraphModel model, GraphLayoutCache view, Mediator m) {
this(model, view, new BasicMarqueeHandler(), m);
}
/**
* Returns an instance of <code>JGraph</code> which displays
* the specified data model using the specified view.
*
* @param model the <code>GraphModel</code> to use as the data model
* @param view the <code>GraphLayoutCache</code> to use as the view
*/
public JmtJGraph(GraphModel model, GraphLayoutCache view, BasicMarqueeHandler mh, Mediator m) {
setMediator(m);
selectionModel = new DefaultGraphSelectionModel(this);
setLayout(null);
marquee = mh;
if (view == null) {
view = createDefaultGraphView(this);
}
setGraphLayoutCache(view);
updateUI();
if (model == null) {
model = new DefaultGraphModel();
setModel(model);
addSampleData(model);
} else {
setModel(model);
}
setDoubleBuffered(true);
// Properties for Blocking Region
setMoveIntoGroups(true);
setMoveOutOfGroups(true);
}
/**
* Sets the <code>Mediator</code> for this object
* @param mediator
*/
public void setMediator(Mediator mediator) {
this.mediator = mediator;
}
/**
* @return the <code>Mediator</code> for this object
*/
public Mediator getMediator() {
return mediator;
}
/**
* Creates and returns a default <code>GraphLayoutCache</code>.
*
* @return the default <code>GraphLayoutCache</code>
*/
protected static GraphLayoutCache createDefaultGraphView(JGraph graph) {
return new JmtGraphLayoutCache(graph.getModel(), cellViewFactory);
}
/** Gets the inport port for the cell under Point(x,y)
*
* @param x horizontal coordinate
* @param y vertical coordinate
* @return the inport port if available else null
*/
public InputPort getInPortAt(int x, int y) {
JmtCell cell = getVertexAt(x, y);
for (int i = 0; i < getModel().getChildCount(cell); i++) {
Object child = getModel().getChild(cell, i);
if (child instanceof InputPort) {
return (InputPort) child;
}
}
return null;
}
/** Gets the outport port for the cell under Point(x,y)
*
* @param x horizontal coordinate
* @param y vertical coordinate
* @return the outport port if available else null
*/
public OutputPort getOutPortAt(int x, int y) {
Object cell = getVertexAt(x, y);
if (cell instanceof JmtCell) {
for (int i = 0; i < getModel().getChildCount(cell); i++) {
Object child = getModel().getChild(cell, i);
if (child instanceof OutputPort) {
return (OutputPort) child;
}
}
}
return null;
}
/** Gets the first vertex at this position.
*
* @param x horizontal coordinate
* @param y vertical coordinate
* @return first vertex
*/
public JmtCell getVertexAt(int x, int y) {
CellView[] cellViews = getGraphLayoutCache().getAllViews();
for (CellView cellView : cellViews) {
if (cellView.getCell() instanceof JmtCell) {
if (cellView.getBounds().contains(x, y)) {
return (JmtCell) cellView.getCell();
}
}
}
return null;
// Object cell = null;
// Object oldCell = null;
// do {
// cell = getNextCellForLocation(oldCell, x, y);
// if (oldCell == cell)
// return null;
// else
// oldCell = cell;
// } while (!((cell instanceof JmtCell) || cell == null));
}
// Conti Andrea 29-08-2003
/**
* Notification from the <code>UIManager</code> that the L&F has changed.
* Replaces the current UI object with the latest version from the
* <code>UIManager</code>. Subclassers can override this to support
* different GraphUIs.
* @see javax.swing.JComponent#updateUI
*
*/
@Override
public void updateUI() {
setUI(new jmt.gui.jmodel.controller.JmtGraphUI(mediator));
invalidate();
}
// end
// --- Methods used to catch ScreenShots in vectorial format --------------------------------
/**
* Overrides paintComponent method to add support for screenshots
*/
@Override
protected void paintComponent(Graphics g) {
if (g == null) {
return;
}
VectorGraphics vg = VectorGraphics.create(g);
super.paintComponent(vg);
}
/**
* Shows a screenshot dialog used to select screenshot format
*/
public void showScreenShotDialog() {
ExportDialog export = new ExportDialog("Java Modelling Tools - version " + GlobalSettings.getSetting(GlobalSettings.VERSION));
export.setUserProperties(Defaults.getProperties());
export.showExportDialog(this, "Export as image...", this, "graph");
Defaults.save();
}
// ------------------------------------------------------------------------------------------
}