Java tutorial
/* This file is part of JSMAA. JSMAA is distributed from http://smaa.fi/. (c) Tommi Tervonen, 2009-2010. (c) Tommi Tervonen, Gert van Valkenhoef 2011. (c) Tommi Tervonen, Gert van Valkenhoef, Joel Kuiper, Daan Reid 2012. (c) Tommi Tervonen, Gert van Valkenhoef, Joel Kuiper, Daan Reid, Raymond Vermaas 2013. JSMAA 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 3 of the License, or (at your option) any later version. JSMAA 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 JSMAA. If not, see <http://www.gnu.org/licenses/>. */ package fi.smaa.jsmaa.gui; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.InputStream; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.ToolTipManager; import javax.swing.event.TreeSelectionEvent; import javax.swing.event.TreeSelectionListener; import org.drugis.common.gui.FileLoadDialog; import org.drugis.common.gui.FileSaveDialog; import org.drugis.common.gui.ViewBuilder; import org.jfree.chart.ChartFactory; import org.jfree.chart.StandardChartTheme; import fi.smaa.jsmaa.AppInfo; import fi.smaa.jsmaa.ModelFileManager; import fi.smaa.jsmaa.model.Alternative; import fi.smaa.jsmaa.model.Criterion; import fi.smaa.jsmaa.model.ModelChangeEvent; import fi.smaa.jsmaa.model.NamedObject; import fi.smaa.jsmaa.model.SMAAModel; import fi.smaa.jsmaa.model.SMAAModelListener; import fi.smaa.jsmaa.model.SMAATRIModel; import fi.smaa.jsmaa.model.xml.InvalidModelVersionException; import fi.smaa.jsmaa.model.xml.JSMAABinding; import fi.smaa.jsmaa.simulator.BuildQueue; @SuppressWarnings("serial") public class JSMAAMainFrame extends JFrame implements MenuDirector { public static final Object JSMAA_MODELFILE_EXTENSION = "jsmaa"; private ViewBuilder rightViewBuilder; private JScrollPane rightPane; private SMAAModelListener modelListener = new MySMAAModelListener(); private GUIFactory guiFactory; public ModelFileManager modelManager; public BuildQueue buildQueue = new BuildQueue(); public NameListener nameListener = new NameListener(); public JSMAAMainFrame(SMAAModel model) { super(AppInfo.getAppName()); ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme()); ToolTipManager.sharedInstance().setInitialDelay(0); setPreferredSize(new Dimension(950, 700)); setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); modelManager = new ModelFileManager(); modelManager.addPropertyChangeListener(ModelFileManager.PROPERTY_TITLE, new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent ev) { setTitle((String) ev.getNewValue()); } }); modelManager.addPropertyChangeListener(ModelFileManager.PROPERTY_MODEL, new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent evt) { initWithModel((SMAAModel) evt.getNewValue()); } }); modelManager.setModel(model); } public void initWithModel(SMAAModel model) { if (model instanceof SMAATRIModel) { guiFactory = new SMAATRIGUIFactory(this, (SMAATRIModel) model, this); } else { guiFactory = new SMAA2GUIFactory(this, model, this); } rebuildGUI(); buildNewSimulator(); model.addModelListener(modelListener); Focuser.focus(guiFactory.getTree(), guiFactory.getTreeModel(), guiFactory.getTreeModel().getCriteriaNode()); reconnectNameListeners(); } private void reconnectNameListeners() { for (Alternative a : modelManager.getModel().getAlternatives()) { a.addPropertyChangeListener(nameListener); } if (modelManager.getModel() instanceof SMAATRIModel) { for (Alternative cat : ((SMAATRIModel) modelManager.getModel()).getCategories()) { cat.addPropertyChangeListener(nameListener); } } for (Criterion c : modelManager.getModel().getCriteria()) { c.addPropertyChangeListener(nameListener); } } private void rebuildGUI() { JSplitPane splitPane = new JSplitPane(); splitPane.setResizeWeight(0.1); splitPane.setDividerSize(2); splitPane.setDividerLocation(-1); rightPane = new JScrollPane(); rightPane.getVerticalScrollBar().setUnitIncrement(16); splitPane.setRightComponent(rightPane); JScrollPane leftScrollPane = new JScrollPane(); leftScrollPane.setViewportView(guiFactory.getTree()); splitPane.setLeftComponent(leftScrollPane); getContentPane().removeAll(); getContentPane().setLayout(new BorderLayout()); getContentPane().add("Center", splitPane); getContentPane().add("North", guiFactory.getTopToolBar()); getContentPane().add("South", guiFactory.getBottomToolBar()); setJMenuBar(guiFactory.getMenuBar()); guiFactory.getTree().addTreeSelectionListener(new LeftTreeSelectionListener()); pack(); } private void rebuildRightPanel() { rightPane.setViewportView(rightViewBuilder.buildPanel()); } public void quit() { for (WindowListener w : getWindowListeners()) { w.windowClosing(new WindowEvent(this, WindowEvent.WINDOW_CLOSING)); } } public void newModel(SMAAModel newModel) { if (!checkSaveCurrentModel()) { return; } modelManager.setModel(newModel); } public boolean saveAs() { final boolean[] success = new boolean[] { false }; FileSaveDialog d = new FileSaveDialog(this, "jsmaa", "JSMAA model files") { public void doAction(String path, String extension) { File file = checkFileExtension(new File(path)); success[0] = trySaveModel(file); modelManager.setModelFile(file); } }; d.saveActions(); return success[0]; } private boolean checkSaveCurrentModel() { if (!modelManager.getSaved()) { int conf = JOptionPane.showConfirmDialog(this, "Current model not saved. Do you want do save changes?", "Save changed", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, ImageFactory.IMAGELOADER.getIcon(FileNames.ICON_STOP)); if (conf == JOptionPane.CANCEL_OPTION) { return false; } else if (conf == JOptionPane.YES_OPTION) { if (!save()) { return false; } } } return true; } private boolean trySaveModel(File file) { try { FileOutputStream fos = new FileOutputStream(file); JSMAABinding.writeModel(modelManager.getModel(), new BufferedOutputStream(fos)); fos.close(); modelManager.setSaved(true); return true; } catch (Exception e) { JOptionPane.showMessageDialog(this, "Error saving model to " + getCanonicalPath(file) + ", " + e.getMessage(), "Save error", JOptionPane.ERROR_MESSAGE); return false; } } public boolean save() { if (modelManager.getModelFile() == null) { return saveAs(); } else { return trySaveModel(modelManager.getModelFile()); } } public void open() { if (!checkSaveCurrentModel()) { return; } FileLoadDialog dialog = new FileLoadDialog(this, "jsmaa", "JSMAA model files") { @Override public void doAction(String path, String extension) { try { File file = new File(path); InputStream fis = new FileInputStream(file); SMAAModel loadedModel = JSMAABinding.readModel(new BufferedInputStream(fis)); fis.close(); modelManager.setModel(loadedModel); modelManager.setModelFile(file); } catch (FileNotFoundException e) { JOptionPane.showMessageDialog(JSMAAMainFrame.this, "Error loading model: " + e.getMessage(), "Load error", JOptionPane.ERROR_MESSAGE); } catch (InvalidModelVersionException e) { showErrorIncompatibleModel(path, "file contains a an incompatible JSMAA model version " + e.getVersion() + ".\nOnly versions until " + SMAAModel.MODELVERSION + " supported.\nTo open the file, upgrade to a newer version of JSMAA (www.smaa.fi)"); } catch (Exception e) { e.printStackTrace(); showErrorIncompatibleModel(path, "file doesn't dontain a JSMAA model"); } } }; dialog.loadActions(); } private void showErrorIncompatibleModel(String file, String reason) { JOptionPane.showMessageDialog(this, "Error loading model from " + file + ": " + reason + ".", "Load error", JOptionPane.ERROR_MESSAGE); } private String getCanonicalPath(File selectedFile) { try { return selectedFile.getCanonicalPath(); } catch (Exception e) { return selectedFile.toString(); } } private File checkFileExtension(File file) { if (MyFileFilter.getExtension(file) == null || !MyFileFilter.getExtension(file).equals(JSMAA_MODELFILE_EXTENSION)) { return new File(file.getAbsolutePath() + "." + JSMAA_MODELFILE_EXTENSION); } return file; } private class LeftTreeSelectionListener implements TreeSelectionListener { public void valueChanged(TreeSelectionEvent e) { if (e.getNewLeadSelectionPath() == null) { return; } Object node = e.getNewLeadSelectionPath().getLastPathComponent(); rightViewBuilder = guiFactory.buildView(node); rebuildRightPanel(); } } private class MySMAAModelListener implements SMAAModelListener { public void modelChanged(ModelChangeEvent ev) { buildNewSimulator(); switch (ev.getType()) { case ModelChangeEvent.CRITERIA: case ModelChangeEvent.ALTERNATIVES: case ModelChangeEvent.CATEGORIES: reconnectNameListeners(); Focuser.focus(guiFactory.getTree(), guiFactory.getTreeModel(), guiFactory.getTreeModel().getModelNode()); break; case ModelChangeEvent.MEASUREMENT: case ModelChangeEvent.MEASUREMENT_TYPE: case ModelChangeEvent.PREFERENCES: case ModelChangeEvent.PREFERENCE_FUNCTION: break; default: rebuildRightPanel(); } } } private void buildNewSimulator() { if (modelManager.getModel() instanceof SMAATRIModel) { buildQueue.add(new SMAATRISimulationBuilder((SMAATRIModel) modelManager.getModel(), guiFactory, this)); } else { buildQueue.add(new SMAA2SimulationBuilder(modelManager.getModel(), guiFactory, this)); } } public MenuDirector getMenuDirector() { return this; } @Override public ModelFileManager getFileManager() { return modelManager; } private class NameListener implements PropertyChangeListener { @Override public void propertyChange(PropertyChangeEvent ev) { if (ev.getPropertyName().equals(NamedObject.PROPERTY_NAME)) { if (!ev.getNewValue().equals(ev.getOldValue())) { modelManager.setSaved(false); } } } } }