Java tutorial
/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * See LICENSE.txt included in this distribution for the specific * language governing permissions and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at LICENSE.txt. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END * * Copyright (c) 2014-2016 Ted Meyer, Nicholas DeMarinis, Matthew Heon, and Dolan Murvihill */ package net.lldp.checksims.ui.results; import java.awt.Color; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.event.ComponentEvent; import java.awt.event.ComponentListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.io.IOException; import javax.swing.BorderFactory; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextField; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import java.util.Collection; import java.util.Vector; import org.apache.commons.io.FileUtils; import net.lldp.checksims.ui.results.mview.SortableMatrixViewer; import net.lldp.checksims.algorithm.InternalAlgorithmError; import net.lldp.checksims.algorithm.similaritymatrix.SimilarityMatrix; import net.lldp.checksims.algorithm.similaritymatrix.output.MatrixPrinter; import net.lldp.checksims.algorithm.similaritymatrix.output.MatrixPrinterRegistry; /** * * @author ted * */ public class ScrollViewer extends JPanel { private final JScrollPane resultsView; private final JPanel sidebar; /** * Create a scroll viewer from a sortable Matrix Viewer * @param results the sortableMatrix to view * @param toRevalidate frame to revalidate sometimes */ public ScrollViewer(SimilarityMatrix exportMatrix, SortableMatrixViewer results, JFrame toRevalidate) { resultsView = new JScrollPane(results); setBackground(Color.black); resultsView.addComponentListener(new ComponentListener() { @Override public void componentHidden(ComponentEvent arg0) { } @Override public void componentMoved(ComponentEvent arg0) { } @Override public void componentResized(ComponentEvent ce) { Dimension size = ce.getComponent().getSize(); results.padToSize(size); } @Override public void componentShown(ComponentEvent arg0) { } }); resultsView.getViewport().addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { Rectangle r = resultsView.getViewport().getViewRect(); results.setViewAt(r); } }); resultsView.setBackground(Color.black); sidebar = new JPanel(); setPreferredSize(new Dimension(900, 631)); setMinimumSize(new Dimension(900, 631)); sidebar.setPreferredSize(new Dimension(200, 631)); sidebar.setMaximumSize(new Dimension(200, 3000)); resultsView.setMinimumSize(new Dimension(700, 631)); resultsView.setPreferredSize(new Dimension(700, 631)); sidebar.setBackground(Color.GRAY); setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS)); this.add(sidebar); this.add(resultsView); resultsView.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS); resultsView.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); resultsView.getVerticalScrollBar().setUnitIncrement(16); resultsView.getHorizontalScrollBar().setUnitIncrement(16); Integer[] presetThresholds = { 80, 60, 40, 20, 0 }; JComboBox<Integer> threshHold = new JComboBox<Integer>(presetThresholds); threshHold.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent event) { if (event.getStateChange() == ItemEvent.SELECTED) { Integer item = (Integer) event.getItem(); results.updateThreshold(item / 100.0); toRevalidate.revalidate(); toRevalidate.repaint(); } } }); threshHold.setSelectedIndex(0); results.updateThreshold((Integer) threshHold.getSelectedItem() / 100.0); JTextField student1 = new JTextField(15); JTextField student2 = new JTextField(15); KeyListener search = new KeyListener() { @Override public void keyPressed(KeyEvent e) { } @Override public void keyReleased(KeyEvent e) { results.highlightMatching(student1.getText(), student2.getText()); toRevalidate.revalidate(); toRevalidate.repaint(); } @Override public void keyTyped(KeyEvent e) { } }; student1.addKeyListener(search); student2.addKeyListener(search); Collection<MatrixPrinter> printerNameSet = MatrixPrinterRegistry.getInstance() .getSupportedImplementations(); JComboBox<MatrixPrinter> exportAs = new JComboBox<>(new Vector<>(printerNameSet)); JButton exportAsSave = new JButton("Save"); JFileChooser fc = new JFileChooser(); fc.setFileSelectionMode(JFileChooser.FILES_ONLY); fc.setCurrentDirectory(new java.io.File(".")); fc.setDialogTitle("Save results"); exportAsSave.addActionListener(ae -> { MatrixPrinter method = (MatrixPrinter) exportAs.getSelectedItem(); int err = fc.showDialog(toRevalidate, "Save"); if (err == JFileChooser.APPROVE_OPTION) { try { FileUtils.writeStringToFile(fc.getSelectedFile(), method.printMatrix(exportMatrix)); } catch (InternalAlgorithmError | IOException e1) { // TODO log / show error } } }); JPanel thresholdLabel = new JPanel(); JPanel studentSearchLabel = new JPanel(); JPanel fileOutputLabel = new JPanel(); thresholdLabel.setBorder(BorderFactory.createTitledBorder("Matching Threshold")); studentSearchLabel.setBorder(BorderFactory.createTitledBorder("Student Search")); fileOutputLabel.setBorder(BorderFactory.createTitledBorder("Save Results")); thresholdLabel.add(threshHold); studentSearchLabel.add(student1); studentSearchLabel.add(student2); fileOutputLabel.add(exportAs); fileOutputLabel.add(exportAsSave); studentSearchLabel.setPreferredSize(new Dimension(200, 100)); studentSearchLabel.setMinimumSize(new Dimension(200, 100)); thresholdLabel.setPreferredSize(new Dimension(200, 100)); thresholdLabel.setMinimumSize(new Dimension(200, 100)); fileOutputLabel.setPreferredSize(new Dimension(200, 100)); fileOutputLabel.setMinimumSize(new Dimension(200, 100)); sidebar.setMaximumSize(new Dimension(200, 4000)); sidebar.add(thresholdLabel); sidebar.add(studentSearchLabel); sidebar.add(fileOutputLabel); } }