Java tutorial
/** * Copyright (C) 2001-2015 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.gui.new_plotter.gui.dialog; import com.rapidminer.gui.new_plotter.configuration.AxisParallelLineConfiguration; import com.rapidminer.gui.new_plotter.configuration.LineFormat.LineStyle; import com.rapidminer.gui.new_plotter.configuration.PlotConfiguration; import com.rapidminer.gui.new_plotter.configuration.RangeAxisConfig; import com.rapidminer.gui.new_plotter.engine.jfreechart.JFreeChartPlotEngine; import com.rapidminer.gui.tools.SwingTools; import com.rapidminer.tools.I18N; import java.awt.Color; import java.awt.Dimension; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.geom.Rectangle2D; import java.util.Vector; import javax.swing.ButtonGroup; import javax.swing.DefaultComboBoxModel; import javax.swing.InputVerifier; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JSeparator; import javax.swing.JTextField; import javax.swing.WindowConstants; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.XYPlot; /** * This dialog allows the user to configure the addition of a crosshair line in the new charts. * * @author Marco Boeck * */ public class AddParallelLineDialog extends JDialog { /** the ok {@link JButton} */ private JButton okButton; /** the cancel {@link JButton} */ private JButton cancelButton; /** the {@link JTextField} for the x value */ private JTextField xField; /** the {@link JTextField} for the y value */ private JTextField yField; /** the x value the user specified */ private double x; /** the y value the user specified */ private double y; /** if selected, the line will be horizontal */ private JRadioButton horizontalLineRadiobutton; /** if selected, the line will be vertical */ private JRadioButton verticalLineRadiobutton; /** * the {@link JComboBox} where the {@link RangeAxisConfig} will be selected if horizontal line * is selected */ private JComboBox rangeAxisSelectionCombobox; /** this button modifies the line */ private JButton modifyLineButton; /** the current {@link JFreeChartPlotEngine} */ private JFreeChartPlotEngine engine; /** the current {@link PlotConfiguration} */ private PlotConfiguration plotConfig; /** the position of the mouse, determines preselected x/y values */ private Point mousePosition; /** the {@link EditParallelLineDialog} instance */ private EditParallelLineDialog dialog; /** the current line to add */ private AxisParallelLineConfiguration line; private static final long serialVersionUID = 1932257219370926682L; /** * Creates a new {@link AddParallelLineDialog}. */ public AddParallelLineDialog() { x = 1.0; y = 1.0; setupGUI(); } /** * Setup the GUI. */ private void setupGUI() { JPanel mainPanel = new JPanel(); this.setContentPane(mainPanel); // start layout mainPanel.setLayout(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); gbc.gridx = 0; gbc.gridy = 0; gbc.fill = GridBagConstraints.HORIZONTAL; gbc.weightx = 1; gbc.anchor = GridBagConstraints.WEST; gbc.insets = new Insets(5, 5, 2, 5); horizontalLineRadiobutton = new JRadioButton( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.horizontal.label")); horizontalLineRadiobutton.setToolTipText( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.horizontal.tip")); horizontalLineRadiobutton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { setHorizontalLineSelected(); } }); horizontalLineRadiobutton.setSelected(true); this.add(horizontalLineRadiobutton, gbc); gbc.gridx = 1; gbc.gridy = 0; gbc.anchor = GridBagConstraints.EAST; verticalLineRadiobutton = new JRadioButton( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.vertical.label")); verticalLineRadiobutton .setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.vertical.tip")); verticalLineRadiobutton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { setVerticalLineSelected(); } }); this.add(verticalLineRadiobutton, gbc); ButtonGroup group = new ButtonGroup(); group.add(horizontalLineRadiobutton); group.add(verticalLineRadiobutton); gbc.gridx = 0; gbc.gridy = 1; gbc.fill = GridBagConstraints.BOTH; gbc.weightx = 1; gbc.gridwidth = 2; gbc.anchor = GridBagConstraints.CENTER; rangeAxisSelectionCombobox = new JComboBox(); rangeAxisSelectionCombobox.setToolTipText( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.range_axis_combobox.tip")); rangeAxisSelectionCombobox.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { updateYFieldValue(); } }); this.add(rangeAxisSelectionCombobox, gbc); gbc.gridx = 0; gbc.gridy = 2; gbc.fill = GridBagConstraints.NONE; gbc.weightx = 1; gbc.anchor = GridBagConstraints.WEST; gbc.insets = new Insets(5, 5, 2, 5); JLabel xLabel = new JLabel( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.width.label")); this.add(xLabel, gbc); gbc.gridx = 1; gbc.gridy = 2; gbc.insets = new Insets(2, 5, 2, 5); gbc.fill = GridBagConstraints.HORIZONTAL; xField = new JTextField(); xField.setText(String.valueOf(x)); xField.setInputVerifier(new InputVerifier() { @Override public boolean verify(JComponent input) { return verifyYInput(input); } }); xField.setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.width.tip")); xField.setEnabled(false); this.add(xField, gbc); gbc.gridx = 0; gbc.gridy = 3; gbc.fill = GridBagConstraints.NONE; JLabel yLabel = new JLabel( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.height.label")); this.add(yLabel, gbc); gbc.gridx = 1; gbc.gridy = 3; gbc.fill = GridBagConstraints.HORIZONTAL; yField = new JTextField(); yField.setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.height.tip")); yField.setText(String.valueOf(y)); yField.setInputVerifier(new InputVerifier() { @Override public boolean verify(JComponent input) { return verifyXInput(input); } }); this.add(yField, gbc); gbc.gridx = 0; gbc.gridy = 4; gbc.fill = GridBagConstraints.NONE; gbc.insets = new Insets(10, 5, 0, 5); modifyLineButton = new JButton(); modifyLineButton.setToolTipText( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.modify_line.tip")); modifyLineButton.setIcon(SwingTools.createIcon( "16/" + I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.modify_line.icon"))); modifyLineButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { modifyLine(); } }); this.add(modifyLineButton, gbc); gbc.gridx = 0; gbc.gridy = 5; gbc.gridwidth = 2; gbc.fill = GridBagConstraints.HORIZONTAL; gbc.anchor = GridBagConstraints.CENTER; gbc.insets = new Insets(15, 5, 5, 5); this.add(new JSeparator(), gbc); gbc.gridx = 0; gbc.gridy = 6; gbc.gridwidth = 1; gbc.fill = GridBagConstraints.NONE; gbc.anchor = GridBagConstraints.WEST; gbc.insets = new Insets(5, 5, 5, 5); okButton = new JButton(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.ok.label")); okButton.setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.ok.tip")); okButton.setIcon(SwingTools .createIcon("24/" + I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.ok.icon"))); okButton.setMnemonic( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.ok.mne").toCharArray()[0]); okButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { boolean successful = addSpecifiedLine(); // don't dispose dialog if not successful if (!successful) { return; } AddParallelLineDialog.this.dispose(); } }); okButton.addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { if (e.getKeyCode() == KeyEvent.VK_ENTER) { okButton.doClick(); } } }); this.add(okButton, gbc); gbc.gridx = 1; gbc.gridy = 6; gbc.fill = GridBagConstraints.NONE; gbc.anchor = GridBagConstraints.EAST; cancelButton = new JButton( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.cancel.label")); cancelButton .setToolTipText(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.cancel.tip")); cancelButton.setIcon(SwingTools.createIcon( "24/" + I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.cancel.icon"))); cancelButton.setMnemonic( I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.cancel.mne").toCharArray()[0]); cancelButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // cancel requested, close dialog AddParallelLineDialog.this.dispose(); } }); this.add(cancelButton, gbc); // misc settings this.setMinimumSize(new Dimension(300, 250)); // center dialog this.setLocationRelativeTo(null); this.setTitle(I18N.getMessage(I18N.getGUIBundle(), "gui.action.add_parallel_line.title.label")); this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); this.setModal(true); this.addWindowListener(new WindowAdapter() { @Override public void windowActivated(WindowEvent e) { okButton.requestFocusInWindow(); } }); } /** * Sets the mouse position (defines preselected x/y values). * * @param mousePosition */ public void setMousePosition(Point mousePosition) { if (mousePosition == null) { throw new IllegalArgumentException("mousePosition must not be null!"); } this.mousePosition = mousePosition; } /** * Sets the current {@link JFreeChartPlotEngine} for this dialog. * * @param engine */ public void setChartEngine(JFreeChartPlotEngine engine) { if (engine == null) { throw new IllegalArgumentException("engine must not be null!"); } this.engine = engine; setPlotConfiguration(engine.getPlotInstance().getMasterPlotConfiguration()); } /** * Shows the dialog. */ public void showDialog() { if (line == null) { line = createLine(1.0); } else { line = line.clone(); } if (horizontalLineRadiobutton.isSelected()) { line.setValue(Double.parseDouble(yField.getText())); } else { line.setValue(Double.parseDouble(xField.getText())); } setVisible(true); } /** * Sets the current {@link PlotConfiguration} for this dialog. * * @param plotConfig */ private void setPlotConfiguration(PlotConfiguration plotConfig) { if (plotConfig == null) { throw new IllegalArgumentException("plotConfig must not be null!"); } this.plotConfig = plotConfig; Vector<RangeAxisConfig> rangeConfigsVector = new Vector<RangeAxisConfig>(); String selectedItem = String.valueOf(rangeAxisSelectionCombobox.getSelectedItem()); for (RangeAxisConfig config : this.plotConfig.getRangeAxisConfigs()) { rangeConfigsVector.add(config); } rangeAxisSelectionCombobox.setModel(new DefaultComboBoxModel(rangeConfigsVector)); // reselect the previously selected RangeAxisConfig (if it is still there) if (selectedItem != null) { for (int i = 0; i < rangeAxisSelectionCombobox.getItemCount(); i++) { if (String.valueOf(rangeAxisSelectionCombobox.getItemAt(i)).equals(selectedItem)) { rangeAxisSelectionCombobox.setSelectedIndex(i); break; } } } // calculate preselected x/y values if (mousePosition != null) { Rectangle2D plotArea = engine.getChartPanel().getScreenDataArea(); if (engine.getChartPanel().getChart().getPlot() instanceof XYPlot) { XYPlot plot = (XYPlot) engine.getChartPanel().getChart().getPlot(); // calculate x value double chartX = plot.getDomainAxis().java2DToValue(mousePosition.getX(), plotArea, plot.getDomainAxisEdge()); xField.setText(String.valueOf(chartX)); // calculate y value for (int i = 0; i < plot.getRangeAxisCount(); i++) { ValueAxis config = plot.getRangeAxis(i); if (config != null && config.getLabel() != null) { if (config.getLabel() .equals(String.valueOf(rangeAxisSelectionCombobox.getSelectedItem()))) { double chartY = config.java2DToValue(mousePosition.getY(), plotArea, plot.getRangeAxisEdge()); yField.setText(String.valueOf(chartY)); } } } } } } /** * Horizontal line selected. */ private void setHorizontalLineSelected() { // horizontal line, so only y-value and rangeAxis is of interest, disable other fields rangeAxisSelectionCombobox.setEnabled(true); xField.setEnabled(false); yField.setEnabled(true); okButton.requestFocusInWindow(); } /** * Vertical line selected. */ private void setVerticalLineSelected() { // vertical line, so only x-value is of interest, disable other fields rangeAxisSelectionCombobox.setEnabled(false); xField.setEnabled(true); yField.setEnabled(false); okButton.requestFocusInWindow(); } /** * Updates the preselected y-value. */ private void updateYFieldValue() { // update preselected y value because range axis has been changed if (mousePosition != null) { Rectangle2D plotArea = engine.getChartPanel().getScreenDataArea(); if (engine.getChartPanel().getChart().getPlot() instanceof XYPlot) { XYPlot plot = (XYPlot) engine.getChartPanel().getChart().getPlot(); // calculate y value for (int i = 0; i < plot.getRangeAxisCount(); i++) { ValueAxis config = plot.getRangeAxis(i); if (config != null && config.getLabel() != null) { if (config.getLabel() .equals(String.valueOf(rangeAxisSelectionCombobox.getSelectedItem()))) { double chartY = config.java2DToValue(mousePosition.getY(), plotArea, plot.getRangeAxisEdge()); yField.setText(String.valueOf(chartY)); } } } } } } /** * Verify that the y-value is correct. * * @param input * @return true if the value is valid; false otherwise */ private boolean verifyYInput(JComponent input) { JTextField textField = (JTextField) input; String inputString = textField.getText(); try { Double.parseDouble(inputString); } catch (NumberFormatException e) { textField.setForeground(Color.RED); return false; } textField.setForeground(Color.BLACK); return true; } /** * Verify that the x-value is correct. * * @param input * @return true if the value is valid; false otherwise */ private boolean verifyXInput(JComponent input) { JTextField textField = (JTextField) input; String inputString = textField.getText(); try { Double.parseDouble(inputString); } catch (NumberFormatException e) { textField.setForeground(Color.RED); return false; } textField.setForeground(Color.BLACK); return true; } /** * Creates the specified line. * * @return true if the line has been created; false otherwise */ private boolean addSpecifiedLine() { if (horizontalLineRadiobutton.isSelected()) { Object selectedItem = rangeAxisSelectionCombobox.getSelectedItem(); if (selectedItem != null && selectedItem instanceof RangeAxisConfig) { // make sure y value is valid, otherwise don't do anything! if (!yField.getInputVerifier().verify(yField)) { yField.requestFocusInWindow(); return false; } RangeAxisConfig config = (RangeAxisConfig) selectedItem; if (line == null) { line = createLine(Double.parseDouble(yField.getText())); } line.setValue(Double.parseDouble(yField.getText())); config.getCrossHairLines().addLine(line); } } else if (verticalLineRadiobutton.isSelected()) { // make sure x value is valid, otherwise don't do anything! if (!xField.getInputVerifier().verify(xField)) { xField.requestFocusInWindow(); return false; } if (line == null) { line = createLine(Double.parseDouble(xField.getText())); } line.setValue(Double.parseDouble(xField.getText())); plotConfig.getDomainConfigManager().getCrosshairLines().addLine(line); } return true; } /** * Modifes the line. */ private void modifyLine() { if (line == null) { line = createLine(1.0); } if (dialog == null) { dialog = new EditParallelLineDialog(); } if (horizontalLineRadiobutton.isSelected()) { // make sure y value is valid, otherwise don't do anything! if (!yField.getInputVerifier().verify(yField)) { yField.requestFocusInWindow(); return; } line.setValue(Double.parseDouble(yField.getText())); } else { // make sure x value is valid, otherwise don't do anything! if (!xField.getInputVerifier().verify(xField)) { xField.requestFocusInWindow(); return; } line.setValue(Double.parseDouble(xField.getText())); } dialog.setLine(line, false); dialog.showDialog(); } /** * Creates a new {@link AxisParallelLineConfiguration} with solid {@link LineStyle}. * * @param value * @return */ private AxisParallelLineConfiguration createLine(double value) { AxisParallelLineConfiguration line = new AxisParallelLineConfiguration(value, false); line.getFormat().setStyle(LineStyle.SOLID); return line; } }