Java tutorial
package anl.verdi.plot.gui; import java.awt.Color; import java.awt.Font; import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JColorChooser; import javax.swing.JComponent; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.border.TitledBorder; import com.jgoodies.forms.factories.DefaultComponentFactory; import com.jgoodies.forms.factories.FormFactory; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.ColumnSpec; import com.jgoodies.forms.layout.FormLayout; import com.jgoodies.forms.layout.FormSpec; import com.jgoodies.forms.layout.RowSpec; import com.jgoodies.forms.layout.Sizes; import com.l2fprod.common.swing.JFontChooser; /** * @author User #2 */ public class LegendLabelPanel extends JPanel { /** * */ private static final long serialVersionUID = -7581915584019023506L; private Font selectedFont, selectedTickFont; public LegendLabelPanel() { initComponents(); addListeners(); } private void addListeners() { fontBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { selectFont(); } }); colorBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { selectColor(); } }); tickFontBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { selectTickFont(); } }); tickColorBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { selectTickColor(); } }); } private void selectFont() { Font font = JFontChooser.showDialog(this, "Select Font", selectedFont); if (font != null) { initFont(font); } } private void selectColor() { Color color = JColorChooser.showDialog(this, "Select Color", colorFld.getBackground()); if (color != null) { colorFld.setBackground(color); } } private void selectTickFont() { Font font = JFontChooser.showDialog(this, "Select Font", selectedTickFont); if (font != null) { initTickFont(font); } } private void selectTickColor() { Color color = JColorChooser.showDialog(this, "Select Color", tickColorFld.getBackground()); if (color != null) { tickColorFld.setBackground(color); } } public void initLegend(Boolean show) { legendChk.setSelected(show); } public void initLabel(String title, Font font, Color color) { if (title != null) textFld.setText(title); if (color != null) colorFld.setBackground(color); if (font != null) initFont(font); } /** * Disables the tick part of the panel. */ private void disableTicks() { tickChk.setEnabled(false); tickSep.setEnabled(false); tickFontFld.setEnabled(false); tickColorFld.setEnabled(false); tickColorBtn.setEnabled(false); tickFontBtn.setEnabled(false); tickFontLbl.setEnabled(false); tickColorLbl.setEnabled(false); } public void initTicks(Boolean show, Font font, Color color, Integer numOfTickLabels) { if (show == null) { disableTicks(); return; } else if (font == null && color == null) { tickFontFld.setEnabled(false); tickColorFld.setEnabled(false); tickColorBtn.setEnabled(false); tickFontBtn.setEnabled(false); tickFontLbl.setEnabled(false); tickColorLbl.setEnabled(false); } tickChk.setSelected(show); if (color != null) tickColorFld.setBackground(color); if (font != null) initTickFont(font); if (numOfTickLabels != null) numberFld.setText(numOfTickLabels.toString()); } private void initFont(Font font) { selectedFont = font; float size = fontFld.getFont().getSize(); fontFld.setFont(font.deriveFont(size)); String strStyle; if (font.isBold()) { strStyle = font.isItalic() ? "bolditalic" : "bold"; } else { strStyle = font.isItalic() ? "italic" : "plain"; } fontFld.setText(font.getName() + ", " + strStyle + ", " + font.getSize()); } private void initTickFont(Font font) { selectedTickFont = font; float size = tickFontFld.getFont().getSize(); tickFontFld.setFont(font.deriveFont(size)); String strStyle; if (font.isBold()) { strStyle = font.isItalic() ? "bolditalic" : "bold"; } else { strStyle = font.isItalic() ? "italic" : "plain"; } tickFontFld.setText(font.getName() + ", " + strStyle + ", " + font.getSize()); } public boolean isShowLegend() { return legendChk.isSelected(); } public Font getSelectedFont() { return selectedFont; } public Color getSelectedColor() { return colorFld.getBackground(); } public String getText() { return textFld.getText(); } public Integer getNumberOfLabels() { try { return new Integer(numberFld.getText()); } catch (NumberFormatException e) { return null; } } public Font getSelectedTickFont() { return selectedTickFont; } public Color getSelectedTickColor() { return tickColorFld.getBackground(); } public boolean isShowLabels() { return tickChk.isSelected(); } private void initComponents() { // JFormDesigner - Component initialization - DO NOT MODIFY //GEN-BEGIN:initComponents // Generated using JFormDesigner non-commercial license DefaultComponentFactory compFactory = DefaultComponentFactory.getInstance(); legendChk = new JCheckBox(); separator1 = compFactory.createSeparator("Label"); label1 = new JLabel(); textFld = new JTextField(); label2 = new JLabel(); fontFld = new JTextField(); fontBtn = new JButton(); label3 = new JLabel(); colorFld = new JTextField(); colorBtn = new JButton(); tickSep = compFactory.createSeparator("Ticks"); tickChk = new JCheckBox(); number = new JLabel(); numberFld = new JTextField(); tickFontLbl = new JLabel(); tickFontFld = new JTextField(); tickFontBtn = new JButton(); tickColorLbl = new JLabel(); tickColorFld = new JTextField(); tickColorBtn = new JButton(); CellConstraints cc = new CellConstraints(); //======== this ======== setBorder(new TitledBorder("Title")); // 2014 ColumnSpec aColumnSpec = new ColumnSpec(ColumnSpec.FILL, Sizes.DEFAULT, FormSpec.DEFAULT_GROW); setLayout(new FormLayout( new ColumnSpec[] { FormFactory.RELATED_GAP_COLSPEC, FormFactory.LABEL_COMPONENT_GAP_COLSPEC, FormFactory.DEFAULT_COLSPEC, FormFactory.LABEL_COMPONENT_GAP_COLSPEC, aColumnSpec, FormFactory.LABEL_COMPONENT_GAP_COLSPEC, FormFactory.DEFAULT_COLSPEC }, new RowSpec[] { FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC, FormFactory.LINE_GAP_ROWSPEC, FormFactory.DEFAULT_ROWSPEC })); // setLayout(new FormLayout( // new ColumnSpec[]{ // FormFactory.RELATED_GAP_COLSPEC, // FormFactory.LABEL_COMPONENT_GAP_COLSPEC, // FormFactory.DEFAULT_COLSPEC, // FormFactory.LABEL_COMPONENT_GAP_COLSPEC, // new ColumnSpec(ColumnSpec.FILL, Sizes.DEFAULT, FormSpec.DEFAULT_GROW), // FormFactory.LABEL_COMPONENT_GAP_COLSPEC, // FormFactory.DEFAULT_COLSPEC // }, // new RowSpec[]{ // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC, // FormFactory.LINE_GAP_ROWSPEC, // FormFactory.DEFAULT_ROWSPEC // })); //---- legendChk ---- legendChk.setText("Show Legend"); add(legendChk, cc.xywh(1, 1, 7, 1)); add(separator1, cc.xywh(1, 3, 7, 1)); //---- label1 ---- label1.setText("Text:"); add(label1, cc.xy(3, 5)); add(textFld, cc.xy(5, 5)); //---- label2 ---- label2.setText("Font:"); add(label2, cc.xy(3, 7)); //---- fontFld ---- fontFld.setEditable(false); add(fontFld, cc.xy(5, 7)); //---- fontBtn ---- fontBtn.setText("Select"); add(fontBtn, cc.xy(7, 7)); //---- label3 ---- label3.setText("Color:"); add(label3, cc.xy(3, 9)); //---- colorFld ---- colorFld.setBackground(Color.black); colorFld.setEditable(false); add(colorFld, new CellConstraints(5, 9, 1, 1, CellConstraints.DEFAULT, CellConstraints.DEFAULT, new Insets(4, 0, 4, 0))); //---- colorBtn ---- colorBtn.setText("Select"); add(colorBtn, cc.xy(7, 9)); add(tickSep, cc.xywh(1, 11, 7, 1)); //---- tickChk ---- tickChk.setText("Show Tick Labels"); add(tickChk, cc.xywh(3, 13, 3, 1)); //---- number ---- number.setText("Number:"); add(number, cc.xy(3, 15)); add(numberFld, cc.xy(5, 15)); //---- tickFontLbl ---- tickFontLbl.setText("Font:"); add(tickFontLbl, cc.xy(3, 17)); //---- tickFontFld ---- tickFontFld.setEditable(false); add(tickFontFld, cc.xy(5, 17)); //---- tickFontBtn ---- tickFontBtn.setText("Select"); add(tickFontBtn, cc.xy(7, 17)); //---- tickColorLbl ---- tickColorLbl.setText("Color:"); add(tickColorLbl, cc.xy(3, 19)); //---- tickColorFld ---- tickColorFld.setBackground(Color.black); tickColorFld.setEditable(false); add(tickColorFld, cc.xy(5, 19)); //---- tickColorBtn ---- tickColorBtn.setText("Select"); add(tickColorBtn, cc.xy(7, 19)); // JFormDesigner - End of component initialization //GEN-END:initComponents } // JFormDesigner - Variables declaration - DO NOT MODIFY //GEN-BEGIN:variables // Generated using JFormDesigner non-commercial license private JCheckBox legendChk; private JComponent separator1; private JLabel label1; private JTextField textFld; private JLabel label2; private JTextField fontFld; private JButton fontBtn; private JLabel label3; private JTextField colorFld; private JButton colorBtn; private JComponent tickSep; private JCheckBox tickChk; private JLabel number; private JTextField numberFld; private JLabel tickFontLbl; private JTextField tickFontFld; private JButton tickFontBtn; private JLabel tickColorLbl; private JTextField tickColorFld; private JButton tickColorBtn; // JFormDesigner - End of variables declaration //GEN-END:variables }