Java tutorial
/* Copyright (C) 2003-2011 JabRef contributors. 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package net.sf.jabref; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.util.Collections; import java.util.Vector; import javax.swing.*; import javax.swing.table.AbstractTableModel; import javax.swing.table.TableColumnModel; import javax.swing.table.TableModel; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.layout.FormLayout; /** * Preference Tab for XMP. * * Allows the user to enable and configure the XMP privacy filter. */ class XmpPrefsTab extends JPanel implements PrefsTab { private boolean tableChanged = false; private int rowCount; private final JTable table; private final JCheckBox privacyFilterCheckBox = new JCheckBox( Globals.lang("Do not write the following fields to XMP Metadata:")); private final Vector<Object> tableRows = new Vector<Object>(10); /** * Customization of external program paths. */ public XmpPrefsTab() { setLayout(new BorderLayout()); TableModel tm = new AbstractTableModel() { @Override public int getRowCount() { return rowCount; } @Override public int getColumnCount() { return 1; } @Override public Object getValueAt(int row, int column) { if (row >= tableRows.size()) { return ""; } Object rowContent = tableRows.elementAt(row); if (rowContent == null) { return ""; } return rowContent; } @Override public String getColumnName(int col) { return Globals.lang("Field to filter"); } @Override public Class<?> getColumnClass(int column) { return String.class; } @Override public boolean isCellEditable(int row, int col) { return true; } @Override public void setValueAt(Object value, int row, int col) { tableChanged = true; if (tableRows.size() <= row) { tableRows.setSize(row + 1); } tableRows.setElementAt(value, row); } }; table = new JTable(tm); TableColumnModel cm = table.getColumnModel(); cm.getColumn(0).setPreferredWidth(140); FormLayout layout = new FormLayout("1dlu, 8dlu, left:pref, 4dlu, fill:pref", ""); DefaultFormBuilder builder = new DefaultFormBuilder(layout); JPanel pan = new JPanel(); JPanel tablePanel = new JPanel(); tablePanel.setLayout(new BorderLayout()); JScrollPane scrollPane = new JScrollPane(table, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); table.setPreferredScrollableViewportSize(new Dimension(250, 200)); scrollPane.setMinimumSize(new Dimension(250, 300)); tablePanel.add(scrollPane, BorderLayout.CENTER); JToolBar toolbar = new JToolBar(SwingConstants.VERTICAL); toolbar.setFloatable(false); toolbar.setBorder(null); toolbar.add(new AddRowAction()); toolbar.add(new DeleteRowAction()); tablePanel.add(toolbar, BorderLayout.EAST); // Build Prefs Tabs builder.appendSeparator(Globals.lang("XMP Export Privacy Settings")); builder.nextLine(); builder.append(pan); builder.append(privacyFilterCheckBox); builder.nextLine(); builder.append(pan); builder.append(tablePanel); builder.nextLine(); pan = builder.getPanel(); pan.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); add(pan, BorderLayout.CENTER); } class DeleteRowAction extends AbstractAction { public DeleteRowAction() { super("Delete row", GUIGlobals.getImage("remove")); putValue(Action.SHORT_DESCRIPTION, Globals.lang("Delete rows")); } @Override public void actionPerformed(ActionEvent e) { int[] rows = table.getSelectedRows(); if (rows.length == 0) { return; } for (int i = rows.length - 1; i >= 0; i--) { if (rows[i] < tableRows.size()) { tableRows.remove(rows[i]); } } rowCount -= rows.length; if (rows.length > 1) { table.clearSelection(); } table.revalidate(); table.repaint(); tableChanged = true; } } class AddRowAction extends AbstractAction { public AddRowAction() { super("Add row", GUIGlobals.getImage("add")); putValue(Action.SHORT_DESCRIPTION, Globals.lang("Insert rows")); } @Override public void actionPerformed(ActionEvent e) { int[] rows = table.getSelectedRows(); if (rows.length == 0) { // No rows selected, so we just add one at the end. rowCount++; table.revalidate(); table.repaint(); return; } for (int i = 0; i < rows.length; i++) { if ((rows[i] + i) < tableRows.size()) { tableRows.add(rows[i] + i, ""); } } rowCount += rows.length; if (rows.length > 1) { table.clearSelection(); } table.revalidate(); table.repaint(); tableChanged = true; } } /** * Load settings from the preferences and initialize the table. */ @Override public void setValues() { tableRows.clear(); String[] names = JabRefPreferences.getInstance().getStringArray(JabRefPreferences.XMP_PRIVACY_FILTERS); Collections.addAll(tableRows, names); rowCount = tableRows.size() + 5; privacyFilterCheckBox .setSelected(JabRefPreferences.getInstance().getBoolean(JabRefPreferences.USE_XMP_PRIVACY_FILTER)); } /** * Store changes to table preferences. This method is called when the user * clicks Ok. * */ @Override public void storeSettings() { if (table.isEditing()) { int col = table.getEditingColumn(); int row = table.getEditingRow(); table.getCellEditor(row, col).stopCellEditing(); } // Now we need to make sense of the contents the user has made to the // table setup table. This needs to be done either if changes were made, or // if the checkbox is checked and no field values have been stored previously: if (tableChanged || (privacyFilterCheckBox.isSelected() && !Globals.prefs.hasKey(JabRefPreferences.XMP_PRIVACY_FILTERS))) { // First we remove all rows with empty names. for (int i = tableRows.size() - 1; i >= 0; i--) { if (tableRows.elementAt(i).equals("")) { tableRows.removeElementAt(i); } } // Finally, we store the new preferences. JabRefPreferences.getInstance().putStringArray(JabRefPreferences.XMP_PRIVACY_FILTERS, tableRows.toArray(new String[tableRows.size()])); } JabRefPreferences.getInstance().putBoolean(JabRefPreferences.USE_XMP_PRIVACY_FILTER, privacyFilterCheckBox.isSelected()); } @Override public boolean readyToClose() { return true; } @Override public String getTabName() { return Globals.lang("XMP metadata"); } }