Java tutorial
/* File: Editors.java ; This file is part of Twister. Version: 2.001 Copyright (C) 2012-2013 , Luxoft Authors: Andrei Costachi <acostachi@luxoft.com> Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.WindowConstants; import javax.swing.JComboBox; import javax.swing.GroupLayout; import javax.swing.SwingConstants; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.LayoutStyle; import java.awt.Component; import javax.swing.DefaultComboBoxModel; import com.google.gson.JsonObject; import java.util.Map.Entry; import java.util.Iterator; import java.awt.event.ItemListener; import java.awt.event.ItemEvent; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import com.google.gson.JsonPrimitive; import javax.swing.JFileChooser; import javax.swing.JPanel; import java.awt.Dimension; import javax.swing.JOptionPane; import java.awt.Point; import com.twister.CustomDialog; /* * Editors window */ public class Editors extends JFrame { private JComboBox editorscombo; private JButton remove, add, browse, close; private JCheckBox defaultcheck; private JLabel jLabel1, jLabel2, jLabel3, jLabel4; private JTextField tname, tcommand; public Editors(Point p) { initComponents(p); } /* * editors window initialization */ private void initComponents(Point p) { setLocation(p); setAlwaysOnTop(true); jLabel1 = new JLabel(); editorscombo = new JComboBox(); jLabel2 = new JLabel(); tname = new JTextField(); jLabel3 = new JLabel(); tcommand = new JTextField(); remove = new JButton(); add = new JButton(); close = new JButton("Close"); jLabel4 = new JLabel(); defaultcheck = new JCheckBox(); browse = new JButton(); if (RunnerRepository.getDefaultEditor().equals(getEditors()[0])) defaultcheck.setSelected(true); if (getEditors()[0].equals("Embedded")) { tname.setEnabled(false); remove.setEnabled(false); tcommand.setEnabled(false); browse.setEnabled(false); } close.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ev) { dispose(); } }); add.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ev) { String[] editor = getEditor(); if (editor != null) { RunnerRepository.addEditor(editor); editorscombo.addItem(editor[0]); } } }); remove.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ev) { int index = editorscombo.getSelectedIndex(); RunnerRepository.removeEditor(editorscombo.getSelectedItem().toString()); editorscombo.removeItemAt(index); } }); tname.addKeyListener(new KeyAdapter() { public void keyReleased(KeyEvent ev) { if (!tname.getText().equals(editorscombo.getSelectedItem().toString())) { String name = tname.getText(); int caretpos = tname.getCaretPosition(); int index = editorscombo.getSelectedIndex(); if (defaultcheck.isSelected()) RunnerRepository.setDefaultEditor(name); saveTName(name, editorscombo.getItemAt(index).toString()); editorscombo.removeItemAt(index); editorscombo.insertItemAt(name, index); editorscombo.setSelectedIndex(index); tname.requestFocus(); tname.setCaretPosition(caretpos); } } }); tcommand.addKeyListener(new KeyAdapter() { public void keyReleased(KeyEvent ev) { saveTCommand(tcommand.getText(), editorscombo.getSelectedItem().toString()); } }); defaultcheck.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ev) { if (defaultcheck.isSelected()) RunnerRepository.setDefaultEditor(editorscombo.getSelectedItem().toString()); else RunnerRepository.setDefaultEditor("Embedded"); } }); editorscombo.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent evt) { if (evt.getStateChange() == ItemEvent.SELECTED) { if (evt.getItem().toString().equals("Embedded")) { tname.setEnabled(false); remove.setEnabled(false); tcommand.setEnabled(false); browse.setEnabled(false); } else { tname.setEnabled(true); remove.setEnabled(true); tcommand.setEnabled(true); browse.setEnabled(true); } if (RunnerRepository.getDefaultEditor().equals(evt.getItem().toString())) defaultcheck.setSelected(true); else defaultcheck.setSelected(false); tname.setText(evt.getItem().toString()); tcommand.setText(RunnerRepository.getEditors().get(evt.getItem().toString()).getAsString()); } } }); browse.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evnt) { JFileChooser chooser = new JFileChooser(); chooser.setDialogTitle("Select editor executable path"); if (chooser.showOpenDialog(Editors.this) == JFileChooser.APPROVE_OPTION) { tcommand.setText(chooser.getSelectedFile().getPath()); saveTCommand(tcommand.getText(), editorscombo.getSelectedItem().toString()); } } }); editorscombo.setModel(new DefaultComboBoxModel(getEditors())); editorscombo.setSelectedIndex(0); setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); tname.setText(getEditors()[0]); tcommand.setText(RunnerRepository.getEditors().get(getEditors()[0]).getAsString()); jLabel1.setText("Editors"); jLabel2.setText("Name"); jLabel3.setText("Command"); remove.setText("Remove"); add.setText("Add"); jLabel4.setText("Default:"); browse.setText("..."); GroupLayout layout = new GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING).addGroup(layout .createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING).addGroup(layout .createSequentialGroup() .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING).addComponent(jLabel3) .addComponent(jLabel1).addComponent(jLabel2)) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING).addGroup(layout .createSequentialGroup() .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING) .addComponent(editorscombo, GroupLayout.PREFERRED_SIZE, 92, GroupLayout.PREFERRED_SIZE) .addComponent(tname, GroupLayout.PREFERRED_SIZE, 92, GroupLayout.PREFERRED_SIZE)) .addGap(18, 18, 18).addComponent(jLabel4) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(defaultcheck)) .addGroup(layout.createSequentialGroup() .addComponent(tcommand, GroupLayout.DEFAULT_SIZE, 181, Short.MAX_VALUE) .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED) .addComponent(browse))) .addContainerGap()) .addGroup(layout.createSequentialGroup().addGap(0, 0, Short.MAX_VALUE).addComponent(add) .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED).addComponent(remove) .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED).addComponent(close) .addGap(10, 10, 10))))); layout.linkSize(SwingConstants.HORIZONTAL, new Component[] { remove, add, close }); layout.setVerticalGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(GroupLayout.Alignment.CENTER).addComponent(jLabel1) .addComponent(editorscombo, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(GroupLayout.Alignment.CENTER) .addComponent(tname, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(jLabel2).addComponent(jLabel4).addComponent(defaultcheck)) .addGap(18, 18, 18) .addGroup(layout.createParallelGroup(GroupLayout.Alignment.CENTER).addComponent(jLabel3) .addComponent(tcommand, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(browse)) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE).addComponent(add) .addComponent(remove).addComponent(close)) .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))); pack(); } /* * redefine editor path */ public void saveTCommand(String command, String element) { RunnerRepository.addEditor(new String[] { element, command }); } /* * change editor name * name - new name * element - the name to be removed */ public void saveTName(String name, String element) { RunnerRepository.addEditor(new String[] { name, RunnerRepository.getEditors().get(element).getAsString() }); RunnerRepository.removeEditor(element); } /* * define a new editor * returns name and path of * the new editor */ public String[] getEditor() { JPanel p = new JPanel(); p.setPreferredSize(new Dimension(375, 70)); p.setMaximumSize(new Dimension(375, 70)); p.setLayout(null); JLabel name = new JLabel("Name:"); name.setBounds(5, 10, 60, 25); p.add(name); JTextField tname = new JTextField(); tname.setBounds(65, 10, 100, 25); p.add(tname); JLabel path = new JLabel("Path:"); path.setBounds(5, 35, 60, 25); p.add(path); final JTextField tpath = new JTextField(); tpath.setBounds(65, 35, 250, 25); p.add(tpath); JButton browse = new JButton("..."); browse.setBounds(320, 35, 50, 25); browse.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evnt) { JFileChooser chooser = new JFileChooser(); chooser.setDialogTitle("Select editor executable path"); if (chooser.showOpenDialog(Editors.this) == JFileChooser.APPROVE_OPTION) { tpath.setText(chooser.getSelectedFile().getPath()); } } }); p.add(browse); Object[] message = new Object[] { p }; int r = (Integer) CustomDialog.showDialog(p, JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION, Editors.this, "Editor", null); if (r == JOptionPane.OK_OPTION && tname.getText().length() > 0 && tpath.getText().length() > 0) { System.out.println(tname.getText() + " - " + tpath.getText()); return new String[] { tname.getText(), tpath.getText() }; } else return null; } /* * get editors from * RunnerRepository as an array */ public String[] getEditors() { String[] vecresult; JsonObject editors = RunnerRepository.getEditors(); int length = editors.entrySet().size(); if (editors.get("DEFAULT") != null) vecresult = new String[length - 1]; else vecresult = new String[length]; int index = 0; Entry entry; Iterator iter = editors.entrySet().iterator(); for (int i = 0; i < length; i++) { entry = (Entry) iter.next(); if (entry.getKey().toString().equals("DEFAULT")) continue; vecresult[index] = entry.getKey().toString(); index++; } return vecresult; } }