/jEdit/tags/jedit-4-3-pre5/org/gjt/sp/jedit/gui/TipOfTheDay.java
Java | 166 lines | 105 code | 27 blank | 34 comment | 14 complexity | 9cb866d963bf9e5d57fca906de78453b MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * TipOfTheDay.java - Tip of the day window
- * :tabSize=8:indentSize=8:noTabs=false:
- * :folding=explicit:collapseFolds=1:
- *
- * Copyright (C) 2000, 2001, 2002 Slava Pestov
- *
- * 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- package org.gjt.sp.jedit.gui;
- //{{{ Imports
- import javax.swing.border.EmptyBorder;
- import javax.swing.*;
- import java.awt.event.*;
- import java.awt.*;
- import java.io.*;
- import java.util.Random;
- import org.gjt.sp.jedit.*;
- import org.gjt.sp.util.Log;
- //}}}
- public class TipOfTheDay extends EnhancedDialog
- {
- //{{{ TipOfTheDay constructor
- public TipOfTheDay(View view)
- {
- super(view,jEdit.getProperty("tip.title"),false);
- JPanel content = new JPanel(new BorderLayout(12,12));
- content.setBorder(new EmptyBorder(12,12,12,12));
- setContentPane(content);
- JLabel label = new JLabel(jEdit.getProperty("tip.caption"));
- label.setFont(new Font("SansSerif",Font.PLAIN,24));
- label.setForeground(UIManager.getColor("Button.foreground"));
- content.add(BorderLayout.NORTH,label);
- tipText = new JEditorPane();
- tipText.setEditable(false);
- tipText.setContentType("text/html");
- nextTip();
- JScrollPane scroller = new JScrollPane(tipText);
- scroller.setPreferredSize(new Dimension(150,150));
- content.add(BorderLayout.CENTER,scroller);
- ActionHandler actionHandler = new ActionHandler();
- Box buttons = new Box(BoxLayout.X_AXIS);
- showNextTime = new JCheckBox(jEdit.getProperty("tip.show-next-time"),
- jEdit.getBooleanProperty("tip.show"));
- showNextTime.addActionListener(actionHandler);
- buttons.add(showNextTime);
- buttons.add(Box.createHorizontalStrut(6));
- buttons.add(Box.createGlue());
- nextTip = new JButton(jEdit.getProperty("tip.next-tip"));
- nextTip.addActionListener(actionHandler);
- buttons.add(nextTip);
- buttons.add(Box.createHorizontalStrut(6));
- close = new JButton(jEdit.getProperty("common.close"));
- close.addActionListener(actionHandler);
- buttons.add(close);
- content.getRootPane().setDefaultButton(close);
- Dimension dim = nextTip.getPreferredSize();
- dim.width = Math.max(dim.width,close.getPreferredSize().width);
- nextTip.setPreferredSize(dim);
- close.setPreferredSize(dim);
- content.add(BorderLayout.SOUTH,buttons);
- setDefaultCloseOperation(DISPOSE_ON_CLOSE);
- pack();
- setLocationRelativeTo(view);
- setVisible(true);
- } //}}}
- //{{{ ok() method
- public void ok()
- {
- dispose();
- } //}}}
- //{{{ cancel() method
- public void cancel()
- {
- dispose();
- } //}}}
- //{{{ Private members
- //{{{ Instance variables
- private JCheckBox showNextTime;
- private JButton nextTip, close;
- private JEditorPane tipText;
- private int currentTip = -1;
- //}}}
- //{{{ nextTip() method
- private void nextTip()
- {
- File[] tips = new File(MiscUtilities.constructPath(
- jEdit.getJEditHome(),"doc","tips")).listFiles();
- if(tips == null || tips.length == 0)
- {
- tipText.setText(jEdit.getProperty("tip.not-found"));
- return;
- }
- int count = tips.length;
- // so that we don't see the same tip again if the user
- // clicks 'Next Tip'
- int tipToShow = currentTip;
- while(tipToShow == currentTip || !tips[tipToShow].getName().endsWith(".html"))
- tipToShow = Math.abs(new Random().nextInt()) % count;
- try
- {
- tipText.setPage(tips[tipToShow].toURL());
- }
- catch(Exception e)
- {
- Log.log(Log.ERROR,this,e);
- }
- } //}}}
- //}}}
- //{{{ ActionHandler class
- class ActionHandler implements ActionListener
- {
- public void actionPerformed(ActionEvent evt)
- {
- Object source = evt.getSource();
- if(source == showNextTime)
- {
- jEdit.setBooleanProperty("tip.show",showNextTime
- .isSelected());
- }
- else if(source == nextTip)
- nextTip();
- else if(source == close)
- dispose();
- }
- } //}}}
- }