/*
* PromptMgr.java
*
* Copyright (C) 2007 Irving Bunton
* http://code.google.com/p/mobile-rss-reader/
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
// Expand to define MIDP define
@DMIDPVERS@
// Expand to define test define
@DTESTDEF@
// Expand to define test ui define
@DTESTUIDEF@
// Expand to define logging define
@DLOGDEF@
package com.substanceofcode.rssreader.presentation;
import java.util.Hashtable;
import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Image;
//#ifndef DTESTUI
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.StringItem;
//#else
import com.substanceofcode.testlcdui.Form;
import com.substanceofcode.testlcdui.StringItem;
//#endif
import com.substanceofcode.utils.CauseException;
//#ifdef DLOGGING
import net.sf.jlogmicro.util.logging.Logger;
import net.sf.jlogmicro.util.logging.LogManager;
import net.sf.jlogmicro.util.logging.Level;
//#endif
/* Form with optional commands added with addPromptCommand which if
used, will give prompt message with OK/Cancel.
Due to peculiarities with setCurrent, we do it twice so that it will
work with most phones. Otherwise, it may be ignored for some phones. */
final public class PromptMgr implements CommandListener, Runnable {
private Hashtable promptCommands = new Hashtable();
private Displayable disp;
private Command origCmd = null;
protected RssReaderMIDlet midlet;
private Alert promptAlert = null;
//#ifdef DLOGGING
private Logger logger = Logger.getLogger("PromptMgr");
private boolean fineLoggable = false;
private boolean finestLoggable = false;
//#endif
private CommandListener cmdListener;
public PromptMgr (RssReaderMIDlet midlet, Displayable disp) {
this.midlet = midlet;
this.disp = disp;
//#ifdef DLOGGING
fineLoggable = logger.isLoggable(Level.FINE);
logger.fine("obj,fineLoggable=" + this + "," + fineLoggable);
finestLoggable = logger.isLoggable(Level.FINEST);
logger.finest("obj,finestLoggable=" + this + "," + finestLoggable);
//#endif
}
final public void setCommandListener(CommandListener cmdListener) {
this.cmdListener = cmdListener;
}
final public void addPromptCommand(Command cmd, String prompt) {
promptCommands.put(cmd, prompt);
}
final public void removeCommand(Command cmd) {
promptCommands.remove(cmd);
}
/* Create prompt alert. */
public void run() {
// Due to a quirk on T637 (MIDP 1.0), we need to create a form
// before the alert or the alert will not be seen.
Form formAlert = new Form(origCmd.getLabel());
Image question = UiUtil.getImage("/icons/questionMk.png");
formAlert.append(question);
int ix = formAlert.append(new StringItem(null,
(String)promptCommands.get(origCmd)));
Command okCmd = UiUtil.getCmdRsc("cmd.ok", Command.OK, 1);
formAlert.addCommand(okCmd);
Command cancelCmd = UiUtil.getCmdRsc("cmd.cancel", Command.CANCEL, 2);
formAlert.addCommand(cancelCmd);
promptAlert = new Alert(origCmd.getLabel(),
((StringItem)formAlert.get(ix)).getText(), question,
AlertType.CONFIRMATION);
promptAlert.setTimeout(Alert.FOREVER);
promptAlert.addCommand(okCmd);
promptAlert.addCommand(cancelCmd);
promptAlert.setCommandListener(this);
midlet.setCurrent(promptAlert);
}
/* Prompt if command is in prompt camands. */
public void commandAction(Command cmd, Displayable cdisp) {
try {
//#ifdef DLOGGING
if (finestLoggable) {logger.finest("cmd,containsKey=" + cmd.getLabel() + "," + promptCommands.containsKey(cmd));}
//#endif
if (promptCommands.containsKey(cmd)) {
if ((promptAlert == null) || !cdisp.equals(promptAlert)) {
origCmd = cmd;
}
new Thread(this).start();
return;
} else if (cdisp.equals(disp)) {
midlet.setCurrent(disp);
cmdListener.commandAction(cmd, disp);
} else if ((cmd.getCommandType() == Command.OK)
//#ifdef DMIDP20
|| cmd.equals(Alert.DISMISS_COMMAND)
//#endif
) {
//#ifdef DLOGGING
if (fineLoggable) {
logger.fine("origCmd,type=" + origCmd.getLabel() + "," + origCmd.getCommandType());
}
//#endif
midlet.setCurrent(disp);
cmdListener.commandAction(origCmd, disp);
} else if (cmd.getCommandType() == Command.CANCEL) {
midlet.setCurrent(disp);
return;
}
} catch (Throwable e) {
final CauseException ce = new CauseException(
"Unable to show alert.", e);
//#ifdef DLOGGING
logger.severe(ce.getMessage(), e);
//#endif
/** Error while parsing RSS feed */
System.out.println(e.getClass().getName() + " " + ce.getMessage());
e.printStackTrace();
}
}
}