/**
* Updates the alarm settings of the RTC.
*
* @param now point of time the next alarm will be searched from, if <code>null</code> the current
* time will be used
*/
public static void updateAlarm(Time now) {
if (now == null) now = new Time();
else now = new Time(now.year, now.month, now.day, now.dow, now.hour, now.minute + 1, 0);
Date wakeup = Date.getNextDate(now);
if (wakeup != null) {
wakeup.time.second = 0; // not used -> to default value
RTC.setAlarm(wakeup.time, RTC.DATED);
} else {
RTC.setAlarm(null, RTC.OFF);
}
}
/**
* Program entry point. Displays the clock an main menu.
*
* @param args (not used)
*/
public static void main(String[] args) {
// lights on!
jcontrol.io.Backlight.setBrightness(jcontrol.io.Backlight.MAX_BRIGHTNESS);
lcd = new Display();
key = new Keyboard();
lcd.setFont(null);
{
String d = Management.getProperty("system.standbytimer");
if (d != null) Management.powerOff(Integer.parseInt(d)); // get power off delay
}
int select = 0;
Clock clk;
for (; ; ) { // main loop
lcd.clearDisplay();
if (RTC.isAlarm()) {
Time wakeup = new Time();
RTC.getAlarm(wakeup);
RTC.resetAlarm();
Date alarmDate = Date.getNextDate(wakeup);
if (alarmDate != null) {
lcd.drawString(time2string(alarmDate.time), 0, 45);
lcd.drawString("$".equals(alarmDate.text) ? "no subject" : alarmDate.text, 0, 56);
updateAlarm(alarmDate.time);
}
clk = new Clock(45, 0, 40, 40, lcd, true); // show the alarm clock
} else {
clk = new Clock(35, 2, 60, 80, lcd, false); // show the normal clock
}
while (clk.isRunning()) {
try {
ThreadExt.sleep(500);
} catch (InterruptedException e) {
clk.stop();
}
if (key.getKey() != 0) clk.stop();
}
if (RTC.isAlarm()) continue; // begin from above...
key:
for (; ; ) { // the menu loop
try {
lcd.drawImage(new Resource("organizer.jcif"), 0, 0); // draw the background image
} catch (java.io.IOException e) {
}
lcd.setFont(null);
select =
MenuSelector.listSelect(
new String[] { // let the user select one of the specified menu items
"display time", "new appointment", "view appointments", "turn off"
},
select,
lcd,
key);
Date date = null;
switch (select) {
case -1:
case 0: // show the current time
select = 0;
break key;
case 2: // adjust appointment
date = listDates(); // show all stored dates and return date to change
if (date == null) break;
case 1: // new appointment
date =
DateInput.getDate(
lcd, key,
date); // get a new date (date==null) or modify an existing (date!=null)
if (date != null) { // if the new date is valid
try {
date.store();
} catch (IOException e) {
}
date = null; // this object may be garbage collected now
updateAlarm(null);
}
break;
case 3: // standby
lcd.clearDisplay();
while (key.getKey() != 0) {}
jcontrol.system.Management.powerOff(-1);
break;
}
}
}
}
/**
* This method will list all date entries found in persistent storage. The user may select one of
* the entries and either change the selected entry or delete it or even quit without any change.
*
* @return Date object chosen or <code>null</code>.
*/
private static Date listDates() {
Date result = null;
Date[] list = new Date[4]; // the entry list (the size will be changed if necessary)
// two items for every tlv entry (date and subject message)
{
int index = 0;
Date current = Date.getNextDate(new Time(2000, 1, 1, 0, 0, 0, 0)); // start searching here
while (current != null) {
if (index >= list.length) { // if list array is too small
Date[] newlist = new Date[list.length + 4];
for (int c = 0; c < list.length; c++) newlist[c] = list[c]; // enlarge the array
list = newlist;
}
list[index++] = current;
// the subject message
Time next = current.time;
current =
Date.getNextDate(
new Time(next.year, next.month, next.day, next.dow, next.hour, next.minute + 1, 0));
}
if (index <= 0) { // if there are no entries, return immediately
return null;
} else {
if (index < list.length) { // trim to size
Date[] newlist = new Date[index];
for (int c = 0; c < index; c++) newlist[c] = list[c];
list = newlist;
}
}
} // all entries were found and set into the list
{ // now, create a choose dialog and wait for user input
lcd.clearRect(1, 20, 126, 43); // clear the main rectangle area
{
String[] image = new String[] {"\u040E\u1F0E\u0400"}; // the up and down arrow image
// create menu items
lcd.drawImage(image, 22, 57, 5, 3, 0, 0); // up
lcd.drawImage(image, 7, 57, 5, 3, 0, 2); // down
lcd.drawString("modify", 35, 55); // change
lcd.drawString("delete", 65, 55); // delete
lcd.drawString("back", 100, 55); // quit
}
lcd.setDrawMode(Display.XOR);
char c = 0;
int shift = 0;
int select = 0;
for (int i = 0;
i < 4;
i++) { // draw four entries on the screen (there isn't enough space for more than four
// :-))
if (i + shift < list.length) {
int pos = lcd.drawString(time2string(list[i + shift].time), 9, 21 + (i << 3)) + 14;
if (!"$".equals(list[i + shift].text))
lcd.drawString(list[i + shift].text, pos, 21 + (i << 3), 116 - pos, 10, 0, 0);
}
}
lcd.fillRect(6, 20, 120, 8); // draw a rectangle around the first entry as it is selected
// select one of the menu items
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
mainloop:
for (; ; ) {
c = key.read(); // wait for keypress
switch (c) {
case 'R': // select the next menu item
case 'U':
case 'u':
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
select++;
select %= 5;
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
break;
case 'L': // select the previous menu item
case 'D':
case 'd':
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
select += 4;
select %= 5;
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
break;
case 'S': // button was pressed -> do something
switch (select) {
case 0: // down
case 1: // up
// scroll around
for (int i = 0; i < 4; i++) {
if (i + shift < list.length) {
int pos =
lcd.drawString(time2string(list[i + shift].time), 9, 21 + (i << 3)) + 14;
if (!"$".equals(list[i + shift].text))
lcd.drawString(list[i + shift].text, pos, 21 + (i << 3), 116 - pos, 10, 0, 0);
}
}
if (select == 1) shift = (shift <= 0 ? 0 : shift - 1);
if (select == 0) shift = (shift >= list.length - 1 ? list.length - 1 : shift + 1);
for (int i = 0; i < 4; i++) {
if (i + shift < list.length) {
int pos =
lcd.drawString(time2string(list[i + shift].time), 9, 21 + (i << 3)) + 14;
if (!"$".equals(list[i + shift].text))
lcd.drawString(list[i + shift].text, pos, 21 + (i << 3), 116 - pos, 10, 0, 0);
}
}
break;
case 2: // change
result = list[shift];
case 3: // delete
try {
list[shift].remove();
updateAlarm(null);
} catch (IOException e) {
}
case 4:
break mainloop; // quit without change
}
break;
}
}
lcd.setDrawMode(Display.NORMAL);
return result;
}
}