private void handleException(Exception e) {
Alert a = new Alert("Exception", e.toString(), null, null);
a.setTimeout(Alert.FOREVER);
// Throw with a proper JR alert. Crash for now until someone fixes this.
// mDisplay.setCurrent(a, mMainForm);
throw new RuntimeException(
"Snapper MIDLlet exception needs to be displayed as an alert, but fixed to use j2me properly");
}
int getLineLength(int y) {
try {
return ((StringBuffer) vectorLines.elementAt(y)).length();
} catch (Exception ex) {
System.out.println(ex.toString() + " in getLineLength()");
return 0;
}
}
StringBuffer getLine(int y) {
try {
return (StringBuffer) vectorLines.elementAt(y);
} catch (Exception ex) {
System.out.println(ex.toString() + " in getLine()");
return new StringBuffer("");
}
}
boolean addNewLine(int y) {
try {
vectorLines.insertElementAt(new StringBuffer(""), y);
return true;
} catch (Exception ex) {
System.out.println(ex.toString());
return false;
}
}
boolean removeLine(int y) {
try {
vectorLines.removeElementAt(y);
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in removeLine()");
return false;
}
}
boolean setLine(int y, StringBuffer stringBuffer) {
try {
vectorLines.setElementAt(stringBuffer, y);
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in setLine()");
return false;
}
}
boolean copyLine(int sourceY, int destinationY) {
try {
// getLine
StringBuffer currentLine = (StringBuffer) vectorLines.elementAt(sourceY);
// setLine
vectorLines.setElementAt(currentLine, destinationY);
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in copyLine()");
return false;
}
}
boolean removeFromLine(int xFrom, int xTo, int y) {
try {
// getLine
StringBuffer currentLine = (StringBuffer) vectorLines.elementAt(y);
currentLine.delete(xFrom, xTo);
// setLine
vectorLines.setElementAt(currentLine, y);
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in removeFromLine()");
return false;
}
}
boolean updateToLine(int x, int y, char ch) {
try {
// getLine
StringBuffer currentLine = (StringBuffer) vectorLines.elementAt(y);
currentLine.setCharAt(x - 1, ch);
// setLine
vectorLines.setElementAt(currentLine, y);
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in updateToLine()");
return false;
}
}
/** Save the URL setting the user entered in to the urlTextBox. */
private void saveURLSetting() {
String temp;
Exception ex;
temp = urlTextBox.getString();
ex = GraphicalInstaller.saveSettings(temp, MIDletSuite.INTERNAL_SUITE_ID);
if (ex != null) {
displayException(Resource.getString(ResourceConstants.EXCEPTION), ex.toString());
return;
}
defaultInstallListUrl = temp;
displaySuccessMessage(Resource.getString(ResourceConstants.AMS_MGR_SAVED));
}
boolean shiftDown(int y) {
try {
addNewLine(getLinesCount() + 1 - 1);
// tricky! -1 because of beginning from 0, -1 because next line, -1 because getLinesCount() is
// already updated (+1)
for (int sourceY = getLinesCount() - 2; sourceY >= y; sourceY--) // -1
{
copyLine(sourceY, sourceY + 1);
}
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in shiftDown()");
return false;
}
}
/** Ask the user for the URL. */
private void getUrl() {
try {
if (urlTextBox == null) {
urlTextBox =
new TextBox(
Resource.getString(ResourceConstants.AMS_DISC_APP_WEBSITE_INSTALL),
defaultInstallListUrl,
1024,
TextField.ANY);
urlTextBox.addCommand(endCmd);
urlTextBox.addCommand(saveCmd);
urlTextBox.addCommand(discoverCmd);
urlTextBox.setCommandListener(this);
}
display.setCurrent(urlTextBox);
} catch (Exception ex) {
displayException(Resource.getString(ResourceConstants.EXCEPTION), ex.toString());
}
}
boolean addToLine(int x, int y, char ch) {
try {
// getLine
StringBuffer currentLine = (StringBuffer) vectorLines.elementAt(y);
currentLine.insert(x, ch);
if (vectorLines.size() < y) {
vectorLines.addElement(currentLine);
} else {
// setLine
vectorLines.setElementAt(currentLine, y);
}
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in addToLine()");
return false;
}
}
/**
* Install a suite.
*
* @param selectedSuite index into the installList
*/
private void installSuite(int selectedSuite) {
MIDletStateHandler midletStateHandler = MIDletStateHandler.getMidletStateHandler();
MIDletSuite midletSuite = midletStateHandler.getMIDletSuite();
SuiteDownloadInfo suite;
String displayName;
suite = (SuiteDownloadInfo) installList.elementAt(selectedSuite);
midletSuite.setTempProperty(null, "arg-0", "I");
midletSuite.setTempProperty(null, "arg-1", suite.url);
midletSuite.setTempProperty(null, "arg-2", suite.label);
displayName = Resource.getString(ResourceConstants.INSTALL_APPLICATION);
try {
midletStateHandler.startMIDlet("com.sun.midp.installer.GraphicalInstaller", displayName);
/*
* Give the create MIDlet notification 1 second to get to
* AMS.
*/
Thread.sleep(1000);
notifyDestroyed();
} catch (Exception ex) {
StringBuffer sb = new StringBuffer();
sb.append(displayName);
sb.append("\n");
sb.append(Resource.getString(ResourceConstants.ERROR));
sb.append(": ");
sb.append(ex.toString());
Alert a =
new Alert(
Resource.getString(ResourceConstants.AMS_CANNOT_START),
sb.toString(),
null,
AlertType.ERROR);
a.setTimeout(Alert.FOREVER);
display.setCurrent(a, urlTextBox);
}
}
boolean divideLine(int x, int y) // fire <=> enter + insert when # pressed
{
try {
// getLine
StringBuffer currentLine = (StringBuffer) vectorLines.elementAt(y);
String newLine = currentLine.toString().substring(x, currentLine.toString().length());
currentLine.delete(x, currentLine.length());
// setLine
vectorLines.setElementAt(currentLine, y);
if (shiftDown(y)) {
vectorLines.setElementAt(new StringBuffer(newLine), y + 1);
}
return true;
} catch (Exception ex) {
System.out.println(ex.toString() + " in divideLine()");
return false;
}
}
