private static void addButons(final MultiChoice<?> mc) {
final Button buttonShowSelection = new Button(mc.getParent(), SWT.PUSH);
buttonShowSelection.setLayoutData(
new GridData(GridData.BEGINNING, GridData.BEGINNING, false, false));
buttonShowSelection.setText("Show selection");
buttonShowSelection.addSelectionListener(
new SimpleSelectionAdapter() {
@Override
public void handle(final SelectionEvent e) {
final Iterator<?> it = mc.getSelection().iterator();
final StringBuilder sb = new StringBuilder();
while (it.hasNext()) {
sb.append(it.next().toString());
if (it.hasNext()) {
sb.append(", ");
}
}
final MessageBox mb = new MessageBox(mc.getShell(), SWT.OK);
mb.setMessage(sb.toString());
mb.open();
}
});
final Button buttonShowSelectedIndex = new Button(mc.getParent(), SWT.PUSH);
buttonShowSelectedIndex.setLayoutData(
new GridData(GridData.BEGINNING, GridData.BEGINNING, false, false));
buttonShowSelectedIndex.setText("Show selected index");
buttonShowSelectedIndex.addSelectionListener(
new SimpleSelectionAdapter() {
@Override
public void handle(final SelectionEvent e) {
final StringBuilder sb = new StringBuilder();
final int[] selectedIndex = mc.getSelectedIndex();
if (selectedIndex.length > 0) {
sb.append(selectedIndex[0]);
for (int i = 1; i < selectedIndex.length; i++) {
sb.append(",");
sb.append(selectedIndex[i]);
}
} else {
sb.append("Empty");
}
final MessageBox mb = new MessageBox(mc.getShell(), SWT.OK);
mb.setMessage(sb.toString());
mb.open();
}
});
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
* <p>Creates the question and registers it within the database then depending on what the
* user clicks, sends them to the finish quiz page or to create another question
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
Quiz qz = (Quiz) session.getAttribute("newQuiz");
DBConnection dbCon = (DBConnection) session.getAttribute("connection");
int qzID = qz.getID();
Question newQn;
String question = request.getParameter("question");
String answer = request.getParameter("answer");
int type = Integer.parseInt(request.getParameter("type"));
String MC = null;
switch (type) {
case 1:
newQn = new QResponse(question, answer);
newQn.setType(type);
break;
case 2:
newQn = new FillIn(question, answer);
newQn.setType(type);
break;
case 3:
newQn = new MultiChoice(question, answer);
MC = request.getParameter("choices");
((MultiChoice) newQn).addMCOptions(MC);
newQn.setType(type);
break;
case 4:
newQn = new PictureResponse(question, answer);
newQn.setType(type);
break;
default:
newQn = null;
break;
}
newQn.printString();
if (!newQn.equals(null)) qz.addQuestion(newQn);
Question.registerQuestion(qzID, type, question, answer, MC, dbCon);
// send the user on forward through the quiz creation
String action = request.getParameter("action");
if (action.equals("Create & Continue")) {
RequestDispatcher dispatch = request.getRequestDispatcher("chooseQuestionType.jsp");
dispatch.forward(request, response);
} else if (action.equals("Create & Finish Quiz")) {
RequestDispatcher dispatch = request.getRequestDispatcher("finishCreationQuiz.jsp");
dispatch.forward(request, response);
}
}
public static void main(final String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new GridLayout(4, false));
shell.setText("MultiChoice Example");
// Data
final String[] euroZone =
new String[] {
"Austria",
"Belgium",
"Cyprus",
"Estonia",
"Finland",
"France",
"Germany",
"Greece",
"Ireland",
"Italy",
"Luxembourg",
"Malta",
"Netherlands",
"Portugal",
"Slovakia",
"Slovenia",
"Spain"
};
final List<Country> membersOfEuropeanUnion = new ArrayList<Country>();
membersOfEuropeanUnion.add(new Country("Austria", 8372930));
membersOfEuropeanUnion.add(new Country("Belgium", 10827519));
membersOfEuropeanUnion.add(new Country("Bulgaria", 7576751));
membersOfEuropeanUnion.add(new Country("Cyprus", 801851));
membersOfEuropeanUnion.add(new Country("Czech Republic", 10512397));
membersOfEuropeanUnion.add(new Country("Denmark", 5547088));
membersOfEuropeanUnion.add(new Country("Estonia", 1340274));
membersOfEuropeanUnion.add(new Country("Finland", 5530575));
membersOfEuropeanUnion.add(new Country("France", 64709480));
membersOfEuropeanUnion.add(new Country("Germany", 81757595));
membersOfEuropeanUnion.add(new Country("Greece", 11125179));
membersOfEuropeanUnion.add(new Country("Hungary", 10013628));
membersOfEuropeanUnion.add(new Country("Ireland", 4450878));
membersOfEuropeanUnion.add(new Country("Italy", 60397353));
membersOfEuropeanUnion.add(new Country("Latvia", 2248961));
membersOfEuropeanUnion.add(new Country("Lithuania", 3329227));
membersOfEuropeanUnion.add(new Country("Luxembourg", 502207));
membersOfEuropeanUnion.add(new Country("Malta", 416333));
membersOfEuropeanUnion.add(new Country("Netherlands", 16576800));
membersOfEuropeanUnion.add(new Country("Poland", 38163895));
membersOfEuropeanUnion.add(new Country("Portugal", 11317192));
membersOfEuropeanUnion.add(new Country("Romania", 21466174));
membersOfEuropeanUnion.add(new Country("Slovakia", 5424057));
membersOfEuropeanUnion.add(new Country("Slovenia", 2054119));
membersOfEuropeanUnion.add(new Country("Spain", 46087170));
membersOfEuropeanUnion.add(new Country("Sweden", 9347899));
membersOfEuropeanUnion.add(new Country("United Kingdom", 62041708));
final List<Country> membersOfEUSelectAll = new ArrayList<Country>();
membersOfEUSelectAll.addAll(membersOfEuropeanUnion);
membersOfEUSelectAll.add(new Country("Select All", -1));
final List<Country> countryCodes = new ArrayList<Country>();
countryCodes.add(new Country("France", "FR"));
countryCodes.add(new Country("United states", "US"));
countryCodes.add(new Country("United Kingdom", "UK"));
countryCodes.add(new Country("Germany", "DE"));
countryCodes.add(new Country("Belgium", "BE"));
countryCodes.add(new Country("Netherland", "NL"));
countryCodes.add(new Country("Italy", "IT"));
countryCodes.add(new Country("Spain", "ES"));
countryCodes.add(new Country("Portugal", "PT"));
// Draw the window
drawLabel(shell, "Simple Multichoice :");
final MultiChoice<String> mcSimple = new MultiChoice<String>(shell, SWT.READ_ONLY);
final GridData gridData = new GridData(GridData.FILL, GridData.BEGINNING, true, true);
gridData.widthHint = 200;
mcSimple.setLayoutData(gridData);
mcSimple.addAll(euroZone);
addButons(mcSimple);
drawLabel(shell, "Multichoice with beans :");
final MultiChoice<Country> mcBeans = new MultiChoice<Country>(shell, SWT.READ_ONLY);
mcBeans.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, true, true));
mcBeans.addAll(membersOfEuropeanUnion);
addButons(mcBeans);
drawLabel(shell, "Selection listener :");
final MultiChoice<Country> mcSL = new MultiChoice<Country>(shell, SWT.READ_ONLY);
mcSL.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, true, true));
mcSL.setSelectionListener(
new MultiChoiceSelectionListener<Country>(mcSL) {
@Override
public void handle(
final MultiChoice<Country> parent,
final Country receiver,
final boolean selection,
final Shell popup) {
if ("Select All".equals(receiver.toString())) {
if (selection) {
parent.deselectAll();
parent.selectAll();
} else {
parent.deselectAll();
}
popup.setVisible(false);
}
}
});
mcSL.addAll(membersOfEUSelectAll);
addButons(mcSL);
drawLabel(shell, "3 columns :");
final MultiChoice<String> mc3Columns = new MultiChoice<String>(shell, SWT.READ_ONLY);
mc3Columns.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, true, true));
mc3Columns.addAll(euroZone);
mc3Columns.setNumberOfColumns(3);
addButons(mc3Columns);
drawLabel(shell, "Other separator :");
final MultiChoice<String> mcOtherSeparator = new MultiChoice<String>(shell, SWT.READ_ONLY);
mcOtherSeparator.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, true, true));
mcOtherSeparator.addAll(euroZone);
mcOtherSeparator.setSeparator(" - ");
addButons(mcOtherSeparator);
drawLabel(shell, "Modifiable combo :");
final MultiChoice<Country> mcModify = new MultiChoice<Country>(shell, SWT.NONE);
mcModify.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, true, true));
mcModify.setLabelProvider(
new MultiChoiceLabelProvider() {
@Override
public String getText(final Object element) {
if (element == null || !(element instanceof Country)) {
return "";
}
return ((Country) element).getCode();
}
});
mcModify.addAll(countryCodes);
addButons(mcModify);
drawLabel(shell, "Lot of data :");
final List<String> data = new ArrayList<String>();
for (int i = 0; i < 1000; i++) {
data.add("Data #" + i);
}
final MultiChoice<String> mcLotOfData = new MultiChoice<String>(shell, SWT.NONE);
mcLotOfData.setLayoutData(new GridData(GridData.FILL, GridData.BEGINNING, true, true));
mcLotOfData.setLabelProvider(
new MultiChoiceLabelProvider() {
@Override
public String getText(final Object element) {
if (element == null) {
return "";
}
return (String) element;
}
});
mcLotOfData.addAll(data);
addButons(mcLotOfData);
// display the shell...
shell.open();
shell.pack();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
