private void createGUI() {
getCaption().setText(app.getMenu("Exercise.CreateNew"));
setWidget(mainWidget = new VerticalPanel());
addDomHandlers(mainWidget);
assignmentsTable = new FlexTable();
FlexCellFormatter cellFormatter = assignmentsTable.getFlexCellFormatter();
cellFormatter.setColSpan(0, 1, 2);
assignmentsTable.setWidget(0, 1, new Label(app.getPlain("Tool")));
assignmentsTable.setWidget(0, 2, new Label(app.getPlain("HintForCorrect")));
assignmentsTable.setWidget(0, 3, new Label(app.getPlain("Fraction")));
createAssignmentsTable();
checkAssignmentsTable = new FlexTable();
checkAssignmentsTable.setVisible(false);
mainWidget.add(assignmentsTable);
mainWidget.add(checkAssignmentsTable);
addList = new UnorderedList();
addDomHandlers(addList);
// addIcon = new ListItem();
Image addIcon = new Image(GuiResources.INSTANCE.menu_icon_file_new());
ListItem addListItem = new ListItem();
addListItem.addStyleName("toolbar_item");
addListItem.add(addIcon);
addList.add(addListItem);
userAddModes = new ToolbarSubemuW(app, 1);
userAddModes.addStyleName("toolbar_item");
userAddModes.setVisible(false);
for (int i = 0; i < app.getKernel().getMacroNumber(); i++) {
if (!exercise.usesMacro(i)) {
ListItem item = userAddModes.addItem(i + EuclidianConstants.MACRO_MODE_ID_OFFSET);
addDomHandlers(item);
}
}
addList.add(userAddModes);
mainWidget.add(addList);
mainWidget.add(bottomWidget = new FlowPanel());
bottomWidget.setStyleName("DialogButtonPanel");
btApply = new Button(app.getPlain("OK"));
btApply.addClickHandler(this);
btApply.getElement().getStyle().setMargin(3, Style.Unit.PX);
addCancelButton();
btTest = new Button(app.getPlain("Test"));
btTest.addClickHandler(this);
btTest.getElement().getStyle().setMargin(3, Style.Unit.PX);
bottomWidget.add(btTest);
bottomWidget.add(btApply);
// bottomWidget.add(btCancel);
}
/**
* Adds a user defined tool to the exercise as well as the view
*
* @param macro the user defined tool which should be added to the exercise as well as the view
*/
void addAssignment(Macro macro) {
if (!exercise.usesMacro(macro)) {
Assignment a = exercise.addAssignment(macro);
appendAssignmentRow(a);
}
userAddModes.setVisible(false);
}
/**
* If add symbol is clicked, <br>
* a ToolCreationDialog will be created, if there are no (more) Macros which can be used for the
* Exercise <br>
* or a SubMenu like chooser of the tools which can be used for the Exercise will be shown.
*/
void handleAddClick() {
if (app.getKernel().getMacroNumber() == 0
|| app.getKernel().getMacroNumber() <= exercise.getParts().size()) {
newTool();
} else {
userAddModes.setVisible(true);
}
}
/**
* Handles the remove of an Assignment from the Exercise
*
* @param event the original event to determine which row should be removed from Table
* @param assignment the assignment to remove from the Exercise
*/
void handleAssignmentDeleteClick(ClickEvent event, Assignment assignment) {
ListItem item =
userAddModes.addItem(
app.getKernel().getMacroID(assignment.getTool())
+ EuclidianConstants.MACRO_MODE_ID_OFFSET);
addDomHandlers(item);
exercise.remove(assignment);
assignmentsTable.removeRow(assignmentsTable.getCellForEvent(event).getRowIndex());
}
private void onEnd(DomEvent<?> event) {
Element relativeElement = event.getRelativeElement();
String modeS = relativeElement.getAttribute("mode");
// Element target = event.getNativeEvent().getEventTarget().cast();
if (addList.getElement().isOrHasChild(relativeElement)) {
if (modeS.isEmpty()) {
handleAddClick();
} else {
int mode = Integer.parseInt(modeS);
addAssignment(mode);
relativeElement.removeFromParent();
userAddModes.setVisible(false);
}
event.stopPropagation();
} else {
userAddModes.setVisible(false);
event.stopPropagation();
}
}