public void onModuleLoad() {
History.addValueChangeHandler(
new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
final String token = event.getValue();
handleHistoryChange(token);
}
});
taskListsPage = new Page("Task Lists");
tasksPage = new Page("Tasks");
_taskService.getLogoutUrl(
"/",
new AsyncCallback<String>() {
@Override
public void onFailure(Throwable caught) {
// do nothing
}
@Override
public void onSuccess(String result) {
RootPanel navigation = RootPanel.get("navigation");
Anchor logoutLink = new Anchor("Logout", result);
navigation.add(logoutLink);
}
});
taskListsPage.addCreateItemHandler(
new CreateItemHandler() {
@Override
public void onItemCreated(CreateItemEvent event) {
AsyncCallback<TaskList> callback =
new AsyncCallback<TaskList>() {
@Override
public void onFailure(final Throwable caught) {
Window.alert("creating task list failed: " + caught.getLocalizedMessage());
}
@Override
public void onSuccess(final TaskList taskList) {
final PageItem item =
new PageItem(
taskList.getName(),
HistoryTokens.LIST + HistoryTokens.SEP + taskList.getId());
item.setDeleteCommand(
new Command() {
@Override
public void execute() {
_taskService.deleteTaskList(
taskList.getId(),
new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
// TODO inform user
}
@Override
public void onSuccess(Void result) {
taskListsPage.remove(item);
}
});
}
});
taskListsPage.add(item);
}
};
_taskService.createTaskList(event.getItemName(), callback);
}
});
tasksPage.addCreateItemHandler(
new CreateItemHandler() {
@Override
public void onItemCreated(CreateItemEvent event) {
AsyncCallback<Task> callback =
new AsyncCallback<Task>() {
@Override
public void onFailure(final Throwable caught) {
Window.alert("creating task failed: " + caught.getLocalizedMessage());
}
@Override
public void onSuccess(final Task task) {
final PageItem item =
new PageItem(
task.getName(), HistoryTokens.TASK + HistoryTokens.SEP + task.getId());
item.setDeleteCommand(
new Command() {
@Override
public void execute() {
_taskService.deleteTask(
task.getId(),
new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
GWT.log("remove failed");
// TODO inform user
}
@Override
public void onSuccess(Void result) {
tasksPage.remove(item);
}
});
}
});
tasksPage.add(item);
}
};
_taskService.createTask(event.getItemName(), _currentTaskListKey, callback);
}
});
mainPanel.add(new Label("Loading..."));
mainPanel.add(taskListsPage);
mainPanel.add(tasksPage);
RootPanel.get("application").add(mainPanel);
mainPanel.showWidget(0);
handleInitialHistoryToken();
}
private void handleHistoryChange(final String token) {
final String[] parts = token.split("/", 2);
if ((token == null) || (token.length() == 0)) {
History.newItem(HistoryTokens.ALL_LISTS);
} else if (token.equals(HistoryTokens.ALL_LISTS)) {
taskListsPage.clear();
_taskService.getTaskLists(
new AsyncCallback<List<TaskList>>() {
@Override
public void onFailure(Throwable caught) {
// TODO Auto-generated method stub
}
@Override
public void onSuccess(List<TaskList> result) {
for (final TaskList taskList : result) {
final PageItem item =
new PageItem(
taskList.getName(),
HistoryTokens.LIST + HistoryTokens.SEP + taskList.getId());
item.setDeleteCommand(
new Command() {
@Override
public void execute() {
_taskService.deleteTaskList(
taskList.getId(),
new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
// TODO inform user
}
@Override
public void onSuccess(Void result) {
taskListsPage.remove(item);
}
});
}
});
taskListsPage.add(item);
}
mainPanel.showWidget(1);
}
});
} else if (parts[0].equals(HistoryTokens.LIST)) {
_taskService.getTaskList(
parts[1],
new AsyncCallback<ListOfTasks>() {
@Override
public void onFailure(Throwable caught) {
Window.alert(caught.getLocalizedMessage());
}
@Override
public void onSuccess(ListOfTasks result) {
_currentTaskListKey = parts[1];
tasksPage.clear();
for (final Task task : result.getTasks()) {
final PageItem item =
new PageItem(
task.getName(), HistoryTokens.TASK + HistoryTokens.SEP + task.getId());
item.setDeleteCommand(
new Command() {
@Override
public void execute() {
_taskService.deleteTask(
task.getId(),
new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
// TODO inform user
}
@Override
public void onSuccess(Void result) {
tasksPage.remove(item);
}
});
}
});
final Image icon = new Image();
if (task.getCompleted()) {
icon.setResource(IconBundle.INSTANCE.checkMark());
item.addStyleName("complete");
} else {
icon.setResource(IconBundle.INSTANCE.checkBox());
item.removeStyleName("complete");
}
icon.addClickHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
_taskService.switchComplete(
task.getId(),
new AsyncCallback<Task>() {
@Override
public void onFailure(Throwable caught) {
// TODO inform user
}
@Override
public void onSuccess(Task result) {
if (result.getCompleted()) {
icon.setResource(IconBundle.INSTANCE.checkMark());
item.addStyleName("complete");
} else {
icon.setResource(IconBundle.INSTANCE.checkBox());
item.removeStyleName("complete");
}
}
});
}
});
item.addAction(icon);
tasksPage.add(item);
}
tasksPage.setTitle(result.getListName());
mainPanel.showWidget(2);
}
});
}
}