我想设置一个CellList,以便单击一行将切换选择。这样一来,无需按住ctrl键就可以选择多行。
我需要进行哪些更改才能使其正常运行?
class ToggleEventTranslator<T> implements DefaultSelectionEventManager.EventTranslator<T> {
@Override
public boolean clearCurrentSelection(final CellPreviewEvent<T> event) {
return false;
}
@Override
public SelectAction translateSelectionEvent(final CellPreviewEvent<T> event) {
return SelectAction.TOGGLE;
}
}
MultiSelectionModel<ObjProxy> multiSelectionModel = new MultiSelectionModel<ObjProxy>();
ocjCellList.setSelectionModel(multiSelectionModel, DefaultSelectionEventManager
.<ObjProxy> createCustomManager(new ToggleEventTranslator<ObjProxy>()));
最佳答案
list.addCellPreviewHandler(new Handler<T>() {
@Override
public void onCellPreview(final CellPreviewEvent<T> event) {
if (BrowserEvents.CLICK.equals(event.getNativeEvent().getType())) {
final T value = event.getValue();
final Boolean state = !event.getDisplay().getSelectionModel().isSelected(value);
event.getDisplay().getSelectionModel().setSelected(value, state);
event.setCanceled(true);
}
}
});
private final MultiSelectionModel<T> selectModel = new MultiSelectionModel<T>();
final Handler<T> selectionEventManager = DefaultSelectionEventManager.createCheckboxManager();
list.setSelectionModel(selectModel, selectionEventManager);
关于GWT CellList单击以切换选择(多选),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/7903807/