Пример #1
0
 @Override
 public void collapse() {
   tree.addListener(
       Events.Collapse,
       new Listener<TreePanelEvent<ModelData>>() {
         @Override
         public void handleEvent(TreePanelEvent<ModelData> be) {
           if (be.getItem() instanceof FolderTreeNode) {
             IMementoSave mementoSave =
                 MementoModuleInjector.MainInjector.getInstance().getMementoSave();
             AbstractMementoOriginalProperties memento =
                 mementoSave.copyOriginalProperties((GPBeanTreeModel) be.getItem());
             ((FolderTreeNode) be.getItem()).setExpanded(Boolean.FALSE);
             mementoSave.putOriginalPropertiesInCache(memento);
           }
         }
       });
 }
  @Override
  public void beforeExpand() {
    tree.addListener(
        Events.BeforeExpand,
        new Listener<TreePanelEvent<ModelData>>() {

          @Override
          public void handleEvent(TreePanelEvent<ModelData> be) {
            if ((be.getItem() instanceof FolderTreeNode)
                && (!((FolderTreeNode) be.getItem()).isLoaded())
                && (((FolderTreeNode) be.getItem()).getId() != null)) {
              final FolderTreeNode parentFolder = (FolderTreeNode) be.getItem();
              parentFolder.setLoading(Boolean.TRUE);
              LayoutManager.getInstance()
                  .getStatusMap()
                  .setBusy(LayerModuleConstants.INSTANCE.statusLoadingTreeElementsText());

              loadFolderElementsRequest.setFolderID(parentFolder.getId());

              ClientCommandDispatcher.getInstance()
                  .execute(
                      new GPClientCommand<LoadFolderElementsResponse>() {

                        private static final long serialVersionUID = 3109256773218160485L;

                        {
                          super.setCommandRequest(loadFolderElementsRequest);
                        }

                        @Override
                        public void onCommandSuccess(LoadFolderElementsResponse response) {
                          treeBuilder.insertElementsOnTree(parentFolder, response.getResult());
                          LayoutManager.getInstance()
                              .getStatusMap()
                              .setStatus(
                                  LayerModuleConstants.INSTANCE
                                      .statusSuccessLoadingTreeElementsText(),
                                  SearchStatus.EnumSearchStatus.STATUS_SEARCH.toString());
                        }

                        @Override
                        public void onCommandFailure(Throwable caught) {
                          if (caught.getCause() instanceof GPSessionTimeout) {
                            GPHandlerManager.fireEvent(
                                new GPLoginEvent(new GPExpandTreeNodeEvent(parentFolder)));
                          } else {
                            parentFolder.setLoading(Boolean.FALSE);
                            GeoPlatformMessage.errorMessage(
                                LayerModuleConstants.INSTANCE.errorLoadingTitleText(),
                                WindowsConstants.INSTANCE.errorMakingConnectionBodyText());
                            LayoutManager.getInstance()
                                .getStatusMap()
                                .setStatus(
                                    LayerModuleConstants.INSTANCE
                                        .statusErrorLoadingTreeElementsText(),
                                    SearchStatus.EnumSearchStatus.STATUS_NO_SEARCH.toString());
                            System.out.println(
                                "Error loading tree elements: "
                                    + caught.toString()
                                    + " data: "
                                    + caught.getMessage());
                          }
                        }
                      });
            }
          }
        });
  }