Java TreeStore类代码示例

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
public void initUI() {
	TreeStore<TreeModel> store = new TreeStore<TreeModel>();  
	store.add(root, true);  
	
	final Tree tree = new Tree();
		
	TreeBinder<TreeModel> binder = new TreeBinder<TreeModel>(tree, store);
	binder.setDisplayProperty(property);
	
	ContentPanel cp = new ContentPanel();
	cp.setHeaderVisible(false);
	cp.setLayout(new FitLayout());
	cp.add(tree);
	
	add(cp);
	
	layout();
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
public void populateItem(TreeStore<BaseModel> store, BaseModel parent, String tag, Object value) {
	if (value instanceof List) {
		BaseModel list = new BaseModel();
		list.set("name", tag);
		store.add(parent, list, false);
		for (Object o : (List)value) {
			populateItem(store, list, tag, o);
		}
		return;
	}
	if (value instanceof BaseModel) {
		BaseModel child = new BaseModel();
		child.set("name", tag);
		child.set("model", value);
		populateTree(store, parent, child);
	} else {
		BaseModel leaf = new BaseModel();
		leaf.set("name", tag);
		leaf.set("object", value);
		store.add(parent, leaf, false);
	}

}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
/**
 * Builds the tree grid component.
 * 
 * @return The tree grid component.
 */
private TreeGrid<IndicatorElement> buildTreeGrid() {
	// Columns
	IndicatorResources.INSTANCE.css().ensureInjected();
	final List<ColumnConfig> columns = createColumns();
	
	// Store
	final TreeStore<IndicatorElement> store = createTreeStore();
	
	// Grid
	treeGrid = createTreeGrid(store, columns);
	
	treeGrid.setBorders(true);
	treeGrid.getStyle().setNodeCloseIcon(null);
	treeGrid.getStyle().setNodeOpenIcon(null);
	treeGrid.getStyle().setLeafIcon(null);
	treeGrid.setAutoExpandColumn(IndicatorDTO.NAME);
	treeGrid.setTrackMouseOver(false);
	treeGrid.setClicksToEdit(EditorGrid.ClicksToEdit.TWO);
	
	// TODO: Add a SelectionModel
	
	return treeGrid;
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
/**
 * Creates the store of the tree grid.
 * 
 * @return The store of the tree grid.
 */
private TreeStore<IndicatorElement> createTreeStore() {
	final TreeStore<IndicatorElement> store = new TreeStore<IndicatorElement>();
	
	store.setKeyProvider(new ModelKeyProvider<IndicatorElement>() {

		@Override
		public String getKey(IndicatorElement model) {
			final StringBuilder stringBuilder = new StringBuilder();
			
			if (model instanceof IndicatorGroup) {
				stringBuilder.append("group");
			} else {
				stringBuilder.append('i');
			}
			
			stringBuilder.append(model.get(IndicatorDTO.ID));
			return stringBuilder.toString();
		}
	});
	
	return store;
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
private void doLoad() {
	dispatch.execute(new GetIndicators(currentDatabaseId), new CommandResultHandler<IndicatorListResult>() {

		@Override
		protected void onCommandSuccess(IndicatorListResult result) {
			final TreeStore<IndicatorElement> treeStore = view.getStore();
			treeStore.removeAll();

			for (IndicatorGroup group : result.getGroups()) {
				treeStore.add(group, false);
				for (IndicatorDTO indicator : group.getIndicators()) {
					treeStore.add(group, indicator, false);
				}
			}

			if (!result.getUngroupedIndicators().isEmpty()) {
				treeStore.add((List) result.getUngroupedIndicators(), false);
			}

			view.refreshTreeGrid();
		}

	}, new LoadingMask(view.getTreeGrid()));
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
private ContentPanel createGridPanel(String title, AbstractImagePrototype icon) {
	final TreeStore<TreeGridFileModel> store = new TreeStore<TreeGridFileModel>();
	
	final CheckBoxSelectionModel<TreeGridFileModel> selectionModel = createSelectionModel(store);
	
	final TreeGrid<TreeGridFileModel> grid = new TreeGrid<TreeGridFileModel>(store, createColumnModel(selectionModel));
	grid.setSelectionModel(selectionModel);
	grid.addPlugin(selectionModel);
	grid.getView().setForceFit(true);
	
	final ToolBar bottomBar = new ToolBar();
	bottomBar.add(new Status());
	
	final ContentPanel panel = Panels.content(title);
	panel.setIcon(icon);
	panel.setHeight(200);
	panel.add(grid);
	panel.setBottomComponent(bottomBar);
	
	return panel;
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
private CheckBoxSelectionModel<TreeGridFileModel> createSelectionModel(final TreeStore<TreeGridFileModel> store) {
	final CheckBoxSelectionModel<TreeGridFileModel> selectionModel = new CheckBoxSelectionModel<TreeGridFileModel>();
	
	selectionModel.addListener(Events.BeforeSelect, new Listener<SelectionEvent<TreeGridFileModel>>() {

		@Override
		public void handleEvent(SelectionEvent<TreeGridFileModel> be) {
			final TreeGridFileModel model = be.getModel();
			if(model.getChildren() != null) {
				selectionModel.select(store.getChildren(model), true);
			}
		}
	});
	
	return selectionModel;
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
public void populateTree(TreeStore<BaseModel> store, BaseModel parent, BaseModel child) {
	
	if (parent == null) {
		store.add(child, false);
	} else {
		store.add(parent, child, false);
	}
	BaseModel model = child.get("model");
	for (String name : model.getPropertyNames()) {
		Object value = model.get(name);
		populateItem(store, child, name, value);
	}
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
protected void initUI() {		
	setLayout(new FitLayout());
		
	store = new TreeStore<ModelItem>();
	Tree tree = new Tree();
	TreeBinder<ModelItem> binder = new TreeBinder<ModelItem>(tree, store);
	add(tree);
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
/**
 * Creates the tree grid element using the given store and columns.
 * 
 * @param store Tree store to use.
 * @param columns List of columns.
 * @return The tree grid element.
 */
private EditorTreeGrid<IndicatorElement> createTreeGrid(final TreeStore<IndicatorElement> store, final List<ColumnConfig> columns) {
	return new EditorTreeGrid<IndicatorElement>(store, new ColumnModel(columns)) {
		
		@Override
		protected boolean hasChildren(IndicatorElement indicatorElement) {
			return indicatorElement instanceof IndicatorGroup;
		}
	};
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
@Inject
public PivotGridPanel(EventBus eventBus, DispatchAsync dispatcher) {
	this.eventBus = eventBus;
	this.dispatcher = dispatcher;

	setLayout(new FitLayout());

	store = new TreeStore<PivotTableRow>();

	PivotResources.INSTANCE.css().ensureInjected();
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
public PartnerFieldSet(SchemaDTO schema) {

        setHeadingHtml(I18N.CONSTANTS.filterByPartner());

        setLayout(new FitLayout() {
			@Override
			protected void setItemSize(Component item, Size size) {
				// Leaves room for a FieldSet's header.
				size.height = size.height - 30;
				super.setItemSize(item, size);
			}
		});
        setScrollMode(Style.Scroll.AUTO);

        TreeStore<PartnerDTO> store = new TreeStore<PartnerDTO>();
        store.add(schema.getVisiblePartnersList(), false);

        TreePanel<PartnerDTO> tree = new TreePanel<PartnerDTO>(store);
        tree.setCheckable(true);
        tree.setIconProvider(new ModelIconProvider<PartnerDTO>() {
            public AbstractImagePrototype getIcon(PartnerDTO model) {
                return IconImageBundle.ICONS.group();
            }
        });

        add(tree);

        setHeight(250);

    }
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
private void deleteIndicatorGroup(IndicatorGroup selected) {
	final TreeStore<IndicatorElement> treeStore = view.getStore();
	
	List<IndicatorElement> children = treeStore.getChildren(selected);
	treeStore.remove(selected);
	treeStore.getRecord(selected).set("isDeleted", true);
	// we don't delete the indicators, just move them out of the group
	for (IndicatorElement child : children) {
		treeStore.add(child, false);
		treeStore.getRecord(child).set("groupId", null);
	}
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
/**
 * Method executed when a <b>draft</b> project is deleted.
 *
 * @param deletedDraftProject
 *          The deleted <b>draft</b> project.
 */
private void onDraftProjectDeleted(final ProjectDTO deletedDraftProject) {

	final TreeStore<ProjectDTO> store = view.getStore();
	store.clearFilters();

	final Integer projectId = deletedDraftProject.getId();

	// Inspect root elements.
	final List<ProjectDTO> parents = store.getRootItems();
	for (final ProjectDTO parent : parents) {

		final List<ProjectDTO> childrens = parent.getChildrenProjects();

		for (final ProjectDTO child : childrens) {
			// Deletes children if equals to project.
			if (child.getId().equals(projectId) || child.getId().equals(projectId)) {
				store.remove(parent, child);
			}
		}
	}

	// Deletes the parent that corresponds to project.
	if (store.findModel(ProjectDTO.ID, projectId) != null) {
		// Deletes children links.
		store.removeAll(store.findModel(ProjectDTO.ID, projectId));
		store.remove(store.findModel(ProjectDTO.ID, projectId));

	} else {
		// Deletes children links.
		store.removeAll(store.findModel(ProjectDTO.ID, projectId));
		store.remove(store.findModel(ProjectDTO.ID, projectId));
	}

	store.applyFilters(null);

	// Show notification.
	N10N.infoNotif(I18N.CONSTANTS.deleteTestProjectHeader(), I18N.CONSTANTS.deleteTestProjectSucceededDetails());
}
 

import com.extjs.gxt.ui.client.store.TreeStore; //导入依赖的package包/类
private TreeGrid<ModelData> doAssignmentTree(){
	
	    
	    ColumnConfig name = new ColumnConfig("name", "Name", 100);
	    name.setRenderer(new TreeGridCellRenderer<ModelData>());  
	    ColumnConfig hours = new ColumnConfig("hours", "Hours", 80);
	    ColumnConfig inrate = new ColumnConfig("inrate", "Inrate", 80);
	    ColumnConfig exrate = new ColumnConfig("exrate", "Exrate", 80);
	    ColumnModel cm = new ColumnModel(Arrays.asList(name, hours, inrate,exrate));  
	  
	    store = new TreeStore<ModelData>();
	  
	    tree = new TreeGrid<ModelData>(store, cm);  
	    tree.setBorders(true);  
	    tree.setAutoExpandColumn("name");  
	    tree.setTrackMouseOver(false);
	    tree.setLoadMask(true);
	    tree.setWidth(630);
	    tree.setHeight(400);
	    tree.setBorders(true);
	    tree.getView().setEmptyText("no data");
	    tree.setId("myTreeid");
	    tree.getSelectionModel().addListener(Events.SelectionChange,  
		            new Listener<SelectionChangedEvent<ModelData>>() {  
	            public void handleEvent(SelectionChangedEvent<ModelData> be) { 
	      
	            }
	          });  
	
	
	return tree;
}