Java tutorial
/* * Copyright 2008 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.jcommerce.gwt.client.panels.goods; import java.util.ArrayList; import java.util.List; import com.extjs.gxt.ui.client.Style.HorizontalAlignment; import com.extjs.gxt.ui.client.data.BasePagingLoader; import com.extjs.gxt.ui.client.event.ButtonEvent; import com.extjs.gxt.ui.client.event.SelectionListener; import com.extjs.gxt.ui.client.store.ListStore; import com.extjs.gxt.ui.client.store.Record; import com.extjs.gxt.ui.client.store.StoreEvent; import com.extjs.gxt.ui.client.store.StoreListener; import com.extjs.gxt.ui.client.widget.ContentPanel; import com.extjs.gxt.ui.client.widget.grid.CheckColumnConfig; import com.extjs.gxt.ui.client.widget.grid.ColumnConfig; import com.extjs.gxt.ui.client.widget.grid.ColumnModel; import com.extjs.gxt.ui.client.widget.grid.EditorGrid; import com.extjs.gxt.ui.client.widget.grid.Grid; import com.extjs.gxt.ui.client.widget.layout.FitLayout; import com.extjs.gxt.ui.client.widget.toolbar.PagingToolBar; import com.google.gwt.event.logical.shared.ResizeEvent; import com.google.gwt.event.logical.shared.ResizeHandler; import com.google.gwt.user.client.Element; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ListBox; import com.jcommerce.gwt.client.ContentWidget; import com.jcommerce.gwt.client.IShopServiceAsync; import com.jcommerce.gwt.client.ModelNames; import com.jcommerce.gwt.client.PageState; import com.jcommerce.gwt.client.iShop; import com.jcommerce.gwt.client.form.BeanObject; import com.jcommerce.gwt.client.model.ICategory; import com.jcommerce.gwt.client.panels.data.ImportPanel.State; import com.jcommerce.gwt.client.resources.Resources; import com.jcommerce.gwt.client.service.DeleteService; import com.jcommerce.gwt.client.service.PagingListService; import com.jcommerce.gwt.client.widgets.ActionCellRenderer; import com.jcommerce.gwt.client.widgets.ColumnPanel; /** * Example file. */ public class CategoryInfo extends ContentWidget { ColumnPanel contentPanel = new ColumnPanel(); ListBox b_list = new ListBox(); Button btnAdd = new Button(""); ListBox lstAction = new ListBox(); Button btnAct = new Button("OK"); PagingToolBar toolBar; // leon to integrate with history-based page navigation mechnism. // State should contain all info needed to render this page. // This is a minimum skeleton, more fields may be added, see leontest.Attribute public static class State extends PageState { public String getPageClassName() { return CategoryInfo.class.getName(); } public String getMenuDisplayName() { return "?"; } } public State getCurState() { if (curState == null) { curState = new State(); } return (State) curState; } public String getDescription() { return "cwBasicTextDescription"; } public String getName() { return "?"; } /** * Initialize this example. */ public CategoryInfo() { add(contentPanel); initJS(this); } public String getButtonText() { return ""; } protected void buttonClicked() { NewCategory.State state = new NewCategory.State(); state.execute(); } protected void onRender(Element parent, int index) { super.onRender(parent, index); BasePagingLoader loader = new PagingListService().getLoader(ModelNames.CATEGORY); loader.load(0, 50); final ListStore<BeanObject> store = new ListStore<BeanObject>(loader); store.addStoreListener(new StoreListener<BeanObject>() { public void storeUpdate(StoreEvent<BeanObject> se) { List<Record> changed = store.getModifiedRecords(); } }); toolBar = new PagingToolBar(50); toolBar.bind(loader); List<ColumnConfig> columns = new ArrayList<ColumnConfig>(); //CheckBoxSelectionModel<BeanObject> sm = new CheckBoxSelectionModel<BeanObject>(); //columns.add(sm.getColumn()); columns.add(new ColumnConfig(ICategory.NAME, "??", 150)); columns.add(new ColumnConfig(ICategory.MEASUREUNIT, "???", 80)); columns.add(new CheckColumnConfig(ICategory.SHOWINNAVIGATOR, "?", 80)); columns.add(new CheckColumnConfig(ICategory.SHOW, "?", 80)); columns.add(new ColumnConfig(ICategory.GRADE, "", 60)); columns.add(new ColumnConfig(ICategory.SORTORDER, "?", 50)); ColumnConfig actcol = new ColumnConfig("Action", "?", 150); columns.add(actcol); ColumnModel cm = new ColumnModel(columns); Grid<BeanObject> grid = new EditorGrid<BeanObject>(store, cm); grid.setLoadMask(true); grid.setBorders(true); //grid.setSelectionModel(sm); // grid.setAutoExpandColumn("forum"); ActionCellRenderer render = new ActionCellRenderer(grid); ActionCellRenderer.ActionInfo act = new ActionCellRenderer.ActionInfo(); act.setText(" "); act.setAction("changeCategory($id)"); render.addAction(act); act = new ActionCellRenderer.ActionInfo(); act.setText(" "); act.setAction("deleteCategory($id)"); act.setTooltip(Resources.constants.GoodsList_action_delete()); render.addAction(act); actcol.setRenderer(render); final ContentPanel panel = new ContentPanel(); panel.setFrame(true); panel.setCollapsible(true); panel.setAnimCollapse(false); panel.setButtonAlign(HorizontalAlignment.CENTER); panel.setIconStyle("icon-table"); panel.setHeading("Paging Grid"); panel.setLayout(new FitLayout()); panel.add(grid); panel.setHeight(500); panel.setWidth("100%"); panel.setBottomComponent(toolBar); // panel.setButtonAlign(HorizontalAlignment.CENTER); // panel.addButton(new com.extjs.gxt.ui.client.widget.button.Button("", new SelectionListener<ButtonEvent>() { // public void componentSelected(ButtonEvent ce) { // NewCategory.State state = new NewCategory.State(); // state.execute(); // } // })); // add(panel); Window.addResizeHandler(new ResizeHandler() { public void onResize(ResizeEvent event) { int w = event.getWidth() - 300; panel.setWidth(w + "px"); } }); } private native void initJS(CategoryInfo me) /*-{ $wnd.changeCategory = function (id) { me.@com.jcommerce.gwt.client.panels.goods.CategoryInfo::modifyCategoryAndRefrsh(Ljava/lang/Long;)(id); }; $wnd.deleteCategory = function (id) { me.@com.jcommerce.gwt.client.panels.goods.CategoryInfo::deleteCategoryAndRefrsh(Ljava/lang/Long;)(id); }; }-*/; private void modifyCategoryAndRefrsh(final Long id) { final IShopServiceAsync service = getService(); service.getBean(ModelNames.CATEGORY, id, new AsyncCallback<BeanObject>() { public synchronized void onSuccess(BeanObject result) { NewCategory.State state = new NewCategory.State(); state.setCategory(result); state.execute(); } public synchronized void onFailure(Throwable caught) { System.out.println("list onFailure(" + caught); } }); } private void deleteCategoryAndRefrsh(final Long id) { new DeleteService().deleteBean(ModelNames.CATEGORY, id, new DeleteService.Listener() { public void onSuccess(Boolean success) { CategoryInfo.State state = new CategoryInfo.State(); state.execute(); } }); } public void refresh() { toolBar.refresh(); } }