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.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import com.extjs.gxt.ui.client.widget.MessageBox; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.Element; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.CheckBox; import com.google.gwt.user.client.ui.DecoratedTabPanel; import com.google.gwt.user.client.ui.Grid; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.ListBox; import com.google.gwt.user.client.ui.RichTextArea; import com.google.gwt.user.client.ui.TextArea; import com.google.gwt.user.client.ui.TextBox; import com.jcommerce.gwt.client.ContentWidget; import com.jcommerce.gwt.client.ModelNames; import com.jcommerce.gwt.client.Utils; import com.jcommerce.gwt.client.form.BeanObject; import com.jcommerce.gwt.client.model.IBrand; import com.jcommerce.gwt.client.model.ICategory; import com.jcommerce.gwt.client.model.IGoods; import com.jcommerce.gwt.client.model.ILinkGoods; import com.jcommerce.gwt.client.resources.Resources; import com.jcommerce.gwt.client.service.Condition; import com.jcommerce.gwt.client.service.CreateService; import com.jcommerce.gwt.client.service.Criteria; import com.jcommerce.gwt.client.service.ListService; import com.jcommerce.gwt.client.service.ReadService; import com.jcommerce.gwt.client.service.UpdateService; import com.jcommerce.gwt.client.service.WaitService; import com.jcommerce.gwt.client.validator.IntegerChecker; import com.jcommerce.gwt.client.validator.PriceChecker; import com.jcommerce.gwt.client.validator.SpaceChecker; import com.jcommerce.gwt.client.widgets.ColumnPanel; import com.jcommerce.gwt.client.widgets.FileUploader; import com.jcommerce.gwt.client.widgets.MultiValueSelector; import com.jcommerce.gwt.client.widgets.WidgetInfo; import com.jcommerce.gwt.client.widgets.richTextBox.RichTextToolbar; public abstract class NewGoodsBase extends ContentWidget { public static interface Constants { String NewGoods_title(); String NewGoods_create(); String NewGoods_cancel(); String NewGoods_tabGeneral(); String NewGoods_tabDetail(); String NewGoods_tabOther(); String NewGoods_tabProperty(); String NewGoods_tabGallery(); String NewGoods_tabLink(); String NewGoods_tabAccessories(); String NewGoods_tabArticle(); String EditGoods_title(); String NewGoods_recommend(); String NewGoods_promote(); String NewGoods_calculateByMaretPrice(); String NewGoods_onSaleOrNot(); String NewGoods_imageDescription(); String NewGoods_imageFile(); String NewGoods_type(); String NewGoods_tipSN(); String NewGoods_tipGiveIntegral(); String NewGoods_tipRankIntegral(); String NewGoods_tipIntegral(); String NewGoods_editGoods(); String NewGoods_addSuccessfully(); } private ColumnPanel contentPanelGeneral = new ColumnPanel(); private ColumnPanel contentPanelOther = new ColumnPanel(); private AttributePanel attrPanel = new AttributePanel(); private GalleryPanel galleryPanel = null; private RelatedPanel relatedPanel = new RelatedPanel(); private AccessoriesPanel accessoriesPanel = new AccessoriesPanel(); private ArticlesPanel articlesPanel = new ArticlesPanel(); private RichTextArea txtDetail; private ListBox lstBrand = new ListBox(); private ListBox lstCategory = new ListBox(); private Button btnOK = new Button(); private Button btnCancel = new Button(); boolean virtualCard = false; public NewGoodsBase() { } abstract BeanObject getGoods(); protected void onRender(Element parent, int index) { super.onRender(parent, index); System.out.println("onRender " + hashCode() + " " + getCurState().isEditting()); BeanObject goods = getGoods(); boolean editting = getCurState().isEditting(); final String goodsId = goods != null ? goods.getString(IGoods.ID) : null; contentPanelGeneral.createPanel(IGoods.NAME, Resources.constants.Goods_name(), new TextBox(), new SpaceChecker(Resources.constants.Goods_name())); WidgetInfo info = new WidgetInfo(IGoods.SN, Resources.constants.Goods_SN(), new TextBox()); info.setNote("?????"); contentPanelGeneral.createPanel(info); Button btnAddBrand = new Button("?"); btnAddBrand.addClickHandler(new ClickHandler() { public void onClick(ClickEvent arg0) { NewBrand.State state = new NewBrand.State(); state.setBackPage("" + getCurState().getMenuDisplayName(), getCurState()); state.execute(); } }); contentPanelGeneral.createPanel(IGoods.BRAND, Resources.constants.Goods_brand(), lstBrand, btnAddBrand); Button btnAddCat = new Button("?"); btnAddCat.addClickHandler(new ClickHandler() { public void onClick(ClickEvent arg0) { NewCategory.State state = new NewCategory.State(); state.setBackPage("" + getCurState().getMenuDisplayName(), getCurState()); state.execute(); } }); info = new WidgetInfo(IGoods.MAINCATEGORY, Resources.constants.Goods_category(), lstCategory); info.setValidator(new SpaceChecker(Resources.constants.Goods_category())); info.setAppendWidget(btnAddCat); contentPanelGeneral.createPanel(info); MultiValueSelector mselector = new MultiValueSelector(); mselector.setBean(ModelNames.CATEGORY); mselector.setCaption("Select Category"); mselector.setMessage("Select Category"); contentPanelGeneral.createPanel(IGoods.CATEGORIES, Resources.constants.Goods_category_extended(), mselector); contentPanelGeneral.createPanel(IGoods.SHOPPRICE, Resources.constants.Goods_shopPrice(), new TextBox(), new PriceChecker(Resources.constants.Goods_shopPrice(), 0, false)); contentPanelGeneral.createPanel(IGoods.MARKETPRICE, Resources.constants.Goods_marketPrice(), new TextBox(), new PriceChecker(Resources.constants.Goods_marketPrice(), 0, true)); contentPanelGeneral.createPanel(IGoods.GIVEINTEGRAL, Resources.constants.Goods_giveIntegral(), new TextBox()); contentPanelGeneral.createPanel(IGoods.INTEGRAL, Resources.constants.Goods_integral(), new TextBox()); contentPanelGeneral.createPanel(IGoods.PROMOTEPRICE, Resources.constants.Goods_promotePrice(), new TextBox(), new PriceChecker(Resources.constants.Goods_promotePrice(), 0, true)); final FileUploader imageUpload = new FileUploader(); imageUpload.addAllowedTypes(new String[] { ".jpg", ".gif" }); // contentPanelGeneral.createPanel(IGoods.IMAGE, Resources.constants.Goods_image(), imageUpload); final FileUploader thumbUpload = new FileUploader(); thumbUpload.addAllowedTypes(new String[] { ".jpg", ".gif" }); if (editting) { imageUpload.setImageInfo(ModelNames.GOODS, goodsId, IGoods.IMAGE); thumbUpload.setImageInfo(ModelNames.GOODS, goodsId, IGoods.THUMB); } contentPanelGeneral.createPanel(IGoods.IMAGE, Resources.constants.Goods_image(), imageUpload); contentPanelGeneral.createPanel(IGoods.THUMB, Resources.constants.Goods_thumb(), thumbUpload); contentPanelOther.createPanel(IGoods.WEIGHT, Resources.constants.Goods_weight(), new TextBox()); contentPanelOther.createPanel(IGoods.NUMBER, Resources.constants.Goods_number(), new TextBox(), new IntegerChecker(Resources.constants.Goods_number(), 0, true)); contentPanelOther.createPanel(IGoods.WARNNUMBER, Resources.constants.Goods_warnNumber(), new TextBox(), new IntegerChecker(Resources.constants.Goods_number(), 0, true)); contentPanelOther.createPanel(IGoods.HOTSOLD, Resources.constants.Goods_hotsold(), new CheckBox()); contentPanelOther.createPanel(IGoods.NEWADDED, Resources.constants.Goods_newAdded(), new CheckBox()); contentPanelOther.createPanel(IGoods.BESTSOLD, Resources.constants.Goods_bestSold(), new CheckBox()); info = new WidgetInfo(IGoods.ONSALE, Resources.constants.Goods_onSale(), new CheckBox()); info.setNote("????"); contentPanelOther.createPanel(info); info = new WidgetInfo(IGoods.ALONESALE, "?", new CheckBox()); info.setNote("?????"); contentPanelOther.createPanel(info); info = new WidgetInfo(IGoods.KEYWORDS, Resources.constants.Goods_keywords(), new TextBox()); info.setNote(""); info.setAppendNote(true); contentPanelOther.createPanel(info); TextArea area = new TextArea(); area.setSize("600", "150"); contentPanelOther.createPanel(IGoods.BRIEF, Resources.constants.Goods_brief(), area); area = new TextArea(); area.setSize("600", "80"); info = new WidgetInfo(IGoods.SELLERNOTE, Resources.constants.Goods_sellerNote(), area); info.setNote("?"); contentPanelOther.createPanel(info); galleryPanel = new GalleryPanel(editting, goods); HorizontalPanel panel = new HorizontalPanel(); panel.setSpacing(10); btnOK.setText(""); btnCancel.setText("?"); panel.add(btnOK); panel.add(btnCancel); // Create a tab panel DecoratedTabPanel tabPanel = new DecoratedTabPanel(); tabPanel.setWidth("100%"); tabPanel.setAnimationEnabled(true); // Add a home tab tabPanel.add(contentPanelGeneral, Resources.constants.NewGoods_tabGeneral()); // Create the text area and toolbar txtDetail = new RichTextArea(); txtDetail.setSize("100%", "14em"); if (editting) { new ReadService().getBean(ModelNames.GOODS, goodsId, new ReadService.Listener() { public void onSuccess(BeanObject bean) { txtDetail.setHTML(bean.getString(IGoods.DESCRIPTION)); } }); } RichTextToolbar toolbar = new RichTextToolbar(txtDetail); // toolbar.setWidth("100%"); // Add the components to a panel Grid grid = new Grid(2, 1); grid.setStyleName("cw-RichText"); grid.setWidget(0, 0, toolbar); grid.setWidget(1, 0, txtDetail); // Add a detail tab tabPanel.add(grid, Resources.constants.NewGoods_tabDetail()); // Add a other tab tabPanel.add(contentPanelOther, Resources.constants.NewGoods_tabOther()); // Add a Properties tab tabPanel.add(attrPanel, Resources.constants.NewGoods_tabProperty()); // Add a Pictures tab tabPanel.add(galleryPanel, Resources.constants.NewGoods_tabGallery()); // Add a Connet other goods tab // HTML conngoods = new HTML("connect goods"); tabPanel.add(relatedPanel, Resources.constants.NewGoods_tabLink()); // Add a Accessories tab // HTML accessories = new HTML("accessories"); if (!virtualCard) { tabPanel.add(accessoriesPanel, Resources.constants.NewGoods_tabAccessories()); } // Add a Connet articles tab // HTML articles = new HTML("articles"); tabPanel.add(articlesPanel, Resources.constants.NewGoods_tabArticle()); if (editting) { refresh(); } // Return the content tabPanel.selectTab(0); tabPanel.ensureDebugId("cwTabPanel"); add(tabPanel); add(panel); createList(null, null); btnOK.addClickHandler(new ClickHandler() { public void onClick(ClickEvent arg0) { imageUpload.setStoreType("img"); if (!imageUpload.submit()) { return; } thumbUpload.setStoreType("thumb"); if (!thumbUpload.submit()) { return; } List<FileUploader> fileUploaders = galleryPanel.getUploaders(); FileUploader fu = new FileUploader(); for (Iterator it = fileUploaders.iterator(); it.hasNext();) { fu = (FileUploader) it.next(); fu.setStoreType("img_thumb"); if (!fu.submit()) { return; } } new WaitService(new WaitService.Job() { public boolean isReady() { List<FileUploader> fileUploaders2 = galleryPanel.getUploaders(); FileUploader fu2 = new FileUploader(); for (Iterator it = fileUploaders2.iterator(); it.hasNext();) { fu2 = (FileUploader) it.next(); if (!fu2.isFinish()) { return false; } } return imageUpload.isFinish() && thumbUpload.isFinish(); } public void run() { if (!validate()) { return; } Date currentTime = new Date(); Map<String, Object> argsLeft = contentPanelGeneral.getValues(); Map<String, Object> argsDetail = new HashMap<String, Object>(); argsDetail.put(IGoods.DESCRIPTION, txtDetail.getHTML()); Map<String, Object> argsRight = contentPanelOther.getValues(); Map<String, Object> argsAttrs = attrPanel.getValues(); // Gallery Map<String, Object> argsGallery = galleryPanel.getValues(); argsLeft.putAll(argsDetail); argsLeft.putAll(argsRight); argsLeft.putAll(argsAttrs); argsLeft.putAll(argsGallery); argsLeft.put("addTime", currentTime.getTime());// addTime information argsLeft.put(IGoods.REALGOODS, !virtualCard + ""); argsLeft.put(IGoods.DELETED, "false"); if (getCurState().isEditting()) { new UpdateService().updateBean(goodsId, new BeanObject(ModelNames.GOODS, argsLeft), null); if (virtualCard) { VirtualCardList.State state = new VirtualCardList.State(); state.execute(); } else { GoodsList.State state = new GoodsList.State(); state.execute(); } } else { new CreateService().createBean(new BeanObject(ModelNames.GOODS, argsLeft), new CreateService.Listener() { public void onSuccess(final String id) { relatedPanel.setValues(id); if (!virtualCard) { accessoriesPanel.setValues(id); } articlesPanel.setValues(id); Map<String, Boolean> linkGoods = relatedPanel.getValue(); if (linkGoods != null) { for (Object key : linkGoods.keySet()) { boolean bidirectional = linkGoods.get(key); String linkGoodsId = (String) key; final Map<String, Object> value = new HashMap<String, Object>(); value.put(ILinkGoods.GOODS, id); value.put(ILinkGoods.LINKGOODS, linkGoodsId); value.put(ILinkGoods.BIDIRECTIONAL, bidirectional); //? Criteria c = new Criteria(); Condition goodsCon = new Condition(ILinkGoods.GOODS, Condition.EQUALS, id); Condition linkGoodsCon = new Condition(ILinkGoods.LINKGOODS, Condition.EQUALS, linkGoodsId); c.addCondition(goodsCon); c.addCondition(linkGoodsCon); new ListService().listBeans(ModelNames.LINKGOODS, c, new ListService.Listener() { public void onSuccess(List<BeanObject> beans) { if (beans.size() == 0) new CreateService().createBean( new BeanObject(ModelNames.LINKGOODS, value), null); } }); if (bidirectional) { final Map<String, Object> bidirectionalValue = new HashMap<String, Object>(); bidirectionalValue.put(ILinkGoods.GOODS, linkGoodsId); bidirectionalValue.put(ILinkGoods.LINKGOODS, id); bidirectionalValue.put(ILinkGoods.BIDIRECTIONAL, bidirectional); goodsCon.setValue(linkGoodsId); linkGoodsCon.setValue(id); new ListService().listBeans(ModelNames.LINKGOODS, c, new ListService.Listener() { public void onSuccess(List<BeanObject> beans) { if (beans.size() == 0) new CreateService().createBean( new BeanObject( ModelNames.LINKGOODS, bidirectionalValue), null); } }); } } } } }); if (virtualCard) { VirtualCardList.State state = new VirtualCardList.State(); state.execute(); } else { GoodsList.State state = new GoodsList.State(); state.execute(); } } } }); } }); btnCancel.addClickHandler(new ClickHandler() { public void onClick(ClickEvent arg0) { contentPanelGeneral.clearValues(); contentPanelOther.clearValues(); attrPanel.updateValues(null); } }); } private void displayError(List<String> errs) { StringBuffer sb = new StringBuffer(); for (String err : errs) { sb.append(err).append("<br>"); } MessageBox.alert("ERROR", sb.toString(), null); } private boolean validate() { List<String> errs = contentPanelGeneral.validate(); if (errs == null || errs.size() == 0) { errs = contentPanelOther.validate(); } if (errs != null && errs.size() > 0) { displayError(errs); return false; } return true; } private void createList(final String defBrand, final String defCategory) { new ListService().listBeans(ModelNames.BRAND, new ListService.Listener() { public void onSuccess(List<BeanObject> beans) { for (BeanObject brand : beans) { lstBrand.addItem(brand.getString(IBrand.NAME), brand.getString(IBrand.ID)); if (defCategory != null) { Utils.setSelectedValue(lstBrand, defBrand); } } } }); new ListService().listBeans(ModelNames.CATEGORY, new ListService.Listener() { public void onSuccess(List<BeanObject> beans) { for (BeanObject category : beans) { lstCategory.addItem(category.getString(ICategory.NAME), category.getString(ICategory.ID)); } if (defCategory != null) { Utils.setSelectedValue(lstCategory, defCategory); } } }); } public void refresh() { if (getCurState().getPageInstance() == this) { refreshLists(); return; } BeanObject goods = getGoods(); if (goods != null && goods.getString(ICategory.ID) != null) { contentPanelGeneral.updateValues(goods.getProperties()); contentPanelOther.updateValues(goods.getProperties()); attrPanel.updateValues(goods); String goodsId = goods.getString(ICategory.ID); relatedPanel.setGoodsId(goodsId); if (!virtualCard) { accessoriesPanel.setGoodsId(goodsId); } articlesPanel.setGoodsId(goodsId); goods = null; } else { contentPanelGeneral.clearValues(); contentPanelOther.clearValues(); attrPanel.updateValues(null); getCurState().setEditting(false); } getCurState().setPageInstance(this); } private void refreshLists() { String brandSelected = Utils.getSelectedValue(lstBrand); lstBrand.clear(); String catSelected = Utils.getSelectedValue(lstCategory); lstCategory.clear(); createList(brandSelected, catSelected); } }