/* * Isomorphic SmartGWT web presentation layer * Copyright 2000 and beyond Isomorphic Software, Inc. * * OWNERSHIP NOTICE * Isomorphic Software owns and reserves all rights not expressly granted in this source code, * including all intellectual property rights to the structure, sequence, and format of this code * and to all designs, interfaces, algorithms, schema, protocols, and inventions expressed herein. * * If you have any questions, please email
. * * This entire comment must accompany any portion of Isomorphic Software source code that is * copied or moved from this file. */ package com.smartgwt.sample.showcase.client.dataintegration.java.transactions; import com.smartgwt.client.data.DataSource; import com.smartgwt.client.data.DSRequest; import com.smartgwt.client.rpc.RPCManager; import com.smartgwt.client.rpc.QueueSentCallback; import com.smartgwt.client.rpc.RPCRequest; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.Label; import com.smartgwt.client.widgets.viewer.DetailViewer; import com.smartgwt.client.widgets.form.DynamicForm; import com.smartgwt.client.widgets.form.fields.TextItem; import com.smartgwt.client.widgets.form.fields.ButtonItem; import com.smartgwt.client.widgets.grid.ListGrid; import com.smartgwt.client.widgets.grid.ListGridField; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.layout.SectionStack; import com.smartgwt.client.widgets.layout.SectionStackSection; import com.smartgwt.client.types.VisibilityMode; import com.smartgwt.sample.showcase.client.PanelFactory; import com.smartgwt.sample.showcase.client.ShowcasePanel; import com.google.gwt.user.client.Timer; public class SimpleQueuingSample implements EntryPoint { public void onModuleLoad() { DataSource queuingUserDS = DataSource.get("queuing_userHB"); DataSource queuingOrderDS = DataSource.get("queuing_order"); final SectionStack sectionStack = new SectionStack(); sectionStack.setVisibilityMode(VisibilityMode.MULTIPLE); sectionStack.setWidth(400); sectionStack.setHeight(300); SectionStackSection userDetailsSection = new SectionStackSection("User Details"); userDetailsSection.setExpanded(true); final DetailViewer userDetailViewer = new DetailViewer(); userDetailViewer.setDataSource(queuingUserDS); userDetailViewer.setUseAllDataSourceFields(true); userDetailsSection.setItems(userDetailViewer); SectionStackSection ordersSection = new SectionStackSection("Orders"); ordersSection.setExpanded(true); final ListGrid ordersListGrid = new ListGrid(); ordersListGrid.setDataSource(queuingOrderDS); ordersListGrid.setShowFilterEditor(true); ordersListGrid.setFields(new ListGridField("orderID"), new ListGridField("customerName"), new ListGridField("orderDate"), new ListGridField("totalValue")); //deliberately small to force paging ordersListGrid.setDataPageSize(10); //disable this performance feature, again to force paging ordersListGrid.setDrawAllMaxCells(0); ordersSection.setItems(ordersListGrid); sectionStack.setSections(userDetailsSection); sectionStack.setSections(ordersSection); sectionStack.setVisible(false); //main form final DynamicForm findOrdersForm = new DynamicForm(); findOrdersForm.setWidth(400); TextItem userItem = new TextItem("userID", "User ID"); userItem.setDefaultValue(1); userItem.setWidth(50); userItem.setHint("Note: sample data only exists for user ID 1"); ButtonItem findButtonItem = new ButtonItem("findButton", "Find Orders"); findButtonItem.addClickHandler(new com.smartgwt.client.widgets.form.fields.events.ClickHandler() { public void onClick(com.smartgwt.client.widgets.form.fields.events.ClickEvent event) { sectionStack.setVisible(true); RPCManager.startQueue(); userDetailViewer.fetchData(findOrdersForm.getValuesAsCriteria()); ordersListGrid.fetchData(findOrdersForm.getValuesAsCriteria()); RPCManager.sendQueue(); } }); findOrdersForm.setItems(userItem, findButtonItem); VLayout layout = new VLayout(15); layout.addMember(findOrdersForm); layout.addMember(sectionStack); final ServerCountLabel serverCountLabel = new ServerCountLabel(); serverCountLabel.setLeft(420); serverCountLabel.setTop(100); layout.addChild(serverCountLabel); RPCManager.setQueueSentCallback(new QueueSentCallback() { public void queueSent(RPCRequest[] requests) { serverCountLabel.incrementAndUpdate(requests); //flash the label serverCountLabel.setBackgroundColor("ffff77"); new Timer() { public void run() { serverCountLabel.setBackgroundColor("ffffff"); } }.schedule(500); } }); layout.draw(); } class ServerCountLabel extends Label { private int count = 0; ServerCountLabel() { setPadding(10); setWidth(300); setHeight(40); setBorder("1px solid grey"); setContents("
Number of server trips: 0
No queues sent
"); } public void incrementAndUpdate(RPCRequest[] requests) { count++; setContents("
Number of server trips: " + count + "
Last queue contained: " + requests.length + " request(s)
"); } } }