Java tutorial
package org.adempiere.webui.apps; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import java.util.Properties; import java.util.logging.Level; import org.adempiere.webui.component.Button; import org.adempiere.webui.component.Panel; import org.adempiere.webui.component.Window; import org.adempiere.webui.desktop.IDesktop; import org.adempiere.webui.process.WProcessInfo; import org.adempiere.webui.session.SessionManager; import org.adempiere.webui.window.FDialog; import org.adempiere.webui.window.SimplePDFViewer; import org.openXpertya.apps.ProcessCtl; import org.openXpertya.print.ReportEngine; import org.openXpertya.process.ProcessInfo; import org.openXpertya.process.ProcessInfoUtil; import org.openXpertya.util.CLogger; import org.openXpertya.util.DB; import org.openXpertya.util.Env; import org.openXpertya.util.Msg; import org.zkoss.zk.au.out.AuEcho; import org.zkoss.zk.ui.Component; import org.zkoss.zk.ui.event.Event; import org.zkoss.zk.ui.event.EventListener; import org.zkoss.zk.ui.event.Events; import org.zkoss.zk.ui.util.Clients; import org.zkoss.zkex.zul.Borderlayout; import org.zkoss.zkex.zul.Center; import org.zkoss.zkex.zul.North; import org.zkoss.zkex.zul.South; import org.zkoss.zul.Div; import org.zkoss.zul.Hbox; import org.zkoss.zul.Html; import com.lowagie.text.Document; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfImportedPage; import com.lowagie.text.pdf.PdfReader; import com.lowagie.text.pdf.PdfWriter; /****************************************************************************** * Product: Adempiere ERP & CRM Smart Business Solution * * Copyright (C) 2007 Low Heng Sin * * Copyright (C) 1999-2006 ComPiere, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify it * * under the terms version 2 of the GNU General Public License as published * * by the Free Software Foundation. This program is distributed in the hope * * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied * * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * * with this program; if not, write to the Free Software Foundation, Inc., * * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * *****************************************************************************/ /** * Dialog to Start process or report. * Displays information about the process * and lets the user decide to start it * and displays results (optionally print them). * Calls ProcessCtl to execute. * @author Low Heng Sin * @author arboleda - globalqss * - Implement ShowHelp option on processes and reports */ public class ProcessDialog extends Window implements EventListener//, ASyncProcess { /** * generate serial version ID */ private static final long serialVersionUID = 5545731871518761455L; private static final String MESSAGE_DIV_STYLE = "max-height: 150pt; overflow: auto"; private Div messageDiv; private Center center; private North north; /** * Dialog to start a process/report * @param ctx * @param parent * @param title * @param aProcess * @param WindowNo * @param AD_Process_ID * @param tableId * @param recordId * @param autoStart */ public ProcessDialog(int AD_Process_ID, boolean isSOTrx) { log.info("Process=" + AD_Process_ID); m_ctx = Env.getCtx(); m_WindowNo = SessionManager.getAppDesktop().registerWindow(this); this.setAttribute(IDesktop.WINDOWNO_ATTRIBUTE, m_WindowNo); m_AD_Process_ID = AD_Process_ID; Env.setContext(Env.getCtx(), m_WindowNo, "IsSOTrx", isSOTrx ? "Y" : "N"); try { initComponents(); init(); } catch (Exception ex) { log.log(Level.SEVERE, "", ex); } } // ProcessDialog private void initComponents() { this.setStyle("position: absolute; width: 100%; height: 100%"); Borderlayout layout = new Borderlayout(); layout.setStyle("position: absolute; width: 100%; height: 100%; border: none;"); messageDiv = new Div(); message = new Html(); messageDiv.appendChild(message); messageDiv.setStyle(MESSAGE_DIV_STYLE); north = new North(); north.appendChild(messageDiv); layout.appendChild(north); north.setAutoscroll(true); north.setStyle("border: none;"); centerPanel = new Panel(); center = new Center(); layout.appendChild(center); center.appendChild(centerPanel); center.setFlex(true); center.setAutoscroll(true); center.setStyle("border: none"); Div div = new Div(); div.setAlign("center"); Hbox hbox = new Hbox(); String label = Msg.getMsg(Env.getCtx(), "Start"); bOK = new Button(label.replaceAll("&", "")); bOK.setImage("/images/Ok16.png"); bOK.setId("Ok"); bOK.addEventListener(Events.ON_CLICK, this); bOK.setSclass("action-button"); hbox.appendChild(bOK); label = Msg.getMsg(Env.getCtx(), "Cancel"); Button btn = new Button(label.replaceAll("&", "")); btn.setImage("/images/Cancel16.png"); btn.setId("Cancel"); btn.addEventListener(Events.ON_CLICK, this); btn.setSclass("action-button"); hbox.appendChild(btn); div.appendChild(hbox); div.setStyle("padding: 10px"); South south = new South(); layout.appendChild(south); south.appendChild(div); this.appendChild(layout); } private int m_WindowNo; private Properties m_ctx; private int m_AD_Process_ID; private String m_Name = null; private boolean m_IsReport = false; private int[] m_ids = null; private StringBuffer m_messageText = new StringBuffer(); private String m_ShowHelp = null; // Determine if a Help Process Window is shown private Panel centerPanel = null; private Html message = null; private Button bOK = null; private boolean valid = true; /** Logger */ private static CLogger log = CLogger.getCLogger(ProcessDialog.class); // private ProcessParameterPanel parameterPanel = null; private ProcessInfo m_pi = null; private boolean m_isLocked = false; private String initialMessage; private BusyDialog progressWindow; /** * Set Visible * (set focus to OK if visible) * @param visible true if visible */ public boolean setVisible(boolean visible) { return super.setVisible(visible); } // setVisible /** * Dispose */ public void dispose() { SessionManager.getAppDesktop().closeWindow(m_WindowNo); valid = false; }// dispose /** * Dynamic Init * @return true, if there is something to process (start from menu) */ public boolean init() { log.config(""); // boolean trl = !Env.isBaseLanguage(m_ctx, "AD_Process"); String sql = "SELECT Name, Description, Help, IsReport, ShowHelp " + "FROM AD_Process " + "WHERE AD_Process_ID=?"; if (trl) sql = "SELECT t.Name, t.Description, t.Help, p.IsReport, p.ShowHelp " + "FROM AD_Process p, AD_Process_Trl t " + "WHERE p.AD_Process_ID=t.AD_Process_ID" + " AND p.AD_Process_ID=? AND t.AD_Language=?"; PreparedStatement pstmt = null; ResultSet rs = null; try { pstmt = DB.prepareStatement(sql, null); pstmt.setInt(1, m_AD_Process_ID); if (trl) pstmt.setString(2, Env.getAD_Language(m_ctx)); rs = pstmt.executeQuery(); if (rs.next()) { m_Name = rs.getString(1); m_IsReport = rs.getString(4).equals("Y"); m_ShowHelp = rs.getString(5); // m_messageText.append("<b>"); String s = rs.getString(2); // Description if (rs.wasNull()) m_messageText.append(Msg.getMsg(m_ctx, "StartProcess?")); else m_messageText.append(s); m_messageText.append("</b>"); s = rs.getString(3); // Help if (!rs.wasNull()) m_messageText.append("<p>").append(s).append("</p>"); } } catch (SQLException e) { log.log(Level.SEVERE, sql, e); return false; } finally { DB.close(rs, pstmt); } if (m_Name == null) return false; // this.setTitle(m_Name); initialMessage = m_messageText.toString(); message.setContent(initialMessage); bOK.setLabel(Msg.getMsg(Env.getCtx(), "Start")); // Move from APanel.actionButton m_pi = new WProcessInfo(m_Name, m_AD_Process_ID); m_pi.setAD_User_ID(Env.getAD_User_ID(Env.getCtx())); m_pi.setAD_Client_ID(Env.getAD_Client_ID(Env.getCtx())); parameterPanel = new ProcessParameterPanel(m_WindowNo, m_pi, "70%"); centerPanel.getChildren().clear(); if (parameterPanel.init()) { centerPanel.appendChild(parameterPanel); } else { if (m_ShowHelp != null && m_ShowHelp.equals("N")) { startProcess(); } } // Check if the process is a silent one if (m_ShowHelp != null && m_ShowHelp.equals("S")) { startProcess(); } return true; } // init public void startProcess() { m_pi.setPrintPreview(true); this.lockUI(m_pi); Clients.response(new AuEcho(this, "runProcess", null)); } public void runProcess() { try { ProcessCtl.process(null, m_WindowNo, parameterPanel, m_pi, null); } finally { unlockUI(m_pi); } } public void onEvent(Event event) { Component component = event.getTarget(); if (component instanceof Button) { Button element = (Button) component; if ("Ok".equalsIgnoreCase(element.getId())) { if (element.getLabel().length() > 0) this.startProcess(); else this.dispose(); } else if ("Cancel".equalsIgnoreCase(element.getId())) { this.dispose(); } } } public void lockUI(ProcessInfo pi) { if (m_isLocked) return; m_isLocked = true; showBusyDialog(); } private void showBusyDialog() { progressWindow = new BusyDialog(); progressWindow.setPage(this.getPage()); progressWindow.doHighlighted(); } public void unlockUI(ProcessInfo pi) { if (!m_isLocked) return; m_isLocked = false; hideBusyDialog(); updateUI(pi); } private void hideBusyDialog() { if (progressWindow != null) { progressWindow.dispose(); progressWindow = null; } } private void updateUI(ProcessInfo pi) { ProcessInfoUtil.setLogFromDB(pi); m_messageText.append("<p><font color=\"").append(pi.isError() ? "#FF0000" : "#0000FF").append("\">** ") .append(pi.getSummary()).append("</font></p>"); m_messageText.append(pi.getLogInfo(true)); message.setContent(m_messageText.toString()); bOK.setLabel(""); m_ids = pi.getIDs(); //move message div to center to give more space to display potentially very long log info centerPanel.detach(); messageDiv.detach(); messageDiv.setStyle(""); north.setVisible(false); center.appendChild(messageDiv); invalidate(); Clients.response(new AuEcho(this, "onAfterProcess", null)); } public void onAfterProcess() { // afterProcessTask(); // Close automatically if (m_IsReport && !m_pi.isError()) this.dispose(); // If the process is a silent one and no errors occured, close the dialog if (m_ShowHelp != null && m_ShowHelp.equals("S")) this.dispose(); } /************************************************************************** * Optional Processing Task */ private void afterProcessTask() { // something to do? if (m_ids != null && m_ids.length > 0) { log.config(""); // Print invoices if (m_AD_Process_ID == 119) printInvoices(); else if (m_AD_Process_ID == 118) printShipments(); } } // afterProcessTask /************************************************************************** * Print Shipments */ private void printShipments() { if (m_ids == null) return; if (!FDialog.ask(m_WindowNo, this, "PrintShipments")) return; m_messageText.append("<p>").append(Msg.getMsg(Env.getCtx(), "PrintShipments")).append("</p>"); message.setContent(m_messageText.toString()); showBusyDialog(); Clients.response(new AuEcho(this, "onPrintShipments", null)); } // printInvoices public void onPrintShipments() { // Loop through all items List<File> pdfList = new ArrayList<File>(); for (int i = 0; i < m_ids.length; i++) { int M_InOut_ID = m_ids[i]; ReportEngine re = ReportEngine.get(Env.getCtx(), ReportEngine.SHIPMENT, M_InOut_ID); pdfList.add(re.getPDF()); } if (pdfList.size() > 1) { try { File outFile = File.createTempFile("PrintShipments", ".pdf"); Document document = null; PdfWriter copy = null; for (File f : pdfList) { String fileName = f.getAbsolutePath(); PdfReader reader = new PdfReader(fileName); reader.consolidateNamedDestinations(); if (document == null) { document = new Document(reader.getPageSizeWithRotation(1)); copy = PdfWriter.getInstance(document, new FileOutputStream(outFile)); document.open(); } int pages = reader.getNumberOfPages(); PdfContentByte cb = copy.getDirectContent(); for (int i = 1; i <= pages; i++) { document.newPage(); PdfImportedPage page = copy.getImportedPage(reader, i); cb.addTemplate(page, 0, 0); } } document.close(); hideBusyDialog(); Window win = new SimplePDFViewer(this.getTitle(), new FileInputStream(outFile)); SessionManager.getAppDesktop().showWindow(win, "center"); } catch (Exception e) { log.log(Level.SEVERE, e.getLocalizedMessage(), e); } } else if (pdfList.size() > 0) { hideBusyDialog(); try { Window win = new SimplePDFViewer(this.getTitle(), new FileInputStream(pdfList.get(0))); SessionManager.getAppDesktop().showWindow(win, "center"); } catch (Exception e) { log.log(Level.SEVERE, e.getLocalizedMessage(), e); } } } /** * Print Invoices */ private void printInvoices() { if (m_ids == null) return; if (!FDialog.ask(m_WindowNo, this, "PrintInvoices")) return; m_messageText.append("<p>").append(Msg.getMsg(Env.getCtx(), "PrintInvoices")).append("</p>"); message.setContent(m_messageText.toString()); showBusyDialog(); Clients.response(new AuEcho(this, "onPrintInvoices", null)); } // printInvoices public void onPrintInvoices() { // Loop through all items List<File> pdfList = new ArrayList<File>(); for (int i = 0; i < m_ids.length; i++) { int C_Invoice_ID = m_ids[i]; ReportEngine re = ReportEngine.get(Env.getCtx(), ReportEngine.INVOICE, C_Invoice_ID); pdfList.add(re.getPDF()); } if (pdfList.size() > 1) { try { File outFile = File.createTempFile("PrintInvoices", ".pdf"); Document document = null; PdfWriter copy = null; for (File f : pdfList) { PdfReader reader = new PdfReader(f.getAbsolutePath()); if (document == null) { document = new Document(reader.getPageSizeWithRotation(1)); copy = PdfWriter.getInstance(document, new FileOutputStream(outFile)); document.open(); } PdfContentByte cb = copy.getDirectContent(); // Holds the PDF int pages = reader.getNumberOfPages(); for (int i = 1; i <= pages; i++) { document.newPage(); PdfImportedPage page = copy.getImportedPage(reader, i); cb.addTemplate(page, 0, 0); } } document.close(); hideBusyDialog(); Window win = new SimplePDFViewer(this.getTitle(), new FileInputStream(outFile)); SessionManager.getAppDesktop().showWindow(win, "center"); } catch (Exception e) { log.log(Level.SEVERE, e.getLocalizedMessage(), e); } } else if (pdfList.size() > 0) { try { Window win = new SimplePDFViewer(this.getTitle(), new FileInputStream(pdfList.get(0))); SessionManager.getAppDesktop().showWindow(win, "center"); } catch (Exception e) { log.log(Level.SEVERE, e.getLocalizedMessage(), e); } } } public boolean isValid() { return valid; } public void executeASync(ProcessInfo pi) { } public boolean isUILocked() { return m_isLocked; } } // ProcessDialog