IDEMPIERE-4868 Implement column lookup support for Jasper Report (#768)

org.adempiere.report.jasper/src/org/adempiere/report/jasper/ColumnLookup.java

@@ -0,0 +1,112 @@
+/***********************************************************************
+ * This file is part of iDempiere ERP Open Source                      *
+ * http://www.idempiere.org                                            *
+ *                                                                     *
+ * Copyright (C) Contributors                                          *
+ *                                                                     *
+ * This program is free software; you can redistribute it and/or       *
+ * modify it under the terms of the GNU General Public License         *
+ * as published by the Free Software Foundation; either version 2      *
+ * of the License, or (at your option) any later version.              *
+ *                                                                     *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,          *
+ * MA 02110-1301, USA.                                                 *
+ *                                                                     *
+ * Contributors:                                                       *
+ * - hengsin                         								   *
+ **********************************************************************/
+package org.adempiere.report.jasper;
+
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.function.BiFunction;
+import java.util.logging.Level;
+
+import org.compiere.model.MColumn;
+import org.compiere.model.MLocation;
+import org.compiere.model.MLookup;
+import org.compiere.model.MLookupFactory;
+import org.compiere.model.MLookupInfo;
+import org.compiere.model.MTable;
+import org.compiere.util.CLogger;
+import org.compiere.util.DB;
+import org.compiere.util.DisplayType;
+import org.compiere.util.Env;
+import org.compiere.util.Language;
+import org.compiere.util.NamePair;
+import org.compiere.util.Util;
+
+/**
+ * @author hengsin
+ *
+ */
+public class ColumnLookup implements BiFunction<String, Object, String> {
+
+	private Language language;
+
+	/**
+	 * @param language
+	 */
+	public ColumnLookup(Language language) {
+		this.language = language;
+	}
+
+	@Override
+	public String apply(String t, Object key) {
+		if (!Util.isEmpty(t, true) && key != null) {
+			String[] parts = t.split("[.]");
+			if (parts.length == 2) {
+				String tableName = parts[0];
+				String columnName = parts[1];
+				MTable table = MTable.get(Env.getCtx(), tableName);
+				if (table != null) {
+					MColumn column = table.getColumn(columnName);
+					if (column != null) {
+						if (DisplayType.isList(column.getAD_Reference_ID())) {
+							MLookupInfo linfo = MLookupFactory.getLookup_List(language, column.getAD_Reference_Value_ID());
+							MLookup lookup = new MLookup(linfo, -1);
+							NamePair np = lookup.getDirect(key, false, false);
+							return np != null ? np.toString() : "";
+						} else if (DisplayType.isLookup(column.getAD_Reference_ID()) && (key instanceof Number)) {
+							return getLookupDisplay(column, (Number) key);
+						} else if (DisplayType.Location == column.getAD_Reference_ID() && (key instanceof Number)) {
+							MLocation loc = MLocation.get(((Number)key).intValue());
+							return loc.toStringCR();									
+						}
+					}
+				}
+			}
+		}
+		return "";
+	}
+
+	private String getLookupDisplay(MColumn column, Number key) {
+		MLookupInfo mli = MLookupFactory.getLookupInfo(Env.getCtx(), -1, column.getAD_Column_ID(), column.getAD_Reference_ID(), language, column.getColumnName(), 
+				column.getAD_Reference_Value_ID(), false, "");
+
+		StringBuilder name = new StringBuilder("");
+		try (PreparedStatement pstmt = DB.prepareStatement(mli.QueryDirect, null);) {			
+			pstmt.setInt(1, key.intValue());
+
+			ResultSet rs = pstmt.executeQuery();
+			if (rs.next()) {
+				name.append(rs.getString(3));
+				boolean isActive = rs.getString(4).equals("Y");
+				if (!isActive)
+					name.insert(0, MLookup.INACTIVE_S).append(MLookup.INACTIVE_E);
+			}
+		} catch (Exception e) {
+			CLogger.getCLogger(getClass()).log(Level.SEVERE, e.getMessage(), e);
+		}
+
+		return name.toString();
+	}
+
+}

org.adempiere.report.jasper/src/org/adempiere/report/jasper/ReportStarter.java

@@ -608,6 +608,8 @@ public class ReportStarter implements ProcessCall, ClientProcess
         			params.get("CURRENT_LANG").toString();
         		currLang = Language.getLanguage(langInfo);
         	}
+        	params.put("COLUMN_LOOKUP", new ColumnLookup(currLang));
+        	
         	String printerName = null;
         	MPrintFormat printFormat = null;
         	PrintInfo printInfo = null;