| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.sun.star.report.pentaho.layoutprocessor; |
| |
| import com.sun.star.report.pentaho.model.VariablesDeclarationSection; |
| |
| import org.jfree.report.DataSourceException; |
| import org.jfree.report.ReportData; |
| import org.jfree.report.ReportDataFactoryException; |
| import org.jfree.report.ReportProcessingException; |
| import org.jfree.report.data.GlobalMasterRow; |
| import org.jfree.report.data.ReportDataRow; |
| import org.jfree.report.flow.FlowController; |
| import org.jfree.report.flow.ReportTarget; |
| import org.jfree.report.flow.layoutprocessor.ElementLayoutController; |
| import org.jfree.report.flow.layoutprocessor.LayoutController; |
| import org.jfree.report.flow.layoutprocessor.SectionLayoutController; |
| |
| /** |
| * Creation-Date: 11.04.2007, 11:04:02 |
| * |
| * @author Thomas Morgner |
| */ |
| public class OfficeDetailLayoutController extends SectionLayoutController |
| { |
| |
| public static final int STATE_PROCESS_VARIABLES = 2; |
| public static final int STATE_PROCESS_NORMAL_FLOW = 3; |
| private boolean waitForJoin; |
| private int state; |
| |
| public OfficeDetailLayoutController() |
| { |
| } |
| |
| /** |
| * Initializes the layout controller. This method is called exactly once. It |
| * is the creators responsibility to call this method. |
| * <p/> |
| * Calling initialize after the first advance must result in a |
| * IllegalStateException. |
| * |
| * @param node the currently processed object or layout node. |
| * @param flowController the current flow controller. |
| * @param parent the parent layout controller that was responsible for |
| * instantiating this controller. |
| * @throws org.jfree.report.DataSourceException |
| * if there was a problem reading data from the datasource. |
| * @throws org.jfree.report.ReportProcessingException |
| * if there was a general problem during the report processing. |
| * @throws org.jfree.report.ReportDataFactoryException |
| * if a query failed. |
| */ |
| public void initialize(final Object node, |
| final FlowController flowController, |
| final LayoutController parent) |
| throws DataSourceException, ReportDataFactoryException, |
| ReportProcessingException |
| { |
| super.initialize(node, flowController, parent); |
| state = OfficeDetailLayoutController.STATE_PROCESS_VARIABLES; |
| } |
| |
| /** |
| * This method is called for each newly instantiated layout controller. The returned layout controller instance should |
| * have a processing state of either 'OPEN' or 'FINISHING' depending on whether there is any content or any child |
| * nodes to process. |
| * |
| * @param target the report target that receives generated events. |
| * @return the new layout controller instance representing the new state. |
| * @throws org.jfree.report.DataSourceException |
| * if there was a problem reading data from the datasource. |
| * @throws org.jfree.report.ReportProcessingException |
| * if there was a general problem during the report processing. |
| * @throws org.jfree.report.ReportDataFactoryException |
| * if a query failed. |
| */ |
| protected LayoutController startElement(final ReportTarget target) |
| throws DataSourceException, ReportProcessingException, ReportDataFactoryException |
| { |
| final FlowController fc = getFlowController(); |
| final GlobalMasterRow masterRow = fc.getMasterRow(); |
| final ReportDataRow reportDataRow = masterRow.getReportDataRow(); |
| final ReportData reportData = reportDataRow.getReportData(); |
| if (!reportData.isReadable()) |
| { |
| reportData.isReadable(); |
| // If this report has no data, then do not print the detail section. The detail section |
| // is the only section that behaves this way, and for now this is only done in the OO-implementation |
| final SectionLayoutController derived = (SectionLayoutController) clone(); |
| derived.setProcessingState(ElementLayoutController.FINISHED); |
| derived.setFlowController(fc); |
| return derived; |
| } |
| |
| if (state == OfficeDetailLayoutController.STATE_PROCESS_VARIABLES) |
| { |
| final VariablesDeclarationSection variables = new VariablesDeclarationSection(); |
| final OfficeDetailLayoutController controller = (OfficeDetailLayoutController) clone(); |
| controller.state = OfficeDetailLayoutController.STATE_PROCESS_NORMAL_FLOW; |
| controller.waitForJoin = true; |
| return processChild(controller, variables, fc); |
| } |
| |
| return super.startElement(target); |
| } |
| |
| protected void resetSectionForRepeat() |
| { |
| super.resetSectionForRepeat(); |
| state = STATE_PROCESS_VARIABLES; |
| } |
| |
| /** |
| * Joins with a delegated process flow. This is generally called from a child |
| * flow and should *not* (I mean it!) be called from outside. If you do, |
| * you'll suffer. |
| * |
| * @param flowController the flow controller of the parent. |
| * @return the joined layout controller that incorperates all changes from the |
| * delegate. |
| */ |
| public LayoutController join(final FlowController flowController) |
| { |
| if (waitForJoin) |
| { |
| final OfficeDetailLayoutController derived = (OfficeDetailLayoutController) clone(); |
| derived.setProcessingState(ElementLayoutController.NOT_STARTED); |
| derived.setFlowController(flowController); |
| derived.waitForJoin = false; |
| return derived; |
| } |
| return super.join(flowController); |
| } |
| } |