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Diffstat (limited to 'reportbuilder/java/org/libreoffice/report/pentaho/layoutprocessor/FormattedTextLayoutController.java')
| -rw-r--r-- | reportbuilder/java/org/libreoffice/report/pentaho/layoutprocessor/FormattedTextLayoutController.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/layoutprocessor/FormattedTextLayoutController.java b/reportbuilder/java/org/libreoffice/report/pentaho/layoutprocessor/FormattedTextLayoutController.java new file mode 100644 index 000000000..7959b5857 --- /dev/null +++ b/reportbuilder/java/org/libreoffice/report/pentaho/layoutprocessor/FormattedTextLayoutController.java @@ -0,0 +1,145 @@ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +package org.libreoffice.report.pentaho.layoutprocessor; + +import org.libreoffice.report.pentaho.OfficeNamespaces; +import org.libreoffice.report.pentaho.model.FormattedTextElement; +import java.util.logging.Logger; + +import org.jfree.report.DataFlags; +import org.jfree.report.DataSourceException; +import org.jfree.report.ReportDataFactoryException; +import org.jfree.report.ReportProcessingException; +import org.jfree.report.expressions.FormulaExpression; +import org.jfree.report.flow.ReportTarget; +import org.jfree.report.flow.layoutprocessor.LayoutController; +import org.jfree.report.structure.Element; + +import org.pentaho.reporting.libraries.formula.Formula; +import org.pentaho.reporting.libraries.formula.lvalues.LValue; +import org.pentaho.reporting.libraries.formula.parser.ParseException; + +/** + * Todo: Document me! + * + * @since 05.03.2007 + */ +public class FormattedTextLayoutController + extends AbstractReportElementLayoutController +{ + + private static final Logger LOGGER = Logger.getLogger(FormattedTextLayoutController.class.getName()); + + @Override + public boolean isValueChanged() + { + try + { + final FormattedTextElement element = (FormattedTextElement) getNode(); + final FormulaExpression formulaExpression = element.getValueExpression(); + if (formulaExpression.getFormulaExpression() == null) + return false; + final Formula formula = formulaExpression.getCompiledFormula(); + final LValue lValue = formula.getRootReference(); + return FormatValueUtility.isReferenceChanged(this, lValue); + } + catch (final ParseException e) + { + LOGGER.config("Parse Exception: " + e); + return false; + } + } + + @Override + protected LayoutController delegateContentGeneration(final ReportTarget target) + throws ReportProcessingException, ReportDataFactoryException, + DataSourceException + { + final FormattedTextElement element = (FormattedTextElement) getNode(); + // LEM 20130812 I have absolutely no clue why it wants to go via + // a variable like that. It complicates things, is fragile + // (because the variable-set is done in *every* detail section + // again and again. This in itself is not that bad, but when + // the detail section is of height zero, the "set" is never done... + // and this whole schema fails). For now, keep the code in case + // something break. If we survive the 4.2 cycle (in its entirety) + // without regression traced to this, then remove it (for 4.4 or + // something like that). + // final VariablesCollection vc = getVariablesCollection(); + // if (vc != null) + // { + // final String name = vc.addVariable(element); + // final AttributeMap variablesGet = new AttributeMap(); + // variablesGet.setAttribute(JFreeReportInfo.REPORT_NAMESPACE, + // Element.TYPE_ATTRIBUTE, "variable-get"); + // variablesGet.setAttribute(JFreeReportInfo.REPORT_NAMESPACE, + // Element.NAMESPACE_ATTRIBUTE, OfficeNamespaces.TEXT_NS); + // variablesGet.setAttribute(OfficeNamespaces.TEXT_NS, "name", name); + + // final String dataStyleName = computeValueStyle(); + // if (dataStyleName != null) + // { + // variablesGet.setAttribute(OfficeNamespaces.STYLE_NS, "data-style-name", dataStyleName); + // } + + // final String valueType = computeValueType(); + // variablesGet.setAttribute(OfficeNamespaces.OFFICE_NS, FormatValueUtility.VALUE_TYPE, valueType); + // target.startElement(variablesGet); + + // target.endElement(variablesGet); + // } + // else + { + final DataFlags df = FormatValueUtility.computeDataFlag(element, getFlowController()); + if (df != null) + { + if (df.getValue() instanceof String) + { + target.processContent(df); + } + else //@see http://qa.openoffice.org/issues/show_bug.cgi?id=108954 + { + Element cell = getParentTableCell(); + if (cell != null && "string".equals(cell.getAttribute(OfficeNamespaces.OFFICE_NS, FormatValueUtility.VALUE_TYPE))) + { + target.processContent(df); + } + } + } + } + + return join(getFlowController()); + } + + private Element getParentTableCell() + { + LayoutController parent = getParent(); + while (parent != null) + { + if (parent instanceof TableCellLayoutController) + { + final TableCellLayoutController cellController = (TableCellLayoutController) parent; + return cellController.getElement(); + } + parent = parent.getParent(); + } + return null; + } + +} |