diff options
Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/FormattedTextLayoutController.java')
-rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/FormattedTextLayoutController.java | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/FormattedTextLayoutController.java b/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/FormattedTextLayoutController.java new file mode 100644 index 000000000000..5a6b8f948372 --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/FormattedTextLayoutController.java @@ -0,0 +1,229 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +package com.sun.star.report.pentaho.layoutprocessor; + +import com.sun.star.report.OfficeToken; +import com.sun.star.report.pentaho.OfficeNamespaces; +import com.sun.star.report.pentaho.model.FormattedTextElement; +import com.sun.star.report.pentaho.model.OfficeDocument; +import com.sun.star.report.pentaho.model.OfficeStyle; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +import org.jfree.layouting.util.AttributeMap; +import org.jfree.report.DataFlags; +import org.jfree.report.DataSourceException; +import org.jfree.report.JFreeReportInfo; +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! + * + * @author Thomas Morgner + * @since 05.03.2007 + */ +public class FormattedTextLayoutController + extends AbstractReportElementLayoutController +{ + + private static final Log LOGGER = LogFactory.getLog(FormattedTextLayoutController.class); + + public FormattedTextLayoutController() + { + } + + private VariablesCollection getVariablesCollection() + { + LayoutController parent = getParent(); + while (parent != null) + { + if (parent instanceof OfficeRepeatingStructureLayoutController) + { + final OfficeRepeatingStructureLayoutController orslc = + (OfficeRepeatingStructureLayoutController) parent; + if (orslc.isNormalFlowProcessing()) + { + return null; + } + + return orslc.getVariablesCollection(); + } + parent = parent.getParent(); + } + return null; + } + + protected boolean isValueChanged() + { + try + { + final FormattedTextElement element = (FormattedTextElement) getNode(); + final FormulaExpression formulaExpression = element.getValueExpression(); + final Formula formula = formulaExpression.getCompiledFormula(); + final LValue lValue = formula.getRootReference(); + return isReferenceChanged(lValue); + } + catch (final ParseException e) + { + LOGGER.debug("Parse Exception", e); + return false; + } + } + + protected LayoutController delegateContentGeneration(final ReportTarget target) + throws ReportProcessingException, ReportDataFactoryException, + DataSourceException + { + final FormattedTextElement element = (FormattedTextElement) getNode(); + 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); + //variablesGet.setAttribute(OfficeNamespaces.TEXT_NS, "display", "value"); + + 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 OfficeDocument getDocument() + { + LayoutController parent = getParent(); + while (parent != null) + { + final Object node = parent.getNode(); + if (node instanceof OfficeDocument) + { + return (OfficeDocument) node; + } + parent = parent.getParent(); + } + return null; + } + + 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; + } + + private String computeValueStyle() + { + final Element tce = getParentTableCell(); + if (tce == null) + { + return null; + } + + final String cellStyleName = (String) tce.getAttribute(OfficeNamespaces.TABLE_NS, OfficeToken.STYLE_NAME); + if (cellStyleName == null) + { + return null; + } + final OfficeDocument document = getDocument(); + if (document == null) + { + return null; + } + + final OfficeStyle style = document.getStylesCollection().getStyle("table-cell", cellStyleName); + return (String) style.getAttribute(OfficeNamespaces.STYLE_NS, "data-style-name"); + } + + private String computeValueType() + { + final Element tce = getParentTableCell(); + if (tce == null) + { + // NO particular format means: Fallback to string and hope and pray .. + throw new IllegalStateException("A formatted text element must be a child of a Table-Cell."); + } + + final String type = (String) tce.getAttribute(OfficeNamespaces.OFFICE_NS, FormatValueUtility.VALUE_TYPE); + if (type == null) + { + LOGGER.error("The Table-Cell does not have a office:value attribute defined. Your content will be messed up."); + return "string"; + } + return type; + } +} |