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Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/TableCellLayoutController.java')
| -rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/TableCellLayoutController.java | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/TableCellLayoutController.java b/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/TableCellLayoutController.java new file mode 100644 index 000000000000..e575831ebf2a --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/layoutprocessor/TableCellLayoutController.java @@ -0,0 +1,216 @@ +/************************************************************************* + * + * 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.FormatCondition; +import com.sun.star.report.pentaho.model.FormattedTextElement; +import com.sun.star.report.pentaho.model.ReportElement; + +import org.jfree.layouting.util.AttributeMap; +import org.jfree.report.DataFlags; +import org.jfree.report.DataSourceException; +import org.jfree.report.expressions.Expression; +import org.jfree.report.flow.FlowController; +import org.jfree.report.flow.ReportTarget; +import org.jfree.report.flow.layoutprocessor.LayoutControllerUtil; +import org.jfree.report.flow.layoutprocessor.SectionLayoutController; +import org.jfree.report.structure.Element; +import org.jfree.report.structure.Node; +import org.jfree.report.structure.Section; + +import org.pentaho.reporting.libraries.base.util.ObjectUtilities; + +/** + * Before writing the table cell, we have to evaluate the childs of the cell. The cell itself can either be empty or it + * has a one ore more paragraphs inside. The paragraph contains a single report element, but may contain additional + * other content. + * + * @author Thomas Morgner + * @noinspection CloneableClassWithoutClone + * @since 05.03.2007 + */ +public class TableCellLayoutController extends SectionLayoutController +{ + + public TableCellLayoutController() + { + } + + protected AttributeMap computeAttributes(final FlowController fc, + final Element element, + final ReportTarget target) + throws DataSourceException + { + final AttributeMap attributeMap = new AttributeMap(super.computeAttributes(fc, element, target)); + final String definedStyle = (String) attributeMap.getAttribute(OfficeNamespaces.TABLE_NS, OfficeToken.STYLE_NAME); + attributeMap.setAttribute(OfficeNamespaces.TABLE_NS, OfficeToken.STYLE_NAME, getDisplayStyleName((Section) element, definedStyle)); + + try + { + final DataFlags value = computeValue(attributeMap); + final String valueType = (String) attributeMap.getAttribute(OfficeNamespaces.OFFICE_NS, FormatValueUtility.VALUE_TYPE); + if (value != null) + { + FormatValueUtility.applyValueForCell(value.getValue(), attributeMap, valueType); + } + else if ( "float".equals(valueType)) + { + attributeMap.setAttribute(OfficeNamespaces.OFFICE_NS, + FormatValueUtility.VALUE, "NaN"); + } + // #i114108#: except on form elements, the only value-type that can + // occur without an accomanying value attribute is "string" + else if (!"string".equals(valueType)) + { + attributeMap.setAttribute(OfficeNamespaces.OFFICE_NS, + FormatValueUtility.VALUE_TYPE, "string"); + } + } + catch (Exception e) + { + // ignore .. + } + attributeMap.makeReadOnly(); + return attributeMap; + } + + private DataFlags computeValue(final AttributeMap attributeMap) throws DataSourceException + { + // Search for the first FormattedTextElement + final Section cell = (Section) getElement(); + final FormattedTextElement element = findFormattedTextElement(cell); + if (element == null) + { + return null; + } + final Expression dc = element.getDisplayCondition(); + if (dc != null) + { + final Object o = LayoutControllerUtil.evaluateExpression(getFlowController(), element, dc); + if (Boolean.FALSE.equals(o)) + { + attributeMap.setAttribute(OfficeNamespaces.OFFICE_NS, + FormatValueUtility.VALUE_TYPE, "string"); + return null; + } + } + return FormatValueUtility.computeDataFlag(element, getFlowController()); + } + + private FormattedTextElement findFormattedTextElement(final Section section) + { + final Node[] nodeArray = section.getNodeArray(); + for (int i = 0; i < nodeArray.length; i++) + { + final Node node = nodeArray[i]; + if (node instanceof FormattedTextElement) + { + return (FormattedTextElement) node; + } + else if (node instanceof Section) + { + final FormattedTextElement retval = findFormattedTextElement((Section) node); + if (retval != null) + { + return retval; + } + } + } + return null; + } + + private String getDisplayStyleName(final Section section, + final String defaultStyle) + { + if (!section.isEnabled() || section.getNodeCount() == 0) + { + return defaultStyle; + } + + final Node[] nodes = section.getNodeArray(); + for (int i = 0; i < nodes.length; i++) + { + final Node child = nodes[i]; + if (child instanceof ReportElement && child.isEnabled()) + { + final ReportElement element = (ReportElement) child; + if (element.getFormatConditionCount() > 0) + { + final Expression displayCond = element.getDisplayCondition(); + if (displayCond != null) + { + try + { + if (Boolean.FALSE.equals(LayoutControllerUtil.evaluateExpression(getFlowController(), element, displayCond))) + { + continue; + } + } + catch (DataSourceException e) + { + // ignore silently .. + } + } + + final FormatCondition[] conditions = element.getFormatConditions(); + for (int j = 0; j < conditions.length; j++) + { + final FormatCondition formCond = conditions[j]; + if (formCond.isEnabled()) + { + try + { + final Object o = LayoutControllerUtil.evaluateExpression(getFlowController(), element, formCond.getFormula()); + if (Boolean.TRUE.equals(o)) + { + return formCond.getStyleName(); + } + } + catch (DataSourceException e) + { + // ignore silently .. + } + } + } + } + } + + if (child instanceof Section) + { + final String childFormatCondition = + getDisplayStyleName((Section) child, defaultStyle); + if (!ObjectUtilities.equal(childFormatCondition, defaultStyle)) + { + return childFormatCondition; + } + } + } + return defaultStyle; + } +} |