| /************************************************************** |
| * |
| * 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.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; |
| } |
| } |