1*1a37d047SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*1a37d047SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*1a37d047SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*1a37d047SAndrew Rist * distributed with this work for additional information 6*1a37d047SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*1a37d047SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*1a37d047SAndrew Rist * "License"); you may not use this file except in compliance 9*1a37d047SAndrew Rist * with the License. You may obtain a copy of the License at 10*1a37d047SAndrew Rist * 11*1a37d047SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*1a37d047SAndrew Rist * 13*1a37d047SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*1a37d047SAndrew Rist * software distributed under the License is distributed on an 15*1a37d047SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*1a37d047SAndrew Rist * KIND, either express or implied. See the License for the 17*1a37d047SAndrew Rist * specific language governing permissions and limitations 18*1a37d047SAndrew Rist * under the License. 19*1a37d047SAndrew Rist * 20*1a37d047SAndrew Rist *************************************************************/ 21*1a37d047SAndrew Rist 22*1a37d047SAndrew Rist 23cdf0e10cSrcweir package com.sun.star.report.pentaho.layoutprocessor; 24cdf0e10cSrcweir 25cdf0e10cSrcweir import com.sun.star.report.pentaho.model.FormattedTextElement; 26cdf0e10cSrcweir 27cdf0e10cSrcweir import java.util.ArrayList; 28cdf0e10cSrcweir import java.util.List; 29cdf0e10cSrcweir 30cdf0e10cSrcweir 31cdf0e10cSrcweir /** 32cdf0e10cSrcweir * A variables collection is used to collect all FormattedTextElement objects 33cdf0e10cSrcweir * of a repeated header or footer. Later, for each of these elements a variable 34cdf0e10cSrcweir * setter is inserted into a hidden (in fact just very small) paragraph. These 35cdf0e10cSrcweir * variables can later be read using the 'variable-get' construct. 36cdf0e10cSrcweir * 37cdf0e10cSrcweir * From the idea, this is equal to the 'strings' declaration of CSS3, although 38cdf0e10cSrcweir * this code is explicit instead of declarative. 39cdf0e10cSrcweir * 40cdf0e10cSrcweir * @author Thomas Morgner 41cdf0e10cSrcweir * @since 22.03.2007 42cdf0e10cSrcweir */ 43cdf0e10cSrcweir public class VariablesCollection 44cdf0e10cSrcweir { 45cdf0e10cSrcweir 46cdf0e10cSrcweir private VariablesCollection parent; 47cdf0e10cSrcweir private String namePrefix; 48cdf0e10cSrcweir private List variables; 49cdf0e10cSrcweir VariablesCollection(final String namePrefix)50cdf0e10cSrcweir public VariablesCollection(final String namePrefix) 51cdf0e10cSrcweir { 52cdf0e10cSrcweir this(namePrefix, null); 53cdf0e10cSrcweir } 54cdf0e10cSrcweir VariablesCollection(final String namePrefix, final VariablesCollection parent)55cdf0e10cSrcweir public VariablesCollection(final String namePrefix, final VariablesCollection parent) 56cdf0e10cSrcweir { 57cdf0e10cSrcweir if (namePrefix == null) 58cdf0e10cSrcweir { 59cdf0e10cSrcweir throw new NullPointerException("NamePrefix cannot be null"); 60cdf0e10cSrcweir } 61cdf0e10cSrcweir 62cdf0e10cSrcweir this.namePrefix = namePrefix; 63cdf0e10cSrcweir this.parent = parent; 64cdf0e10cSrcweir this.variables = new ArrayList(); 65cdf0e10cSrcweir } 66cdf0e10cSrcweir getParent()67cdf0e10cSrcweir public VariablesCollection getParent() 68cdf0e10cSrcweir { 69cdf0e10cSrcweir return parent; 70cdf0e10cSrcweir } 71cdf0e10cSrcweir getNamePrefix()72cdf0e10cSrcweir public String getNamePrefix() 73cdf0e10cSrcweir { 74cdf0e10cSrcweir return namePrefix; 75cdf0e10cSrcweir } 76cdf0e10cSrcweir addVariable(final FormattedTextElement element)77cdf0e10cSrcweir public String addVariable(final FormattedTextElement element) 78cdf0e10cSrcweir { 79cdf0e10cSrcweir variables.add(element); 80cdf0e10cSrcweir final int size = variables.size(); 81cdf0e10cSrcweir return namePrefix + size; 82cdf0e10cSrcweir } 83cdf0e10cSrcweir getVariables()84cdf0e10cSrcweir public FormattedTextElement[] getVariables() 85cdf0e10cSrcweir { 86cdf0e10cSrcweir return (FormattedTextElement[]) variables.toArray(new FormattedTextElement[variables.size()]); 87cdf0e10cSrcweir } 88cdf0e10cSrcweir getVariablesCount()89cdf0e10cSrcweir public int getVariablesCount() 90cdf0e10cSrcweir { 91cdf0e10cSrcweir return variables.size(); 92cdf0e10cSrcweir } 93cdf0e10cSrcweir } 94