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root / sqs-reader / src / main / java / net / sqs2 / omr / result / path / MultiRowMultiQuestionPageSelection.java @ 1847

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package net.sqs2.omr.result.path;
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import java.util.ArrayList;





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import java.util.List;





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import net.sqs2.omr.master.FormArea;





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import net.sqs2.omr.model.Answer;





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import net.sqs2.omr.model.Row;





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import net.sqs2.omr.model.RowAccessor;





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import net.sqs2.omr.model.RowID;





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public class MultiRowMultiQuestionPageSelection extends MultiRowMultiQuestionSelection {





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        public static final int NUM_MAX_ITEMS_WITHIN_A_PAGE = 50;





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        List<Answer> answerList;





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        public MultiRowMultiQuestionPageSelection(MultiRowMultiQuestionPagePath multiRowMultiQuestionPagePath) {





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                this(multiRowMultiQuestionPagePath, NUM_MAX_ITEMS_WITHIN_A_PAGE);





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        }





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        public MultiRowMultiQuestionPageSelection(MultiRowMultiQuestionPagePath multiRowMultiQuestionPagePath, int numMaxItems) {





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                super(multiRowMultiQuestionPagePath);





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                int startIndex = multiRowMultiQuestionPagePath.getStartIndex();





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                int endIndex = multiRowMultiQuestionPagePath.getEndIndex();





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                RowAccessor rowAccessor = sessionSource.getContentAccessor().getRowAccessor();





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                if(0 <= startIndex && endIndex < 0){





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                        answerList = forwardSearch(rowAccessor, numMaxItems);





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                }else if(0 <= endIndex && startIndex < 0){





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                        answerList = backwardSearch(rowAccessor, numMaxItems);





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                }else{





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                        throw new IllegalArgumentException();





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                }





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        }





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        private ArrayList<Answer> forwardSearch(RowAccessor rowAccessor, int numMaxItems){





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                // forward search





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                return forwardSearch(rowAccessor, new ArrayList<Answer>(), numMaxItems);        





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        }





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        private ArrayList<Answer> forwardSearch(RowAccessor rowAccessor, ArrayList<Answer> answerList, int numMaxItems){





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                // forward search





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                int numFocused = 0;





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                ITEM_LOOP: for(RowID rowID: rowIDList){





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                        Row row = rowAccessor.get(formMaster.getRelativePath(), rowID.getSpreadSheet().getSourceDirectory().getRelativePath(), rowID.getRowIndex());





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                        for(List<FormArea> formAreaList: getFormAreaListList()){





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                                if(numFocused < numMaxItems){





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                                        int questionIndex = formAreaList.get(0).getQuestionIndex();





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                                        answerList.add(row.getAnswer(questionIndex));





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                                        numFocused++;





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                                }else{





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                                        break ITEM_LOOP;





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                                }





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                        }





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                }





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                return answerList;





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        }





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        private ArrayList<Answer> backwardSearch(RowAccessor rowAccessor, int numMaxItems){





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                // forward search





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                return backwardSearch(rowAccessor, new ArrayList<Answer>(), numMaxItems);        





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        }





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        private ArrayList<Answer> backwardSearch(RowAccessor rowAccessor, ArrayList<Answer> answerList, int numMaxItems){





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                // backward search





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                int numFocused = 0;





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                ITEM_LOOP: for(int rowIndex = rowIDList.size() - 1; 0 <= rowIndex; rowIndex--){





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                        RowID rowID = rowIDList.get(rowIndex);





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                        Row row = rowAccessor.get(formMaster.getRelativePath(), rowID.getSpreadSheet().getSourceDirectory().getRelativePath(), rowID.getRowIndex());





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                        List<List<FormArea>> formAreaListList = getFormAreaListList();





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                        for(int columnIndex = formAreaListList.size() - 1; 0 <= columnIndex; columnIndex--){





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                                 List<FormArea> formAreaList = formAreaListList.get(columnIndex);





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                                if(numFocused < numMaxItems){





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                                        int questionIndex = formAreaList.get(0).getQuestionIndex();





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                                        answerList.add(row.getAnswer(questionIndex));





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                                        numFocused++;





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                                }else{





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                                        break ITEM_LOOP;





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                                }





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                        }





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                }





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                return answerList;





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        }





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}