/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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namespace HH.WMS.Utils.NPOI.HSSF.Record.Aggregates
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{
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using System;
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using HH.WMS.Utils.NPOI.HSSF.Model;
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using HH.WMS.Utils.NPOI.HSSF.Record;
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using System.Collections.Generic;
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/**
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* Manages the all the records associated with a 'Custom View Settings' sub-stream.<br/>
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* Includes the Initial USERSVIEWBEGIN(0x01AA) and USERSVIEWEND(0x01AB).
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*
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* @author Josh Micich
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*/
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public class CustomViewSettingsRecordAggregate : RecordAggregate
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{
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private Record _begin;
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private Record _end;
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/**
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* All the records between BOF and EOF
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*/
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private List<RecordBase> _recs;
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private PageSettingsBlock _psBlock;
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public CustomViewSettingsRecordAggregate(RecordStream rs)
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{
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_begin = rs.GetNext();
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if (_begin.Sid != UserSViewBegin.sid)
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{
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throw new InvalidOperationException("Bad begin record");
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}
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List<RecordBase> temp = new List<RecordBase>();
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while (rs.PeekNextSid() != UserSViewEnd.sid)
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{
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if (PageSettingsBlock.IsComponentRecord(rs.PeekNextSid()))
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{
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if (_psBlock != null)
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{
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throw new InvalidOperationException(
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"Found more than one PageSettingsBlock in custom view Settings sub-stream");
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}
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_psBlock = new PageSettingsBlock(rs);
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temp.Add(_psBlock);
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continue;
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}
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temp.Add(rs.GetNext());
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}
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_recs = temp;
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_end = rs.GetNext(); // no need to save EOF in field
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if (_end.Sid != UserSViewEnd.sid)
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{
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throw new InvalidOperationException("Bad custom view Settings end record");
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}
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}
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public override void VisitContainedRecords(RecordVisitor rv)
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{
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if (_recs.Count == 0)
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{
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return;
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}
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rv.VisitRecord(_begin);
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for (int i = 0; i < _recs.Count; i++)
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{
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RecordBase rb = _recs[i];
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if (rb is RecordAggregate)
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{
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((RecordAggregate)rb).VisitContainedRecords(rv);
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}
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else
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{
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rv.VisitRecord((Record)rb);
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}
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}
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rv.VisitRecord(_end);
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}
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public static bool IsBeginRecord(int sid)
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{
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return sid == UserSViewBegin.sid;
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}
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public void Append(RecordBase r)
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{
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_recs.Add(r);
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}
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}
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}
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