/* ====================================================================
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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.SS.Formula
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{
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using System;
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using System.Text;
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using HH.WMS.Utils.NPOI.SS.Formula;
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using HH.WMS.Utils.NPOI.SS.Formula.Eval;
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using HH.WMS.Utils.NPOI.SS.Util;
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using HH.WMS.Utils.NPOI.SS.Formula.PTG;
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/**
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*
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* @author Josh Micich
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*/
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public class LazyAreaEval : AreaEvalBase
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{
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private SheetRefEvaluator _evaluator;
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public LazyAreaEval(AreaI ptg, SheetRefEvaluator evaluator):base(ptg)
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{
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_evaluator = evaluator;
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}
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public LazyAreaEval(int firstRowIndex, int firstColumnIndex, int lastRowIndex,
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int lastColumnIndex, SheetRefEvaluator evaluator):
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base(firstRowIndex, firstColumnIndex, lastRowIndex, lastColumnIndex)
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{
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_evaluator = evaluator;
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}
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public override ValueEval GetRelativeValue(int relativeRowIndex, int relativeColumnIndex)
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{
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int rowIx = (relativeRowIndex + FirstRow) & 0xFFFF;
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int colIx = (relativeColumnIndex + FirstColumn) & 0x00FF;
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return _evaluator.GetEvalForCell(rowIx, colIx);
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}
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public override TwoDEval GetRow(int rowIndex)
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{
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if (rowIndex >= Height)
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{
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throw new ArgumentException("Invalid rowIndex " + rowIndex
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+ ". Allowable range is (0.." + Height + ").");
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}
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int absRowIx = FirstRow + rowIndex;
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return new LazyAreaEval(absRowIx, FirstColumn, absRowIx, LastColumn, _evaluator);
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}
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public override TwoDEval GetColumn(int columnIndex)
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{
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if (columnIndex >= Width)
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{
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throw new ArgumentException("Invalid columnIndex " + columnIndex
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+ ". Allowable range is (0.." + Width + ").");
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}
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int absColIx = FirstColumn + columnIndex;
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return new LazyAreaEval(FirstRow, absColIx, LastRow, absColIx, _evaluator);
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}
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public override AreaEval Offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx, int relLastColIx)
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{
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AreaI area = new OffsetArea(FirstRow, FirstColumn,
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relFirstRowIx, relLastRowIx, relFirstColIx, relLastColIx);
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return new LazyAreaEval(area, _evaluator);
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}
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public override String ToString()
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{
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CellReference crA = new CellReference(FirstRow, FirstColumn);
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CellReference crB = new CellReference(LastRow, LastColumn);
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StringBuilder sb = new StringBuilder();
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sb.Append(GetType().Name).Append("[");
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sb.Append(_evaluator.SheetName);
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sb.Append('!');
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sb.Append(crA.FormatAsString());
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sb.Append(':');
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sb.Append(crB.FormatAsString());
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sb.Append("]");
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return sb.ToString();
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}
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/**
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* @return whether cell at rowIndex and columnIndex is a subtotal
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*/
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public override bool IsSubTotal(int rowIndex, int columnIndex)
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{
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// delegate the query to the sheet evaluator which has access to internal ptgs
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return _evaluator.IsSubTotal(rowIndex, columnIndex);
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}
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}
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}
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