/* ====================================================================
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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.PTG
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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.Util;
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using HH.WMS.Utils.NPOI.HSSF.Record;
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using HH.WMS.Utils.NPOI.SS.Util;
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/**
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* ReferencePtgBase - handles references (such as A1, A2, IA4)
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* @author Andrew C. Oliver (acoliver@apache.org)
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* @author Jason Height (jheight at chariot dot net dot au)
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*/
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[Serializable]
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public abstract class RefPtgBase : OperandPtg
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{
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private static int MAX_ROW_NUMBER = 65536;
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/** The row index - zero based Unsigned 16 bit value */
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private int field_1_row;
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/** Field 2
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* - lower 8 bits is the zero based Unsigned byte column index
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* - bit 16 - IsRowRelative
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* - bit 15 - IsColumnRelative
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*/
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private int field_2_col;
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private static BitField rowRelative = BitFieldFactory.GetInstance(0x8000);
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private static BitField colRelative = BitFieldFactory.GetInstance(0x4000);
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private static BitField column = BitFieldFactory.GetInstance(0x3FFF);
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protected RefPtgBase()
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{
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//Required for Clone methods
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}
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/**
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* Takes in a String representation of a cell reference and Fills out the
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* numeric fields.
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*/
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protected RefPtgBase(String cellref)
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{
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CellReference c = new CellReference(cellref);
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Row = c.Row;
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Column = c.Col;
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IsColRelative = !c.IsColAbsolute;
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IsRowRelative = !c.IsRowAbsolute;
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}
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protected RefPtgBase(CellReference c)
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{
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Row = (c.Row);
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Column = (c.Col);
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IsColRelative = (!c.IsColAbsolute);
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IsRowRelative = (!c.IsRowAbsolute);
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}
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protected RefPtgBase(int row, int column, bool isRowRelative, bool isColumnRelative)
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{
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this.Row = row;
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this.Column = column;
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this.IsRowRelative = isRowRelative;
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this.IsColRelative = isColumnRelative;
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}
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protected RefPtgBase(ILittleEndianInput in1)
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{
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field_1_row = in1.ReadUShort();
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field_2_col = in1.ReadUShort();
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}
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protected void ReadCoordinates(ILittleEndianInput in1)
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{
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field_1_row = in1.ReadUShort();
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field_2_col = in1.ReadUShort();
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}
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protected void WriteCoordinates(ILittleEndianOutput out1)
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{
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out1.WriteShort(field_1_row);
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out1.WriteShort(field_2_col);
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}
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protected void WriteCoordinates(byte[] array, int offset)
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{
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LittleEndian.PutUShort(array, offset + 0, field_1_row);
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LittleEndian.PutUShort(array, offset + 2, field_2_col);
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}
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/**
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* Returns the row number as a short, which will be
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* wrapped (negative) for values between 32769 and 65535
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*/
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public int Row
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{
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get { return field_1_row; }
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set
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{
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if (value < 0 || value >= MAX_ROW_NUMBER)
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{
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throw new ArgumentException("The row number, when specified as an integer, must be between 0 and " + MAX_ROW_NUMBER);
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}
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field_1_row = value;
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}
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}
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/**
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* Returns the row number as an int, between 0 and 65535
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*/
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public int RowAsInt
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{
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get { return field_1_row; }
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}
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public bool IsRowRelative
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{
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get { return rowRelative.IsSet(field_2_col); }
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set
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{
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field_2_col = rowRelative.SetBoolean(field_2_col, value);
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}
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}
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public bool IsColRelative
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{
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get { return colRelative.IsSet(field_2_col); }
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set
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{
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field_2_col = colRelative.SetBoolean(field_2_col, value);
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}
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}
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public int ColumnRawX
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{
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get { return field_2_col; }
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set { field_2_col = value; }
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}
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public int Column
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{
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get { return column.GetValue(field_2_col); }
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set
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{
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/*
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if (value < 0 || value >= 0x100)
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{
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throw new ArgumentException("Specified colIx (" + value + ") is out of range");
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}*/
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field_2_col = column.SetValue(field_2_col, value);
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}
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}
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public String FormatReferenceAsString()
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{
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// Only make cell references as needed. Memory is an issue
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CellReference cr = new CellReference(Row, Column, !IsRowRelative, !IsColRelative);
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return cr.FormatAsString();
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}
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public override byte DefaultOperandClass
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{
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get { return Ptg.CLASS_REF; }
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}
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}
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}
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