[12074] | 1 | /*******************************************************************************
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| 2 | * You may amend and distribute as you like, but don't remove this header!
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| 3 | *
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| 4 | * EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
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| 5 | * See http://www.codeplex.com/EPPlus for details.
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| 6 | *
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| 7 | * Copyright (C) 2011 Jan Källman
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| 8 | *
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| 9 | * This library is free software; you can redistribute it and/or
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| 10 | * modify it under the terms of the GNU Lesser General Public
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| 11 | * License as published by the Free Software Foundation; either
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| 12 | * version 2.1 of the License, or (at your option) any later version.
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| 13 |
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| 14 | * This library is distributed in the hope that it will be useful,
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 17 | * See the GNU Lesser General Public License for more details.
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| 18 | *
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| 19 | * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
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| 20 | * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
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| 21 | *
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| 22 | * All code and executables are provided "as is" with no warranty either express or implied.
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| 23 | * The author accepts no liability for any damage or loss of business that this product may cause.
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| 24 | *
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| 25 | * Code change notes:
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| 26 | *
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| 27 | * Author Change Date
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| 28 | * ******************************************************************************
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| 29 | * Eyal Seagull Added 2012-04-03
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| 30 | *******************************************************************************/
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| 31 | using System;
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| 32 | using System.Collections.Generic;
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| 33 | using System.Linq;
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| 34 | using System.Text;
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| 35 | using System.Drawing;
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| 36 | using System.Xml;
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| 37 | using OfficeOpenXml.Utils;
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| 38 | using System.Text.RegularExpressions;
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| 39 | using System.Globalization;
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| 40 | using System.Security;
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| 41 |
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| 42 | namespace OfficeOpenXml.ConditionalFormatting
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| 43 | {
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| 44 | /// <summary>
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| 45 | /// 18.3.1.11 cfvo (Conditional Format Value Object)
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| 46 | /// Describes the values of the interpolation points in a gradient scale.
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| 47 | /// </summary>
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| 48 | public class ExcelConditionalFormattingColorScaleValue
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| 49 | : XmlHelper
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| 50 | {
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| 51 | /****************************************************************************************/
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| 52 |
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| 53 | #region Private Properties
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| 54 | private eExcelConditionalFormattingValueObjectPosition _position;
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| 55 | private eExcelConditionalFormattingRuleType _ruleType;
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| 56 | private ExcelWorksheet _worksheet;
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| 57 | #endregion Private Properties
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| 58 |
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| 59 | /****************************************************************************************/
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| 60 |
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| 61 | #region Constructors
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| 62 | /// <summary>
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| 63 | /// Initialize the cfvo (§18.3.1.11) node
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| 64 | /// </summary>
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| 65 | /// <param name="position"></param>
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| 66 | /// <param name="type"></param>
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| 67 | /// <param name="color"></param>
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| 68 | /// <param name="value"></param>
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| 69 | /// <param name="formula"></param>
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| 70 | /// <param name="ruleType"></param>
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| 71 | /// <param name="address"></param>
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| 72 | /// <param name="priority"></param>
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| 73 | /// <param name="worksheet"></param>
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| 74 | /// <param name="itemElementNode">The cfvo (§18.3.1.11) node parent. Can be any of the following:
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| 75 | /// colorScale (§18.3.1.16); dataBar (§18.3.1.28); iconSet (§18.3.1.49)</param>
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| 76 | /// <param name="namespaceManager"></param>
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| 77 | internal ExcelConditionalFormattingColorScaleValue(
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| 78 | eExcelConditionalFormattingValueObjectPosition position,
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| 79 | eExcelConditionalFormattingValueObjectType type,
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| 80 | Color color,
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| 81 | double value,
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| 82 | string formula,
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| 83 | eExcelConditionalFormattingRuleType ruleType,
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| 84 | ExcelAddress address,
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| 85 | int priority,
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| 86 | ExcelWorksheet worksheet,
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| 87 | XmlNode itemElementNode,
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| 88 | XmlNamespaceManager namespaceManager)
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| 89 | : base(
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| 90 | namespaceManager,
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| 91 | itemElementNode)
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| 92 | {
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| 93 | Require.Argument(priority).IsInRange(1, int.MaxValue, "priority");
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| 94 | Require.Argument(address).IsNotNull("address");
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| 95 | Require.Argument(worksheet).IsNotNull("worksheet");
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| 96 |
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| 97 | // Save the worksheet for private methods to use
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| 98 | _worksheet = worksheet;
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| 99 |
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| 100 | // Schema order list
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| 101 | SchemaNodeOrder = new string[]
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| 102 | {
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| 103 | ExcelConditionalFormattingConstants.Nodes.Cfvo,
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| 104 | ExcelConditionalFormattingConstants.Nodes.Color
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| 105 | };
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| 106 |
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| 107 | // Check if the parent does not exists
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| 108 | if (itemElementNode == null)
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| 109 | {
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| 110 | // Get the parent node path by the rule type
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| 111 | string parentNodePath = ExcelConditionalFormattingValueObjectType.GetParentPathByRuleType(
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| 112 | ruleType);
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| 113 |
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| 114 | // Check for en error (rule type does not have <cfvo>)
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| 115 | if (parentNodePath == string.Empty)
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| 116 | {
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| 117 | throw new Exception(
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| 118 | ExcelConditionalFormattingConstants.Errors.MissingCfvoParentNode);
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| 119 | }
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| 120 |
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| 121 | // Point to the <cfvo> parent node
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| 122 | itemElementNode = _worksheet.WorksheetXml.SelectSingleNode(
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| 123 | string.Format(
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| 124 | "//{0}[{1}='{2}']/{3}[{4}='{5}']/{6}",
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| 125 | // {0}
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| 126 | ExcelConditionalFormattingConstants.Paths.ConditionalFormatting,
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| 127 | // {1}
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| 128 | ExcelConditionalFormattingConstants.Paths.SqrefAttribute,
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| 129 | // {2}
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| 130 | address.Address,
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| 131 | // {3}
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| 132 | ExcelConditionalFormattingConstants.Paths.CfRule,
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| 133 | // {4}
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| 134 | ExcelConditionalFormattingConstants.Paths.PriorityAttribute,
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| 135 | // {5}
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| 136 | priority,
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| 137 | // {6}
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| 138 | parentNodePath),
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| 139 | _worksheet.NameSpaceManager);
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| 140 |
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| 141 | // Check for en error (rule type does not have <cfvo>)
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| 142 | if (itemElementNode == null)
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| 143 | {
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| 144 | throw new Exception(
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| 145 | ExcelConditionalFormattingConstants.Errors.MissingCfvoParentNode);
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| 146 | }
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| 147 | }
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| 148 |
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| 149 | // Point to the <cfvo> parent node (<colorScale>, <dataBar> or <iconSet>)
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| 150 | // This is different than normal, as TopNode does not point to the node itself but to
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| 151 | // its PARENT. Later, in the CreateNodeByOrdem method the TopNode will be updated.
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| 152 | TopNode = itemElementNode;
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| 153 |
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| 154 | // Save the attributes
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| 155 | Position = position;
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| 156 | RuleType = ruleType;
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| 157 | Type = type;
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| 158 | Color = color;
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| 159 | Value = value;
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| 160 | Formula = formula;
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| 161 | }
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| 162 |
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| 163 | /// <summary>
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| 164 | /// Initialize the <see cref="ExcelConditionalFormattingColorScaleValue"/>
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| 165 | /// </summary>
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| 166 | /// <param name="position"></param>
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| 167 | /// <param name="type"></param>
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| 168 | /// <param name="color"></param>
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| 169 | /// <param name="value"></param>
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| 170 | /// <param name="formula"></param>
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| 171 | /// <param name="ruleType"></param>
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| 172 | /// <param name="priority"></param>
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| 173 | /// <param name="address"></param>
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| 174 | /// <param name="worksheet"></param>
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| 175 | /// <param name="namespaceManager"></param>
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| 176 | internal ExcelConditionalFormattingColorScaleValue(
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| 177 | eExcelConditionalFormattingValueObjectPosition position,
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| 178 | eExcelConditionalFormattingValueObjectType type,
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| 179 | Color color,
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| 180 | double value,
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| 181 | string formula,
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| 182 | eExcelConditionalFormattingRuleType ruleType,
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| 183 | ExcelAddress address,
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| 184 | int priority,
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| 185 | ExcelWorksheet worksheet,
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| 186 | XmlNamespaceManager namespaceManager)
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| 187 | : this(
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| 188 | position,
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| 189 | type,
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| 190 | color,
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| 191 | value,
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| 192 | formula,
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| 193 | ruleType,
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| 194 | address,
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| 195 | priority,
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| 196 | worksheet,
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| 197 | null,
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| 198 | namespaceManager)
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| 199 | {
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| 200 | }
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| 201 |
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| 202 | /// <summary>
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| 203 | /// Initialize the <see cref="ExcelConditionalFormattingColorScaleValue"/>
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| 204 | /// </summary>
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| 205 | /// <param name="position"></param>
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| 206 | /// <param name="type"></param>
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| 207 | /// <param name="color"></param>
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| 208 | /// <param name="ruleType"></param>
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| 209 | /// <param name="priority"></param>
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| 210 | /// <param name="address"></param>
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| 211 | /// <param name="worksheet"></param>
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| 212 | /// <param name="namespaceManager"></param>
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| 213 | internal ExcelConditionalFormattingColorScaleValue(
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| 214 | eExcelConditionalFormattingValueObjectPosition position,
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| 215 | eExcelConditionalFormattingValueObjectType type,
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| 216 | Color color,
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| 217 | eExcelConditionalFormattingRuleType ruleType,
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| 218 | ExcelAddress address,
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| 219 | int priority,
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| 220 | ExcelWorksheet worksheet,
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| 221 | XmlNamespaceManager namespaceManager)
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| 222 | : this(
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| 223 | position,
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| 224 | type,
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| 225 | color,
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| 226 | 0,
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| 227 | null,
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| 228 | ruleType,
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| 229 | address,
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| 230 | priority,
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| 231 | worksheet,
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| 232 | null,
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| 233 | namespaceManager)
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| 234 | {
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| 235 | }
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| 236 | #endregion Constructors
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| 237 |
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| 238 | /****************************************************************************************/
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| 239 |
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| 240 | #region Methods
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| 241 | /// <summary>
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| 242 | /// Get the node order (1, 2 ou 3) according to the Position (Low, Middle and High)
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| 243 | /// and the Rule Type (TwoColorScale ou ThreeColorScale).
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| 244 | /// </summary>
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| 245 | /// <returns></returns>
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| 246 | private int GetNodeOrder()
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| 247 | {
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| 248 | return ExcelConditionalFormattingValueObjectType.GetOrderByPosition(
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| 249 | Position,
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| 250 | RuleType);
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| 251 | }
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| 252 |
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| 253 | /// <summary>
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| 254 | /// Create the 'cfvo'/'color' nodes in the right order. They should appear like this:
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| 255 | /// "cfvo" --> Low Value (value object)
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| 256 | /// "cfvo" --> Middle Value (value object)
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| 257 | /// "cfvo" --> High Value (value object)
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| 258 | /// "color" --> Low Value (color)
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| 259 | /// "color" --> Middle Value (color)
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| 260 | /// "color" --> High Value (color)
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| 261 | /// </summary>
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| 262 | /// <param name="nodeType"></param>
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| 263 | /// <param name="attributePath"></param>
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| 264 | /// <param name="attributeValue"></param>
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| 265 | private void CreateNodeByOrdem(
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| 266 | eExcelConditionalFormattingValueObjectNodeType nodeType,
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| 267 | string attributePath,
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| 268 | string attributeValue)
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| 269 | {
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| 270 | // Save the current TopNode
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| 271 | XmlNode currentTopNode = TopNode;
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| 272 |
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| 273 | string nodePath = ExcelConditionalFormattingValueObjectType.GetNodePathByNodeType(nodeType);
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| 274 | int nodeOrder = GetNodeOrder();
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| 275 | eNodeInsertOrder nodeInsertOrder = eNodeInsertOrder.SchemaOrder;
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| 276 | XmlNode referenceNode = null;
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| 277 |
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| 278 | if (nodeOrder > 1)
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| 279 | {
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| 280 | // Find the node just before the one we need to include
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| 281 | referenceNode = TopNode.SelectSingleNode(
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| 282 | string.Format(
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| 283 | "{0}[position()={1}]",
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| 284 | // {0}
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| 285 | nodePath,
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| 286 | // {1}
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| 287 | nodeOrder - 1),
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| 288 | _worksheet.NameSpaceManager);
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| 289 |
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| 290 | // Only if the prepend node exists than insert after
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| 291 | if (referenceNode != null)
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| 292 | {
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| 293 | nodeInsertOrder = eNodeInsertOrder.After;
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| 294 | }
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| 295 | }
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| 296 |
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| 297 | // Create the node in the right order
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| 298 | var node = CreateComplexNode(
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| 299 | TopNode,
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| 300 | string.Format(
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| 301 | "{0}[position()={1}]",
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| 302 | // {0}
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| 303 | nodePath,
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| 304 | // {1}
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| 305 | nodeOrder),
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| 306 | nodeInsertOrder,
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| 307 | referenceNode);
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| 308 |
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| 309 | // Point to the new node as the temporary TopNode (we need it for the XmlHelper functions)
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| 310 | TopNode = node;
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| 311 |
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| 312 | // Add/Remove the attribute (if the attributeValue is empty then it will be removed)
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| 313 | SetXmlNodeString(
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| 314 | node,
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| 315 | attributePath,
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| 316 | attributeValue,
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| 317 | true);
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| 318 |
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| 319 | // Point back to the <cfvo>/<color> parent node
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| 320 | TopNode = currentTopNode;
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| 321 | }
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| 322 | #endregion Methos
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| 323 |
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| 324 | /****************************************************************************************/
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| 325 |
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| 326 | #region Exposed Properties
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| 327 | /// <summary>
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| 328 | ///
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| 329 | /// </summary>
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| 330 | internal eExcelConditionalFormattingValueObjectPosition Position
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| 331 | {
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| 332 | get { return _position; }
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| 333 | set { _position = value; }
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| 334 | }
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| 335 |
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| 336 | /// <summary>
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| 337 | ///
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| 338 | /// </summary>
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| 339 | internal eExcelConditionalFormattingRuleType RuleType
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| 340 | {
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| 341 | get { return _ruleType; }
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| 342 | set { _ruleType = value; }
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| 343 | }
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| 344 |
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| 345 | /// <summary>
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| 346 | ///
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| 347 | /// </summary>
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| 348 | public eExcelConditionalFormattingValueObjectType Type
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| 349 | {
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| 350 | get
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| 351 | {
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| 352 | var typeAttribute = GetXmlNodeString(
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| 353 | string.Format(
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| 354 | "{0}[position()={1}]/{2}",
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| 355 | // {0}
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| 356 | ExcelConditionalFormattingConstants.Paths.Cfvo,
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| 357 | // {1}
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| 358 | GetNodeOrder(),
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| 359 | // {2}
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| 360 | ExcelConditionalFormattingConstants.Paths.TypeAttribute));
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| 361 |
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| 362 | return ExcelConditionalFormattingValueObjectType.GetTypeByAttrbiute(typeAttribute);
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| 363 | }
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| 364 | set
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| 365 | {
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| 366 | CreateNodeByOrdem(
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| 367 | eExcelConditionalFormattingValueObjectNodeType.Cfvo,
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| 368 | ExcelConditionalFormattingConstants.Paths.TypeAttribute,
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| 369 | ExcelConditionalFormattingValueObjectType.GetAttributeByType(value));
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| 370 |
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| 371 | bool removeValAttribute = false;
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| 372 |
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| 373 | // Make sure unnecessary attributes are removed (occures when we change
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| 374 | // the value object type)
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| 375 | switch (Type)
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| 376 | {
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| 377 | case eExcelConditionalFormattingValueObjectType.Min:
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| 378 | case eExcelConditionalFormattingValueObjectType.Max:
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| 379 | removeValAttribute = true;
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| 380 | break;
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| 381 | }
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| 382 |
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| 383 | // Check if we need to remove the @val attribute
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| 384 | if (removeValAttribute)
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| 385 | {
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| 386 | string nodePath = ExcelConditionalFormattingValueObjectType.GetNodePathByNodeType(
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| 387 | eExcelConditionalFormattingValueObjectNodeType.Cfvo);
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| 388 | int nodeOrder = GetNodeOrder();
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| 389 |
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| 390 | // Remove the attribute (removed when the value = '')
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| 391 | CreateComplexNode(
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| 392 | TopNode,
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| 393 | string.Format(
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| 394 | "{0}[position()={1}]/{2}=''",
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| 395 | // {0}
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| 396 | nodePath,
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| 397 | // {1}
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| 398 | nodeOrder,
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| 399 | // {2}
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| 400 | ExcelConditionalFormattingConstants.Paths.ValAttribute));
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| 401 | }
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| 402 | }
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| 403 | }
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| 404 |
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| 405 | /// <summary>
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| 406 | ///
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| 407 | /// </summary>
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| 408 | public Color Color
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| 409 | {
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| 410 | get
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| 411 | {
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| 412 | // Color Code like "FF5B34F2"
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| 413 | var colorCode = GetXmlNodeString(
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| 414 | string.Format(
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| 415 | "{0}[position()={1}]/{2}",
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| 416 | // {0}
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| 417 | ExcelConditionalFormattingConstants.Paths.Color,
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| 418 | // {1}
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| 419 | GetNodeOrder(),
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| 420 | // {2}
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| 421 | ExcelConditionalFormattingConstants.Paths.RgbAttribute));
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| 422 |
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| 423 | return ExcelConditionalFormattingHelper.ConvertFromColorCode(colorCode);
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| 424 | }
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| 425 | set
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| 426 | {
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| 427 | // Use the color code to store (Ex. "FF5B35F2")
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| 428 | CreateNodeByOrdem(
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| 429 | eExcelConditionalFormattingValueObjectNodeType.Color,
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| 430 | ExcelConditionalFormattingConstants.Paths.RgbAttribute,
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| 431 | value.ToArgb().ToString("x"));
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| 432 | }
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| 433 | }
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| 434 |
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| 435 | /// <summary>
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| 436 | /// Get/Set the 'cfvo' node @val attribute
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| 437 | /// </summary>
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| 438 | public Double Value
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| 439 | {
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| 440 | get
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| 441 | {
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| 442 | return GetXmlNodeDouble(
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| 443 | string.Format(
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| 444 | "{0}[position()={1}]/{2}",
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| 445 | // {0}
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| 446 | ExcelConditionalFormattingConstants.Paths.Cfvo,
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| 447 | // {1}
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| 448 | GetNodeOrder(),
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| 449 | // {2}
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| 450 | ExcelConditionalFormattingConstants.Paths.ValAttribute));
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| 451 | }
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| 452 | set
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| 453 | {
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| 454 | string valueToStore = string.Empty;
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| 455 |
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| 456 | // Only some types use the @val attribute
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| 457 | if ((Type == eExcelConditionalFormattingValueObjectType.Num)
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| 458 | || (Type == eExcelConditionalFormattingValueObjectType.Percent)
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| 459 | || (Type == eExcelConditionalFormattingValueObjectType.Percentile))
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| 460 | {
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| 461 | valueToStore = value.ToString();
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| 462 | }
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| 463 |
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| 464 | CreateNodeByOrdem(
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| 465 | eExcelConditionalFormattingValueObjectNodeType.Cfvo,
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| 466 | ExcelConditionalFormattingConstants.Paths.ValAttribute,
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| 467 | valueToStore);
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| 468 | }
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| 469 | }
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| 470 |
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| 471 | /// <summary>
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| 472 | /// Get/Set the Formula of the Object Value (uses the same attribute as the Value)
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| 473 | /// </summary>
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| 474 | public string Formula
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| 475 | {
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| 476 | get
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| 477 | {
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| 478 | // Return empty if the Object Value type is not Formula
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| 479 | if (Type != eExcelConditionalFormattingValueObjectType.Formula)
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| 480 | {
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| 481 | return string.Empty;
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| 482 | }
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| 483 |
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| 484 | // Excel stores the formula in the @val attribute
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| 485 | return GetXmlNodeString(
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| 486 | string.Format(
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| 487 | "{0}[position()={1}]/{2}",
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| 488 | // {0}
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| 489 | ExcelConditionalFormattingConstants.Paths.Cfvo,
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| 490 | // {1}
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| 491 | GetNodeOrder(),
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| 492 | // {2}
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| 493 | ExcelConditionalFormattingConstants.Paths.ValAttribute));
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| 494 | }
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| 495 | set
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| 496 | {
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| 497 | // Only store the formula if the Object Value type is Formula
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| 498 | if (Type == eExcelConditionalFormattingValueObjectType.Formula)
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| 499 | {
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| 500 | CreateNodeByOrdem(
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| 501 | eExcelConditionalFormattingValueObjectNodeType.Cfvo,
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| 502 | ExcelConditionalFormattingConstants.Paths.ValAttribute,
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| 503 | (value == null) ? string.Empty : value.ToString());
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| 504 | }
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| 505 | }
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| 506 | }
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| 507 | #endregion Exposed Properties
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| 508 |
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| 509 | /****************************************************************************************/
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| 510 | }
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| 511 | } |
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