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 | * Jan Källman Added 2009-10-01
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30 | * Jan Källman License changed GPL-->LGPL 2011-12-16
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31 | *******************************************************************************/
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32 | using System;
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33 | using System.Collections.Generic;
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34 | using System.Text;
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35 | using System.Xml;
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36 | using OfficeOpenXml.Style;
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37 |
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38 | namespace OfficeOpenXml.Drawing.Chart
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39 | {
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40 | /// <summary>
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41 | /// The title of a chart
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42 | /// </summary>
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43 | public class ExcelChartTitle : XmlHelper
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44 | {
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45 | internal ExcelChartTitle(XmlNamespaceManager nameSpaceManager, XmlNode node) :
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46 | base(nameSpaceManager, node)
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47 | {
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48 | XmlNode topNode = node.SelectSingleNode("c:title", NameSpaceManager);
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49 | if (topNode == null)
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50 | {
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51 | topNode = node.OwnerDocument.CreateElement("c", "title", ExcelPackage.schemaChart);
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52 | node.InsertBefore(topNode, node.ChildNodes[0]);
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53 | topNode.InnerXml = "<c:tx><c:rich><a:bodyPr /><a:lstStyle /><a:p><a:r><a:t /></a:r></a:p></c:rich></c:tx><c:layout /><c:overlay val=\"0\" />";
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54 | }
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55 | TopNode = topNode;
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56 | SchemaNodeOrder = new string[] { "tx","bodyPr", "lstStyle", "layout", "overlay" };
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57 | }
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58 | const string titlePath = "c:tx/c:rich/a:p/a:r/a:t";
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59 | /// <summary>
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60 | /// The text
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61 | /// </summary>
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62 | public string Text
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63 | {
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64 | get
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65 | {
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66 | //return GetXmlNode(titlePath);
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67 | return RichText.Text;
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68 | }
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69 | set
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70 | {
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71 | //SetXmlNode(titlePath, value);
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72 | RichText.Text = value;
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73 | }
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74 | }
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75 | ExcelDrawingBorder _border = null;
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76 | /// <summary>
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77 | /// A reference to the border properties
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78 | /// </summary>
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79 | public ExcelDrawingBorder Border
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80 | {
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81 | get
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82 | {
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83 | if (_border == null)
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84 | {
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85 | _border = new ExcelDrawingBorder(NameSpaceManager, TopNode, "c:spPr/a:ln");
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86 | }
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87 | return _border;
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88 | }
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89 | }
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90 | ExcelDrawingFill _fill = null;
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91 | /// <summary>
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92 | /// A reference to the fill properties
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93 | /// </summary>
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94 | public ExcelDrawingFill Fill
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95 | {
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96 | get
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97 | {
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98 | if (_fill == null)
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99 | {
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100 | _fill = new ExcelDrawingFill(NameSpaceManager, TopNode, "c:spPr");
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101 | }
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102 | return _fill;
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103 | }
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104 | }
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105 | //ExcelTextFont _font = null;
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106 | /// <summary>
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107 | /// A reference to the font properties
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108 | /// </summary>
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109 | public ExcelTextFont Font
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110 | {
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111 | get
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112 | {
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113 | //if (_font == null)
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114 | //{
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115 | // _font = new ExcelTextFont(NameSpaceManager, TopNode, "c:tx/c:rich/a:p/a:r/a:rPr", new string[] { "rPr", "solidFill", "uFill", "latin", "cs", "r", "rPr", "t" });
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116 | //}
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117 | //return _font;
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118 | if (_richText==null || _richText.Count == 0)
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119 | {
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120 | RichText.Add("");
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121 | }
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122 | return _richText[0];
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123 | }
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124 | }
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125 | string[] paragraphNodeOrder = new string[] { "pPr", "defRPr", "solidFill", "uFill", "latin", "cs", "r", "rPr", "t" };
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126 | ExcelParagraphCollection _richText = null;
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127 | /// <summary>
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128 | /// Richtext
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129 | /// </summary>
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130 | public ExcelParagraphCollection RichText
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131 | {
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132 | get
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133 | {
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134 | if (_richText == null)
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135 | {
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136 | _richText = new ExcelParagraphCollection(NameSpaceManager, TopNode, "c:tx/c:rich/a:p", paragraphNodeOrder);
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137 | }
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138 | return _richText;
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139 | }
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140 | }
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141 | /// <summary>
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142 | /// Show without overlaping the chart.
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143 | /// </summary>
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144 | public bool Overlay
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145 | {
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146 | get
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147 | {
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148 | return GetXmlNodeBool("c:overlay/@val");
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149 | }
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150 | set
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151 | {
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152 | SetXmlNodeBool("c:overlay/@val", value);
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153 | }
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154 | }
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155 | /// <summary>
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156 | /// Specifies the centering of the text box.
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157 | /// The way it works fundamentally is to determine the smallest possible "bounds box" for the text and then to center that "bounds box" accordingly.
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158 | /// This is different than paragraph alignment, which aligns the text within the "bounds box" for the text.
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159 | /// This flag is compatible with all of the different kinds of anchoring.
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160 | /// If this attribute is omitted, then a value of 0 or false is implied.
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161 | /// </summary>
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162 | public bool AnchorCtr
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163 | {
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164 | get
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165 | {
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166 | return GetXmlNodeBool("c:tx/c:rich/a:bodyPr/@anchorCtr", false);
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167 | }
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168 | set
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169 | {
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170 | SetXmlNodeBool("c:tx/c:rich/a:bodyPr/@anchorCtr", value, false);
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171 | }
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172 | }
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173 | public eTextAnchoringType Anchor
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174 | {
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175 | get
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176 | {
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177 | return ExcelDrawing.GetTextAchoringEnum(GetXmlNodeString("c:tx/c:rich/a:bodyPr/@anchor"));
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178 | }
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179 | set
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180 | {
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181 | SetXmlNodeString("c:tx/c:rich/a:bodyPr/@anchorCtr", ExcelDrawing.GetTextAchoringText(value));
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182 | }
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183 | }
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184 | const string TextVerticalPath = "xdr:sp/xdr:txBody/a:bodyPr/@vert";
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185 | /// <summary>
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186 | /// Vertical text
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187 | /// </summary>
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188 | public eTextVerticalType TextVertical
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189 | {
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190 | get
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191 | {
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192 | return ExcelDrawing.GetTextVerticalEnum(GetXmlNodeString("c:tx/c:rich/a:bodyPr/@vert"));
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193 | }
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194 | set
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195 | {
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196 | SetXmlNodeString("c:tx/c:rich/a:bodyPr/@vert", ExcelDrawing.GetTextVerticalText(value));
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197 | }
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198 | }
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199 | /// <summary>
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200 | /// Rotation in degrees (0-360)
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201 | /// </summary>
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202 | public double Rotation
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203 | {
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204 | get
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205 | {
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206 | var i=GetXmlNodeInt("c:tx/c:rich/a:bodyPr/@rot");
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207 | if (i < 0)
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208 | {
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209 | return 360 - (i / 60000);
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210 | }
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211 | else
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212 | {
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213 | return (i / 60000);
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214 | }
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215 | }
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216 | set
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217 | {
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218 | int v;
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219 | if(value <0 || value > 360)
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220 | {
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221 | throw(new ArgumentOutOfRangeException("Rotation must be between 0 and 360"));
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222 | }
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223 |
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224 | if (value > 180)
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225 | {
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226 | v = (int)((value - 360) * 60000);
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227 | }
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228 | else
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229 | {
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230 | v = (int)(value * 60000);
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231 | }
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232 | SetXmlNodeString("c:tx/c:rich/a:bodyPr/@rot", v.ToString());
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233 | }
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234 | }
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235 | }
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236 | }
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