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using System;

using Word;

using Microsoft.Office.Core;

namespace EA_DocGen

{

	/// <summary>

	/// Summary description for StyleContent.

	/// </summary>

	public class StyleContent

	{

		public static void initialise()

		{

		}

      /// <summary>

      /// Creates a wdStyleTypeParagraph based style

      /// </summary>

      /// <param name="newStyleName"></param>

      /// <param name="followingStyleName"></param>

      /// <param name="baseStyle"></param>

      /// <returns></returns>

      private static Word.Style createParagrapghStyle(string newStyleName, string followingStyleName, Word.Style baseStyle)

      {

         Word.Style s = getStyle(newStyleName);

         if (s == null)

         {

            object o_styleType = Word.WdStyleType.wdStyleTypeParagraph;

            s = createWordDoc.WordDocument.Styles.Add(newStyleName, ref o_styleType);

            object o_baseStyle = baseStyle.NameLocal;

            object o_followingStyle = followingStyleName;

            s.set_BaseStyle(ref o_baseStyle);

            s.set_NextParagraphStyle(ref o_followingStyle);

            s.Font = baseStyle.Font;

            s.ParagraphFormat = baseStyle.ParagraphFormat;

            s.LanguageID = Word.WdLanguageID.wdEnglishAUS;

            s.NoProofing = 0;

            s.Frame.Delete();

            s.NoSpaceBetweenParagraphsOfSameStyle = false;

         }

         return s;

      }

      /// <summary>

      /// Creates a wdStyleTypeCharacter based style

      /// </summary>

      /// <param name="newStyleName"></param>

      /// <param name="baseStyle"></param>

      /// <returns></returns>

      private static Word.Style createCharacterStyle(string newStyleName, Word.Style baseStyle)

      {

         Word.Style s = getStyle(newStyleName);

         if (s == null)

         {

            object o_styleType = Word.WdStyleType.wdStyleTypeCharacter;

            s = createWordDoc.WordDocument.Styles.Add(newStyleName, ref o_styleType);

            object o_baseStyle = baseStyle.NameLocal;

            s.set_BaseStyle(ref o_baseStyle);

            s.Font = baseStyle.Font;

            s.LanguageID = Word.WdLanguageID.wdEnglishAUS;

            s.NoProofing = 0;

         }

         return s;

      }

      /// <summary>

      /// This method is designed to correct problems that have been reported in the styles

      /// contained in the input templates being used. These can be corrected programmatically

      /// much quicker than waiting for a fix to be done to the templates and having them re-deployed

      /// to the shared drive where MS-Word templates are retrieved from by most users.

      /// </summary>

      public static void correctErrorsInTemplateStyles()

      {

         // Go through the document's list levels and make sure any faults are fixed up

         int i = 0;

         int j = 0;

         foreach (Word.ListTemplate lt in createWordDoc.WordDocument.ListTemplates)

         {

            j = 0;

            foreach (Word.ListLevel lv in lt.ListLevels)

            {

               // An old ERG template had a flaw where the list numbering restarts were not 

               // configured correctly, so fix up if needed.

               if (lv.ResetOnHigher != j)

                  lv.ResetOnHigher = j;

               j++;

            }

            i++;

         }

         // Ensure heading levels 7 to 9 are bold

         Word.Style h7 = getStyle(EA_Constants.styleName_Heading7);

         if (h7 != null)

         {

            h7.Font.Bold = 1;

         }

         Word.Style h8 = getStyle(EA_Constants.styleName_Heading8);

         if (h8 != null)

         {

            h8.Font.Bold = 1;

         }

         Word.Style h9 = getStyle(EA_Constants.styleName_Heading9);

         if (h9 != null)

         {

            h9.Font.Bold = 1;

         }

      }

      /// <summary>

      /// This method creates a heading level style for heading levels 10 or above. Although MS-Word 

      /// does not support level numbering above 9, EA_DocGen can fake the heading number and use the

      /// styles created in this method for the fake headings.

      /// </summary>

      public static void createAdditionalHeadingLevelStyles()

      {

         Word.Style s_Body1 = getStyle(EA_Constants.styleName_Body1);

         if (s_Body1 != null)

         {

            Word.Style h10 = createParagrapghStyle(EA_Constants.styleName_Heading10OrAbove, EA_Constants.styleName_Body1, s_Body1);

            h10.Font.Size = 10;

            h10.Font.Bold = 1;

            h10.ParagraphFormat.LeftIndent  = createWordDoc.WordApp.CentimetersToPoints((float)0.0);

            h10.ParagraphFormat.SpaceAfter  = 6;

            h10.ParagraphFormat.SpaceBefore = 12;

         }

      }

      /// <summary>

      /// Create the styles used to display class element details

      /// </summary>

      public static void createElementDetailsStyles()

      {

         Word.Style s_Body1 = getStyle(EA_Constants.styleName_Body1);

         if (s_Body1 != null)

         {

            // A couple of indented body 1 styles

            Word.Style s_B1_3_5 = createParagrapghStyle(EA_Constants.styleName_Body1_Left_3_5cm, EA_Constants.styleName_Body1_Left_3_5cm, s_Body1);

            s_B1_3_5.ParagraphFormat.LeftIndent = createWordDoc.WordApp.CentimetersToPoints((float)3.5);

            Word.Style s_B1_4_5 = createParagrapghStyle(EA_Constants.styleName_Body1_Left_4_5cm, EA_Constants.styleName_Body1_Left_4_5cm, s_Body1);

            s_B1_4_5.ParagraphFormat.LeftIndent = createWordDoc.WordApp.CentimetersToPoints((float)4.5);

            // A couple of pseudo-heading styles

            Word.Style s_B1_2_5_Italic = createParagrapghStyle(EA_Constants.styleName_Body1_Left_2_5cm_Italic, EA_Constants.styleName_Body1_Left_3_5cm, s_Body1);

            s_B1_2_5_Italic.ParagraphFormat.LeftIndent = createWordDoc.WordApp.CentimetersToPoints((float)2.5);

            s_B1_2_5_Italic.Font.Italic = 1;

            s_B1_2_5_Italic.Font.Bold = 1;

            Word.Style s_B1_3_5_Italic = createParagrapghStyle(EA_Constants.styleName_Body1_Left_3_5cm_Italic, EA_Constants.styleName_Body1_Left_4_5cm, s_Body1);

            s_B1_3_5_Italic.ParagraphFormat.LeftIndent = createWordDoc.WordApp.CentimetersToPoints((float)3.5);

            s_B1_3_5_Italic.Font.Italic = 1;

            s_B1_3_5_Italic.Font.Bold = 1;

            // Style for use when detailing parameter descriptions

            Word.Style s_ParamDesc = createParagrapghStyle(EA_Constants.stylename_Parameter_Description, EA_Constants.styleName_Body1, s_Body1);

            s_ParamDesc.ParagraphFormat.TabStops.ClearAll();

            object alignment = Word.WdTabAlignment.wdAlignTabLeft;

            object leader = Word.WdTabLeader.wdTabLeaderSpaces;

            s_ParamDesc.ParagraphFormat.LeftIndent = createWordDoc.WordApp.CentimetersToPoints((float)9.0);

            s_ParamDesc.ParagraphFormat.TabStops.Add( createWordDoc.WordApp.CentimetersToPoints((float)9.0), ref alignment, ref leader );

            s_ParamDesc.ParagraphFormat.FirstLineIndent = createWordDoc.WordApp.CentimetersToPoints((float)-5.5);

         }

      }

      /// <summary>

      /// Creates the styles needed for generating requirement documentation, if they do not

      /// already exist.

      /// </summary>

      public static void createRequirementStyles()

      {

         Word.Style s_Body1 = getStyle(EA_Constants.styleName_Body1);

         if (s_Body1 != null)

         {

            // APPROVED ///////////////////////////////////////////////////////////////////////////////////////////////

            Word.Style s_ReqAppBody = createParagrapghStyle(EA_Constants.styleName_ReqAppBody, EA_Constants.styleName_ReqAppBody, s_Body1);

            if (s_ReqAppBody != null)

            {

               // No changes needed - this is just a copy of Body 1

            }

            Word.Style s_ReqAppHdr = null;

            if (s_ReqAppBody != null)

            {

               s_ReqAppHdr = createParagrapghStyle(EA_Constants.styleName_ReqAppHdr, EA_Constants.styleName_ReqAppBody, s_Body1);

               if (s_ReqAppHdr != null)

               {

                  // Indent:Hanging: 2.5cm, Space After: 3pt, Keep with next, Tabs: 16.5cm, Right

                  s_ReqAppHdr.ParagraphFormat.FirstLineIndent = createWordDoc.WordApp.CentimetersToPoints((float)-2.5);

                  s_ReqAppHdr.ParagraphFormat.SpaceAfter = 3;

                  s_ReqAppHdr.ParagraphFormat.KeepWithNext = (int)MsoTriState.msoTrue;

                  s_ReqAppHdr.ParagraphFormat.TabStops.ClearAll();

                  object alignment = Word.WdTabAlignment.wdAlignTabRight;

                  object leader = Word.WdTabLeader.wdTabLeaderSpaces;

                  s_ReqAppHdr.ParagraphFormat.TabStops.Add( createWordDoc.WordApp.CentimetersToPoints((float)16.5), ref alignment, ref leader );

               }

            }

            // PROPOSED ///////////////////////////////////////////////////////////////////////////////////////////////

            Word.Style s_ReqPropBody = null;

            if (s_ReqAppBody != null)

            {

               s_ReqPropBody = createParagrapghStyle(EA_Constants.styleName_ReqPropBody, EA_Constants.styleName_ReqPropBody, s_ReqAppBody );

               if (s_ReqPropBody != null)

               {

                  // Font: Italic

                  s_ReqPropBody.Font.Italic = (int)MsoTriState.msoTrue;

               }

            }

            if (s_ReqAppHdr != null && s_ReqPropBody != null)

            {

               Word.Style s_ReqPropHdr = createParagrapghStyle(EA_Constants.styleName_ReqPropHdr, EA_Constants.styleName_ReqPropBody, s_ReqAppHdr );

               if (s_ReqPropHdr != null)

               {

                  // Font: Italic

                  s_ReqPropHdr.Font.Italic = (int)MsoTriState.msoTrue;

               }

            }

            // REJECTED ///////////////////////////////////////////////////////////////////////////////////////////////

            Word.Style s_ReqRejBody = null;

            if (s_ReqAppBody != null)

            {

               s_ReqRejBody = createParagrapghStyle(EA_Constants.styleName_ReqRejBody, EA_Constants.styleName_ReqRejBody, s_ReqAppBody );

               if (s_ReqRejBody != null)

               {

                  // Font: Italic

                  s_ReqRejBody.Font.StrikeThrough = (int)MsoTriState.msoTrue;

               }

            }

            if (s_ReqAppHdr != null && s_ReqRejBody != null)

            {

               Word.Style s_ReqRejHdr = createParagrapghStyle(EA_Constants.styleName_ReqRejHdr, EA_Constants.styleName_ReqRejBody, s_ReqAppHdr );

               if (s_ReqRejHdr != null)

               {

                  // Font: Italic

                  s_ReqRejHdr.Font.StrikeThrough = (int)MsoTriState.msoTrue;

               }

            }

            // REQUIREMENT NAME ///////////////////////////////////////////////////////////////////////////////////////////////

            Word.Style s_DefParaFont = getStyle("Default Paragraph Font");

            if (s_DefParaFont != null)

            {

               Word.Style s_ReqName = createCharacterStyle(EA_Constants.styleName_ReqName, s_DefParaFont );

               if (s_ReqName != null)

               {

                  s_ReqName.Font.Bold = (int)MsoTriState.msoTrue;

               }

            }

         }

      }

      /// <summary>

      /// This function was the only way I could figure out how to obtain a style object for

      /// the style name given. Everything else I tried, didn't work, even code from Visual Basic

      /// examples failed to work or even compile (once converted) in C#.

      /// </summary>

      /// <param name="styleText"></param>

      /// <returns></returns>

      public static Word.Style getStyle(string styleText)

      {

         foreach(Word.Style aStyle in createWordDoc.WordDocument.Styles)

         {

            //MessageBox.Show( aStyle.NameLocal );

            if (aStyle.NameLocal.Equals(styleText))

            {

               return aStyle;

            }

         }

         return null;

      }

	}

}