LT-21761: Add Table indenting and right justification (#35)

* LT-21761: Add Table indenting and right justification

Use the table parent as the basis.

Change-Id: I9e49a9570c7c9d09696e1bb4c4ba22636e5cb1af

Src/xWorks/ConfiguredLcmGenerator.cs

@@ -2940,7 +2940,7 @@ select match.Groups["rowcontents"] into rowContentsGroup
 					GenerateTableRow(usfm.GetSubstring(row.Item1, row.Item2), writer, config, settings, writingSystem);
 				}
 				settings.ContentGenerator.EndTableBody(writer);
-				settings.ContentGenerator.EndTable(writer);
+				settings.ContentGenerator.EndTable(writer, config);
 				writer.Flush();
 			}
 			return bldr;

Src/xWorks/ILcmContentGenerator.cs

@@ -47,7 +47,7 @@ IFragment GenerateGroupingNode(object field, string className, ConfigurableDicti
 		void AddTableCell(IFragmentWriter writer, bool isHead, int colSpan, HorizontalAlign alignment, IFragment content);
 		void EndTableRow(IFragmentWriter writer);
 		void EndTableBody(IFragmentWriter writer);
-		void EndTable(IFragmentWriter writer);
+		void EndTable(IFragmentWriter writer, ConfigurableDictionaryNode config);
 		void StartEntry(IFragmentWriter writer, ConfigurableDictionaryNode config, string className, Guid entryGuid, int index, RecordClerk clerk);
 		void AddEntryData(IFragmentWriter writer, List<ConfiguredLcmGenerator.ConfigFragment> pieces);
 		void EndEntry(IFragmentWriter writer);

Src/xWorks/LcmJsonGenerator.cs

@@ -248,7 +248,7 @@ public void EndTableBody(IFragmentWriter writer)
 			// TODO: decide on a useful json representation for tables
 		}
 
-		public void EndTable(IFragmentWriter writer)
+		public void EndTable(IFragmentWriter writer, ConfigurableDictionaryNode config)
 		{
 			// TODO: decide on a useful json representation for tables
 		}

Src/xWorks/LcmWordGenerator.cs

@@ -1027,18 +1027,37 @@ public void EndTableBody(IFragmentWriter writer)
 		{
 			// Nothing to do for Word export.
 		}
-		public void EndTable(IFragmentWriter writer)
+		public void EndTable(IFragmentWriter writer, ConfigurableDictionaryNode config)
 		{
 			WordFragmentWriter wordWriter = (WordFragmentWriter)writer;
 
-			// If there is a Table Title, then add it now, when we know the number of columns.
+			// If there is a Table Title, then prepend it now, when we know the number of columns.
 			if (wordWriter.TableTitleContent != null)
 			{
 				wordWriter.CurrentTableRow = new WP.TableRow();
 				AddTableCell(writer, false, wordWriter.TableColumns, HorizontalAlign.Center, wordWriter.TableTitleContent);
-				wordWriter.CurrentTable.PrependChild(wordWriter.CurrentTableRow);
+				wordWriter.CurrentTable.PrependChild(wordWriter.CurrentTableRow); // Prepend so that it is the first row.
 				wordWriter.CurrentTableRow = null;
 			}
+
+			// Create a TableProperties object and specify the indent information.
+			WP.TableProperties tblProp = new WP.TableProperties();
+
+			WP.TableRowAlignmentValues tableAlignment = WP.TableRowAlignmentValues.Left;
+			int indentVal = WordStylesGenerator.GetTableIndentInfo(_propertyTable, config, ref tableAlignment);
+
+			var tableJustify = new WP.TableJustification();
+			tableJustify.Val = tableAlignment;
+			tblProp.Append(tableJustify);
+
+			var tableIndent = new WP.TableIndentation();
+			tableIndent.Type = WP.TableWidthUnitValues.Dxa;
+			tableIndent.Width = indentVal;
+			tblProp.Append(tableIndent);
+
+			// TableProperties MUST be first, so prepend them.
+			wordWriter.CurrentTable.PrependChild(tblProp);
+
 			wordWriter.TableColumns = 0;
 			wordWriter.TableTitleContent = null;
 			wordWriter.CurrentTable = null;

Src/xWorks/LcmXhtmlGenerator.cs

@@ -857,7 +857,7 @@ public void EndTableBody(IFragmentWriter writer)
 			((XmlFragmentWriter)writer).Writer.WriteFullEndElement(); // should be </tbody>
 		}
 
-		public void EndTable(IFragmentWriter writer)
+		public void EndTable(IFragmentWriter writer, ConfigurableDictionaryNode config)
 		{
 			((XmlFragmentWriter)writer).Writer.WriteEndElement(); // should be </table>
 		}

Src/xWorks/WordStylesGenerator.cs

@@ -759,6 +759,47 @@ private static AncestorIndents CalculateParagraphIndentsFromAncestors(Configurab
 			return new AncestorIndents(parentNode, GetLeadingIndent(exportStyleInfo), GetHangingIndentIfAny(exportStyleInfo));
 		}
 
+		/// <summary>
+		/// Gets the indentation information for a Table.
+		/// </summary>
+		/// <param name="tableAlignment">Returns the table alignment.</param>
+		/// <returns>Returns the indentation value.</returns>
+		internal static int GetTableIndentInfo(ReadOnlyPropertyTable propertyTable, ConfigurableDictionaryNode config, ref TableRowAlignmentValues tableAlignment)
+		{
+			var style = config.Parent?.Style;
+			var styleSheet = FontHeightAdjuster.StyleSheetFromPropertyTable(propertyTable);
+			if (style == null || styleSheet == null || !styleSheet.Styles.Contains(style))
+			{
+				return 0;
+			}
+
+			var projectStyle = styleSheet.Styles[style];
+			var exportStyleInfo = new ExportStyleInfo(projectStyle);
+
+			// Get the indentation value.
+			int indentVal = 0;
+			var hangingIndent = 0.0f;
+			if (exportStyleInfo.HasFirstLineIndent)
+			{
+				var firstLineIndentValue = MilliPtToTwentiPt(exportStyleInfo.FirstLineIndent);
+				if (firstLineIndentValue < 0.0f)
+				{
+					hangingIndent = firstLineIndentValue;
+				}
+			}
+			if (exportStyleInfo.HasLeadingIndent || hangingIndent < 0.0f)
+			{
+				var leadingIndent = CalculateMarginLeft(exportStyleInfo, new AncestorIndents(0.0f, 0.0f), hangingIndent);
+				indentVal = (int)leadingIndent;
+			}
+
+			// Get the alignment direction.
+			tableAlignment = exportStyleInfo.DirectionIsRightToLeft == TriStateBool.triTrue ?
+				TableRowAlignmentValues.Right : TableRowAlignmentValues.Left;
+
+			return indentVal;
+		}
+
 		private static float CalculateMarginLeft(ExportStyleInfo exportStyleInfo, AncestorIndents ancestorIndents,
 			float hangingIndent)
 		{