Fix an issue with processing tabs inside of a paragraph.

Move not only a renderer itself, but its children as well.

DEVSIX-1830

Autoported commit.
Original commit hash: [35c39fb79]

Author: ars18wrw

itext.tests/itext.layout.tests/itext/layout/TabsTest.cs

@@ -236,6 +236,45 @@ public virtual void AnchorTabStopsTest02() {
                 , "diff" + outFileName));
         }
 
+        /// <exception cref="System.IO.IOException"/>
+        /// <exception cref="System.Exception"/>
+        [NUnit.Framework.Test]
+        public virtual void TablesAndTabInsideOfParagraph() {
+            String testName = "tablesAndTabInsideOfParagraph.pdf";
+            String outFileName = destinationFolder + testName;
+            String cmpFileName = sourceFolder + "cmp_" + testName;
+            Document doc = InitDocument(outFileName, false);
+            Table leftTable = new Table(1);
+            for (int x = 0; x < 3; x++) {
+                leftTable.AddCell("Table 1, Line " + (x + 1));
+            }
+            Table rightTable = new Table(1);
+            for (int x = 0; x < 3; x++) {
+                rightTable.AddCell("Table 2, Line " + (x + 1));
+            }
+            Paragraph p = new Paragraph().Add(leftTable);
+            p.Add(new Tab());
+            p.AddTabStops(new TabStop(300, TabAlignment.LEFT));
+            p.Add(rightTable);
+            doc.Add(new Paragraph("TabAlignment: LEFT"));
+            doc.Add(p);
+            p = new Paragraph().Add(leftTable);
+            p.Add(new Tab());
+            p.AddTabStops(new TabStop(300, TabAlignment.CENTER));
+            p.Add(rightTable);
+            doc.Add(new Paragraph("TabAlignment: CENTER"));
+            doc.Add(p);
+            p = new Paragraph().Add(leftTable);
+            p.Add(new Tab());
+            p.AddTabStops(new TabStop(300, TabAlignment.RIGHT));
+            p.Add(rightTable);
+            doc.Add(new Paragraph("TabAlignment: RIGHT"));
+            doc.Add(p);
+            doc.Close();
+            NUnit.Framework.Assert.IsNull(new CompareTool().CompareByContent(outFileName, cmpFileName, destinationFolder
+                , testName + "_diff"));
+        }
+
         /// <exception cref="System.IO.IOException"/>
         /// <exception cref="System.Exception"/>
         [NUnit.Framework.Test]

itext.tests/itext.layout.tests/resources/itext/layout/TabsTest/cmp_tablesAndTabInsideOfParagraph.pdf

@@ -408,12 +408,12 @@ public override LayoutResult Layout(LayoutContext layoutContext) {
                         ));
                     float sumOfAffectedRendererWidths = 0;
                     foreach (IRenderer renderer in affectedRenderers) {
-                        renderer.GetOccupiedArea().GetBBox().MoveRight(tabWidth + sumOfAffectedRendererWidths);
+                        renderer.Move(tabWidth + sumOfAffectedRendererWidths, 0);
                         sumOfAffectedRendererWidths += renderer.GetOccupiedArea().GetBBox().GetWidth();
                     }
                     if (childResult.GetSplitRenderer() != null) {
-                        childResult.GetSplitRenderer().GetOccupiedArea().GetBBox().MoveRight(tabWidth + sumOfAffectedRendererWidths
-                             - childResult.GetSplitRenderer().GetOccupiedArea().GetBBox().GetWidth());
+                        childResult.GetSplitRenderer().Move(tabWidth + sumOfAffectedRendererWidths - childResult.GetSplitRenderer(
+                            ).GetOccupiedArea().GetBBox().GetWidth(), 0);
                     }
                     float tabAndNextElemWidth = tabWidth + childResult.GetOccupiedArea().GetBBox().GetWidth();
                     if (hangingTabStop.GetTabAlignment() == TabAlignment.RIGHT && curWidth + tabAndNextElemWidth < hangingTabStop

itext/itext.layout/itext/layout/renderer/LineRenderer.cs

@@ -1 +1 @@
-3f0b06e884c136b9d31400c2e0a60335f2b0572b
+35c39fb798538638ca164e992a6b614267813179