processParagraph static method

Implementation

static List<WordPage> processParagraph(ProcessParagraphParams params) {
  List<WordPage> pages = params.wordDocument.pages;
  var pStyle = "";
  var chkPProperties = params.paragraphElement.findAllElements("w:pPr");
  int seqNo = 0;
  Map<String, String> tabs = {};
  String paraShadingColor = "";
  Map<String, String> paraFormat = {};
  if (chkPProperties.isNotEmpty) {
    var chkPStyle = chkPProperties.first.findAllElements("w:pStyle");
    if (chkPStyle.isNotEmpty) {
      var tempPStyle = chkPStyle.first.getAttribute("w:val");
      if (tempPStyle != null) {
        pStyle = tempPStyle;
      }
    }
    var chkTabs = chkPProperties.first.findAllElements("w:tab");
    if (chkTabs.isNotEmpty) {
      var tempVal = chkTabs.first.getAttribute("w:val");
      if (tempVal != null) {
        tabs["val"] = tempVal;
      }
      var tempLeader = chkTabs.first.getAttribute("w:leader");
      if (tempLeader != null) {
        tabs["leader"] = tempLeader;
      }
    }
    var shadingColorProperty = chkPProperties.first.findAllElements("w:shd");
    if (shadingColorProperty.isNotEmpty) {
      var tempShadingColor = shadingColorProperty.first.getAttribute("w:fill");
      if (tempShadingColor != null) {
        paraShadingColor = tempShadingColor;
      }
    }
    var justifyProp = chkPProperties.first.findAllElements("w:jc");
    if (justifyProp.isNotEmpty) {
      var tempJc = justifyProp.first.getAttribute("w:val");
      if (tempJc != null) {
        paraFormat["jc"] = tempJc;
      }
    }
  }
  Paragraph paragraph = Paragraph(seqNo, pStyle);
  if (tabs.isNotEmpty) {
    paragraph.tabDetails = tabs;
  }
  if (paraShadingColor.isNotEmpty) {
    paragraph.shadingColor = paraShadingColor;
  }
  if (paraFormat.isNotEmpty) {
    paragraph.formats = paraFormat;
  }
  seqNo++;
  int pSeqNo = 0;
  var runElements = params.paragraphElement.findAllElements("w:r");
  if (runElements.isNotEmpty) {
    for (var run in runElements) {
      List<String> formats = [];
      String tStyle = "";
      int fontSize = 0;
      String textColor = "";
      String highlightColor = "";
      String shadingColor = "";
      Map<String, String> fonts = {};
      var runProperty = run.findAllElements("w:rPr");
      if (runProperty.isNotEmpty) {
        var boldProperty = runProperty.first.findAllElements("w:b");
        if (boldProperty.isNotEmpty) {
          formats.add("bold");
        }
        var italicProperty = runProperty.first.findAllElements("w:i");
        if (italicProperty.isNotEmpty) {
          formats.add("italic");
        }
        var underlineProperty = runProperty.first.findAllElements("w:u");
        if (underlineProperty.isNotEmpty) {
          if (underlineProperty.first.getAttribute("w:val") == "single") {
            formats.add("single-underline");
          } else if (underlineProperty.first.getAttribute("w:val") == "double") {
            formats.add("double-underline");
          }
        }
        var strikeProperty = runProperty.first.findAllElements("w:strike");
        if (strikeProperty.isNotEmpty) {
          formats.add("strike");
        }
        var scriptProperty = runProperty.first.findAllElements("w:vertAlign");
        if (scriptProperty.isNotEmpty) {
          if (scriptProperty.first.getAttribute("w:val") == "superscript") {
            formats.add("superscript");
          } else if (scriptProperty.first.getAttribute("w:val") == "subscript") {
            formats.add("subscript");
          }
        }
        var colorProperty = runProperty.first.findAllElements("w:color");
        if (colorProperty.isNotEmpty) {
          var tempTextColor = colorProperty.first.getAttribute("w:val");
          if (tempTextColor != null) {
            textColor = tempTextColor;
          }
        }
        var shadingColorProperty = runProperty.first.findAllElements("w:shd");
        if (shadingColorProperty.isNotEmpty) {
          var tempShadingColor = shadingColorProperty.first.getAttribute("w:fill");
          if (tempShadingColor != null) {
            shadingColor = tempShadingColor;
          }
        }
        var highlightColorProperty = runProperty.first.findAllElements("w:highlight");
        if (highlightColorProperty.isNotEmpty) {
          var tempHighlightColor = highlightColorProperty.first.getAttribute("w:val");
          if (tempHighlightColor != null) {
            highlightColor = tempHighlightColor;
          }
        }
        var styleProperty = runProperty.first.findAllElements("w:rStyle");
        if (styleProperty.isNotEmpty) {
          var tempStyle = styleProperty.first.getAttribute("w:val");
          if (tempStyle != null) {
            tStyle = tempStyle;
          }
        }
        var fontSizeProperty = runProperty.first.findAllElements("w:sz");
        if (fontSizeProperty.isNotEmpty) {
          var tempFontSize = fontSizeProperty.first.getAttribute("w:val");
          if (tempFontSize != null) {
            fontSize = int.parse(tempFontSize);
          }
        }
        var fontsProperty = runProperty.first.findAllElements("w:rFonts");
        if (fontsProperty.isNotEmpty) {
          var tempAscii = fontsProperty.first.getAttribute("w:ascii");
          if (tempAscii != null) {
            fonts["ascii"] = tempAscii;
          }
          var temphAnsi = fontsProperty.first.getAttribute("w:hAnsi");
          if (temphAnsi != null) {
            fonts["hAnsi"] = temphAnsi;
          }
        }
      }
      var textElements = run.findAllElements("w:t");
      if (textElements.isNotEmpty) {
        if (paragraph.tabDetails.isNotEmpty) {
          for (int i = 0; i < textElements.length; i++) {
            if (pSeqNo > 0) {
              paragraph.textSpans.add(MsTextSpan(
                  pSeqNo, textElements.elementAt(i).innerText, tStyle, formats, fontSize, textColor, highlightColor, fonts, shadingColor));
              pSeqNo++;
            } else {
              String innerTex = textElements.elementAt(i).innerText;
              if (paragraph.tabDetails["leader"] == "dot") {
                if (paragraph.tabDetails["val"] == "left") {
                  innerTex = "......................$innerTex";
                } else {
                  innerTex = "$innerTex......................";
                }
              } else if (paragraph.tabDetails["leader"] == "hyphen") {
                if (paragraph.tabDetails["val"] == "left") {
                  innerTex = "--------------------$innerTex";
                } else {
                  innerTex = "$innerTex--------------------";
                }
              } else if (paragraph.tabDetails["leader"] == "space") {
                if (paragraph.tabDetails["val"] == "left") {
                  innerTex = "                      $innerTex";
                } else {
                  innerTex = "$innerTex                   ";
                }
              }
              paragraph.textSpans.add(MsTextSpan(pSeqNo, innerTex, tStyle, formats, fontSize, textColor, highlightColor, fonts, shadingColor));
              pSeqNo++;
            }
          }
        } else {
          for (var textE in textElements) {
            paragraph.textSpans.add(MsTextSpan(pSeqNo, textE.innerText, tStyle, formats, fontSize, textColor, highlightColor, fonts, shadingColor));
            pSeqNo++;
          }
        }
      }
      var drawingElements = run.findAllElements("w:drawing");
      if (drawingElements.isNotEmpty) {
        for (var draw in drawingElements) {
          var imageBlip = draw.findAllElements("a:blip");
          if (imageBlip.isNotEmpty) {
            String imagePath = "";
            String imageType = "";
            int imgCX = 0;
            int imgCY = 0;
            var imageRid = imageBlip.first.getAttribute("r:embed");
            var imageRelation = params.relationShips.firstWhere((rel) {
              return rel.id == imageRid;
            });
            String imageName = imageRelation.target.split("/").last;
            imagePath = "${params.wordOutputDirectory}/$imageName";
            var imageInline = draw.findAllElements("wp:inline");
            if (imageInline.isNotEmpty) {
              imageType = "inline";
              var imageExtent = imageInline.first.findAllElements("wp:extent");
              if (imageExtent.isNotEmpty) {
                var tempImageCX = imageExtent.first.getAttribute("cx");
                if (tempImageCX != null) {
                  imgCX = int.parse(tempImageCX);
                }
                var tempImageCY = imageExtent.first.getAttribute("cy");
                if (tempImageCY != null) {
                  imgCY = int.parse(tempImageCY);
                }
              }
            }
            var imageAnchor = draw.findAllElements("wp:anchor");
            if (imageAnchor.isNotEmpty) {
              imageType = "anchor";
              var imageExtent = imageAnchor.first.findAllElements("wp:extent");
              if (imageExtent.isNotEmpty) {
                var tempImageCX = imageExtent.first.getAttribute("cx");
                if (tempImageCX != null) {
                  imgCX = int.parse(tempImageCX);
                }
                var tempImageCY = imageExtent.first.getAttribute("cy");
                if (tempImageCY != null) {
                  imgCY = int.parse(tempImageCY);
                }
              }
            }
            paragraph.images.add(MsImage(pSeqNo, imagePath, imageType, imgCX, imgCY));
            pSeqNo++;
          }
        }
      }
      var chkFootNotes = run.findAllElements("w:footnoteReference");
      if (chkFootNotes.isNotEmpty) {
        for (var footNt in chkFootNotes) {
          var footNtId = footNt.getAttribute("w:id");
          if (footNtId != null) {
            int noteId = 0;
            if (params.wordDocument.pages.isNotEmpty) {
              noteId = params.wordDocument.pages.last.footNotes.length + params.wordDocument.pages.last.endNotes.length;
            }
            paragraph.textSpans
                .add(MsTextSpan(pSeqNo, (noteId + 1).toString(), tStyle, formats, fontSize, textColor, highlightColor, fonts, shadingColor));
            pSeqNo++;
            Map<String, String> footNoteDetails = {};
            footNoteDetails["id"] = footNtId;
            footNoteDetails["refNo"] = (noteId + 1).toString();
            footNoteDetails["style"] = tStyle;
            if (pages.isEmpty) {
              WordPage wordPage = WordPage(pages.length + 1);
              pages.add(wordPage);
            }
            pages.last.footNotes.add(footNoteDetails);
          }
        }
      }
      var chkEndNotes = run.findAllElements("w:endnoteReference");
      if (chkEndNotes.isNotEmpty) {
        for (var endNt in chkEndNotes) {
          var endNtId = endNt.getAttribute("w:id");
          if (endNtId != null) {
            paragraph.textSpans.add(MsTextSpan(
                pSeqNo,
                (params.wordDocument.pages.last.endNotes.length + params.wordDocument.pages.last.footNotes.length + 1).toString(),
                tStyle,
                formats,
                fontSize,
                textColor,
                highlightColor,
                fonts,
                shadingColor));
            pSeqNo++;
            Map<String, String> endNoteDetails = {};
            endNoteDetails["id"] = endNtId;
            endNoteDetails["refNo"] =
                (params.wordDocument.pages.last.footNotes.length + params.wordDocument.pages.last.endNotes.length + 1).toString();
            endNoteDetails["style"] = tStyle;
            if (pages.isEmpty) {
              WordPage wordPage = WordPage(pages.length + 1);
              pages.add(wordPage);
            }
            pages.last.endNotes.add(endNoteDetails);
          }
        }
      }
    }
  }
  bool newPage = false;
  for (var style in params.stylesList) {
    if (style.styleId == paragraph.style) {
      if (style.pageBreakBefore != null && style.pageBreakBefore == true) {
        newPage = true;
      }
    }
  }
  if (newPage || pages.isEmpty) {
    WordPage wordPage = WordPage(pages.length + 1);
    pages.add(wordPage);
  }
  pages.last.components.add(paragraph);
  return pages;
}