kmpdfkit_demo/lib/widgets/contains.dart

class ChannelNames {
  static const comPDFKitViewType = 'com.compdfkit.pdf.flutter.pdfview';
  static const eventComPDFKitGlobal = 'com.compdfkit.pdf.flutter.global';
  static const eventReaderViewCallback = 'com.compdfkit.pdf.flutter.pdfview.view.call.back';
  static const eventReaderViewContextMenuHelper =
      'com.compdfkit.pdf.flutter.pdfview.context.menu.helper';
  static const eventModifyAnnotationAttr = 'com.compdfkit.pdf.flutter.pdfview.modify.annotation.attribute';
  static const eventCPDFReaderView = 'com.compdfkit.pdf.flutter.pdfview.settings';
  static const eventFocusedChange = 'com.compdfkit.pdf.flutter.pdfview.focused.change.callback';
}

///MethodChannel invokeMethod method name
///```dart
///   _methodChannel.invokeMethod(Functions.isCropPageMode);
///```
class Functions {
  static const getScrollDirection = 'getScrollDirection';
  static const setScrollDirection = 'setScrollDirection';
  static const setPageMode = 'setPageMode';
  static const getPageMode = 'getPageMode';
  static const setPageContinue = 'setPageContinue';
  static const getPageContinue = 'getPageContinue';
  static const isCoverPageMode = 'isCoverPageMode';
  static const setCoverPageMode = 'setCoverPageMode';
  static const isCropPageMode = 'isCropPageMode';
  static const setIsCropPageMode = 'setIsCropPageMode';
  static const getReadBackgroundColor = 'getReaderViewBackgroundColor';
  static const setReadBackgroundColor = 'setReaderViewBackgroundColor';

  static const getAnnotAttribute = 'getAnnotAttribute';
  static const setAnnotAttribute = 'setAnnotAttribute';
  static const setCurrentFocusedType = 'setCurrentFocusedType';
  static const modifyAnnotAttribute = 'modifyAnnotationAttribute';
  static const dismissModifyAnnotationAttr = "dismissModifyAnnotationAttr";

  static const getDocumentPageInfo = 'getDocumentPageInfo';
}

/// Parameters of functions.
class EventParameters {
  static const eventType = 'eventType';
  static const onTapMainDocArea = 'onTapMainDocArea';
  static const onMoveToChild = 'onMoveToChild';
  static const onScrollEnd = 'onScrollEnd';
  static const onScrolling = 'onScrolling';
  static const onRecordLastJumpPageNum = 'onRecordLastJumpPageNum';
  static const pageIndex = 'pageIndex';
  static const scrollDirection = 'scrollDirection';
  static const isDoublePage = 'isDoublePage';
  static const isContinueMode = 'isContinueMode';
  static const isCoverPageMode = 'isCoverPageMode';
  static const isCropPageMode = 'isCropPageMode';
  static const readBackgroundColor = 'readBackgroundColor';
  static const touchMode = 'touchMode';
  static const focusedType = 'focusedType';
  static const annotType = 'annotType';
  static const annotAttribute = 'annotAttribute';
  static const annotAttrColor = 'color';
  static const annotAttrAlpha = 'alpha';
  static const annotAttrBorderWidth = 'borderWidth';
  static const annotAttrBorderColorAlpha = 'borderColorAlpha';
  static const annotAttrBorderColor = 'borderColor';
  static const annotAttrFillColor = 'fillColor';
  static const annotAttrFillColorAlpha = 'fillColorAlpha';
  static const annotAttrShapeType = 'shapeType';
  static const annotAttrFontBold = 'fontBold';
  static const annotAttrFontItalic = 'fontItalic';
  static const annotAttrTextColor = 'textColor';
  static const annotAttrTextColorAlpha = 'textColorAlpha';
  static const annotAttrFontSize = 'fontSize';
  static const annotAttrFontType = 'fontType';
  static const annotImagePath = 'imagePath';
  static const annotIsSignature = 'isSignature';
  static const annotStandardStampName = 'standardStampName';
  static const annotTextStampContent = 'textStampContent';
  static const annotTextStampDate = 'textStampDate';
  static const annotTextStampStyleShapeType  = 'textStampStyleShapeType';
  static const annotTextStampStyleColorType  = 'textStampStyleColorType';
  static const annotLinkType = 'linkType';
  static const annotLinkWeb = 'linkWeb';
  static const annotLinkPage = 'linkPage';
  static const annotLinkEmail = 'linkEmail';
  static const annotLinkCancelCreate = 'cancelCreateLink';
  static const documentPageCount = 'documentPageCount';

}

/// CPDFReaderView scroll direction
class ScrollDirection {
  static const vertical = 'vertical';
  static const horizontal = 'horizontal';
}

enum AnnotationType {
  unknown,
  highlight,
  strikeout,
  underline,
  squiggly,
  ink,
  shape,
  circle,
  square,
  line,
  arrow,
  freetext,
  signature,
  stamp,
  link,
  redact


}

extension AnnotationTypeExtension on AnnotationType {

  get isShapeType {
    return this == AnnotationType.shape || this == AnnotationType.circle || this == AnnotationType.square || this == AnnotationType.line || this == AnnotationType.arrow;
  }
}

///CPDFReaderView current focus type
///browse or add annotation
enum TouchMode { browse, add_annot }

enum Pen { pen, markPen }

enum ShapeType { circle, square, line, arrow }

///freetext annotation font type
enum FontType { courier, helvetica, times_roman }


enum StandardStamp {
  notapproved,
  approved,
  completed,
  FINAL,
  draft,
  confidential,
  notforpublicrelease,
  forpublicrelease,
  forcomment,
  VOID,
  preliminaryresults,
  informationonly,
  accepted,
  rejected,
  witness,
  initialhere,
  signhere,
  revised,
  privateaccepted,
  privaterejected,
  privateradiomark,
}


enum LinkType {
  page,
  website,
  email
}