add tables in html view

Author: avdosev

lib/utils/html_to_json/element_builders.dart

@@ -147,3 +147,13 @@ class Iframe implements Node {
   @override
   String get type => "iframe";
 }
+
+class Table implements Node {
+  // имплементирует ноду чтобы не применялись оптимизаци
+  List<List<Node>> rows;
+
+  Table(this.rows);
+
+  @override
+  String get type => "table";
+}

lib/utils/html_to_json/transformer.dart

@@ -173,8 +173,7 @@ List<Node> prepareChildrenHtmlBlocElement(dom.Element element) {
           if (block.children.isEmpty) continue;
           if (block.children.length == 1) {
             final child = block.children[0];
-            if (child is TextSpan && child.text.trim().isEmpty)
-              continue;
+            if (child is TextSpan && child.text.trim().isEmpty) continue;
           }
         }
         children.add(block);
@@ -233,6 +232,8 @@ Node prepareHtmlBlocElement(dom.Element element) {
     case 'body':
     case 'div':
     case 'li':
+    case 'th':
+    case 'td':
       if (element.classes.contains('spoiler')) {
         return Details(
           element.getElementsByClassName('spoiler_title')[0].text,
@@ -242,6 +243,8 @@ Node prepareHtmlBlocElement(dom.Element element) {
       } else if (element.classes.contains('tm-iframe_temp')) {
         final src = element.attributes['data-src'];
         return Iframe(src);
+      } else if (element.classes.contains('scrollable-table')) {
+        return Scrollable(prepareHtmlBlocElement(element.children.first));
       } else {
         return BlockColumn(prepareChildrenHtmlBlocElement(element));
       }
@@ -266,6 +269,14 @@ Node prepareHtmlBlocElement(dom.Element element) {
     case 'iframe':
       final src = element.attributes['src'];
       return Iframe(src);
+    case 'table':
+      final rows = <List<Node>>[];
+      for (final tableItems in element.children) {
+        for (final elementsRow in tableItems.children) {
+          rows.add(elementsRow.children.map(prepareHtmlBlocElement).toList());
+        }
+      }
+      return Table(rows);
     default:
       print('Not found case for ${element.localName}');
       throw UnsupportedError('${element.localName} not supported');

lib/widgets/html_view.dart

@@ -41,7 +41,7 @@ class HtmlView extends StatelessWidget {
     Widget widget;
     if (element is view.HeadLine) {
       final mode =
-      HeadLineType.values[int.parse(element.mode.substring(1)) - 1];
+          HeadLineType.values[int.parse(element.mode.substring(1)) - 1];
       widget = HeadLine(text: element.text, type: mode);
     } else if (element is view.TextParagraph) {
       widget = Text(
@@ -70,10 +70,7 @@ class HtmlView extends StatelessWidget {
         widget = WrappedContainer(
           children: [
             widget,
-            Text(element.caption, style: Theme
-                .of(context)
-                .textTheme
-                .subtitle2)
+            Text(element.caption, style: Theme.of(context).textTheme.subtitle2)
           ],
           distance: 5,
         );
@@ -110,6 +107,16 @@ class HtmlView extends StatelessWidget {
       widget = Iframe(
         src: element.src,
       );
+    } else if (element is view.Table) {
+      widget = Table(
+        defaultColumnWidth: IntrinsicColumnWidth(),
+        border: TableBorder.all(color: Theme.of(context).textTheme.bodyText2.color),
+        children: element.rows
+            .map((row) => TableRow(
+                children:
+                    row.map((child) => TableCell(child: Padding(padding: EdgeInsets.all(5),child: buildTree(child, context)))).toList()))
+            .toList(),
+      );
     } else {
       logInfo("Not found case for $type");
     }