collapsable implementation for all platforms, WIP

lib/collapsableEmails.dart

@@ -1,132 +1,3 @@
-import 'dart:js_interop';
+export 'collapsableEmailsStub.dart'
-import 'package:web/web.dart' as web;
+  if (dart.library.io) 'collapsableEmailsAndroid.dart'
-import 'package:flutter/material.dart';
+  if (dart.library.js_interop) 'collapsableEmailsWeb.dart';
-import 'dart:ui_web' as ui;
-import 'api_service.dart';
-import 'structs.dart';
-
-class CollapsableEmails extends StatefulWidget {
-  final List<String> thread; // email id's in the form xyz@gmail.com
-  final List<String> threadHTML;
-  final String threadIDs;
-
-  CollapsableEmails(
-      {required this.thread,
-      required this.threadHTML,
-      required this.threadIDs});
-
-  @override
-  State<CollapsableEmails> createState() => _CollapsableEmailsState();
-}
-
-class _CollapsableEmailsState extends State<CollapsableEmails> {
-  List<String> emailsHTML = []; //html of the emails in the thread
-  // build attachments with the forldar name and id
-  Set<int> _expandedEmails = {}; //open emails
-  List viewtypeIDs = []; //IDs of the viewtypes, order matters
-  List heightOfViewTypes = []; //the height of each viewtype
-  List<SerializableMessage> emailsInThread = [];
-  bool _isLoaded = false;
-
-  @override
-  void initState() {
-    // TODO: implement initState
-    super.initState();
-    _registerViewFactory(widget.threadHTML);
-    _serializableData(widget.threadIDs);
-  }
-
-  void _registerViewFactory(List<String> currentContent) async {
-    // setState(() { //update to do item per item
-    // each item to have itsviewtype ID
-    // is this necessarey here??
-
-    //could just move to collapsable
-
-    for (var emailHTML in widget.threadHTML) {
-      String viewTypeId = 'email-${DateTime.now().millisecondsSinceEpoch}';
-
-      final ghost = web.document.createElement('div') as web.HTMLDivElement
-        ..style.visibility = 'hidden'
-        ..style.position = 'absolute'
-        ..style.width = '100%'
-        ..style.overflow = 'auto'
-        ..innerHTML = emailHTML
-            .toJS; // temporarily index because it has to do all of them
-      web.document.body?.append(ghost);
-      await Future.delayed(Duration(milliseconds: 10));
-
-      final heightOfEmail = ghost.scrollHeight;
-      ghost.remove();
-
-      final HTMLsnippet = web.document.createElement('div')
-          as web.HTMLDivElement
-        ..id = viewTypeId
-        ..innerHTML = emailHTML
-            .toJS; // temporarily index because it has to do all of them
-      HTMLsnippet.style
-        ..width = '100%'
-        ..height = '${heightOfEmail}px'
-        ..overflow = 'auto'
-        ..scrollBehavior = 'smooth';
-
-      ui.platformViewRegistry.registerViewFactory(
-        viewTypeId,
-        (int viewId) => HTMLsnippet,
-      );
-      viewtypeIDs.add(viewTypeId);
-      heightOfViewTypes.add(heightOfEmail);
-    }
-  }
-
-  void _serializableData(String threadID) async {
-    emailsInThread = await ApiService().threadsInSerializable(threadID);
-    print("done thread serializable");
-    if (!mounted) return;
-    setState(() {
-      _isLoaded = true;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return _isLoaded 
-      ?Column(children: [
-        Expanded(
-          child: ListView.builder(
-            itemCount: widget.thread.length,
-            itemBuilder: (context, index) {
-              final isExpanded =
-                  _expandedEmails.contains(index); //check if email is expanded
-              return Column(
-                children: [
-                  ListTile(
-                    title: Text(emailsInThread[index].from),
-                    trailing: Text(emailsInThread[index].date),
-                    onTap: () {
-                      setState(() {
-                        if (isExpanded) {
-                          _expandedEmails.remove(index);
-                        } else {
-                          _expandedEmails.add(index);
-                        }
-                      });
-                    },
-                  ),
-                  if (isExpanded)
-                    // if(viewtypeIDs[index] == null || heightOfViewTypes[index] == null)
-                    //   const SizedBox(height: 100, child: Center(child: CircularProgressIndicator())),
-                    SizedBox(
-                      height: heightOfViewTypes[index].toDouble(),
-                      child: HtmlElementView(
-                          key: UniqueKey(), viewType: viewtypeIDs[index]),
-                    ),
-                  Divider(),
-                ],
-              );
-            },
-          ),
-        )
-    ]): const Center(child:CircularProgressIndicator());
-  }
-}

lib/collapsableEmailsAndroid.dart

@@ -0,0 +1,48 @@
+import 'structs.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_widget_from_html/flutter_widget_from_html.dart';
+
+class CollapsableEmails extends StatefulWidget {
+  final List<String> thread; // email id's in the form xyz@gmail.com
+  final List<String> threadHTML;
+  final String threadIDs;
+
+  CollapsableEmails(
+      {required this.thread,
+      required this.threadHTML,
+      required this.threadIDs});
+
+  @override
+  State<CollapsableEmails> createState() => _CollapsableEmailsState();
+}
+
+class _CollapsableEmailsState extends State<CollapsableEmails> {
+  List<String> emailsHTML = []; //html of the emails in the thread
+  // build attachments with the forldar name and id
+  Set<int> _expandedEmails = {}; //open emails
+  List viewtypeIDs = []; //IDs of the viewtypes, order matters
+  List heightOfViewTypes = []; //the height of each viewtype
+  List<SerializableMessage> emailsInThread = [];
+  bool _isLoaded = false;
+
+  @override
+  void initState() {
+    super.initState();
+    //html
+  }
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: ListView(
+        children: [
+          HtmlWidget(
+            widget.threadHTML[0],
+            // renderMode: RenderMode.listView,
+          )
+        ]
+      )
+    );
+  }
+}

lib/collapsableEmailsStub.dart

@@ -0,0 +1,23 @@
+import 'structs.dart';
+import 'package:flutter/material.dart';
+
+class CollapsableEmails extends StatefulWidget {
+  final List<String> thread; // email id's in the form xyz@gmail.com
+  final List<String> threadHTML;
+  final String threadIDs;
+
+  CollapsableEmails(
+      {required this.thread,
+      required this.threadHTML,
+      required this.threadIDs});
+
+  @override
+  State<CollapsableEmails> createState() => _CollapsableEmailsState();
+}
+
+class _CollapsableEmailsState extends State<CollapsableEmails> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(body: Text("collapsable stud"));
+  }
+}

lib/collapsableEmailsWeb.dart

@@ -0,0 +1,132 @@
+import 'dart:js_interop';
+import 'package:web/web.dart' as web;
+import 'package:flutter/material.dart';
+import 'dart:ui_web' as ui;
+import 'api_service.dart';
+import 'structs.dart';
+
+class CollapsableEmails extends StatefulWidget {
+  final List<String> thread; // email id's in the form xyz@gmail.com
+  final List<String> threadHTML;
+  final String threadIDs;
+
+  CollapsableEmails(
+      {required this.thread,
+      required this.threadHTML,
+      required this.threadIDs});
+
+  @override
+  State<CollapsableEmails> createState() => _CollapsableEmailsState();
+}
+
+class _CollapsableEmailsState extends State<CollapsableEmails> {
+  List<String> emailsHTML = []; //html of the emails in the thread
+  // build attachments with the forldar name and id
+  Set<int> _expandedEmails = {}; //open emails
+  List viewtypeIDs = []; //IDs of the viewtypes, order matters
+  List heightOfViewTypes = []; //the height of each viewtype
+  List<SerializableMessage> emailsInThread = [];
+  bool _isLoaded = false;
+
+  @override
+  void initState() {
+    // TODO: implement initState
+    super.initState();
+    _registerViewFactory(widget.threadHTML);
+    _serializableData(widget.threadIDs);
+  }
+
+  void _registerViewFactory(List<String> currentContent) async {
+    // setState(() { //update to do item per item
+    // each item to have itsviewtype ID
+    // is this necessarey here??
+
+    //could just move to collapsable
+
+    for (var emailHTML in widget.threadHTML) {
+      String viewTypeId = 'email-${DateTime.now().millisecondsSinceEpoch}';
+
+      final ghost = web.document.createElement('div') as web.HTMLDivElement
+        ..style.visibility = 'hidden'
+        ..style.position = 'absolute'
+        ..style.width = '100%'
+        ..style.overflow = 'auto'
+        ..innerHTML = emailHTML
+            .toJS; // temporarily index because it has to do all of them
+      web.document.body?.append(ghost);
+      await Future.delayed(Duration(milliseconds: 10));
+
+      final heightOfEmail = ghost.scrollHeight;
+      ghost.remove();
+
+      final HTMLsnippet = web.document.createElement('div')
+          as web.HTMLDivElement
+        ..id = viewTypeId
+        ..innerHTML = emailHTML
+            .toJS; // temporarily index because it has to do all of them
+      HTMLsnippet.style
+        ..width = '100%'
+        ..height = '${heightOfEmail}px'
+        ..overflow = 'auto'
+        ..scrollBehavior = 'smooth';
+
+      ui.platformViewRegistry.registerViewFactory(
+        viewTypeId,
+        (int viewId) => HTMLsnippet,
+      );
+      viewtypeIDs.add(viewTypeId);
+      heightOfViewTypes.add(heightOfEmail);
+    }
+  }
+
+  void _serializableData(String threadID) async {
+    emailsInThread = await ApiService().threadsInSerializable(threadID);
+    print("done thread serializable");
+    if (!mounted) return;
+    setState(() {
+      _isLoaded = true;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return _isLoaded 
+      ?Column(children: [
+        Expanded(
+          child: ListView.builder(
+            itemCount: widget.thread.length,
+            itemBuilder: (context, index) {
+              final isExpanded =
+                  _expandedEmails.contains(index); //check if email is expanded
+              return Column(
+                children: [
+                  ListTile(
+                    title: Text(emailsInThread[index].from),
+                    trailing: Text(emailsInThread[index].date),
+                    onTap: () {
+                      setState(() {
+                        if (isExpanded) {
+                          _expandedEmails.remove(index);
+                        } else {
+                          _expandedEmails.add(index);
+                        }
+                      });
+                    },
+                  ),
+                  if (isExpanded)
+                    // if(viewtypeIDs[index] == null || heightOfViewTypes[index] == null)
+                    //   const SizedBox(height: 100, child: Center(child: CircularProgressIndicator())),
+                    SizedBox(
+                      height: heightOfViewTypes[index].toDouble(),
+                      child: HtmlElementView(
+                          key: UniqueKey(), viewType: viewtypeIDs[index]),
+                    ),
+                  Divider(),
+                ],
+              );
+            },
+          ),
+        )
+    ]): const Center(child:CircularProgressIndicator());
+  }
+}