Remove special keyboard handling for text inputs (#57)

lib/components/SpecialTextField.dart

@@ -3,9 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 
-//TODO: please let us delete this file
+/// A normal TextField or CupertinoTextField that looks the same on all platforms
-
-/// A normal TextField or CupertinoTextField that watches for copy, paste, cut, or select all keyboard actions
 class SpecialTextField extends StatefulWidget {
   const SpecialTextField(
       {Key key,
@@ -63,15 +61,8 @@ class SpecialTextField extends StatefulWidget {
 }
 
 class _SpecialTextFieldState extends State<SpecialTextField> {
-  FocusNode _focusNode = FocusNode();
   List<TextInputFormatter> formatters;
 
-  @override
-  void dispose() {
-    _focusNode.dispose();
-    super.dispose();
-  }
-
   @override
   void initState() {
     formatters = widget.inputFormatters;
@@ -84,121 +75,43 @@ class _SpecialTextFieldState extends State<SpecialTextField> {
 
   @override
   Widget build(BuildContext context) {
-    return RawKeyboardListener(
+    return PlatformTextField(
-        focusNode: _focusNode,
+      autocorrect: widget.autocorrect,
-        onKey: _onKey,
+      minLines: widget.minLines,
-        child: PlatformTextField(
+      maxLines: widget.maxLines,
-            autocorrect: widget.autocorrect,
+      maxLength: widget.maxLength,
-            minLines: widget.minLines,
+      maxLengthEnforcement: widget.maxLengthEnforcement,
-            maxLines: widget.maxLines,
+      keyboardType: widget.keyboardType,
-            maxLength: widget.maxLength,
+      keyboardAppearance: widget.keyboardAppearance,
-            maxLengthEnforcement: widget.maxLengthEnforcement,
+      textInputAction: widget.textInputAction,
-            keyboardType: widget.keyboardType,
+      textCapitalization: widget.textCapitalization,
-            keyboardAppearance: widget.keyboardAppearance,
+      textAlign: widget.textAlign,
-            textInputAction: widget.textInputAction,
+      textAlignVertical: widget.textAlignVertical,
-            textCapitalization: widget.textCapitalization,
+      autofocus: widget.autofocus,
-            textAlign: widget.textAlign,
+      focusNode: widget.focusNode,
-            textAlignVertical: widget.textAlignVertical,
+      onChanged: widget.onChanged,
-            autofocus: widget.autofocus,
+      enabled: widget.enabled,
-            focusNode: widget.focusNode,
+      onSubmitted: (_) {
-            onChanged: widget.onChanged,
+        if (widget.nextFocusNode != null) {
-            enabled: widget.enabled,
+          FocusScope.of(context).requestFocus(widget.nextFocusNode);
-            onSubmitted: (_) {
+        }
-              if (widget.nextFocusNode != null) {
+      },
-                FocusScope.of(context).requestFocus(widget.nextFocusNode);
+      expands: widget.expands,
-              }
+      inputFormatters: formatters,
-            },
+      material: (_, __) => MaterialTextFieldData(
-            expands: widget.expands,
+          decoration: InputDecoration(
-            inputFormatters: formatters,
+              border: InputBorder.none,
-            material: (_, __) => MaterialTextFieldData(
+              contentPadding: EdgeInsets.zero,
-                decoration: InputDecoration(
+              isDense: true,
-                    border: InputBorder.none,
+              hintText: widget.placeholder,
-                    contentPadding: EdgeInsets.zero,
+              counterText: '',
-                    isDense: true,
+              suffix: widget.suffix)),
-                    hintText: widget.placeholder,
+      cupertino: (_, __) => CupertinoTextFieldData(
-                    counterText: '',
+          decoration: BoxDecoration(),
-                    suffix: widget.suffix)),
+          padding: EdgeInsets.zero,
-            cupertino: (_, __) => CupertinoTextFieldData(
+          placeholder: widget.placeholder,
-                decoration: BoxDecoration(),
+          suffix: widget.suffix),
-                padding: EdgeInsets.zero,
+      style: widget.style,
-                placeholder: widget.placeholder,
+      controller: widget.controller);
-                suffix: widget.suffix),
-            style: widget.style,
-            controller: widget.controller));
-  }
-
-  _onKey(RawKeyEvent event) {
-    // We don't care about key up events
-    if (event is RawKeyUpEvent) {
-      return;
-    }
-
-    if (event.logicalKey == LogicalKeyboardKey.tab) {
-      // Handle tab to the next node
-      if (widget.nextFocusNode != null) {
-        FocusScope.of(context).requestFocus(widget.nextFocusNode);
-      }
-      return;
-    }
-
-    // Handle special keyboard events with control key
-    if (event.data.isControlPressed) {
-      // Handle paste
-      if (event.logicalKey == LogicalKeyboardKey.keyV) {
-        Clipboard.getData("text/plain").then((data) {
-          // Adjust our clipboard entry to confirm with the leftover space if we have maxLength
-          var text = data.text;
-          if (widget.maxLength != null && widget.maxLength > 0) {
-            var leftover = widget.maxLength - widget.controller.text.length;
-            if (leftover < data.text.length) {
-              text = text.substring(0, leftover);
-            }
-          }
-
-          // If maxLength took us to 0 then bail
-          if (text.length == 0) {
-            return;
-          }
-
-          var end = widget.controller.selection.end;
-          var start = widget.controller.selection.start;
-
-          // Insert our paste buffer into the selection, which can be 0 selected text (normal caret)
-          widget.controller.text = widget.controller.selection.textBefore(widget.controller.text) +
-              text +
-              widget.controller.selection.textAfter(widget.controller.text);
-
-          // Adjust our caret to be at the end of the pasted contents, need to take into account the size of the selection
-          // We may want runes instead of
-          end += text.length - (end - start);
-          widget.controller.selection = TextSelection(baseOffset: end, extentOffset: end);
-        });
-
-        return;
-      }
-
-      // Handle select all
-      if (event.logicalKey == LogicalKeyboardKey.keyA) {
-        widget.controller.selection = TextSelection(baseOffset: 0, extentOffset: widget.controller.text.length);
-        return;
-      }
-
-      // Handle copy
-      if (event.logicalKey == LogicalKeyboardKey.keyC) {
-        Clipboard.setData(ClipboardData(text: widget.controller.selection.textInside(widget.controller.text)));
-        return;
-      }
-
-      // Handle cut
-      if (event.logicalKey == LogicalKeyboardKey.keyX) {
-        Clipboard.setData(ClipboardData(text: widget.controller.selection.textInside(widget.controller.text)));
-
-        var start = widget.controller.selection.start;
-        widget.controller.text = widget.controller.selection.textBefore(widget.controller.text) +
-            widget.controller.selection.textAfter(widget.controller.text);
-        widget.controller.selection = TextSelection(baseOffset: start, extentOffset: start);
-        return;
-      }
-    }
   }
 }