[WIP] Mobile toolbar - Bottom Dialog Block Option [DONE]

Author: edityomurti

lib/src/widgets/controller.dart

@@ -1,7 +1,9 @@
 import 'dart:math' as math;
 
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_quill/models/documents/nodes/leaf.dart';
+import 'package:flutter_quill/src/models/documents/nodes/block.dart';
 import 'package:flutter_quill/src/models/documents/nodes/line.dart';
 import 'package:flutter_quill/src/widgets/sym_widgets/sym_title_widgets/sym_title_kalpataru.dart';
 import 'package:tuple/tuple.dart';
@@ -267,19 +269,21 @@ class QuillController extends ChangeNotifier {
         extentOffset: math.min(selection.extentOffset, end));
   }
 
-  void deleteCurrentLine() {
-    final line = document.getLineFromTextIndex(selection.baseOffset);
+  void deleteSelectedLine([int? selectedTextIndex]) {
+    final line = document
+        .getLineFromTextIndex(selectedTextIndex ?? selection.baseOffset);
 
-    final isEmbed = (line.children.first as Leaf).value is Embeddable;
-    final textIndex = line.offset;
+    final isEmbed = line.children.isNotEmpty
+        ? (line.children.first as Leaf).value is Embeddable
+        : false;
+    final textIndex = selectedTextIndex ?? line.offset;
     int textLength;
     if (!isEmbed) {
       textLength = line.length + 1;
     } else {
       textLength = 1;
     }
 
-    /* SOMEHOW IT DOESN'T WORK LIKE ON THE SymMenuBlockOption */
     if (textLength < document.length) {
       document.delete(textIndex, line.length);
 
@@ -298,9 +302,39 @@ class QuillController extends ChangeNotifier {
             ChangeSource.LOCAL);
       }
     } else {
-      print('replaceText: ${line.length}');
       replaceText(
           0, line.length - 1, '\n', const TextSelection.collapsed(offset: 0));
     }
   }
+
+  Future<void> copyPlainTextSelectedLine([int? selectedTextIndex]) async {
+    final text = document
+        .getTextInLineFromTextIndex(selectedTextIndex ?? selection.baseOffset);
+    await Clipboard.setData(ClipboardData(text: text));
+  }
+
+  void duplicateSelectedLine([int? selectedTextIndex]) {
+    final line = document
+        .getLineFromTextIndex(selectedTextIndex ?? selection.baseOffset);
+
+    final selectedBlock = line.parent is Block ? line.parent as Block : null;
+    var newLineIndex = line.documentOffset + line.length;
+
+    if (line.nextLine == null) {
+      newLineIndex--;
+    }
+
+    document.duplicateLine(newLineIndex, line,
+        selectedBlock?.style.attributes.entries.first.value);
+  }
+
+  void turnSelectedLineInto(Attribute? attribute, [int? selectedTextIndex]) {
+    final textIndex = selectedTextIndex ?? selection.baseOffset;
+    for (final attr in Attribute.blockKeysExceptIndent) {
+      if (attr != attribute) {
+        document.format(textIndex, 0, Attribute.clone(attr, null));
+      }
+    }
+    document.format(textIndex, 0, attribute);
+  }
 }

lib/src/widgets/sym_widgets/sym_menu_block_option.dart

@@ -74,77 +74,16 @@ class _SymMenuBlockOptionState extends State<SymMenuBlockOption> {
     widget.renderEditableTextLine.setLineSelected(true);
     final textIndex = widget.textIndex;
     actionListener = MenuBlockOptionActionListener(onDelete: () {
-      int textLength;
-
-      /*
-            Applying linebreak length (+ 1) on the text length
-            but embeddable (image) considered only contain
-            a linebreak
-          */
-      if (!widget.isEmbeddable) {
-        textLength = widget.controller.document
-                .getTextInLineFromTextIndex(textIndex)
-                .length +
-            1;
-      } else {
-        textLength = 1;
-      }
-
-      if (textLength != widget.controller.document.length) {
-        widget.controller.document.delete(textIndex, textLength);
-
-        final lastCursorIndex = widget.controller.selection.baseOffset;
-
-        if (lastCursorIndex > textIndex) {
-          var newCursorIndex = lastCursorIndex - textLength;
-
-          if (newCursorIndex < 0) {
-            newCursorIndex = 0;
-          }
-
-          widget.controller.updateSelection(
-              TextSelection(
-                  baseOffset: newCursorIndex, extentOffset: newCursorIndex),
-              ChangeSource.LOCAL);
-        }
-      } else {
-        widget.controller.replaceText(
-            0,
-            widget.controller.document
-                .getTextInLineFromTextIndex(textIndex)
-                .length,
-            '\n',
-            const TextSelection(baseOffset: 0, extentOffset: 0));
-      }
+      widget.controller.deleteSelectedLine(textIndex);
     }, onCopy: () async {
-      final text =
-          widget.controller.document.getTextInLineFromTextIndex(textIndex);
-      await Clipboard.setData(ClipboardData(text: text));
+      await widget.controller.copyPlainTextSelectedLine(textIndex);
     }, onDuplicate: () {
-      final selectedLine = widget.renderEditableTextLine.line;
-
-      final selectedBlock =
-          selectedLine.parent is Block ? selectedLine.parent as Block : null;
-      var newLineIndex = selectedLine.documentOffset + selectedLine.length;
-
-      if (selectedLine.nextLine == null) {
-        newLineIndex--;
-      }
-
-      widget.controller.document.duplicateLine(newLineIndex, selectedLine,
-          selectedBlock?.style.attributes.entries.first.value);
+      widget.controller.duplicateSelectedLine(textIndex);
     });
 
     turnIntoListener = MenuBlockOptionTurnIntoListener(
       turnInto: (attribute) {
-        for (final attr in Attribute.blockKeysExceptIndent) {
-          if (attr != attribute) {
-            widget.controller.document
-                .format(textIndex, 0, Attribute.clone(attr, null));
-          }
-        }
-
-        widget.controller.document.format(textIndex, 0, attribute);
+        widget.controller.turnSelectedLineInto(attribute, textIndex);
       },
     );
   }

lib/src/widgets/sym_widgets/sym_toolbar/sym_bottom_menu_block_option.dart

@@ -122,21 +122,23 @@ class SymBottomMenuBlockOption {
             if (type is BlockOptionTypeAction) {
               switch (type.type) {
                 case BlockActionItem.DELETE:
-                  controller.deleteCurrentLine();
+                  controller.deleteSelectedLine();
                   break;
                 case BlockActionItem.COPY:
-                // TODO: Handle this case.
+                  controller.copyPlainTextSelectedLine();
                   break;
                 case BlockActionItem.DUPLICATE:
-                // TODO: Handle this case.
+                  controller.duplicateSelectedLine();
                   break;
                 case BlockActionItem.INDENT_LEFT:
-                // TODO: Handle this case.
+
                   break;
                 case BlockActionItem.INDENT_RIGHT:
-                // TODO: Handle this case.
+
                   break;
               }
+            } else if (type is BlockOptionTypeAttribute) {
+              controller.turnSelectedLineInto(type.attr);
             }
           });
         },