465 lines
14 KiB
Dart
465 lines
14 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter_quill/flutter_quill.dart';
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import 'package:ainoval/utils/logger.dart';
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import 'package:flutter_quill/quill_delta.dart';
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/// AI生成内容处理器
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/// 用于为AI生成的内容添加蓝色样式标识，并管理临时状态
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class AIGeneratedContentProcessor {
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static const String _tag = 'AIGeneratedContentProcessor';
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/// AI生成内容的自定义属性名
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static const String aiGeneratedAttr = 'ai-generated';
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/// AI生成内容样式属性名（用于CSS选择器识别）
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static const String aiGeneratedStyleAttr = 'ai-generated-style';
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/// 🆕 隐藏文本的自定义属性名（用于重构时隐藏原文本）
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static const String hiddenTextAttr = 'hidden-text';
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/// 🆕 隐藏文本样式属性名（用于CSS选择器识别）
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static const String hiddenTextStyleAttr = 'hidden-text-style';
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/// 🎯 为指定范围的文本添加AI生成标识
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static void markAsAIGenerated({
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required QuillController controller,
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required int startOffset,
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required int length,
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}) {
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try {
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//AppLogger.d(_tag, '🎨 标记AI生成内容: 位置 $startOffset-${startOffset + length}');
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// 保存当前选择
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final originalSelection = controller.selection;
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// 创建AI生成内容的自定义属性
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const aiGeneratedAttribute = Attribute(
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aiGeneratedAttr,
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AttributeScope.inline,
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'true',
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);
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// 创建AI生成内容样式属性（用于CSS识别）
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const aiGeneratedStyleAttribute = Attribute(
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aiGeneratedStyleAttr,
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AttributeScope.inline,
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'generated',
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);
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// 应用AI生成标识属性
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controller.formatText(startOffset, length, aiGeneratedAttribute);
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controller.formatText(startOffset, length, aiGeneratedStyleAttribute);
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// 恢复选择状态
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controller.updateSelection(originalSelection, ChangeSource.silent);
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//AppLogger.v(_tag, '✅ AI生成内容标记完成');
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} catch (e) {
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AppLogger.e(_tag, '标记AI生成内容失败', e);
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}
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}
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/// 🆕 为指定范围的文本添加隐藏标识（用于重构时隐藏原文本）
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static void markAsHidden({
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required QuillController controller,
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required int startOffset,
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required int length,
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}) {
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try {
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AppLogger.i(_tag, '🫥 标记隐藏文本: 位置 $startOffset-${startOffset + length}');
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// 保存当前选择
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final originalSelection = controller.selection;
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// 创建隐藏文本的自定义属性
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const hiddenAttribute = Attribute(
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hiddenTextAttr,
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AttributeScope.inline,
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'true',
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);
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// 创建隐藏文本样式属性（用于CSS识别）
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const hiddenStyleAttribute = Attribute(
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hiddenTextStyleAttr,
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AttributeScope.inline,
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'hidden',
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);
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// 应用隐藏标识属性
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controller.formatText(startOffset, length, hiddenAttribute);
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controller.formatText(startOffset, length, hiddenStyleAttribute);
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// 恢复选择状态
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controller.updateSelection(originalSelection, ChangeSource.silent);
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AppLogger.v(_tag, '✅ 隐藏文本标记完成');
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} catch (e) {
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AppLogger.e(_tag, '标记隐藏文本失败', e);
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}
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}
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/// 🎯 移除AI生成标识，将内容转为正常文本
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static void removeAIGeneratedMarks({
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required QuillController controller,
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int? startOffset,
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int? length,
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}) {
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try {
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AppLogger.i(_tag, '🗑️ 移除AI生成标识');
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final document = controller.document;
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final plainText = document.toPlainText();
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final removeStart = startOffset ?? 0;
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final removeLength = length ?? plainText.length;
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if (removeLength <= 0) return;
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// 保存当前选择
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final originalSelection = controller.selection;
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// 移除AI生成相关的属性
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final removeAttributes = [
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Attribute(aiGeneratedAttr, AttributeScope.inline, null),
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Attribute(aiGeneratedStyleAttr, AttributeScope.inline, null),
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];
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for (final attr in removeAttributes) {
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controller.formatText(removeStart, removeLength, attr);
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}
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// 恢复选择状态
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controller.updateSelection(originalSelection, ChangeSource.silent);
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AppLogger.i(_tag, '✅ AI生成标识移除完成');
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} catch (e) {
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AppLogger.e(_tag, '移除AI生成标识失败', e);
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}
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}
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/// 🆕 移除隐藏标识，显示文本（用于恢复原文本）
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static void removeHiddenMarks({
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required QuillController controller,
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int? startOffset,
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int? length,
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}) {
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try {
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AppLogger.i(_tag, '👁️ 移除隐藏标识，显示文本');
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final document = controller.document;
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final plainText = document.toPlainText();
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final removeStart = startOffset ?? 0;
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final removeLength = length ?? plainText.length;
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if (removeLength <= 0) return;
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// 保存当前选择
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final originalSelection = controller.selection;
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// 移除隐藏相关的属性
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final removeAttributes = [
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Attribute(hiddenTextAttr, AttributeScope.inline, null),
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Attribute(hiddenTextStyleAttr, AttributeScope.inline, null),
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];
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for (final attr in removeAttributes) {
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controller.formatText(removeStart, removeLength, attr);
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}
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// 恢复选择状态
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controller.updateSelection(originalSelection, ChangeSource.silent);
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AppLogger.i(_tag, '✅ 隐藏标识移除完成，文本已显示');
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} catch (e) {
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AppLogger.e(_tag, '移除隐藏标识失败', e);
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}
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}
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/// 🎯 检查指定范围是否包含AI生成内容
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static bool hasAIGeneratedContent({
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required QuillController controller,
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required int startOffset,
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required int length,
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}) {
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try {
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final document = controller.document;
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// 遍历指定范围内的所有节点，检查是否有AI生成标识
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final delta = document.toDelta();
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int currentOffset = 0;
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for (final operation in delta.operations) {
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if (operation.isInsert) {
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final opLength = operation.length!;
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final opEnd = currentOffset + opLength;
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// 检查操作是否与指定范围重叠
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if (currentOffset < startOffset + length && opEnd > startOffset) {
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// 检查操作的属性中是否包含AI生成标识
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final attributes = operation.attributes;
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if (attributes != null && attributes.containsKey(aiGeneratedAttr)) {
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return true;
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}
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}
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currentOffset = opEnd;
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}
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}
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return false;
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} catch (e) {
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AppLogger.e(_tag, '检查AI生成内容失败', e);
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return false;
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}
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}
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/// 🎯 获取所有AI生成内容的范围
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static List<({int start, int length})> getAIGeneratedRanges({
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required QuillController controller,
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}) {
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final ranges = <({int start, int length})>[];
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try {
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final document = controller.document;
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final delta = document.toDelta();
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int currentOffset = 0;
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for (final operation in delta.operations) {
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if (operation.isInsert) {
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final opLength = operation.length!;
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// 检查操作的属性中是否包含AI生成标识
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final attributes = operation.attributes;
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if (attributes != null && attributes.containsKey(aiGeneratedAttr)) {
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ranges.add((start: currentOffset, length: opLength));
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}
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currentOffset += opLength;
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}
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}
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AppLogger.d(_tag, '📍 找到 ${ranges.length} 个AI生成内容范围');
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} catch (e) {
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AppLogger.e(_tag, '获取AI生成内容范围失败', e);
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}
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return ranges;
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}
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/// 🎯 获取自定义样式构建器，用于处理AI生成内容和隐藏文本的显示样式
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static TextStyle Function(Attribute) getCustomStyleBuilder() {
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return (Attribute attribute) {
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// 处理AI生成内容的样式标记
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if (attribute.key == aiGeneratedStyleAttr &&
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attribute.value == 'generated') {
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return const TextStyle(
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color: Color(0xFF2196F3), // 蓝色文字
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// 可以添加更多样式，如背景色、下划线等
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);
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}
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// 🆕 处理隐藏文本的样式标记
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if (attribute.key == hiddenTextStyleAttr &&
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attribute.value == 'hidden') {
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return const TextStyle(
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color: Color(0x40000000), // 25%透明度的黑色，几乎看不见
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decoration: TextDecoration.lineThrough, // 删除线
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decorationColor: Color(0x60FF0000), // 半透明红色删除线
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decorationThickness: 1.5,
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// 可选：背景色表示这是被隐藏的内容
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// backgroundColor: Color(0x10FF0000), // 淡红色背景
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);
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}
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return const TextStyle();
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};
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}
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/// 🎯 清除所有AI生成标识（通常在apply时调用）
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static void clearAllAIGeneratedMarks({
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required QuillController controller,
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}) {
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try {
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AppLogger.i(_tag, '🧹 清除所有AI生成标识');
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removeAIGeneratedMarks(
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controller: controller,
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startOffset: 0,
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length: controller.document.toPlainText().length,
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);
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} catch (e) {
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AppLogger.e(_tag, '清除所有AI生成标识失败', e);
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}
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}
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/// 🆕 获取所有隐藏文本的范围
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static List<({int start, int length})> getHiddenTextRanges({
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required QuillController controller,
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}) {
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final ranges = <({int start, int length})>[];
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try {
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final document = controller.document;
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final delta = document.toDelta();
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int currentOffset = 0;
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for (final operation in delta.operations) {
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if (operation.isInsert) {
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final opLength = operation.length!;
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// 检查操作的属性中是否包含隐藏标识
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final attributes = operation.attributes;
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if (attributes != null && attributes.containsKey(hiddenTextAttr)) {
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ranges.add((start: currentOffset, length: opLength));
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}
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currentOffset += opLength;
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}
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}
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AppLogger.d(_tag, '📍 找到 ${ranges.length} 个隐藏文本范围');
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} catch (e) {
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AppLogger.e(_tag, '获取隐藏文本范围失败', e);
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}
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return ranges;
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}
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/// 🆕 检查指定范围是否包含隐藏文本
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static bool hasHiddenText({
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required QuillController controller,
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required int startOffset,
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required int length,
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}) {
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try {
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final document = controller.document;
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// 遍历指定范围内的所有节点，检查是否有隐藏标识
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final delta = document.toDelta();
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int currentOffset = 0;
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for (final operation in delta.operations) {
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if (operation.isInsert) {
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final opLength = operation.length!;
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final opEnd = currentOffset + opLength;
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// 检查操作是否与指定范围重叠
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if (currentOffset < startOffset + length && opEnd > startOffset) {
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// 检查操作的属性中是否包含隐藏标识
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final attributes = operation.attributes;
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if (attributes != null && attributes.containsKey(hiddenTextAttr)) {
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return true;
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}
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}
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currentOffset = opEnd;
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}
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}
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return false;
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} catch (e) {
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AppLogger.e(_tag, '检查隐藏文本失败', e);
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return false;
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}
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}
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/// 🆕 获取过滤掉隐藏文本的纯文本内容（用于保存）
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static String getVisibleTextOnly({
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required QuillController controller,
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}) {
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try {
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final document = controller.document;
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final delta = document.toDelta();
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final visibleText = StringBuffer();
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for (final operation in delta.operations) {
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if (operation.isInsert) {
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final text = operation.data.toString();
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final attributes = operation.attributes;
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// 只包含非隐藏的文本
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if (attributes == null || !attributes.containsKey(hiddenTextAttr)) {
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visibleText.write(text);
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}
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}
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}
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final result = visibleText.toString();
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AppLogger.d(_tag, '📝 过滤后可见文本长度: ${result.length}');
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return result;
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} catch (e) {
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AppLogger.e(_tag, '获取可见文本失败', e);
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return controller.document.toPlainText(); // 回退到原始文本
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}
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}
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/// 🆕 获取过滤掉隐藏文本的Delta JSON（用于保存）
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static String getVisibleDeltaJsonOnly({
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required QuillController controller,
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}) {
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try {
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final document = controller.document;
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final originalDelta = document.toDelta();
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final visibleOperations = <Map<String, dynamic>>[];
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for (final operation in originalDelta.operations) {
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if (operation.isInsert) {
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final attributes = operation.attributes;
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// 只包含非隐藏的操作
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if (attributes == null || !attributes.containsKey(hiddenTextAttr)) {
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visibleOperations.add(operation.toJson());
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}
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} else {
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// 保留非插入操作（删除、保持等）
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visibleOperations.add(operation.toJson());
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}
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}
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final visibleDeltaJson = {'ops': visibleOperations};
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AppLogger.d(_tag, '📝 过滤后Delta操作数量: ${visibleOperations.length}');
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return jsonEncode(visibleDeltaJson);
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} catch (e) {
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AppLogger.e(_tag, '获取可见Delta JSON失败', e);
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return jsonEncode(controller.document.toDelta().toJson()); // 回退到原始Delta
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}
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}
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/// 🎯 检查文档是否包含任何AI生成内容
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static bool hasAnyAIGeneratedContent({
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required QuillController controller,
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}) {
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try {
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final ranges = getAIGeneratedRanges(controller: controller);
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return ranges.isNotEmpty;
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} catch (e) {
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AppLogger.e(_tag, '检查AI生成内容失败', e);
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return false;
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}
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}
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/// 🆕 检查文档是否包含任何隐藏文本
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static bool hasAnyHiddenText({
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required QuillController controller,
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}) {
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try {
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final ranges = getHiddenTextRanges(controller: controller);
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return ranges.isNotEmpty;
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} catch (e) {
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AppLogger.e(_tag, '检查隐藏文本失败', e);
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return false;
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}
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}
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} |