16 changed files with 462 additions and 14 deletions
@ -0,0 +1,34 @@
@@ -0,0 +1,34 @@
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import 'package:win_text_editor/shared/base/base_content_controller.dart'; |
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import 'grid_view_controller.dart'; |
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class DataFormatController extends BaseContentController { |
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final GridViewController gridController; |
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//---------------初始化方法---- |
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DataFormatController() : gridController = GridViewController() { |
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_setupCrossControllerCommunication(); |
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} |
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//设置跨控制器状态协同 |
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void _setupCrossControllerCommunication() {} |
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//----------------业务入口方法----- |
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//--------------------私有方法--------- |
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//-----------框架回调-- |
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@override |
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void onOpenFile(String filePath) {} |
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@override |
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void onOpenFolder(String folderPath) { |
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// 不支持打开文件夹 |
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} |
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@override |
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void dispose() { |
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gridController.dispose(); |
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super.dispose(); |
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} |
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} |
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@ -0,0 +1,53 @@
@@ -0,0 +1,53 @@
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// grid_view_controller.dart |
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import 'package:win_text_editor/shared/base/safe_notifier.dart'; |
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import 'package:win_text_editor/modules/template_parser/models/template_node.dart'; |
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class GridViewController extends SafeNotifier { |
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List<TemplateItem> _templateItems = []; |
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List<TemplateItem> _filteredItems = []; |
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bool _isFilterApplied = false; |
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List<TemplateItem> get displayedItems => _isFilterApplied ? _filteredItems : _templateItems; |
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bool get isFilterApplied => _isFilterApplied; |
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List<TemplateItem> get templateItems => _templateItems; |
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// 新增方法：更新节点引用 |
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List<TemplateNode>? _currentTreeNodes; |
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void updateTreeNodesRef(List<TemplateNode> nodes) { |
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_currentTreeNodes = nodes; |
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safeNotify(); |
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} |
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List<TemplateNode> getSelectedNodes() { |
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if (_currentTreeNodes == null) return []; |
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List<TemplateNode> selectedNodes = []; |
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void traverse(TemplateNode node) { |
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if (node.isChecked) selectedNodes.add(node); |
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for (var child in node.children) { |
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traverse(child); |
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} |
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} |
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for (var node in _currentTreeNodes!) { |
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traverse(node); |
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} |
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return selectedNodes; |
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} |
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void updateTemplateItems(List<TemplateItem> items) { |
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_templateItems = items; |
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safeNotify(); |
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} |
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void applyFilter(List<TemplateItem> filteredItems) { |
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_filteredItems = filteredItems; |
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_isFilterApplied = true; |
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safeNotify(); |
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} |
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void clearFilter() { |
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_isFilterApplied = false; |
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safeNotify(); |
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} |
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} |
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@ -0,0 +1,64 @@
@@ -0,0 +1,64 @@
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import 'package:flutter/material.dart'; |
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import 'package:win_text_editor/shared/components/tree_view.dart'; |
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class TemplateNode implements TreeNode { |
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@override |
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final String name; |
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@override |
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final List<TemplateNode> children; |
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@override |
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final int depth; |
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@override |
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bool isExpanded; |
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final String path; |
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bool isRepeated; |
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bool isAttribute; |
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int repreatCount; |
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bool isChecked; // 新增属性，用于记录节点是否被选中 |
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TemplateNode({ |
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required this.name, |
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required this.children, |
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required this.depth, |
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required this.path, |
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this.isExpanded = false, |
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this.isRepeated = false, |
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this.isAttribute = false, |
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this.repreatCount = 1, |
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this.isChecked = false, // 初始化默认未选中 |
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}); |
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@override |
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bool get isDirectory => children.isNotEmpty; |
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@override |
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IconData? get iconData => isAttribute ? Icons.code : Icons.label_outline; |
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@override |
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String get id => path; |
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} |
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enum NodeType { element, attribute, text } |
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class TemplateItem { |
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final int id; |
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final String rowId; |
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final String content; |
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final String xPath; |
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final String value; |
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final NodeType nodeType; |
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TemplateItem({ |
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required this.id, |
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required this.rowId, |
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required this.content, |
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required this.xPath, |
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required this.value, |
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required this.nodeType, |
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}); |
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bool matchesPath(String path) { |
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return xPath == path; |
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} |
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} |
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@ -0,0 +1,55 @@
@@ -0,0 +1,55 @@
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import 'package:flutter/material.dart'; |
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import 'package:provider/provider.dart'; |
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import 'package:win_text_editor/framework/controllers/tab_items_controller.dart'; |
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import 'package:win_text_editor/modules/data_format/controllers/data_format_controller.dart'; |
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import 'package:win_text_editor/modules/data_format/widgets/grid_view.dart'; |
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class DataFormatView extends StatefulWidget { |
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final String tabId; |
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const DataFormatView({super.key, required this.tabId}); |
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@override |
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State<DataFormatView> createState() => _DataFormatViewState(); |
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} |
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class _DataFormatViewState extends State<DataFormatView> { |
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late final DataFormatController _controller; |
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get tabManager => Provider.of<TabItemsController>(context, listen: false); |
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@override |
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void initState() { |
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super.initState(); |
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_controller = tabManager.getController(widget.tabId) ?? DataFormatController(); |
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} |
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@override |
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void dispose() { |
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_controller.dispose(); |
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super.dispose(); |
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} |
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@override |
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Widget build(BuildContext context) { |
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return MultiProvider( |
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providers: [ |
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ChangeNotifierProvider.value(value: _controller), |
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ChangeNotifierProvider.value(value: _controller.gridController), |
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], |
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child: Padding( |
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padding: const EdgeInsets.all(8.0), |
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child: Column(children: [const SizedBox(height: 8), Expanded(child: _buildMainContent())]), |
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), |
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); |
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} |
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Widget _buildMainContent() { |
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return Consumer<DataFormatController>( |
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builder: (context, controller, _) { |
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return const Row( |
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children: [SizedBox(width: 8), Expanded(child: Card(child: DataGridView()))], |
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); |
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}, |
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); |
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} |
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} |
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@ -0,0 +1,215 @@
@@ -0,0 +1,215 @@
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import 'package:flutter/material.dart'; |
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import 'package:provider/provider.dart'; |
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import 'package:syncfusion_flutter_datagrid/datagrid.dart'; |
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import 'package:win_text_editor/modules/template_parser/controllers/grid_view_controller.dart'; |
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import 'package:win_text_editor/modules/template_parser/models/template_node.dart'; |
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import 'package:file_picker/file_picker.dart'; |
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import 'dart:io'; |
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class DataGridView extends StatelessWidget { |
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const DataGridView({super.key}); |
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@override |
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Widget build(BuildContext context) { |
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return Consumer<GridViewController>( |
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builder: (context, controller, _) { |
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return GestureDetector( |
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onSecondaryTapDown: (details) { |
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_showContextMenu(context, details.globalPosition, controller); |
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}, |
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child: _buildGridView(controller), |
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); |
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}, |
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); |
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} |
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Future<void> _showContextMenu( |
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BuildContext context, |
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Offset position, |
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GridViewController controller, |
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) async { |
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final renderBox = context.findRenderObject() as RenderBox; |
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final localPosition = renderBox.globalToLocal(position); |
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final result = await showMenu<String>( |
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context: context, |
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position: RelativeRect.fromLTRB( |
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position.dx, |
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position.dy, |
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position.dx + renderBox.size.width - localPosition.dx, |
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position.dy + renderBox.size.height - localPosition.dy, |
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), |
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items: [const PopupMenuItem<String>(value: 'export', child: Text('导出(csv)'))], |
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); |
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if (result == 'export' && context.mounted) { |
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try { |
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await _exportToCsv(controller); |
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} catch (e) { |
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if (context.mounted) { |
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ScaffoldMessenger.of( |
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context, |
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).showSnackBar(SnackBar(content: Text('导出失败: ${e.toString()}'))); |
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} |
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} |
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} |
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} |
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Future<void> _exportToCsv(GridViewController controller) async { |
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final selectedNodes = controller.getSelectedNodes(); |
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if (selectedNodes.isEmpty) return; |
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// 直接从数据源获取数据 |
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final dataSource = _TemplateItemDataSource( |
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rows: _buildDataRows(selectedNodes, controller.displayedItems), |
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selectedNodes: selectedNodes, |
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); |
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// 构建表头 |
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String csvData = '序号\t'; |
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csvData += selectedNodes |
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.map((node) => node.isAttribute ? node.name.substring(1) : node.name) |
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.join('\t'); |
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csvData += '\n'; |
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// 填充数据 |
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for (final row in dataSource.rows) { |
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csvData += '${row.getCells()[0].value}\t'; // 序号 |
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for (int i = 1; i < row.getCells().length; i++) { |
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csvData += row.getCells()[i].value.toString(); |
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if (i < row.getCells().length - 1) csvData += '\t'; |
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} |
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csvData += '\n'; |
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} |
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// 保存文件 |
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final filePath = await FilePicker.platform.saveFile( |
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dialogTitle: '保存导出结果', |
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fileName: 'template_results.csv', |
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type: FileType.custom, |
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allowedExtensions: ['csv'], |
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); |
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if (filePath != null) { |
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await File(filePath).writeAsString(csvData); |
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} |
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} |
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Widget _buildGridView(GridViewController controller) { |
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final selectedNodes = controller.getSelectedNodes(); |
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if (selectedNodes.isEmpty) { |
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return const Center(child: Text('请在左侧树中选择要显示的节点（勾选复选框）')); |
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} |
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// 获取所有需要显示的数据项 |
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final allItems = controller.displayedItems; |
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// 构建数据行 - 每个父节点实例为一行 |
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final rows = _buildDataRows(selectedNodes, allItems); |
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final dataSource = _TemplateItemDataSource(rows: rows, selectedNodes: selectedNodes); |
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// 构建列 |
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final columns = <GridColumn>[ |
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GridColumn( |
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columnName: 'index', |
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width: 60, |
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label: Container( |
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padding: const EdgeInsets.all(8.0), |
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color: Colors.grey[200], |
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alignment: Alignment.center, |
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child: const Text('序号'), |
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), |
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), |
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...selectedNodes.map((node) { |
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return GridColumn( |
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columnName: node.path, |
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label: Container( |
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padding: const EdgeInsets.all(8.0), |
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alignment: Alignment.center, |
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color: Colors.grey[200], |
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child: Text(node.isAttribute ? node.name.substring(1) : node.name), |
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), |
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); |
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}).toList(), |
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]; |
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return SfDataGrid( |
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source: dataSource, |
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columns: columns, |
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gridLinesVisibility: GridLinesVisibility.both, |
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headerGridLinesVisibility: GridLinesVisibility.both, |
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columnWidthMode: ColumnWidthMode.fill, |
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); |
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} |
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List<Map<String, dynamic>> _buildDataRows( |
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List<TemplateNode> selectedNodes, |
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List<TemplateItem> allItems, |
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) { |
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final instanceMap = <String, Map<String, dynamic>>{}; |
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// 1. 先按实例分组 |
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for (final item in allItems) { |
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// 2. 只填充选中的列 |
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if (selectedNodes.any((n) => n.path == item.xPath)) { |
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final instanceId = item.rowId; // 或使用其他分组逻辑 |
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instanceMap.putIfAbsent(instanceId, () => {'_index': instanceMap.length + 1}); |
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instanceMap[instanceId]![item.xPath] = item.value; |
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} |
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} |
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// 3. 确保所有选中列都存在 |
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return instanceMap.values.map((row) { |
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for (final node in selectedNodes) { |
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row.putIfAbsent(node.path, () => row[node.path] ?? ''); |
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} |
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return row; |
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}).toList(); |
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} |
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} |
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class _TemplateItemDataSource extends DataGridSource { |
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final List<Map<String, dynamic>> _rows; |
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final List<TemplateNode> selectedNodes; |
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_TemplateItemDataSource({required List<Map<String, dynamic>> rows, required this.selectedNodes}) |
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: _rows = rows; |
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@override |
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List<DataGridRow> get rows { |
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// print("[DEBUG] 原始可加载记录数:${_rows.length}"); |
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return _rows.asMap().entries.map((entry) { |
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final index = entry.key; |
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final rowData = entry.value; |
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|
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return DataGridRow( |
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cells: [ |
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DataGridCell<int>(columnName: 'index', value: index + 1), |
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...selectedNodes.map((node) { |
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return DataGridCell<String>( |
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columnName: node.path, |
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value: rowData[node.path]?.toString() ?? '', |
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); |
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}).toList(), |
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], |
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); |
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}).toList(); |
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} |
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|
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@override |
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DataGridRowAdapter? buildRow(DataGridRow row) { |
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return DataGridRowAdapter( |
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cells: |
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row.getCells().map<Widget>((dataGridCell) { |
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return Container( |
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padding: const EdgeInsets.all(8.0), |
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alignment: |
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dataGridCell.columnName == 'index' ? Alignment.center : Alignment.centerLeft, |
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child: Text(dataGridCell.value.toString()), |
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); |
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}).toList(), |
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); |
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} |
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} |
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@ -1,7 +1,7 @@
@@ -1,7 +1,7 @@
|
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// template_notifier.dart |
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import 'package:flutter/foundation.dart'; |
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|
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abstract class TemplateNotifier extends ChangeNotifier { |
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abstract class SafeNotifier extends ChangeNotifier { |
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@protected |
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void safeNotify() { |
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if (hasListeners) notifyListeners(); |
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