{"id":2942,"date":"2023-09-12T12:05:00","date_gmt":"2023-09-12T03:05:00","guid":{"rendered":"https:\/\/comcent.co.jp\/blog\/?p=2942"},"modified":"2023-09-07T17:08:24","modified_gmt":"2023-09-07T08:08:24","slug":"flutter%e3%81%aedrag_and_drop_lists%e3%81%a7%e4%b8%a6%e3%81%b3%e6%9b%bf%e3%81%88%e5%8f%af%e8%83%bd%e3%81%8b%e3%81%a4%e9%96%8b%e9%96%89%e5%8f%af%e8%83%bd%e3%81%8b%e3%81%a4%e7%b7%a8%e9%9b%86%e5%8f%af","status":"publish","type":"post","link":"https:\/\/comcent.co.jp\/blog\/archives\/2942\/","title":{"rendered":"Flutter\u306edrag_and_drop_lists\u3067\u4e26\u3073\u66ff\u3048\u53ef\u80fd\u304b\u3064\u958b\u9589\u53ef\u80fd\u304b\u3064\u7de8\u96c6\u53ef\u80fd\u306a\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b"},"content":{"rendered":"\n

\u4f5c\u6210\u65e5\uff1a2023\/07\/31
\u6700\u7d42\u66f4\u65b0\u65e5\uff1a2023\/07\/31<\/p>\n\n\n\n

\u74b0\u5883<\/h4>\n\n\n\n

\u203b\u52d5\u4f5c\u78ba\u8a8d\u306fAndroid\u3067\u306e\u307f\u884c\u3044\u307e\u3057\u305f\u3002
drag_and_drop_lists\uff1a0.3.3
flutter\uff1a3.7.10<\/p>\n\n\n\n

\u306f\u3058\u3081\u306b<\/h4>\n\n\n\n

\u5358\u7d14\u306bText\u3060\u3051\u306eDragAndDropItem\u306e\u5834\u5408\u306f\u30c7\u30e2\u901a\u308a\u3067\u3067\u304d\u305f\u306e\u3067\u3059\u304c\u3001\u30ea\u30b9\u30c8\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u969b\u306b\u5c11\u3057\u624b\u9593\u53d6\u3063\u305f\u306e\u3067\u6210\u529f\u3057\u305f\u30d1\u30bf\u30fc\u30f3\u3092\u5171\u6709\u3057\u307e\u3059\u3002

\u4eca\u56de\u306f\u3001
DragAndDropListExpansion\u306b
\u30fbExpansionIcon\u306f\u305d\u306e\u307e\u307e\u306b\u3001dragHandle\u306e\u4f5c\u6210
\u30fb\u4ed6\u6a5f\u80fd\u7528\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0
child\u306b
\u30fbdragHandle\u306e\u4f5c\u6210
\u30fb\u4ed6\u6a5f\u80fd\u7528\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0<\/p>\n\n\n\n

\u3092\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ea\u30b9\u30c8<\/h4>\n\n\n\n

\u307e\u305a\u3001\u4ee5\u4e0b\u306f\u30c7\u30e2\u306b\u8a18\u8f09\u306e\u3042\u308b\u30ea\u30b9\u30c8\u3067\u3059\u3002
\u203b\u5fc5\u8981\u306a\u90e8\u5206\u306e\u307f\u629c\u7c8b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\n
DragAndDropLists(\n        children: List.generate(_lists.length, (index) => _buildList(index)),\n        onItemReorder: _onItemReorder,\n        onListReorder: _onListReorder,\n)\n_buildList(int outerIndex) {\n    var innerList = _lists[outerIndex];\n    return DragAndDropListExpansion(\n      title: Text('List ${innerList.name}'),\n      subtitle: Text('Subtitle ${innerList.name}'),\n      leading: const Icon(Icons.ac_unit),\n      children: List.generate(innerList.children.length,\n          (index) => _buildItem(innerList.children[index])),\n      listKey: ObjectKey(innerList),\n    );\n  }\n_buildItem(String item) {\n    return DragAndDropItem(\n      child: ListTile(\n        title: Text(item),\n      ),\n    );\n  }<\/code><\/pre>\n<\/div>\n\n\n\n
\u307e\u305a\u306f\u3001\u89aa\u306e\u30ea\u30b9\u30c8\u3092\u5909\u66f4\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u89aa\uff1aExpansionIcon\u306f\u305d\u306e\u307e\u307e\u306b\u3001dragHandle\u306e\u4f5c\u6210<\/h4>\n\n\n\n
DragAndDropLists\u306blistDragHandle\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\n
DragAndDropLists(\n      ...\n      listDragHandle: const DragHandle(\n       child: \n\u3000\u3000\u3000\u3000   Icon(\n            Icons.menu,\n            color: Colors.white,\n          ),\n      ),\n    );<\/code><\/pre>\n<\/div>\n\n\n\n
\u3053\u308c\u3067\u3001Icon\u306e\u8868\u793a\u306f\u3067\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u4f4d\u7f6e\u304cExpansionIcon\u3068\u304b\u3076\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u3053\u306e\u307e\u307e\u3067\u306f\u64cd\u4f5c\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3001dragHandle\u3092\u53f3\u5074\u306b\u3001ExpansionIcon\u3092\u5c11\u3057\u5de6\u5bc4\u308a\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u307e\u305a\u306f\u3001dragHandle\u306e\u4f4d\u7f6e\u3092Padding\u3067\u8abf\u7bc0\u3057\u307e\u3059<\/p>\n\n\n\n
\n
listDragHandle: const DragHandle(\n        verticalAlignment: DragHandleVerticalAlignment.top,\n        child: Padding(\n          padding: EdgeInsets.only(right: 10, top: 18),\n          child: Icon(\n            Icons.menu,\n            color: Colors.white,\n          ),\n        ),\n      ),<\/code><\/pre>\n<\/div>\n\n\n\n
\u6b21\u306b\u3001ExpansionIcon\u306e\u4f4d\u7f6e\u3092\u8abf\u7bc0\u3057\u307e\u3059\u3002
_buildList\u5185\u306eDragAndDropListExpansion\u306btrailing\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
_buildList(int outerIndex) {\n    return DragAndDropListExpansion(\n      ...\n      trailing: Container(\n        padding: EdgeInsets.only(right: 20),\n        child: Icon(\n          listItem.isExpanded\n              ? Icons.keyboard_arrow_up\n              : Icons.keyboard_arrow_down,\n          color: Colors.white,\n        ),\n      ),\n    );\n  }<\/code><\/pre><\/div>\n\n\n\n
Container\u3068Padding\u3067\u4f4d\u7f6e\u3092\u8abf\u7bc0\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u4ee5\u4e0a\u3067\u3001ExpansionIcon\u306f\u305d\u306e\u307e\u307e\u306b\u3001dragHandle\u306e\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u89aa\uff1a\u4ed6\u6a5f\u80fd\u7528\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0<\/h4>\n\n\n\n
\u6b21\u306b\u3001DragAndDropListExpansion\u306b\u4ed6\u306e\u6a5f\u80fd\u3092\u6301\u3063\u305f\u30dc\u30bf\u30f3\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3059\u3002
\u4eca\u56de\u8ffd\u52a0\u3059\u308b\u30dc\u30bf\u30f3\u306f\u30b7\u30f3\u30d7\u30eb\u306b\u3001Title\u306e\u5185\u5bb9\u3092\u7de8\u96c6\u3067\u304d\u308b\u30dc\u30bf\u30f3\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
Title\u306e\u6a2a\u306b\u30dc\u30bf\u30f3\u3092\u4ed8\u3051\u305f\u3044\u306e\u3067\u3001Title\u306eText\u3068\u305d\u306e\u6a2a\u306e\u30a2\u30a4\u30b3\u30f3\u7528\u306b\u3001Flex\u3067\u5e45\u3092\u3068\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
DragAndDropListExpansion(\n      title: Row(\n        children: [\n          Expanded(\n            flex: 75,\n            child: _isEditing ? \n             TextFormField(\n                style: TextStyle(\n                    color: Colors.white,\n                    fontWeight: FontWeight.bold\n                ),\n              )\n             :Text(\n              listItem.name,\n              style: TextStyle(\n                color: Colors.white,\n                fontWeight: FontWeight.bold,\n              ),\n              softWrap: true,\n            ),\n          ),\n          Expanded(\n            flex: 25,\n            child: Transform.translate(\n              offset: Offset(20, 0),\n              child: IconButton(\n                onPressed: (){\n                  setState(() {\n                    _isEditing = true;\n                  });\n                },\n                icon: Icon(\n                    Icons.edit,\n                    color: Colors.white\n                ),\n              ),\n            ),\n          )\n        ],\n      ),<\/code><\/pre><\/div>\n\n\n\n
Icons.edit\u306eonPressed\u3067_isEditing\u3092\u30c8\u30b0\u30eb\u3057\u3001_isEditing\u306e\u7d50\u679c\u306b\u3088\u308aText\u304bTextField\u304b\u3092\u51fa\u3057\u5206\u3051\u307e\u3059\u3002
\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u3001\u6a5f\u80fd\u3092\u3082\u3063\u305f\u30dc\u30bf\u30f3\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u3053\u308c\u3067\u3001\u89aa\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306f\u5b8c\u6210\u3067\u3059\u3002<\/p>\n\n\n\n
\u5b50\uff1adragHandle\u306e\u4f5c\u6210<\/h4>\n\n\n\n
\u6b21\u306b\u3001\u5b50\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u306b\u5165\u308a\u307e\u3059\u3002
\u6700\u521d\u306b\u3001dragHandle\u3092\u4ed8\u3051\u307e\u3059\u3002
\u89aa\u306bdragHandle\u3092\u3064\u3051\u305f\u3068\u304d\u3068\u540c\u69d8\u306b\u3001\u5927\u5143\u306eDragAndDropLists\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u79c1\u306f\u3053\u3053\u3067\u3001Padding\u3067\u4f4d\u7f6e\u306e\u5fae\u8abf\u6574\u3092\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
DragAndDropLists(\n      ...\n      itemDragHandle: const DragHandle(\n        child: Padding(\n          padding: EdgeInsets.only(right: 10),\n          child: Icon(\n            Icons.menu,\n            color: MyColors.text,\n          ),\n        ),\n      ),\n    );<\/code><\/pre><\/div>\n\n\n\n
\u5b50\uff1a\u4ed6\u6a5f\u80fd\u7528\u30dc\u30bf\u30f3\u306e\u8ffd\u52a0<\/h4>\n\n\n\n
\u6b21\u306b\u3001\u89aa\u3068\u540c\u3058\u3088\u3046\u306b\u30ea\u30b9\u30c8\u306eText\u3092\u7de8\u96c6\u3067\u304d\u308b\u30dc\u30bf\u30f3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002
\u3053\u3053\u3067\u306f\u3001\u7de8\u96c6\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u305f\u3089\u30012\u5217\u30681\u5217\u306e2\u884c\u306eText\u3092TextField\u306b\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
DragAndDropItem(\n      child: Container(\n        child: Row(\n          children: [\n            SizedBox(\n              width: MediaQuery.of(context).size.width,\n              child: Container(\n                child: Column(\n                  crossAxisAlignment: CrossAxisAlignment.start,\n                  children: [\n                    Row(\n                      children: [\n                        Container(\n                          padding: EdgeInsets.only(right: 10),\n                          child: _isEditing \n                           ? TextFormField(\n                \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000style: TextStyle(\n                    \u3000\u3000\u3000\u3000\u3000\u3000\u3000color: Colors.white,\n                    \u3000\u3000\u3000\u3000\u3000\u3000\u3000fontWeight: FontWeight.bold\n                \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000),\n              \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000)\n                           :Text(\n                            childList.name,\n                            overflow: TextOverflow.visible,\n                            softWrap: true,\n                            style: TextStyle(\n                              fontWeight: FontWeight.bold,\n                            ),\n                          ),\n                        ),\n                        SizedBox(\n                          width: MediaQuery.of(context).size.width * 0.1,\n                          child: IconButton(\n                            onPressed: () {\n                              setState(() {\n                                _isEditing = true;\n                                \/\/\u305d\u306e\u4ed6\u51e6\u7406\n                              });\n                            },\n                            icon: const Icon(Icons.edit),\n                          ),\n                        ),\n                      ],\n                    ),\n                    _isEditing \n                     ? TextFormField(\n                \u3000\u3000\u3000\u3000\u3000style: TextStyle(\n                    \u3000\u3000\u3000\u3000color: Colors.white,\n\u3000\u3000\u3000                    \u3000fontWeight: FontWeight.bold\n                \u3000\u3000\u3000\u3000\u3000),\n              \u3000\u3000\u3000\u3000\u3000)\n                     :Text(\n                        childList.memo2,\n                        overflow: TextOverflow.visible,\n                        softWrap: true,\n                      ),\n                  ],\n                ),\n              ),\n            ),\n          ],\n        ),<\/code><\/pre><\/div>\n\n\n\n
2\u884c\u306b\u3057\u305f\u95a2\u4fc2\u3067\u5c11\u3057\u9577\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u3088\u3046\u306b\u884c\u6570\u3084\u5217\u6570\u3092\u5897\u3084\u3057\u3066\u3082\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002
\u307e\u305f\u3001\u30b3\u30fc\u30c9\u4f8b\u3067\u306fController\u3092\u7701\u3044\u3066\u3044\u307e\u3059\u304c\u3001childList.memo2\u306e\u5024\u3092\u3082\u3068\u304b\u3089\u5165\u308c\u305f\u3044\u5834\u5408\u306a\u3069\u306b\u306fController\u3092\u4f5c\u6210\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u88c5\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u4ee5\u4e0a\u3067\u3001\u4e26\u3073\u66ff\u3048\u53ef\u80fd\u304b\u3064\u958b\u9589\u53ef\u80fd\u304b\u3064\u7de8\u96c6\u53ef\u80fd\u306a\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u307e\u3068\u3081<\/h4>\n\n\n\n
Flutter\u306eExpansionTile\u3067\u306a\u3089\u3067\u304d\u308b\u3053\u3068\u304c\u3001DragAndDropList\u3060\u3068\u3067\u304d\u306a\u3044\u3053\u3068\u3082\u591a\u304b\u3063\u305f\u306e\u3067\u7d50\u69cb\u82e6\u6226\u3057\u307e\u3057\u305f\u3002
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\u4eca\u56de\u306e\u3088\u3046\u306b\u958b\u9589\u3067\u304d\u3066\u4e26\u3073\u66ff\u3048\u304c\u3067\u304d\u308b\u30ea\u30b9\u30c8\u306f\u7d50\u69cb\u9700\u8981\u304c\u3042\u308b\u3068\u601d\u3046\u306e\u3067\u3001\u8ab0\u304b\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f5c\u6210\u65e5\uff1a2023\/07\/31\u6700\u7d42\u66f4\u65b0\u65e5\uff1a2023\/07\/31 \u203b\u52d5\u4f5c\u78ba\u8a8d\u306fAndroid\u3067\u306e\u307f\u884c\u3044\u307e\u3057\u305f\u3002drag_and_drop_lists\uff1a0.3.3flutter\uff1a3.7.10 \u5358\u7d14\u306bText\u3060\u3051\u306eDragAnd […]<\/p>\n","protected":false},"author":10,"featured_media":2966,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[115,171,40],"coauthors":[48],"class_list":["post-2942","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-app","tag-android","tag-flutter","tag-40"],"author_meta":{"nickname":"A.A","position":"\u30d7\u30ed\u30b0\u30e9\u30de\u30fc","icon_url":"https:\/\/comcent.co.jp\/blog\/images\/authorAa-150x150.png","author_url":"https:\/\/comcent.co.jp\/blog\/archives\/author\/aida\/"},"tag_names":["Android","Flutter","\u30a2\u30d7\u30ea"],"thumbnail_url":"https:\/\/comcent.co.jp\/blog\/wp-content\/uploads\/2023\/07\/\u30d1\u30bf\u30fc\u30f3A-min-300x200.jpg","_links":{"self":[{"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/posts\/2942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/comments?post=2942"}],"version-history":[{"count":5,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/posts\/2942\/revisions"}],"predecessor-version":[{"id":3103,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/posts\/2942\/revisions\/3103"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/media\/2966"}],"wp:attachment":[{"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/media?parent=2942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/categories?post=2942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/tags?post=2942"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/comcent.co.jp\/blog\/wp-json\/wp\/v2\/coauthors?post=2942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}