{"id":100278,"date":"2024-03-22T02:15:44","date_gmt":"2024-03-21T17:15:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/qt%e3%81%a7%e6%8a%bd%e8%b1%a1%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%83%a2%e3%83%87%e3%83%ab%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-04T13:32:28","modified_gmt":"2024-04-04T04:32:28","slug":"qt%e3%81%a7%e6%8a%bd%e8%b1%a1%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%83%a2%e3%83%87%e3%83%ab%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/qt%e3%81%a7%e6%8a%bd%e8%b1%a1%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%83%a2%e3%83%87%e3%83%ab%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Qt\u3067\u62bd\u8c61\u30c6\u30fc\u30d6\u30eb\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Qt\u3067\u306fQAbstractTableModel\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3044\u304f\u3064\u304b\u306e\u95a2\u6570\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u7c21\u5358\u306a\u4f8b\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QAbstractTableModel&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QVariant&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyTableModel<\/span> : <span class=\"hljs-keyword\">public<\/span> QAbstractTableModel\r\n{\r\n<span class=\"hljs-keyword\">public<\/span>:\r\n    <span class=\"hljs-built_in\">MyTableModel<\/span>(QObject *parent = <span class=\"hljs-literal\">nullptr<\/span>)\r\n        : <span class=\"hljs-built_in\">QAbstractTableModel<\/span>(parent)\r\n    {\r\n        <span class=\"hljs-comment\">\/\/ \u521d\u59cb\u5316\u6570\u636e<\/span>\r\n        m_data = {{<span class=\"hljs-string\">\"John\"<\/span>, <span class=\"hljs-number\">28<\/span>},\r\n                  {<span class=\"hljs-string\">\"Amy\"<\/span>, <span class=\"hljs-number\">34<\/span>},\r\n                  {<span class=\"hljs-string\">\"Michael\"<\/span>, <span class=\"hljs-number\">42<\/span>}};\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u884c\u6570<\/span>\r\n    <span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">rowCount<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">const<\/span> QModelIndex &amp;parent = QModelIndex())<\/span> <span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">override<\/span>\r\n    <\/span>{\r\n        <span class=\"hljs-built_in\">Q_UNUSED<\/span>(parent);\r\n        <span class=\"hljs-keyword\">return<\/span> m_data.<span class=\"hljs-built_in\">size<\/span>();\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u5217\u6570<\/span>\r\n    <span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">columnCount<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">const<\/span> QModelIndex &amp;parent = QModelIndex())<\/span> <span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">override<\/span>\r\n    <\/span>{\r\n        <span class=\"hljs-built_in\">Q_UNUSED<\/span>(parent);\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">2<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u6570\u636e<\/span>\r\n    <span class=\"hljs-function\">QVariant <span class=\"hljs-title\">data<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">const<\/span> QModelIndex &amp;index, <span class=\"hljs-type\">int<\/span> role = Qt::DisplayRole)<\/span> <span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">override<\/span>\r\n    <\/span>{\r\n        <span class=\"hljs-keyword\">if<\/span> (!index.<span class=\"hljs-built_in\">isValid<\/span>())\r\n            <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">QVariant<\/span>();\r\n\r\n        <span class=\"hljs-keyword\">if<\/span> (role == Qt::DisplayRole || role == Qt::EditRole)\r\n        {\r\n            <span class=\"hljs-keyword\">if<\/span> (index.<span class=\"hljs-built_in\">column<\/span>() == <span class=\"hljs-number\">0<\/span>)\r\n                <span class=\"hljs-keyword\">return<\/span> m_data[index.<span class=\"hljs-built_in\">row<\/span>()].first;\r\n            <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (index.<span class=\"hljs-built_in\">column<\/span>() == <span class=\"hljs-number\">1<\/span>)\r\n                <span class=\"hljs-keyword\">return<\/span> m_data[index.<span class=\"hljs-built_in\">row<\/span>()].second;\r\n        }\r\n\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">QVariant<\/span>();\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u6570\u636e<\/span>\r\n    <span class=\"hljs-function\"><span class=\"hljs-type\">bool<\/span> <span class=\"hljs-title\">setData<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">const<\/span> QModelIndex &amp;index, <span class=\"hljs-type\">const<\/span> QVariant &amp;value, <span class=\"hljs-type\">int<\/span> role = Qt::EditRole)<\/span> <span class=\"hljs-keyword\">override<\/span>\r\n    <\/span>{\r\n        <span class=\"hljs-keyword\">if<\/span> (index.<span class=\"hljs-built_in\">isValid<\/span>() &amp;&amp; role == Qt::EditRole)\r\n        {\r\n            <span class=\"hljs-keyword\">if<\/span> (index.<span class=\"hljs-built_in\">column<\/span>() == <span class=\"hljs-number\">0<\/span>)\r\n                m_data[index.<span class=\"hljs-built_in\">row<\/span>()].first = value.<span class=\"hljs-built_in\">toString<\/span>();\r\n            <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (index.<span class=\"hljs-built_in\">column<\/span>() == <span class=\"hljs-number\">1<\/span>)\r\n                m_data[index.<span class=\"hljs-built_in\">row<\/span>()].second = value.<span class=\"hljs-built_in\">toInt<\/span>();\r\n\r\n            <span class=\"hljs-function\">emit <span class=\"hljs-title\">dataChanged<\/span><span class=\"hljs-params\">(index, index, {role})<\/span><\/span>;\r\n            <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">true<\/span>;\r\n        }\r\n\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-literal\">false<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u8868\u5934\u6570\u636e<\/span>\r\n    <span class=\"hljs-function\">QVariant <span class=\"hljs-title\">headerData<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> section, Qt::Orientation orientation, <span class=\"hljs-type\">int<\/span> role = Qt::DisplayRole)<\/span> <span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">override<\/span>\r\n    <\/span>{\r\n        <span class=\"hljs-keyword\">if<\/span> (role == Qt::DisplayRole &amp;&amp; orientation == Qt::Horizontal)\r\n        {\r\n            <span class=\"hljs-keyword\">if<\/span> (section == <span class=\"hljs-number\">0<\/span>)\r\n                <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"Name\"<\/span>;\r\n            <span class=\"hljs-keyword\">else<\/span> <span class=\"hljs-keyword\">if<\/span> (section == <span class=\"hljs-number\">1<\/span>)\r\n                <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"Age\"<\/span>;\r\n        }\r\n\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-built_in\">QVariant<\/span>();\r\n    }\r\n\r\n<span class=\"hljs-keyword\">private<\/span>:\r\n    <span class=\"hljs-comment\">\/\/ \u5b58\u50a8\u6570\u636e\u7684\u5bb9\u5668<\/span>\r\n    QVector&lt;QPair&lt;QString, <span class=\"hljs-type\">int<\/span>&gt;&gt; m_data;\r\n};\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001MyTableModel\u306fQAbstractTableModel\u30af\u30e9\u30b9\u304b\u3089\u7d99\u627f\u3057\u3001\u4ee5\u4e0b\u306e\u95a2\u6570\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u884c\u6570\u3092\u8fd4\u3059rowCount()<\/li>\n<li>\u5217\u306e count \u3092\u53d6\u5f97: columnCount()<\/li>\n<li>\u6307\u5b9a\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f4d\u7f6e\u306b\u3042\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<li>setData()\uff1a\u6307\u5b9a\u3057\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f4d\u7f6e\u306e\u30c7\u30fc\u30bf\u3092\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<\/li>\n<li>headerData()\uff1a\u30d8\u30c3\u30c0\u30fc\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u3002<\/li>\n<\/ol>\n<p>\u4f5c\u6210\u3057\u305fMyTableModel\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u3092\u30c6\u30fc\u30d6\u30eb\u3067\u8868\u793a\u3059\u308b\u305f\u3081\u306bQTableView\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QApplication&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QTableView&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> argc, <span class=\"hljs-type\">char<\/span> *argv[])<\/span>\r\n<\/span>{\r\n    <span class=\"hljs-function\">QApplication <span class=\"hljs-title\">a<\/span><span class=\"hljs-params\">(argc, argv)<\/span><\/span>;\r\n\r\n    MyTableModel model;\r\n    QTableView tableView;\r\n    tableView.<span class=\"hljs-built_in\">setModel<\/span>(&amp;model);\r\n    tableView.<span class=\"hljs-built_in\">show<\/span>();\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> a.<span class=\"hljs-built_in\">exec<\/span>();\r\n}\r\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u3067\u306fQTableView\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001MyTableModel\u306b\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001tableView.show()\u3067\u30c6\u30fc\u30d6\u30eb\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qt\u3067\u306fQAbstractTableModel\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3044\u304f\u3064\u304b\u306e\u95a2\u6570\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u4ee5\u4e0b\u306f\u7c21\u5358\u306a\u4f8b\u3067\u3059\u3002 #include &lt;QAbstra [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-100278","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qt\u3067\u62bd\u8c61\u30c6\u30fc\u30d6\u30eb\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/qt\u3067\u62bd\u8c61\u30c6\u30fc\u30d6\u30eb\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta 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