first commit

var/Widget/Contents/From.php

@@ -0,0 +1,92 @@
+<?php
+
+namespace Widget\Contents;
+
+use Typecho\Config;
+use Typecho\Db\Exception;
+use Widget\Base\Contents;
+use Widget\Base\TreeTrait;
+
+if (!defined('__TYPECHO_ROOT_DIR__')) {
+    exit;
+}
+
+/**
+ * 单个内容组件
+ */
+class From extends Contents
+{
+    use TreeTrait {
+        initParameter as initTreeParameter;
+        ___directory as ___treeDirectory;
+    }
+
+    /**
+     * @param Config $parameter
+     * @return void
+     */
+    protected function initParameter(Config $parameter)
+    {
+        $parameter->setDefault([
+            'cid' => null,
+            'query' => null,
+        ]);
+    }
+
+    /**
+     * @return void
+     * @throws Exception
+     */
+    public function execute()
+    {
+        $query = null;
+
+        if (isset($this->parameter->cid)) {
+            $query = $this->select()->where('cid = ?', $this->parameter->cid);
+        } elseif (isset($this->parameter->query)) {
+            $query = $this->parameter->query;
+        }
+
+        if ($query) {
+            $this->db->fetchAll($query, [$this, 'push']);
+
+            if ($this->type == 'page') {
+                $this->initTreeParameter($this->parameter);
+            }
+        }
+    }
+
+    /**
+     * @return array
+     */
+    protected function ___directory(): array
+    {
+        return $this->type == 'page' ? $this->___treeDirectory() : parent::___directory();
+    }
+
+    /**
+     * @return array
+     * @throws Exception
+     */
+    protected function initTreeRows(): array
+    {
+        return $this->db->fetchAll($this->select(
+            'table.contents.cid',
+            'table.contents.title',
+            'table.contents.slug',
+            'table.contents.created',
+            'table.contents.authorId',
+            'table.contents.modified',
+            'table.contents.type',
+            'table.contents.status',
+            'table.contents.commentsNum',
+            'table.contents.order',
+            'table.contents.parent',
+            'table.contents.template',
+            'table.contents.password',
+            'table.contents.allowComment',
+            'table.contents.allowPing',
+            'table.contents.allowFeed'
+        )->where('table.contents.type = ?', 'page'));
+    }
+}