diff options
| author | xue <> | 2007-06-26 15:59:16 +0000 |
|---|---|---|
| committer | xue <> | 2007-06-26 15:59:16 +0000 |
| commit | f92ca63a225d43e7ecca4ebe528c2a1e206a40f1 (patch) | |
| tree | 0fb92aafab5fedc866c6cafd49433d72bf719114 /demos/blog-tutorial/samples/day4/blog/protected/pages/posts/EditPost.php | |
| parent | c31e5ab3ebd4ae1561cbdaeaa504d1095dcbbb0a (diff) | |
Completed day 4 for blog tutorial.
Diffstat (limited to 'demos/blog-tutorial/samples/day4/blog/protected/pages/posts/EditPost.php')
| -rw-r--r-- | demos/blog-tutorial/samples/day4/blog/protected/pages/posts/EditPost.php | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/demos/blog-tutorial/samples/day4/blog/protected/pages/posts/EditPost.php b/demos/blog-tutorial/samples/day4/blog/protected/pages/posts/EditPost.php new file mode 100644 index 00000000..e137b85e --- /dev/null +++ b/demos/blog-tutorial/samples/day4/blog/protected/pages/posts/EditPost.php @@ -0,0 +1,72 @@ +<?php
+
+class EditPost extends TPage
+{
+ /**
+ * Initializes the inputs with existing post data.
+ * This method is invoked by the framework when the page is being initialized.
+ * @param mixed event parameter
+ */
+ public function onInit($param)
+ {
+ parent::onInit($param);
+ // Retrieves the existing user data. This is equivalent to:
+ // $postRecord=$this->getPost();
+ $postRecord=$this->Post;
+ // Authorization check: only the author or the administrator can edit the post
+ if($postRecord->author_id!==$this->User->Name && !$this->User->IsAdmin)
+ throw new THttpException(500,'You are not allowed to edit this post.');
+
+ if(!$this->IsPostBack) // if the page is initially requested
+ {
+ // Populates the input controls with the existing post data
+ $this->TitleEdit->Text=$postRecord->title;
+ $this->ContentEdit->Text=$postRecord->content;
+ }
+ }
+
+ /**
+ * Saves the post if all inputs are valid.
+ * This method responds to the OnClick event of the "Save" button.
+ * @param mixed event sender
+ * @param mixed event parameter
+ */
+ public function saveButtonClicked($sender,$param)
+ {
+ if($this->IsValid) // when all validations succeed
+ {
+ // Retrieves the existing user data. This is equivalent to:
+ // $postRecord=$this->getPost();
+ $postRecord=$this->Post;
+
+ // Fetches the input data
+ $postRecord->title=$this->TitleEdit->SafeText;
+ $postRecord->content=$this->ContentEdit->SafeText;
+
+ // saves to the database via Active Record mechanism
+ $postRecord->save();
+
+ // redirects the browser to the ReadPost page
+ $url=$this->Service->constructUrl('posts.ReadPost',array('id'=>$postRecord->post_id));
+ $this->Response->redirect($url);
+ }
+ }
+
+ /**
+ * Returns the post data to be editted.
+ * @return PostRecord the post data to be editted.
+ * @throws THttpException if the post data is not found.
+ */
+ protected function getPost()
+ {
+ // the ID of the post to be editted is passed via GET parameter 'id'
+ $postID=(int)$this->Request['id'];
+ // use Active Record to look for the specified post ID
+ $postRecord=PostRecord::finder()->findByPk($postID);
+ if($postRecord===null)
+ throw new THttpException(500,'Post is not found.');
+ return $postRecord;
+ }
+}
+
+?>
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