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Source code : admin/category/modify.php
<?php
if (!defined('WEB_ROOT')) {
exit;
}
// make sure a category id exists
if (isset($_GET['catId']) && (int)$_GET['catId'] > 0) {
$catId = (int)$_GET['catId'];
} else {
header('Location:index.php');
}
$sql = "SELECT cat_id, cat_name, cat_description, cat_image
FROM tbl_category
WHERE cat_id = $catId";
$result =& dbQuery($sql);
$row =& dbFetchAssoc(&$result);
extract($row);
// ... put the form down here
?>
On the screenshot you can see that we next to the category image we have
a delete link. Clicking on the link will call the javascript function deleteImage().
This function will pop a confirmation box and if you confirm the deletion
the function will redirect you to processCategory.php where all category related
process is taken care of.
Below is the code that perform the image deletion
Source code : admin/category/processCategory.php
function deleteImage()
{
if (isset($_GET['catId']) && (int)$_GET['catId'] > 0) {
$catId = (int)$_GET['catId'];
} else {
header('Location: index.php');
}
_deleteImage($catId);
// update the image name in the database
$sql = "UPDATE tbl_category
SET cat_image = ''
WHERE cat_id = $catId";
dbQuery($sql);
header("Location: index.php?view=modify&catId=$catId");
}
To delete the image from the server the deleteImage()
function calls _deleteImage(). Please excuse
this lame function naming. I just cant' find other name that fit perfectly
for this function.
After deleting the image we update the category information in database.
We only need to set cat_image to an empty string and we're done. The final
thing that deleteImage() do is redirect back
to the category modification page. We don't redirect to category listing page
because the admin may still want to modify the category further.
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