WordPress/wp-admin/admin-functions.php

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<?php
function selected($selected, $current) {
if ($selected == $current) echo ' selected="selected"';
}
function checked($checked, $current) {
if ($checked == $current) echo ' checked="checked"';
}
function get_nested_categories($default = 0) {
global $post, $tablecategories, $tablepost2cat, $mode, $wpdb;
if ($post->ID) {
$checked_categories = $wpdb->get_col("
SELECT category_id
FROM $tablecategories, $tablepost2cat
WHERE $tablepost2cat.category_id = cat_ID AND $tablepost2cat.post_id = '$post->ID'
");
} else {
$checked_categories[] = $default;
}
$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY category_parent DESC");
$result = array();
foreach($categories as $category) {
$array_category = get_object_vars($category);
$me = 0 + $category->cat_ID;
$parent = 0 + $category->category_parent;
$array_category['children'] = $result[$me];
$array_category['checked'] = in_array($category->cat_ID, $checked_categories);
$array_category['cat_name'] = stripslashes($category->cat_name);
$result[$parent][] = $array_category;
}
return $result[0];
}
function write_nested_categories($categories) {
foreach($categories as $category) {
echo '<label for="category-', $category['cat_ID'], '" class="selectit"><input value="', $category['cat_ID'],
'" type="checkbox" name="post_category[]" id="category-', $category['cat_ID'], '"',
($category['checked'] ? ' checked="checked"' : ""), '/> ', $category['cat_name'], "</label>\n";
if(isset($category['children'])) {
echo "\n<span class='cat-nest'>\n";
write_nested_categories($category['children'], $count);
echo "</span>\n";
}
}
}
function dropdown_categories($default = 0) {
write_nested_categories(get_nested_categories($default));
}
// Dandy new recursive multiple category stuff.
function cat_rows($parent = 0, $level = 0, $categories = 0) {
global $wpdb, $tablecategories, $tablepost2cat, $bgcolor;
if (!$categories) {
$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY cat_name");
}
if ($categories) {
foreach ($categories as $category) {
if ($category->category_parent == $parent) {
$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $tablepost2cat WHERE category_id = $category->cat_ID");
$pad = str_repeat('&#8212; ', $level);
$bgcolor = ('#eee' == $bgcolor) ? 'none' : '#eee';
echo "<tr style='background-color: $bgcolor'><td>$pad $category->cat_name</td>
<td>$category->category_description</td>
<td>$count</td>
<td><a href='categories.php?action=edit&amp;cat_ID=$category->cat_ID' class='edit'>Edit</a></td><td><a href='categories.php?action=Delete&amp;cat_ID=$category->cat_ID' onclick=\"return confirm('You are about to delete the category \'". addslashes($category->cat_name) ."\' and all its posts will go to the default category.\\n \'OK\' to delete, \'Cancel\' to stop.')\" class='delete'>Delete</a></td>
</tr>";
cat_rows($category->cat_ID, $level + 1);
}
}
} else {
return false;
}
}
function wp_dropdown_cats($currentcat, $currentparent = 0, $parent = 0, $level = 0, $categories = 0) {
global $wpdb, $tablecategories, $tablepost2cat, $bgcolor;
if (!$categories) {
$categories = $wpdb->get_results("SELECT * FROM $tablecategories ORDER BY cat_name");
}
if ($categories) {
foreach ($categories as $category) { if ($currentcat != $category->cat_ID && $parent == $category->category_parent) {
$count = $wpdb->get_var("SELECT COUNT(post_id) FROM $tablepost2cat WHERE category_id = $category->cat_ID");
$pad = str_repeat('&#8211; ', $level);
echo "\n\t<option value='$category->cat_ID'";
if ($currentparent == $category->cat_ID)
echo " selected='selected'";
echo ">$pad$category->cat_name</option>";
wp_dropdown_cats($currentcat, $currentparent, $category->cat_ID, $level + 1, $categories);
} }
} else {
return false;
}
}
function wp_create_thumbnail($file, $max_side, $effect = '') {
// 1 = GIF, 2 = JPEG, 3 = PNG
if(file_exists($file)) {
$type = getimagesize($file);
// if the associated function doesn't exist - then it's not
// handle. duh. i hope.
if(!function_exists('imagegif') && $type[2] == 1) {
$error = 'Filetype not supported. Thumbnail not created.';
}elseif(!function_exists('imagejpeg') && $type[2] == 2) {
$error = 'Filetype not supported. Thumbnail not created.';
}elseif(!function_exists('imagepng') && $type[2] == 3) {
$error = 'Filetype not supported. Thumbnail not created.';
} else {
// create the initial copy from the original file
if($type[2] == 1) {
$image = imagecreatefromgif($file);
} elseif($type[2] == 2) {
$image = imagecreatefromjpeg($file);
} elseif($type[2] == 3) {
$image = imagecreatefrompng($file);
}
if (function_exists('imageantialias'))
imageantialias($image, TRUE);
$image_attr = getimagesize($file);
// figure out the longest side
if($image_attr[0] > $image_attr[1]) {
$image_width = $image_attr[0];
$image_height = $image_attr[1];
$image_new_width = $max_side;
$image_ratio = $image_width/$image_new_width;
$image_new_height = $image_height/$image_ratio;
//width is > height
} else {
$image_width = $image_attr[0];
$image_height = $image_attr[1];
$image_new_height = $max_side;
$image_ratio = $image_height/$image_new_height;
$image_new_width = $image_width/$image_ratio;
//height > width
}
$thumbnail = imagecreatetruecolor($image_new_width, $image_new_height);
@imagecopyresized($thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $image_attr[0], $image_attr[1]);
// move the thumbnail to it's final destination
$path = explode('/', $file);
$thumbpath = substr($file, 0, strrpos($file, '/')) . '/thumb-' . $path[count($path)-1];
if($type[2] == 1) {
if(!imagegif($thumbnail, $thumbpath)) {
$error = "Thumbnail path invalid";
}
} elseif($type[2] == 2) {
if(!imagejpeg($thumbnail, $thumbpath)) {
$error = "Thumbnail path invalid";
}
} elseif($type[2] == 3) {
if(!imagepng($thumbnail, $thumbpath)) {
$error = "Thumbnail path invalid";
}
}
}
}
if(!empty($error))
{
return $error;
}
else
{
return 1;
}
}
?>