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<?php
/** Wiki Render Class
* -----------------------------------------------------------------------------
*
* + automates the creation of common html elements used in Wiki
*
* + methods are called statically (without object-instantiation)
*
* + Render class constructs the Render::all_breadcrumbs() super-array
*
* -----------------------------------------------------------------------------
*/
class Render
{
/** Render::template($data)
* (as any render function in anom framework)
*
* @param $file (string) : filename [with path] of a php/html (acting as template)
* @param $data : array of variable-name:value pairs (extracted/used into template)
*/
static function template($file, $data) {
if (file_exists($file)) {
extract( $data );
require( $file );
} else {
echo "<!-- view ". $file ." is missing -->";
}
}
/** all_breadcrumbs
* -------------------------------------------------------------------------
*
* returns an array of all breadcrumbs
* where array-key of each record is category[id]
*
* NOTE:
* ---
* Render::all_breadcrumbs returns an indexed super-array;
* each array item includes a banch of information: [
* breadcrumb,
* rec: [ id , title ],
* parents: [ [id, title] , ... ]
* childs: [ [id, title] , ... ],
* level
* ]
*
* Use Cases:
* ---
* as a super-array, the output can be used in many cases
* for example...
* into <select-option> form elements
* .. while selecting category for a post
* .. or editing a category
* or directry referring to category's parents/childs
*
* Arguments:
* ---
* @param $tree (array) : category tree (with childs and parents parts)
* @param $detimiter (string, optional) : string to split breadcrumb's path-nodes
* @param $exception (int, optional) : id of category to exclude (subcategories shall be excluded too)
* @param $l (int, not-pass) : depth level of the node; DO NOT SET (takes values automaticaly)
* @return array of breadcrumbs
* -------------------------------------------------------------------------
*/
static public function all_breadcrumbs($tree, $delimiter = " / ", $exception = 0, $l = 0)
{
$all = []; // results array
foreach($tree as $node) { // loop through all nodes
if (intval($node['rec']['id']) != $exception) { // if node is not exception
// construct breadcrumb html of node
// --- -- -- - - -
$breadcrumb = "";
foreach($node['parents'] as $par) { // first: join path titles
$breadcrumb .= $par['title'] . $delimiter;
}
$breadcrumb .= $node['rec']['title']; // last: append title
// make a new super record
// --- -- -- - - -
$all[$node['rec']['id']] = [ // set record is as key
'breadcrumb' => $breadcrumb, // add breadcrump to results
'rec' => $node['rec'], // + node info
'parents' => $node['parents'], // + parents array
'childs' => self::first_level_childs($node), // + direct childs
'level' => $l // + level
];
// recursively traverse children nodes
// --- -- -- - - -
if (isset($node['childs']) && $node['childs'] != []) {
$child_breadcrumbs = self::all_breadcrumbs(
$node['childs'],
$delimiter,
$exception,
$l+1
);
$all = $all + $child_breadcrumbs; // concatenate arrays (keep array-keys)
}
}
}
return $all;
}
/** first_level_childs
* --- -- -- - - -
* used by all_breadcrumbs()
*/
static private function first_level_childs($node)
{
$childs = [];
if ($node['childs'] == []) {
return [];
}
foreach($node['childs'] as $key => $kid) {
$childs[] = [
'id' => $kid['rec']['id'],
'title' => $kid['rec']['title']
];
}
return $childs;
}
/** date_box
* creates a pretty date box; outputs greek months
*
* @param $date (string) in 'Y-m-d H:i:s' format
* @return html (string) of the date-box
*/
static public function date_box($date)
{
$months_Gr = ['',
'Ιαν', 'Φεβ', 'Μαρ', 'Απρ',
'Μάι', 'Ιουν', 'Ιουλ', 'Αυγ',
'Σεπ', 'Οκτ', 'Νοε', 'Δεκ'
];
$date = DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $date);
$day = $date->format("j");
$month = $months_Gr[intval($date->format("m"))];
$year = $date->format("Y");
// print_r([$date, $day, $month, $year]); die();
return "<div class='date'>
<p class='day'>{$day}</p>
<p class='month'>{$month}</p>
<p class='year'>{$year}</p>
</div>";
}
/** date_friendly
* outputs an unformated greek-language date string
*
* @param $date (string) in 'Y-m-d H:i:s' format
*/
static public function date_friendly($date, $display_time = false)
{
$months_Gr = ['',
'Ιαν', 'Φεβ', 'Μαρ', 'Απρ', 'Μάι', 'Ιουν',
'Ιουλ', 'Αυγ', 'Σεπ', 'Οκτ', 'Νοε', 'Δεκ'
];
$date = DateTimeImmutable::createFromFormat('Y-m-d H:i:s', $date);
$day = $date->format("j");
$month = $months_Gr[intval($date->format("m"))];
$year = $date->format("Y");
$time = ($display_time) ? $date->format("H:i") : '';
return "{$day} {$month} {$year} {$time}";
}
}
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