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<?php
use app\extends\Cache_service;
/** DESIGNERS
* -----------------------------------------------------------------------------
*
* structures that combine several design information
* in a json structrure and parses inta a quite complicated view;
*
* co-operate with pages
*
* can be used to rended menus, sections like header or footer etc;
*
* TODO:
* + embed it as a core \Render method
* + dynamic designers
* + recursive designers
*
* Here we implement a simplified version of the consept
* where entities shall always be `pages`
*
*
* PARAMETRES
* --- -- -- - - -
*
* primary properties of designer structure are 2 properties
*
* @var class (string): container class name
* @var struct (json array): representatoion of the "to-be-designed" structure
*
* TODO: support more complx `class` strings ex. `.container>#footer>row`
*
*
* Each sub-structure has 2-5 properties:
*
* @var title (string) : title of the sub-section
* @var entity (string) : type of entity (ex: page/lesson/etc; TODO: method of CMS_model?)
* @var list (array) : list of entity id(s)
* @var template (string) : template that is used to draw the listed pages' info
* @var width (string) : class that relates to sub-structure's width
*
* NOTE:
* designer parsing and rendering can be a quite expensive proccess
* thus it is strongly recommented to use cached entities
*
*
* Example structure:
{
"class" : "row", # container class
"struct" : [
{ # block 1
"title" : "",
"entity" : "page",
"list" : [2, 1, 3], # pages to be listed
"template" : "list", # list page titles with link to the pages
"width" : "col-md-4"
},
{
"template" : "null", # list nothing
"width" : "col-md-3"
},
{
"entity" : "page",
"list" : [4], # list content of page 4;
"template" : "content", # set title to page-title
"width" : "col-md-5"
}
TODO: (wish)
,{
"template": "struct",
"struct" : [
{
title, entity, list, template, width
},
...
]
}
]
}
*
* brainstormin: (TODO:)
* use some document-describe stucture like the one on the pdfmake js-library
* -----------------------------------------------------------------------------
*/
/** check imported variables / data
* -----------------------------------------------------------------------------
*/
if (!isset($designer)) {
// default designer (and first case-study)
$designer = '{
"class" : "row",
"struct" : [
{
"title" : "Πληροφορίες",
"entity" : "page",
"list" : [2, 1, 3, 4],
"template" : "list",
"width" : "col-md-4 no-list-mark"
},
{
"entity" : "page",
"list" : [6],
"template" : "content",
"width" : "col-md-3 no-list-mark"
},
{
"entity" : "page",
"list" : [5],
"template" : "content",
"width" : "col-md-5 no-list-mark"
}
]
}';
}
// $entity list shall be passed
// entity link url shall be passed
/** templating functions
* -----------------------------------------------------------------------------
*/
/** List template
* --- -- -- - - -
*
* lists entity titles with links
* in a `ul>li` html-structure
*
* @param $title
* @param $list
* @param $container
*/
function list_template($title, $list, $container, $entity) {
$result = '<div class="'. $container .'">
<h4>'. $title .'</h4>
<ul>';
foreach($list as $id) {
if ($entity[$id]['status'] == 1) { // if entity is published
$result .= '
<li>
<a href="/page/'. $id . '">
' . $entity[$id]['title'] .'
</a>
</li>';
}
}
return $result . '</ul></div>';
}
/** content_template
*
* lists whole title and content of entity
*
* @param $list
* @param $container
*/
function content_template($list, $container, $entity) {
$parsedown = new Parsedown();
$result = '<div class="'. $container .'"><ul>';
foreach($list as $id) {
if ($entity[$id]['status'] == 1) { // if entity is published
$result .= '
<li>
<h4>'. $entity[$id]['title'] .'</h4>
<div>'. $parsedown->text($entity[$id]['body']) .'</div>
</li>';
}
}
return $result .'</ul></div>';
}
/** ready to start the proccessing
* -----------------------------------------------------------------------------
*/
// decode ...
$parse = json_decode($designer);
/** then start parse-proccessing ...
* -----------------------------------------------------------------------------
*/
?>
<div class="<?=$parse->class?>">
<?php
foreach( $parse->struct as $section ) {
switch ($section->template) {
case 'list':
echo list_template(
$section->title,
$section->list,
$section->width,
$entity
);
break;
case 'content':
echo content_template(
$section->list,
$section->width,
$entity
);
break;
default: // ex. 'null'
echo '<div class="'. $section->width .'">
<h4>'. $section->title.'</h4>
</div>';
}
}
?>
</div>
|
