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|
<?php
/**
* Pages function library
*/
/**
* Prepare the add/edit form variables
*
* @param ElggObject $page
* @return array
*/
function pages_prepare_form_vars($page = null, $parent_guid = 0, $revision = null) {
// input names => defaults
$values = array(
'title' => '',
'description' => '',
'access_id' => ACCESS_DEFAULT,
'write_access_id' => ACCESS_DEFAULT,
'tags' => '',
'container_guid' => elgg_get_page_owner_guid(),
'guid' => null,
'entity' => $page,
'parent_guid' => $parent_guid,
);
if ($page) {
foreach (array_keys($values) as $field) {
if (isset($page->$field)) {
$values[$field] = $page->$field;
}
}
}
if (elgg_is_sticky_form('page')) {
$sticky_values = elgg_get_sticky_values('page');
foreach ($sticky_values as $key => $value) {
$values[$key] = $value;
}
}
elgg_clear_sticky_form('page');
// load the revision annotation if requested
if ($revision instanceof ElggAnnotation && $revision->entity_guid == $page->getGUID()) {
$values['description'] = $revision->value;
}
return $values;
}
/**
* Recurses the page tree and adds the breadcrumbs for all ancestors
*
* @param ElggObject $page Page entity
*/
function pages_prepare_parent_breadcrumbs($page) {
if ($page && $page->parent_guid) {
$parents = array();
$parent = get_entity($page->parent_guid);
while ($parent) {
array_push($parents, $parent);
$parent = get_entity($parent->parent_guid);
}
while ($parents) {
$parent = array_pop($parents);
elgg_push_breadcrumb($parent->title, $parent->getURL());
}
}
}
/**
* Produce the navigation tree
*
* @param ElggEntity $container Container entity for the pages
*/
function pages_get_navigation_tree($container) {
if (!$container) {
return;
}
$top_pages = elgg_get_entities(array(
'type' => 'object',
'subtype' => 'page_top',
'container_guid' => $container->getGUID(),
'limit' => 0,
));
if (!$top_pages) {
return;
}
$tree = array();
$depths = array();
foreach ($top_pages as $page) {
$tree[] = array(
'guid' => $page->getGUID(),
'title' => $page->title,
'url' => $page->getURL(),
'depth' => 0,
);
$depths[$page->guid] = 0;
$stack = array();
array_push($stack, $page);
while (count($stack) > 0) {
$parent = array_pop($stack);
$children = elgg_get_entities_from_metadata(array(
'type' => 'object',
'subtype' => 'page',
'metadata_name' => 'parent_guid',
'metadata_value' => $parent->getGUID(),
'limit' => 0,
));
if ($children) {
foreach ($children as $child) {
$tree[] = array(
'guid' => $child->getGUID(),
'title' => $child->title,
'url' => $child->getURL(),
'parent_guid' => $parent->getGUID(),
'depth' => $depths[$parent->guid] + 1,
);
$depths[$child->guid] = $depths[$parent->guid] + 1;
array_push($stack, $child);
}
}
}
}
return $tree;
}
/**
* Register the navigation menu
*
* @param ElggEntity $container Container entity for the pages
*/
function pages_register_navigation_tree($container) {
$pages = pages_get_navigation_tree($container);
if ($pages) {
foreach ($pages as $page) {
elgg_register_menu_item('pages_nav', array(
'name' => $page['guid'],
'text' => $page['title'],
'href' => $page['url'],
'parent_name' => $page['parent_guid'],
));
}
}
}
|
