/**
* BreadCrumb
* Copyright 2011 Benjamin Vauchel
*
* BreadCrumb is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option) any
* later version.
*
* BreadCrumb is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* BreadCrumb; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*
* @package breadcrumb
* @author Benjamin Vauchel
*
* @version Version 1.4.3 pl
* 07/03/15
*
* Breadcrumb is a snippet for MODx Revolution, inspired by the Jared's BreadCrumbs snippet.
* It will create a breadcrumb navigation for the current resource or a specific resource.
*
* Optional properties:
*
* @property from - (int) Resource ID of the first crumb; [Default value : 0].
* @property to - (int) Resource ID of the last crumb; [Default value : current resource id].
* @property exclude - (string) Comma separated list of resources IDs not shown in breadcrumb. [Default value : []]
* @property maxCrumbs - (int) Max crumbs shown in breadcrumb. Max delimiter template can be customize with property maxCrumbTpl ; [Default value : 100].
* @property showHidden - (bool) Show hidden resources in breadcrumb; [Default value : true].
* @property showContainer - (bool) Show container resources in breadcrumb; [Default value : true].
* @property showUnPub - (bool) Show unpublished resources in breadcrumb; [Default value : true].
* @property showCurrentCrumb - (bool) Show current resource as a crumb; [Default value : true].
* @property showBreadCrumbAtHome - (bool) Show BreadCrumb on the home page; [Default value : true].
* @property showHomeCrumb - (bool) Add the home page crumb at the start of the breadcrumb; [Default value : true].
* @property useWebLinkUrl - (bool) Use the weblink url instead of the url to the weblink; [Default value : true].
* @property direction - (string) Direction or breadcrumb : Left To Right (ltr) or Right To Left (rtl) for Arabic language for example; [Default value : ltr].
* @property scheme - (string) URL Generation Scheme; [Default value : -1].
*
* Templates :
*
* @property containerTpl - (string) Container template for BreadCrumb; [Default value : BreadCrumbContainerTpl].
* @property currentCrumbTpl - (string) Current crumb template for BreadCrumb; [Default value : BreadCrumbCurrentCrumbTpl].
* @property linkCrumbTpl - (string) Default crumb template for BreadCrumb; [Default value : BreadCrumbLinkCrumbTpl].
* @property categoryCrumbTpl - (string) Default category crumb template for BreadCrumb; [Default value : BreadCrumbCategoryCrumbTpl].
* @property maxCrumbTpl - (string) Max delimiter crumb template for BreadCrumb; [Default value : BreadCrumbMaxCrumbTpl].
*/
// Script Properties
$from = !empty($from) ? $from : $modx->getOption('from', $scriptProperties, 0, true, true);
$to = $currentResourceId = !empty($to) ? $to : $modx->getOption('to', $scriptProperties, $modx->resource->get('id'), true);
$exclude = !empty($exclude) ? explode(',', $exclude) : array();
$maxCrumbs = !empty($maxCrumbs) ? abs(intval($maxCrumbs)) : $modx->getOption('maxCrumbs', $scriptProperties, 100, true);
$showHidden = isset($showHidden) ? (bool)$showHidden : (bool)$modx->getOption('showHidden', $scriptProperties, true, true);
$showContainer = isset($showContainer) ? (bool)$showContainer : (bool)$modx->getOption('showContainer', $scriptProperties, true, true);
$showUnPub = isset($showUnPub) ? (bool)$showUnPub : (bool)$modx->getOption('showUnPub', $scriptProperties, true, true);
$showCurrentCrumb = isset($showCurrentCrumb) ? (bool)$showCurrentCrumb : (bool)$modx->getOption('showCurrentCrumb', $scriptProperties, true, true);
$showBreadCrumbAtHome = isset($showBreadCrumbAtHome) ? (bool)$showBreadCrumbAtHome : (bool)$modx->getOption('showBreadCrumbAtHome', $scriptProperties, true, true);
$showHomeCrumb = isset($showHomeCrumb) ? (bool)$showHomeCrumb : (bool)$modx->getOption('showHomeCrumb', $scriptProperties, true, true);
$useWebLinkUrl = isset($useWebLinkUrl) ? (bool)$useWebLinkUrl : (bool)$modx->getOption('useWebLinkUrl', $scriptProperties, true, true);
$direction = !empty($direction) ? $direction : $modx->getOption('direction', $scriptProperties, 'ltr', true);
$scheme = !empty($scheme) ? $scheme : $modx->getOption('scheme', $scriptProperties, $modx->getOption('link_tag_scheme'), true);
$containerTpl = !empty($containerTpl) ? $containerTpl : $modx->getOption('containerTpl', $scriptProperties, '@INLINE ');
$homeCrumbTpl = !empty($homeCrumbTpl) ? $homeCrumbTpl : $modx->getOption('homeCrumbTpl', $scriptProperties, '@INLINE ');
$currentCrumbTpl = !empty($currentCrumbTpl) ? $currentCrumbTpl : $modx->getOption('currentCrumbTpl', $scriptProperties, '@INLINE ');
$linkCrumbTpl = !empty($linkCrumbTpl) ? $linkCrumbTpl : $modx->getOption('linkCrumbTpl', $scriptProperties, '@INLINE ');
$categoryCrumbTpl = !empty($categoryCrumbTpl) ? $categoryCrumbTpl : $modx->getOption('categoryCrumbTpl', $scriptProperties, '@INLINE ');
$maxCrumbTpl = !empty($maxCrumbTpl) ? $maxCrumbTpl : $modx->getOption('maxCrumbTpl', $scriptProperties, '@INLINE ...');
// include parseTpl
include_once $modx->getOption('breadcrumb.core_path',null,$modx->getOption('core_path').'components/breadcrumb/includes/').'include.parsetpl.php';
// Output variable
$output = '';
// We check if current resource is the homepage and if breadcrumb is shown for the homepage
if (!$showBreadCrumbAtHome && $modx->resource->get('id') == $modx->getOption('site_start')) {
return '';
}
// We get all the other crumbs
$crumbs = array();
$crumbsCount = 0;
$resourceId = $to;
while ($resourceId != $from && $crumbsCount < $maxCrumbs)
{
if (!$resource = $modx->getObject('modResource', $resourceId)) {
break;
}
// We check the conditions to show crumb
if (
$resourceId != $modx->getOption('site_start') // ShowHomeCrumb
&& (($resource->get('hidemenu') && $showHidden) || !$resource->get('hidemenu')) // ShowHidden
&& (($resource->get('isfolder') && $showContainer) || !$resource->get('isfolder')) // ShowContainer
&& ((!$resource->get('published') && $showUnPub) || $resource->get('published')) // UnPub
&& (($resourceId == $currentResourceId && $showCurrentCrumb) || $resourceId != $currentResourceId) // ShowCurrent
&& !in_array($resourceId, $exclude) // Excluded resources
) {
// If is LTR direction, we push resource at the beginning of the array
if ($direction == 'ltr') {
array_unshift($crumbs, $resource);
}
// Else we push it at the end
else {
$crumbs[] = $resource;
}
$crumbsCount++;
}
$resourceId = $resource->get('parent');
}
// Add home crumb
if ($showHomeCrumb && $resource = $modx->getObject('modResource', $modx->getOption('site_start'))) {
if ($direction == 'ltr') {
array_unshift($crumbs, $resource);
} else {
$crumbs[] = $resource;
}
}
// We build the output of crumbs
foreach($crumbs as $key => $resource)
{
// Home crumb tpl ?
if ($resource->get('id') == $modx->getOption('site_start'))
{
$tpl = $homeCrumbTpl;
}
// Current crumb tpl ?
elseif ($showCurrentCrumb && ($resource->get('id') == $currentResourceId))
{
$tpl = $currentCrumbTpl;
}
// resource is a container only, calculated in a similar manner to Wayfinder
elseif ($resource->get('isfolder')
&& ( $resource->get('template') == 0
|| strpos($resource->get('link_attributes'), 'rel="category"') !== false
)
) {
$tpl = $categoryCrumbTpl;
}
// or default crumb tpl ?
else {
$tpl = $linkCrumbTpl;
}
// Placeholders
$placeholders = $resource->toArray();
if ($resource->get('class_key') == 'modWebLink' && $useWebLinkUrl) {
if (is_numeric($resource->get('content'))) {
$link = $modx->makeUrl($resource->get('content'), '', '', $scheme);
} else {
$link = $resource->get('content');
}
} else {
$link = $modx->makeUrl($resource->get('id'), '', '', $scheme);
}
$placeholders = array_merge($resource->toArray(), array('link' => $link));
// Output
$output .= parseTpl($tpl, $placeholders);
}
// We add the max delimiter to the crumbs output, if the max limit was reached
if ($crumbsCount == $maxCrumbs) {
// If is LTR direction, we push the max delimiter at the beginning of the crumbs
if ($direction == 'ltr') {
$output = parseTpl($maxCrumbTpl).$output;
}
// Else we push it at the end
else {
$output .= parseTpl($maxCrumbTpl);
}
}
// We build the breadcrumb output
$output = parseTpl($containerTpl, array(
'crumbs' => $output,
));
return $output;
return;
1
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