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BreadcrumbDropdowns.module
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BreadcrumbDropdowns.module
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<?php namespace ProcessWire;
class BreadcrumbDropdowns extends WireData implements Module, ConfigurableModule {
/**
* Module information
*/
public static function getModuleInfo() {
return array(
'title' => 'Breadcrumb Dropdowns',
'summary' => 'Adds dropdown menus to the breadcrumbs in ProcessPageEdit, ProcessTemplate and ProcessField.',
'version' => '0.3.11',
'author' => 'Robin Sallis',
'href' => 'https://github.com/Toutouwai/BreadcrumbDropdowns',
'icon' => 'bars',
'autoload' => 'template=admin',
'requires' => 'ProcessWire>=3.0.83, AdminThemeUikit, PHP>=5.4.0'
);
}
/**
* ProcessPageListRenderJSON if needed for custom Page List labels
*/
protected $pplrj;
/**
* "Add New" URLs for supported Processes
* Inconsistent trailing slashes needed: https://github.com/processwire/processwire-issues/issues/1373
*/
protected $add_urls = [
'ProcessTemplate' => 'setup/template/add',
'ProcessField' => 'setup/field/add',
'ProcessLanguage' => 'setup/languages/add/',
'ProcessRole' => 'access/roles/add/',
'ProcessPermission' => 'access/permissions/add/',
];
/**
* Label for "Add New" links
*/
protected $add_label;
/**
* Construct
*/
public function __construct() {
$this->add_new_position = 'bottom';
parent::__construct();
}
/**
* Ready
*/
public function ready() {
$this->add_label = $this->_('Add New');
$this->addHookAfter('ProcessController::execute', $this, 'afterProcessController');
}
/**
* After ProcessController::execute
*
* @param HookEvent $event
*/
protected function afterProcessController(HookEvent $event) {
if(!$this->activateDropdowns()) return;
// Add JS and CSS dependencies
$config = $this->wire()->config;
$info = $this->getModuleInfo();
$version = $info['version'];
$config->scripts->add($config->urls->{$this} . "{$this}.js?v={$version}");
$config->styles->add($config->urls->{$this} . "{$this}.css?v={$version}");
// Hook breadcrumbs render
$this->addHookBefore('AdminThemeUikit::renderBreadcrumbs', $this, 'modifyBreadcrumbs');
if($this->custom_hooks) {
$lines = explode("\n", str_replace("\r", "", $this->custom_hooks));
foreach($lines as $method) {
$this->addHookBefore($method, $this, 'modifyBreadcrumbs');
}
}
}
/**
* Is the supplied Process supported by this module?
*
* @param Process $process
* @return boolean
*/
protected function isSupportedProcess(Process $process) {
$process = (string) $process;
$segment = $this->wire()->input->urlSegment1;
// Supported Processes as Process name => valid URL segments
$supported_processes = [
'ProcessPageEdit' => [''],
'ProcessUser' => ['edit'],
'ProcessTemplate' => ['edit'],
'ProcessField' => ['edit'],
'ProcessLanguage' => ['edit'],
'ProcessRole' => ['edit'],
'ProcessPermission' => ['edit'],
'ProcessLogger' => ['view'],
];
return isset($supported_processes[$process]) && in_array($segment, $supported_processes[$process]);
}
/**
* Should dropdowns be activated?
*
* @return boolean
*/
protected function ___activateDropdowns() {
$process = $this->wire()->process;
if($process == 'ProcessPageEdit' || $process == 'ProcessUser') {
$page = $process->getPage();
// No if cannot get $page (e.g. no edit access)
if(!$page || !$page->id) return false;
}
return $this->isSupportedProcess($process);
}
/**
* Modify breadcrumbs
*
* @param HookEvent $event
*/
protected function modifyBreadcrumbs(HookEvent $event) {
/** @var AdminThemeUikit $atu */
$atu = $event->object;
// In case of custom theme that doesn't extend AdminThemeUikit
if(!$atu instanceof AdminThemeUikit) $atu = $this->wire()->modules->get('AdminThemeUikit');
$event->replace = true;
// From AdminThemeUikit::renderBreadcrumbs
if(!$this->wire()->user->isLoggedIn() || $this->wire()->input->get('modal')) {
$event->return = '';
return;
}
$out = '';
$process = $this->wire()->process;
switch($process) {
case 'ProcessPageEdit':
case 'ProcessUser':
$out = $this->pageEditBreadcrumbs($atu);
break;
case 'ProcessTemplate':
$out = $this->templateBreadcrumbs($atu);
break;
case 'ProcessField':
$out = $this->fieldBreadcrumbs($atu);
break;
case 'ProcessLanguage':
case 'ProcessRole':
case 'ProcessPermission':
case 'ProcessLogger':
$out = $this->genericBreadcrumbs($atu);
break;
}
$event->return = $out;
}
/**
* Render AdminThemeUikit breadcrumbs
*
* @param AdminThemeUikit $atu
* @return string
*/
protected function atuBreadcrumbs(AdminThemeUikit $atu) {
$out = '';
if(strpos($atu->layout, 'sidenav') === false) {
$out .= "<li>" . $atu->renderQuickTreeLink() . "</li>";
}
foreach($this->wire()->breadcrumbs as $breadcrumb) {
$out .= $this->atuBreadcrumb($breadcrumb);
}
return $out;
}
/**
* Render individual AdminThemeUikit breadcrumb (slightly modified for styling consistency)
*
* @param Breadcrumb $breadcrumb
* @return string
*/
protected function atuBreadcrumb(Breadcrumb $breadcrumb) {
$title = $breadcrumb->get('titleMarkup');
if(!$title) $title = $this->wire()->sanitizer->entities1($this->_($breadcrumb->title));
return "<li><span class='dropdown-toggle no-dropdown'><i class='fa fa-fw fa-angle-right'></i></span><a href='$breadcrumb->url'>$title</a></li>";
}
/**
* Render generic Process breadcrumbs from nav JSON
*
* @param AdminThemeUikit $atu
* @return string
*/
protected function genericBreadcrumbs(AdminThemeUikit $atu) {
$out = $this->atuBreadcrumbs($atu);
$process = (string) $this->wire()->process;
$input_url = $this->wire()->input->url(true);
$page_url = $this->wire()->page->url;
$dropdown = '';
$current = '';
// Dropdown items
$json = $this->wire()->process->___executeNavJSON();
if($json) {
$data = wireDecodeJSON($json);
if(!empty($data['list'])) {
foreach($data['list'] as $item) {
// Remove any secondary info in <small> tags from the label (itemLabel2)
$label = preg_replace( '/( <small>.*?<\/small>)/i', '', $item['label']);
$class = '';
if($page_url . $item['url'] === $input_url) {
$current = $label;
$class = ' class="item-current"';
}
$dropdown .= "<li$class><a class='inner-item' href='{$page_url}{$item['url']}'><span class='item-title'>{$label}</span></a></li>";
}
}
}
// Add New
if(!empty($this->add_urls[$process])) {
$add_new_url = $this->wire()->config->urls->admin . $this->add_urls[$process];
$add_new = "<li class='add-new'><a class='inner-item' href='{$add_new_url}'><i class='fa fa-fw fa-plus-circle'></i>{$this->add_label}</a></li>";
if($this->add_new_position === 'top') {
$dropdown = $add_new . $dropdown;
} else {
$dropdown = $dropdown . $add_new;
}
}
// Breadcrumb for current page
if($dropdown) $out .= "<li><span class='dropdown-toggle'><i class='fa fa-fw fa-angle-right'></i></span>{$current}<ul class='breadcrumb-dropdown'>$dropdown</ul></li>";
return "<ul class='uk-breadcrumb'>$out</ul>";
}
/**
* Render Template breadcrumbs
*
* @param AdminThemeUikit $atu
* @return string
*/
protected function templateBreadcrumbs(AdminThemeUikit $atu) {
$templates = $this->wire()->templates;
$out = $this->atuBreadcrumbs($atu);
// Add edited template as extra breadcrumb item, with dropdown for all templates
$url = $this->wire()->input->url;
$template_id = $this->wire()->input->get->int('id');
$template = $templates->get($template_id);
if($template) {
$out .= "<li><span class='dropdown-toggle'><i class='fa fa-fw fa-angle-right'></i></span>{$template->name}<ul class='breadcrumb-dropdown'>";
// Templates
$items_out = '';
foreach($templates->find("sort=name") as $id => $template) {
if($this->exclude_system_templates && $template->flags & Template::flagSystem) continue;
$class = $id === $template_id ? ' class="item-current"' : '';
$items_out .= "<li$class><a class='inner-item' href='{$url}?id={$id}'><span class='item-title'>{$template->name}</span></a></li>";
}
// Add New
$add_new_url = $this->wire()->config->urls->admin . $this->add_urls['ProcessTemplate'];
$add_new = "<li class='add-new'><a class='inner-item' href='{$add_new_url}'><i class='fa fa-fw fa-plus-circle'></i>{$this->add_label}</a></li>";
if($this->add_new_position === 'top') {
$out .= $add_new . $items_out;
} else {
$out .= $items_out . $add_new;
}
$out .= "</ul></li>";
}
return "<ul class='uk-breadcrumb'>$out</ul>";
}
/**
* Render Field breadcrumbs
*
* @param AdminThemeUikit $atu
* @return string
*/
protected function fieldBreadcrumbs(AdminThemeUikit $atu) {
$fields = $this->wire()->fields;
$out = $this->atuBreadcrumbs($atu);
// Add edited field as extra breadcrumb item, with dropdown for all fields
$url = $this->wire()->input->url;
$field_id = $this->wire()->input->get->int('id');
$field = $fields->get($field_id);
if($field) {
$out .= "<li><span class='dropdown-toggle'><i class='fa fa-fw fa-angle-right'></i></span>{$field->name}<ul class='breadcrumb-dropdown'>";
// Fields
$items_out = '';
foreach($fields->find("sort=name") as $id => $field) {
if($this->exclude_system_fields && $field->flags & Field::flagSystem) continue;
$class = $id === $field_id ? ' class="item-current"' : '';
$items_out .= "<li$class><a class='inner-item' href='{$url}?id={$id}'><span class='item-title'>{$field->name}</span></a></li>";
}
// Add New
$add_new_url = $this->wire()->config->urls->admin . $this->add_urls['ProcessField'];
$add_new = "<li class='add-new'><a class='inner-item' href='{$add_new_url}'><i class='fa fa-fw fa-plus-circle'></i>{$this->add_label}</a></li>";
if($this->add_new_position === 'top') {
$out .= $add_new . $items_out;
} else {
$out .= $items_out . $add_new;
}
$out .= "</ul></li>";
}
return "<ul class='uk-breadcrumb'>$out</ul>";
}
/**
* Render Page Edit breadcrumbs
*
* @param AdminThemeUikit $atu
* @return string
*/
protected function pageEditBreadcrumbs(AdminThemeUikit $atu) {
// Get instance of ProcessPageListRenderJSON if needed
if($this->use_page_list_labels) {
$pages = $this->wire()->pages;
require_once $this->wire()->config->paths->modules . 'Process/ProcessPageList/ProcessPageListRenderJSON.php';
$this->pplrj = $this->wire(new ProcessPageListRenderJSON($pages->newPage(), $pages->newPageArray()));
}
// Get edited page
/** @var Page $page */
$page = $this->wire()->process->getPage();
// Get parents of edited page in reverse order
/** @var PageArray $parents */
$parents = $page->parents->reverse();
$out = '';
if(strpos($atu->layout, 'sidenav') === false) {
$out .= "<li>" . $atu->renderQuickTreeLink() . "</li>";
}
$is_process_user = $this->wire()->process == 'ProcessUser';
$breadcrumbs = $this->wire()->breadcrumbs;
$bc_count = $breadcrumbs->count;
$i = 1;
foreach($breadcrumbs as $breadcrumb) {
if($is_process_user) {
// ProcessUser: use AdminThemeUikit default breadcrumb
$out .= $this->atuBreadcrumb($breadcrumb);
} else {
// ProcessPageEdit: breadcrumb dropdowns
// Try and get corresponding parent page
$parent = $parents->eq($bc_count - $i);
$i++;
// Parent in this position exists and titles match
if($parent && $parent->title == $breadcrumb->title) {
$url = $this->getPageEditBreadcrumbUrl($parent);
$label = $this->getBreadcrumbLabel($parent);
if($this->use_status_styling) $label = $this->getStatusLabel($parent, $label);
$out .= "<li><span class='dropdown-toggle'><i class='fa fa-fw fa-angle-right'></i></span><a href='$url'>$label</a>";
$out .= $this->getBreadcrumbDropdown($parent) . "</li>";
}
// Unsupported breadcrumb, use AdminThemeUikit default breadcrumb
else {
$out .= $this->atuBreadcrumb($breadcrumb);
}
}
}
// Add edited page as extra breadcrumb item
$url = $this->getPageEditBreadcrumbUrl($page);
$label = $this->getBreadcrumbLabel($page);
if($this->use_status_styling) $label = $this->getStatusLabel($page, $label);
$out .= "<li><span class='dropdown-toggle'><i class='fa fa-fw fa-angle-right'></i></span><a href='$url'>$label</a>";
$out .= $this->getBreadcrumbDropdown($page) . "</li>";
// Add children as last dropdown
if($page->numChildren || $page->addable) {
$out .= "<li><span class='dropdown-toggle'><i class='fa fa-fw fa-angle-right'></i></span>";
$out .= $this->getBreadcrumbDropdown($page, true) . "</li>";
}
return "<ul class='uk-breadcrumb'>$out</ul>";
}
/**
* Get URL for a Page Edit breadcrumb
*
* @param Page $page
* @return string
*/
protected function getPageEditBreadcrumbUrl(Page $page) {
$settings = $this->wire()->config->pageEdit;
if(!empty($settings['editCrumbs']) && $page->editable()) {
return "./?id=$page->id";
} else {
return "../?open=$page->id";
}
}
/**
* Get breadcrumb dropdown markup
*
* @param Page $page
* @param bool $is_parent First argument is parent rather than sibling of desired dropdown pages
* @return string
* @throws WireException
*/
protected function getBreadcrumbDropdown($page, $is_parent = false) {
$config = $this->wire()->config;
// Determine $parent and $sibling
if($is_parent) {
$parent = $page;
$sibling = $page->child('include=all');
} else {
$parent = $page->parent;
$sibling = $page;
}
$out = '';
if($sibling->id) {
foreach($this->getSiblings($sibling) as $p) {
$class = '';
if(!$is_parent && $p === $sibling) $class = " class='item-current'";
$label = $this->getBreadcrumbLabel($p);
$label = $this->getStatusLabel($p, $label);
if($p->editable) {
$out .= "<li$class><a class='inner-item' href='$p->editUrl'><span class='item-title'>$label</span></a></li>";
} elseif($this->show_uneditable && !in_array($p->template->id, $config->userTemplateIDs)) {
$out .= "<li$class><span class='inner-item uneditable'><span class='item-title'>$label</span></span></li>";
}
}
}
// "Add new" item - not for Admin parents apart from Users
if($parent->id && $parent->addable && ($parent->template->id !== 2 || $parent->id === $config->usersPageID)) {
$admin_url = $config->urls->admin;
if($parent->id === $config->usersPageID) {
$add_new_url = "{$admin_url}access/users/add/?parent_id={$parent->id}";
} else {
$add_new_url = "{$admin_url}page/add/?parent_id={$parent->id}";
}
$add_new = "<li class='add-new'><a class='inner-item' href='$add_new_url'><i class='fa fa-fw fa-plus-circle'></i>{$this->add_label}</a></li>";
if($this->add_new_position === 'top') {
$out = $add_new . $out;
} else {
$out = $out . $add_new;
}
}
// Add a note if no dropdown markup
if(!$out) $out .= "<li><span class='inner-item uneditable'><span class='item-title'>" . $this->_('No editable pages') ."</span></span></li>";
if($out) $out = "<ul class='breadcrumb-dropdown'>$out</ul>";
return $out;
}
/**
* Get sibling pages for the current page
*
* @param Page $page
* @return PageArray
*/
public function ___getSiblings($page) {
$num_siblings = $page->parent->numChildren;
$start = 0;
if($num_siblings > 25) {
// $index = $page->index();
// Workaround for Page::index() issue: https://github.com/processwire/processwire-issues/issues/751
$index = $this->getPageIndex($page);
if($index > 12) $start = $index - 12;
if($num_siblings - $start < 25) $start = $num_siblings - 25;
}
// Siblings excluding admin page and the 404 page
$siblings = $page->siblings("start=$start, limit=25, include=all, template!=admin, id!=27");
$siblings->filter('listable=1');
return $siblings;
}
/**
* Get index of page relative to siblings
*
* @param Page $page
* @return int
*/
public function getPageIndex($page) {
$sibling_ids = array_flip($this->wire()->pages->findIDs("parent=$page->parent, include=all"));
return (int) $sibling_ids[$page->id];
}
/**
* Get breadcrumb label
*
* @param Page $page
* @return string
*/
protected function getBreadcrumbLabel($page) {
if($this->use_page_list_labels) {
// Call ProcessPageListRender::getPageLabel without triggering hooks
return $this->pplrj->___getPageLabel($page, ['noTags' => true, 'noIcon' => true]);
} else {
return $this->wire()->sanitizer->entities1($page->get('title|name'));
}
}
/**
* Get label with wrapping markup indicating hidden/unpublished page status if any
*
* @param Page $page
* @param string $label
* @return string
*/
protected function getStatusLabel($page, $label) {
$classes = [];
if($page->hasStatus('hidden')) $classes[] = 'status-hidden';
if($page->hasStatus('unpublished')) $classes[] = 'status-unpublished';
if($classes) {
$class = implode(' ', $classes);
$label = "<span class='$class'>$label</span>";
}
return $label;
}
/**
* Config inputfields
*
* @param InputfieldWrapper $inputfields
*/
public function getModuleConfigInputfields($inputfields) {
$modules = $this->wire()->modules;
/** @var InputfieldFieldset $fs */
$fs = $modules->get('InputfieldFieldset');
$fs->label = $this->_('ProcessPageEdit');
$inputfields->add($fs);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'show_uneditable';
$f->name = $f_name;
$f->label = $this->_('Include uneditable pages in dropdowns');
$f->columnWidth = 100;
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'use_page_list_labels';
$f->name = $f_name;
$f->label = $this->_('Use custom labels defined for Page List');
$f->notes = $this->_('If checked any custom template setting for "List of fields to display in the admin Page List" will be used for the breadcrumbs and dropdowns.');
$f->columnWidth = 50;
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'use_status_styling';
$f->name = $f_name;
$f->label = $this->_('Style hidden and unpublished pages in breadcrumb menu');
$f->notes = $this->_('Applies reduced opacity and strikethrough text styling according to page status.');
$f->columnWidth = 50;
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldFieldset $fs */
$fs = $modules->get('InputfieldFieldset');
$fs->label = $this->_('ProcessTemplate');
$inputfields->add($fs);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'disable_for_templates';
$f->name = $f_name;
$f->label = $this->_('Disable dropdowns');
$f->columnWidth = 50;
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'exclude_system_templates';
$f->name = $f_name;
$f->label = $this->_('Exclude system templates');
$f->columnWidth = 50;
$f->showIf = 'disable_for_templates!=1';
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldFieldset $fs */
$fs = $modules->get('InputfieldFieldset');
$fs->label = $this->_('ProcessField');
$inputfields->add($fs);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'disable_for_fields';
$f->name = $f_name;
$f->label = $this->_('Disable dropdowns');
$f->columnWidth = 50;
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldCheckbox $f */
$f = $modules->get('InputfieldCheckbox');
$f_name = 'exclude_system_fields';
$f->name = $f_name;
$f->label = $this->_('Exclude system fields');
$f->columnWidth = 50;
$f->showIf = 'disable_for_fields!=1';
$f->checked = $this->$f_name === 1 ? 'checked' : '';
$fs->add($f);
/** @var InputfieldRadios $f */
$f = $modules->get('InputfieldRadios');
$f_name = 'add_new_position';
$f->name = $f_name;
$f->label = $this->_('"Add new" position');
$f->addOption('bottom', $this->_('Bottom'));
$f->addOption('top', $this->_('Top'));
$f->optionColumns = 1;
$f->value = $this->$f_name;
$inputfields->add($f);
/** @var InputfieldTextarea $f */
$f = $modules->get('InputfieldTextarea');
$f_name = 'custom_hooks';
$f->name = $f_name;
$f->label = $this->_('Custom hooks');
$f->description = $this->_('Define custom hooks if you are using a custom Admin Theme. One hook per line.');
$f->value = $this->$f_name;
$f->notes = $this->_('Example: MyAdminTheme::renderBreadcrumbs');
$f->rows = 3;
$f->collapsed = Inputfield::collapsedBlank;
$inputfields->add($f);
}
}