/
ReportContainer.php
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/
ReportContainer.php
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<?php namespace Backend\Widgets;
use Backend\Classes\WidgetBase;
use System\Classes\ApplicationException;
use Request;
use Backend\Classes\WidgetManager;
use Backend\Models\UserPreferences;
use File;
/**
* Report Container Widget
* Creates an area hosting report widgets.
*
* @package october\backend
* @author Alexey Bobkov, Samuel Georges
*/
class ReportContainer extends WidgetBase
{
/**
* @var string The unique report context name
* Defines the context where the container is used.
* Widget settings are saved in a specific context. This allows to
* have multiple report containers on different pages that have
* different widgets and widget settings. Context names can contain
* only Latin letters.
*/
public $context = 'dashboard';
/**
* @var string Determines whether widgets could be added and deleted.
*/
public $canAddAndDelete = true;
/**
* @var array A list of default widgets to load.
* This structure could be defined in the widget configuration file (for example config_report_container.yaml).
* Example YAML structure:
* defaultWidgets:
* trafficOverview:
* class: RainLab\GoogleAnalytics\ReportWidgets\TrafficOverview
* sortOrder: 1
* configuration:
* title: 'Traffic overview'
* ocWidgetWidth: 10
*/
public $defaultWidgets = [];
/**
* {@inheritDoc}
*/
public $defaultAlias = 'reportContainer';
public function __construct($controller)
{
parent::__construct($controller, []);
$this->bindToController();
$configFile = 'config_' . snake_case($this->alias) . '.yaml';
$path = $controller->getConfigPath($configFile);
if (File::isFile($path)) {
$config = $this->makeConfig($configFile);
foreach ($config as $field=>$value) {
if (property_exists($this, $field))
$this->$field = $value;
}
}
}
/**
* Renders the widget.
*/
public function render()
{
$this->vars['widgets'] = $this->loadWidgets();
return $this->makePartial('container');
}
/**
* {@inheritDoc}
*/
public function loadAssets()
{
$this->addCss('css/reportcontainer.css', 'core');
$this->addJs('vendor/isotope/jquery.isotope.min.js', 'core');
$this->addJs('js/reportcontainer.js', 'core');
}
//
// Event handlers
//
public function onUpdateWidget()
{
$alias = Request::input('alias');
$widget = $this->findWidgetByAlias($alias);
$this->saveWidgetProperties($alias, $widget->setProperties(
json_decode(Request::input('fields'), true)
));
return [
'#'.$alias => $widget->render()
];
}
public function onRemoveWidget()
{
$alias = Request::input('alias');
$this->removeWidget($alias);
}
public function onLoadAddPopup()
{
$sizes = [];
for ($i = 1; $i <= 10; $i++)
$sizes[$i] = $i < 10 ? $i : $i.' (full width)';
$this->vars['sizes'] = $sizes;
$this->vars['widgets'] = WidgetManager::instance()->listReportWidgets();
return $this->makePartial('new_widget_popup');
}
public function onAddWidget()
{
$className = trim(Request::input('className'));
$size = trim(Request::input('size'));
if (!$className)
throw new ApplicationException('Please select a widget to add.');
if (!class_exists($className))
throw new ApplicationException('The selected class doesn\'t exist.');
$widget = new $className($this->controller);
if (!($widget instanceof \Backend\Classes\ReportWidgetBase))
throw new ApplicationException('The selected class is not a report widget.');
$widgetInfo = $this->addWidget($widget, $size);
return [
'@#'.$this->getId('container-list') => $this->makePartial('widget', [
'widget' => $widget,
'widgetAlias' => $widgetInfo['alias'],
'sortOrder' => $widgetInfo['sortOrder']
])
];
}
public function addWidget($widget, $size)
{
$widgets = $this->getWidgetsFromUserPreferences();
$num = count($widgets);
do {
$num++;
$alias = 'report_container_'.$this->context.'_'.$num;
} while (array_key_exists($alias, $widgets));
$sortOrder = 0;
foreach ($widgets as $widgetInfo)
$sortOrder = max($sortOrder, $widgetInfo['sortOrder']);
$sortOrder++;
$widget->setProperty('ocWidgetWidth', $size);
$widgets[$alias] = [
'class' => get_class($widget),
'configuration' => $widget->getProperties(),
'sortOrder' => $sortOrder
];
$this->setWidgetsToUserPreferences($widgets);
return ['alias'=>$alias, 'sortOrder'=>$widgets[$alias]['sortOrder']];
}
public function onSetWidgetOrders()
{
$aliases = trim(Request::input('aliases'));
$orders = trim(Request::input('orders'));
if (!$aliases)
throw new ApplicationException('Invalid aliases string.');
if (!$orders)
throw new ApplicationException('Invalid orders string.');
$aliases = explode(',', $aliases);
$orders = explode(',', $orders);
if (count($aliases) != count($orders))
throw new ApplicationException('Invalid data posted.');
$widgets = $this->getWidgetsFromUserPreferences();
foreach ($aliases as $index=>$alias) {
if (isset($widgets[$alias]))
$widgets[$alias]['sortOrder'] = $orders[$index];
}
$this->setWidgetsToUserPreferences($widgets);
}
//
// Methods for the internal use
//
protected function loadWidgets()
{
$widgets = $this->getWidgetsFromUserPreferences();
$result = [];
foreach ($widgets as $alias => $widgetInfo) {
$configuration = $widgetInfo['configuration'];
$configuration['alias'] = $alias;
$className = $widgetInfo['class'];
if (!class_exists($className))
continue;
$widget = new $className($this->controller, $configuration);
$widget->bindToController();
$result[$alias] = ['widget' => $widget, 'sortOrder' => $widgetInfo['sortOrder']];
}
uasort($result, function($a, $b){
return $a['sortOrder'] - $b['sortOrder'];
});
return $result;
}
protected function getWidgetsFromUserPreferences()
{
$widgets = UserPreferences::forUser()->get($this->getUserPreferencesKey(), $this->defaultWidgets);
if (!is_array($widgets)) return [];
return $widgets;
}
protected function setWidgetsToUserPreferences($widgets)
{
UserPreferences::forUser()->set($this->getUserPreferencesKey(), $widgets);
}
protected function saveWidgetProperties($alias, $properties)
{
$widgets = $this->getWidgetsFromUserPreferences();
if (isset($widgets[$alias])) {
$widgets[$alias]['configuration'] = $properties;
$this->setWidgetsToUserPreferences($widgets);
}
}
protected function removeWidget($alias)
{
$widgets = $this->getWidgetsFromUserPreferences();
if (isset($widgets[$alias]))
unset($widgets[$alias]);
$this->setWidgetsToUserPreferences($widgets);
}
protected function findWidgetByAlias($alias)
{
$widgets = $this->loadWidgets();
if (!isset($widgets[$alias]))
throw new ApplicationException('The specified widget is not found.');
return $widgets[$alias]['widget'];
}
protected function getWidgetPropertyConfig($widget)
{
$properties = $widget->defineProperties();
$property = [
'property' => 'ocWidgetWidth',
'title' => 'Width (1-10)',
'description' => 'The widget width, a number between 1 and 10.',
'type' => 'dropdown',
'validationPattern' => '^[0-9]+$',
'validationMessage' => 'Please enter the widget width as a number between 1 and 10.',
'options' => [
1 => '1 column',
2 => '2 columns',
3 => '3 columns',
4 => '4 columns',
5 => '5 columns',
6 => '6 columns',
7 => '7 columns',
8 => '8 columns',
9 => '9 columns',
10 => '10 columns'
]
];
$result[] = $property;
$property = [
'property' => 'ocWidgetNewRow',
'title' => 'Force new row',
'description' => 'Put the widget in a new row.',
'type' => 'checkbox'
];
$result[] = $property;
foreach ($properties as $name=>$params) {
$property = [
'property' => $name,
'title' => isset($params['title']) ? $params['title'] : $name,
'description' => isset($params['description']) ? $params['description'] : null,
'type' => isset($params['type']) ? $params['type'] : 'string',
'validationPattern' => isset($params['validationPattern']) ? $params['validationPattern'] : null,
'validationMessage' => isset($params['validationMessage']) ? $params['validationMessage'] : null
];
$result[] = $property;
}
return json_encode($result);
}
protected function getWidgetPropertyValues($widget)
{
$result = [];
$properties = $widget->defineProperties();
foreach ($properties as $name=>$params)
$result[$name] = $widget->property($name);
$result['ocWidgetWidth'] = $widget->property('ocWidgetWidth');
$result['ocWidgetNewRow'] = $widget->property('ocWidgetNewRow');
return json_encode($result);
}
protected function getUserPreferencesKey()
{
return 'backend::reportwidgets.'.$this->context;
}
}