winter/modules/backend/widgets/ReportContainer.php
2014-10-11 00:39:34 +02:00

371 lines
11 KiB
PHP

<?php namespace Backend\Widgets;
use File;
use Lang;
use Request;
use Backend\Classes\WidgetBase;
use Backend\Classes\WidgetManager;
use Backend\Models\UserPreferences;
use System\Classes\ApplicationException;
/**
* 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.' (' . Lang::get('backend::lang.dashboard.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();
$property = [
'property' => 'ocWidgetWidth',
'title' => Lang::get('backend::lang.dashboard.widget_columns_label', ['columns' => '(1-10)']),
'description' => Lang::get('backend::lang.dashboard.widget_columns_description'),
'type' => 'dropdown',
'validationPattern' => '^[0-9]+$',
'validationMessage' => Lang::get('backend::lang.dashboard.widget_columns_error'),
'options' => [
1 => '1 ' . Lang::choice('backend::lang.dashboard.columns', 1),
2 => '2 ' . Lang::choice('backend::lang.dashboard.columns', 2),
3 => '3 ' . Lang::choice('backend::lang.dashboard.columns', 3),
4 => '4 ' . Lang::choice('backend::lang.dashboard.columns', 4),
5 => '5 ' . Lang::choice('backend::lang.dashboard.columns', 5),
6 => '6 ' . Lang::choice('backend::lang.dashboard.columns', 6),
7 => '7 ' . Lang::choice('backend::lang.dashboard.columns', 7),
8 => '8 ' . Lang::choice('backend::lang.dashboard.columns', 8),
9 => '9 ' . Lang::choice('backend::lang.dashboard.columns', 9),
10 => '10 ' . Lang::choice('backend::lang.dashboard.columns', 10)
]
];
$result[] = $property;
$property = [
'property' => 'ocWidgetNewRow',
'title' => Lang::get('backend::lang.dashboard.widget_new_row_label'),
'description' => Lang::get('backend::lang.dashboard.widget_new_row_description'),
'type' => 'checkbox'
];
$result[] = $property;
foreach ($properties as $name => $params) {
$property = [
'property' => $name,
'title' => isset($params['title']) ? Lang::get($params['title']) : $name,
'type' => isset($params['type']) ? $params['type'] : 'string'
];
foreach ($params as $name => $value) {
if (isset($property[$name])) {
continue;
}
$property[$name] = !is_array($value) ? Lang::get($value) : $value;
}
$result[] = $property;
}
return json_encode($result);
}
protected function getWidgetPropertyValues($widget)
{
$result = [];
$properties = $widget->defineProperties();
foreach ($properties as $name => $params) {
$result[$name] = Lang::get($widget->property($name));
}
$result['ocWidgetWidth'] = $widget->property('ocWidgetWidth');
$result['ocWidgetNewRow'] = $widget->property('ocWidgetNewRow');
return json_encode($result);
}
protected function getUserPreferencesKey()
{
return 'backend::reportwidgets.'.$this->context;
}
}