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Diffstat (limited to 'library/Icinga/Web/Widget/SortBox.php')
| -rw-r--r-- | library/Icinga/Web/Widget/SortBox.php | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/library/Icinga/Web/Widget/SortBox.php b/library/Icinga/Web/Widget/SortBox.php new file mode 100644 index 0000000..72b6f58 --- /dev/null +++ b/library/Icinga/Web/Widget/SortBox.php @@ -0,0 +1,260 @@ +<?php +/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Web\Widget; + +use Icinga\Application\Icinga; +use Icinga\Data\Sortable; +use Icinga\Data\SortRules; +use Icinga\Web\Form; +use Icinga\Web\Request; + +/** + * SortBox widget + * + * The "SortBox" Widget allows you to create a generic sort input for sortable views. It automatically creates a select + * box with all sort options and a dropbox with the sort direction. It also handles automatic submission of sorting + * changes and draws an additional submit button when JavaScript is disabled. + * + * The constructor takes a string for the component name and an array containing the select options, where the key is + * the value to be submitted and the value is the label that will be shown. You then should call setRequest in order + * to make sure the form is correctly populated when a request with a sort parameter is being made. + * + * Call setQuery in case you'll do not want to handle URL parameters manually, but to automatically apply the user's + * chosen sort rules on the given sortable query. This will also allow the SortBox to display the user the correct + * default sort rules if the given query provides already some sort rules. + */ +class SortBox extends AbstractWidget +{ + /** + * An array containing all sort columns with their associated labels + * + * @var array + */ + protected $sortFields; + + /** + * An array containing default sort directions for specific columns + * + * The first entry will be used as default sort column. + * + * @var array + */ + protected $sortDefaults; + + /** + * The name used to uniquely identfy the forms being created + * + * @var string + */ + protected $name; + + /** + * The request to fetch sort rules from + * + * @var Request + */ + protected $request; + + /** + * The query to apply sort rules on + * + * @var Sortable + */ + protected $query; + + /** + * Create a SortBox with the entries from $sortFields + * + * @param string $name The name for the SortBox + * @param array $sortFields An array containing the columns and their labels to be displayed in the SortBox + * @param array $sortDefaults An array containing default sort directions for specific columns + */ + public function __construct($name, array $sortFields, array $sortDefaults = null) + { + $this->name = $name; + $this->sortFields = $sortFields; + $this->sortDefaults = $sortDefaults; + } + + /** + * Create a SortBox + * + * @param string $name The name for the SortBox + * @param array $sortFields An array containing the columns and their labels to be displayed in the SortBox + * @param array $sortDefaults An array containing default sort directions for specific columns + * + * @return SortBox + */ + public static function create($name, array $sortFields, array $sortDefaults = null) + { + return new static($name, $sortFields, $sortDefaults); + } + + /** + * Set the request to fetch sort rules from + * + * @param Request $request + * + * @return $this + */ + public function setRequest($request) + { + $this->request = $request; + return $this; + } + + /** + * Set the query to apply sort rules on + * + * @param Sortable $query + * + * @return $this + */ + public function setQuery(Sortable $query) + { + $this->query = $query; + return $this; + } + + /** + * Return the default sort rule for the query + * + * @param string $column An optional column + * + * @return array An array of two values: $column, $direction + */ + protected function getSortDefaults($column = null) + { + $direction = null; + if (! empty($this->sortDefaults) && ($column === null || isset($this->sortDefaults[$column]))) { + if ($column === null) { + reset($this->sortDefaults); + $column = key($this->sortDefaults); + } + + $direction = $this->sortDefaults[$column]; + } elseif ($this->query !== null && $this->query instanceof SortRules) { + $sortRules = $this->query->getSortRules(); + if ($column === null) { + $column = key($sortRules); + } + + if ($column !== null && isset($sortRules[$column]['order'])) { + $direction = strtoupper($sortRules[$column]['order']) === Sortable::SORT_DESC ? 'desc' : 'asc'; + } + } elseif ($column === null) { + reset($this->sortFields); + $column = key($this->sortFields); + } + + return array($column, $direction); + } + + /** + * Apply the sort rules from the given or current request on the query + * + * @param Request $request + * + * @return $this + */ + public function handleRequest(Request $request = null) + { + if ($this->query !== null) { + if ($request === null) { + $request = Icinga::app()->getRequest(); + } + + if (! ($sort = $request->getParam('sort'))) { + list($sort, $dir) = $this->getSortDefaults(); + } else { + list($_, $dir) = $this->getSortDefaults($sort); + } + + $this->query->order($sort, $request->getParam('dir', $dir)); + } + + return $this; + } + + /** + * Render this SortBox as HTML + * + * @return string + */ + public function render() + { + $columnForm = new Form(); + $columnForm->setTokenDisabled(); + $columnForm->setName($this->name . '-column'); + $columnForm->setAttrib('class', 'icinga-controls inline'); + $columnForm->addElement( + 'select', + 'sort', + array( + 'autosubmit' => true, + 'label' => $this->view()->translate('Sort by'), + 'multiOptions' => $this->sortFields, + 'decorators' => array( + array('ViewHelper'), + array('Label') + ) + ) + ); + + $column = null; + if ($this->request) { + $url = $this->request->getUrl(); + if ($url->hasParam('sort')) { + $column = $url->getParam('sort'); + + if ($url->hasParam('dir')) { + $direction = $url->getParam('dir'); + } else { + list($_, $direction) = $this->getSortDefaults($column); + } + } elseif ($url->hasParam('dir')) { + $direction = $url->getParam('dir'); + list($column, $_) = $this->getSortDefaults(); + } + } + + if ($column === null) { + list($column, $direction) = $this->getSortDefaults(); + } + + // TODO(el): ToggleButton :) + $toggle = array('asc' => 'sort-name-down', 'desc' => 'sort-name-up'); + unset($toggle[isset($direction) ? strtolower($direction) : 'asc']); + $newDirection = key($toggle); + $icon = current($toggle); + + $orderForm = new Form(); + $orderForm->setTokenDisabled(); + $orderForm->setName($this->name . '-order'); + $orderForm->setAttrib('class', 'inline sort-direction-control'); + $orderForm->addElement( + 'hidden', + 'dir' + ); + $orderForm->addElement( + 'button', + 'btn_submit', + array( + 'ignore' => true, + 'type' => 'submit', + 'label' => $this->view()->icon($icon), + 'decorators' => array('ViewHelper'), + 'escape' => false, + 'class' => 'link-button spinner', + 'value' => 'submit', + 'title' => t('Change sort direction'), + ) + ); + + + $columnForm->populate(array('sort' => $column)); + $orderForm->populate(array('dir' => $newDirection)); + return '<div class="sort-control">' . $columnForm . $orderForm . '</div>'; + } +} |