diff options
Diffstat (limited to 'library/Icinga/Web/Widget/FilterEditor.php')
| -rw-r--r-- | library/Icinga/Web/Widget/FilterEditor.php | 811 |
1 files changed, 811 insertions, 0 deletions
diff --git a/library/Icinga/Web/Widget/FilterEditor.php b/library/Icinga/Web/Widget/FilterEditor.php new file mode 100644 index 0000000..24f4b15 --- /dev/null +++ b/library/Icinga/Web/Widget/FilterEditor.php @@ -0,0 +1,811 @@ +<?php +/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */ + +namespace Icinga\Web\Widget; + +use Icinga\Data\Filterable; +use Icinga\Data\FilterColumns; +use Icinga\Data\Filter\Filter; +use Icinga\Data\Filter\FilterExpression; +use Icinga\Data\Filter\FilterChain; +use Icinga\Data\Filter\FilterOr; +use Icinga\Web\Url; +use Icinga\Application\Icinga; +use Icinga\Exception\ProgrammingError; +use Icinga\Web\Notification; +use Exception; + +/** + * Filter + */ +class FilterEditor extends AbstractWidget +{ + /** + * The filter + * + * @var Filter + */ + private $filter; + + /** + * The query to filter + * + * @var Filterable + */ + protected $query; + + protected $url; + + protected $addTo; + + protected $cachedColumnSelect; + + protected $preserveParams = array(); + + protected $preservedParams = array(); + + protected $preservedUrl; + + protected $ignoreParams = array(); + + protected $searchColumns; + + /** + * @var string + */ + private $selectedIdx; + + /** + * Whether the filter control is visible + * + * @var bool + */ + protected $visible = true; + + /** + * Create a new FilterEditor + * + * @param Filter $filter Your filter + */ + public function __construct($props) + { + if (array_key_exists('filter', $props)) { + $this->setFilter($props['filter']); + } + if (array_key_exists('query', $props)) { + $this->setQuery($props['query']); + } + } + + public function setFilter(Filter $filter) + { + $this->filter = $filter; + return $this; + } + + public function getFilter() + { + if ($this->filter === null) { + $this->filter = Filter::fromQueryString((string) $this->url()->getParams()); + } + return $this->filter; + } + + /** + * Set columns to search in + * + * @param array $searchColumns + * + * @return $this + */ + public function setSearchColumns(array $searchColumns = null) + { + $this->searchColumns = $searchColumns; + return $this; + } + + public function setUrl($url) + { + $this->url = $url; + return $this; + } + + protected function url() + { + if ($this->url === null) { + $this->url = Url::fromRequest(); + } + return $this->url; + } + + protected function preservedUrl() + { + if ($this->preservedUrl === null) { + $this->preservedUrl = $this->url()->with($this->preservedParams); + } + return $this->preservedUrl; + } + + /** + * Set the query to filter + * + * @param Filterable $query + * + * @return $this + */ + public function setQuery(Filterable $query) + { + $this->query = $query; + return $this; + } + + public function ignoreParams() + { + $this->ignoreParams = func_get_args(); + return $this; + } + + public function preserveParams() + { + $this->preserveParams = func_get_args(); + return $this; + } + + /** + * Get whether the filter control is visible + * + * @return bool + */ + public function isVisible() + { + return $this->visible; + } + + /** + * Set whether the filter control is visible + * + * @param bool $visible + * + * @return $this + */ + public function setVisible($visible) + { + $this->visible = (bool) $visible; + + return $this; + } + + protected function redirectNow($url) + { + $response = Icinga::app()->getFrontController()->getResponse(); + $response->redirectAndExit($url); + } + + protected function mergeRootExpression($filter, $column, $sign, $expression) + { + $found = false; + if ($filter->isChain() && $filter->getOperatorName() === 'AND') { + foreach ($filter->filters() as $f) { + if ($f->isExpression() + && $f->getColumn() === $column + && $f->getSign() === $sign + ) { + $f->setExpression($expression); + $found = true; + break; + } + } + } elseif ($filter->isExpression()) { + if ($filter->getColumn() === $column && $filter->getSign() === $sign) { + $filter->setExpression($expression); + $found = true; + } + } + if (! $found) { + $filter = $filter->andFilter( + Filter::expression($column, $sign, $expression) + ); + } + return $filter; + } + + protected function resetSearchColumns(Filter &$filter) + { + if ($filter->isChain()) { + $filters = &$filter->filters(); + if (!($empty = empty($filters))) { + foreach ($filters as $k => &$f) { + if (false === $this->resetSearchColumns($f)) { + unset($filters[$k]); + } + } + } + return $empty || !empty($filters); + } + return $filter->isExpression() ? !( + in_array($filter->getColumn(), $this->searchColumns) + && + $filter->getSign() === '=' + ) : true; + } + + public function handleRequest($request) + { + $this->setUrl($request->getUrl()->without($this->ignoreParams)); + $params = $this->url()->getParams(); + + $preserve = array(); + foreach ($this->preserveParams as $key) { + if (null !== ($value = $params->shift($key))) { + $preserve[$key] = $value; + } + } + $this->preservedParams = $preserve; + + $add = $params->shift('addFilter'); + $remove = $params->shift('removeFilter'); + $strip = $params->shift('stripFilter'); + $modify = $params->shift('modifyFilter'); + + + + $search = null; + if ($request->isPost()) { + $search = $request->getPost('q'); + } + + if ($search === null) { + $search = $params->shift('q'); + } + + $filter = $this->getFilter(); + + if ($search !== null) { + if (strpos($search, '=') !== false) { + list($k, $v) = preg_split('/=/', $search); + $filter = $this->mergeRootExpression($filter, trim($k), '=', ltrim($v)); + } else { + if ($this->searchColumns === null && $this->query instanceof FilterColumns) { + $this->searchColumns = $this->query->getSearchColumns($search); + } + + if (! empty($this->searchColumns)) { + if (! $this->resetSearchColumns($filter)) { + $filter = Filter::matchAll(); + } + $filters = array(); + $search = trim($search); + foreach ($this->searchColumns as $searchColumn) { + $filters[] = Filter::expression($searchColumn, '=', "*$search*"); + } + $filter = $filter->andFilter(new FilterOr($filters)); + } else { + Notification::error(mt('monitoring', 'Cannot search here')); + return $this; + } + } + + $url = Url::fromRequest()->onlyWith($this->preserveParams); + $urlParams = $url->getParams(); + $url->setQueryString($filter->toQueryString()); + foreach ($urlParams->toArray(false) as $key => $value) { + $url->getParams()->addEncoded($key, $value); + } + + $this->redirectNow($url); + } + + if ($remove) { + $redirect = $this->url(); + if ($filter->getById($remove)->isRootNode()) { + $redirect->setQueryString(''); + } else { + $filter->removeId($remove); + $redirect->setQueryString($filter->toQueryString())->getParams()->add('modifyFilter'); + } + $this->redirectNow($redirect->addParams($preserve)); + } + + if ($strip) { + $redirect = $this->url(); + $subId = $strip . '-1'; + if ($filter->getId() === $strip) { + $filter = $filter->getById($strip . '-1'); + } else { + $filter->replaceById($strip, $filter->getById($strip . '-1')); + } + $redirect->setQueryString($filter->toQueryString())->getParams()->add('modifyFilter'); + $this->redirectNow($redirect->addParams($preserve)); + } + + + if ($modify) { + if ($request->isPost()) { + if ($request->get('cancel') === 'Cancel') { + $this->redirectNow($this->preservedUrl()->without('modifyFilter')); + } + if ($request->get('formUID') === 'FilterEditor') { + $filter = $this->applyChanges($request->getPost()); + $url = $this->url()->setQueryString($filter->toQueryString())->addParams($preserve); + $url->getParams()->add('modifyFilter'); + + $addFilter = $request->get('add_filter'); + if ($addFilter !== null) { + $url->setParam('addFilter', $addFilter); + } + + $removeFilter = $request->get('remove_filter'); + if ($removeFilter !== null) { + $url->setParam('removeFilter', $removeFilter); + } + + $this->redirectNow($url); + } + } + $this->url()->getParams()->add('modifyFilter'); + } + + if ($add) { + $this->addFilterToId($add); + } + + if ($this->query !== null && $request->isGet()) { + $this->query->applyFilter($this->getFilter()); + } + + return $this; + } + + protected function select($name, $list, $selected, $attributes = null) + { + $view = $this->view(); + if ($attributes === null) { + $attributes = ''; + } else { + $attributes = $view->propertiesToString($attributes); + } + $html = sprintf( + '<select name="%s"%s class="autosubmit">' . "\n", + $view->escape($name), + $attributes + ); + + foreach ($list as $k => $v) { + $active = ''; + if ($k === $selected) { + $active = ' selected="selected"'; + } + $html .= sprintf( + ' <option value="%s"%s>%s</option>' . "\n", + $view->escape($k), + $active, + $view->escape($v) + ); + } + $html .= '</select>' . "\n\n"; + return $html; + } + + protected function addFilterToId($id) + { + $this->addTo = $id; + return $this; + } + + protected function removeIndex($idx) + { + $this->selectedIdx = $idx; + return $this; + } + + protected function removeLink(Filter $filter) + { + return "<button type='submit' name='remove_filter' value='{$filter->getId()}'>" + . $this->view()->icon('trash', t('Remove this part of your filter')) + . '</button>'; + } + + protected function addLink(Filter $filter) + { + return "<button type='submit' name='add_filter' value='{$filter->getId()}'>" + . $this->view()->icon('plus', t('Add another filter')) + . '</button>'; + } + + protected function stripLink(Filter $filter) + { + return $this->view()->qlink( + '', + $this->preservedUrl()->with('stripFilter', $filter->getId()), + null, + array( + 'icon' => 'minus', + 'title' => t('Strip this filter') + ) + ); + } + + protected function cancelLink() + { + return $this->view()->qlink( + '', + $this->preservedUrl()->without('addFilter'), + null, + array( + 'icon' => 'cancel', + 'title' => t('Cancel this operation') + ) + ); + } + + protected function renderFilter($filter, $level = 0) + { + if ($level === 0 && $filter->isChain() && $filter->isEmpty()) { + return '<ul class="datafilter"><li class="active">' . $this->renderNewFilter() . '</li></ul>'; + } + + if ($filter instanceof FilterChain) { + return $this->renderFilterChain($filter, $level); + } elseif ($filter instanceof FilterExpression) { + return $this->renderFilterExpression($filter); + } else { + throw new ProgrammingError('Got a Filter being neither expression nor chain'); + } + } + + protected function renderFilterChain(FilterChain $filter, $level) + { + $html = '<span class="handle"> </span>' + . $this->selectOperator($filter) + . $this->removeLink($filter) + . ($filter->count() === 1 ? $this->stripLink($filter) : '') + . $this->addLink($filter); + + if ($filter->isEmpty() && ! $this->addTo) { + return $html; + } + + $parts = array(); + foreach ($filter->filters() as $f) { + $parts[] = '<li>' . $this->renderFilter($f, $level + 1) . '</li>'; + } + + if ($this->addTo && $this->addTo == $filter->getId()) { + $parts[] = '<li class="new-filter">' . $this->renderNewFilter() .$this->cancelLink(). '</li>'; + } + + $class = $level === 0 ? ' class="datafilter"' : ''; + $html .= sprintf( + "<ul%s>\n%s</ul>\n", + $class, + implode("", $parts) + ); + return $html; + } + + protected function renderFilterExpression(FilterExpression $filter) + { + if ($this->addTo && $this->addTo === $filter->getId()) { + return + preg_replace( + '/ class="autosubmit"/', + ' class="autofocus"', + $this->selectOperator() + ) + . '<ul><li>' + . $this->selectColumn($filter) + . $this->selectSign($filter) + . $this->text($filter) + . $this->removeLink($filter) + . $this->addLink($filter) + . '</li><li class="active">' + . $this->renderNewFilter() .$this->cancelLink() + . '</li></ul>' + ; + } else { + return $this->selectColumn($filter) + . $this->selectSign($filter) + . $this->text($filter) + . $this->removeLink($filter) + . $this->addLink($filter) + ; + } + } + + protected function text(Filter $filter = null) + { + $value = $filter === null ? '' : $filter->getExpression(); + if (is_array($value)) { + $value = '(' . implode('|', $value) . ')'; + } + return sprintf( + '<input type="text" name="%s" value="%s" />', + $this->elementId('value', $filter), + $this->view()->escape($value) + ); + } + + protected function renderNewFilter() + { + $html = $this->selectColumn() + . $this->selectSign() + . $this->text(); + + return preg_replace( + '/ class="autosubmit"/', + '', + $html + ); + } + + protected function arrayForSelect($array, $flip = false) + { + $res = array(); + foreach ($array as $k => $v) { + if (is_int($k)) { + $res[$v] = ucwords(str_replace('_', ' ', $v)); + } elseif ($flip) { + $res[$v] = $k; + } else { + $res[$k] = $v; + } + } + // sort($res); + return $res; + } + + protected function elementId($prefix, Filter $filter = null) + { + if ($filter === null) { + return $prefix . '_new_' . ($this->addTo ?: '0'); + } else { + return $prefix . '_' . $filter->getId(); + } + } + + protected function selectOperator(Filter $filter = null) + { + $ops = array( + 'AND' => 'AND', + 'OR' => 'OR', + 'NOT' => 'NOT' + ); + + return $this->select( + $this->elementId('operator', $filter), + $ops, + $filter === null ? null : $filter->getOperatorName(), + ['class' => 'filter-operator'] + ); + } + + protected function selectSign(Filter $filter = null) + { + $signs = array( + '=' => '=', + '!=' => '!=', + '>' => '>', + '<' => '<', + '>=' => '>=', + '<=' => '<=', + ); + + return $this->select( + $this->elementId('sign', $filter), + $signs, + $filter === null ? null : $filter->getSign(), + ['class' => 'filter-rule'] + ); + } + + public function setColumns(array $columns = null) + { + $this->cachedColumnSelect = $columns ? $this->arrayForSelect($columns) : null; + return $this; + } + + protected function selectColumn(Filter $filter = null) + { + $active = $filter === null ? null : $filter->getColumn(); + + if ($this->cachedColumnSelect === null && $this->query === null) { + return sprintf( + '<input type="text" name="%s" value="%s" />', + $this->elementId('column', $filter), + $this->view()->escape($active) // Escape attribute? + ); + } + + if ($this->cachedColumnSelect === null && $this->query instanceof FilterColumns) { + $this->cachedColumnSelect = $this->arrayForSelect($this->query->getFilterColumns(), true); + asort($this->cachedColumnSelect); + } elseif ($this->cachedColumnSelect === null) { + throw new ProgrammingError('No columns set nor does the query provide any'); + } + + $cols = $this->cachedColumnSelect; + if ($active && !isset($cols[$active])) { + $cols[$active] = str_replace('_', ' ', ucfirst(ltrim($active, '_'))); + } + + return $this->select($this->elementId('column', $filter), $cols, $active); + } + + protected function applyChanges($changes) + { + $filter = $this->filter; + $pairs = array(); + $addTo = null; + $add = array(); + foreach ($changes as $k => $v) { + if (preg_match('/^(column|value|sign|operator)((?:_new)?)_([\d-]+)$/', $k, $m)) { + if ($m[2] === '_new') { + if ($addTo !== null && $addTo !== $m[3]) { + throw new \Exception('F...U'); + } + $addTo = $m[3]; + $add[$m[1]] = $v; + } else { + $pairs[$m[3]][$m[1]] = $v; + } + } + } + + $operators = array(); + foreach ($pairs as $id => $fs) { + if (array_key_exists('operator', $fs)) { + $operators[$id] = $fs['operator']; + } else { + $f = $filter->getById($id); + $f->setColumn($fs['column']); + if ($f->getSign() !== $fs['sign']) { + if ($f->isRootNode()) { + $filter = $f->setSign($fs['sign']); + } else { + $filter->replaceById($id, $f->setSign($fs['sign'])); + } + } + $f->setExpression($fs['value']); + } + } + + krsort($operators, SORT_NATURAL); + foreach ($operators as $id => $operator) { + $f = $filter->getById($id); + if ($f->getOperatorName() !== $operator) { + if ($f->isRootNode()) { + $filter = $f->setOperatorName($operator); + } else { + $filter->replaceById($id, $f->setOperatorName($operator)); + } + } + } + + if ($addTo !== null) { + if ($addTo === '0') { + $filter = Filter::expression($add['column'], $add['sign'], $add['value']); + } else { + $parent = $filter->getById($addTo); + $f = Filter::expression($add['column'], $add['sign'], $add['value']); + if (isset($add['operator'])) { + switch ($add['operator']) { + case 'AND': + if ($parent->isExpression()) { + if ($parent->isRootNode()) { + $filter = Filter::matchAll(clone $parent, $f); + } else { + $filter = $filter->replaceById($addTo, Filter::matchAll(clone $parent, $f)); + } + } else { + $parent->addFilter(Filter::matchAll($f)); + } + break; + case 'OR': + if ($parent->isExpression()) { + if ($parent->isRootNode()) { + $filter = Filter::matchAny(clone $parent, $f); + } else { + $filter = $filter->replaceById($addTo, Filter::matchAny(clone $parent, $f)); + } + } else { + $parent->addFilter(Filter::matchAny($f)); + } + break; + case 'NOT': + if ($parent->isExpression()) { + if ($parent->isRootNode()) { + $filter = Filter::not(Filter::matchAll($parent, $f)); + } else { + $filter = $filter->replaceById($addTo, Filter::not(Filter::matchAll($parent, $f))); + } + } else { + $parent->addFilter(Filter::not($f)); + } + break; + } + } else { + $parent->addFilter($f); + } + } + } + + return $filter; + } + + public function renderSearch() + { + $preservedUrl = $this->preservedUrl(); + + $html = ' <form method="post" class="search inline" action="' + . $preservedUrl + . '"><input type="text" name="q" class="search search-input" value="" placeholder="' + . t('Search...') + . '" /></form>'; + + if ($this->filter->isEmpty()) { + $title = t('Filter this list'); + } else { + $title = t('Modify this filter'); + if (! $this->filter->isEmpty()) { + $title .= ': ' . $this->view()->escape($this->filter); + } + } + + return $html + . '<a href="' + . $preservedUrl->with('modifyFilter', ! $preservedUrl->getParam('modifyFilter')) + . '" aria-label="' + . $title + . '" title="' + . $title + . '">' + . '<i aria-hidden="true" class="icon-filter"></i>' + . '</a>'; + } + + public function render() + { + if (! $this->visible) { + return ''; + } + if (! $this->preservedUrl()->getParam('modifyFilter')) { + return '<div class="filter icinga-controls">' + . $this->renderSearch() + . $this->view()->escape($this->shorten($this->filter, 50)) + . '</div>'; + } + return '<div class="filter icinga-controls">' + . $this->renderSearch() + . '<form action="' + . Url::fromRequest() + . '" class="editor" method="POST">' + . '<input type="submit" name="submit" value="Apply" hidden/>' + . '<ul class="tree"><li>' + . $this->renderFilter($this->filter) + . '</li></ul>' + . '<div class="buttons">' + . '<input type="submit" name="cancel" value="Cancel" class="button btn-cancel" />' + . '<input type="submit" name="submit" value="Apply" class="button btn-primary"/>' + . '</div>' + . '<input type="hidden" name="formUID" value="FilterEditor">' + . '</form>' + . '</div>'; + } + + protected function shorten($string, $length) + { + if (strlen($string) > $length) { + return substr($string, 0, $length) . '...'; + } + return $string; + } + + public function __toString() + { + try { + return $this->render(); + } catch (Exception $e) { + return 'ERROR in FilterEditor: ' . $e->getMessage(); + } + } +} |