function execute($param)
{
global $wgOut;
$this->setHeaders();
$this->ranges = CategoryBrowser::generateRanges($this->source_ranges);
$cb = new CategoryBrowser();
# try to create rootPager from rootcond cookie value
if (is_string($encPolishQueue = CB_Setup::getCookie('rootcond'))) {
$sqlCond = CB_SqlCond::newFromEncodedPolishQueue($encPolishQueue);
$rootPager = CB_RootPager::newFromSqlCond($sqlCond);
# add selected condition to range, if not duplicate
CategoryBrowser::addRange($this->ranges, $rootPager->sqlCond);
} else {
# otherwise, try to create rootPager from the list of predefined infix queues (ranges)
if (!is_object($rootPager = CB_RootPager::newFromCategoryRange($this->ranges))) {
return;
}
}
$rootPager->getCurrentRows();
/* reverse polish queue encode / decode validations */
$testCond = CB_SqlCond::newFromEncodedPolishQueue($rootPager->sqlCond->getEncodedQueue(false));
if ($rootPager->sqlCond->getCond() != $testCond->getCond()) {
throw new MWException('Infix queue was not re-built correctly from encoded polish queue in ' . __METHOD__);
}
/* infix queue encode / decode validations */
$testCond = CB_SqlCond::newFromEncodedInfixQueue($rootPager->sqlCond->getEncodedQueue(true));
if ($rootPager->sqlCond->getCond() != $testCond->getCond()) {
throw new MWException('Infix queue was not re-built correctly from encoded infix queue in ' . __METHOD__);
}
/* end of validations */
# {{{ top template
$condSelector = '';
$catlist = array();
$js_setFilter = 'CategoryBrowser.setFilter()';
$filterFields = array();
if (CB_Setup::$cat_title_CI != '') {
// case insensitive search is possible
$filterFields[] = array('__tag' => 'span', 0 => wfMsg('cb_cat_name_filter_ci'));
$filterFields[] = array('__tag' => 'input', 'class' => 'cb_filter_field', 'type' => 'checkbox', 'onchange' => $js_setFilter, 'id' => 'cb_cat_name_filter_ci', 'title' => wfMsg('cb_cat_name_filter_ci'), 'checked' => null);
}
if (CB_Setup::$allowNoParentsOnly) {
$filterFields[] = array(array('__tag' => 'span', 'class' => 'cb_filter_field', 0 => wfMsg('cb_show_no_parents_only')), array('__tag' => 'input', 'class' => 'cb_filter_field', 'type' => 'checkbox', 'onchange' => $js_setFilter, 'onclick' => $js_setFilter, 'title' => wfMsg('cb_show_no_parents_only'), 'id' => 'cb_cat_no_parents_only'));
}
$top_tpl = array('__tag' => 'table', 'class' => 'cb_top_container', '__end' => "\n", array('__tag' => 'tr', '__end' => "\n", array('__tag' => 'td', 'class' => 'cb_toolbox_top', '__end' => "\n", 0 => &$condSelector)), array('__tag' => 'tr', '__end' => "\n", array('__tag' => 'td', 'class' => 'cb_toolbox_bottom', '__end' => "\n", array('__tag' => 'div', 'class' => 'cb_filter_container', wfMsg('cb_cat_name_filter'), array('__tag' => 'input', 'type' => 'text', 'onkeyup' => $js_setFilter, 'onchange' => $js_setFilter, 'id' => 'cb_cat_name_filter'), array('__tag' => 'input', 'type' => 'button', 'class' => 'cb_filter_field', 'onclick' => 'CategoryBrowser.clearNameFilter(this)', 'title' => wfMsg('cb_cat_name_filter_clear'), 'value' => '※')), array('__tag' => 'div', 'class' => 'cb_filter_container', &$filterFields))), array('__tag' => 'tr', '__end' => "\n", array('__tag' => 'td', 'class' => 'cb_toolbox', 'style' => 'display:none; ', '__end' => "\n", array('__tag' => 'div', 'id' => 'cb_editor_container', 0 => ''), array('__tag' => 'div', 'class' => 'cb_separate_container', 0 => ''))), array('__tag' => 'tr', '__end' => "\n", array('__tag' => 'td', 'class' => 'cb_toolbox', 'style' => 'display:none; ', '__end' => "\n", array('__tag' => 'div', 'class' => 'cb_copy_line_hint', 0 => wfMsg('cb_copy_line_hint')), array('__tag' => 'div', 'id' => 'cb_samples_container', 0 => ''))), array('__tag' => 'tr', '__end' => "\n", array('__tag' => 'td', '__end' => "\n", array('__tag' => 'div', 'id' => 'cb_root_container', 0 => &$catlist))));
# }}}
$condSelector = CategoryBrowser::generateSelector($this->ranges, $rootPager);
$pagerView = new CB_CategoriesView($rootPager);
$catlist = $pagerView->generateList();
$wgOut->addHTML(CB_XML::toText($top_tpl));
}
/**
* create root pager from the largest non-empty category range
* @param $ranges - array of "complete" token queues (range)
* (every range is an stdobject of decoded infix queue and encoded reverse polish queue)
*/
public static function newFromCategoryRange($ranges)
{
$rp = null;
foreach ($ranges as &$range) {
$rp = CB_RootPager::newFromInfixTokens($range->infix_tokens);
$rp->getCurrentRows();
if (is_object($rp) && $rp->offset != -1) {
break;
}
}
return $rp;
}
/**
* called via AJAX to get root list for specitied offset, limit
* where condition will be read from the cookie previousely set
* @param $args[0] : encoded reverse polish queue
* @param $args[1] : category name filter string
* @param $args[2] : category name filter case insensitive flag
* @param $args[3] : browse only categories which has no parents flag (by default, false)
* @param $args[4] : offset (optional)
* @param $args[5] : limit (optional)
*/
static function getRootOffsetHtml()
{
$args = func_get_args();
$limit = count($args) > 5 ? abs(intval($args[5])) : CB_PAGING_ROWS;
$offset = count($args) > 4 ? abs(intval($args[4])) : 0;
$noParentsOnly = count($args) > 3 ? $args[3] == 'true' : false;
$nameFilterCI = count($args) > 2 ? $args[2] == 'true' : false;
$nameFilter = count($args) > 1 ? $args[1] : '';
$encPolishQueue = count($args) > 0 ? $args[0] : 'all';
$cb = new CategoryBrowser();
$sqlCond = CB_SqlCond::newFromEncodedPolishQueue($encPolishQueue);
$rootPager = CB_RootPager::newFromSqlCond($sqlCond, $offset, $limit);
$rootPager->setNoParentsOnly($noParentsOnly);
$rootPager->setNameFilter($nameFilter, $nameFilterCI);
$rootPager->getCurrentRows();
$catView = new CB_CategoriesView($rootPager);
$catlist = $catView->generateList();
return CB_XML::toText($catlist);
}
