mirror of
https://github.com/silverstripe/silverstripe-blog
synced 2024-10-22 11:05:58 +02:00
3e8754e50d
ENHANCEMENT Use of instanceof instead of is_a() so BlogHolder and BlogEntry subclasses still work properly
88 lines
2.2 KiB
PHP
88 lines
2.2 KiB
PHP
<?php
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/**
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* Shows a widget with viewing blog entries
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* by months or years.
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*
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* @package blog
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*/
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class ArchiveWidget extends Widget {
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static $db = array(
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'DisplayMode' => 'Varchar'
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);
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static $defaults = array(
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'DisplayMode' => 'month'
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);
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static $title = 'Browse by Date';
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static $cmsTitle = 'Blog Archive';
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static $description = 'Show a list of months or years in which there are blog posts, and provide links to them.';
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function getBlogHolder() {
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$page = Director::currentPage();
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if($page instanceof BlogHolder) {
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return $page;
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} elseif(($page instanceof BlogEntry) && ($page->getParent() instanceof BlogHolder)) {
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return $page->getParent();
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} else {
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return DataObject::get_one('BlogHolder');
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}
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}
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function getCMSFields() {
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return new FieldSet(
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new OptionsetField(
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'DisplayMode',
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_t('ArchiveWidget.DispBY', 'Display by'),
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array(
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'month' => _t('ArchiveWidget.MONTH', 'month'),
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'year' => _t('ArchiveWidget.YEAR', 'year')
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)
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)
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);
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}
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function Dates() {
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Requirements::themedCSS('archivewidget');
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$results = new DataObjectSet();
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$blogHolder = $this->getBlogHolder();
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$id = $blogHolder->ID;
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if($this->DisplayMode == 'month') {
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$sqlResults = DB::query("SELECT DISTINCT MONTH(`Date`) AS `Month`, YEAR(`Date`) AS `Year` FROM `SiteTree` NATURAL JOIN `BlogEntry` WHERE `ParentID` = $id ORDER BY `Date` DESC");
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} else {
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$sqlResults = DB::query("SELECT DISTINCT YEAR(`Date`) AS `Year` FROM `SiteTree` NATURAL JOIN `BlogEntry` WHERE `ParentID` = $id ORDER BY `Date` DESC");
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}
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if(!$sqlResults) return new DataObjectSet();
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foreach($sqlResults as $sqlResult) {
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$date = new Date('Date');
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$month = ($this->DisplayMode == 'month') ? (int)$sqlResult['Month'] : 1;
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$date->setValue(array(
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'Day' => 1,
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'Month' => $month,
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'Year' => (int) $sqlResult['Year']
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));
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if($this->DisplayMode == 'month') {
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$link = $blogHolder->Link() . $sqlResult['Year']. '/' . sprintf("%'02d", $sqlResult['Month']);
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} else {
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$link = $blogHolder->Link() . $sqlResult['Year'];
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}
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$results->push(new ArrayData(array(
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'Date' => $date,
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'Link' => $link
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)));
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}
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return $results;
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}
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}
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?>
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