142 lines
3.7 KiB
PHP
142 lines
3.7 KiB
PHP
<?php
|
|
|
|
namespace Wilr\GoogleSitemaps\Extensions;
|
|
|
|
use SilverStripe\CMS\Model\ErrorPage;
|
|
use SilverStripe\Forms\DropdownField;
|
|
use SilverStripe\Forms\LiteralField;
|
|
use SilverStripe\Forms\Tab;
|
|
|
|
class GoogleSitemapSiteTreeExtension extends GoogleSitemapExtension
|
|
{
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private static $db = array(
|
|
"Priority" => "Varchar(5)"
|
|
);
|
|
|
|
/**
|
|
* @param FieldList
|
|
*/
|
|
public function updateSettingsFields(&$fields)
|
|
{
|
|
$prorities = array(
|
|
'-1' => _t('GoogleSitemaps.PRIORITYNOTINDEXED', "Not indexed"),
|
|
'1.0' => '1 - ' . _t('GoogleSitemaps.PRIORITYMOSTIMPORTANT', "Most important"),
|
|
'0.9' => '2',
|
|
'0.8' => '3',
|
|
'0.7' => '4',
|
|
'0.6' => '5',
|
|
'0.5' => '6',
|
|
'0.4' => '7',
|
|
'0.3' => '8',
|
|
'0.2' => '9',
|
|
'0.1' => '10 - ' . _t('GoogleSitemaps.PRIORITYLEASTIMPORTANT', "Least important")
|
|
);
|
|
|
|
$tabset = $fields->findOrMakeTab('Root.Settings');
|
|
|
|
$message = "<p>";
|
|
$message .= sprintf(
|
|
_t(
|
|
'GoogleSitemaps.METANOTEPRIORITY',
|
|
"Manually specify a Google Sitemaps priority for this page (%s)"
|
|
),
|
|
'<a href="http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=71936#prioritize" '
|
|
. 'target="_blank">?</a>'
|
|
);
|
|
$message .= "</p>";
|
|
|
|
$tabset->push(new Tab(
|
|
'GoogleSitemap',
|
|
_t('GoogleSitemaps.TABGOOGLESITEMAP', 'Google Sitemap'),
|
|
LiteralField::create("GoogleSitemapIntro", $message),
|
|
$priority = DropdownField::create(
|
|
"Priority",
|
|
$this->owner->fieldLabel('Priority'),
|
|
$prorities,
|
|
$this->owner->Priority
|
|
)
|
|
));
|
|
|
|
$priority->setEmptyString(_t('GoogleSitemaps.PRIORITYAUTOSET', 'Auto-set based on page depth'));
|
|
}
|
|
|
|
/**
|
|
* @param FieldList
|
|
*
|
|
* @return void
|
|
*/
|
|
public function updateFieldLabels(&$labels)
|
|
{
|
|
parent::updateFieldLabels($labels);
|
|
|
|
$labels['Priority'] = _t('GoogleSitemaps.METAPAGEPRIO', "Page Priority");
|
|
}
|
|
|
|
/**
|
|
* Ensure that all parent pages of this page (if any) are published
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function hasPublishedParent()
|
|
{
|
|
|
|
// Skip root pages
|
|
if (empty($this->owner->ParentID)) {
|
|
return true;
|
|
}
|
|
|
|
// Ensure direct parent exists
|
|
$parent = $this->owner->Parent();
|
|
if (empty($parent) || !$parent->exists()) {
|
|
return false;
|
|
}
|
|
|
|
// Check ancestry
|
|
return $parent->hasPublishedParent();
|
|
}
|
|
|
|
/**
|
|
* @return boolean
|
|
*/
|
|
public function canIncludeInGoogleSitemap()
|
|
{
|
|
|
|
// Check that parent page is published
|
|
if (!$this->owner->hasPublishedParent()) {
|
|
return false;
|
|
}
|
|
|
|
$result = parent::canIncludeInGoogleSitemap();
|
|
$result = ($this->owner instanceof ErrorPage) ? false : $result;
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* @return mixed
|
|
*/
|
|
public function getGooglePriority()
|
|
{
|
|
setlocale(LC_ALL, "en_US.UTF8");
|
|
$priority = $this->owner->getField('Priority');
|
|
|
|
if (!$priority) {
|
|
$parentStack = $this->owner->getAncestors();
|
|
$numParents = is_array($parentStack) ? count($parentStack) - 1 : 0;
|
|
|
|
$num = max(0.1, 1.0 - ($numParents / 10));
|
|
$result = str_replace(",", ".", $num);
|
|
|
|
return $result;
|
|
} elseif ($priority == -1) {
|
|
return false;
|
|
} else {
|
|
return (is_numeric($priority) && $priority <= 1.0) ? $priority : 0.5;
|
|
}
|
|
}
|
|
}
|