88 lines
2.2 KiB
PHP
88 lines
2.2 KiB
PHP
<?php
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/**
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* Decorate the page object to provide google sitemaps with
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* additionally options and configuration.
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*
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* @package googlesitemaps
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*/
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class GoogleSitemapDecorator extends SiteTreeDecorator {
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function extraStatics() {
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return array(
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'db' => array(
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"Priority" => "Float",
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)
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);
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}
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function updateCMSFields(&$fields) {
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$pagePriorities = array(
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'' => _t('SiteTree.PRIORITYAUTOSET','Auto-set based on page depth'),
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'-1' => _t('SiteTree.PRIORITYNOTINDEXED', "Not indexed"), // We set this to -ve one because a blank value implies auto-generation of Priority
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'1.0' => '1 - ' . _t('SiteTree.PRIORITYMOSTIMPORTANT', "Most important"),
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'0.9' => '2',
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'0.8' => '3',
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'0.7' => '4',
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'0.6' => '5',
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'0.5' => '6',
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'0.4' => '7',
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'0.3' => '8',
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'0.2' => '9',
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'0.1' => '10 - ' . _t('SiteTree.PRIORITYLEASTIMPORTANT', "Least important")
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);
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$tabset = $fields->findOrMakeTab('Root.Content');
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$tabset->push(
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$addTab = new Tab(
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'GoogleSitemap',
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_t('SiteTree.TABGOOGLESITEMAP', 'Google Sitemap'),
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new LiteralField(
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"GoogleSitemapIntro",
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"<p>" .
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sprintf(
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_t(
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'SiteTree.METANOTEPRIORITY',
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"Manually specify a Google Sitemaps priority for this page (%s)"
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),
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'<a href="https://www.google.com/webmasters/tools/docs/en/protocol.html#prioritydef">?</a>'
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) .
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"</p>"
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),
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new DropdownField("Priority", $this->owner->fieldLabel('Priority'), $pagePriorities)
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)
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);
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}
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function updateFieldLabels(&$labels) {
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parent::updateFieldLabels($labels);
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$labels['Priority'] = _t('SiteTree.METAPAGEPRIO', "Page Priority");
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}
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function onAfterPublish() {
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GoogleSiteMap::ping();
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}
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function onAfterUnpublish() {
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GoogleSiteMap::ping();
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}
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/**
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* The default value of the priority field depends on the depth of the page in
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* the site tree, so it must be calculated dynamically.
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*/
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function getPriority() {
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if(!$this->owner->getField('Priority')) {
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$parentStack = $this->owner->parentStack();
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$numParents = is_array($parentStack) ? count($parentStack) - 1: 0;
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return max(0.1, 1.0 - ($numParents / 10));
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} elseif($this->owner->getField('Priority') == -1) {
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return 0;
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} else {
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return $this->owner->getField('Priority');
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}
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}
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}
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?>
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