114 lines
2.5 KiB
PHP
114 lines
2.5 KiB
PHP
<?php
|
|
|
|
namespace SilverStripe\Blog\Widgets;
|
|
|
|
use SilverStripe\Blog\Model\Blog;
|
|
use SilverStripe\Blog\Model\BlogTag;
|
|
use SilverStripe\Forms\DropdownField;
|
|
use SilverStripe\ORM\ArrayList;
|
|
use SilverStripe\View\ArrayData;
|
|
use SilverStripe\Widgets\Model\Widget;
|
|
|
|
if (!class_exists(Widget::class)) {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* @method Blog Blog()
|
|
*/
|
|
class BlogTagsCloudWidget extends Widget
|
|
{
|
|
/**
|
|
* @var string
|
|
*/
|
|
private static $title = 'Tags Cloud';
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
private static $cmsTitle = 'Blog Tags Cloud';
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
private static $description = 'Displays a tag cloud for this blog.';
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private static $db = [];
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private static $has_one = [
|
|
'Blog' => Blog::class,
|
|
];
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
private static $table_name = 'BlogTagsCloudWidget';
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getCMSFields()
|
|
{
|
|
$this->beforeUpdateCMSFields(function ($fields) {
|
|
/*
|
|
* @var FieldList $fields
|
|
*/
|
|
$fields->push(
|
|
DropdownField::create(
|
|
'BlogID',
|
|
_t(__CLASS__ . '.Blog', 'Blog'),
|
|
Blog::get()->map()
|
|
)
|
|
);
|
|
});
|
|
|
|
return parent::getCMSFields();
|
|
}
|
|
|
|
/**
|
|
* @return ArrayList
|
|
*/
|
|
public function getTags()
|
|
{
|
|
// Check blog exists
|
|
$blog = $this->Blog();
|
|
if (!$blog) {
|
|
return ArrayList::create([]);
|
|
}
|
|
|
|
// create ArrayData that can be used to render the tag cloud
|
|
$maxTagCount = 0;
|
|
$tags = ArrayList::create();
|
|
/** @var BlogTag $record */
|
|
foreach ($blog->Tags() as $record) {
|
|
// Remember max count found
|
|
$count = $record->getBlogCount();
|
|
$maxTagCount = $maxTagCount > $count ? $maxTagCount : $count;
|
|
|
|
// Save
|
|
$tags->push(ArrayData::create([
|
|
'TagName' => $record->Title,
|
|
'Link' => $record->getLink(),
|
|
'TagCount' => $count,
|
|
]));
|
|
}
|
|
|
|
// normalize the tag counts from 1 to 10
|
|
if ($maxTagCount) {
|
|
$tagfactor = 10 / $maxTagCount;
|
|
foreach ($tags->getIterator() as $tag) {
|
|
$normalized = round($tagfactor * ($tag->TagCount));
|
|
$tag->NormalizedTag = $normalized;
|
|
}
|
|
}
|
|
|
|
return $tags;
|
|
}
|
|
}
|