SilverStripe\ElementalBlocks\Form\BlockLinkField

Complexity

Total Complexity

14

Size/Duplication

Total Lines	138
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	1

11 Methods

Rating	Name	Duplication	Size	Complexity
A	setValue()	0	4	1
A	getParsedValue()	0	8	2
A	getLinkDefined()	0	3	1
A	Type()	0	3	1
A	getLinkDescription()	0	3	1
A	getLinkText()	0	3	1
A	setShowLinkText()	0	7	1
A	getShowLinkText()	0	3	1
A	getLinkTargetBlank()	0	3	1
A	getLinkRelativeUrl()	0	5	2
A	getLinkPage()	0	8	2

<?php

namespace SilverStripe\ElementalBlocks\Form;

use SilverStripe\CMS\Model\SiteTree;
use SilverStripe\Core\Convert;
use SilverStripe\Forms\FormField;
use SilverStripe\ORM\DataObject;
use SilverStripe\View\ArrayData;

class BlockLinkField extends FormField
{
    /**
     * Cache for parsed value
     *
     * @var ArrayData
     */
    protected $parsedValue;

    /**
     * Whether to show the "link text" field
     *
     * @var bool
     */
    protected $showLinkText = true;

    public function Type()
    {
        return 'blocklinkfield';
    }

    /**
     * Reset the cached parsed value when setting a new value
     *
     * {@inheritDoc}
     */
    public function setValue($value, $data = null)
    {
        $this->parsedValue = null;
        return parent::setValue($value, $data);
    }

    /**
     * Return a parsed {@link ArrayData} object from the contents of the JSON value. Will
     * be cached for future use, and the cache will be reset via setValue each time.
     *
     * @return ArrayData
     */
    public function getParsedValue()
    {
        if ($this->parsedValue) {
            return $this->parsedValue;
        }

        $parsedValue = Convert::json2array($this->dataValue());
        return $this->parsedValue = ArrayData::create((array) $parsedValue);
    }

    /**
     * Get whether a {@link SiteTree} link has been defined on this link field
     *
     * @return bool
     */
    public function getLinkDefined()
    {
        return (bool) $this->getParsedValue()->PageID;
    }

    /**
     * Get the linked {@link SiteTree} object, if available
     *
     * @return SiteTree|null
     */
    public function getLinkPage()
    {
        $pageId = (int) $this->getParsedValue()->PageID;
        if (!$pageId) {
            return null;
        }

        return DataObject::get_by_id(SiteTree::class, $pageId);
    }

    /**
     * Get the relative URL for the linked {@link SiteTree} object, with a leading slash
     *
     * @return string
     */
    public function getLinkRelativeUrl()
    {
        $page = $this->getLinkPage();

        return $page ? '/' . ltrim($page->URLSegment, '/') : '';
    }

    /**
     * Get the link text/title
     *
     * @return string
     */
    public function getLinkText()
    {
        return trim($this->getParsedValue()->Text);
    }

    /**
     * Get the link "description", used for titles or alt text
     *
     * @return string
     */
    public function getLinkDescription()
    {
        return $this->getParsedValue()->Description;
    }

    /**
     * Get whether to open the link in a new window
     *
     * @return bool
     */
    public function getLinkTargetBlank()
    {
        return (bool) $this->getParsedValue()->TargetBlank;
    }

    /**
     * Set whether to display the link text field
     *
     * @param bool $showLinkText
     * @return $this
     */
    public function setShowLinkText($showLinkText)
    {
        $this->showLinkText = (bool) $showLinkText;

        $this->setAttribute('data-showlinktext', (int) $this->showLinkText);

        return $this;
    }

    /**
     * Get whether to display the link text field
     *
     * @return bool
     */
    public function getShowLinkText()
    {
        return $this->showLinkText;
    }
}