119 lines
2.9 KiB
PHP
119 lines
2.9 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: tony
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* Date: 6/24/18
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* Time: 1:46 AM
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*/
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namespace Site\Extensions;
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use Dynamic\Elements\Image\Elements\ElementImage;
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use Sheadawson\Linkable\Forms\LinkField;
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use Sheadawson\Linkable\Models\Link;
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use SilverStripe\Core\Config\Config;
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use SilverStripe\Forms\CheckboxField;
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use SilverStripe\Forms\DropdownField;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\ORM\DataExtension;
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class ElementImageWidget extends DataExtension
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{
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private static $available_heights = [
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'300' => 'Small (300px)',
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'400' => 'Medium (400px)',
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'600' => 'Big (600px)',
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];
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private static $db = [
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'Resize' => 'Boolean(1)',
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'ImageHeight' => 'Float',
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'Content' => 'HTMLText',
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];
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private static $has_one = [
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'ImageLink' => Link::class,
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];
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public function updateCMSFields(FieldList $fields)
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{
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parent::updateCMSFields($fields);
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$fields->insertBefore(
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'Image',
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LinkField::create('ImageLinkID', 'Link')
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);
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$this->owner->ImageHeight = $this->getHeight();
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$heights = Config::inst()->get(__CLASS__, 'available_heights');
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$fields->replaceField('Resize', CheckboxField::create(
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'Resize',
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'Would you like to scale image?'
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));
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if (count($heights)) {
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$fields->replaceField(
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'ImageHeight',
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DropdownField::create(
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'ImageHeight',
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'Image Height',
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$heights,
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$this->getHeight()
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)
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->setEmptyString('(unspecified)')
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->displayIf('Resize')->isChecked()->end()
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);
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} else {
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$fields->dataFieldByName('ImageHeight')
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->setValue($this->getHeight());
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}
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}
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public function ImageResized()
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{
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$image = $this->owner->Image();
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if (!$this->owner->Resize) {
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return $image;
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}
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$width = $this->getWidth();
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$height = $this->getHeight();
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if (!$width || $width === 'auto') {
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return $height > 0
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? $image->ScaleHeight($height)
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: $image;
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}
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return $height > 0
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? $image->Fill($width, $height)
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: $image->ScaleWidth($width);
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}
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public function getWidth()
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{
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return $this->owner->getColumnWidthRecursive();
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}
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public function getHeight()
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{
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$height = $this->owner->getField('ImageHeight');
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if ($height > 0) {
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return $height;
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}
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$sibling = $this->owner->getSibling(false, [
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'ImageHeight:GreaterThan' => '0'
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]);
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if ($sibling && $sibling->getField('ImageHeight')) {
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return $sibling->getField('ImageHeight');
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}
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return 0;
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}
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}
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