AphrontFormCropControl.php
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	<?php

	final class AphrontFormCropControl extends AphrontFormControl {

	private $width = 50;
	private $height = 50;

	public function setHeight($height) {
	$this->height = $height;
	return $this;
	}
	public function getHeight() {
	return $this->height;
	}

	public function setWidth($width) {
	$this->width = $width;
	return $this;
	}
	public function getWidth() {
	return $this->width;
	}

	protected function getCustomControlClass() {
	return 'aphront-form-crop';
	}

	protected function renderInput() {
	$file = $this->getValue();

	if ($file === null) {
	return phutil_render_tag(
	'img',
	array(
	'src' => PhabricatorUser::getDefaultProfileImageURI()
	),
	''
	);
	}

	$c_id = celerity_generate_unique_node_id();
	$metadata = $file->getMetadata();
	$scale = PhabricatorImageTransformer::getScaleForCrop(
	$file,
	$this->getWidth(),
	$this->getHeight()
	);

	Javelin::initBehavior(
	'aphront-crop',
	array(
	'cropBoxID' => $c_id,
	'width' => $this->getWidth(),
	'height' => $this->getHeight(),
	'scale' => $scale,
	'imageH' => $metadata[PhabricatorFile::METADATA_IMAGE_HEIGHT],
	'imageW' => $metadata[PhabricatorFile::METADATA_IMAGE_WIDTH],
	)
	);

	return javelin_render_tag(
	'div',
	array(
	'id' => $c_id,
	'sigil' => 'crop-box',
	'mustcapture' => true,
	'class' => 'crop-box'
	),
	javelin_render_tag(
	'img',
	array(
	'src' => $file->getBestURI(),
	'class' => 'crop-image',
	'sigil' => 'crop-image'
	),
	''
	).
	javelin_render_tag(
	'input',
	array(
	'type' => 'hidden',
	'name' => 'image_x',
	'sigil' => 'crop-x',
	),
	''
	).
	javelin_render_tag(
	'input',
	array(
	'type' => 'hidden',
	'name' => 'image_y',
	'sigil' => 'crop-y',
	),
	''
	)
	);
	}

	}