PixlrEditor/ProcessPixlrEditor.module at master · PawelGIX/PixlrEditor · GitHub

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<?php
/**
 * Process Page for PixlrEditor Module
 *
 * ProcessWire 2.x
 * Copyright (C) 2012 Paweł Gruchociak
 * Licensed under GNU/GPL v2
 *
 * http://www.processwire.com
 * http://www.ryancramer.com
 *
 */
class ProcessPixlrEditor extends Process implements Module  {

	public static function getModuleInfo() {
		return array(
			'title' => 'Pixlr Image Processing',
			'summary' => 'Process images edited in Pixlr',
			'href' => 'http://pixlr.com',
			'version' => 106,
			'permanent' => false,
			'autoload' => false,
			'singular' => true,
			'permission' => "page-edit",
            'requires' => 'PixlrEditor'
		);
	}


	public function __construct() {
		$p = $this->pages->get('has_parent=3, name=pixlr-image-process, include=all');
		if( $p->id && $p->isHidden() === false ){
			$p->addStatus(Page::statusHidden);
			$p->save();
		}
	}


	public function ___execute() {
		$out = '';


        if($this->input->get('exit'))
        {
            // close overlay
            return '<script> window.parent.PixlrEditor.closeOverlay(); </script>';
        }


                //return $out;
		$this->setFuel('processHeadline', 'Preview');


		$image_url = $this->input->get->image; // url to image file on pixlr.com
		$image_id = (int) $this->input->get->image_id;
		$page_id  = (int) $this->input->get->page_id;
		$filename = $this->input->get->filename; // basename
		$field    = $this->input->get->field; // field name eg 'images'
		$prefix    = $this->input->get->prefix; // thumb prefix


                /* @var $page Page */
		$page = wire('pages')->get($page_id);


        if( !$page->id )
        {
            throw new WireException( $this->_("Page not found.") );
        }

        // Is there field...
        if( !$field && $page->template->fieldgroup->getField($field,false) !=null )
        {
            throw new WireException( sprintf( $this->_("Field %s not found."), $field) );
        }

        // and proper image URL...
		if ( !$image_url || !preg_match('/^http:\/\/[a-z0-9]+.pixlr.com/i', $image_url)) {
			throw new WireException( sprintf( $this->_("Image file: %s not found or wrong hostname."), $image_url) );
		} else {
                // then let's replace images.

                /* @var $old_img FieldtypeImage */
                if ( !$old_img = $page->get($field)->get("$filename") ) // find image
                {
                	throw new WireException( sprintf( $this->_("Image file: %s not found in %s."), $filename, $field) );
                }


              	// check if it's a thumbnail
            	if ($prefix && $url = $old_img->getThumb($prefix))
            	{
                	$thumb_path = wire('config')->paths->root . str_replace(wire('config')->urls->root, '', $url);
                	file_put_contents($thumb_path, file_get_contents($image_url) );

                    // show new image to user.
                    $href = $url ;
            	}
                else // if $old_img
                {

                    file_put_contents($old_img->filename, file_get_contents($image_url)); // replace image

                    // if ( ! $old_img->thumbnail ) $old_img->removeVariations(); // clear variations
                    $old_img->removeVariations(); // clear variations

                    // show new image to user.
                    $href = $old_img->url ;

                }

                $out = '<img src="'. $href .'?'. time() .'" style="max-height:95%;max-width:95%;display:block;margin:auto;" alt="" />';


		}


		return $out;
	}


	public function ___install() {
		parent::___install();

		//$this->modules->get('InputfieldCheckboxes');

		$p = new Page();
		$p->template = $this->templates->get("admin");
		$p->parent = wire('pages')->get(3); // /admin/pages
		$p->title = 'Pixlr Image Process';
		$p->name = 'pixlr-image-process';
		$p->process = $this;
		$p->addStatus(Page::statusHidden);
		$p->save();
	}


	public function ___uninstall() {
		parent::___uninstall();

		$p = $this->pages->get('has_parent=3, name=pixlr-image-process, include=all');
		if ($p->id) $p->delete();

		$p = $this->permissions->get('pixlr-image-process');
		if ($p->id) $p->delete();
	}


}