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Manuální renderování chyb -- inline

Nette-Forms

Manuall form rendering #


{form $form}
<ul class=error n:if="$form->ownErrors">
<li n:foreach="$form->ownErrors as $error">{$error}</li>
</ul>
<table>
<tr n:foreach="$form->controls as $input" n:class="$input->required ? required">
<th>{label $input /}</th>
<td>{input $input} <span class=error n:ifcontent>{$input->error}</span></td>
</tr>
</table>
{/form}

On gists

Image response - generování obrázků

Nette

ImageResponse.php #

<?php
class ImageResponse extends \Nette\Object implements \Nette\Application\IResponse
{

	/** @var \Nette\Image|string */
	private $image;


	/**
	 * @param \Nette\Image|string
	 */
	public function __construct($image)
	{
		if (!$image instanceof \Nette\Image && !file_exists($image)) {
			throw new \Nette\InvalidArgumentException('Image must be Nette\Image or file path');
		}
		$this->image = $image;
	}


	/**
	 * @param \Nette\Http\IRequest
	 * @param \Nette\Http\IResponse
	 */
	public function send(\Nette\Http\IRequest $httpRequest, \Nette\Http\IResponse $httpResponse)
	{
		if ($this->image instanceof \Nette\Image) {
			$this->image->send();

			return;
		}
		$httpResponse->setContentType(\Nette\Utils\MimeTypeDetector::fromFile($this->image));
		$length = filesize($this->image);
		$handle = fopen($this->image, 'r');

		$httpResponse->setHeader('Content-Length', $length);
		while (!feof($handle)) {
			echo fread($handle, 4e6);
		}
		fclose($handle);
	}
}

On gists

JSONP - hlavičky

PHP

Headers ajax request - no JSONP. #

<?

header("content-type:text/html; charset=utf-8");
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST');
header('Access-Control-Max-Age: 1000');

On gists

Komplexní IP

PHP

Get location by Ip address.php #

<?

function getLocationInfoByIp(){
    $client  = @$_SERVER['HTTP_CLIENT_IP'];
    $forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
    $remote  = @$_SERVER['REMOTE_ADDR'];
    $result  = array('country'=>'', 'city'=>'');
    if(filter_var($client, FILTER_VALIDATE_IP)){
        $ip = $client;
    }elseif(filter_var($forward, FILTER_VALIDATE_IP)){
        $ip = $forward;
    }else{
        $ip = $remote;
    }
    $ip_data = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=".$ip));    
    if($ip_data && $ip_data->geoplugin_countryName != null){
        $result['country'] = $ip_data->geoplugin_countryCode;
        $result['city'] = $ip_data->geoplugin_city;
    }
    return $result;
}

On gists

Zjištění LAT / LNG souřadnic - Google maps

Gmaps

Lat Lng.php #

<?


function getLatLng($address)
    {

        $json    = json_decode(file_get_contents("http://maps.google.com/maps/api/geocode/json?address=$address&sensor=false"));

        $lat     = $json->{'results'}[0]->{'geometry'}->{'location'}->{'lat'};
        $lng    = $json->{'results'}[0]->{'geometry'}->{'location'}->{'lng'};

        return array("lat" => $lat, "lng" => $lng);

    }

On gists

Respond mixin - MQ

SCSS

media-queries-respond.scss #

/*
 @author - Roman Janko, rjwebdesign.cz
 @date - 28.8.2014
*/

@mixin respond($minWidth: false, $maxWidth: false) {
  
  @if $minWidth and $maxWidth 
  {
      @media screen and (min-width: $minWidth) and (max-width: $maxWidth) { @content; }
  }
  
   @else if $minWidth
   {
      @media screen and (min-width: $minWidth) { @content; }
   }
  
   @else if $maxWidth
   {
      @media screen and (max-width: $maxWidth) { @content; }
   }
   @else 
   {
      @warn "error - undefined params";
   }
}

On gists

Download třída - pro starší projekty

PHP

download.php #

<?php 

/**
 * trida pro stazeni souboru
 * tato trida umoznuje stejnou funkcnost jak v IE tak ve firefoxu
 * 
 * @author Dostal Ales
 * @version 1.1
 * @date 13.4.2006
 *
 */
 
class DownloadFile
{

/****************************** METODY TRIDY ******************************/

    /**
     * konstruktor tridy pro stazeni souboru
     * 
     * @param    String        $file        zdroj k souboru, ktery se bude stahovat
     * 
     */
    function ExecuteDL($file)
    {
        // zjisteni, zda soubor existuje
        if (!is_file($file)) { 
            die("<b>404 Soubor neexistuje!</b>"); 
        }
    
        // ziskani informaci o souboru
        $len = filesize($file);
        $filename = basename($file);
        $file_extension = strtolower(substr(strrchr($filename,"."),1));
    
        // nastaveni content-type pro vybrane soubory
        switch( $file_extension ) 
        {
            case "pdf": $ctype="application/pdf"; break;
            case "exe": $ctype="application/octet-stream"; break;
            case "zip": $ctype="application/zip"; break;
            case "doc": $ctype="application/msword"; break;
            case "xls": $ctype="application/vnd.ms-excel"; break;
            case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
            case "gif": $ctype="image/gif"; break;
            case "png": $ctype="image/png"; break;
            case "jpeg":
            case "jpg": $ctype="image/jpg"; break;
            case "mp3": $ctype="audio/mpeg"; break;
            case "wav": $ctype="audio/x-wav"; break;
            case "mpeg":
            case "mpg":
            case "mpe": $ctype="video/mpeg"; break;
            case "mov": $ctype="video/quicktime"; break;
            case "avi": $ctype="video/x-msvideo"; break;
    
            # tyto soubory nemohou byt stazeny
            case "php":
            case "htm":
            case "html":
            case "txt": die("<b>Není možné stahovat ". $file_extension ." soubory!</b>"); 
            break;
    
            default: $ctype="application/force-download";
        }
    
        # odeslani hlavicek
        session_cache_limiter("private"); # v IE nelze stáhnout dokument pres HTTPS
        header("Pragma: public");
        header("Expires: 0");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Cache-Control: public");
        header("Content-Description: File Transfer");
      
        # generuje typ pro content-type
        header("Content-Type: $ctype");
    
        # co stahuji
        $header="Content-Disposition: attachment; filename=".str_replace("./download/", "", $file).";";
        header($header );
        header("Content-Transfer-Encoding: binary");
        header("Content-Length: ".$len);
        readfile($file);
        exit;
        
    } # public function __construct($file)
    
} # class APIDownloadFile

?>

On gists

Ukázková komponenta

Nette-Controls

Open Graph Component.php #

<? 

class OpenGraphControl extends Nette\Application\UI\Control
{

    /** @var Nette\Utils\Html[] */
    private $tags = [];


    public function addOgTag($property, $content)
    {
        $this->tags[] = Nette\Utils\Html::el('meta', [
            'property' => $property,
            'content' => $content,
        ]);
        return $this;
    }


    public function render()
    {
        $el = Nette\Utils\Html::el();

        foreach ($this->tags as $tag) {
            $el->add($tag);
        }

        echo $el;
    }

}

$this['openGraph']->addOgTag('og:video', 'http://www.youtube.com/watch?v=' . $this->content->url);

On gists

Psaní do obrázků - PHP

Nette

drawingIntoImage.php #

<?php
 

$im = imagecreatefromjpeg("match-trailer.jpg");

$font = 'fonts/calibrib.ttf';  
$fontNormal = 'fonts/calibri.ttf';  


$teams = mb_strtoupper("FC Combix - FC Bohemians Praha B", 'UTF-8');

$white = ImageColorAllocate($im, 255, 255, 255);   
$orange = ImageColorAllocate($im, 255, 127, 0);
$black = ImageColorAllocate($im, 0, 0, 0);

// Týmy
ImagettfText($im, $fontSize = 34, 0, 30, 80, $white, $font, $teams); 


// Kde
ImagettfText($im, $fontSize = 20, 0, 30, 170, $orange, $font, 'KDY:'); 
ImagettfText($im, $fontSize = 20, 0, 95, 170, $white, $fontNormal, '25.8.2014'); 


// Kde
ImagettfText($im, $fontSize = 20, 0, 30, 220, $orange, $font, 'KDE:'); 
ImagettfText($im, $fontSize = 20, 0, 95, 220, $white, $fontNormal, 'Stadiony Bohemians, Přípotoční 27/a'); 


// Vstupné
ImagettfText($im, $fontSize = 24, 0, 30, 420, $black, $font, 'VSTUPNÉ:'); 
ImagettfText($im, $fontSize = 30, 0, 180, 420, $orange, $font, '60 Kč'); 


// Vystup
imageJpeg($im, "upoutavka.jpg");  
ImageDestroy($im);

 
header('Content-type: image/jpg');
echo $image;

On gists

Youtube parser videa ( get info )

PHP

youtube-parser.php #

<?

//The Youtube's API url
    define('YT_API_URL', 'http://gdata.youtube.com/feeds/api/videos?q=');
     
    //Change below the video id.
    $video_id = '66Wi3isw3NY';
     
    //Using cURL php extension to make the request to youtube API
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, YT_API_URL . $video_id);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    //$feed holds a rss feed xml returned by youtube API
    $feed = curl_exec($ch);
    curl_close($ch);
     
    //Using SimpleXML to parse youtube's feed
    $xml = simplexml_load_string($feed);
     
    $entry = $xml->entry[0];
    //If no entry whas found, then youtube didn't find any video with specified id
    if(!$entry) exit('Error: no video with id "' . $video_id . '" whas found. Please specify the id of a existing video.');
    $media = $entry->children('media', true);
    $group = $media->group;
     
    $title = $group->title;//$title: The video title
    $desc = $group->description;//$desc: The video description
    $vid_keywords = $group->keywords;//$vid_keywords: The video keywords
    $thumb = $group->thumbnail[0];//There are 4 thumbnails, the first one (index 0) is the largest.
    //$thumb_url: the url of the thumbnail. $thumb_width: thumbnail width in pixels.
    //$thumb_height: thumbnail height in pixels. $thumb_time: thumbnail time in the video
    list($thumb_url, $thumb_width, $thumb_height, $thumb_time) = $thumb->attributes();
    $content_attributes = $group->content->attributes();
    //$vid_duration: the duration of the video in seconds. Ex.: 192.
    $vid_duration = $content_attributes['duration'];
    //$duration_formatted: the duration of the video formatted in "mm:ss". Ex.:01:54
    $duration_formatted = str_pad(floor($vid_duration/60), 2, '0', STR_PAD_LEFT) . ':' . str_pad($vid_duration%60, 2, '0', STR_PAD_LEFT);
     
    //echoing the variables for testing purposes:
    echo 'title: ' . $title . '<br />';
    echo 'desc: ' . $desc . '<br />';
    echo 'video keywords: ' . $vid_keywords . '<br />';
    echo 'thumbnail url: ' . $thumb_url . '<br />';
    echo 'thumbnail width: ' . $thumb_width . '<br />';
    echo 'thumbnail height: ' . $thumb_height . '<br />';
    echo 'thumbnail time: ' . $thumb_time . '<br />';
    echo 'video duration: ' . $vid_duration . '<br />';
    echo 'video duration formatted: ' . $duration_formatted;