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File: engine/modules/core/image/image.qtags.inc

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File: engine/modules/core/image/image.qtags.inc
Role: Example script
Content type: text/plain
Description: Example script
Class: Quanta CMS
Manage content that works without a database
Author: By
Last change:
Date: 3 years ago
Size: 4,109 bytes
 

Contents

Class file image Download
<?php
/**
 * Implements IMG qtag.
 *
 * Renders an image.
 *
 * @param Environment $env
 * The Environment.
 *
 * @param string $target
 * The qtag's target.
 *
 * @param array $attributes
 * The qtag's attributes.
 *
 * @return string
 * The rendered qtag.
 */
function qtag_IMG($env, $target, $attributes) {
 
$node = NodeFactory::current($env);
 
$image = new Image($env, $target, $node);
 
$image->loadAttributes($attributes);
  return
$image->render();
}

/**
 * Implements THUMBNAIL qtag.
 *
 * Renders the thumbnail image of a node.
 *
 * @param Environment $env
 * The Environment.
 *
 * @param string $target
 * The qtag's target.
 *
 * @param array $attributes
 * The qtag's attributes.
 *
 * @return string
 * The rendered qtag.
 */
function qtag_THUMBNAIL($env, $target, $attributes) {
 
$node = empty($target) ? NodeFactory::current($env) : NodeFactory::load($env, $target);
 
$attributes['link'] = $node->getName();
   
$attributes['node'] = $node->getName();
    return
qtag_IMGTHUMB($env, $node->getThumbnail(), $attributes);
}

/**
 * Implements IMGTHUMB qtag.
 *
 * Create a thumbnail / edited version of an image on the fly.
 *
 * @param Environment $env
 * The Environment.
 *
 * @param string $target
 * The qtag's target.
 *
 * @param array $attributes
 * The qtag's attributes.
 *
 * @return string
 * The rendered qtag.
 */
function qtag_IMGTHUMB($env, $target, $attributes) {

 
// TODO: redesign using some html wrapping function.
 
$node = isset($attributes['node']) ? NodeFactory::load($env, $attributes['node']) : NodeFactory::current($env);

 
// Load the image.
 
$image = new Image($env, $target, $node);
 
$image->loadAttributes($attributes);
 
// Setup tooltip.
 
$tooltip = isset($attributes['tooltip']) ? (' data-tooltip="' . $attributes['tooltip'] . '"') : NULL;

 
// Setup compression level (JPEG / PNG).
 
$compression = isset($attributes['compression']) ? $attributes['compression'] : 60;

 
// Setup fallback image.
 
$fallback = isset($attributes['fallback']) ? $attributes['fallback'] : NULL;

   
    if (isset(
$attributes['alt'])) {
     
$alt = $attributes['alt'];
    }
    else {
   
$split_target = explode('.', $target);
   
$alt = str_replace('-', ' ', $split_target[0]);
    }
 
// Setup alt for the image.

  // Setup title for the image link (if present).
 
$link_title = isset($attributes['link_title']) ? $attributes['link_title'] : NULL;

 
// Setup operations to run on the image.
 
$op = isset($attributes['operation']) ? $attributes['operation'] : 'scale';

   
$filearr = explode('/', $target);
   
$filename = $filearr[count($filearr) - 1];

   
// Generate the thumbnail of the requested image.
 
$newthumbfile = $image->generateThumbnail($env, $image->width, $image->height, $op, $compression, $fallback);

 
// TODO: stupid way to get to the tmp folder...
 
$src = '/thumbs/' . $newthumbfile;

 
// Generate the image's url.
 
if (isset($attributes['url'])) {
   
$thumb = $src;
  }
  else {
   
// Generate the HTML of the thumbnail.
   
$thumb = '<img width="' . $image->width . '" height="' . $image->height . '" alt="' . $alt . '" class="image ' . (isset($attributes['class']) ? $attributes['class'] : '') . '" ' . $tooltip . ' src="' . $src . '" />';
  }

 
// If a link is set, wrap the image in the link.
 
if (isset($attributes['link'])) {
   
$link = empty($attributes['link']) ? ($node->name . '/' . $target) : $attributes['link'];
   
$thumb = '<a ' .
      (empty(
$link_title) ? '' : ('title="' . $link_title . '"')) .
     
'class="linked-image ' . (isset($attributes['class']) ? ('linked-image-' . $attributes['class']) : '') . '"' .

   
' href="/' . $link . '">' . $thumb . '</a>';
  }

  return
$thumb;
}

/**
 * Implements IMGTHUMBURL qtag.
 *
 * Returns the url of an IMGTHUMB.
 *
 * @param Environment $env
 * The Environment.
 *
 * @param string $target
 * The qtag's target.
 *
 * @param array $attributes
 * The qtag's attributes.
 *
 * @return string
 * The rendered qtag.
 */
function qtag_IMGTHUMBURL($env, $target, $attributes) {
 
$attributes['url'] = TRUE;
  return
qtag_IMGTHUMB($env, $target, $attributes);
}

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