<?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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