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<?php
/**
* @version $Id: helper.php 30 2015-11-04 11:15:22Z szymon $
* @package DJ-ImageSlider
* @subpackage DJ-ImageSlider Component
* @copyright Copyright (C) 2012 DJ-Extensions.com, All rights reserved.
* @license http://www.gnu.org/licenses GNU/GPL
* @author url: http://dj-extensions.com
* @author email contact@dj-extensions.com
* @developer Szymon Woronowski - szymon.woronowski@design-joomla.eu
*
*
* DJ-ImageSlider is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DJ-ImageSlider is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DJ-ImageSlider. If not, see <http://www.gnu.org/licenses/>.
*
*/
// no direct access
defined('_JEXEC') or die ('Restricted access');
class modDJImageSliderHelper
{
static function getImagesFromFolder(&$params) {
if(!is_numeric($max = $params->get('max_images'))) $max = 20;
$folder = $params->get('image_folder');
if(!$dir = @opendir($folder)) return null;
while (false !== ($file = readdir($dir)))
{
if (preg_match('/.+\.(jpg|jpeg|gif|png)$/i', $file)) {
// check with getimagesize() which attempts to return the image mime-type
if(getimagesize(JPATH_ROOT.DS.$folder.DS.$file)!==FALSE) $files[] = $file;
}
}
closedir($dir);
if($params->get('sort_by')) natcasesort($files);
else shuffle($files);
$images = array_slice($files, 0, $max);
$target = modDJImageSliderHelper::getSlideTarget($params->get('link'));
foreach($images as $image) {
$slides[] = (object) array('title'=>'', 'description'=>'', 'image'=>$folder.'/'.$image, 'link'=>$params->get('link'), 'alt'=>$image, 'target'=>$target);
}
return $slides;
}
static function getImagesFromDJImageSlider(&$params) {
if(!is_numeric($max = $params->get('max_images'))) $max = 20;
$catid = $params->get('category',0);
// build query to get slides
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$query->select('a.*');
$query->from('#__djimageslider AS a');
if (is_numeric($catid)) {
$query->where('a.catid = ' . (int) $catid);
}
// Filter by start and end dates.
$nullDate = $db->Quote($db->getNullDate());
$nowDate = $db->Quote(JFactory::getDate()->format($db->getDateFormat()));
$query->where('a.published = 1');
$query->where('(a.publish_up = '.$nullDate.' OR a.publish_up <= '.$nowDate.')');
$query->where('(a.publish_down = '.$nullDate.' OR a.publish_down >= '.$nowDate.')');
if($params->get('sort_by',1)) {
$query->order('a.ordering ASC');
} else {
$query->order('RAND()');
}
$db->setQuery($query, 0 , $max);
$slides = $db->loadObjectList();
foreach($slides as $slide){
$slide->params = new JRegistry($slide->params);
$slide->link = modDJImageSliderHelper::getSlideLink($slide);
$slide->description = modDJImageSliderHelper::getSlideDescription($slide, $params->get('limit_desc'));
$slide->alt = $slide->title;
$slide->target = $slide->params->get('link_target','');
if(empty($slide->target)) $slide->target = modDJImageSliderHelper::getSlideTarget($slide->link);
}
return $slides;
}
static function getSlideLink(&$slide) {
$link = '';
$db = JFactory::getDBO();
$app = JFactory::getApplication();
switch($slide->params->get('link_type', '')) {
case 'menu':
if ($menuid = $slide->params->get('link_menu',0)) {
$menu = $app->getMenu();
$menuitem = $menu->getItem($menuid);
if($menuitem) switch($menuitem->type) {
case 'component':
$link = JRoute::_($menuitem->link.'&Itemid='.$menuid);
break;
case 'url':
case 'alias':
$link = JRoute::_($menuitem->link);
break;
}
}
break;
case 'url':
if($itemurl = $slide->params->get('link_url',0)) {
$link = JRoute::_($itemurl);
}
break;
case 'article':
if ($artid = $slide->params->get('id',$slide->params->get('link_article',0))) {
jimport('joomla.application.component.model');
require_once(JPATH_BASE.DS.'components'.DS.'com_content'.DS.'helpers'.DS.'route.php');
JModelLegacy::addIncludePath(JPATH_BASE.DS.'components'.DS.'com_content'.DS.'models');
$model = JModelLegacy::getInstance('Articles', 'ContentModel', array('ignore_request'=>true));
$model->setState('params', $app->getParams());
$model->setState('filter.article_id', $artid);
$model->setState('filter.article_id.include', true); // Include
$items = $model->getItems();
if($items && $item = $items[0]) {
$item->slug = $item->alias ? ($item->id . ':' . $item->alias) : $item->id;
$link = JRoute::_(ContentHelperRoute::getArticleRoute($item->slug, $item->catid));
$slide->introtext = $item->introtext;
}
}
break;
}
return $link;
}
static function getSlideDescription($slide, $limit) {
$sparams = new JRegistry($slide->params);
if($sparams->get('link_type','')=='article' && empty($slide->description)){ // if article and no description then get introtext as description
if(isset($slide->introtext)) $slide->description = $slide->introtext;
}
$desc = strip_tags($slide->description);
if($limit && $limit - strlen($desc) < 0) {
// don't cut in the middle of the word unless it's longer than 20 chars
if($pos = strpos($desc, ' ', $limit)) $limit = ($pos - $limit > 20) ? $limit : $pos;
// cut text and add dots
$desc = mb_substr($desc, 0, $limit);
if(preg_match('/[a-zA-Z0-9]$/', $desc)) $desc.='…';
$desc = '<p>'.nl2br($desc).'</p>';
} else { // no limit or limit greater than description
$desc = $slide->description;
}
return $desc;
}
private function truncateDescription($text, $limit) {
$text = preg_replace('/{djmedia\s*(\d*)}/i', '', $text);
$desc = strip_tags($text);
if($limit - strlen($desc) < 0) {
// don't cut in the middle of the word unless it's longer than 20 chars
if($pos = strpos($desc, ' ', $limit)) $limit = ($pos - $limit > 20) ? $limit : $pos;
// cut text and add dots
$desc = mb_substr($desc, 0, $limit);
if(preg_match('/[a-zA-Z0-9]$/', $desc)) $desc.='…';
$desc = '<p>'.nl2br($desc).'</p>';
} else { // no limit or limit greater than description
$desc = $text;
}
return $desc;
}
static function getAnimationOptions(&$params) {
$transition = $params->get('effect');
$easing = $params->get('effect_type');
if(!is_numeric($duration = $params->get('duration'))) $duration = 0;
if(!is_numeric($delay = $params->get('delay'))) $delay = 3000;
$autoplay = $params->get('autoplay');
if($params->get('slider_type')==2 && !$duration) {
$transition = 'Sine';
$easing = 'easeInOut';
$duration = 400;
} else switch($transition){
case 'Linear':
$easing = '';
$transition = 'linear';
if(!$duration) $duration = 400;
break;
case 'Back':
if(!$easing) $easing = 'easeIn';
if(!$duration) $duration = 400;
break;
case 'Bounce':
if(!$easing) $easing = 'easeOut';
if(!$duration) $duration = 800;
break;
case 'Elastic':
if(!$easing) $easing = 'easeOut';
if(!$duration) $duration = 1000;
break;
default:
if(!$easing) $easing = 'easeInOut';
if(!$duration) $duration = 400;
}
// add transition duration to delay
$delay = $delay + $duration;
$css3transition = $params->get('css3') ? modDJImageSliderHelper::getCSS3Transition($transition, $easing) : '';
if (version_compare(JVERSION, '3.0.0', '<')) { // Joomla!2.5 - Mootools
if($transition=='ease') $transition = 'Sine';
$transition = $transition.(!empty($easing) ? '.'.$easing : '');
$transition = modDJImageSliderHelper::getMooTransition($transition);
} else { // Joomla!3 - jQuery
if($transition=='ease') {
$transition = 'swing';
$easing = '';
}
$transition = $easing.$transition;
}
$options = json_encode(array('auto' => $autoplay, 'transition' => $transition, 'css3transition' => $css3transition, 'duration' => $duration, 'delay' => $delay));
return $options;
}
static function getMooTransition($transition) {
$parts = explode('.', $transition);
$easing = '';
if(isset($parts[1])) {
switch($parts[1]) {
case 'easeIn': $easing = ':in'; break;
case 'easeOut': $easing = ':out'; break;
default: $easing = ':in:out'; break;
}
}
return strtolower($parts[0]).$easing;
}
static function getCSS3Transition($transition, $easing) {
switch($easing) {
case '': return 'linear';
case 'easeInOut':
switch($transition) {
case 'Quad': return 'cubic-bezier(0.455, 0.030, 0.515, 0.955)';
case 'Cubic': return 'cubic-bezier(0.645, 0.045, 0.355, 1.000)';
case 'Quart': return 'cubic-bezier(0.645, 0.045, 0.355, 1.000)';
case 'Quint': return 'cubic-bezier(0.860, 0.000, 0.070, 1.000)';
case 'Sine': return 'cubic-bezier(0.445, 0.050, 0.550, 0.950)';
case 'Expo': return 'cubic-bezier(1.000, 0.000, 0.000, 1.000)';
case 'Circ': return 'cubic-bezier(0.785, 0.135, 0.150, 0.860)';
case 'Back': return 'cubic-bezier(0.680, -0.550, 0.265, 1.550)';
default: return 'ease-in-out';
}
case 'easeOut':
switch($transition) {
case 'Quad': return 'cubic-bezier(0.250, 0.460, 0.450, 0.940)';
case 'Cubic': return 'cubic-bezier(0.215, 0.610, 0.355, 1.000)';
case 'Quart': return 'cubic-bezier(0.165, 0.840, 0.440, 1.000)';
case 'Quint': return 'cubic-bezier(0.230, 1.000, 0.320, 1.000)';
case 'Sine': return 'cubic-bezier(0.390, 0.575, 0.565, 1.000)';
case 'Expo': return 'cubic-bezier(0.190, 1.000, 0.220, 1.000)';
case 'Circ': return 'cubic-bezier(0.075, 0.820, 0.165, 1.000)';
case 'Back': return 'cubic-bezier(0.175, 0.885, 0.320, 1.275)';
default: return 'ease-out';
}
case 'easeIn':
switch($transition) {
case 'Quad': return 'cubic-bezier(0.550, 0.085, 0.680, 0.530)';
case 'Cubic': return 'cubic-bezier(0.550, 0.055, 0.675, 0.190)';
case 'Quart': return 'cubic-bezier(0.895, 0.030, 0.685, 0.220)';
case 'Quint': return 'cubic-bezier(0.755, 0.050, 0.855, 0.060)';
case 'Sine': return 'cubic-bezier(0.470, 0.000, 0.745, 0.715)';
case 'Expo': return 'cubic-bezier(0.950, 0.050, 0.795, 0.035)';
case 'Circ': return 'cubic-bezier(0.600, 0.040, 0.980, 0.335)';
case 'Back': return 'cubic-bezier(0.600, -0.280, 0.735, 0.045)';
default: return 'ease-in';
}
default: return 'ease';
}
}
static function getSlideTarget($link) {
if(preg_match("/^http/",$link) && !preg_match("/^".str_replace(array('/','.','-'), array('\/','\.','\-'),JURI::base())."/",$link)) {
$target = '_blank';
} else {
$target = '_self';
}
return $target;
}
static function getNavigation(&$params, &$mid) {
$prev = $params->get('left_arrow');
$next = $params->get('right_arrow');
$play = $params->get('play_button');
$pause = $params->get('pause_button');
$theme = $params->set('theme', 'default');
if($params->get('slider_type')==1) {
if(empty($prev) || !file_exists(JPATH_ROOT.DS.$prev)) $prev = 'modules/mod_djimageslider/themes/'.$theme.'/images/up.png';
if(empty($next) || !file_exists(JPATH_ROOT.DS.$next)) $next = 'modules/mod_djimageslider/themes/'.$theme.'/images/down.png';
} else {
if(empty($prev) || !file_exists(JPATH_ROOT.DS.$prev)) $prev = 'modules/mod_djimageslider/themes/'.$theme.'/images/prev.png';
if(empty($next) || !file_exists(JPATH_ROOT.DS.$next)) $next = 'modules/mod_djimageslider/themes/'.$theme.'/images/next.png';
}
if(empty($play) || !file_exists(JPATH_ROOT.DS.$play)) $play = 'modules/mod_djimageslider/themes/'.$theme.'/images/play.png';
if(empty($pause) || !file_exists(JPATH_ROOT.DS.$pause)) $pause = 'modules/mod_djimageslider/themes/'.$theme.'/images/pause.png';
$navi = (object) array('prev'=>$prev,'next'=>$next,'play'=>$play,'pause'=>$pause);
return $navi;
}
static function getStyles($params) {
if(!is_numeric($slide_width = $params->get('image_width'))) $slide_width = 240;
if(!is_numeric($slide_height = $params->get('image_height'))) $slide_height = 160;
if(!is_numeric($max = $params->get('max_images'))) $max = 20;
if(!is_numeric($count = $params->get('visible_images'))) $count = 2;
if(!is_numeric($spacing = $params->get('space_between_images'))) $spacing = 0;
if($count<1) $count = 1;
if($count>$max) $count = $max;
if(!is_numeric($desc_width = $params->get('desc_width')) || $desc_width > $slide_width) $desc_width = $slide_width;
if(!is_numeric($desc_bottom = $params->get('desc_bottom'))) $desc_bottom = 0;
if(!is_numeric($desc_left = $params->get('desc_horizontal'))) $desc_left = 0;
if(!is_numeric($arrows_top = $params->get('arrows_top'))) $arrows_top = 100;
if(!is_numeric($arrows_horizontal = $params->get('arrows_horizontal'))) $arrows_horizontal = 5;
switch($params->get('slider_type')){
case 2:
$slider_width = $slide_width;
$slider_height = $slide_height;
$image_width = 'width: 100%';
$image_height = 'height: auto';
$padding_right = 0;
$padding_bottom = 0;
break;
case 1:
$slider_width = $slide_width;
$slider_height = $slide_height * $count + $spacing * ($count - 1);
$image_width = 'width: auto';
$image_height = 'height: 100%';
$padding_right = 0;
$padding_bottom = $spacing;
break;
case 0:
default:
$slider_width = $slide_width * $count + $spacing * ($count - 1);
$slider_height = $slide_height;
$image_width = 'width: 100%';
$image_height = 'height: auto';
$padding_right = $spacing;
$padding_bottom = 0;
break;
}
$desc_width = (($desc_width / $slide_width) * 100);
$desc_left = (($desc_left / $slide_width) * 100);
$desc_bottom = (($desc_bottom / $slide_height) * 100);
$arrows_top = (($arrows_top / $slider_height) * 100);
if($params->get('fit_to')==1) {
$image_width = 'width: 100%';
$image_height = 'height: auto';
} else if($params->get('fit_to')==2) {
$image_width = 'width: auto';
$image_height = 'height: 100%';
}
$style = array();
$style['slider'] = 'height: '.$slider_height.'px; width: '.$slider_width.'px;';
if(!$params->get('full_width', 0)) $style['slider'].= ' max-width: '.$slider_width.'px;';
$style['image'] = $image_width.'; '.$image_height.';';
$style['navi'] = 'top: '.$arrows_top.'%; margin: 0 '.$arrows_horizontal.'px;';
$style['desc'] = 'bottom: '.$desc_bottom.'%; left: '.$desc_left.'%; width: '.$desc_width.'%;';
if($params->get('direction') == 'rtl') {
$style['slide'] = 'margin: 0 0 '.$padding_bottom.'px '.$padding_right.'px !important; height: '.$slide_height.'px; width: '.$slide_width.'px;';
} else {
$style['slide'] = 'margin: 0 '.$padding_right.'px '.$padding_bottom.'px 0 !important; height: '.$slide_height.'px; width: '.$slide_width.'px;';
}
return $style;
}
}
Zerion Mini Shell 1.0