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<?php
/**
* @version $Id$
* @package JSN_PageBuilder
* @author JoomlaShine Team <support@joomlashine.com>
* @copyright Copyright (C) 2012 JoomlaShine.com. All Rights Reserved.
* @license GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
*
* Websites: http://www.joomlashine.com
* Technical Support: Feedback - http://www.joomlashine.com/contact-us/get-support.html
*/
// No direct access to this file.
defined('_JEXEC') || die('Restricted access');
/**
* Helper for JSN PageBuilder
*
* @package JSN_PageBuilder
* @since 1.0.0
*/
class JSNPagebuilderHelpersBuilder
{
/**
* Container for storing shortcode tags and their hook to call for the shortcode
*
* @since 2.5.0
*
* @name $shortcode_tags
* @var array
* @global array $shortcode_tags
*/
static $shortcode_tags = array();
/**
* Generate column template for visual builder
*
* @return string
*/
public function generateElementColumnTemplate()
{
$html[] = '<div id="tmpl-jsn_pagebuilder_layout_column" class="hidden">';
$html[] = $this->getColumnStructure();
$html[] = '</div>';
$html[] = '<div id="tmpl-jsn_pagebuilder_item" class="hidden">';
$html[] = $this->getItemStructure();
$html[] = '</div>';
echo implode("\n", $html);
}
/**
* Generate row template for visual builder
*
* @return string
*/
public function generateElementRowTemplate()
{
$html[] = '<div id="tmpl-jsn_pagebuilder_layout_row" class="hidden">';
$html[] = $this->getRowStructure();
$html[] = '</div>';
echo implode("\n", $html);
}
/**
* Method to get Builder Column HTML structure
*
* @return string column HTML structure
*/
public function getColumnStructure()
{
$col = new JSNPBShortcodeColumn();
$shortcode_data = $col->config['shortcode_structure'];
$shortcode_data = explode("][", $shortcode_data);
$shortcode_data = $shortcode_data[0] . "]";
return '<div class="jsn-column-container clearafter shortcode-container ">
<div class="jsn-column span12">
<div class="thumbnail clearafter">
<textarea name="shortcode_content[]" class="hidden">[' . $col->config['shortcode'] . ' span="span12"]</textarea>
<div class="jsn-column-content item-container" data-column-class="span12" >
<div class="jsn-handle-drag jsn-horizontal jsn-iconbar-trigger">
<div class="jsn-iconbar layout"><a class="item-delete column" onclick="return false;" title="Delete column" href="#"><i class="icon-trash"></i></a>
</div>
</div>
<div class="jsn-element-container item-container-content ui-sortable"></div>
<a class="jsn-add-more pb-more-element" href="javascript:void(0);"><i class="icon-plus"></i>' . JText::_("JSN_PAGEBUILDER_HELPER_BUILDER_ADD_ELEMENT") . '</a>
</div>
<textarea class="hidden" name="shortcode_content[]" >[/' . $col->config['shortcode'] . ']</textarea>
</div>
</div>
</div>';
}
/**
* Method to get Builder Column HTML structure
*
* @return string row HTML structure
*/
public function getRowStructure()
{
$row = new JSNPBShortcodeRow();
$shortcode_data = $row->config['shortcode_structure'];
// remove [/it_row][it_column...] from $shortcode_data
$shortcode_data = explode("][", $shortcode_data);
$shortcode_data = $shortcode_data[0] . "]";
return '<div class="jsn-row-container ui-sortable row-fluid shortcode-container">
<div class="jsn-iconbar left">
<a href="javascript:void(0);" title="Move Up" class="jsn-move-up disabled"><i class="icon-chevron-up"></i></a>
<a href="javascript:void(0);" title="Move Down" class="jsn-move-down disabled"><i class=" icon-chevron-down"></i></a>
</div>
<textarea name="shortcode_content[]" class="hidden">' . $shortcode_data .'</textarea>
<div class="jsn-pb-row-content">
' . self::getColumnStructure() .'
</div>
<div class="jsn-iconbar jsn-vertical">
<a href="javascript:void(0);" class="add-container"><i class="icon-plus"></i></a>
<a href="javascript:void(0);" class="element-edit row" data-shortcode="pb_row"><i class="icon-pencil"></i></a>
<a href="javascript:void(0);" class="item-delete"><i class="icon-trash"></i></a>
</div>
<textarea class="hidden" name="shortcode_content[]" >[/' . $row->config['shortcode'] . ']</textarea>
</div>';
}
/**
* Method to get Builder Item HTML structure
*
* @return string
*/
public function getItemStructure()
{
return '<div class="jsn-item jsn-element ui-state-default jsn-iconbar-trigger" element-id="{element_id}" element-name="{element_name}">
<input type="hidden" name="element_options" class="element_options" value="{element_options}" />
<div class="jsn-pb-element">{element_title}</div>
<div class="jsn-iconbar">
<a class="element-edit" title="' . JText::_("JSN_PAGEBUILDER_HELPER_BUILDER_EDIT_ELEMENT") . '" onclick="return false;" href="#"><i class="icon-pencil"></i></a>
<a class="element-delete" title="' . JText::_("JSN_PAGEBUILDER_HELPER_BUILDER_REMOVE_ELEMENT") . '" onclick="return false;" href="#"><i class="icon-trash"></i></a>
</div>
</div>';
}
/**
* Render the popup to add elements
*
* @return string
*/
public function getAddShortcodesPopup()
{
global $JSNPbElements;
$elements = $JSNPbElements->getElements();
//HTML structure of elements
$elements_html = array();
//list of criteria to sort: All, Typography, Media...
$criterias = array("All");
foreach ($elements as $idx => $element) {
// don't show sub-shortcode
if (!isset($element->config['name']))
continue;
$elements_html[] = $element->element_button($idx + 1);
if (!is_array(@$element->config['cat'])) {
if (!in_array(@$element->config['cat'], $criterias))
$criterias[] = @$element->config['cat'];
}
else {
foreach ($element->config['cat'] as $type) {
if (!in_array($type, $criterias))
$criterias[] = $type;
}
}
}
$html[] = '<div id="pb-add-element" class="pb-add-element add-field-dialog" style="display: none; background-color:#FFFFFF;">
<div class="popover-content">
<div class="jsn-elementselector">
<!-- Elements -->
<ul class="jsn-items-list" style="background-color:#FFFFFF; border:none;">';
foreach ($elements_html as $idx => $element) {
$html[] = $element;
}
$html[] = ' </ul>
</div>
</div>
</div>';
return implode("\n", $html);
}
/**
* Method to transform source text to pagebuilder HTML
*
* @return string
*/
public static function transFormTextToHTML($content = '', $column = false, $refine = false) {
if (empty($content))
return '';
self::$pattern = self::shortcodes_pattern();
$content = trim($content);
if ($refine) {
$row_start = '\[pb_row';
$col_start = '\[pb_column';
$row_end = '\[\/pb_row\]';
$col_end = '\[\/pb_column\]';
$content = preg_replace("/$row_start([^($row_start)|($col_start)]*)$col_start/", "[pb_row][pb_column", $content);
$content = preg_replace("/$col_end([^($row_end)|($col_end)]*)$row_end/", "[/pb_column][/pb_row]", $content);
}
// wrap alone text
$text_nodes = preg_split(self::$pattern, $content, -1, PREG_SPLIT_OFFSET_CAPTURE);
$idx_change = 0;
$content_flag = "X";
$append_ = $column ? "[pb_text]{$content_flag}[/pb_text]" : "[pb_row][pb_column][pb_text]{$content_flag}[/pb_text][/pb_column][/pb_row]";
foreach ($text_nodes as $node) {
if (strlen(trim($node[0])) != 0 && strlen(trim(strip_tags($node[0]))) != 0) {
$offset = intval($node[1]) + $idx_change;
$replace = $node[0];
$replace_html = $replace;
$content = substr_replace($content, str_replace($content_flag, $replace_html, $append_), $offset, strlen($replace));
$idx_change += strlen($append_) - strlen($content_flag) - (strlen($replace) - strlen($replace_html));
}
}
return preg_replace_callback(self::$pattern, array('self', 'do_shortcode_tag'), $content);
}
/**
* Generate shortcode layout in visual pagebuilder
*
* @param string $content
* @param string $column
* @param string $client
*
* @return string
*/
public static function generateShortCode($content, $column = false, $client = 'backend')
{
$helper = new JSNPagebuilderHelpersShortcode();
$content = trim($content);
$content_flag = "X";
$shortcodeTags = $helper::getShortcodeTags();
$pattern = JSNPagebuilderHelpersShortcode::getShortcodeRegex();
if ($client === 'backend') {
$append_ = $column ? "[pb_text]{$content_flag}[/pb_text]" : "[pb_row][pb_column][pb_text]{$content_flag}[/pb_text][/pb_column][/pb_row]";
$content = self::wrapContent("#{$pattern}#", $content, $content_flag, $append_);
return preg_replace_callback("#{$pattern}#", array('self', 'doShortcodeTag'), $content );
}else if ($client == 'frontend_assets'){
$content = self::wrapContent("#{$pattern}#", $content, $content_flag, $content_flag);
return preg_replace_callback("#{$pattern}#", array('self', 'doShortcodeFrontendAssets'), $content );
}else{
$content = self::wrapContent("#{$pattern}#", $content, $content_flag, $content_flag);
return preg_replace_callback("#{$pattern}#", array('self', 'doShortcodeTagFrontend'), $content );
}
}
/**
* Split string by regular expression, then replace nodes by string ([wrapper string]node content[/wrapper string])
*
* @param type $pattern
* @param type $content
* @param type $content_flag
* @param type $append_
*
* @return type string
*/
private static function wrapContent($pattern, $content, $content_flag, $append_){
global $JSNPbElements;
if (!(trim($content))) {
$JSNPbElements->setGeneratedStatus(false);
return '';
}
$nodes = preg_split($pattern, $content, -1, PREG_SPLIT_OFFSET_CAPTURE);
$idx_change = 0;
foreach ($nodes as $node) {
$replace = $node[0];
$empty_str = self::checkEmpty( $content );
if (strlen(trim($replace)) != 0 && strlen(trim($empty_str)) != 0) {
$offset = intval($node[1]) + $idx_change;
$replace_html = $replace;
$content = substr_replace($content, str_replace($content_flag, $replace_html, $append_), $offset, strlen($replace));
$idx_change += strlen($append_) - strlen($content_flag) - (strlen($replace) - strlen($replace_html));
// Set generated shortcode status to false if idx_change was changed
if ($idx_change || !$JSNPbElements->getGeneratedStatus()) {
$JSNPbElements->setGeneratedStatus(false);
}
}
}
return $content;
}
/**
* Check string is empty
*
* @param string $m
*
* @return string
*/
public static function checkEmpty( $content ) {
$empty_str = preg_replace( '/(<p>)+/', '', $content );
$empty_str = preg_replace( '/(<\/p>)+/', '', $content );
$empty_str = str_replace( ' ', '', $content );
return $empty_str;
}
/**
* Excute the shortcode found in source content
* Enter description here ...
*
* @param array $m
*
* @return string
*/
public static function doShortcodeTag($m) {
// allow [[foo]] syntax for escaping a tag
if ($m[1] == '[' && $m[6] == ']') {
return substr($m[0], 1, -1);
}
$tag = $m[2];
$content = isset($m[5]) ? trim($m[5]) : "";
return call_user_func(array('self', 'transformShortcodeToPagebuilder'), $tag, $content, $m[0], $m[3]);
}
/**
* Search content for shortcodes and filter shortcodes through their hooks.
*
* If there are no shortcode tags defined, then the content will be returned
* without any filtering. This might cause issues when plugins are disabled but
* the shortcode will still show up in the post or content.
*
* @since 2.5.0
*
* @uses $shortcode_tags
* @uses get_shortcode_regex() Gets the search pattern for searching shortcodes.
*
* @param string $content Content to search for shortcodes
* @return string Content with shortcodes filtered out.
*/
public static function doShortcode($content) {
// if ( false === strpos( $content, '[' ) ) {
// return $content;
// }
$pattern = JSNPagebuilderHelpersShortcode::getShortcodeRegex();
return preg_replace_callback( "/$pattern/s", 'doShortcodeTag', $content );
}
/**
* Excute the shortcode for frontend
*
* @param array $m
*
* @return string
*/
public static function doShortcodeTagFrontend($m) {
// allow [[foo]] syntax for escaping a tag
if ($m[1] == '[' && $m[6] == ']') {
return substr($m[0], 1, -1);
}
$tag = $m[2];
$content = isset($m[5]) ? trim($m[5]) : "";
return call_user_func(array('self', 'transformShortcodeToPagebuilder'), $tag, $content, $m[0], $m[3], 'frontend');
}
/**
* Method to analyze appeared shortcodes then call
* the frontend assets loading function
*
* @param array $m
*
*/
public static function doShortcodeFrontendAssets($m) {
// allow [[foo]] syntax for escaping a tag
if ($m[1] == '[' && $m[6] == ']') {
return substr($m[0], 1, -1);
}
$tag = $m[2];
$content = isset($m[5]) ? trim($m[5]) : "";
return call_user_func(array('self', 'loadShortcodeFrontendAssets'), $tag);
}
/**
* Method to load all appeared Elements' frontend assets
* Enter description here ...
*/
public function loadShortcodeFrontendAssets($shortcode_name)
{
$class = JSNPagebuilderHelpersShortcode::getShortcodeClass($shortcode_name);
if (class_exists($class)) {
global $JSNPbElements;
$elements = $JSNPbElements->getElements();
$instance = isset($elements[strtolower($class)]) ? $elements[strtolower($class)] : null;
if (!is_object($instance)) {
$instance = new $class();
$instance->frontend_element_assets();
}
}
}
/**
* Return html structure of shortcode in Page Builder area
*
* @param string $shortcode_name
* @param string $content
* @param string $shortcode_data
* @param array $shortcode_params
*
* @return string
*/
public static function transformShortcodeToPagebuilder($shortcode_name, $content= '', $shortcode_data = '', $shortcode_params = '', $client = 'backend') {
$class = JSNPagebuilderHelpersShortcode::getShortcodeClass($shortcode_name);
if (class_exists($class)) {
$content = html_entity_decode($content, ENT_COMPAT, 'UTF-8');
global $JSNPbElements;
$JSNPbElements->setGeneratedStatus(true);
$elements = $JSNPbElements->getElements();
$instance = isset($elements[strtolower($class)]) ? $elements[strtolower($class)] : null;
if (!is_object($instance)) {
$instance = new $class();
}
$el_title = "";
// extract param of shortcode (now for column)
if (isset($instance->config['extract_param'])) {
parse_str(trim($shortcode_params), $output);
foreach ($instance->config['extract_param'] as $param) {
if (isset($output[$param]))
$instance->params[$param] = JSNPagebuilderHelpersFunctions::removeQuotes($output[$param]);
}
}
// get content in pagebuilder of shortcode: Element Title must always first option of Content tab
if (isset($instance->items["content"]) && isset($instance->items["content"][0])) {
$title = $instance->items["content"][0];
if (@$title["role"] == "title") {
$params = JSNPagebuilderHelpersShortcode::shortcodeParseAtts($shortcode_params);
$el_title = !empty($params[$title["id"]]) ? $params[$title["id"]] : "";
}
}
if ($client === 'backend'){
$shortcode_view = $instance->element_in_pgbldr($content, $shortcode_data, $el_title);
}else{
// Render the shortcode frontend HTML
$params = JSNPagebuilderHelpersShortcode::shortcodeParseAtts($shortcode_params);
$shortcode_view = $instance->element_shortcode($params, $content);
}
return $shortcode_view;
}
}
public function getShortCodeClassBeforeRender($content) {
$helper = new JSNPagebuilderHelpersShortcode();
$content = trim($content);
$shortcodeTags = $helper::getShortcodeTags();
$shortcodeClass = array();
foreach ( $shortcodeTags as $pattern=>$shortcodeTag ) {
preg_match("/$pattern/", $content, $match );
if (count($match))
{
if ($match[0]) {
$class = JSNPagebuilderHelpersShortcode::getShortcodeClass($match[0]);
$shortcodeClass[] = $class;
}
}
}
return $shortcodeClass;
}
}
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