name = 'stlazyloading';
$this->tab = 'front_office_features';
$this->version = '1.0.2';
$this->author = 'sunnytoo.com';
$this->need_instance = 0;
$this->bootstrap = true;
$this->_st_is_16 = Tools::version_compare(_PS_VERSION_, '1.7');
parent::__construct();
$this->displayName = $this->l('Lazy loading product images by ST-themes');
$this->description = $this->l('This module is used to lazy load product images.');
$this->ps_versions_compliancy = array('min' => '1.5', 'max' => _PS_VERSION_);
}
public function install()
{
$result = true;
if (!parent::install()
|| !Configuration::updateValue('ST_LAZYLOADING_LOAD_WAYPOINT', false)
|| !$this->registerHook('displayHeader')
) {
$result = false;
}
if($result && !$this->_st_is_16)
$result &= $this->registerHook('actionProductSearchAfter');
return $result;
}
public function uninstall()
{
if (!parent::uninstall()
) {
return false;
}
return true;
}
public function getContent()
{
$this->initFieldsForm();
if (isset($_POST['savestlazyloading']))
{
foreach($this->fields_form as $form)
foreach($form['form']['input'] as $field)
if(isset($field['validation']))
{
$errors = array();
$value = Tools::getValue($field['name']);
if (isset($field['required']) && $field['required'] && $value==false && (string)$value != '0')
$errors[] = sprintf(Tools::displayError('Field "%s" is required.'), $field['label']);
elseif($value)
{
$field_validation = $field['validation'];
if (!Validate::$field_validation($value))
$errors[] = sprintf(Tools::displayError('Field "%s" is invalid.'), $field['label']);
}
// Set default value
if ($value === false && isset($field['default_value']))
$value = $field['default_value'];
if(count($errors))
{
$this->validation_errors = array_merge($this->validation_errors, $errors);
}
elseif($value==false)
{
switch($field['validation'])
{
case 'isUnsignedId':
case 'isUnsignedInt':
case 'isInt':
case 'isBool':
$value = 0;
break;
default:
$value = '';
break;
}
Configuration::updateValue('ST_LAZYLOADING_'.strtoupper($field['name']), $value);
}
else
Configuration::updateValue('ST_LAZYLOADING_'.strtoupper($field['name']), $value);
}
if(count($this->validation_errors))
$this->_html .= $this->displayError(implode('
',$this->validation_errors));
else
$this->_html .= $this->displayConfirmation($this->l('Settings updated'));
}
$helper = $this->initForm();
return $this->_html.$helper->generateForm($this->fields_form).'';
}
protected function initFieldsForm()
{
$this->fields_form[0]['form'] = array(
'legend' => array(
'title' => $this->displayName,
'icon' => 'icon-cogs'
),
'input' => array(
'load_waypoint' => array(
'type' => 'switch',
'label' => $this->l('Stop loading waypoint jQuery plugin:'),
'name' => 'load_waypoint',
'default_value' => 0,
'is_bool' => true,
'values' => array(
array(
'id' => 'load_waypoint_on',
'value' => 1,
'label' => $this->l('Yes')),
array(
'id' => 'load_waypoint_off',
'value' => 0,
'label' => $this->l('No')),
),
'validation' => 'isBool',
'desc' => $this->l('If you have installed any other modules from ST-themes which already load the waypoing jquey plugin to your site, then you can enable this option to stop loading it again. The plugin just need to be loaded for once.'),
),
),
'submit' => array(
'title' => $this->l(' Save ')
)
);
}
protected function initForm()
{
$helper = new HelperForm();
$helper->show_toolbar = false;
$helper->table = $this->table;
$helper->module = $this;
$lang = new Language((int)Configuration::get('PS_LANG_DEFAULT'));
$helper->default_form_language = $lang->id;
$helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
$helper->identifier = $this->identifier;
$helper->submit_action = 'savestlazyloading';
$helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
$helper->token = Tools::getAdminTokenLite('AdminModules');
$helper->tpl_vars = array(
'fields_value' => $this->getConfigFieldsValues(),
'languages' => $this->context->controller->getLanguages(),
'id_language' => $this->context->language->id
);
return $helper;
}
private function getConfigFieldsValues()
{
$fields_values = array(
'load_waypoint' => Configuration::get('ST_LAZYLOADING_LOAD_WAYPOINT'),
);
return $fields_values;
}
public function getStBasicVals(){
$vals = array(
'lang_iso_code' => $this->context->language->iso_code, //For products listing page after ajax search, probably can be removed in future.
'img_prod_url' => Tools::getCurrentUrlProtocolPrefix().Tools::getMediaServer(_THEME_PROD_DIR_)._THEME_PROD_DIR_, //the same as above, got this from frontController getTemplateVarUrls
);
return $vals;
}
public function hookActionProductSearchAfter($params){
$this->context->smarty->assign('stlazyloading', $this->getStBasicVals());
return ;
}
public function hookDisplayHeader($params)
{
$this->context->controller->addCSS($this->_path.'views/css/stlazyloading.css', 'all');
if (!Configuration::get('ST_LAZYLOADING_LOAD_WAYPOINT')) {
$this->context->controller->addJS($this->_path.'views/js/jquery.waypoints.min.js');
}
$this->context->controller->addJS($this->_path.'views/js/stlazyloading'.($this->_st_is_16 ? '16' : '').'.js');
$this->context->smarty->assign('stlazyloading', $this->getStBasicVals());
return;
}
}