catalog.js
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Created: Fri, Nov 21, 8:17 AM

catalog.js
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	var $is_catalog = true;

	function Catalog($url_mask) {
	this.BusyRequest = false;
	this.URLMask = $url_mask;
	this.Separator = '#separator#';

	this.TabRegistry = new Array();

	// get from cookie
	this.ActivePrefix = '';
	}

	Catalog.prototype.Init = function () {
	var $prefix = this.queryTabRegistry('prefix', this.ActivePrefix, 'prefix');
	if ($prefix !== this.ActivePrefix && this.TabRegistry.length > 0) {
	// ActivePrefix not set or has non-existing prefix value
	this.ActivePrefix = this.TabRegistry[1]['prefix'];
	}
	}

	Catalog.prototype.submit_kernel_form = function($form_name, $result_div) {
	var $kf = document.getElementById($form_name);
	set_hidden_field('ajax', 'yes');

	Request.params = Request.serializeForm($kf);
	Request.method = $kf.method.toUpperCase();

	Request.makeRequest($kf.action, this.BusyRequest, $result_div, this.successCallback, this.errorCallback, $result_div);
	};

	Catalog.prototype.successCallback = function($request, $params) {
	var $text = $request.responseText;
	$params = $params.split(',');
	var $js_end = $text.indexOf($Catalog.Separator);
	if ($js_end != -1) {
	document.getElementById($params[0]).innerHTML = $text.substring($js_end + $Catalog.Separator.length);
	eval($text.substring(0, $js_end));
	}
	else {
	document.getElementById($params[0]).innerHTML = $text;
	}

	if ($params[0] == 'categories_div') {
	// category has been changed -> refresh current item tab
	$Catalog.switchTab();
	}

	if (isset($Debugger)) $Debugger.Clear();
	}

	Catalog.prototype.errorCallback = function($request, $params) {
	alert('AJAX ERROR: ' + Request.getErrorHtml($request));
	}

	Catalog.prototype.submit_event = function($prefix_special, $event, $t, $result_div, $source_form) {
	// set form name first, because set_hidden_field uses it
	if (isset($source_form)) $form_name = $source_form;

	if (isset($event)) set_hidden_field('events['+$prefix_special+']', $event);
	if (isset($t)) set_hidden_field('t', $t);

	this.submit_kernel_form($form_name, $result_div);
	}


	Catalog.prototype.go_to_cat = function($cat_id) {
	if (!isset($cat_id)) {
	$cat_id = get_hidden_field('m_cat_id');
	}

	var $url = this.URLMask.replace('#TEMPLATE_NAME#', 'xml/categories_list').replace('#CATEGORY_ID#', $cat_id);
	Request.makeRequest($url, this.BusyRequest, 'categories_div', this.successCallback, this.errorCallback, 'categories_div');
	}


	Catalog.prototype.switchTab = function($prefix) {
	if (!isset($prefix)) $prefix = this.ActivePrefix;

	if (this.ActivePrefix != $prefix) {
	// hide source tab
	document.getElementById(this.ActivePrefix + '_tab').className = 'catalog-tab-unselected';
	document.getElementById(this.queryTabRegistry('prefix', this.ActivePrefix, 'tab_id') + '_div').style.display = 'none';
	}

	// show destination tab
	this.ActivePrefix = $prefix;
	document.getElementById(this.ActivePrefix + '_tab').className = 'catalog-tab-selected';
	var $div_id = this.queryTabRegistry('prefix', $prefix, 'tab_id') + '_div'; // destination tab
	document.getElementById($div_id).style.display = 'block';

	// this.TabRegistry.length == 1
	var $cat_id = get_hidden_field('m_cat_id');
	var $tab_cat_id = document.getElementById($div_id).getAttribute('category_id');
	if ($cat_id != $tab_cat_id) {
	// query tab content only in case if not queried or category don't match
	var $url = this.URLMask.replace('#TEMPLATE_NAME#', this.queryTabRegistry('prefix', $prefix, 'module_path') + '/catalog_tab');
	$url = $url.replace('#CATEGORY_ID#', $cat_id);

	Request.makeRequest($url, this.BusyRequest, $div_id, this.successCallback, this.errorCallback, $div_id);
	}
	}

	// adds information about tab to tab_registry
	Catalog.prototype.registerTab = function($tab_id) {
	var $tab = document.getElementById($tab_id + '_div');
	var $index = this.TabRegistry.length;
	this.TabRegistry[$index] = new Array();
	this.TabRegistry[$index]['tab_id'] = $tab_id;
	this.TabRegistry[$index]['prefix'] = $tab.getAttribute('prefix');
	this.TabRegistry[$index]['module_path'] = $tab.getAttribute('edit_template').substring(0, $tab.getAttribute('edit_template').indexOf('/'));
	this.TabRegistry[$index]['edit_template'] = $tab.getAttribute('edit_template');
	this.TabRegistry[$index]['index'] = $index;
	}

	// allows to get any information about tab
	Catalog.prototype.queryTabRegistry = function($search_key, $search_value, $return_key) {
	var $i = 0;
	while ($i < this.TabRegistry.length) {
	if (this.TabRegistry[$i][$search_key] == $search_value) {
	return this.TabRegistry[$i][$return_key];
	break;
	}
	$i++;
	}
	return false;
	}

	Catalog.prototype.HideTab = function($prefix) {

	var $tab = document.getElementById($prefix + '_tab_container');
	if ($tab) {
	$tab.style.display = 'none';
	var $index = this.queryTabRegistry('prefix', $prefix, 'index'); // index of hidden tab
	if ($index + 1 < this.TabRegistry.length) {
	// some tabs exists after hidden tab
	this.ShowTab(this.queryTabRegistry('index', $index + 1, 'prefix'));
	}
	}
	}

	Catalog.prototype.ShowTab = function($prefix) {
	var $tab = document.getElementById($prefix + '_tab_container');
	if ($tab) {
	$tab.style.display = 'block';
	}
	}

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catalog.js
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catalog.js
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