uc = uc || {};

uc.utils = uc.utils || {};

uc.utils.centeredContainer = function(html_container) {

	this.html_container = html_container;

}

uc.utils.centeredContainer.currentContainer = null;

uc.utils.centeredContainer.centerCurrent = function() {

	// Center popup in the browser window

	if (uc.utils.centeredContainer.currentContainer == null) return;

	var jq_container = uc.utils.centeredContainer.currentContainer;

	var jq_window = jQuery(window);

	var popup_x = jq_window.scrollLeft() + ((jq_window.width() - jq_container.width()) / 2);

	var popup_y = jq_window.scrollTop() + ((jq_window.height() - jq_container.height()) / 2);

	jq_container.css('top', popup_y);

	jq_container.css('left', popup_x);

}

uc.utils.centeredContainer.showCurrent = function() {

	if (uc.utils.centeredContainer.currentContainer == null) return;

	var jq_container = uc.utils.centeredContainer.currentContainer;

	var jq_window = jQuery(window);

	jq_window.bind("resize", uc.utils.centeredContainer.centerCurrent);

	jq_window.bind("scroll", uc.utils.centeredContainer.centerCurrent);

	uc.utils.centeredContainer.centerCurrent();

	jq_container.show();

}

uc.utils.centeredContainer.hideCurrent = function() {

	if (uc.utils.centeredContainer.currentContainer == null) return;

	var jq_container = uc.utils.centeredContainer.currentContainer;

	var jq_window = jQuery(window);

	jq_container.hide();

	jq_container.remove();

	jq_window.unbind("resize", uc.utils.centeredContainer.centerCurrent);

	jq_window.unbind("scroll", uc.utils.centeredContainer.centerCurrent);

}

uc.utils.centeredContainer.prototype = {

	show: function() {

		this.hide();

		var jq_body = jQuery("body");

		var jq_container = jQuery(this.html_container);

		jq_container.hide();

		jq_container.css('position', 'absolute');

		jq_container.css('display', 'block');

		jq_body.append(jq_container);

		uc.utils.centeredContainer.currentContainer = jq_container;

		uc.utils.centeredContainer.showCurrent();

	},

	hide: function() {

		uc.utils.centeredContainer.hideCurrent();

	}

}

uc.utils.showModalWrapper = function() {

	if (jQuery('#modal-wrapper').length > 0) return false;

	var jq_body = jQuery("body");

	var jq_modal_wrapper = jQuery('<div id="modal-wrapper"></div>');

	jq_modal_wrapper.height(jq_body.height());

	jq_body.append(jq_modal_wrapper);

}

uc.utils.hideModalWrapper = function() {

	jQuery('#modal-wrapper').remove();

}

uc.utils.showLoader = function() {

	var loader = new uc.utils.centeredContainer('<img id="loader" src="/images/pictos/loader.gif" />')

	loader.show();

}

uc.utils.hideLoader = function() {

	jQuery('#loader').remove();

}

uc.utils.executeServerJS = function(http_url, http_data, http_method, complete_callback) {

	if (http_method == null) http_method = 'GET';

	if (complete_callback == null) complete_callback = function () {};

	if (http_method == 'POST') uc.utils.showModalWrapper();

	uc.utils.showLoader();

	jQuery.ajax({

		url: http_url,

		type: http_method,

		data: http_data,

		beforeSend: function(xhr) {xhr.setRequestHeader("Accept", "application/javascript");},

		complete: function (XMLHttpRequest, textStatus) {uc.utils.hideLoader(); complete_callback();},

		success: function (data, textStatus) {},

		dataType: "script"

	});

}

uc.utils.ajaxifyLink = function(jq_selector, http_method, complete_callback) {

	jq_selector.removeClass('ajax').removeClass('ajax-post');

	jq_selector.parents('.ajax').removeClass('ajax').removeClass('ajax-post');

	jq_selector.each(function () {

		var jq_this = jQuery(this);

		var ajax_url = jq_this.attr('href');

		if (ajax_url.indexOf('javascript:') == 0) return false;

		jq_this.attr('href', 'javascript:void(0);');

		jq_this.removeClass('ajax');

		jq_this.click(function() {

			uc.utils.executeServerJS(ajax_url, {}, http_method, complete_callback);

			return false;

		});

	});

}

uc.utils.ajaxifyForm = function(jq_selector, complete_callback) {

	jq_selector.removeClass('ajax');

	jq_selector.submit(function() {

		var jq_this = jQuery(this);

		var ajax_url = jq_this.attr('action');

		var ajax_data = {};

		// Extract data of form

		jQuery('textarea, input:text,  input:password, input:hidden, select, input:checked, input:selected', jq_this).each(function () {

			var jq_input = jQuery(this);

			ajax_data[jq_input.attr('name')] = jq_input.val();

		});

		uc.utils.executeServerJS(ajax_url, ajax_data, 'POST', complete_callback);

		// Do not process normal http request

		return false;

	});

}

uc.utils.buildSelectList = function(jq_selector) {

	// Wait 1 second to make sure css is loaded

	window.setTimeout(function() {

		jq_selector.each(function() {

			var jq_select = jQuery(this);

			// Check for an existing selectedItem

			var jq_selected_item = jQuery('li.selected', jq_select);

			if (jq_selected_item.length == 1) {

				// Scroll to this item

				var top = jq_selected_item.position().top;

				if (top > 200) jq_select.scrollTop(top-200);

			}

			jQuery('li a', jq_select).click(function() {

				jQuery('li.selected', jq_select).toggleClass('selected');

				jQuery(this).parents('li').toggleClass('selected');

			});

		});}, 1000);

}