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// $Id: ac.js,v 1.9 2009/06/17 22:48:15 ac Exp $
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var AC = AC || { locks: {} };
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/**
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* Send an ajax request.
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*
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* @param string module
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* Module name
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*
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* @param string op
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* Operation
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*
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* @param object data
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* (optional) Key:value pairs used to generate query string.
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* When omitted this will be considered the callback function.
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*
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* @param function callback
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* Callback function once request is complete.
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*/
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AC.request = function(module, op, data, callback) {
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var d = typeof data == 'function' ? {} : data;
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var c = typeof data == 'function' ? data : callback;
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var u = Drupal.settings.basePath + 'js/' + module + '/' + op;
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if (!AC.isLocked(module, op)){
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d.token = Drupal.settings.ac.token;
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$.post(u, d, function(response){
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c(response);
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}, 'json');
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}
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};
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/**
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* Validate response.
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*
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* @param object response
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*
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* @return bool
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*/
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AC.checkResponse = function(response) {
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var s = false;
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// Check for lock
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if (response.lock){
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AC.setLock(response._module, response._op, response.lock, response.lock_message, response.message_wrapper, response.message_class, response.message_position);
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}
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// Check debugging js
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if (response.debug) {
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eval(response.debug);
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}
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// Error
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else if (!response.status){
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AC.setMessage(response.message_wrapper, response.message, 'error', response.message_duration, response.message_class, response.message_position);
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}
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// Warning
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else if (response.status == 2){
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if (response.message.length){
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AC.setMessage(response.message_wrapper, response.message, 'warning', response.message_duration, response.message_class, response.message_position);
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}
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s = true;
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}
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// Success
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else {
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if (response.message.length){
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AC.setMessage(response.message_wrapper, response.message, 'status', response.message_duration, response.message_class, response.message_position);
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}
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s = true;
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}
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return s;
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};
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/**
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* Set message.
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*
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* @param string wrapper
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*
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* @param string message
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*
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* @param string type
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* (optional) Defaults to 'status'.
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*
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* @param int duration
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* (optional) Message duration. Defaults to 3000;
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*
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* @param string classes
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* (optional) Additional classes for this message.
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*
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* @param string position
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* (optional) This position string is evaluted as JavaScript allowing
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* you to optionally traverse and alter where the messages should be
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* displayed relative to the wrapper. Ex: '.parent().after(message)'
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*/
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AC.setMessage = function(wrapper, message, type, duration, classes, position) {
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var d = duration == null ? 3000 : duration;
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var t = type || 'status';
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var c = classes || '';
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var p = position || null;
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message = '<div class="messages ac-message ac-message-' + t + ' ' + t + ' ' + c + '">' + message + '</div>';
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if (p){
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eval('$(\'' + wrapper + '\')' + p + ';');
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}
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else {
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$(wrapper).html(message);
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}
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if (d){
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setTimeout('AC.clearMessages()', d);
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}
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};
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/**
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* Lock a request.
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*
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* @param string module
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*
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* @param string op
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*
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* @param int duration
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* Duration in seconds to lock this request.
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*
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* @param string message
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* (optional) Lock message.
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*
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* @param string classes
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* (optional) Additional classes for this message.
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*
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* @param string position
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* (optional) This position string is evaluted as JavaScript allowing
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* you to optionally traverse and alter where the messages should be
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* displayed relative to the wrapper. Ex: '.parent().after(message)'
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*/
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AC.setLock = function(module, op, duration, message, wrapper, classes, position) {
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// @todo: accept wrapper and duration
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var d = duration * 1000;
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var m = message || '';
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var w = wrapper || '#ac-messages';
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var date = new Date();
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AC.locks[module] = {};
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AC.locks[module][op] = {
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duration: date.getTime() + d,
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message: m,
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wrapper: w,
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classes: classes,
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position: position
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};
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};
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/**
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* Check a request lock.
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*
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* @param string module
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*
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* @param string op
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*
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* @return bool
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* Weither or not the request is locked.
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*/
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AC.isLocked = function(module, op) {
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if (AC.locks[module] && AC.locks[module][op]){
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var date = new Date();
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if (AC.locks[module][op].duration <= date.getTime()){
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delete AC.locks[module][op];
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}
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else {
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// @todo: Display lock_message using message_wrapper and message_duration, display as notification with own class
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AC.setMessage(AC.locks[module][op].wrapper, AC.locks[module][op].message, 'warning', 3000, 'ac-lock ' + AC.locks[module][op].classes, AC.locks[module][op].position);
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return true;
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}
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}
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return false;
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};
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/**
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* Clear messages set by AC.
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*/
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AC.clearMessages = function() {
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$('.ac-message').fadeOut(600);
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};
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