// $Id$
/**
* @file ajaxView.js
*
* Handles AJAX fetching of views, including filter submission and response.
*/
Drupal.Views.Ajax = Drupal.Views.Ajax || {};
/**
* An ajax responder that accepts a packet of JSON data and acts appropriately.
*
* The following fields control behavior.
* - 'display': Display the associated data in the view area.
*/
Drupal.Views.Ajax.ajaxViewResponse = function(target, response) {
if (response.debug) {
alert(response.debug);
}
var $view = $(target);
// Check the 'display' for data.
if (response.status && response.display) {
var $newView = $(response.display);
$view.replaceWith($newView);
$view = $newView;
Drupal.attachBehaviors($view.parent());
}
if (response.messages) {
// Show any messages (but first remove old ones, if there are any).
$view.find('.views-messages').remove().end().prepend(response.messages);
}
};
/**
* Ajax behavior for views.
*/
Drupal.behaviors.ViewsAjaxView = function() {
if (Drupal.settings && Drupal.settings.views && Drupal.settings.views.ajaxViews) {
var ajax_path = Drupal.settings.views.ajax_path;
// If there are multiple views this might've ended up showing up multiple times.
if (ajax_path.constructor.toString().indexOf("Array") != -1) {
ajax_path = ajax_path[0];
}
$.each(Drupal.settings.views.ajaxViews, function(i, settings) {
var view = '.view-dom-id-' + settings.view_dom_id;
if (!$(view).size()) {
// Backward compatibility: if 'views-view.tpl.php' is old and doesn't
// contain the 'view-dom-id-#' class, we fall back to the old way of
// locating the view:
view = '.view-id-' + settings.view_name + '.view-display-id-' + settings.view_display_id;
}
// Process exposed filter forms.
$('form#views-exposed-form-' + settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'))
.filter(':not(.views-processed)')
.each(function () {
// remove 'q' from the form; it's there for clean URLs
// so that it submits to the right place with regular submit
// but this method is submitting elsewhere.
$('input[name=q]', this).remove();
var form = this;
// ajaxSubmit doesn't accept a data argument, so we have to
// pass additional fields this way.
$.each(settings, function(key, setting) {
$(form).append('');
});
})
.addClass('views-processed')
.submit(function () {
$('input[type=submit], button', this).after(' ');
var object = this;
$(this).ajaxSubmit({
url: ajax_path,
type: 'GET',
success: function(response) {
// Call all callbacks.
if (response.__callbacks) {
$.each(response.__callbacks, function(i, callback) {
eval(callback)(view, response);
});
$('.views-throbbing', object).remove();
}
},
error: function() { alert(Drupal.t("An error occurred at @path.", {'@path': ajax_path})); $('.views-throbbing', object).remove(); },
dataType: 'json'
});
return false;
});
$(view).filter(':not(.views-processed)')
// Don't attach to nested views. Doing so would attach multiple behaviors
// to a given element.
.filter(function() {
// If there is at least one parent with a view class, this view
// is nested (e.g., an attachment). Bail.
return !$(this).parents('.view').size();
})
.each(function() {
// Set a reference that will work in subsequent calls.
var target = this;
$(this)
.addClass('views-processed')
// Process pager, tablesort, and attachment summary links.
.find('ul.pager > li > a, th.views-field a, .attachment .views-summary a')
.each(function () {
var viewData = {};
// Construct an object using the settings defaults and then overriding
// with data specific to the link.
$.extend(
viewData,
settings,
Drupal.Views.parseQueryString($(this).attr('href')),
// Extract argument data from the URL.
Drupal.Views.parseViewArgs($(this).attr('href'), settings.view_base_path)
);
$(this).click(function () {
$(this).addClass('views-throbbing');
$.ajax({
url: ajax_path,
type: 'GET',
data: viewData,
success: function(response) {
$(this).removeClass('views-throbbing');
// Scroll to the top of the view. This will allow users
// to browse newly loaded content after e.g. clicking a pager
// link.
var offset = $(target).offset();
// Only scroll upward
if (offset.top - 10 < $(window).scrollTop()) {
$('html,body').animate({scrollTop: (offset.top - 10)}, 500);
}
// Call all callbacks.
if (response.__callbacks) {
$.each(response.__callbacks, function(i, callback) {
eval(callback)(target, response);
});
}
},
error: function() { $(this).removeClass('views-throbbing'); alert(Drupal.t("An error occurred at @path.", {'@path': ajax_path})); },
dataType: 'json'
});
return false;
});
}); // .each function () {
}); // $view.filter().each
}); // .each Drupal.settings.views.ajaxViews
} // if
};