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elgg.provide('elgg.userpicker');
elgg.userpicker.init = function() {
// binding autocomplete.
// doing this as an each so we can pass this to functions.
$('.elgg-input-user-picker').each(function() {
var _this = this;
$(this).autocomplete({
source: function(request, response) {
var params = elgg.userpicker.getSearchParams(this);
elgg.get('livesearch', {
data: params,
dataType: 'json',
success: function(data) {
response(data);
}
});
},
minLength: 2,
select: elgg.userpicker.addUser
})
//@todo This seems convoluted
.data("autocomplete")._renderItem = elgg.userpicker.formatItem;
});
};
elgg.userpicker.formatItem = function(ul, item) {
switch (item.type) {
case 'user':
case 'group':
r = item.icon + item.name + ' - ' + item.desc;
break;
default:
r = item.name + ' - ' + item.desc;
break;
}
return $("<li/>")
.data("item.autocomplete", item)
.append(r)
.appendTo(ul);
};
elgg.userpicker.addUser = function(event, ui) {
var info = ui.item;
// do not allow users to be added multiple times
if (!(info.guid in elgg.userpicker.userList)) {
elgg.userpicker.userList[info.guid] = true;
var picker = $(this).closest('.elgg-user-picker');
var users = picker.find('.elgg-user-picker-entries');
var internalName = users.find('[type=hidden]').attr('name');
// not sure why formatted isn't.
var formatted = elgg.userpicker.formatItem(data);
// add guid as hidden input and to list.
var li = formatted + ' <div class="delete-button"><a onclick="elgg.userpicker.removeUser(this, ' + info.guid + ')"><strong>X</strong></a></div>'
+ '<input type="hidden" name="' + internalName + '" value="' + info.guid + '" />';
$('<li>').html(li).appendTo(users);
$(this).val('');
}
};
elgg.userpicker.removeUser = function(link, guid) {
$(link).closest('.elgg-user-picker-entries > li').remove();
};
elgg.userpicker.getSearchParams = function(e) {
if ($(e).closest('.elgg-user-picker').find('[name=match_on]').attr('checked')) {
return {'match_on[]': 'friends', 'term' : e.term};
} else {
return {'match_on[]': 'users', 'term' : e.term};
}
}
elgg.register_hook_handler('init', 'system', elgg.userpicker.init);
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