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<?php
/**
* User Picker. Sends an array of user guids.
*
* @package Elgg
* @subpackage Core
*
* @uses $vars['value'] The current value, if any
* @uses $vars['internalname'] The name of the input field
*
*
* pops up defaulted to lazy load friends lists in paginated alphabetical order.
* upon
*
* As users are checked they move down to a "users" box.
* When this happens, a hidden input is created also.
* {$internalnal}[] with the value th GUID.
*
*/
global $user_picker_js_sent;
function user_picker_add_user($user_id) {
$user = get_entity($user_id);
if (!$user || !($user instanceof ElggUser)) {
return FALSE;
}
$icon = $user->getIcon('tiny');
$code = '<li class="user_picker_entry">';
$code .= "<img class=\"livesearch_icon\" src=\"$icon\" />";
$code .= "$user->name - $user->username";
$code .= '<div class="delete_button">';
$code .= "<a onclick=\"userPickerRemoveUser(this, $user_id)\"><strong>X</strong></a>";
$code .= '</div>';
$code .= "<input type=\"hidden\" name=\"members[]\" value=\"$user_id\">";
$code .= '</li>';
return $code;
}
if (!isset($vars['value']) || $vars['value'] === FALSE) {
$vars['value'] = elgg_get_sticky_value($vars['internalname']);
}
// loop over all values and prepare them so that "in" will work in javascript
$values = array();
if (!is_array($vars['value'])) {
$vars['value'] = array($vars['value']);
}
foreach ($vars['value'] as $value) {
$values[$value] = TRUE;
}
// convert the values to a json-encoded list
$json_values = json_encode($values);
if (!$user_picker_js_sent) {
?>
<!-- User picker JS -->
<script language="javascript" type="text/javascript" src="<?php echo elgg_get_site_url(); ?>vendors/jquery/jquery.autocomplete.min.js"></script>
<script type="text/javascript">
// set up a few required variables
userPickerURL = '<?php echo elgg_get_site_url() ?>pg/livesearch';
userList = <?php echo $json_values ?>;
function userPickerBindEvents() {
// binding autocomplete.
// doing this as an each so we can past this to functions.
$('.user_picker .search').each(function (i, e) {
userPickerBindAutocomplete(e);
});
// changing friends vs all users.
$('.user_picker .all_users').click(function() {
// update the extra params for the autocomplete.
var e = $(this).parents('.user_picker').find('.search');
var params = userPickerGetSearchParams(e);
e.setOptions({extraParams: params});
e.flushCache();
});
// hitting enter on the text field
// $('.user_picker .search').bind($.browser.opera ? "keypress" : "keydown", function(event) {
// if(event.keyCode == 13) {
//// console.log($(this).val());
// userPickerAddUser(this);
// }
// });
}
function userPickerBindAutocomplete(e) {
var params = userPickerGetSearchParams(e);
$(e).autocomplete(userPickerURL, {
extraParams: params,
max: 25,
minChars: 2,
matchContains: false,
autoFill: false,
formatItem: userPickerFormatItem,
formatResult: function (row, i, max) {
eval("var info = " + row + ";");
// returning the just name
return info.name;
}
});
// add users when a result is picked.
$(e).result(userPickerAddUser);
}
function userPickerFormatItem(row, i, max, term) {
eval("var info = " + row + ";");
var r = '';
var name = info.name.replace(new RegExp("(" + term + ")", "gi"), "<span class=\"user_picker_highlight\">$1</b>");
var desc = info.desc.replace(new RegExp("(" + term + ")", "gi"), "<span class=\"user_picker_highlight\">$1</b>");
switch (info.type) {
case 'user':
case 'group':
r = info.icon + name + ' - ' + desc;
break;
default:
r = name + ' - ' + desc;
break;
}
return r;
//return r.replace(new RegExp("(" + term + ")", "gi"), "<span class=\"user_picker_highlight\">$1</b>");
}
function userPickerAddUser(event, data, formatted) {
eval("var info = " + data + ";");
// do not allow users to be added multiple times
if (!(info.guid in userList)) {
userList[info.guid] = true;
var picker = $(this).parent('.user_picker');
var users = picker.find('.users');
var internalName = picker.find('input.internalname').val();
// not sure why formatted isn't.
var formatted = userPickerFormatItem(data);
// add guid as hidden input and to list.
var li = formatted + ' <div class="delete_button"><a onclick="userPickerRemoveUser(this, ' + info.guid + ')"><strong>X</strong></a></div>'
+ '<input type="hidden" name="' + internalName + '[]" value="' + info.guid + '" />';
$('<li class="user_picker_entry">').html(li).appendTo(users);
$(this).val('');
}
}
function userPickerRemoveUser(link, guid) {
$(link).parents('.user_picker_entry').remove();
}
function userPickerGetSearchParams(e) {
if ($(e).parent().find('.all_users').attr('checked')) {
return {'match_on[]': 'friends'};
} else {
return {'match_on[]': 'users'};
}
}
$(document).ready(function() {
userPickerBindEvents();
});
</script>
<?php
$user_picker_js_sent = true;
}
// create an HTML list of users
$user_list = '';
foreach ($vars['value'] as $user_id) {
$user_list .= user_picker_add_user($user_id);
}
?>
<div class="user_picker">
<input class="internalname" type="hidden" name="internalname" value="<?php echo $vars['internalname']; ?>" />
<input class="search" type="text" name="user_search" size="30"/>
<span class="controls">
<label><input class="all_users" type="checkbox" name="match_on" value="true" /><?php echo elgg_echo('userpicker:only_friends'); ?></label>
</span>
<div class="results">
<!-- This space will be filled with users, checkboxes and magic. -->
</div>
<ul class="users"><?php echo $user_list; ?></ul>
</div>
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