forked from k0a1a/hotglue2
/
module_iframe.inc.php
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/
module_iframe.inc.php
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<?php
/**
* module_iframe.inc.php
* Module for embedding iframe elements
*
* Copyright Gottfried Haider, Danja Vasiliev 2010.
* This source code is licensed under the GNU General Public License.
* See the file COPYING for more details.
*/
@require_once('config.inc.php');
require_once('html.inc.php');
require_once('html_parse.inc.php');
require_once('modules.inc.php');
// module glue gets loaded on demand
// module_image.inc.php has more information on what's going on inside modules
// (they can be easier than that one though)
function iframe_alter_save($args)
{
$elem = $args['elem'];
$obj = &$args['obj'];
if (!elem_has_class($elem, 'iframe')) {
return false;
}
// parse children elements to find iframe
$childs = html_parse(elem_val($elem));
$i = false;
foreach ($childs as $c) {
if (elem_tag($c) == 'iframe') {
$i = $c;
break;
}
}
if (!$i) {
log_msg('warn', 'iframe_alter_save: no iframe element found, inner html is '.var_dump_inl($childs));
return false;
}
// url
if (elem_attr($i, 'src') !== NULL) {
$obj['iframe-url'] = elem_attr($i, 'src');
} else {
unset($obj['iframe-url']);
}
// scrolling
if (elem_css($i, 'overflow') == 'hidden' || (elem_css($i, 'overflow-x') == 'hidden' && elem_css($i, 'overflow-y') == 'hidden')) {
unset($obj['iframe-scroll']);
} else {
$obj['iframe-scroll'] = 'scroll';
}
return true;
}
function iframe_alter_render_early($args)
{
$elem = &$args['elem'];
$obj = $args['obj'];
if (!elem_has_class($elem, 'iframe')) {
return false;
}
// add iframe
$i = elem('iframe');
// frameborder is not valid html5
//if (!$args['edit'] && IE8_COMPAT) {
// elem_attr($i, 'frameborder', '0');
//}
// set the name attribute
elem_attr($i, 'name', $obj['name']);
if (!$args['edit']) {
// try to lift any restrictions
elem_attr($i, 'sandbox', 'allow-forms allow-same-origin allow-scripts allow-top-navigation');
}
elem_css($i, 'background-color', 'transparent');
elem_css($i, 'border-width', '0px');
elem_css($i, 'height', '100%');
elem_css($i, 'position', 'absolute');
elem_css($i, 'width', '100%');
// url
if (!empty($obj['iframe-url'])) {
elem_attr($i, 'src', $obj['iframe-url']);
} else {
elem_attr($i, 'src', '');
}
// scrolling
if (isset($obj['iframe-scroll']) && $obj['iframe-scroll'] == 'scroll') {
elem_css($i, 'overflow', 'auto');
// attribute scrolling is not available in html5 but this effectivly
// removes the scrollbars on Chrome, so..
elem_attr($i, 'scrolling', 'auto');
} else {
elem_css($i, 'overflow', 'hidden');
elem_attr($i, 'scrolling', 'no');
elem_attr($i, 'seamless', 'seamless');
}
elem_append($elem, $i);
if ($args['edit']) {
// add shield as well
$s = elem('div');
elem_add_class($s, 'glue-iframe-shield');
elem_add_class($s, 'glue-ui');
elem_css($s, 'height', '100%');
elem_css($s, 'position', 'absolute');
elem_css($s, 'width', '100%');
elem_attr($s, 'title', 'visitors will be able to interact with the webpage below');
elem_append($elem, $s);
}
return true;
}
function iframe_render_object($args)
{
$obj = $args['obj'];
if (!isset($obj['type']) || $obj['type'] != 'iframe') {
return false;
}
$e = elem('div');
elem_attr($e, 'id', $obj['name']);
elem_add_class($e, 'iframe');
elem_add_class($e, 'resizable');
elem_add_class($e, 'object');
// hooks
invoke_hook_first('alter_render_early', 'iframe', array('obj'=>$obj, 'elem'=>&$e, 'edit'=>$args['edit']));
$html = elem_finalize($e);
invoke_hook_last('alter_render_late', 'iframe', array('obj'=>$obj, 'html'=>&$html, 'elem'=>$e, 'edit'=>$args['edit']));
return $html;
}
function iframe_render_page_early($args)
{
if ($args['edit']) {
if (USE_MIN_FILES) {
html_add_js(base_url().'modules/iframe/iframe-edit.min.js');
} else {
html_add_js(base_url().'modules/iframe/iframe-edit.js');
}
html_add_css(base_url().'modules/iframe/iframe-edit.css');
}
}
function iframe_save_state($args)
{
$elem = $args['elem'];
$obj = $args['obj'];
if (array_shift(elem_classes($elem)) != 'iframe') {
return false;
}
// make sure the type is set
$obj['type'] = 'iframe';
$obj['module'] = 'iframe';
// hook
invoke_hook('alter_save', array('obj'=>&$obj, 'elem'=>$elem));
load_modules('glue');
$ret = save_object($obj);
if ($ret['#error']) {
log_msg('error', 'iframe_save_state: save_object returned '.quot($ret['#data']));
return false;
} else {
return true;
}
}