PHP url_get_final_display_type函数代码示例

/**
 * Print url info and link.
 * @param object $url
 * @param object $cm
 * @param object $course
 * @return does not return
 */
function url_print_workaround($url, $cm, $course)
{
    global $OUTPUT;
    url_print_header($url, $cm, $course);
    url_print_heading($url, $cm, $course, true);
    url_print_intro($url, $cm, $course, true);
    $fullurl = url_get_full_url($url, $cm, $course);
    $display = url_get_final_display_type($url);
    if ($display == RESOURCELIB_DISPLAY_POPUP) {
        $jsfullurl = addslashes_js($fullurl);
        $options = empty($url->displayoptions) ? array() : unserialize($url->displayoptions);
        $width = empty($options['popupwidth']) ? 620 : $options['popupwidth'];
        $height = empty($options['popupheight']) ? 450 : $options['popupheight'];
        $wh = "width={$width},height={$height},toolbar=no,location=no,menubar=no,copyhistory=no,status=no,directories=no,scrollbars=yes,resizable=yes";
        $extra = "onclick=\"window.open('{$jsfullurl}', '', '{$wh}'); return false;\"";
    } else {
        if ($display == RESOURCELIB_DISPLAY_NEW) {
            $extra = "onclick=\"this.target='_blank';\"";
        } else {
            $extra = '';
        }
    }
    echo '<div class="urlworkaround">';
    print_string('clicktoopen', 'url', "<a href=\"{$fullurl}\" {$extra}>{$fullurl}</a>");
    echo '</div>';
    echo $OUTPUT->footer();
    die;
}

/**
 * Given a course_module object, this function returns any
 * "extra" information that may be needed when printing
 * this activity in a course listing.
 *
 * See {@link get_array_of_activities()} in course/lib.php
 *
 * @param object $coursemodule
 * @return object info
 */
function url_get_coursemodule_info($coursemodule)
{
    global $CFG, $DB;
    require_once "{$CFG->dirroot}/mod/url/locallib.php";
    if (!($url = $DB->get_record('url', array('id' => $coursemodule->instance), 'id, name, display, displayoptions, externalurl, parameters, intro, introformat'))) {
        return NULL;
    }
    $info = new cached_cm_info();
    $info->name = $url->name;
    //note: there should be a way to differentiate links from normal resources
    $info->icon = url_guess_icon($url->externalurl);
    $display = url_get_final_display_type($url);
    if ($display == RESOURCELIB_DISPLAY_POPUP) {
        $fullurl = "{$CFG->wwwroot}/mod/url/view.php?id={$coursemodule->id}&redirect=1";
        $options = empty($url->displayoptions) ? array() : unserialize($url->displayoptions);
        $width = empty($options['popupwidth']) ? 620 : $options['popupwidth'];
        $height = empty($options['popupheight']) ? 450 : $options['popupheight'];
        $wh = "width={$width},height={$height},toolbar=no,location=no,menubar=no,copyhistory=no,status=no,directories=no,scrollbars=yes,resizable=yes";
        $info->onclick = "window.open('{$fullurl}', '', '{$wh}'); return false;";
    } else {
        if ($display == RESOURCELIB_DISPLAY_NEW) {
            $fullurl = "{$CFG->wwwroot}/mod/url/view.php?id={$coursemodule->id}&redirect=1";
            $info->onclick = "window.open('{$fullurl}'); return false;";
        }
    }
    if ($coursemodule->showdescription) {
        // Convert intro to html. Do not filter cached version, filters run at display time.
        $info->content = format_module_intro('url', $url, $coursemodule->id, false);
    }
    return $info;
}

    $cm = get_coursemodule_from_instance('url', $url->id, $url->course, false, MUST_EXIST);
} else {
    $cm = get_coursemodule_from_id('url', $id, 0, false, MUST_EXIST);
    $url = $DB->get_record('url', array('id' => $cm->instance), '*', MUST_EXIST);
}
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
require_course_login($course, true, $cm);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('mod/url:view', $context);
add_to_log($course->id, 'url', 'view', 'view.php?id=' . $cm->id, $url->id, $cm->id);
// Update 'viewed' state if required by completion system
$completion = new completion_info($course);
$completion->set_module_viewed($cm);
$PAGE->set_url('/mod/url/view.php', array('id' => $cm->id));
if ($redirect) {
    // coming from course page or url index page,
    // the redirection is needed for completion tracking and logging
    $fullurl = url_get_full_url($url, $cm, $course);
    redirect(str_replace('&', '&', $fullurl));
}
switch (url_get_final_display_type($url)) {
    case RESOURCELIB_DISPLAY_EMBED:
        url_display_embed($url, $cm, $course);
        break;
    case RESOURCELIB_DISPLAY_FRAME:
        url_display_frame($url, $cm, $course);
        break;
    default:
        url_print_workaround($url, $cm, $course);
        break;
}

/**
 * Given a course_module object, this function returns any
 * "extra" information that may be needed when printing
 * this activity in a course listing.
 *
 * See {@link get_array_of_activities()} in course/lib.php
 *
 * @param object $coursemodule
 * @return object info
 */
function url_get_coursemodule_info($coursemodule)
{
    global $CFG, $DB;
    require_once "{$CFG->dirroot}/mod/url/locallib.php";
    if (!($url = $DB->get_record('url', array('id' => $coursemodule->instance), 'id, name, display, displayoptions, externalurl, parameters'))) {
        return NULL;
    }
    $info = new object();
    $info->name = $url->name;
    //note: there should be a way to differentiate links from normal resources
    $info->icon = url_guess_icon($url->externalurl);
    $display = url_get_final_display_type($url);
    if ($display == RESOURCELIB_DISPLAY_POPUP) {
        $fullurl = "{$CFG->wwwroot}/mod/url/view.php?id={$coursemodule->id}&redirect=1";
        $options = empty($url->displayoptions) ? array() : unserialize($url->displayoptions);
        $width = empty($options['popupwidth']) ? 620 : $options['popupwidth'];
        $height = empty($options['popupheight']) ? 450 : $options['popupheight'];
        $wh = "width={$width},height={$height},toolbar=no,location=no,menubar=no,copyhistory=no,status=no,directories=no,scrollbars=yes,resizable=yes";
        $info->extra = urlencode("onclick=\"window.open('{$fullurl}', '', '{$wh}'); return false;\"");
    } else {
        if ($display == RESOURCELIB_DISPLAY_NEW) {
            $fullurl = "{$CFG->wwwroot}/mod/url/view.php?id={$coursemodule->id}&redirect=1";
            $info->extra = urlencode("onclick=\"window.open('{$fullurl}'); return false;\"");
        } else {
            if ($display == RESOURCELIB_DISPLAY_OPEN) {
                $fullurl = "{$CFG->wwwroot}/mod/url/view.php?id={$coursemodule->id}&redirect=1";
                $info->extra = urlencode("onclick=\"window.location.href ='{$fullurl}';return false;\"");
            }
        }
    }
    return $info;
}

$PAGE->set_url('/mod/url/view.php', array('id' => $cm->id));

// Make sure URL exists before generating output - some older sites may contain empty urls
// Do not use PARAM_URL here, it is too strict and does not support general URIs!
$exturl = trim($url->externalurl);
if (empty($exturl) or $exturl === 'http://') {
    url_print_header($url, $cm, $course);
    url_print_heading($url, $cm, $course);
    url_print_intro($url, $cm, $course);
    notice(get_string('invalidstoredurl', 'url'), new moodle_url('/course/view.php', array('id'=>$cm->course)));
    die;
}
unset($exturl);

$displaytype = url_get_final_display_type($url);
if ($displaytype == RESOURCELIB_DISPLAY_OPEN) {
    // For 'open' links, we always redirect to the content - except if the user
    // just chose 'save and display' from the form then that would be confusing
    if (!isset($_SERVER['HTTP_REFERER']) || strpos($_SERVER['HTTP_REFERER'], 'modedit.php') === false) {
        $redirect = true;
    }
}

if ($redirect) {
    // coming from course page or url index page,
    // the redirection is needed for completion tracking and logging
    $fullurl = str_replace('&', '&', url_get_full_url($url, $cm, $course));

    if (!course_get_format($course)->has_view_page()) {
        // If course format does not have a view page, add redirection delay with a link to the edit page.