mirror of
https://github.com/moodle/moodle.git
synced 2025-02-21 09:52:54 +01:00
38e179a4ed
This check-in removes about 400 lines of code. I hope I have not screwed anything up. I would be grateful if people could review this change, and keep an eye on the navigation bar in modules. Any navigation bar bugs you find in the near future, feel free to file them in the tracker and assign them to me. Thanks. If not to many problems are found, I think I would like to backport this to 1.9 stable, but I am not sure that is a good idea. Opinions to the General Developer Forum please. I am about to start a thread there.
674 lines
21 KiB
PHP
674 lines
21 KiB
PHP
<?php // $Id$
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if (!isset($CFG->resource_framesize)) {
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set_config("resource_framesize", 130);
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}
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if (!isset($CFG->resource_websearch)) {
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set_config("resource_websearch", "http://google.com/");
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}
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if (!isset($CFG->resource_defaulturl)) {
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set_config("resource_defaulturl", "http://");
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}
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if (!isset($CFG->resource_filterexternalpages)) {
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set_config("resource_filterexternalpages", false);
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}
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if (!isset($CFG->resource_secretphrase)) {
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set_config("resource_secretphrase", random_string(20));
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}
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if (!isset($CFG->resource_popup)) {
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set_config("resource_popup", "");
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}
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if (!isset($CFG->resource_windowsettings)) {
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set_config("resource_windowsettings", "0");
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}
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if (!isset($CFG->resource_parametersettings)) {
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set_config("resource_parametersettings", "0");
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}
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if (!isset($CFG->resource_allowlocalfiles)) {
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set_config("resource_allowlocalfiles", "0");
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}
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if (!isset($CFG->resource_hide_repository)) {
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set_config("resource_hide_repository", "1");
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}
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if (!isset($CFG->resource_autofilerename)) {
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set_config("resource_autofilerename", "1");
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}
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if (!isset($CFG->resource_blockdeletingfile)) {
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set_config("resource_blockdeletingfile", "1");
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}
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define('RESOURCE_LOCALPATH', 'LOCALPATH');
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$RESOURCE_WINDOW_OPTIONS = array('resizable', 'scrollbars', 'directories', 'location',
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'menubar', 'toolbar', 'status', 'width', 'height');
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foreach ($RESOURCE_WINDOW_OPTIONS as $popupoption) {
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$popupoption = "resource_popup$popupoption";
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if (!isset($CFG->$popupoption)) {
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if ($popupoption == 'resource_popupheight') {
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set_config($popupoption, 450);
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} else if ($popupoption == 'resource_popupwidth') {
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set_config($popupoption, 620);
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} else {
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set_config($popupoption, 'checked');
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}
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}
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}
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if (!empty($THEME->customcorners)) {
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require_once($CFG->dirroot.'/lib/custom_corners_lib.php');
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}
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/**
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* resource_base is the base class for resource types
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*
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* This class provides all the functionality for a resource
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*/
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class resource_base {
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var $cm;
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var $course;
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var $resource;
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var $navlinks;
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/**
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* Constructor for the base resource class
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*
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* Constructor for the base resource class.
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* If cmid is set create the cm, course, resource objects.
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* and do some checks to make sure people can be here, and so on.
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*
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* @param cmid integer, the current course module id - not set for new resources
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*/
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function resource_base($cmid=0) {
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global $CFG, $COURSE;
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if ($cmid) {
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if (! $this->cm = get_coursemodule_from_id('resource', $cmid)) {
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error("Course Module ID was incorrect");
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}
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if (! $this->course = get_record("course", "id", $this->cm->course)) {
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error("Course is misconfigured");
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}
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if (! $this->resource = get_record("resource", "id", $this->cm->instance)) {
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error("Resource ID was incorrect");
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}
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$this->strresource = get_string("modulename", "resource");
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$this->strresources = get_string("modulenameplural", "resource");
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if (!$this->cm->visible and !has_capability('moodle/course:viewhiddenactivities', get_context_instance(CONTEXT_MODULE, $this->cm->id))) {
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$pagetitle = strip_tags($this->course->shortname.': '.$this->strresource);
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$navigation = build_navigation($this->navlinks, $this->cm);
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print_header($pagetitle, $this->course->fullname, $navigation, "", "", true, '', navmenu($this->course, $this->cm));
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notice(get_string("activityiscurrentlyhidden"), "$CFG->wwwroot/course/view.php?id={$this->course->id}");
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}
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} else {
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$this->course = $COURSE;
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}
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}
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/**
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* Display function does nothing in the base class
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*/
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function display() {
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}
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/**
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* Display the resource with the course blocks.
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*/
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function display_course_blocks_start() {
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global $CFG;
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global $USER;
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require_once($CFG->libdir.'/blocklib.php');
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require_once($CFG->libdir.'/pagelib.php');
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require_once($CFG->dirroot.'/course/lib.php'); //required by some blocks
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$PAGE = page_create_object(PAGE_COURSE_VIEW, $this->course->id);
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$this->PAGE = $PAGE;
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$pageblocks = blocks_setup($PAGE);
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$blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);
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/// Print the page header
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$edit = optional_param('edit', -1, PARAM_BOOL);
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if (($edit != -1) and $PAGE->user_allowed_editing()) {
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$USER->editing = $edit;
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}
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$morenavlinks = array($this->strresources => 'index.php?id='.$this->course->id,
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$this->resource->name => '');
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$PAGE->print_header($this->course->shortname.': %fullname%', $morenavlinks);
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echo '<table id="layout-table"><tr>';
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if((blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
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echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
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if (!empty($THEME->customcorners)) print_custom_corners_start();
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blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
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if (!empty($THEME->customcorners)) print_custom_corners_end();
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echo '</td>';
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}
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echo '<td id="middle-column">';
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if (!empty($THEME->customcorners)) print_custom_corners_start();
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echo '<div id="resource">';
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}
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/**
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* Finish displaying the resource with the course blocks
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*/
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function display_course_blocks_end() {
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global $CFG;
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$PAGE = $this->PAGE;
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$pageblocks = blocks_setup($PAGE);
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$blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_RIGHT]), 210);
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echo '</div>';
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if (!empty($THEME->customcorners)) print_custom_corners_end();
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echo '</td>';
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if((blocks_have_content($pageblocks, BLOCK_POS_RIGHT) || $PAGE->user_is_editing())) {
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echo '<td style="width: '.$blocks_preferred_width.'px;" id="right-column">';
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if (!empty($THEME->customcorners)) print_custom_corners_start();
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blocks_print_group($PAGE, $pageblocks, BLOCK_POS_RIGHT);
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if (!empty($THEME->customcorners)) print_custom_corners_end();
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echo '</td>';
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}
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echo '</tr></table>';
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print_footer($this->course);
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}
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function add_instance($resource) {
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// Given an object containing all the necessary data,
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// (defined by the form in mod.html) this function
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// will create a new instance and return the id number
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// of the new instance.
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$resource->timemodified = time();
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return insert_record("resource", $resource);
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}
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function update_instance($resource) {
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// Given an object containing all the necessary data,
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// (defined by the form in mod.html) this function
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// will update an existing instance with new data.
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$resource->id = $resource->instance;
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$resource->timemodified = time();
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return update_record("resource", $resource);
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}
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function delete_instance($resource) {
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// Given an object containing the resource data
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// this function will permanently delete the instance
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// and any data that depends on it.
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$result = true;
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if (! delete_records("resource", "id", "$resource->id")) {
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$result = false;
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}
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return $result;
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}
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function setup_elements(&$mform) {
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//override to add your own options
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}
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function setup_preprocessing(&$default_values){
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//override to add your own options
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}
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} /// end of class definition
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function resource_add_instance($resource) {
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global $CFG;
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$resource->type = clean_param($resource->type, PARAM_SAFEDIR); // Just to be safe
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require_once("$CFG->dirroot/mod/resource/type/$resource->type/resource.class.php");
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$resourceclass = "resource_$resource->type";
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$res = new $resourceclass();
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return $res->add_instance($resource);
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}
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function resource_update_instance($resource) {
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global $CFG;
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$resource->type = clean_param($resource->type, PARAM_SAFEDIR); // Just to be safe
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require_once("$CFG->dirroot/mod/resource/type/$resource->type/resource.class.php");
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$resourceclass = "resource_$resource->type";
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$res = new $resourceclass();
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return $res->update_instance($resource);
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}
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function resource_delete_instance($id) {
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global $CFG;
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if (! $resource = get_record("resource", "id", "$id")) {
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return false;
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}
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$resource->type = clean_param($resource->type, PARAM_SAFEDIR); // Just to be safe
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require_once("$CFG->dirroot/mod/resource/type/$resource->type/resource.class.php");
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$resourceclass = "resource_$resource->type";
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$res = new $resourceclass();
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return $res->delete_instance($resource);
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}
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function resource_user_outline($course, $user, $mod, $resource) {
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if ($logs = get_records_select("log", "userid='$user->id' AND module='resource'
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AND action='view' AND info='$resource->id'", "time ASC")) {
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$numviews = count($logs);
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$lastlog = array_pop($logs);
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$result = new object();
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$result->info = get_string("numviews", "", $numviews);
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$result->time = $lastlog->time;
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return $result;
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}
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return NULL;
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}
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function resource_user_complete($course, $user, $mod, $resource) {
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global $CFG;
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if ($logs = get_records_select("log", "userid='$user->id' AND module='resource'
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AND action='view' AND info='$resource->id'", "time ASC")) {
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$numviews = count($logs);
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$lastlog = array_pop($logs);
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$strmostrecently = get_string("mostrecently");
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$strnumviews = get_string("numviews", "", $numviews);
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echo "$strnumviews - $strmostrecently ".userdate($lastlog->time);
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} else {
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print_string("neverseen", "resource");
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}
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}
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function resource_get_participants($resourceid) {
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//Returns the users with data in one resource
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//(NONE, byt must exists on EVERY mod !!)
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return false;
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}
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function resource_get_coursemodule_info($coursemodule) {
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/// Given a course_module object, this function returns any
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/// "extra" information that may be needed when printing
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/// this activity in a course listing.
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///
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/// See get_array_of_activities() in course/lib.php
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///
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global $CFG;
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$info = NULL;
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if ($resource = get_record("resource", "id", $coursemodule->instance)) {
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if (!empty($resource->popup)) {
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$info->extra = urlencode("onclick=\"this.target='resource$resource->id'; return ".
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"openpopup('/mod/resource/view.php?inpopup=true&id=".
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$coursemodule->id.
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"','resource$resource->id','$resource->popup');\"");
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}
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require_once($CFG->libdir.'/filelib.php');
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if ($resource->type == 'file') {
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$icon = mimeinfo("icon", $resource->reference);
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if ($icon != 'unknown.gif') {
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$info->icon ="f/$icon";
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} else {
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$info->icon ="f/web.gif";
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}
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} else if ($resource->type == 'directory') {
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$info->icon ="f/folder.gif";
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}
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}
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return $info;
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}
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function resource_fetch_remote_file ($cm, $url, $headers = "" ) {
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/// Snoopy is an HTTP client in PHP
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global $CFG;
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require_once("$CFG->libdir/snoopy/Snoopy.class.inc");
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$client = new Snoopy();
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$ua = 'Moodle/'. $CFG->release . ' (+http://moodle.org';
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if ( $CFG->resource_usecache ) {
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$ua = $ua . ')';
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} else {
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$ua = $ua . '; No cache)';
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}
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$client->agent = $ua;
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$client->read_timeout = 5;
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$client->use_gzip = true;
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if (is_array($headers) ) {
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$client->rawheaders = $headers;
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}
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@$client->fetch($url);
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if ( $client->status >= 200 && $client->status < 300 ) {
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$tags = array("A" => "href=",
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"IMG" => "src=",
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"LINK" => "href=",
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"AREA" => "href=",
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"FRAME" => "src=",
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"IFRAME" => "src=",
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"FORM" => "action=");
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foreach ($tags as $tag => $key) {
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$prefix = "fetch.php?id=$cm->id&url=";
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if ( $tag == "IMG" or $tag == "LINK" or $tag == "FORM") {
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$prefix = "";
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}
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$client->results = resource_redirect_tags($client->results, $url, $tag, $key,$prefix);
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}
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} else {
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if ( $client->status >= 400 && $client->status < 500) {
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$client->results = get_string("fetchclienterror","resource"); // Client error
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} elseif ( $client->status >= 500 && $client->status < 600) {
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$client->results = get_string("fetchservererror","resource"); // Server error
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} else {
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$client->results = get_string("fetcherror","resource"); // Redirection? HEAD? Unknown error.
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}
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}
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return $client;
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}
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function resource_redirect_tags($text, $url, $tagtoparse, $keytoparse,$prefix = "" ) {
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$valid = 1;
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if ( strpos($url,"?") == FALSE ) {
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$valid = 1;
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}
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if ( $valid ) {
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$lastpoint = strrpos($url,".");
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$lastslash = strrpos($url,"/");
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if ( $lastpoint > $lastslash ) {
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$root = substr($url,0,$lastslash+1);
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} else {
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$root = $url;
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}
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if ( $root == "http://" or
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$root == "https://") {
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$root = $url;
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}
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if ( substr($root,strlen($root)-1) == '/' ) {
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$root = substr($root,0,-1);
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}
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$mainroot = $root;
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$lastslash = strrpos($mainroot,"/");
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while ( $lastslash > 9) {
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$mainroot = substr($mainroot,0,$lastslash);
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$lastslash = strrpos($mainroot,"/");
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}
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$regex = "/<$tagtoparse (.+?)>/is";
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$count = preg_match_all($regex, $text, $hrefs);
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for ( $i = 0; $i < $count; $i++) {
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$tag = $hrefs[1][$i];
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$poshref = strpos(strtolower($tag),strtolower($keytoparse));
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$start = $poshref + strlen($keytoparse);
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$left = substr($tag,0,$start);
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if ( $tag[$start] == '"' ) {
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$left .= '"';
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$start++;
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}
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$posspace = strpos($tag," ", $start+1);
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$right = "";
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if ( $posspace != FALSE) {
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$right = substr($tag, $posspace);
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}
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$end = strlen($tag)-1;
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if ( $tag[$end] == '"' ) {
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$right = '"' . $right;
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}
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$finalurl = substr($tag,$start,$end-$start+$diff);
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// Here, we could have these possible values for $finalurl:
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// file.ext Add current root dir
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// http://(domain) don't care
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// http://(domain)/ don't care
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// http://(domain)/folder don't care
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// http://(domain)/folder/ don't care
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// http://(domain)/folder/file.ext don't care
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// folder/ Add current root dir
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// folder/file.ext Add current root dir
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// /folder/ Add main root dir
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// /folder/file.ext Add main root dir
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// Special case: If finalurl contains a ?, it won't be parsed
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$valid = 1;
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if ( strpos($finalurl,"?") == FALSE ) {
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$valid = 1;
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}
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if ( $valid ) {
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if ( $finalurl[0] == "/" ) {
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$finalurl = $mainroot . $finalurl;
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} elseif ( strtolower(substr($finalurl,0,7)) != "http://" and
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strtolower(substr($finalurl,0,8)) != "https://") {
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if ( $finalurl[0] == "/") {
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$finalurl = $mainroot . $finalurl;
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} else {
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$finalurl = "$root/$finalurl";
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}
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}
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$text = str_replace($tag,"$left$prefix$finalurl$right",$text);
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}
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}
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}
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return $text;
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}
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function resource_is_url($path) {
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if (strpos($path, '://')) { // eg http:// https:// ftp:// etc
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return true;
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|
}
|
|
if (strpos($path, '/') === 0) { // Starts with slash
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function resource_get_types() {
|
|
global $CFG;
|
|
|
|
$types = array();
|
|
|
|
$standardresources = array('text','html','file','directory');
|
|
foreach ($standardresources as $resourcetype) {
|
|
$type = new object();
|
|
$type->modclass = MOD_CLASS_RESOURCE;
|
|
$type->type = "resource&type=$resourcetype";
|
|
$type->typestr = get_string("resourcetype$resourcetype", 'resource');
|
|
$types[] = $type;
|
|
}
|
|
|
|
/// Drop-in extra resource types
|
|
$resourcetypes = get_list_of_plugins('mod/resource/type');
|
|
foreach ($resourcetypes as $resourcetype) {
|
|
if (!empty($CFG->{'resource_hide_'.$resourcetype})) { // Not wanted
|
|
continue;
|
|
}
|
|
if (!in_array($resourcetype, $standardresources)) {
|
|
$type = new object();
|
|
$type->modclass = MOD_CLASS_RESOURCE;
|
|
$type->type = "resource&type=$resourcetype";
|
|
$type->typestr = get_string("resourcetype$resourcetype", 'resource');
|
|
$types[] = $type;
|
|
}
|
|
}
|
|
|
|
return $types;
|
|
}
|
|
|
|
function resource_get_view_actions() {
|
|
return array('view','view all');
|
|
}
|
|
|
|
function resource_get_post_actions() {
|
|
return array();
|
|
}
|
|
|
|
function resource_renamefiles($course, $wdir, $oldname, $name) {
|
|
global $CFG;
|
|
|
|
$status = '<p align=\"center\"><strong>'.get_string('affectedresources', 'resource').':</strong><ul>';
|
|
$updates = false;
|
|
|
|
$old = trim($wdir.'/'.$oldname, '/');
|
|
$new = trim($wdir.'/'.$name, '/');
|
|
|
|
$sql = "SELECT r.id, r.reference, r.name, cm.id AS cmid
|
|
FROM {$CFG->prefix}resource r,
|
|
{$CFG->prefix}course_modules cm,
|
|
{$CFG->prefix}modules m
|
|
WHERE r.course = '{$course->id}'
|
|
AND m.name = 'resource'
|
|
AND cm.module = m.id
|
|
AND cm.instance = r.id
|
|
AND (r.type = 'file' OR r.type = 'directory')
|
|
AND (r.reference LIKE '{$old}/%' OR r.reference = '{$old}')";
|
|
if ($resources = get_records_sql($sql)) {
|
|
foreach ($resources as $resource) {
|
|
$r = new object();
|
|
$r->id = $resource->id;
|
|
$r->reference = '';
|
|
if ($resource->reference == $old) {
|
|
$r->reference = addslashes($new);
|
|
} else {
|
|
$r->reference = addslashes(preg_replace('|^'.preg_quote($old, '|').'/|', $new.'/', $resource->reference));
|
|
}
|
|
if ($r->reference !== '') {
|
|
$updates = true;
|
|
$status .= "<li><a href=\"$CFG->wwwroot/mod/resource/view.php?id=$resource->cmid\" target=\"_blank\">$resource->name</a>: $resource->reference ==> $r->reference</li>";
|
|
if (!empty($CFG->resource_autofilerename)) {
|
|
if (!update_record('resource', $r)) {
|
|
error("Error updating resource with ID $r->id.");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$status .= '</ul></p>';
|
|
|
|
if ($updates) {
|
|
echo $status;
|
|
if (empty($CFG->resource_autofilerename)) {
|
|
notify(get_string('warningdisabledrename', 'resource'));
|
|
}
|
|
}
|
|
}
|
|
|
|
function resource_delete_warning($course, $files) {
|
|
global $CFG;
|
|
|
|
$found = array();
|
|
|
|
foreach($files as $key=>$file) {
|
|
$files[$key] = trim($file, '/');
|
|
}
|
|
$sql = "SELECT r.id, r.reference, r.name, cm.id AS cmid
|
|
FROM {$CFG->prefix}resource r,
|
|
{$CFG->prefix}course_modules cm,
|
|
{$CFG->prefix}modules m
|
|
WHERE r.course = '{$course->id}'
|
|
AND m.name = 'resource'
|
|
AND cm.module = m.id
|
|
AND cm.instance = r.id
|
|
AND (r.type = 'file' OR r.type = 'directory')";
|
|
if ($resources = get_records_sql($sql)) {
|
|
foreach ($resources as $resource) {
|
|
if ($resource->reference == '') {
|
|
continue; // top shared directory does not prevent anything
|
|
}
|
|
if (in_array($resource->reference, $files)) {
|
|
$found[$resource->id] = $resource;
|
|
} else {
|
|
foreach($files as $file) {
|
|
if (preg_match('|^'.preg_quote($file, '|').'/|', $resource->reference)) {
|
|
$found[$resource->id] = $resource;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($found)) {
|
|
|
|
print_simple_box_start("center");
|
|
echo '<p><strong>'.get_string('affectedresources', 'resource').':</strong><ul>';
|
|
foreach($found as $resource) {
|
|
echo "<li><a href=\"$CFG->wwwroot/mod/resource/view.php?id=$resource->cmid\" target=\"_blank\">$resource->name</a>: $resource->reference</li>";
|
|
}
|
|
echo '</ul></p>';
|
|
print_simple_box_end();
|
|
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
?>
|