| d797e50f |
1 | <?PHP //$Id$ |
| 2 | |
| 3 | class block_tags extends block_base { |
| 4 | function init() { |
| 5 | $this->version = 2007082800; |
| 6 | $this->title = get_string('blocktagstitle', 'tag'); |
| 7 | } |
| 8 | |
| 9 | function instance_allow_multiple() { |
| 10 | return true; |
| 11 | } |
| 12 | |
| 13 | function has_config() { |
| 14 | return false; |
| 15 | } |
| 16 | |
| 17 | function applicable_formats() { |
| 18 | return array('all' => true, 'my' => false, 'tag' => false); |
| 19 | } |
| 20 | |
| 21 | function instance_allow_config() { |
| 22 | return true; |
| 23 | } |
| 24 | |
| 25 | function specialization() { |
| 26 | |
| 27 | // load userdefined title and make sure it's never empty |
| 28 | if (empty($this->config->title)) { |
| 29 | $this->title = get_string('blocktagstitle','tag'); |
| 30 | } else { |
| 31 | $this->title = $this->config->title; |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | function get_content() { |
| 36 | |
| 37 | global $CFG, $SITE, $COURSE, $USER; |
| 38 | |
| 39 | if (empty($CFG->usetags)) { |
| 40 | $this->content->text = ''; |
| 41 | return $this->content; |
| 42 | } |
| 43 | |
| 44 | if (empty($this->config->numberoftags)) { |
| 45 | $this->config->numberoftags = 80; |
| 46 | } |
| 47 | |
| 48 | if ($this->content !== NULL) { |
| 49 | return $this->content; |
| 50 | } |
| 51 | |
| 52 | if (empty($this->instance)) { |
| 53 | $this->content = ''; |
| 54 | return $this->content; |
| 55 | } |
| 56 | |
| 57 | $this->content = new stdClass; |
| 58 | $this->content->footer = ''; |
| 59 | |
| 60 | /// Get a list of tags |
| 61 | |
| 62 | include($CFG->dirroot.'/tag/lib.php'); |
| 63 | |
| 64 | $this->content->text = print_tag_cloud(popular_tags_count($this->config->numberoftags), false, 170,70, true); |
| 65 | |
| 66 | return $this->content; |
| 67 | } |
| 68 | |
| 69 | function instance_config_print() { |
| 70 | global $CFG; |
| 71 | |
| 72 | /// set up the numberoftags select field |
| 73 | $numberoftags = array(); |
| 74 | for($i=1;$i<=200;$i++) $numberoftags[$i] = $i; |
| 75 | |
| 76 | if (is_file($CFG->dirroot .'/blocks/'. $this->name() .'/config_instance.html')) { |
| 77 | print_simple_box_start('center', '', '', 5, 'blockconfigglobal'); |
| 78 | include($CFG->dirroot .'/blocks/'. $this->name() .'/config_instance.html'); |
| 79 | print_simple_box_end(); |
| 80 | } else { |
| 81 | notice(get_string('blockconfigbad'), str_replace('blockaction=', 'dummy=', qualified_me())); |
| 82 | } |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | ?> |
