Dan Poltawski
0e9e95a9f6
This is fixed sensibly in the Moodle 2.0 block api by not displaying the block header html with empty content..
103 lines
3.6 KiB
PHP
Executable File
103 lines
3.6 KiB
PHP
Executable File
<?php //$Id$
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class block_html extends block_base {
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function init() {
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$this->title = get_string('html', 'block_html');
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$this->version = 2007101509;
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}
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function applicable_formats() {
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return array('all' => true);
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}
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function specialization() {
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$this->title = isset($this->config->title) ? format_string($this->config->title) : format_string(get_string('newhtmlblock', 'block_html'));
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}
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function instance_allow_multiple() {
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return true;
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}
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function get_content() {
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if ($this->content !== NULL) {
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return $this->content;
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}
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if (!empty($this->instance->pinned) or $this->instance->pagetype === 'course-view') {
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// fancy html allowed only on course page and in pinned blocks for security reasons
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$filteropt = new stdClass;
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$filteropt->noclean = true;
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} else {
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$filteropt = null;
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}
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$this->content = new stdClass;
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$this->content->text = isset($this->config->text) ? format_text($this->config->text, FORMAT_HTML, $filteropt) : '';
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$this->content->footer = '';
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unset($filteropt); // memory footprint
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return $this->content;
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}
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/**
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* Will be called before an instance of this block is backed up, so that any links in
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* any links in any HTML fields on config can be encoded.
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* @return string
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*/
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function get_backup_encoded_config() {
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/// Prevent clone for non configured block instance. Delegate to parent as fallback.
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if (empty($this->config)) {
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return parent::get_backup_encoded_config();
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}
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$data = clone($this->config);
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$data->text = backup_encode_absolute_links($data->text);
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return base64_encode(serialize($data));
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}
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/**
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* This function makes all the necessary calls to {@link restore_decode_content_links_worker()}
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* function in order to decode contents of this block from the backup
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* format to destination site/course in order to mantain inter-activities
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* working in the backup/restore process.
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*
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* This is called from {@link restore_decode_content_links()} function in the restore process.
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*
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* NOTE: There is no block instance when this method is called.
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*
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* @param object $restore Standard restore object
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* @return boolean
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**/
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function decode_content_links_caller($restore) {
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global $CFG;
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if ($restored_blocks = get_records_select("backup_ids","table_name = 'block_instance' AND backup_code = $restore->backup_unique_code AND new_id > 0", "", "new_id")) {
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$restored_blocks = implode(',', array_keys($restored_blocks));
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$sql = "SELECT bi.*
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FROM {$CFG->prefix}block_instance bi
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JOIN {$CFG->prefix}block b ON b.id = bi.blockid
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WHERE b.name = 'html' AND bi.id IN ($restored_blocks)";
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if ($instances = get_records_sql($sql)) {
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foreach ($instances as $instance) {
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$blockobject = block_instance('html', $instance);
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$blockobject->config->text = restore_decode_absolute_links($blockobject->config->text);
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$blockobject->config->text = restore_decode_content_links_worker($blockobject->config->text, $restore);
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$blockobject->instance_config_commit($blockobject->pinned);
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}
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}
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}
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return true;
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}
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/*
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* Hide the title bar when none set..
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*/
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function hide_header(){
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return empty($this->config->title);
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}
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}
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?>
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