/**
* Renders the tag search page
*
* @param string $query
* @param int $tagcollid
* @return string
*/
public function tag_search_page($query = '', $tagcollid = 0)
{
$rv = $this->output->heading(get_string('searchtags', 'tag'), 2);
$searchbox = $this->search_form($query, $tagcollid);
$rv .= html_writer::div($searchbox, '', array('id' => 'tag-search-box'));
$tagcloud = core_tag_collection::get_tag_cloud($tagcollid, '', 150, 'name', $query);
$searchresults = '';
if ($tagcloud->get_count()) {
$searchresults = $this->output->render_from_template('core_tag/tagcloud', $tagcloud->export_for_template($this->output));
$rv .= html_writer::div($searchresults, '', array('id' => 'tag-search-results'));
} else {
if (strval($query) !== '') {
$rv .= '<div class="tag-search-empty">' . get_string('notagsfound', 'tag', s($query)) . '</div>';
}
}
return $rv;
}
/**
* Prints or returns a HTML tag cloud with varying classes styles depending on the popularity and type of each tag.
*
* @deprecated since 3.1
*
* @param array $tagset Array of tags to display
* @param int $nr_of_tags Limit for the number of tags to return/display, used if $tagset is null
* @param bool $return if true the function will return the generated tag cloud instead of displaying it.
* @param string $sort (optional) selected sorting, default is alpha sort (name) also timemodified or popularity
* @return string|null a HTML string or null if this function does the output
*/
function tag_print_cloud($tagset = null, $nr_of_tags = 150, $return = false, $sort = '')
{
global $OUTPUT;
debugging('Function tag_print_cloud() is deprecated and replaced with function core_tag_collection::get_tag_cloud(), ' . 'templateable core_tag\\output\\tagcloud and template core_tag/tagcloud.', DEBUG_DEVELOPER);
// Set up sort global - used to pass sort type into core_tag_collection::cloud_sort through usort() avoiding multiple sort functions.
if ($sort == 'popularity') {
$sort = 'count';
} else {
if ($sort == 'date') {
$sort = 'timemodified';
} else {
$sort = 'name';
}
}
if (is_null($tagset)) {
// No tag set received, so fetch tags from database.
// Always add query by tagcollid even when it's not known to make use of the table index.
$tagcloud = core_tag_collection::get_tag_cloud(0, false, $nr_of_tags, $sort);
} else {
$tagsincloud = $tagset;
$etags = array();
foreach ($tagsincloud as $tag) {
$etags[] = $tag;
}
core_tag_collection::$cloudsortfield = $sort;
usort($tagsincloud, "core_tag_collection::cloud_sort");
$tagcloud = new \core_tag\output\tagcloud($tagsincloud);
}
$output = $OUTPUT->render_from_template('core_tag/tagcloud', $tagcloud->export_for_template($OUTPUT));
if ($return) {
return $output;
} else {
echo $output;
}
}
public function get_content()
{
global $CFG, $COURSE, $USER, $SCRIPT, $OUTPUT;
if (empty($CFG->usetags)) {
$this->content = new stdClass();
$this->content->text = '';
if ($this->page->user_is_editing()) {
$this->content->text = get_string('disabledtags', 'block_tags');
}
return $this->content;
}
if (!isset($this->config)) {
$this->config = new stdClass();
}
if (empty($this->config->numberoftags)) {
$this->config->numberoftags = 80;
}
if (empty($this->config->showstandard)) {
$this->config->showstandard = core_tag_tag::BOTH_STANDARD_AND_NOT;
}
if (empty($this->config->ctx)) {
$this->config->ctx = 0;
}
if (empty($this->config->rec)) {
$this->config->rec = 1;
}
if (empty($this->config->tagcoll)) {
$this->config->tagcoll = 0;
}
if ($this->content !== NULL) {
return $this->content;
}
if (empty($this->instance)) {
$this->content = '';
return $this->content;
}
$this->content = new stdClass();
$this->content->text = '';
$this->content->footer = '';
// Get a list of tags.
$tagcloud = core_tag_collection::get_tag_cloud($this->config->tagcoll, $this->config->showstandard == core_tag_tag::STANDARD_ONLY, $this->config->numberoftags, 'name', '', $this->page->context->id, $this->config->ctx, $this->config->rec);
$this->content->text = $OUTPUT->render_from_template('core_tag/tagcloud', $tagcloud->export_for_template($OUTPUT));
return $this->content;
}
