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MDL-23787 added possibility to embed images into textarea fields in database activity
This commit is contained in:
Marina Glancy
parent
c4a12afaf9
commit
292077063e
3 changed files with 137 additions and 18 deletions
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@ -28,6 +28,27 @@ class data_field_textarea extends data_field_base {
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var $type = 'textarea';
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/**
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* Returns options for embedded files
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*
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* @return array
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*/
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private function get_options() {
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if (!isset($this->field->param5)) {
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$this->field->param5 = 0;
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}
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$options = array();
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$options['trusttext'] = false;
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$options['forcehttps'] = false;
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$options['subdirs'] = false;
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$options['maxfiles'] = -1;
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$options['context'] = $this->context;
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$options['maxbytes'] = $this->field->param5;
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$options['changeformat'] = 0;
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$options['noclean'] = false;
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return $options;
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}
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function display_add_field($recordid=0) {
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global $CFG, $DB, $OUTPUT, $PAGE;
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@ -37,27 +58,63 @@ class data_field_textarea extends data_field_base {
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$str = '<div title="'.$this->field->description.'">';
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editors_head_setup();
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$options = array();
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$options['trusttext'] = false;
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$options['forcehttps'] = false;
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$options['subdirs'] = false;
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$options['maxfiles'] = 0;
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$options['maxbytes'] = 0;
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$options['changeformat'] = 0;
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$options['noclean'] = false;
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$options = $this->get_options();
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$itemid = $this->field->id;
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$field = 'field_'.$itemid;
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if ($recordid && $content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))){
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$text = $content->content;
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$format = $content->content1;
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$text = clean_text($text, $format);
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} else if (can_use_html_editor()) {
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$format = FORMAT_HTML;
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$text = clean_text($content->content, $format);
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$text = file_prepare_draft_area($draftitemid, $this->context->id, 'mod_data', 'content', $content->id, $options, $text);
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} else {
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$format = FORMAT_PLAIN;
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$draftitemid = file_get_unused_draft_itemid();
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if (can_use_html_editor()) {
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$format = FORMAT_HTML;
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} else {
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$format = FORMAT_PLAIN;
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}
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}
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// get filepicker info
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//
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$fpoptions = array();
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if ($options['maxfiles'] != 0 ) {
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$args = new stdClass();
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// need these three to filter repositories list
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$args->accepted_types = array('image');
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$args->return_types = (FILE_INTERNAL | FILE_EXTERNAL);
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$args->context = $this->context;
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$args->env = 'filepicker';
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// advimage plugin
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$image_options = initialise_filepicker($args);
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$image_options->context = $this->context;
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$image_options->client_id = uniqid();
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$image_options->maxbytes = $options['maxbytes'];
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$image_options->env = 'editor';
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$image_options->itemid = $draftitemid;
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// moodlemedia plugin
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$args->accepted_types = array('video', 'audio');
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$media_options = initialise_filepicker($args);
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$media_options->context = $this->context;
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$media_options->client_id = uniqid();
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$media_options->maxbytes = $options['maxbytes'];
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$media_options->env = 'editor';
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$media_options->itemid = $draftitemid;
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// advlink plugin
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$args->accepted_types = '*';
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$link_options = initialise_filepicker($args);
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$link_options->context = $this->context;
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$link_options->client_id = uniqid();
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$link_options->maxbytes = $options['maxbytes'];
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$link_options->env = 'editor';
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$link_options->itemid = $draftitemid;
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$fpoptions['image'] = $image_options;
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$fpoptions['media'] = $media_options;
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$fpoptions['link'] = $link_options;
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}
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$editor = editors_get_preferred_editor($format);
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@ -66,7 +123,8 @@ class data_field_textarea extends data_field_base {
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foreach ($formats as $fid) {
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$formats[$fid] = $strformats[$fid];
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}
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$editor->use_editor($field, $options);
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$editor->use_editor($field, $options, $fpoptions);
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$str .= '<input type="hidden" name="'.$field.'_itemid" value="'.$draftitemid.'" />';
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$str .= '<div><textarea id="'.$field.'" name="'.$field.'" rows="'.$this->field->param3.'" cols="'.$this->field->param2.'">'.s($text).'</textarea></div>';
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$str .= '<div><select name="'.$field.'_content1">';
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foreach ($formats as $key=>$desc) {
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@ -111,17 +169,68 @@ class data_field_textarea extends data_field_base {
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$names = explode('_', $name);
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if (!empty($names[2])) {
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$content->$names[2] = clean_param($value, PARAM_NOTAGS); // content[1-4]
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if ($names[2] == 'itemid') {
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// the value will be retrieved by file_get_submitted_draft_itemid, do not need to save in DB
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return true;
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} else {
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$content->$names[2] = clean_param($value, PARAM_NOTAGS); // content[1-4]
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}
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} else {
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$content->content = clean_param($value, PARAM_CLEAN);
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}
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if ($oldcontent = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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$content->id = $oldcontent->id;
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return $DB->update_record('data_content', $content);
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} else {
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return $DB->insert_record('data_content', $content);
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$content->id = $DB->insert_record('data_content', $content);
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if (!$content->id) {
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return false;
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}
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}
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if (!empty($content->content)) {
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$draftitemid = file_get_submitted_draft_itemid('field_'. $this->field->id. '_itemid');
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$options = $this->get_options();
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$content->content = file_save_draft_area_files($draftitemid, $this->context->id, 'mod_data', 'content', $content->id, $options, $content->content);
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}
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$rv = $DB->update_record('data_content', $content);
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return $rv;
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}
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/**
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* Display the content of the field in browse mode
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*
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* @param int $recordid
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* @param object $template
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* @return bool|string
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*/
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function display_browse_field($recordid, $template) {
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global $DB;
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if ($content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid))) {
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if (isset($content->content)) {
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$options = new stdClass();
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if ($this->field->param1 == '1') { // We are autolinking this field, so disable linking within us
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$options->filter = false;
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}
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$options->para = false;
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$str = file_rewrite_pluginfile_urls($content->content, 'pluginfile.php', $this->context->id, 'mod_data', 'content', $content->id, $this->get_options());
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$str = format_text($str, $content->content1, $options);
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} else {
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$str = '';
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}
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return $str;
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}
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return false;
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}
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/**
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* Whether this module support files
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*
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* @param string $relativepath
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* @return bool
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*/
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function file_ok($relativepath) {
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return true;
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}
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}
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@ -24,4 +24,6 @@
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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$string['maxbytes'] = 'Maximum embedded file size (bytes)';
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$string['maxbytes_desc'] = 'If set to zero will be unlimited by default';
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$string['pluginname'] = 'Text area';
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@ -38,5 +38,13 @@
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?> /> <?php echo get_string('rows', 'data'); ?>
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</td>
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</tr>
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<tr>
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<td class="c0"><label for="param5"><?php echo get_string('maxbytes', 'datafield_textarea'); ?></label></td>
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<td class="c1">
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<input class="c1" type="text" name="param5" id="param5"
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value="<?php if (isset($this->field->param5)) { p($this->field->param5); } else { echo '0'; } ?>" />
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<?php echo get_string('maxbytes_desc', 'datafield_textarea'); ?>
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</td>
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</tr>
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</table>
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<input type="hidden" name="param4" id="param4" value="<?php echo FORMAT_HTML; ?>" />
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