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changes to block code
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jpuntd
parent
1d533faf92
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162
blocks/glossary_random/block_glossary_random.php
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162
blocks/glossary_random/block_glossary_random.php
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<?PHP
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define("RANDOMLY", "0");
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define("LASTMODIFIED", "1");
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define("NEXTONE","2");
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class block_glossary_random extends block_base {
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function init() {
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$this->title = get_string('blockname','block_glossary_random');
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$this->content_type = BLOCK_TYPE_TEXT;
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$this->version = 2005010300;
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}
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function specialization() {
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global $CFG;
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$this->course = get_record('course', 'id', $this->instance->pageid);
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// load userdefined title and make sure it's never empty
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if (empty($this->config->title)) {
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$this->title = get_string('blockname','block_glossary_random');
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} else {
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$this->title = $this->config->title;
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}
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//check if it's time to put a new entry in cache
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if (time() > $this->config->nexttime) {
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// place glossary concept and definition in $pref->cache
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$numberofentries = count_records("glossary_entries","glossaryid",$this->config->glossary,"approved",1)-1;
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switch ($this->config->type) {
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case RANDOMLY:
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$i = rand(0,$numberofentries);
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break;
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case NEXTONE:
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$i = 1 + $this->config->previous;
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if ($i < $numberofentries) {
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break;
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}
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//otherwise fall through
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case LASTMODIFIED:
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$i=$numberofentries;
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break;
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}
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if ($entries = get_records_sql("SELECT concept, definition, format FROM {$CFG->prefix}glossary_entries WHERE glossaryid = {$this->config->glossary} and approved = 1 ORDER BY timemodified LIMIT {$i},1")) {
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// get all entries, normally there is only one entry returned
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foreach ($entries as $entry) {
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$text = "<b> $entry->concept</b><br>";
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$text .= format_text($entry->definition, $entry->format);
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}
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$this->config->nexttime = usergetmidnight(time())+60*60*24*$this->config->refresh;
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$this->config->previous = $i;
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} else {
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$text = get_string('notyetconfigured','block_glossary_random');
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}
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// store the text
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$this->config->cache= $text;
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parent::instance_config_save($this->config);
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}
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}
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function instance_allow_multiple() {
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// Are you going to allow multiple instances of each block?
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// If yes, then it is assumed that the block WILL USE per-instance configuration
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return true;
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}
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function instance_config_print() {
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global $CFG;
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if (empty($this->config->nexttime)) {
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// ... teacher has not yet configured the block, let's put some default values here to explain things
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$this->config->title = get_string('blockname','block_glossary_random');
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$this->config->refresh = 0;
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$this->config->cache= get_string("notyetconfigured","block_glossary_random");
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$this->config->addentry=get_string("addentry", "block_glossary_random");
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$this->config->viewglossary=get_string("viewglossary", "block_glossary_random");
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$this->config->invisible=get_string("invisible", "block_glossary_random");
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}
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// select glossaries to put in dropdown box ...
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$glossaries = get_records_select_menu("glossary", "course=".$this->course->id,"name","id,name");
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// and select quotetypes to put in dropdown box
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$type[0] = get_string("random","block_glossary_random");
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$type[1] = get_string("lastmodified","block_glossary_random");
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$type[2] = get_string("nextone","block_glossary_random");
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$this->config->nexttime = usergetmidnight(time())+24*60*60*$this->config->refresh;
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// display the form
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if (is_file($CFG->dirroot .'/blocks/'. $this->name() .'/config_instance.html')) {
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print_simple_box_start('center', '', '', 5, 'blockconfigglobal');
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include($CFG->dirroot .'/blocks/'. $this->name() .'/config_instance.html');
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print_simple_box_end();
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} else {
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notice(get_string('blockconfigbad'), str_replace('blockaction=', 'dummy=', qualified_me()));
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}
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return true;
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}
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function get_content() {
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global $USER, $CFG;
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if($this->content !== NULL) {
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return $this->content;
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}
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$this->content = new stdClass;
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$this->content->text = $this->config->cache;
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// place link to glossary in the footer if the glossary is visible
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$glossaryid = $this->config->glossary;
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$glossary=get_record("glossary", "id", $glossaryid);
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$studentcanpost = $glossary->studentcanpost; //needed to decide on which footer
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//Create a temp valid module structure (course,id)
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$tempmod->course = $this->course->id;
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$tempmod->id = $glossaryid;
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//Obtain the visible property from the instance
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if (instance_is_visible('glossary', $tempmod)) {
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$cm = get_coursemodule_from_instance('glossary',$glossaryid, $this->course->id) ;
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if ($studentcanpost) {
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$footertext = $this->config->addentry;
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} else {
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$footertext = $this->config->viewglossary;
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}
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$this->content->footer = '<a href="'.$CFG->wwwroot.'/mod/glossary/'
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.(($studentcanpost == 1)?'edit':'view').'.php?id='.$cm->id
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.'" title="'.$footertext.'">'.$footertext.'</a>';
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// otherwise just place some text, no link
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} else {
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$this->content->footer = $this->config->invisible;
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}
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return $this->content;
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}
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function hide_header() {
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if ($this->config->title == "") {
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return true;
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} else {
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return false;
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}
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}
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}
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?>
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40
blocks/glossary_random/config_instance.html
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40
blocks/glossary_random/config_instance.html
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<table cellpadding="9" cellspacing="0">
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<tr valign=top>
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<td align=right><?php print_string("title","block_glossary_random") ?>:</td>
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<td><input type="text" name="title" size="50" value="<?php p($this->config->title) ?>" /></td>
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</tr>
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<tr valign=top>
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<td align=right><?php print_string("select_glossary","block_glossary_random") ?>:</td>
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<td><?php choose_from_menu($glossaries,"glossary",$this->config->glossary) ?></td>
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</tr>
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<tr valign=top>
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<td align=right><?php print_string("refresh","block_glossary_random") ?>:</td>
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<td><input type="text" name="refresh" size="5" value="<?php p($this->config->refresh) ?>" /></td>
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</tr>
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<tr valign=top>
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<td align=right><?php print_string("type","block_glossary_random") ?>:</td>
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<td><?php
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choose_from_menu($type, "type", $this->config->type, "");
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helpbutton("",get_string("type","block_glossary_random"),"moodle",true,false,get_string("typehelp","block_glossary_random"));
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?></td>
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</tr>
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<tr>
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<td colspan="2">
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<b><?php print_string("aboutfooter","block_glossary_random") ?>:</b></td></tr>
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<tr valign=top>
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<td align="right"><?php print_string("askaddentry", "block_glossary_random") ?>:</td>
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<td><input type="text" name="addentry" size="80" value="<?php p($this->config->addentry) ?>" /></td></tr>
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<tr valign=top>
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<td align="right"><?php print_string("askviewglossary", "block_glossary_random") ?>:</td>
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<td><input type="text" name="viewglossary" size="80" value="<?php p($this->config->viewglossary) ?>" /></td></tr>
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<tr valign=top>
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<td align="right"><?php print_string("askinvisible", "block_glossary_random") ?>:</td>
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<td><input type="text" name="invisible" size="80" value="<?php p($this->config->invisible) ?>" /></td></tr>
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<tr>
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<td colspan="2" align="center"><input type="submit" value="<?php print_string("savechanges") ?>"></td></tr>
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</table>
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