moodle/mod/data/field/date/field.class.php

131 lines
5.4 KiB
PHP

<?php
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.org //
// //
// Copyright (C) 1999-onwards Moodle Pty Ltd http://moodle.com //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
//2/19/07: Advanced search of the date field is currently disabled because it does not track
// pre 1970 dates and does not handle blank entrys. Advanced search functionality for this field
// type can be enabled once these issues are addressed in the core API.
class data_field_date extends data_field_base {
var $type = 'date';
var $day = 0;
var $month = 0;
var $year = 0;
function display_add_field($recordid=0) {
global $DB, $OUTPUT;
if ($recordid) {
$content = (int)$DB->get_field('data_content', 'content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid));
} else {
$content = time();
}
$str = '<div title="'.s($this->field->description).'">';
$dayselector = html_writer::select_time('days', 'field_'.$this->field->id.'_day', $content);
$monthselector = html_writer::select_time('months', 'field_'.$this->field->id.'_month', $content);
$yearselector = html_writer::select_time('years', 'field_'.$this->field->id.'_year', $content);
$str .= $dayselector . $monthselector . $yearselector;
$str .= '</div>';
return $str;
}
//Enable the following three functions once core API issues have been addressed.
function display_search_field($value=0) {
$selectors = html_writer::select_time('days', 'f_'.$this->field->id.'_d', $value)
. html_writer::select_time('months', 'f_'.$this->field->id.'_m', $value)
. html_writer::select_time('years', 'f_'.$this->field->id.'_y', $value);
return $selectors;
//return print_date_selector('f_'.$this->field->id.'_d', 'f_'.$this->field->id.'_m', 'f_'.$this->field->id.'_y', $value, true);
}
function generate_sql($tablealias, $value) {
global $DB;
static $i=0;
$i++;
$name = "df_date_$i";
$varcharcontent = $DB->sql_compare_text("{$tablealias}.content");
return array(" ({$tablealias}.fieldid = {$this->field->id} AND $varcharcontent = :$name) ", array($name=>$value));
}
function parse_search_field() {
$day = optional_param('f_'.$this->field->id.'_d', 0, PARAM_INT);
$month = optional_param('f_'.$this->field->id.'_m', 0, PARAM_INT);
$year = optional_param('f_'.$this->field->id.'_y', 0, PARAM_INT);
if (!empty($day) && !empty($month) && !empty($year)) {
return make_timestamp($year, $month, $day, 12, 0, 0, 0, false);
}
else {
return 0;
}
}
function update_content($recordid, $value, $name='') {
global $DB;
$names = explode('_',$name);
$name = $names[2]; // day month or year
$this->$name = $value;
if ($this->day and $this->month and $this->year) { // All of them have been collected now
$content = new stdClass();
$content->fieldid = $this->field->id;
$content->recordid = $recordid;
$content->content = make_timestamp($this->year, $this->month, $this->day, 12, 0, 0, 0, false);
if ($oldcontent = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
$content->id = $oldcontent->id;
return $DB->update_record('data_content', $content);
} else {
return $DB->insert_record('data_content', $content);
}
}
}
function display_browse_field($recordid, $template) {
global $CFG, $DB;
if ($content = $DB->get_field('data_content', 'content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
return userdate($content, get_string('strftimedate'), 0);
}
}
function get_sort_sql($fieldname) {
global $DB;
return $DB->sql_cast_char2int($fieldname, true);
}
}