egroupware_official/etemplate/inc/class.date_widget.inc.php

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<?php
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/**
* eGroupWare eTemplate Extension - Date Widget
*
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @copyright 2002-9 by RalfBecker@outdoor-training.de
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* @package etemplate
* @subpackage extensions
* @version $Id$
*/
/**
* eTemplate extension to input or display date and/or time values
*
* Contains the following widgets: Date, Date+Time, Time, Hour, Duration
*
* Supported attributes: format[,options]
* format: '' = timestamps or automatic conversation, or eg. 'Y-m-d H:i:s' for 2002-12-31 23:59:59
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* options: &1 = year is int-input not selectbox, &2 = show a [Today] button, (html-UI always uses jscal and dont care for &1+&2)
* &4 = 1min steps for time (default is 5min, with fallback to 1min if value is not in 5min-steps),
* &8 = dont show time for readonly and type date-time if time is 0:00,
* &16 = prefix r/o display with dow
* &32 = prefix r/o display with week-number
* &64 = prefix r/o display with weeknumber and dow
* &128 = no icon to trigger popup, click into input trigers it, also removing the separators to save space
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* This widget is independent of the UI as it only uses etemplate-widgets and has therefor no render-function.
* Uses the adodb datelibary to overcome the windows-limitation to not allow dates before 1970
*/
class date_widget
{
/**
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* exported methods of this class
* @var array
*/
var $public_functions = array(
'pre_process' => True,
'post_process' => True
);
/**
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* available extensions and there names for the editor
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* @var array
*/
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var $human_name = array(
'date' => 'Date', // just a date, no time
'date-time' => 'Date+Time', // date + time
'date-timeonly' => 'Time', // time
'date-houronly' => 'Hour', // hour
'date-duration' => 'Duration', // duration
'date-since' => 'Time since', // time past since given time
);
var $dateformat; // eg. Y-m-d, d-M-Y
var $timeformat; // 12 or 24
/**
* Reference to global jscalencar object
*
* @var jscalendar
*/
var $jscal;
/**
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* Constructor of the extension
*
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* @param string $ui '' for html
*/
function date_widget($ui)
{
if ($ui == 'html')
{
$this->jscal = $GLOBALS['egw']->jscalendar;
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}
$this->timeformat = $GLOBALS['egw_info']['user']['preferences']['common']['timeformat'];
$this->dateformat = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'];
}
/**
* pre-processing of the extension
*
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* This function is called before the extension gets rendered
*
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* @param string $name form-name of the control
* @param mixed &$value value / existing content, can be modified
* @param array &$cell array with the widget, can be modified for ui-independent widgets
* @param array &$readonlys names of widgets as key, to be made readonly
* @param mixed &$extension_data data the extension can store persisten between pre- and post-process
* @param object &$tmpl reference to the template we belong too
* @return boolean true if extra label is allowed, false otherwise
*/
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function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
{
//echo "<p>".__METHOD__."($name,$value=".egw_time::to($value).",".array2string($cell).")</p>\n";
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$type = $cell['type'];
switch ($type)
{
case 'date-duration':
return $this->pre_process_duration($name,$value,$cell,$readonlys,$extension_data,$tmpl);
}
list($data_format,$options,$options2) = explode(',',$cell['size']);
if ($type == 'date-houronly' && empty($data_format)) $data_format = 'H';
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$readonly = $cell['readonly'] || $readonlys || $type == 'date-since';
if (!$readonly) // dont set extension-data on readonly, it's not needed and can conflict with other widgets
{
$extension_data = array(
'type' => $type,
'data_format' => $data_format,
);
}
// automatic convert db timestamps to unix timestamps, our db class does the reverse on writing them
if ($value && !$data_format && !is_numeric($value) && ($v = strtotime($value)))
{
$value = $value === '0000-00-00 00:00:00' ? null : $v;
}
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// for date-(time|hour)only widgets we distinct between between 0 and ''/null timestamps
if (!$value && ($type != 'date-timeonly' && $type != 'date-houronly' || (string)$value === ''))
{
$value = array(
'Y' => '',
'm' => '',
'd' => '',
'H' => '',
'i' => '',
);
}
elseif (!is_object($value) && $data_format != '') // we ignore format for objects
{
$date = preg_split('/[- \\/.:,]/',$value);
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//echo "date=<pre>"; print_r($date); echo "</pre>";
$mdy = preg_split('/[- \\/.:,]/',$data_format);
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if (count($mdy) == 1) // no seperators, eg. YmdHi
{
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for($n = $i = 0; $n < strlen($data_format); ++$n)
{
$mdy[$n] = $data_format[$n];
$len = $data_format[$n] == 'Y' ? 4 : 2;
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$date[$n] = substr($value,$i,$len);
$i += $len;
}
}
$value = array();
foreach ($date as $n => $dat)
{
switch($mdy[$n])
{
case 'Y': $value['Y'] = (int) $dat; break;
case 'm': $value['m'] = (int) $dat; break;
case 'd': $value['d'] = (int) $dat; break;
case 'H': $value['H'] = (int) $dat; break;
case 'i': $value['i'] = (int) $dat; break;
}
}
}
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else
{
// for the timeformats we use only seconds, no timezone conversation between server-time and UTC
if (substr($type,-4) == 'only' && is_numeric($value)) $value -= adodb_date('Z',0);
$value = egw_time::to($value,'date_array');
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}
if ($type == 'date-since')
{
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return $this->pre_process_since($value,$cell);
}
$time_0h0 = !(int)$value['H'] && !(int)$value['i'];
$timeformat = array(3 => 'H', 4 => 'i');
if ($this->timeformat == '12' && $readonly && $value['H'] !== '')
{
$value['a'] = $value['H'] < 12 ? 'am' : 'pm';
$value['H'] = $value['H'] % 12 ? $value['H'] % 12 : 12; // no leading 0 and 0h => 12am
$timeformat += array(5 => 'a');
}
$format = preg_split('/[\\/.-]/',$this->dateformat);
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// no time also if $options&8 and readonly and time=0h0
if ($type != 'date' && !($readonly && ($options & 8) && $time_0h0))
{
$format += $timeformat;
}
if ($value['m'] && strchr($this->dateformat,'M') !== false)
{
static $month = array('','January','February','March','April','May','June','July','August','September','October','November','December');
static $substr;
if (is_null($substr)) $substr = function_exists('mb_substr') ? 'mb_substr' : 'substr';
static $chars_shortcut;
if (is_null($chars_shortcut)) $chars_shortcut = (int)lang('3 number of chars for month-shortcut'); // < 0 to take the chars from the end
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$value['M'] = lang($m = substr($month[$value['m']],0,3)); // check if we have a translation of the short-cut
if ($value['M'] == $m || $substr($value['M'],-1) == '*') // if not generate one by truncating the translation of the long name
{
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$value['M'] = $chars_shortcut > 0 ? $substr(lang($month[$value['m']]),0,$chars_shortcut) :
$substr(lang($month[$value['m']]),$chars_shortcut);
}
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}
if ($readonly) // is readonly
{
if ($value['H'] === '') unset($value['a']); // no am/pm if no hour set
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$sep = array(
1 => $this->dateformat[1],
2 => $this->dateformat[1],
3 => ' ',
4 => ':'
);
for ($str='',$n = substr($type,-4) == 'only' ? 3 : 0; $n < count($format); ++$n)
{
if ($value[$format[$n]] && $n < 3 || $n >= 3 && ($value[$format[3]] !== '' || $value[$format[4]] !== ''))
{
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if (!$n && $options & 16 )
{
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$str = lang(adodb_date('l',adodb_mktime(12,0,0,$value['m'],$value['d'],$value['Y']))).' ';
}
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if (!$n && $options & 32 )
{
$str = lang('Wk').adodb_date('W',adodb_mktime(12,0,0,$value['m'],$value['d'],$value['Y'])).' ';
}
if (!$n && $options & 64 )
{
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$str = lang('Wk').adodb_date('W',adodb_mktime(12,0,0,$value['m'],$value['d'],$value['Y'])).' '.lang(adodb_date('l',adodb_mktime(12,0,0,$value['m'],$value['d'],$value['Y']))).' ';
}
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$str .= ($str != '' ? $sep[$n] : '') .
(is_numeric($value[$format[$n]]) ? sprintf('%02d',$value[$format[$n]]) : $value[$format[$n]]);
}
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if ($type == 'date-houronly') ++$n; // no minutes
}
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$value = $str;
$cell['type'] = 'label';
if (!$cell['no_lang'])
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{
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$cell['no_lang'] = True;
$cell['label'] = strlen($cell['label']) > 1 ? lang($cell['label']) : $cell['label'];
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}
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unset($cell['size']);
return True;
}
if ($cell['needed'])
{
etemplate_old::$request->set_to_process($name,'ext-'.$type,array(
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'needed' => $cell['needed'],
));
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}
$tpl = new etemplate_old;
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$tpl->init('*** generated fields for date','','',0,'',0,0); // make an empty template
// keep the editor away from the generated tmpls
$tpl->no_onclick = true;
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$types = array(
'Y' => ($options&1 ? 'int' : 'select-year'), // if options&1 set, show an int-field
'm' => 'select-month',
'M' => 'select-month',
'd' => 'select-day',
'H' => 'select-hour',
'i' => 'select-number'
);
$opts = array(
'H' => $this->timeformat == '12' ? ',0,12' : ',0,23,01',
'i' => $value['i'] % 5 || $options & 4 ? ',0,59,01' : ',0,59,05' // 5min steps, if ok with value
);
$help = array(
'Y' => 'Year',
'm' => 'Month',
'M' => 'Month',
'd' => 'Day',
'H' => 'Hour',
'i' => 'Minute'
);
$row = array();
for ($i=0,$n= substr($type,-4) == 'only' ? 3 : 0; $n < ($type == 'date' ? 3 : 5); ++$n,++$i)
{
$dcell = $tpl->empty_cell();
if ($cell['tabindex']) $dcell['tabindex'] = $cell['tabindex'];
if (!$i && $cell['accesskey']) $dcell['accesskey'] = $cell['accesskey'];
// test if we can use jsCalendar
if ($n == 0 && $this->jscal && $tmpl->java_script())
{
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$dcell['type'] = 'html';
$dcell['name'] = 'str';
$cname_parts = array_splice(explode('[',str_replace(']','',$name)), 0, -count(explode('[',str_replace(']','',$cell['name']))));
$cname = array_shift($cname_parts);
if ($cname_parts) $cname .= '['.implode('][', $cname_parts).']';
$jscaloptions = $cell['onchange'] ? ( ' onchange="'. ( (int)$cell['onchange'] === 1 ? 'this.form.submit();"' : $tmpl->js_pseudo_funcs($cell['onchange'],$cname). '"' ) ) : '' ;
$value['str'] = $this->jscal->input($name.'[str]',False,$value['Y'],$value['m'],$value['d'],lang($cell['help']),$jscaloptions,false,!($options & 128));
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$n = 2; // no other fields
$options &= ~2; // no set-today button
}
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else
{
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$dcell['type'] = $types[$format[$n]];
$dcell['size'] = $opts[$format[$n]];
$dcell['name'] = $format[$n];
$dcell['help'] = lang($help[$format[$n]]).': '.lang($cell['help']); // note: no lang on help, already done
}
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if ($n == 4)
{
$dcell['label'] = $options & 128 ? '' : ':'; // put a : between hour and minute
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}
$dcell['no_lang'] = 2;
$row[$tpl->num2chrs($i)] = &$dcell;
unset($dcell);
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if ($n == 2 && ($options & 2)) // Today button
{
$dcell = $tpl->empty_cell();
if ($cell['tabindex']) $dcell['tabindex'] = $cell['tabindex'];
$dcell['name'] = 'today';
$dcell['label'] = 'Today';
$dcell['help'] = 'sets today as date';
$dcell['no_lang'] = True;
if (($js = $tmpl->java_script()))
{
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$dcell['needed'] = True; // to get a button
$dcell['onchange'] = "this.form.elements['$name"."[Y]'].value='".adodb_date('Y')."'; this.form.elements['$name"."[m]'].value='".adodb_date('n')."';this.form.elements['$name"."[d]'].value='".(0+adodb_date('d'))."'; return false;";
}
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$dcell['type'] = $js ? 'button' : 'checkbox';
$row[$tpl->num2chrs(++$i)] = &$dcell;
unset($dcell);
}
if ($n == 2 && $type == 'date-time' && !($options & 128)) // insert some space between date+time
{
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$dcell = $tpl->empty_cell();
$dcell['type'] = 'html';
$dcell['name'] = 'space';
$value['space'] = ' &nbsp; &nbsp; ';
$row[$tpl->num2chrs(++$i)] = &$dcell;
unset($dcell);
}
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if ($type == 'date-houronly') $n++; // no minutes
}
$tpl->data[0] = array();
$tpl->data[1] = &$row;
$tpl->set_rows_cols();
$tpl->size = ',,,,0';
$cell['size'] = $cell['name'];
$cell['type'] = 'template';
$cell['name'] = $tpl->name;
$cell['obj'] = &$tpl;
$cell['span'] .= (strpos($cell['span'],',')===false?',':'').($cell['span']?' ':'').'eTdate';
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return True; // extra Label is ok
}
/**
* pre-processing of the duration extension
*
* Options contain $data_format,$input_format,$hours_per_day,$empty_not_0,$short_labels
* 1. data_format: d = days, h = hours, m = minutes, default minutes
* 2. input_format: d = days, h = hours, m = minutes, default hours+days (selectbox), optional % = allow to enter a percent value (no conversation)
* 3. hours_per_day: default 8 (workday)
* 4. should the widget differ between 0 and empty, which get then returned as NULL
* 5. short_labels use d/h/m instead of day/hour/minute
*
* @param string $name form-name of the control
* @param mixed &$value value / existing content, can be modified
* @param array &$cell array with the widget, can be modified for ui-independent widgets
* @param array &$readonlys names of widgets as key, to be made readonly
* @param mixed &$extension_data data the extension can store persisten between pre- and post-process
* @param object &$tmpl reference to the template we belong too
* @return boolean true if extra label is allowed, false otherwise
*/
function pre_process_duration($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
{
//echo "<p>pre_process_duration($name,$value,...) cell[size]='$cell[size]'</p>\n";
$readonly = $readonlys || $cell['readonly'];
list($data_format,$input_format,$hours_per_day,$empty_not_0,$short_labels) = explode(',',$cell['size']);
if (!$hours_per_day) $hours_per_day = 8; // workday is 8 hours
if (($percent_allowed = strpos($input_format,'%') !== false))
{
$input_format = str_replace('%','',$input_format);
}
if (!in_array($input_format,array('d','h','dh','m','hm','dhm'))) $input_format = 'dh'; // hours + days
$unit = $input_format == 'd' ? 'd' : 'h';
if (!$readonly) // dont set extension-data on readonly, it's not needed and can conflict with other widgets
{
$extension_data = array(
'type' => $cell['type'],
'data_format' => $data_format,
'unit' => $unit,
'input_format' => $input_format,
'hours_per_day' => $hours_per_day,
'percent_allowed'=> $percent_allowed,
'empty_not_0' => $empty_not_0,
);
$cell['size'] = '4,,/^-?[0-9]*[,.]?[0-9]*'.($percent_allowed ? '%?' : '').'$/';
}
if ($value)
{
switch($data_format)
{
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case 'd':
$value *= $hours_per_day;
// fall-through
case 'h': case 'H':
$value *= 60;
break;
}
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}
$cell['type'] = 'text';
$cell_name = $cell['name'];
$cell['name'] .= '[value]';
if (strpos($input_format,'m') !== false && $value && $value < 60)
{
$unit = 'm';
}
elseif (strpos($input_format,'d') !== false && $value >= 60*$hours_per_day)
{
$unit = 'd';
}
$value = $empty_not_0 && (string) $value === '' || !$empty_not_0 && !$value ? '' :
($unit == 'm' ? (int) $value : round($value / 60 / ($unit == 'd' ? $hours_per_day : 1),3));
// use decimal separator from user prefs
if (($sep = $GLOBALS['egw_info']['user']['preferences']['common']['number_format'][0]) && $sep != '.')
{
$value = str_replace('.',$sep,$value);
}
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if (!$readonly && strlen($input_format) > 1) // selectbox to switch between hours and days
{
$value = array(
'value' => $value,
'unit' => $unit,
);
$tpl = new etemplate_old;
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$tpl->init('*** generated fields for duration','','',0,'',0,0); // make an empty template
// keep the editor away from the generated tmpls
$tpl->no_onclick = true;
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$selbox =& $tpl->empty_cell('select',$cell_name.'[unit]');
if (strpos($input_format,'m') !== false) $selbox['sel_options']['m'] = $short_labels ? 'm' : 'minutes';
if (strpos($input_format,'h') !== false) $selbox['sel_options']['h'] = $short_labels ? 'h' : 'hours';
if (strpos($input_format,'d') !== false) $selbox['sel_options']['d'] = $short_labels ? 'd' : 'days';
if ($cell['tabindex']) $selbox['tabindex'] = $cell['tabindex'];
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$tpl->data[0] = array();
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$tpl->data[1] =array(
'A' => $cell,
'B' => $selbox,
);
$tpl->set_rows_cols();
$tpl->size = ',,,,0';
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unset($cell['size']);
$cell['type'] = 'template';
$cell['name'] = $tpl->name;
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unset($cell['label']);
$cell['obj'] = &$tpl;
}
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elseif (!$readonly || $value)
{
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$cell['no_lang'] = 2;
$cell['label'] .= ($cell['label'] ? ' ' : '') . '%s ';
switch($unit)
{
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case 'm': $cell['label'] .= $short_labels ? 'm' : lang('minutes'); break;
case 'h': $cell['label'] .= $short_labels ? 'h' : lang('hours'); break;
case 'd': $cell['label'] .= $short_labels ? 'd' : lang('days'); break;
}
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}
return True; // extra Label is ok
}
/**
* pre-processing of the time since extension
*
* @param array &$value value / existing content, can be modified
* @param array &$cell array with the widget, can be modified for ui-independent widgets
* @return boolean true if extra label is allowed, false otherwise
*/
function pre_process_since(&$value,&$cell)
{
static $unit2label = array(
'Y' => 'years',
'm' => 'month',
'd' => 'days',
'H' => 'hours',
'i' => 'minutes',
's' => 'seconds',
);
static $unit2s = array(
'Y' => 31536000,
'm' => 2628000,
'd' => 86400,
'H' => 3600,
'i' => 60,
's' => 1,
);
$cell = boetemplate_old::empty_cell('label','',array('label'=>$cell['label']));
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if ((string)$value['Y'] !== '')
{
if (!is_object($GLOBALS['egw']->datetime))
{
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$GLOBALS['egw']->datetime = new egw_datetime();
}
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$now_s = time() + $GLOBALS['egw']->datetime->tz_offset; // time() is server-time and we need a user-time
$val_s = mktime($value['H'],$value['i'],$value['s'],$value['m'],$value['d'],$value['Y']);
$diff_s = $now_s - $val_s;
foreach($unit2s as $unit => $unit_s)
{
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if ($diff_s >= $unit_s || $unit == 's')
{
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$value = round($diff_s/$unit_s,1).' '.lang($unit2label[$unit]);
break;
}
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//echo "<p>$unit: diff_s=$diff_s >= $unit_s --> continue</p>\n";
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}
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}
else
{
$value = '';
}
return true;
}
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/**
* postprocessing method, called after the submission of the form
*
* It has to copy the allowed/valid data from $value_in to $value, otherwise the widget
* will return no data (if it has a preprocessing method). The framework insures that
* the post-processing of all contained widget has been done before.
*
* Only used by select-dow so far
*
* @param string $name form-name of the widget
* @param mixed &$value the extension returns here it's input, if there's any
* @param mixed &$extension_data persistent storage between calls or pre- and post-process
* @param boolean &$loop can be set to true to request a re-submision of the form/dialog
* @param object &$tmpl the eTemplate the widget belongs too
* @param mixed &value_in the posted values (already striped of magic-quotes)
* @return boolean true if $value has valid content, on false no content will be returned!
*/
function post_process($name,&$value,&$extension_data,&$loop,&$tmpl,$value_in)
{
//echo "<p>date_widget::post_process('$name','$extension_data[type]','$extension_data[data_format]') value="; print_r($value); echo ", value_in="; print_r($value_in); echo "</p>\n";
if (!isset($value) && !isset($value_in))
{
return False;
}
if ($extension_data['type'] == 'date-duration')
{
if (is_array($value)) // template with selectbox
{
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$unit = $value['unit'];
$value = $value['value'];
}
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elseif (!preg_match('/^-?[0-9]*[,.]?[0-9]*'.($extension_data['percent_allowed'] ? '%?' : '').'$/',$value_in))
{
etemplate_old::set_validation_error($name,lang("'%1' is not a valid floatingpoint number !!!",$value_in));
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return false;
}
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else
{
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$value = $value_in;
$unit = $extension_data['unit'];
}
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if ($extension_data['percent_allowed'] && substr($value,-1) == '%')
{
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return true;
}
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if ($value === '' && $extension_data['empty_not_0']) // we differ between 0 and empty, which get returned as null
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{
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$value = null;
return true;
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}
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$value = (int) round(str_replace(',','.',$value) * ($unit == 'm' ? 1 : (60 * ($unit == 'd' ? $extension_data['hours_per_day'] : 1))));
switch($extension_data['data_format'])
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{
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case 'd':
$value /= (float) $extension_data['hours_per_day'];
// fall-through
case 'h': case 'H':
$value /= 60.0;
break;
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}
return true;
}
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$no_date = substr($extension_data['type'],-4) == 'only';
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if ($value['today'])
{
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$set = array('Y','m','d');
foreach($set as $d)
{
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$value[$d] = adodb_date($d);
}
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}
if (isset($value_in['str']) && !empty($value_in['str']))
{
if (!is_array($value))
{
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$value = array();
}
$value += $this->jscal->input2date($value_in['str'],False,'d','m','Y');
}
if ($value['d'] || $no_date &&
(isset($value['H']) && $value['H'] !== '' || isset($value['i']) && $value['i'] !== ''))
{
if ($value['d'])
{
if (!$value['m'])
{
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$value['m'] = adodb_date('m');
}
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if (!$value['Y'])
{
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$value['Y'] = adodb_date('Y');
}
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elseif ($value['Y'] < 100)
{
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$value['Y'] += $value['Y'] < 30 ? 2000 : 1900;
}
}
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else // for the timeonly field
{
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$value['d'] = $value['m'] = 1;
$value['Y'] = 1970;
}
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// checking the date is a correct one
if (!checkdate($value['m'],$value['d'],$value['Y']))
{
etemplate_old::set_validation_error($name,lang("'%1' is not a valid date !!!",
common::dateformatorder($value['Y'],$value['m'],$value['d'],true)));
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}
$data_format = $extension_data['data_format'];
if (empty($data_format))
{
// for time or hour format we use just seconds (and no timezone correction between server-time and UTC)
$value = $no_date ? 3600 * (int) $value['H'] + 60 * (int) $value['i'] :
adodb_mktime((int) $value['H'],(int) $value['i'],0,$value['m'],$value['d'],$value['Y']);
}
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else
{
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for ($n = 0,$str = ''; $n < strlen($data_format); ++$n)
{
if (strpos('YmdHis',$c = $data_format[$n]) !== false)
{
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$str .= sprintf($c=='Y'?'%04d':'%02d',$value[$c]);
}
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else
{
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$str .= $c;
}
}
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$value = $str;
}
}
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else
{
$value = '';
}
return True;
}
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}