--- loncom/interface/lonhtmlcommon.pm 2003/03/21 15:59:14 1.19 +++ loncom/interface/lonhtmlcommon.pm 2003/06/20 16:13:06 1.26 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.19 2003/03/21 15:59:14 matthew Exp $ +# $Id: lonhtmlcommon.pm,v 1.26 2003/06/20 16:13:06 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -58,6 +58,45 @@ package Apache::lonhtmlcommon; use Time::Local; use strict; + +############################################## +############################################## + +=pod + +=item textbox + +=cut + +############################################## +############################################## +sub textbox { + my ($name,$value,$size,$special) = @_; + $size = 40 if (! defined($size)); + my $Str = '<input type="text" name="'.$name.'" size="'.$size.'" '. + 'value="'.$value.'" '.$special.' />'; + return $Str; +} + +############################################## +############################################## + +=pod + +=item checkbox + +=cut + +############################################## +############################################## +sub checkbox { + my ($name) = @_; + my $Str = '<input type="checkbox" name="'.$name.'" />'; + return $Str; +} + + + ############################################## ############################################## @@ -65,6 +104,9 @@ use strict; =item &date_setter +&date_setter returns html and javascript for a compact date-setting form. +To retrieve values from it, use &get_date_from_form(). + Inputs =over 4 @@ -82,12 +124,23 @@ The current setting for this time parame An undefined value is taken to indicate the value is the current time. Also, to be explicit, a value of 'now' also indicates the current time. +=item $special + +Additional html/javascript to be associated with each element in +the date_setter. See lonparmset for example usage. + +=back + +Bugs + +The method used to restrict user input will fail in the year 2400. + =cut ############################################## ############################################## sub date_setter { - my ($formname,$dname,$currentvalue) = @_; + my ($formname,$dname,$currentvalue,$special) = @_; if (! defined($currentvalue) || $currentvalue eq 'now') { $currentvalue = time; } @@ -130,7 +183,7 @@ sub date_setter { } </script> ENDJS - $result .= " <select name=\"$dname\_month\" ". + $result .= " <nobr><select name=\"$dname\_month\" ".$special.' '. "onChange=\"javascript:$dname\_checkday()\" >\n"; my @Months = qw/January February March April May June July August September October November December/; @@ -143,13 +196,13 @@ ENDJS } $result .= " </select>\n"; $result .= " <input type=\"text\" name=\"$dname\_day\" ". - "value=\"$mday\" size=\"3\" ". + "value=\"$mday\" size=\"3\" ".$special.' '. "onChange=\"javascript:$dname\_checkday()\" />\n"; $result .= " <input type=\"year\" name=\"$dname\_year\" ". - "value=\"$year\" size=\"5\" ". + "value=\"$year\" size=\"5\" ".$special.' '. "onChange=\"javascript:$dname\_checkday()\" />\n"; $result .= " "; - $result .= " <select name=\"$dname\_hour\" >\n"; + $result .= " <select name=\"$dname\_hour\" ".$special." >\n"; for (my $h = 0;$h<24;$h++) { $result .= " <option value=\"$h\" "; $result .= "selected " if ($hour == $h); @@ -166,19 +219,23 @@ ENDJS $result .= " </option>\n"; } $result .= " </select>\n"; - $result .= " <input type=\"text\" name=\"$dname\_minute\" ". + $result .= " <input type=\"text\" name=\"$dname\_minute\" ".$special.' '. "value=\"$min\" size=\"3\" /> m\n"; - $result .= " <input type=\"text\" name=\"$dname\_second\" ". + $result .= " <input type=\"text\" name=\"$dname\_second\" ".$special.' '. "value=\"$sec\" size=\"3\" /> s\n"; - $result .= "<!-- end $dname date setting form -->\n"; + $result .= "</nobr>\n<!-- end $dname date setting form -->\n"; return $result; } ############################################## ############################################## +=pod + =item &get_date_from_form +get_date_from_form retrieves the date specified in an &date_setter form. + Inputs: =over 4 @@ -239,6 +296,7 @@ sub get_date_from_form { $year = $tmpyear - 1900; } } + if (($year<70) || ($year>137)) { return undef; } if (eval(&timelocal($sec,$min,$hour,$day,$month,$year))) { return &timelocal($sec,$min,$hour,$day,$month,$year); } else { @@ -251,6 +309,33 @@ sub get_date_from_form { =pod +=item &pjump_javascript_definition() + +Returns javascript defining the 'pjump' function, which opens up a +parameter setting wizard. + +=cut + +############################################## +############################################## +sub pjump_javascript_definition { + my $Str = <<END; + function pjump(type,dis,value,marker,ret,call) { + parmwin=window.open("/adm/rat/parameter.html?type="+escape(type) + +"&value="+escape(value)+"&marker="+escape(marker) + +"&return="+escape(ret) + +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms", + "height=350,width=350,scrollbars=no,menubar=no"); + } +END + return $Str; +} + +############################################## +############################################## + +=pod + =item &javascript_nothing() Return an appropriate null for the users browser. This is used @@ -278,179 +363,41 @@ sub javascript_nothing { return $nothing; } + ############################################## ############################################## +=pod +=item &StatusOptions() -sub AscendOrderOptions { - my ($order, $page, $formName)=@_; - - my $OpSel1 = ''; - my $OpSel2 = ''; - - if($order eq 'Ascending') { - $OpSel1 = ' selected'; - } else { - $OpSel2 = ' selected'; - } - - my $Str = ''; - $Str .= '<select name="'.(($page)?$page:'').'Ascend"'; - if($formName) { - $Str .= ' onchange="document.'.$formName.'.submit()"'; - } - $Str .= '>'."\n"; - $Str .= '<option'.$OpSel1.'>Ascending</option>'."\n". - '<option'.$OpSel2.'>Descending</option>'."\n"; - $Str .= '</select>'."\n"; - - return $Str; -} - -sub MapOptions { - my ($data, $page, $formName)=@_; - my $Str = ''; - $Str .= '<select name="'; - $Str .= (($page)?$page:'').'Maps"'; - if($formName) { - $Str .= ' onchange="document.'.$formName.'.submit()"'; - } - $Str .= '>'."\n"; - - my $selected = 0; - foreach my $sequence (split(':',$data->{'orderedSequences'})) { - $Str .= '<option'; - if($data->{$page.'Maps'} eq $data->{$sequence.':title'}) { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>'.$data->{$sequence.':title'}.'</option>'."\n"; - } - $Str .= '<option'; - if(!$selected) { - $Str .= ' selected'; - } - $Str .= '>All Maps</option>'."\n"; - - $Str .= '</select>'."\n"; - - return $Str; -} - -sub ProblemOptions { - my ($data, $page, $map, $formName)=@_; - my $Str = ''; - $Str .= '<select name="'; - $Str .= (($page)?$page:'').'ProblemSelect"'; - if($formName) { - $Str .= ' onchange="document.'.$formName.'.submit()"'; - } - $Str .= '>'."\n"; - - my $selected = 0; - foreach my $sequence (split(':',$data->{'orderedSequences'})) { - if($data->{$sequence.':title'} eq $map || $map eq 'All Maps') { - foreach my $problem (split(':', $data->{$sequence.':problems'})) { - $Str .= '<option'; - if($data->{$page.'ProblemSelect'} eq - $data->{$problem.':title'}) { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>'.$data->{$problem.':title'}.'</option>'."\n"; - } - } - } - $Str .= '<option'; - if(!$selected) { - $Str .= ' selected'; - } - $Str .= '>All Problems</option>'."\n"; - - $Str .= '</select>'."\n"; - - return $Str; -} - -sub PartOptions { - my ($data, $page, $parts, $formName)=@_; - my $Str = ''; - - if(!defined($parts)) { - return ''; - } - - $Str .= '<select name="'; - $Str .= (($page)?$page:'').'PartSelect"'; - if($formName) { - $Str .= ' onchange="document.'.$formName.'.submit()"'; - } - $Str .= '>'."\n"; - - my $selected = 0; - foreach my $part (@$parts) { - $Str .= '<option'; - if($data->{$page.'PartSelect'} eq $part) { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>'.$part.'</option>'."\n"; - } - $Str .= '<option'; - if(!$selected) { - $Str .= ' selected'; - } - $Str .= '>All Parts</option>'."\n"; - - $Str .= '</select>'."\n"; - - return $Str; -} - -sub StudentOptions { - my ($cache, $students, $selectedName, $page, $formName)=@_; +Returns html for a selection box which allows the user to choose the +enrollment status of students. The selection box name is 'Status'. - my $Str = ''; - $Str .= '<select name="'.(($page)?$page:'').'Student"'; - if($formName) { - $Str .= ' onchange="document.'.$formName.'.submit()"'; - } - $Str .= '>'."\n"; - - my $selected=0; +Inputs: - foreach (@$students) { - $Str .= '<option'; - if($selectedName eq $_) { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>'; - $Str .= $cache->{$_.':fullname'}; - $Str .= '</option>'."\n"; - } +$status: the currently selected status. If undefined the value of +$ENV{'form.Status'} is taken. If that is undefined, a value of 'Active' +is used. - $Str .= '<option'; - if($selectedName eq 'No Student Selected') { - $Str .= ' selected'; - $selected = 1; - } - $Str .= '>No Student Selected</option>'."\n"; +$formname: The name of the form. If defined the onchange attribute of +the selection box is set to document.$formname.submit(). - $Str .= '<option'; - if(!$selected) { - $Str .= ' selected'; - } - $Str .= '>All Students</option>'."\n"; +$size: the size (number of lines) of the selection box. - $Str .= '</select>'."\n"; +Returns: a perl string as described. - return $Str; -} +=cut +############################################## +############################################## sub StatusOptions { - my ($status, $formName)=@_; + my ($status, $formName,$size)=@_; + $size = 1 if (!defined($size)); + if (! defined($status)) { + $status = 'Active'; + $status = $ENV{'form.Status'} if (exists($ENV{'form.Status'})); + } my $OpSel1 = ''; my $OpSel2 = ''; @@ -465,10 +412,14 @@ sub StatusOptions { if(defined($formName) && $formName ne '') { $Str .= ' onchange="document.'.$formName.'.submit()"'; } + $Str .= ' size="'.$size.'" '; $Str .= '>'."\n"; - $Str .= '<option'.$OpSel1.'>Active</option>'."\n"; - $Str .= '<option'.$OpSel2.'>Expired</option>'."\n"; - $Str .= '<option'.$OpSel3.'>Any</option>'."\n"; + $Str .= '<option value="Active" '.$OpSel1.'>'. + 'Currently Enrolled</option>'."\n"; + $Str .= '<option value="Expired" '.$OpSel2.'>'. + 'Previously Enrolled</option>'."\n"; + $Str .= '<option value="Any" '.$OpSel3.'>'. + 'Any Enrollment Status</option>'."\n"; $Str .= '</select>'."\n"; } @@ -672,6 +623,102 @@ sub FormatStudentInformation { ######################################################## ######################################################## +=pod + +=item Progess Window Handling Routines + +These routines handle the creation, update, increment, and closure of +progress windows. The progress window reports to the user the number +of items completed and an estimate of the time required to complete the rest. + +=over 4 + + +=item &Create_PrgWin + +Writes javascript to the client to open a progress window and returns a +data structure used for bookkeeping. + +Inputs + +=over 4 + +=item $r Apache request + +=item $title The title of the progress window + +=item $heading A description (usually 1 line) of the process being initiated. + +=item $number_to_do The total number of items being processed. + +=back + +Returns a hash containing the progress state data structure. + + +=item &Update_PrgWin + +Updates the text in the progress indicator. Does not increment the count. +See &Increment_PrgWin. + +Inputs: + +=over 4 + +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by &Create_PrgWin + +=item $displaystring The string to write to the status indicator + +=back + +Returns: none + + +=item Increment_PrgWin + +Increment the count of items completed for the progress window by 1. + +Inputs: + +=over 4 + +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by Create_PrgWin + +=item $extraInfo A description of the items being iterated over. Typically +'student'. + +=back + +Returns: none + + +=item Close_PrgWin + +Closes the progress window. + +Inputs: + +=over 4 + +=item $r Apache request + +=item $prog_state Pointer to the data structure returned by Create_PrgWin + +=back + +Returns: none + +=back + +=cut + +######################################################## +######################################################## + # Create progress sub Create_PrgWin { my ($r, $title, $heading, $number_to_do)=@_; @@ -688,8 +735,8 @@ sub Create_PrgWin { my %prog_state; $prog_state{'done'}=0; - $prog_state{'firststart'}=time; - $prog_state{'laststart'}=time; + $prog_state{'firststart'}=&Time::HiRes::time(); + $prog_state{'laststart'}=&Time::HiRes::time(); $prog_state{'max'}=$number_to_do; $r->rflush(); @@ -701,7 +748,7 @@ sub Update_PrgWin { my ($r,$prog_state,$displayString)=@_; $r->print('<script>popwin.document.popremain.remaining.value="'. $displayString.'";</script>'); - $$prog_state{'laststart'}=time; + $$prog_state{'laststart'}=&Time::HiRes::time(); $r->rflush(); } @@ -709,22 +756,32 @@ sub Update_PrgWin { sub Increment_PrgWin { my ($r,$prog_state,$extraInfo)=@_; $$prog_state{'done'}++; - my $time_est= (time - $$prog_state{'firststart'})/$$prog_state{'done'} * + my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/ + $$prog_state{'done'} * ($$prog_state{'max'}-$$prog_state{'done'}); $time_est = int($time_est); if (int ($time_est/60) > 0) { my $min = int($time_est/60); my $sec = $time_est % 60; $time_est = $min.' minutes'; - if ($sec > 1) { - $time_est.= ', '.$sec.' seconds'; - } elsif ($sec > 0) { - $time_est.= ', '.$sec.' second'; - } + if ($min < 10) { + if ($sec > 1) { + $time_est.= ', '.$sec.' seconds'; + } elsif ($sec > 0) { + $time_est.= ', '.$sec.' second'; + } + } } else { $time_est .= ' seconds'; } - my $lasttime = time-$$prog_state{'laststart'}; + my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'}; + if ($lasttime > 9) { + $lasttime = int($lasttime); + } elsif ($lasttime < 0.01) { + $lasttime = 0; + } else { + $lasttime = sprintf("%3.2f",$lasttime); + } if ($lasttime == 1) { $lasttime = '('.$lasttime.' second for '.$extraInfo.')'; } else { @@ -733,7 +790,7 @@ sub Increment_PrgWin { $r->print('<script>popwin.document.popremain.remaining.value="'. $$prog_state{'done'}.'/'.$$prog_state{'max'}. ': '.$time_est.' remaining '.$lasttime.'";'.'</script>'); - $$prog_state{'laststart'}=time; + $$prog_state{'laststart'}=&Time::HiRes::time(); $r->rflush(); } @@ -746,4 +803,5 @@ sub Close_PrgWin { } 1; + __END__