CAMELCASE / HTML-TurboForm-0.46 / lib / HTML / TurboForm / Element / Range.pm 

            

              
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package HTML::TurboForm::Element::Range;
use warnings;
use strict;
use base qw(HTML::TurboForm::Element);
__PACKAGE__->mk_accessors( qw/ min max round rangetext zerovalue dbtype steps start1 start2 modules / );
sub init{
    my ($self)=@_;
    my $step = 10;
    if ($self->min) {
        $self->{min}=int($self->min);
    };
    if ($self->max) {
        $self->{max}= int( $self->max );
        $self->{max}++ if ($self->round);
    };
    if ($self->start1)  { $self->{start1}=$self->start1; };
    if ($self->start2)  { $self->{start2}=$self->start2; };
    $self->{value}='';
    my $js_min='';
        my $js_max='';
    if($self->zerovalue){
        $self->{min}-- ;
        $self->{start1}=$self->{min};
        $self->{max}++ ;
        $self->{start2}=$self->{max};
        $js_min ='if (value1 == '.$self->{min}.') $("#'.$self->name.'_label1").html("'.$self->zerovalue.'");';
        $js_max ='if (value2 == '.$self->{max}.') $("#'.$self->name.'_label2").html("'.$self->zerovalue.'");';
    }
    if ($self->steps) { $step=$self->steps; } else  { $step = $self->{max} - $self->{min}; };
        if ($self->request->{ $self->name }) {
                $self->{value} = $self->request->{ $self->name };
                my @vals = split(/,/, $self->request->{ $self->name });
                $self->{start1}= $vals[0];
                $self->{start2}= $vals[1];
        }
    @{$self->{modules}} = ('jquery/jquery','jquery/ui.core.min','jquery/ui.slider.min');
    $self->{js} = '
        $("#'.$self->name.'_slider").slider({
                        "steps": '.$step.',range:true,
                        "min": '.$self->{min}.',
                        "max": '.$self->{max}.',
                        "slide": function(e, ui){
                var value1 = $("#'.$self->name.'_slider").slider("value",0);
                var value2 = $("#'.$self->name.'_slider").slider("value",1);
                                var field = value1+","+value2;
                $("#'.$self->name.'_label1").html(value1.toFixed(0),0);
                        $("#'.$self->name.'_label2").html(value2.toFixed(0),1);
                                $("#'.$self->name.'").val(field);
                                '.$js_min.'
                '.$js_max.'
                        }
                });  ';
    if ($self->{start2}){
        $self->{js} .=  '$("#'.$self->name.'_slider").slider("moveTo",'.$self->{start2}.',1);';
    }
    if ($self->{start1}){
        $self->{js} .=  '$("#'.$self->name.'_slider").slider("moveTo",'.$self->{start1}.',0);';
    }
}
sub get_value{
    my ($self)=@_;
    return 0 if (($self->zerovalue) && ( $self->{value} == ($self->{min}-1)));
    return 0 if (($self->zerovalue) && ( $self->{value} == ($self->{max}+1)));
    return $self->{value};
}
sub freeze{
    my ($self)=@_;
    $self->{js} .=  '$("#'.$self->name.'_slider").slider("disable");';
}
sub get_dbix{
    my ($self)=@_;
    my $dbname=$self->name if ($self->name);
    $dbname   =$self->dbsearchfield if ($self->dbsearchfield);
    my @vals = split(/,/, $self->get_value());
        my $low  = $vals[0];
        my $high = $vals[1];
    my $result = 0;
    if ($self->zerovalue) {
       $low='' if ($low == $self->{min});
       $high='' if ($high == $self->{max});
    }
    if($self->get_value() ne '') {
        $result={};
        if ($self->dbtype) {
            $result->{'CAST('.$dbname.' AS '.$self->dbtype.')'}->{'>='}=[$low]  if ($low ne '');
            $result->{'CAST('.$dbname.' AS '.$self->dbtype.')'}->{'<='}=[$high] if ($high ne '');
        } else {
            $result->{$dbname}->{'>='}=$low  if ($low ne '');
            $result->{$dbname}->{'<='}=$high if ($high ne '');
        }
    }
    return $result;
}
sub render {
  my ($self, $options, $view)=@_;
  if ($view) { $self->{view}=$view; }
  my $request=$self->request;
  my $result='';
  my $disabled='';
  my $class='form_text';
  $class = $self->class if ($self->class);
  my $name=$self->name;
  my $minlabel = $self->{min};
  my $maxlabel = $self->{max};
  $minlabel = $self->zerovalue if ($self->zerovalue);
  $maxlabel = $self->zerovalue if ($self->zerovalue);
  #print STDERR $self->{min}." bis ".$self->{max}."\n";
  #$self->{min} =~ s/^(.*?)\..*$/$1/ ;
  #$self->{max} =~ s/^(.*?)\..*$/$1/ ;
  my $rt='';
  $rt = '<span class="slider_label_center"> '.$self->{rangetext}.' </span>' if ($self->rangetext);
  $result='  <div class="slider_label">
             <span class="slider_label_min" id="'.$name.'_label1">'.$minlabel.'</span>
             '.$rt.'
             <span class="slider_label_max" id="'.$name.'_label2">'.$maxlabel.'</span>
             </div><br>
             <div id="'.$name.'_slider" class="ui-slider-2">
                <div id="first" class="ui-slider-handle">&nbsp;</div>
                <div id="second" class="ui-slider-handle">&nbsp;</div>
             </div>
            <input class="range_min" type="hidden" name="'.$name.'_min" id="'.$name.'_min" value="">
            <input class="range_max" type="hidden" name="'.$name.'_max" id="'.$name.'_max" value="">
                        <input type="hidden" name="'.$name.'" id="'.$name.'" value="">
                        ';
  return $self->vor($options).$result.$self->nach;
}
1;
__END__
=head1 HTML::TurboForm::Element::Range
Representation class for HTML SLider input element with two Sliders. This Element uses the jquery Javascript library !
=head1 DESCRIPTION
Straight forward so no need for much documentation.
See HTML::TurboForm doku for mopre details.
=head1 METHODS
=head2 render
Arguments: $options
returns HTML Code for element.
=head1 AUTHOR
Thorsten Domsch, tdomsch@gmx.de
=cut