128 lines
3.4 KiB
Perl
128 lines
3.4 KiB
Perl
package WebGUI::Form::DynamicField;
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=head1 LEGAL
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-------------------------------------------------------------------
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WebGUI is Copyright 2001-2005 Plain Black Corporation.
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-------------------------------------------------------------------
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Please read the legal notices (docs/legal.txt) and the license
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(docs/license.txt) that came with this distribution before using
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this software.
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-------------------------------------------------------------------
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http://www.plainblack.com info@plainblack.com
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-------------------------------------------------------------------
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=cut
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use strict;
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use base 'WebGUI::Form::Control';
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use WebGUI::International;
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use WebGUI::Session;
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use WebGUI::Utility;
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=head1 NAME
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Package WebGUI::Form::DynamicField
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=head1 DESCRIPTION
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Creates the appropriate form field type given the inputs.
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=head1 SEE ALSO
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This is a subclass of WebGUI::Form::Control.
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=head1 METHODS
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The following methods are specifically available from this class. Check the superclass for additional methods.
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=cut
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#-------------------------------------------------------------------
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=head2 definition ( [ additionalTerms ] )
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See the super class for additional details.
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=head3 additionalTerms
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The following additional parameters have been added via this sub class.
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=head4 fieldType
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Defaults to "Text". Should be any valid field type.
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=cut
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sub definition {
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my $class = shift;
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my $definition = shift || [];
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push(@{$definition}, {
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formName=>{
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defaultValue=>WebGUI::International::get("475","WebGUI"),
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},
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fieldType=>{
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defaultValue=> "Text"
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},
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});
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return $class->SUPER::definition($definition);
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}
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#-------------------------------------------------------------------
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=head2 new ( params)
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Creates the object for the appropriate field type.
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=head3 params
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The normal params you'd pass in to the field. Included in this list must be one element called "fieldType" which specifies what type of field to dynamically render.
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=cut
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sub new {
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my $class = shift;
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my %raw = @_;
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my $param = \%raw;
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my $fieldType = ucfirst($param->{fieldType});
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delete $param->{fieldType};
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my $size;
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if (exists $param->{size}) {
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$size = $param->{size};
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delete $param->{size};
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}
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# Return the appropriate field object.
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if ($fieldType eq "") {
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WebGUI::ErrorHandler::warn("Something is trying to create a dynamic field called ".$param->{name}.", but didn't pass in a field type.");
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$fieldType = "Text";
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}
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##No infinite loops, please
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elsif ($fieldType eq 'DynamicField') {
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WebGUI::ErrorHandler::warn("Something is trying to create a DynamicField via DynamicField.");
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$fieldType = "Text";
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}
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no strict 'refs';
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my $cmd = "WebGUI::Form::".$fieldType;
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my $load = "use ".$cmd;
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eval ($load);
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if ($@) {
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WebGUI::ErrorHandler::error("Couldn't compile form control: ".$fieldType.". Root cause: ".$@);
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return undef;
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}
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my $formObj = $cmd->new($param);
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##Fix up methods for List type forms and restore the size to all Forms *except*
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##List type forms. Historically, dynamically created forms have always
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##used the default size.
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if ($formObj->isa('WebGUI::Form::List')) {
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$formObj->correctValues();
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$formObj->correctOptions($param->{possibleValues});
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}
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elsif ($size) {
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$formObj->{size} = $size;
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}
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return $formObj;
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}
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1;
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