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%#                                          <sales@bestpractical.com>
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%#
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%# LICENSE:
%#
%# This work is made available to you under the terms of Version 2 of
%# the GNU General Public License. A copy of that license should have
%# been provided with this software, but in any event can be snarfed
%# from www.gnu.org.
%#
%# This work 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.
%#
%# You should have received a copy of the GNU General Public License
%# along with this program; if not, write to the Free Software
%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
%# 02110-1301 or visit their web page on the internet at
%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
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%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
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<& /Admin/Elements/Header,
    Title => $title,
    &>
<& /Elements/Tabs &>
<& /Elements/ListActions, actions => \@results &>


<form method="post" action="Modify.html" name="ModifyCustomField" id="ModifyCustomField" class="mx-auto max-width-lg">
<input type="hidden" class="hidden" name="id" value="<% $id %>" />

<&| /Widgets/TitleBox, title => 'Basics', class => 'custom-field-info-basics', content_class => 'mx-auto width-sm' &>

<&| /Elements/LabeledValue, Label => loc("Name") &>
  <input class="form-control" type="text" name="Name" value="<% $CustomFieldObj->Name || $Name || '' %>" size="20" />
</&>

<&| /Elements/LabeledValue, Label => loc("Description") &>
    <input class="form-control" type="text" name="Description" value="<% $CustomFieldObj->Description || $Description || '' %>" size="80" />
</&>

<&| /Elements/LabeledValue, Label => loc("Type") &>
    <& /Admin/Elements/SelectCustomFieldType,
      Name => "TypeComposite",
      Default => $CustomFieldObj->TypeComposite,
    &>
</&>

% if ( $CustomFieldObj->Id and $CustomFieldObj->HasRenderTypes ) {
<&| /Elements/LabeledValue, Label => loc("Render Type") &>
    <& /Admin/Elements/SelectCustomFieldRenderType,
        Name            => "RenderType",
        TypeComposite   => $CustomFieldObj->TypeComposite,
        Default         => $CustomFieldObj->RenderType, 
        BasedOn         => $CustomFieldObj->BasedOnObj->id, &>
</&>
% }

% if ( $CustomFieldObj->Id and $CustomFieldObj->IsSelectionType and RT->Config->Get('CustomFieldValuesSources') and ( scalar(@{RT->Config->Get('CustomFieldValuesSources')}) > 0 ) ) {

<&| /Elements/LabeledValue, Label => loc("Field values source") &>
    <& /Admin/Elements/EditCustomFieldValuesSource, CustomField => $CustomFieldObj &>
</&>
% }

% if ( $CustomFieldObj->Id and $CustomFieldObj->IsCanonicalizeType and RT->Config->Get('CustomFieldValuesCanonicalizers') and ( scalar(@{RT->Config->Get('CustomFieldValuesCanonicalizers')}) > 0 ) ) {
<&| /Elements/LabeledValue, Label => loc("Canonicalizer") &>
    <& /Admin/Elements/EditCustomFieldValuesCanonicalizer, CustomField => $CustomFieldObj &>
</&>
% }

<&| /Elements/LabeledValue, Label => loc("Applies to") &>
    <& /Admin/Elements/SelectLookupType,
      Class => 'RT::CustomField',
      Name => "LookupType",
      Object => $CustomFieldObj,
      Default => $CustomFieldObj->LookupType || $LookupType,
    &>
</&>

<script type="text/javascript">
jQuery( function() {
    var select = jQuery('select[name=TypeComposite]');
    var default_hint = select.find('option:selected').text();
    var hint_input = jQuery('input[name=EntryHint]');
    select.change(function() {
        var new_hint = jQuery(this).find('option:selected').text();
        if ( hint_input.val() == default_hint ) {
            hint_input.val(new_hint);
        }
        default_hint = new_hint;
    });
% if ( $id eq 'new' && not defined $EntryHint) {
    hint_input.val(default_hint);
% }
});
</script>

<&| /Elements/LabeledValue, Label => loc("Entry Hint") &>
    <input class="form-control" type="text" name="EntryHint" value="<% $CustomFieldObj->EntryHint // $EntryHint // '' %>" size="80" />
</&>
<&| /Elements/LabeledValue, Label => loc("Validation") &>
    <& /Widgets/ComboBox,
      Name    => 'Pattern',
      Default => $CustomFieldObj->Pattern || $Pattern,
      Size    => 20,
      Values  => \@CFvalidations,
    &>
</&>

<div class="form-row">
  <div class="label col-3">
    <&|/l&>Validation Hint</&>
  </div>
  <div class="value col-9">
    <input class="form-control" type="text" name="ValidationHint" value="<% $CustomFieldObj->ValidationHint // $ValidationHint // '' %>" size="80" />
  </div>
</div>

<script type="text/javascript">
jQuery( function() {
    var hint_input = jQuery('#ModifyCustomField input[name=ValidationHint]');
    var set_default_hint = function () {
        var val = jQuery('#ModifyCustomField input[name=Pattern]').val();
        if ( !hint_input.val() ) {
            if ( val ) {
                var hint;
                var matched = val.match(/\(\?#([^)]*)\)/);
                if ( matched ) {
                    hint = '[' + matched[1] + ']';
                }
                else {
                    hint = val;
                }
                hint_input.attr('placeholder', 'Input must match ' + hint);
            }
            else {
                hint_input.attr('placeholder', '');
            }
        }
    };

    jQuery('#ModifyCustomField input[name=Pattern]').change( function() {
        set_default_hint();
    } );

    jQuery('#ModifyCustomField input[name=ValidationHint]').change( function() {
        if ( !jQuery(this).val() ) {
            set_default_hint();
        }
    }).change();
});
</script>

% if ( $CustomFieldObj->SupportDefaultValues ) {
<&| /Elements/LabeledValue, Label => loc("Default [numerate,_1,value,values]", $CustomFieldObj->MaxValues),
    Class => $default_value_class &>
  <& /Elements/EditCustomField, NamePrefix => 'Default-', CustomField => $CustomFieldObj, ShowEmptyOption => 1 &>
</&>
% }

% if ( $CustomFieldObj->Id && $CustomFieldObj->IsSelectionType ) {
  <&| /Elements/LabeledValue, Label => loc("Categories are based on") &>
    <& /Admin/Elements/SelectCustomField,
      Name => "BasedOn",
      LookupType => $CustomFieldObj->LookupType,
      Default => $CustomFieldObj->BasedOnObj || $BasedOn,
      Not => $CustomFieldObj->id,
    &>
  </&>
% }

<&| /Elements/LabeledValue, Label => "" &>
    <input type="hidden" class="hidden" name="SetUniqueValues" value="1" />
    <div class="custom-control custom-checkbox">
      <input type="checkbox" class="custom-control-input" id="UniqueValues" name="UniqueValues" value="1" <% $UniqueValuesChecked |n %> />
      <label class="custom-control-label" for="UniqueValues">
        <&|/l&>New values must be unique</&>
      </label>
    </div>
</&>

% $m->callback(CallbackName => 'BeforeEnabled', CustomField => $CustomFieldObj, CFvalidations => \@CFvalidations);

<&| /Elements/LabeledValue, Label => "" &>
    <input type="hidden" class="hidden" name="SetEnabled" value="1" />
    <div class="custom-control custom-checkbox">
      <input type="checkbox" class="custom-control-input" id="Enabled" name="Enabled" value="1" <% $EnabledChecked |n %> />
      <label class="custom-control-label" for="Enabled">
        <&|/l&>Enabled (Unchecking this box disables this custom field)</&>
      </label>
    </div>
</&>

% $m->callback(CallbackName => 'EndOfTable', CustomField => $CustomFieldObj, CFvalidations => \@CFvalidations);

</&>


<&| /Widgets/TitleBox, title => 'Integration', class => 'custom-field-info-integration', content_class => 'mx-auto width-lg' &>

<div class="form-row">
  <div class="label col-2">
    <&|/l&>Link values to</&>
  </div>
  <div class="col-8">
    <input class="form-control" type="text" size="60" name="LinkValueTo"  value="<% $CustomFieldObj->LinkValueTo || $LinkValueTo || '' %>" />
  </div>
</div>

<div class="form-row">
  <div class="col-2"></div>
  <div class="col-8">
    <&|/l&>RT can make this custom field's values into hyperlinks to another service.</&>
    <&|/l&>Fill in this field with a URL.</&>
    <&|/l_unsafe, '<tt>__id__</tt>', '<tt>__CustomField__</tt>' &>RT will replace [_1] and [_2] with the record's id and the custom field's value, respectively.</&>
  </div>
</div>

<div class="form-row">
  <div class="label col-2">
    <&|/l&>Include page</&>
  </div>
  <div class="value col-8">
    <input class="form-control" type="text" size="60" name="IncludeContentForValue" value="<% $CustomFieldObj->IncludeContentForValue || $IncludeContentForValue || '' %>" />
  </div>
</div>

<div class="form-row">
  <div class="col-2"></div>
  <div class="col-8">
    <&|/l&>RT can include content from another web service when showing this custom field.</&>
    <&|/l&>Fill in this field with a URL.</&>
    <&|/l_unsafe, '<tt>__id__</tt>', '<tt>__CustomField__</tt>' &>RT will replace [_1] and [_2] with the record's id and the custom field's value, respectively.</&>
    <i><&|/l&>Some browsers may only load content from the same domain as your RT server.</&></i>
  </div>
</div>
</&>

% if ( $CustomFieldObj->Id && $CustomFieldObj->IsSelectionType && !$CustomFieldObj->IsExternalValues ) {
<&| /Widgets/TitleBox, title => 'Values', class => 'custom-field-info-values', content_class => 'mx-auto width-lg' &>
<div class="form-row">
  <div class="col-1"></div>
  <div class="edit_custom_field_values col-10">
    <& /Admin/Elements/EditCustomFieldValues, CustomField => $CustomFieldObj &>
  </div>
  <div class="col-1"></div>
</div>
</&>
% }

<div class="form-row">
  <div class="col-12">
    <& /Elements/Submit, Name => 'Update', Label => $id eq 'new'? loc('Create'): loc('Save Changes') &>
  </div>
</div>

</form>

% if ( $CustomFieldObj->Id && $CustomFieldObj->IsSelectionType && !$CustomFieldObj->IsExternalValues ) {
<div class="mx-auto max-width-lg">
  <&| /Widgets/TitleBox, title => 'Add Values', class => 'custom-field-info-add-values', content_class => 'mx-auto width-lg' &>
    <div class="add_custom_field_value">
      <& /Admin/Elements/AddCustomFieldValue, CustomField => $CustomFieldObj &>
    </div>
  </&>
</div>
% }
% $m->callback(%ARGS, CallbackName => 'EndOfPage', CustomFieldObj => $CustomFieldObj);
<%INIT>
my ($title, @results, $added_cfv);

my $CustomFieldObj = RT::CustomField->new( $session{'CurrentUser'} );
my $default_value_class = ''; # Extra classes for default CF value input

$m->callback(CallbackName => 'Initial', Pattern => \$Pattern, Results => \@results, ARGSRef => \%ARGS);

unless ( $id ) {
    $title = loc("Create a CustomField");
    $id    = 'new';
}
else {
    if ( $id eq 'new' ) {
        my ( $val, $msg ) = $CustomFieldObj->Create(
            Name           => $Name,
            TypeComposite  => $TypeComposite,
            LookupType     => $LookupType,
            Description    => $Description,
            Pattern        => $Pattern,
            LinkValueTo    => $LinkValueTo,
            IncludeContentForValue => $IncludeContentForValue,
            BasedOn        => $BasedOn,
            Disabled       => ($Enabled ? 0 : 1),
            EntryHint      => $EntryHint,
            ValidationHint => $ValidationHint,
            UniqueValues   => $UniqueValues,
        );
        if (!$val) {
            push @results, loc("Could not create CustomField: [_1]", $msg);
            $title = loc( 'Create a CustomField');
        }
        else {
            push @results, loc("Object created");
            $title = loc( 'Created CustomField [_1]', $CustomFieldObj->Name );
        }
    } else {
        push @results, loc('No CustomField')
            unless  $CustomFieldObj->Load( $id );

        $title = loc( 'Editing CustomField [_1]', $CustomFieldObj->Name );
    }
}

if ( $ARGS{'Update'} && $id ne 'new' ) {

    #we're asking about enabled on the web page but really care about disabled.
    $ARGS{'Disabled'} = $Enabled? 0 : 1;

    # make sure the unchecked checkbox still causes an update
    $ARGS{UniqueValues} ||= 0 if $SetUniqueValues;

    my @attribs = qw(Disabled Pattern Name TypeComposite LookupType Description LinkValueTo IncludeContentForValue EntryHint ValidationHint UniqueValues);

    push @results, UpdateRecordObject(
        AttributesRef => \@attribs,
        Object        => $CustomFieldObj,
        ARGSRef       => \%ARGS
    );
    if ( ($ValuesClass||'RT::CustomFieldValues') ne $CustomFieldObj->ValuesClass ) {
        my $original = $CustomFieldObj->ValuesClass;
        my ($good, $msg) = $CustomFieldObj->SetValuesClass( $ValuesClass );
        if ( $good ) {
            $msg = loc("[_1] changed from '[_2]' to '[_3]'",
                        loc("Field values source"), $original, $ValuesClass );
        }
        else {
            RT->Logger->debug("Unable to SetValuesClass to '$ValuesClass': $msg");
        }
        push @results, $msg;
    }
    if ( ($CanonicalizeClass||'') ne ($CustomFieldObj->CanonicalizeClass||'') ) {
        my $original = $CustomFieldObj->CanonicalizeClass;
        my ($good, $msg) = $CustomFieldObj->SetCanonicalizeClass( $CanonicalizeClass );
        if ( $good ) {
            # Improve message from class names to their friendly descriptions
            $original = $original->Description
                if $original && RT::StaticUtil::RequireModule($original);
            $CanonicalizeClass = $CanonicalizeClass->Description
                if $CanonicalizeClass && RT::StaticUtil::RequireModule($CanonicalizeClass);

            if (!$original) {
                $msg = loc("[_1] '[_2]' added",
                            loc("Canonicalizer"), $CanonicalizeClass);
            }
            elsif (!$CanonicalizeClass) {
                $msg = loc("[_1] '[_2]' removed",
                            loc("Canonicalizer"), $original);
            }
            else {
                $msg = loc("[_1] changed from '[_2]' to '[_3]'",
                            loc("Canonicalizer"), $original, $CanonicalizeClass );
            }
        }
        else {
            RT->Logger->debug("Unable to SetCanonicalizeClass to '$CanonicalizeClass': $msg");
        }

        push @results, $msg;
    }

    # Set the render type if we have it, but unset it if the new type doesn't
    # support render types
    if ( $CustomFieldObj->HasRenderTypes($TypeComposite) ) {
        my $original = $CustomFieldObj->RenderType;

        if ( defined $RenderType and $RenderType ne $original ) {
            # It's changed!  Let's update it.
            my ($good, $msg) = $CustomFieldObj->SetRenderType( $RenderType );

            if ( $good ) {
                $msg = loc("[_1] changed from '[_2]' to '[_3]'",
                            loc("Render Type"), $original, $RenderType );
            }
            else {
                RT->Logger->debug("Unable to SetRenderType to '$RenderType': $msg");
            }

            push @results, $msg;
        }
    }
    else {
        # Delete it if we no longer support render types
        $CustomFieldObj->SetRenderType( undef );
    }

    if (($CustomFieldObj->BasedOn||'') ne ($BasedOn||'')) {
        my ($good, $msg) = $CustomFieldObj->SetBasedOn( $BasedOn );
        push @results, $msg;
    }

    if ( $CustomFieldObj->SupportDefaultValues ) {
        my ($ret, $msg) = $CustomFieldObj->SetDefaultValues(
            Object => RT->System,
            Values => $ARGS{'Default-' . $CustomFieldObj->id . '-Value'} // $ARGS{'Default-' . $CustomFieldObj->id . '-Values'},
        );
        push @results, $msg;
    }

    my $paramtag = "CustomField-". $CustomFieldObj->Id ."-Value";
    # Delete any fields that want to be deleted
    foreach my $key ( keys %ARGS ) {
        next unless $key =~ /^Delete-$paramtag-(\d+)$/;
        my ($val, $msg) = $CustomFieldObj->DeleteValue( $1 );
        my $cf_delete = $ARGS{ $paramtag . "-$1-Name" };
        $msg = loc("Custom field value [_1] deleted", $cf_delete) if $val;
        push (@results, $msg);
    }

    # Update any existing values
    my $values = $CustomFieldObj->ValuesObj;
    while ( my $value = $values->Next ) {
        foreach my $attr (qw(Name Description SortOrder Category)) {
            my $param = join("-", $paramtag, $value->Id, $attr);
            next unless exists $ARGS{$param};
            $ARGS{$param} =~ s/^\s+//;
            $ARGS{$param} =~ s/\s+$//;
            next if ($value->$attr()||'') eq ($ARGS{$param}||'');

            my $mutator = "Set$attr";
            my ($id, $msg) = $value->$mutator( $ARGS{$param} );
            push (@results, $msg);
        }
    }

}

# for old tests only, users should use ajax calls and this should never be called in real usage.
if ( $ARGS{'AddValue'} ) {
    # Add any new values
    my $paramtag = "CustomField-". $CustomFieldObj->Id ."-Value";
    if ( defined $ARGS{ $paramtag ."-new-Name" } && length $ARGS{ $paramtag ."-new-Name" } ) {
        my ($id, $msg) = $CustomFieldObj->AddValue(
            map { 
                $ARGS{$paramtag."-new-$_"} =~ s/^\s+//;
                $ARGS{$paramtag."-new-$_"} =~ s/\s+$//;
                $_ => $ARGS{ $paramtag ."-new-$_" } } grep { defined $ARGS{ $paramtag ."-new-$_" } } qw/ Name Description SortOrder Category/
        );
        my $cf_add = $ARGS{ $paramtag.'-new-Name' };
        $msg = loc("Custom field value [_1] added", $cf_add) if $id;
        push (@results, $msg);
    }
}

if ( $CustomFieldObj->id && $CustomFieldObj->IsOnlyGlobal ) {
    my ( $ret, $msg );
    my $object = $CustomFieldObj->RecordClassFromLookupType->new( $session{'CurrentUser'} );

    if ( $CustomFieldObj->Disabled && $CustomFieldObj->IsGlobal ) {
        ( $ret, $msg ) = $CustomFieldObj->RemoveFromObject($object);
    }
    elsif ( !$CustomFieldObj->Disabled && !$CustomFieldObj->IsGlobal ) {
        ( $ret, $msg ) = $CustomFieldObj->AddToObject($object);
    }

    # successful msg("object created" or "object deleted ) is useless here
    push @results, $msg unless $ret;
}

$id = $CustomFieldObj->id if $CustomFieldObj->id;

# This code does automatic redirection if any updates happen.
MaybeRedirectForResults(
    Actions     => \@results,
    Arguments   => { id => $id },
) if $CustomFieldObj->id;

if ( $CustomFieldObj->RenderType eq 'Checkbox' ) {
    $default_value_class = 'cfrendertype-Checkbox';

    if ( $CustomFieldObj->Values->Count < 2 ) {
        # Remind users a Checkbox should have two values
        push @results, 'Checkbox custom fields require two values, first for unchecked and the second for checked.';
    }
}

my $EnabledChecked = qq[checked="checked"];
$EnabledChecked = '' if $CustomFieldObj->Disabled;

my $UniqueValuesChecked = qq[checked="checked"];
$UniqueValuesChecked = '' if !$CustomFieldObj->UniqueValues;

my @CFvalidations = RT->Config->Get('CustomFieldValuesValidations');

$m->callback(CallbackName => 'ValidationPatterns', Values => \@CFvalidations);

</%INIT>
<%ARGS>
$id => undef
$TypeComposite => undef
$LookupType => RT::Ticket->CustomFieldLookupType
$MaxValues => undef
$SortOrder => undef
$Description => undef
$Pattern => undef
$Name => undef
$SetEnabled => undef
$Enabled => 0
$SetUniqueValues => undef
$UniqueValues => 0
$ValuesClass => 'RT::CustomFieldValues'
$CanonicalizeClass => undef
$RenderType => undef
$LinkValueTo => undef
$IncludeContentForValue => undef
$BasedOn => undef
$EntryHint => undef
$ValidationHint => undef
</%ARGS>
