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Show course personnel for modifying parameters.

<helper title="Course Parameter Helper" requiredpriv='opa'>

  <exec>
    # 'dateTypeHash' should really be renamed now that we have tries...
    my %dateTypeHash = ('open_date' => "opening date",
                        'due_date' => "due date",
                        'answer_date' => "answer open date",
                        'tries' => 'number of tries'
                       );
    my %levelTypeHash = ('whole_course' => "all problems in the course",
                         'map' => 'the selected folder',
                         'resource' => 'the selected problem');
    $helper->{DATA}->{'dateTypeHash'} = \%dateTypeHash;
    $helper->{DATA}->{'levelTypeHash'} = \%levelTypeHash;

    $helper->{DATA}->{'levelType'} = sub { 
           return $helper->{DATA}->{'levelTypeHash'}->{$helper->{VARS}->{GRANULARITY}};
       };

    $helper->{DATA}->{'dateType'} = sub { 
           return $helper->{DATA}->{'dateTypeHash'}->{$helper->{VARS}->{ACTION_TYPE}};
       };

  </exec>

  <state name="START" title="Welcome to the Assignment Parameter Helper">
    <message nextstate="CHOOSE_LEVEL">
        <p>This helper will assist you in <b>setting the open,
	   due, and answer dates</b> for problems, or in
           <b>setting the number of tries</b> for problems.</p>

        <p>You will be asked to <b>select which problems</b> you wish to
           set the parameters for, then <b>what parameter</b> you 
           wish to set, then you will select <b>whom the setting
           affects</b>.</p>

        <p>After the helper is done, you will be shown where in
           the advanced interface you would have gone to set
           the parameter you have chosen, so in the future you
           can do it directly.</p>

        <p>Press <b>Next -&gt;</b> to begin, or select <b>&lt;- 
           Previous</b> to go back to the previous screen.</p>
      </message>    
    </state>

  <state name="CHOOSE_LEVEL" title="Which Problem or Problems?">
    <message>Which problems do you wish to set a parameter for?</message>
    <choices variable="GRANULARITY">
      <choice computer="whole_course" nextstate="CHOOSE_ACTION">
        <b>Every problem</b> in the course
        </choice>
      <choice computer="map" nextstate="CHOOSE_FOLDER">
        Every problem in <b>a particular folder</b>
        </choice>
      <choice computer="resource" nextstate="CHOOSE_RESOURCE">
        <b>One particular problem</b>
        </choice>
      </choices>
    </state>

  <state name="CHOOSE_FOLDER" title="Select Folder">
    <message>Select the folder you wish to set the parameter for:</message>

    <resource variable="RESOURCE_ID">
      <nextstate>CHOOSE_ACTION</nextstate>
      <filterfunc>return $res->is_map()</filterfunc>
      <valuefunc>return $res->map_pc();</valuefunc>
      </resource>
    </state>

  <state name="CHOOSE_RESOURCE" title="Select Problem">
    <message>Select the problem you wish to set the parameter for:</message>

    <resource variable="RESOURCE_ID" nextstate="CHOOSE_ACTION">
      <nextstate>CHOOSE_ACTION</nextstate>
      <filterfunc>return $res->is_map || $res->is_problem()</filterfunc>
      <choicefunc>return $res->is_problem()</choicefunc>
      </resource>
    </state>

  <state name="CHOOSE_ACTION" title="Parameter Type">
    <eval>return 'What parameter do you want to set for ' . 
      &{$helper->{DATA}->{'levelType'}}()
      . '?';
      </eval>
    <choices variable="ACTION_TYPE">
      <nextstate>CHOOSE_DATE</nextstate>
      <choice computer="open_date" nextstate="CHOOSE_DATE">Set an <b>open date</b></choice>
      <choice computer="due_date" nextstate="CHOOSE_DATE">Set a <b>due date</b></choice>
      <choice computer="answer_date" nextstate="CHOOSE_DATE">Set an <b>answer open date</b></choice>
      <choice computer="tries" nextstate="CHOOSE_TRIES">Set the <b>number of tries</b></choice>
      </choices>
    </state>

  <state name="CHOOSE_TRIES" title="Set Number of Tries">
    <eval>return 'How many tries should be set for ' . 
      &{$helper->{DATA}->{'levelType'}}()
      . '?<br />';
      </eval>
    <string nextstate="CHOOSE_STUDENT_LEVEL" variable="TRIES">
      <validator>if ($val !~ /^[1234567890]+$/) { 
                   return '&quot;' . $element->getValue() . '&quot; is not '.
                     'an acceptable number of tries. Tries must be a postive number ' .
                     'with no decimal point.';} 
                 return undef;
        </validator>
      </string>
    </state>

  <state name="CHOOSE_DATE" title="Set Date">
    <eval>
      return 'What should the ' .
       &{$helper->{DATA}->{'dateType'}}() . 
       ' be set to? <br /><br />';
      </eval>
    <date variable="PARM_DATE" hoursminutes='1'>
      <nextstate>CHOOSE_STUDENT_LEVEL</nextstate>
      </date>
    </state>

  <state name="CHOOSE_STUDENT_LEVEL" title="Students Affected">
    <eval>
      return 'Set ' . 
       &{$helper->{DATA}->{'dateType'}}() .
        'for ' .
       &{$helper->{DATA}->{'levelType'}}() .
        ' for. . .';
      </eval>
    <choices variable="TARGETS">
      <choice computer="course" nextstate="FINISH">
         . . . for <b>all students</b> in the course</choice>
      <choice computer="section" nextstate="CHOOSE_SECTION">
         . . . for a particular <b>section</b></choice>
      <choice computer="student" nextstate="CHOOSE_STUDENT">
         . . . for an individual <b>student</b></choice>
      </choices>
    </state>

  <state name="CHOOSE_SECTION" title="Select Section">
    <eval>
      return 'Please select the section you wish to set the ' .
       &{$helper->{DATA}->{'dateType'}}() .
         ' for:<br />';</eval>
    <section variable="SECTION_NAME" nextstate="FINISH" />
    </state>

  <state name="CHOOSE_STUDENT" title="Select Student">
    <eval>
      return 'Please select the student you wish to set the ' .
       &{$helper->{DATA}->{'dateType'}}() .
         ' for:<br />';</eval>
    <student variable="USER_NAME" nextstate="FINISH" coursepersonnel='1'/>
    </state>

  <state name="FINISH" title="Verify Selection">
    <parmwizfinal />
    </state>

  </helper>