/* Copyright 2009 the Melange authors.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *   http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

*

* @author <a href="mailto:ajaksu@gmail.com">Daniel Diniz</a>

* @author <a href="mailto:jamesalexanderlevy@gmail.com">James Levy</a>

*/

(function ($) {

  var DEFAULT_LONG_ANSWER_TEXT = 'Write a Custom Prompt For This Question...';

  var DEFAULT_SHORT_ANSWER_TEXT = 'Write a Custom Prompt...';

  $(function () {

    /*

    * == Set Selectors ==

    *

    */

    var widget = $('div#survey_widget');

    widget.parents('td.formfieldvalue:first').css({

      'float': 'left',

      'width': 200

    });

    /*

    * == Setup for existing surveys ==

    *

    */

    if ($('input#id_title').val() === '' && $('.formfielderror').length < 1) {

      widget.find('tr').remove();

    }

    widget.find('table:first').show();

    /*

    *  Restore survey content html from editPost

    *  if POST fails

    */

    var SURVEY_PREFIX = 'survey__';

                  "src='/soc/content/images/minus.gif'/></a>"].join("");

    var del_li = ["<a class='delete_item' id='del_",

                  "' ><img src='/soc/content/images/minus.gif'/></a> "];

    var survey_html = $('form').find("#id_survey_html").attr('value');

    function renderHTML() {

      // render existing survey forms

      $('ol').find('li').each(

        function () {

          $(this).prepend(del_li.join($(this).attr('id'))).end();

        }

      );

      widget.find('.short_answer').each(

        function () {

          $(this).attr('name', SURVEY_PREFIX + $(this).getPosition() +

                             'short_answer__' + $(this).attr('name'));

        }

      );

      // add index information to choice fields

      widget.find('[name=create-option-button]').each(

        function () {

          $(

            '#index_for_' + $(this).attr('value')

          )

          .val(

            $(this).getPosition()

          );

        }

      );

      widget.find('.long_answer').each(

        function () {

          $(this).attr('name', SURVEY_PREFIX + $(this).getPosition() +

                             'long_answer__' + $(this).attr('name'))

          .attr('overflow', 'auto');

          // TODO: replace scrollbar with jquery autogrow

        }

      );

    }

    if (survey_html && survey_html.length > 1) {

      widget.html(survey_html); // we don't need to re-render HTML

      widget.find('.long_answer,input').each(

        function () {

          $(this).val($(this).attr('val'));

        }

      );

    }

    else {

      renderHTML();

    }

    var survey = widget.find('tbody:first');

    var options = widget.find('#survey_options');

    /*

    * == Handle Enter key on dialogs ==

    */

    $('form input, form button, form select').keypress(

      function (e) {

        if ((e.which && e.which === 13) || (e.keyCode && e.keyCode === 13)) {

          $(this).parents('.ui-dialog:first').find(":button:first").click();

          return false;

        }

      }

    );

    /*

    * == Display survey answers inline ==

    */

    $('a.fetch_answers').click(

      function () {

        var user = this.id.replace('results_for_', '');

        var path = window.location.pathname;

        path = path.replace('/edit/', '/show/').replace('/results/', '/show/');

        // TODO(ajaksu) add Date().getTime() to query arg if needed

        var query = '?read_only=true&user_results=' + user;

        var scrollable = ['<div style="overflow-y: auto; ',

                          'margin-bottom: 100px;"></div>'].join("");

        $(scrollable).load(path + query + ' #survey_widget').dialog({

          title: user,

          height: 500,

          width: 700

        });

      }

    );

    /*

    * == Initiation ==

    *

    * Runs on PageLoad and Each Time Field is Added to Survey

    *

    */

    survey.bind('init',

      function () {

        // TODO(jamslevy) unnecessarily redundant

        // TODO(jamslevy) This should be refactored as a jQuery function that

        // acts on only a single field and it should be merged with renderHTML

        // since they have comparable functionality.

        widget.find('input').each(

          function () {

            if (($(this).val().length < 1 ||

            $(this).val() === DEFAULT_SHORT_ANSWER_TEXT) &&

            ($(this).attr('type') !== 'hidden')) {

              $(this).preserveDefaultText(DEFAULT_SHORT_ANSWER_TEXT);

            }

          }

        );

        widget.find('.long_answer, .tooltip_entry').each(

          function () {

            if ($(this).val().length < 1 ||

            $(this).val() === DEFAULT_LONG_ANSWER_TEXT) {

              $(this).preserveDefaultText(DEFAULT_LONG_ANSWER_TEXT);

            }

            $(this).growfield();

          }

        );

        widget.find('a.delete img').click(

          function () {

            // delete a field

            var this_field = $(this).parents('tr:first');

            var deleted_id = $(this_field).find('label').attr('for');

            var delete_this = confirm(["Deleting this field will remove all ",

                                       "answers submitted for this field. ",

                                       "Continue?"].join(""));

            if (delete_this) {

              var edit_form = $('#EditForm');

              var deleted_field = $('#__deleted__');

              if (deleted_field.val()) {

                deleted_field.val(deleted_field.val() + ',' +

                                  deleted_id.replace('id_', '')).end();

              }

              else {

                var deleted_input = $("<input type='hidden' value='" +

                                      deleted_id.replace('id_', '') + "' />");

                deleted_input.attr({'id': '__deleted__'}).attr({

                  'name': '__deleted__'

                });

                edit_form.append(deleted_input);

              }

              this_field.next('tr').remove().end()

                        .remove();

            }

          }

        );

        // Add list/choice-field item to survey

        $('[name=create-option-button]').each(

          function () {

            $(this).click(

              function () {

                var new_option_val = $('#new_item_field_ul_id');

                var new_option_dialog = $("#new_item_dialog");

                new_option_val.val($(this).parents('fieldset').children('ol')

                .attr('id'));

                new_option_dialog.dialog('open').find('input:first').focus();

              }

            )

            .hover(

              function () {

                $(this).addClass("ui-state-hover");

              },

              function () {

                $(this).removeClass("ui-state-hover");

              }

            )

            .mousedown(

              function () {

                $(this).addClass("ui-state-active");

              }

            )

            .mouseup(

              function () {

                $(this).removeClass("ui-state-active");

              }

            );

          }

        );

        options.find('.AddQuestion').click(

          function (e) {

            // Choose a field type

            $("#new_question_button_id").val($(this).attr('id'));

            var question_options_div = $('#question_options_div');

            if ($(this).attr('id') === 'choice')  {

              question_options_div.show();

            }

            else {

              question_options_div.hide();

            }

            $("#new_question_dialog").dialog('open').find('input:first')

            .focus();

          }

        );

      }).trigger('init')

      .bind('option_init',

        function () {

          // Delete list/choice-field item from survey

          widget.find('a.delete_item').click(

            function () {

              var to_delete = this.id.replace('del_', '');

              $('#delete_item_field').val(to_delete);

              $('#delete_item_dialog').dialog('open');

            }

          ).end();

        }

      ).trigger('option_init');

    /* GSOC ROLE-SPECIFIC FIELD PLUGIN

    * Choice between student/mentor renders required GSOC specific fields

    */

    var taking_access_field = $('select#id_taking_access');

    var addRoleFields = function (role_type) {

      // these should ideally be generated with django forms

      // TODO: apply info tooltips

      var CHOOSE_A_PROJECT_FIELD = [

        '<tr class="role-specific"><th><label>Choose Project:</label></th>',

        '<td> <select disabled=TRUE id="id_survey__NA__selection__project"',

        ' name="survey__1__selection__see"><option>Survey Taker\'s Projects',

        'For This Program</option></select> </td></tr>'

      ].join("");

      var CHOOSE_A_GRADE_FIELD = [

        '<tr class="role-specific"><th><label>Assign Grade:</label></th><td>',

        '<select disabled=TRUE id="id_survey__NA__selection__grade"',

        'name="survey__1__selection__see"><option>Pass/Fail</option></select>',

        '</td></tr>'

      ].join("");

      // flush existing role-specific fields

      var role_specific_fields = survey.find('tr.role-specific');

      role_specific_fields.remove();

      switch (role_type) {

      case "mentor evaluation":

        survey.prepend(CHOOSE_A_PROJECT_FIELD);

        survey.append(CHOOSE_A_GRADE_FIELD);

        break;

      case "student evaluation":

        survey.prepend(CHOOSE_A_PROJECT_FIELD);

        break;

      }

    };

    taking_access_field.change(

      function () {

        var role_type = $(this).val();

        addRoleFields(role_type);

      }

    );

    addRoleFields(taking_access_field.val());

    /*

    * == Survey Submission Handler ==

    */

    // Bind submit

    $('form').bind('submit',

      function () {

        /*

        * get rid of role-specific fields

        */

        survey.find('tr.role-specific').remove();

        /*

        * Save survey content html from editPost

        * if POST fails

        */

        // save field vals

        widget.find('.long_answer,input').each(

          function () {

            $(this).attr('val', $(this).val());

          }

        );

        $(this).find("#id_survey_html").attr('value', widget.html());

        // don't save default value

        widget.find('input').each(

          function () {

            if ($(this).val() === DEFAULT_SHORT_ANSWER_TEXT) {

              $(this).val('');

            }

          }

        );

        // don't save default value

        widget.find('.long_answer, .tooltip_entry').each(

          function () {

            if ($(this).val() === DEFAULT_LONG_ANSWER_TEXT) {

              $(this).val('');

            }

          }

        );

        // get rid of the options

        $('input#id_s_html')

        .val(

          widget

          .find(

            'div#survey_options'

          )

          .remove()

          .end()

          .html()

        );

        // only needed for HTML

        // Get option order per field

        survey.find('.sortable').each(

          function () {

            $('#order_for_' + this.id)

            .val(

              $(this).sortable(

                'serialize'

              )

            );

          }

        );

      }

    );

  });

}(jQuery));

(function ($) {

  /*

  * == Utils ==

  *

  */

  jQuery.fn.extend({

    // get position of survey field

    getPosition: function () {

      var this_fieldset = $(this).parents('fieldset:first');

      var this_table = this_fieldset.parents('table:first');

      var position = this_table.find('fieldset').index(this_fieldset) + '__';

      return position;

    }

  });

}(jQuery));

(function ($) {

  /*

  * == Sortable options ==

  */

  $(function () {

    $(".sortable").each(

      function (i, domEle) {

        $(domEle).sortable().disableSelection().end();

      }

    );

  });

}(jQuery));

(function ($) {

  /*

  * == Editable options ==

  */

  $(function () {

    function onSubmitEditable(content) {

      var id_ = $(this).parent().attr('id').replace('-li-', '_');

      id_ = id_ + '__field';

      $('#' + id_).val(content.current);

    }

    $('.editable_option').editable({

      editBy: 'dblclick',

      submit: 'change',

      cancel: 'cancel',

      onSubmit: onSubmitEditable

    });

  });

}(jQuery));

(function ($) {

  $(function () {

  var del_li = ["<a class='delete_item' id='del_",

                "' ><img src='/soc/content/images/minus.gif'/></a> "];

    // Confirmation dialog for deleting list/choice-field item from survey

    $("#delete_item_dialog").dialog({

      autoOpen: false,

      bgiframe: true,

      resizable: false,

      height: 300,

      modal: true,

      overlay: {

        backgroundColor: '#000',

        opacity: 0.5

      },

      buttons: {

        'Delete this item': function () {

          $('#' + $('#delete_item_field').val()).remove();

          $('#delete_item_field').val('');

          $(this).dialog('close');

        },

        Cancel: function () {

          $('#delete_item_field').val('');

          $(this).dialog('close');

        }

      }

    });

    //  Dialog for adding list/choice-field item to survey

    $("#new_item_dialog").dialog({

      bgiframe: true,

      autoOpen: false,

      height: 300,

      modal: true,

      buttons: {

        'Add option': function () {

          var ol_id =  $('#new_item_field_ul_id').val();

          var ol = $('#' + ol_id);

          var name = $('#new_item_name').val();

          var i = ol.find('li').length;

          var id_ = 'id_' + ol_id + '_' + i;

          var option_html = $([

            '<li id="id-li-', ol_id, '_', i,

            '" class="ui-state-defaolt sortable_li">',

            '<span class="ui-icon ui-icon-arrowthick-2-n-s"></span>',

            '<span id="', id_, '" class="editable_option" name="', id_,

            '__field">', name, '</span>', '<input type="hidden" id="', id_,

            '__field" name="', id_, '__field" value="',

            name.replace(/\"/g,'&quot;'), '" >', '</li>'

          ].join(""));

          ol.append(

            option_html

            .prepend(

              del_li.join(

                option_html.attr('id')

              )

            )

          );

          ol.sortable().disableSelection();

          $('#new_item_name').val('');

          $('#new_item_field_ol_id').val('');

          $(this).dialog('close');

        },

        Cancel: function () {

          $('#new_item_name').val('');

          $('#new_item_field_ul_id').val('');

          $(this).dialog('close');

        }