utils.js

/* utils.js - utility functions */

// set X-CSRFToken AJAX request header
// from https://docs.djangoproject.com/en/dev/ref/contrib/csrf/#ajax

function getCookie(name) {
    var cookieValue = null;
    if (document.cookie && document.cookie != '') {
        var cookies = document.cookie.split(';');
        for (var i = 0; i < cookies.length; i++) {
            var cookie = cookies[i].trim();
            // Does this cookie string begin with the name we want?
            if (cookie.substring(0, name.length + 1) == (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}
var csrftoken = getCookie('csrftoken');

function csrfSafeMethod(method) {
    // these HTTP methods do not require CSRF protection
    return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}
function sameOrigin(url) {
    // test that a given url is a same-origin URL
    // url could be relative or scheme relative or absolute
    var host = document.location.host; // host + port
    var protocol = document.location.protocol;
    var sr_origin = '//' + host;
    var origin = protocol + sr_origin;
    // Allow absolute or scheme relative URLs to same origin
    return (url == origin || url.slice(0, origin.length + 1) == origin + '/') ||
        (url == sr_origin || url.slice(0, sr_origin.length + 1) == sr_origin + '/') ||
        // or any other URL that isn't scheme relative or absolute i.e relative.
        !(/^(\/\/|http:|https:).*/.test(url));
}
$.ajaxSetup({
    beforeSend: function(xhr, settings) {
        if (!csrfSafeMethod(settings.type) && sameOrigin(settings.url)) {
            // Send the token to same-origin, relative URLs only.
            // Send the token only if the method warrants CSRF protection
            // Using the CSRFToken value acquired earlier
            xhr.setRequestHeader("X-CSRFToken", csrftoken);
        }
    }
});

// end set csrftoken

//returns the requested GET parameter from the URL
function get_param(param) {
    var regex = '[?&]' + param + '=([^&#]*)';
    var results = (new RegExp(regex)).exec(window.location.href);
    if(results) return results[1];
    return '';
}

function restripe(id) {
      $(id + ' tbody tr:visible:even').removeClass('row1 row2').addClass('row1');
      $(id + ' tbody tr:visible:odd').removeClass('row1 row2').addClass('row2');
}

function init_area_table() {
  // add "Show All" button
  $("#areas-button-list").append('<li><button type="button" id="areas-list-toggle" value="Show All">Show All</button></li>');
  // register button
  $("#areas-list-toggle").click(function() {
      if (this.value == "Show All") {
          $('#areas-list-table tbody tr:not(.active)').show();
          $(this).val("Show Active");
          $(this).text("Show Active");
      } else if (this.value == "Show Active") {
          $('#areas-list-table tbody tr:not(.active)').hide();
          $(this).val("Show All");
          $(this).text("Show All");
      }
      // restripe the table
      restripe('#areas-list-table');
  });
  // hide non-active areas
  $('#areas-list-table tbody tr:not(.active)').hide();
  restripe('#areas-list-table');
}

function style_current_tab() {
    path_array = window.location.pathname.split('/');
    page = path_array[path_array.length-2];
    id = "#nav-" + page;
    $(id + ' a').addClass('current');
}


/*********************************
/*Functions : For Proceedings    */
/*********************************/
function change_material_type(obj) {
    if (obj.value == "Agenda") {
        alert('agenda');
    }
}

function init_proceedings_upload() {
  // dynamic help message
  $('#id_material_type').on("change", function() {
    if(this.value == "slides") {
      //alert('Presentation handler called');
      $('div#id_file_help').html("Note 1: You can only upload a presentation file in txt, pdf, doc, or ppt/pptx. System will not accept presentation files in any other format.<br><br>Note 2: All uploaded files will be available to the public immediately on the Preliminary Page. However, for the Proceedings, ppt/pptx files will be converted to html format and doc files will be converted to pdf format manually by the Secretariat staff.");
      $('#id_slide_name').attr('disabled', false);
    }
    if(this.value == "minutes") {
      //alert('Minutes handler called');
      $('div#id_file_help').html("Note: You can only upload minutes in txt/html/ppt/pdf formats. System will not accept minutes in any other format.");
      $('#id_slide_name').attr('disabled', true);
      $('#id_slide_name').val('');
    }
    if(this.value == "agenda") {
      //alert('Agenda handler called');
      $('div#id_file_help').html("Note: You can only upload agendas in txt/html/ppt/pdf formats. System will not accept agendas in any other format.");
      $('#id_slide_name').attr('disabled', true);
      $('#id_slide_name').val('');
    }
  });

  // handle slide sorting
  $('#slides.sortable tbody').sortable({
     axis:'y',
     //containment:'parent',
     update: function(event, ui){  
         var data = $(this).sortable("toArray");
         var element_id = ui.item.attr("id");
         var slide_name = $("tr#"+element_id+" td.hidden").text();
         var order = $.inArray(element_id,data);
         $.post('/secr/proceedings/ajax/order-slide/',{'slide_name':slide_name,'order':order});
         // restripe the table
        restripe('#slides.sortable');
     }
  }).disableSelection();
}

function init_proceedings_table() {
  // do only if table with secretariat class exists
  if ($('table.secretariat').length) {
    // add "Show All" button
    $("#proceedings-meeting-buttons").append('<li><button type="button" id="proceedings-list-toggle" value="Show All">Show All</button></li>');
    // register button
    $("#proceedings-list-toggle").click(function() {
	if (this.value == "Show All") {
	    $('#proceedings-list-table tbody tr:not(.open)').show();
	    $(this).val("Show Active");
	    $(this).text("Show Active");
	} else if (this.value == "Show Active") {
	    $('#proceedings-list-table tbody tr:not(.open)').hide();
	    $(this).val("Show All");
	    $(this).text("Show All");
	}
	// restripe the table
	restripe('#proceedings-list-table');
    });
    // hide non-active areas
    $('#proceedings-list-table tbody tr:not(.open)').hide();
    restripe('#proceedings-list-table');
  }
}

$(document).ready(function() {
  // set focus --------------------------------
  if ( $("form[id^=group-role-assignment-form]").length > 0) {
      $("#id_role_type").trigger("focus");
  } else if ( $("form[id=draft-search-form]").length > 0) {
      $("#id_filename").trigger("focus");
  } else if ( $("form[id=drafts-add-form]").length > 0) {
      $("#id_title").trigger("focus");
  } else if ( $("form[id=proceedings-add-form]").length > 0) {
      $("#id_start_date").trigger("focus");
  } else if ( $("form[id=proceedings-upload-form]").length > 0) {
      $("#id_group_name").trigger("focus");
  } else if ( $("form[id=session-request-form]").length > 0) {
      $("#id_num_session").trigger("focus");
  } else if ( $(".rooms-times-nav").length > 0){
      $("li.selected a").trigger("focus");
  } else {
      $("input:text:visible:enabled:first").trigger("focus");
  }


  // unset Primary Area selection unless it appears as URL parameter 
  //if (($('#id_primary_area').length) && (get_param('primary_area') == '')) {
  //    $('#id_primary_area')[0].selectedIndex = -1;

  // special features for area list page
  if ($('#areas-button-list').length) {
      init_area_table();
  }
  // Setup autocomplete for adding names 
  if ($('input.name-autocomplete').length) {
      $('input.name-autocomplete').autocomplete({
          source: "/secr/areas/getpeople/",
          minLength: 3,
          select: function(event, ui) {
              //match number inside paren and then strip paren
              var id = ui.item.label.match(/\(\d+\)/);
              var val = id[0].replace(/[\(\)]/g, "");
              //alert(id,val);
              //alert(id.match(/\d+/));
              $.getJSON('/secr/areas/getemails/',{"id":val},function(data) {
                  $('#id_email option').remove();
                  $.each(data,function(i,item) {
                      $('#id_email').append('<option value="'+item.id+'">'+item.value+'</option>');
                  });
              });
          }
      });
  }

  // nav bar setup
  if ($('ul#list-nav').length) {
      style_current_tab();
  }

  // auto populate Area Director List when primary area selected (add form)
  $('#id_primary_area').on("change", function(){
      $.getJSON('/secr/groups/get_ads/',{"area":$(this).val()},function(data) {
          $('#id_primary_area_director option').remove();
          $.each(data,function(i,item) {
              $('#id_primary_area_director').append('<option value="'+item.id+'">'+item.value+'</option>');
          });
      });
  });

  // auto populate Area Director List when area selected (edit form)
  $('#id_ietfwg-0-primary_area').on("change", function(){
      $.getJSON('/secr/groups/get_ads/',{"area":$(this).val()},function(data) {
          $('#id_ietfwg-0-area_director option').remove();
          $.each(data,function(i,item) {
              $('#id_ietfwg-0-area_director').append('<option value="'+item.id+'">'+item.value+'</option>');
          });
      });
  });

  // special features for Proceedings list page
  if ($('#proceedings-button-list').length) {
      init_proceedings_table();
  }

  // special features for Proceedings Upload Material Page 
  if ($('#proceedings-upload-table').length) {
      init_proceedings_upload();
  }

});