Metacat

var fullDocId;

//log the user in 

function login()

{

  var user = document.getElementById("un").value;

  var org = document.getElementById("org").value;

  var pass = document.getElementById("pw").value;

  var ldapUsername = 'uid=' + user + ',o=' + org + ',dc=ecoinformatics,dc=org';

  $.get("metacat", {username: ldapUsername, password: pass, action:"login", qformat:"xml"}, 

    function(data) {

      //alert('user ' + ldapUsername + ' logged in.  data:' + data);

      if(data.indexOf('<sessionId>') != -1)

      { //login successful

        //alert('user logged in');

        slideUp("#loginformdiv");

        setCookie("sms-login", true);

        setCookie("sms-user", user);

        setCookie("sms-org", org);

        setLoginHeader(true);

        checkLogin();

      }

      else

      { //login not successful

        alert('Sorry, your login failed.  Please try again.  If you need a username, please go to http://knb.ecoinformatics.org.');

        setCookie("sms-login", false);

      }

    }, "XML");

}

//update the users status on the page

function updateStatus()

{

  var url = window.location.href;

  if(url.indexOf('docid') != -1)

  { //if there's a docid in the url, set the cookie

    var docid = url.substring(url.indexOf("docid=") + 6, url.indexOf("&status"));

    var docidcookie = getCookie("sms-lastdocid");

    if(docid != docidcookie)

    { //set the cookie for next time

      setCookie("sms-lastdocid", docid);

      //slideDown("#uploadstatus");

      $('#uploadstatus').css("display", "block");

    }

    else

    { //hide the status

      $('#uploadstatus').css("display", "none");

      //slideUp("#uploadstatus");

    }

  }

}

//set the header when the user logs in

function setLoginHeader(loggedin)

{

  if(loggedin)

  {

    updateStatus();

    var user = getCookie("sms-user");

    $('#loginheader').replaceWith("<h2 style=\"text-align:center\" id=\"loginheader\">" 

      + user + " Logged In <a href=\"javascript:logout()\" style=\"font-size:70%\">[logout]</a></h2>");

    slideUp("#loginformdiv");

    $('#maindiv').css("display", "block");

    $('#bottomimg').css("bottom", "0px");

    getId();

  }

  else

  {

    $('#loginheader').replaceWith("<h2 style=\"text-align:center\" id=\"loginheader\">" 

      + "Please Log In</h2>");

    slideDown("#loginformdiv");

    $('#maindiv').css("display", "none");

    $('#bottomimg').css("bottom", "15px");

  }

}

//log the user out.

function logout()

{

  $.get("metacat", {action:"logout", qformat:"xml"});

  setLoginHeader(false);

  setCookie("sms-login", false);

}

//make sure the given docid is public then call checkLogin()

function checkPublicAccess(docid)

{

  var lastpublicaccess = getCookie("sms-last-public-access");

  if(lastpublicaccess == null || lastpublicaccess != docid)

  { //only make it public if it wasn't already made public

    makepublic(docid);

  }

  checkLogin();

}

//make sure the user is logged in.

function checkLogin()

{

  var currentTab = getCookie("sms-current-tab");

  if(getCookie("sms-login") == "true")

  {

    setLoginHeader(true);

    showDatasets();

    if(currentTab == null || currentTab == 'search')

    {

      showSearchPane();

    }

    else

    {

      if(currentTab == 'browse')

      {

        showBrowsePane();

      }

      else if(currentTab == 'upload')

      {

        showUploadPane();

      }

    }

  }

  else

  {

    setLoginHeader(false);

  }

}

//search the document base in metacat

function search()

{

  var searchval = document.getElementById("searchtextbox").value

  var url = '/sms/metacat?action=query&anyfield=' + searchval + '&returnfield=dataset/title&qformat=sms&pagesize=10&pagestart=0';

  setCookie("sms-searchval", searchval);

  setCookie("sms-pagestart", 0);

  reloadSearchContent(url);

}

//show all of the datasets in metacat

function showDatasets()

{

  var searchval = getCookie('sms-searchval');

  if(searchval == null || searchval == '')

  {

    searchval = '%25';

  }

  var currentTab = getCookie('sms-current-tab');

  var page;

  if(currentTab == null)

  {

    page = 0;

  }

  else if(currentTab == 'search' || currentTab == 'upload')

  {

    page = getCookie('sms-search-pagestart');

  }

  else

  {

    page = getCookie('sms-browse-pagestart');

    setCookie('sms-browse-content-loaded', 'true');

    searchval = '%25';

  }

  if(page)

  {

    reloadSearchContent('/sms/metacat?action=query&anyfield=' + searchval + '&returnfield=dataset/title&qformat=sms&pagesize=10&pagestart=' + page);

  }

  else

  {

    reloadSearchContent('/sms/metacat?action=query&anyfield=' + searchval + '&returnfield=dataset/title&qformat=sms&pagesize=10&pagestart=0');

  }

}

//reload the search result table

function reloadSearchContent(url)

{

  var table;

  var div;

  var page = url.substring(url.indexOf('pagestart=') + 10, url.length);

  var currentTab = getCookie('sms-current-tab');

  if(currentTab == null || currentTab == 'search' || currentTab == 'upload')

  {

    table = '#searchresulttable';

    div = '#searchresultdiv'

    setCookie("sms-search-pagestart", page);

  }

  else if(currentTab == 'browse')

  {

    table = '#browseresulttable';

    div = '#browseresultdiv'

    setCookie("sms-browse-pagestart", page);

  }

  $(table).load(url);

}

//upload a file to metacat

function uploadfile()

{

  if(getCookie("sms-login") != "true")

  {

    alert('You cannot upload.  You are not logged in.');

    return;

  }

  if(!checkId(true))

  { //make sure the id is valid

    alert('The ID prefix you chose is not valid.  The prefix must be a string of alpha characters only.');

  }

  else

  {

    if(document.getElementById("datafile").value == null || document.getElementById("datafile").value == "")

    {

      alert('You must choose a file to upload.');

      return;

    }

    getId(true, true, true);

  }

}

//make a document public

function makepublic(docid)

{

  $.get("/sms/metacat?action=setaccess&docid=" + docid + 

        "&principal=public&permission=read&permType=allow&permOrder=allowFirst",

        function(data) {

          if(data.indexOf("<success>") != -1)

          {

            slideUp("#uploadstatus");

            $("#uploadstatus").html('<p>The document with id ' + 

              '<a href="/sms/metacat?action=read&docid=' + docid + '&qformat=sms">' + docid + 

              '</a> is now publicly readable.</p>');

            slideDown("#uploadstatus");

            setCookie("sms-last-public-access", docid);

          }

          else

          {

            alert('The access control changes for ' + docid + ' failed.  It is not publicly readable.');

          }

        }, "XML");

}

//get the next id and put it in the id text boxes

function getId(setFields, setForm, submitForm)

{

  if(setFields == null)

  {

    setFields = true;

  }

  if(setForm == null)

  {

    setForm = false;

  }

  if(submitForm == null)

  {

    submitForm = false;

  }

  var scopeStr = document.getElementById("docidfamily").value;

  //var scopeStr = $('#docidfamily').value;

  if(scopeStr == '' || scopeStr == null)

  {

    scopeStr = "sms";

  }

  $.get("metacat", {action:"getlastdocid", scope:scopeStr}, 

      function(data)

      {

        var docid = data.substring(data.indexOf("<docid>") + 7, data.indexOf("</docid>"));

        var nextid;

        if(docid == 'null')

        {

          nextid = 1;

        }

        else

        {

          nextid = docid.substring(docid.indexOf(".") + 1, docid.lastIndexOf("."));

          nextid++;

          //nextid = scopeStr + nextid + ".1"; 

        }

        //$('#docidtextfield').val(nextid);

        if(setFields)

        {

          $('#docidfamily').val(scopeStr);

          $('#docidnumber').val(nextid);

          $('#docidrevision').val("1");

        }

        fullDocId = scopeStr + "." + nextid + ".1";

        //alert('fullDocId: ' + fullDocId);

        if(setForm)

        {

          //alert('setting docid to ' + fullDocId);

          $('#docid').val(fullDocId);

        }

        if(submitForm)

        {

          $("form").submit();

        }

      }, 

      "XML");

}

//check for a valid docid

function checkId(setForm)

{

  if(setForm == null)

  {

    setForm = false;

  }

  getId(false, setForm, false);

  var scopeStr = document.getElementById("docidfamily").value;

  var numberStr = document.getElementById("docidnumber").value;

  var userDocid = scopeStr + "." + numberStr; 

  //fullDocId is a global var that gets set by getId()

  var nextnum = fullDocId.substring(fullDocId.indexOf(".") + 1, fullDocId.lastIndexOf("."));

  var regexp = "[^[[a-z]|[A-Z]]+]"; //search for anything thats not an alpha 

  var re = new RegExp(regexp);

  var match = re.test(scopeStr);

  if(match)

  { //if it matches, reject

    return false;

  }

  return true;

}

//show the search tab

function showSearchPane()

{

  setCookie('sms-current-tab', 'search');

  //hide all, then slide down the search pane

  $('#uploaddiv').hide();

  $('#browseresultdiv').hide();

  $('#searchdiv').fadeIn("slow");

  switchTabs('search');

}

//show the upload tab

function showUploadPane()

{

  setCookie('sms-current-tab', 'upload');

  //hide all, then slide down the upload pane

  $('#searchdiv').hide();

  $('#browseresultdiv').hide();

  $('#uploaddiv').fadeIn("slow");

  $('#uploadetabimg').hide();

  $('#uploadtabimgsel').show();

  switchTabs('upload');

}

//show the browse tab

function showBrowsePane()

{

  setCookie('sms-current-tab', 'browse');

  var page = getCookie('sms-browse-pagestart');

  if(!page)

  {

    page = 0;

  }

  var contentLoaded = getCookie('sms-browse-content-loaded');

  if(!contentLoaded)

  {

    reloadSearchContent('/sms/metacat?action=query&anyfield=%25&returnfield=dataset/title&qformat=sms&pagesize=10&pagestart=' + page);

  }

  //hide all, then slide down the browse pane

  $('#searchdiv').hide();

  $('#uploaddiv').hide();

  $('#browseresultdiv').fadeIn("slow");

  $('#browsetabimg').hide();

  $('#browsetabimgsel').show();

  switchTabs('browse');

}

//switch to a given tab

function switchTabs(tab)

{

  if(tab == 'browse')

  {

    $('#searchtabimg').show();

    $('#uploadtabimg').show();

    $('#browsetabimg').hide();

    $('#uploadtabimgsel').hide();

    $('#browsetabimgsel').show();

    $('#searchtabimgsel').hide();

  }

  else if(tab == 'search')

  {

    $('#searchtabimg').hide();

    $('#uploadtabimg').show();

    $('#browsetabimg').show();

    $('#uploadtabimgsel').hide();

    $('#browsetabimgsel').hide();

    $('#searchtabimgsel').show();

  }

  else if(tab == 'upload')

  {

    $('#searchtabimg').show();

    $('#uploadtabimg').hide();

    $('#browsetabimg').show();

    $('#uploadtabimgsel').show();

    $('#browsetabimgsel').hide();

    $('#searchtabimgsel').hide();

  }

}

//slide an element up

function slideUp(id)

{

  $(id).slideUp("slow");

}

//slide and element down

function slideDown(id)

{

  $(id).slideDown("slow");

}

//set a cookie

function setCookie( name, value, expires, path, domain, secure ) 

{

  // set time, it's in milliseconds

  var today = new Date();

  today.setTime( today.getTime() );

  /*

  if the expires variable is set, make the correct 

  expires time, the current script below will set 

  it for x number of days, to make it for hours, 

  delete * 24, for minutes, delete * 60 * 24

  */

  if ( expires )

  {

    expires = expires * 1000 * 60 * 60 * 24;

  }

  var expires_date = new Date( today.getTime() + (expires) );

  document.cookie = name + "=" +escape( value ) +

  ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 

  ( ( path ) ? ";path=" + path : "" ) + 

  ( ( domain ) ? ";domain=" + domain : "" ) +

  ( ( secure ) ? ";secure" : "" );

}

//get a cookie

function getCookie( check_name ) {

	// first we'll split this cookie up into name/value pairs

	// note: document.cookie only returns name=value, not the other components

	var a_all_cookies = document.cookie.split( ';' );

	var a_temp_cookie = '';

	var cookie_name = '';

	var cookie_value = '';

	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )

	{

		// now we'll split apart each name=value pair

		a_temp_cookie = a_all_cookies[i].split( '=' );

		// and trim left/right whitespace while we're at it

		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name

		if ( cookie_name == check_name )

		{

			b_cookie_found = true;

			// we need to handle case where cookie has no value but exists (no = sign, that is):

			if ( a_temp_cookie.length > 1 )

			{

				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );

			}

			// note that in cases where cookie is initialized but no value, null is returned

			return cookie_value;

			break;

		}

		a_temp_cookie = null;

		cookie_name = '';

	}

	if ( !b_cookie_found )

	{

		return null;

	}

}