/* Menu Functions */

// -----------------------------------------------------------------------------
// Function    : toggleCheckboxesWithPrefix
// Description :
// Usage       : <input type="checkbox" ... onclick="toggleCheckboxesWithPrefix(this.checked, 'fieldPrefix')">
// -----------------------------------------------------------------------------

function toggleCheckboxesWithPrefix(checkBool, prefix) {

  // TODO: we could update this function to look over all the elements in the page
  // instead of just in the first form

  var prefixRegexp = new RegExp('^' + prefix);
  var thisForm     = document.forms[0];
  var elementCount = thisForm.length;  // element count

  for (index=0; index < elementCount; index++) {
    var thisElement = thisForm.elements[index];
    if (thisElement.type != 'checkbox')        { continue; }
    if (!thisElement.name.match(prefixRegexp)) { continue; }
    thisElement.checked = checkBool;
  }

}

/* ------------------------------------------------------------------------- *\
  Function    : previewWithoutSaving
  Description :
  Usage       :
\* ------------------------------------------------------------------------- */

function previewWithoutSaving(formId, menuName) {

  var formObj      = document.getElementById(formId);
  var previewField = document.getElementById('_preview');

  //
  saveWysiwygContentToHiddenFields();

  // set form target and preview field
  formObj.target     = "_blank";
  previewField.name = "action=" +menuName+ "Preview";
  formObj.submit();

  // reset form target and preview field to original values
  formObj.target    = "";
  previewField.name = previewField.id;

}

// -----------------------------------------------------------------------------
// Function    : uploadFiles
// Description : popup an upload window
// -----------------------------------------------------------------------------

function uploadFilesPopup(tablename, fieldname, uploadType) {

  // error checking
  if (typeof(tablename) == 'tablename'  || tablename == '')  { error('uploadFiles: no tablename specified!'); }
  if (typeof(fieldname) == 'undefined'  || fieldname == '')  { error('uploadFiles: no fieldname specified!'); }
  if (typeof(uploadType) == 'undefined' || uploadType == '') { error('uploadFiles: no uploadType specified!'); }

  // get max uploads allowed (minus the number already uploaded
  var listdata   = _listdata_loadAll(fieldname);
  var maxRows    = document.getElementById(fieldname + ':maximum_rows_allowed').value;
  var rowCount   = _dlist_getVisibleRowCount(listdata);
  var maxUploads = maxRows - rowCount;
  if (maxUploads <= 0) { error('uploadFiles: no more uploads are allowed!'); }

  // launch child window
  var _cgiurl = document.getElementById('_cgiurl').value;
  var url     = _cgiurl + '?action=uploadForm';
  url        += '&tablename='  + tablename;
  url        += '&fieldname='  + fieldname;
  url        += '&uploadType=' + uploadType;
  url        += '&maxUploads=' + maxUploads;

  popup(url, 775, 400, 'uploadWindow');
}


// -----------------------------------------------------------------------------
// Function    : modifyUploadAttributes
// Description : popup a modify attributes window
// Usage       : onclick="modifyUploadAttributesPopup(fieldname, uploadType)"
// -----------------------------------------------------------------------------

function modifyUploadAttributesPopup(tablename, fieldname, uploadType) {

  // error checking
  if (typeof(tablename) == 'tablename'  || tablename == '')  { error('uploadFiles: no tablename specified!'); }
  if (typeof(fieldname) == 'undefined'  || fieldname == '')  { error('modifyUploadAttributes: no fieldname specified!'); }
  if (typeof(uploadType) == 'undefined' || uploadType == '') { error('modifyUploadAttributes: no uploadType specified!'); }

  // get max uploads allowed (minus the number already uploaded
  var listdata   = _listdata_loadAll(fieldname);
  var maxRows    = document.getElementById(fieldname + ':maximum_rows_allowed').value;
  var rowCount   = _dlist_getVisibleRowCount(listdata);
  var maxUploads = maxRows - rowCount;

  // launch child window
  var _cgiurl = document.getElementById('_cgiurl').value;
  var url     = _cgiurl + '?action=modifyUploadAttributes';
  url        += '&tablename='  + tablename;
  url        += '&fieldname='  + fieldname;
  url        += '&uploadType=' + uploadType;
  url        += '&maxUploads=' + maxUploads;

  popup(url, 775, 400, 'uploadWindow');
}

// -----------------------------------------------------------------------------
// Function    : createListRowForSingleUpload
// Description : create HTML for a row (used when generating and updating list)
// -----------------------------------------------------------------------------

function createListRowForSingleUpload(fields) {

  // short alias fields
  var fnPrefix    = fields._listname +':'+ fields._num +':';            // fieldname:rownum
  var nameNumArgs = "'" + fields._listname + "','" + fields._num + "'"; // 'listname','rownum'

  // html encoded values before we insert them into HTML
  for (var thisname in fields) {
    fields[thisname] = htmlEncode( fields[thisname] );
  }

  //
  // NOTE: All Form fields must have fieldname Prefixes!
  //

  // define extra fields
  var _uploadurl = document.getElementById('_uploadurl').value;
  var previewImageHTML = '';
  if (fields.isImage == 1) {
    if (fields.hasThumbnail == 1) { previewImageHTML = '<img src="' +_uploadurl +fields.thumbnailPathFromUploadDir+ '" width=50 border=0>'; }
    else                     { previewImageHTML = '<img src="' +_uploadurl +fields.pathFromUploadDir+ '" width=50 border=0>'; }
    previewImageHTML = '<a href="' +_uploadurl +fields.pathFromUploadDir+ '" target="_BLANK">' +previewImageHTML+ '</a>'
  }

  // generate row HTML
  var tablename  = document.getElementById('_tablename').value;
  var fieldname  = fields._listname;
  var uploadType = document.getElementById(fieldname + ':uploadType').value;
  var rowHTML    = ''
  + ' <tr id="' +fields._listname+ ':' +fields._num+ '">\n'
  + '  <td>\n'

  + '   <table cellpadding="0" cellspacing="0" border="0" width="0" align="left" height="40">\n'
  + '    <tr>\n'
  + '  <td>'+previewImageHTML+'</td>\n'
  + '     <td>&nbsp;&nbsp;</td>\n'
  + '     <td valign="top">\n'
  + '   <b>'+fields.title+'</b> ('+fields.filename+')<br>\n'
  +      '<span class="fakelink" onclick="modifyUploadAttributesPopup(\'' +tablename+ '\',\'' +fieldname+ '\',\'' +uploadType+ '\')">modify</span> - '
  +      '<span class="fakelink" onclick="if(confirm(\'Are you sure you want to remove this file?\\n'+fields.title+' ('+fields.filename+')\')){dlist_removeRow(' +nameNumArgs+ ')}">remove</span>&nbsp;'
  + '     </td>\n'
  + '    </tr>\n'
  + '   </table>\n'

  +'   </td>\n'
  + ' </tr>\n';

  return rowHTML;
}

// -----------------------------------------------------------------------------
// Function    : createListRowForAttachmentUpload
// Description : create HTML for a row (used when generating and updating list)
// -----------------------------------------------------------------------------

function createListRowForAttachmentUpload(fields) {

  // short alias fields
  var fnPrefix    = fields._listname +':'+ fields._num +':';            // fieldname:rownum
  var nameNumArgs = "'" + fields._listname + "','" + fields._num + "'"; // 'listname','rownum'

  // html encoded values before we insert them into HTML
  for (var thisname in fields) {
    fields[thisname] = htmlEncode( fields[thisname] );
  }

  //
  // NOTE: All Form fields must have fieldname Prefixes!
  //

  // define extra fields
  var _uploadurl = document.getElementById('_uploadurl').value;
  var previewImageHTML = '';
  if (fields.isImage == 1) {
    if (fields.hasThumbnail == 1) { previewImageHTML = '<img src="' +_uploadurl +fields.thumbnailPathFromUploadDir+ '" width=50 border=0>'; }
    else                     { previewImageHTML = '<img src="' +_uploadurl +fields.pathFromUploadDir+ '" width=50 border=0>'; }
    previewImageHTML = '<a href="' +_uploadurl +fields.pathFromUploadDir+ '" target="_BLANK">' +previewImageHTML+ '</a>'
  }

  // generate row HTML
  var tablename  = document.getElementById('_tablename').value;
  var fieldname  = fields._listname;
  var uploadType = document.getElementById(fieldname + ':uploadType').value;

  var rowHTML = ''
  + ' <tr id="' +fields._listname+ ':' +fields._num+ '">\n'
  +'   <td align=center>\n'
  +'    <span class="fakelink" onclick="dlist_moveRow(' +nameNumArgs + ', \'up\')">UP</span> |\n'
  +'    <span class="fakelink" onclick="dlist_moveRow(' +nameNumArgs + ', \'down\')">DN</span>\n'
  +'   </td>\n'
  + '  <td>'+previewImageHTML+'</td>\n'
  + '  <td>\n'
  + '   <b>'+fields.title+'</b> ('+fields.filename+')<br>\n'
//  + '   ' +fields.caption+ '\n'
  + '   </td>\n'
  + '   <td align=center>&nbsp;'
  +      '<span class="fakelink" onclick="modifyUploadAttributesPopup(\'' +tablename+ '\',\'' +fieldname+ '\',\'' +uploadType+ '\')">modify</span>&nbsp;'
  +      '<span class="fakelink" onclick="if(confirm(\'Are you sure you want to remove this file?\\n'+fields.title+' ('+fields.filename+')\')){dlist_removeRow(' +nameNumArgs+ ')}">remove</span>&nbsp;'
  +   '</td>\n'
  + ' </tr>\n';

  return rowHTML;
}

// -----------------------------------------------------------------------------
// Function    : createListRowForMediaUpload
// Description : create HTML for a row (used when generating and updating list)
// -----------------------------------------------------------------------------

function createListRowForMediaUpload(fields) {

  // short alias fields
  var fnPrefix    = fields._listname +':'+ fields._num +':';            // fieldname:rownum
  var nameNumArgs = "'" + fields._listname + "','" + fields._num + "'"; // 'listname','rownum'

  // html encoded values before we insert them into HTML
  for (var thisname in fields) {
    fields[thisname] = htmlEncode( fields[thisname] );
  }

  //
  // NOTE: All Form fields must have fieldname Prefixes!
  //

  // define extra fields
  var _uploadurl = document.getElementById('_uploadurl').value;
  var previewImageHTML = '';
  if (fields.isImage == 1) {
    if (fields.hasThumbnail == 1) { previewImageHTML = '<img src="' +_uploadurl +fields.thumbnailPathFromUploadDir+ '" width=50 border=0>'; }
    else                     { previewImageHTML = '<img src="' +_uploadurl +fields.pathFromUploadDir+ '" width=50 border=0>'; }
    previewImageHTML = '<a href="' +_uploadurl +fields.pathFromUploadDir+ '" target="_BLANK">' +previewImageHTML+ '</a>'
  }
  var thumbnailYesNo = (fields.useThumbnail == 1) ? 'Yes' : 'No';
  var linkedText;
  if      (fields.linkTo == 'image') { linkedText = 'Linked to: image'; }
  else if (fields.linkTo == 'url')   { linkedText = 'Linked to: url'; }
  else                               { linkedText = 'Linked: No'; }
  if (fields.linkTo != '' && fields.openLinkInNewWindow) { linkedText += " (opens new window)"; }

  // generate row HTML
  var tablename  = document.getElementById('_tablename').value;
  var fieldname  = fields._listname;
  var uploadType = document.getElementById(fieldname + ':uploadType').value;

  var rowHTML = ''
  + ' <tr id="' +fields._listname+ ':' +fields._num+ '">\n'
  + '  <td>'+previewImageHTML+'</td>\n'
  + '  <td>***' + fields._listname + fields._num + '***</td>\n'
  + '  <td>\n'
  + '   <b>'+fields.title+'</b> ('+fields.filename+')<br>\n'
  + '   <span class="properties">\n'
  + '    <b>Properties:</b>\n'
  + '    Align: '+fields.align+',\n'
  + '    Thumbnail: '+thumbnailYesNo+',\n'
  + '    '+linkedText+'\n'
  + '   </td>\n'
  + '   <td align=center>&nbsp;'
  +      '<span class="fakelink" onclick="modifyUploadAttributesPopup(\'' +tablename+ '\',\'' +fieldname+ '\',\'' +uploadType+ '\')">modify</span>&nbsp;'
  +      '<span class="fakelink" onclick="if(confirm(\'Are you sure you want to remove this file?\\n'+fields.title+' ('+fields.filename+')\')){dlist_removeRow(' +nameNumArgs+ ')}">remove</span>&nbsp;'
  +   '</td>\n'
  + ' </tr>\n';

  return rowHTML;
}



function browseForDirOrFile(dirOrFile, targetFieldID) { //launch popup
  var targetFieldElement = document.getElementById(targetFieldID);

  // error checking
  if (dirOrFile != 'dir' && dirOrFile != 'file') { error("First argument must be 'dir' or 'file', not '" +dirOrFile+ "'"); }
  if (targetFieldID == '')                       { error("Second argument is blank.  Should be targetFieldID"); }
  if (targetFieldElement == null)		 { error("No fields found with an ID of '" +targetFieldID+ "' in the current form!"); }
  if (targetFieldElement.name != targetFieldID)	 { error("target field '" +targetFieldID+ "' must have the same value for it's 'name' and 'id'"); }

  // create popup browser url
  var url = '?action=';
  url += (dirOrFile == 'dir') ? 'browseForDir' : 'browseForFile';
  url += '&target_field_name_and_id=' + escape(targetFieldID);
  url += '&target_field_value=' + escape(targetFieldElement.value);

  // open a popup window
  popup(url, 500, 350);
  return true;
}

function updateTargetFieldInParentWindow(targetFieldNameAndId, newValue){
  var targetField   = opener.document.getElementById(targetFieldNameAndId);
  targetField.value = newValue;
  window.close();
}

function closePopupIfTargetFieldBecomesUnavailable(targetFieldNameAndId) {
  var targetElementStillExists = opener.document.getElementById(targetFieldNameAndId);
  if (!targetElementStillExists) { window.close(); }

  // check again every N seconds
  var coderef      = function() { closePopupIfTargetFieldBecomesUnavailable(targetFieldNameAndId); };
  var milliseconds = 500;
  setTimeout(coderef, milliseconds);
}


// -----------------------------------------------------------------------------
// Function    :
// Description :
// Usage       :
// -----------------------------------------------------------------------------

function toggleDisplayOfPop3AuthFields(isDisplayed) {
  var fieldsContainer = document.getElementById('pop3AuthFields');
  var displayFields   = document.getElementById('pop3RequiredCheckbox').checked;
  if (displayFields) { fieldsContainer.style.display = ''; }
  else               { fieldsContainer.style.display = 'none'; }
}

// -----------------------------------------------------------------------------
// Function    :
// Description :
// Usage       :
// -----------------------------------------------------------------------------

function testEmail() {

  // load form field values
  var sender_name                     = getFormFieldValueByName('sender_name');
  var sender_email                    = getFormFieldValueByName('sender_email');
  var send_mail_with                  = getFormFieldValueByName('send_mail_with');
  var sendmail_path                   = getFormFieldValueByName('sendmail_path');
  var smtp_hostname                   = getFormFieldValueByName('smtp_hostname');
  var POP3Auth_field                    = (document.getElementsByName('pop3_login_required_before_smtp'))[1];
  var pop3_login_required_before_smtp = POP3Auth_field.checked ? POP3Auth_field.value : ''; //getFormFieldValueByName doesn't support multiple checkboxes with the same name
  var pop3auth_hostname               = getFormFieldValueByName('pop3auth_hostname');
  var pop3auth_username               = getFormFieldValueByName('pop3auth_username');
  var pop3auth_password               = getFormFieldValueByName('pop3auth_password');
  var admin_email                     = getFormFieldValueByName('admin_email');

  // build url
  var url = '?action=admin_testmail'
  url    += '&sender_name='                     + escape(sender_name);
  url    += '&sender_email='                    + escape(sender_email);
  url    += '&send_mail_with='                  + escape(send_mail_with);
  url    += '&sendmail_path='                   + escape(sendmail_path);
  url    += '&smtp_hostname='                   + escape(smtp_hostname);
  url    += '&pop3_login_required_before_smtp=' + escape(pop3_login_required_before_smtp);
  url    += '&pop3auth_hostname='               + escape(pop3auth_hostname);
  url    += '&pop3auth_username='               + escape(pop3auth_username);
  url    += '&pop3auth_password='               + escape(pop3auth_password);
  url    += '&email='                           + escape(admin_email);

  // error checking
  var errors = '';
  if (sender_name == '')    { errors += "Sender name may not be left blank!\n"; }
  if (sender_email == '')   { errors += "Sender email may not be left blank!\n"; }
  if (admin_email == '')    { errors += "Admin email may not be left blank!\n"; }
  if (send_mail_with == '') { errors += "'Send mail with' may not be left blank!\n"; }
  if (send_mail_with == 'SENDMAIL') {
    if (sendmail_path == '') { errors += "Sendmail path may not be left blank!\n"; }
  }
  else if  (send_mail_with == 'SMTP') {
    if (smtp_hostname == '')       { errors += "SMTP Hostname may not be left blank!\n"; }
    if (pop3_login_required_before_smtp) {
      if (pop3auth_hostname == '') { errors += "POP3 Server may not be left blank!\n"; }
      if (pop3auth_username == '') { errors += "POP3 Username may not be left blank!\n"; }
      if (pop3auth_password == '') { errors += "POP3 Password may not be left blank!\n"; }
    }
  }
  else {
    errors += "Unknown value for 'Send mail with'.  Must be 'SENDMAIL' or 'SMTP'!\n";
  }
  if (errors) {
    alert(errors);
    return;
  }

  // launch test email popup
  popup(url, 400, 200);
}

/* ------------------------------------------------------------------------- */