// Javascript routines for the ACL editor

var aclManagerID = 'enano_aclmanager_' + Math.floor(Math.random() * 1000000);

var aclPermList = false;

var aclDataCache = false;

function ajaxOpenACLManager(page_id, namespace)

{

  if(IE)

    return true;

  if(!page_id || !namespace)

  {

    var data = strToPageID(title);

    var page_id = data[0];

    var namespace = data[1];

  }

  var params = {

      'mode' : 'listgroups',

      'page_id' : page_id,

      'namespace' : namespace

    };

  params = toJSONString(params);

  params = ajaxEscape(params);

  ajaxPost(stdAjaxPrefix+'&_mode=acljson', 'acl_params='+params, function() {

      if(ajax.readyState == 4)

      {

        __aclBuildWizardWindow();

        groups = parseJSON(ajax.responseText);

        if ( groups.mode == 'error' )

        {

          alert(groups.error);

          killACLManager();

          return false;

        }

        aclDataCache = groups;

        __aclBuildSelector(groups);

      }

    });

  return false;

}

function ajaxACLSwitchToSelector()

{

  params = {

      'mode' : 'listgroups'

    };

  if ( aclDataCache.page_id && aclDataCache.namespace )

  {

    params.page_id   = aclDataCache.page_id;

    params.namespace = aclDataCache.namespace;

  }

  params = toJSONString(params);

  params = ajaxEscape(params);

  ajaxPost(stdAjaxPrefix+'&_mode=acljson', 'acl_params='+params, function() {

      if(ajax.readyState == 4)

      {

        document.getElementById(aclManagerID+'_main').innerHTML = '';

        document.getElementById(aclManagerID + '_back').style.display = 'none';

        document.getElementById(aclManagerID + '_next').value = 'Next >';

        groups = parseJSON(ajax.responseText);

        if ( groups.mode == 'error' )

        {

          alert(groups.error);

          killACLManager();

          return false;

        }

        aclDataCache = groups;

        thispage = strToPageID(title);

        groups.page_id = thispage[0];

        groups.namespace = thispage[1];

        __aclBuildSelector(groups);

      }

    });

}

function __aclBuildSelector(groups)

{

  thispage = strToPageID(title);

  do_scopesel = ( thispage[0] == groups.page_id && thispage[1] == groups.namespace );

  seed = Math.floor(Math.random() * 1000000);

  main = document.getElementById(aclManagerID + '_main');

  main.style.padding = '10px';

  selector = document.createElement('div');

  grpsel = __aclBuildGroupsHTML(groups);

  grpsel.name = 'group_id';

  span = document.createElement('div');

  span.id = "enACL_grpbox_"+seed+"";

  // Build the selector

  grpb = document.createElement('input');

  grpb.type = 'radio';

  grpb.name  = 'target_type';

  grpb.value = '1'; // ACL_TYPE_GROUP

  grpb.checked = 'checked';

  grpb.className = seed;

  grpb.onclick = function() { seed = this.className; document.getElementById('enACL_grpbox_'+seed).style.display = 'block'; document.getElementById('enACL_usrbox_'+seed).style.display = 'none'; };

  lbl = document.createElement('label');

  lbl.appendChild(grpb);

  lbl.appendChild(document.createTextNode('A usergroup'));

  lbl.style.display = 'block';

  span.appendChild(grpsel);

  usrb = document.createElement('input');

  usrb.type = 'radio';

  usrb.name  = 'target_type';

  usrb.value = '2'; // ACL_TYPE_USER

  usrb.className = seed;

  usrb.onclick = function() { seed = this.className; document.getElementById('enACL_grpbox_'+seed).style.display = 'none'; document.getElementById('enACL_usrbox_'+seed).style.display = 'block'; };

  lbl2 = document.createElement('label');

  lbl2.appendChild(usrb);

  lbl2.appendChild(document.createTextNode('A specific user'));

  lbl2.style.display = 'block';

  usrsel = document.createElement('input');

  usrsel.type = 'text';

  usrsel.name = 'username';

  usrsel.onkeyup = function() { ajaxUserNameComplete(this); };

  usrsel.id = 'userfield_' + aclManagerID;

  try {

    usrsel.setAttribute("autocomplete","off");

  } catch(e) {};

  span2 = document.createElement('div');

  span2.id = "enACL_usrbox_"+seed+"";

  span2.style.display = 'none';

  span2.appendChild(usrsel);

  // Scope selector

  if(do_scopesel)

  {

    scopediv1 = document.createElement('div');

    scopediv2 = document.createElement('div');

    scopeRadioPage = document.createElement('input');

      scopeRadioPage.type = 'radio';

      scopeRadioPage.name = 'scope';

      scopeRadioPage.value = 'page';

      scopeRadioPage.checked = 'checked';

    scopeRadioGlobal = document.createElement('input');

      scopeRadioGlobal.type = 'radio';

      scopeRadioGlobal.name = 'scope';

      scopeRadioGlobal.value = 'global';

    lblPage = document.createElement('label');

      lblPage.style.display = 'block';

      lblPage.appendChild(scopeRadioPage);

      lblPage.appendChild(document.createTextNode('Only this page'));

    lblGlobal = document.createElement('label');

      lblGlobal.style.display = 'block';

      lblGlobal.appendChild(scopeRadioGlobal);

      lblGlobal.appendChild(document.createTextNode('The entire website'));

    scopediv1.appendChild(lblPage);

    scopediv2.appendChild(lblGlobal);

    scopedesc = document.createElement('p');

    scopedesc.appendChild(document.createTextNode('What should this access rule control?'));

  }

  // Styles

  span.style.marginLeft = '13px';

  span.style.padding = '5px 0';

  span2.style.marginLeft = '13px';

  span2.style.padding = '5px 0';

  selector.appendChild(lbl);

  selector.appendChild(span);

  selector.appendChild(lbl2);

  selector.appendChild(span2);

  container = document.createElement('div');

  container.style.margin = 'auto';

  container.style.width = '360px';

  head = document.createElement('h2');

  head.appendChild(document.createTextNode('Manage page access'));

  desc = document.createElement('p');

  desc.appendChild(document.createTextNode('Please select who should be affected by this access rule.'));

  container.appendChild(head);

  container.appendChild(desc);

  container.appendChild(selector);

  if(do_scopesel)

  {

    container.appendChild(scopedesc);

    container.appendChild(scopediv1);

    container.appendChild(scopediv2);

  }

  main.appendChild(container);

  var mode = document.createElement('input');

  mode.name = 'mode';

  mode.type = 'hidden';

  mode.id = aclManagerID + '_mode';

  mode.value = 'seltarget';

  var theform = document.getElementById(aclManagerID + '_formobj_id');

  if ( !theform.mode )

  {

    theform.appendChild(mode);

  }

  else

  {

    theform.removeChild(theform.mode);

    theform.appendChild(mode);

  }

}

var aclDebugWin = false;

function aclDebug(text)

{

  if(!aclDebugWin)

    aclDebugWin = pseudoWindowOpen("data:text/html;plain,<html><head><title>debug win</title></head><body><h1>Debug window</h1></body></html>", "aclDebugWin");

    setTimeout(function() {

  aclDebugWin.pre = aclDebugWin.document.createElement('pre');

  aclDebugWin.pre.appendChild(aclDebugWin.document.createTextNode(text));

  aclDebugWin.b = aclDebugWin.document.getElementsByTagName('body')[0];

    aclDebugWin.b.appendChild(aclDebugWin.pre);}, 1000);

}

var pseudoWindows = new Object();

function pseudoWindowOpen(url, id)

{

  if(pseudoWindows[id])

  {

    document.getElementById('pseudowin_ifr_'+id).src = url;

  }

  else

  {

    win = document.createElement('iframe');

    win.style.position='fixed';

    win.style.width = '640px';

    win.style.height = '480px';

    win.style.top = '0px';

    win.style.left = '0px';

    win.style.zIndex = getHighestZ() + 1;

    win.style.backgroundColor = '#FFFFFF';

    win.name = 'pseudo_ifr_'+id;

    win.id = 'pseudowindow_ifr_'+id;

    win.src = url;

    body = document.getElementsByTagName('body')[0];

    body.appendChild(win);

  }

  win_obj = eval("( pseudo_ifr_"+id+" )");

  return win_obj;

}

function __aclJSONSubmitAjaxHandler(params)

{

  params = toJSONString(params);

  params = ajaxEscape(params);

  ajaxPost(stdAjaxPrefix+'&_mode=acljson', 'acl_params='+params, function() {

      if(ajax.readyState == 4)

      {

        try {

          data = parseJSON(ajax.responseText);

        } catch(e) {

          aclDebug(e+"\n\nResponse:\n"+ajax.responseText);

        }

        aclDataCache = data;

        switch(data.mode)

        {

          case 'seltarget':

            // Build the ACL edit form

            // try {

              act_desc = ( data.type == 'new' ) ? 'Create access rule' : 'Editing permissions';

              target_type_t = ( data.target_type == 1 ) ? 'group' : 'user';

              target_name_t = data.target_name;

              var scope_type = ( data.page_id == false && data.namespace == false ) ? 'this entire site' : 'this page';

              html = '<h2>'+act_desc+'</h2><p>This panel allows you to edit what the '+target_type_t+' "<b>'+target_name_t+'</b>" can do on <b>' + scope_type + '</b>. Unless you set a permission to "Deny", these permissions may be overridden by other rules.</p>';

              parser = new templateParser(data.template.acl_field_begin);

              html += parser.run();

              cls = 'row2';

              for(var i in data.acl_types)

              {

                if(typeof(data.acl_types[i]) == 'number')

                {

                  cls = ( cls == 'row1' ) ? 'row2' : 'row1';

                  p = new templateParser(data.template.acl_field_item);

                  vars = new Object();

                  vars['FIELD_DESC'] = data.acl_descs[i];

                  vars['FIELD_DENY_CHECKED'] = '';

                  vars['FIELD_DISALLOW_CHECKED'] = '';

                  vars['FIELD_WIKIMODE_CHECKED'] = '';

                  vars['FIELD_ALLOW_CHECKED'] = '';

                  vars['FIELD_NAME'] = i;

                  switch(data.current_perms[i])

                  {

                    case 1:

                      vars['FIELD_DENY_CHECKED'] = 'checked="checked"';

                      break;

                    case 2:

                    default:

                      vars['FIELD_DISALLOW_CHECKED'] = 'checked="checked"';

                      break;

                    case 3:

                      vars['FIELD_WIKIMODE_CHECKED'] = 'checked="checked"';

                      break;

                    case 4:

                      vars['FIELD_ALLOW_CHECKED'] = 'checked="checked"';

                      break;

                  }

                  vars['ROW_CLASS'] = cls;

                  p.assign_vars(vars);

                  html += p.run();

                }

              }

              var parser = new templateParser(data.template.acl_field_end);

              html += parser.run();

              if(data.type == 'edit')

                html += '<p id="'+aclManagerID+'_deletelnk" style="text-align: right;"><a href="#delete_acl_rule" onclick="if(confirm(\'Do you really want to delete this rule?\')) __aclDeleteRule(); return false;" style="color: red;">Delete this rule</a></p>';

              var main = document.getElementById(aclManagerID + '_main');

              main.innerHTML = html;

              var form = document.getElementById(aclManagerID + '_formobj_id');

              var modeobj = form_fetch_field(form, 'mode');

              if ( modeobj )

                modeobj.value = 'save_' + data.type;

              else

                alert('modeobj is invalid: '+modeobj);

              aclPermList = array_keys(data.acl_types);

              document.getElementById(aclManagerID + '_back').style.display = 'inline';

              document.getElementById(aclManagerID + '_next').value = 'Save Changes';

            // } catch(e) { alert(e); aclDebug(ajax.responseText); }

            break;

          case 'success':

            var note = document.createElement('div');

            note.className = 'info-box';

            note.style.marginLeft = '0';

            var b = document.createElement('b');

            b.appendChild(document.createTextNode('Permissions updated'));

            note.appendChild(b);

            note.appendChild(document.createElement('br'));

            note.appendChild(document.createTextNode('The permissions for '+data.target_name+' on this page have been updated successfully.'));

            note.appendChild(document.createElement('br'));

            var a = document.createElement('a');

            a.href = 'javascript:void(0);';

            a.onclick = function() { this.parentNode.parentNode.removeChild(this.parentNode); return false; };

            a.appendChild(document.createTextNode('[ dismiss :'));

            note.appendChild(a);

            var a2 = document.createElement('a');

            a2.href = 'javascript:void(0);';

            a2.onclick = function() { killACLManager(); return false; };

            a2.appendChild(document.createTextNode(': close manager ]'));

            note.appendChild(a2);

            document.getElementById(aclManagerID + '_main').insertBefore(note, document.getElementById(aclManagerID + '_main').firstChild);

            if(!document.getElementById(aclManagerID+'_deletelnk'))

              document.getElementById(aclManagerID + '_main').innerHTML += '<p id="'+aclManagerID+'_deletelnk" style="text-align: right;"><a href="#delete_acl_rule" onclick="if(confirm(\'Do you really want to delete this rule?\')) __aclDeleteRule(); return false;" style="color: red;">Delete this rule</a></p>';

            //fadeInfoBoxes();

            document.getElementById(aclManagerID+'_main').scrollTop = 0;

            break;

          case 'delete':

            params = {

              'mode' : 'listgroups'

            };

          params = toJSONString(params);

          params = ajaxEscape(params);

          ajaxPost(stdAjaxPrefix+'&_mode=acljson', 'acl_params='+params, function() {

              if(ajax.readyState == 4)

              {

                document.getElementById(aclManagerID+'_main').innerHTML = '';

                document.getElementById(aclManagerID + '_back').style.display = 'none';

                document.getElementById(aclManagerID + '_next').value = 'Next >';

                var thispage = strToPageID(title);

                groups.page_id = thispage[0];

                groups.namespace = thispage[1];

                __aclBuildSelector(groups);

                note = document.createElement('div');

                note.className = 'info-box';

                note.style.marginLeft = '0';

                b = document.createElement('b');

                b.appendChild(document.createTextNode('Entry deleted'));

                note.appendChild(b);

                note.appendChild(document.createElement('br'));

                note.appendChild(document.createTextNode('The access rules for '+aclDataCache.target_name+' on this page have been deleted.'));

                note.appendChild(document.createElement('br'));

                a = document.createElement('a');

                a.href = '#';

                a.appendChild(document.createTextNode('[ dismiss :'));

                note.appendChild(a);

                a = document.createElement('a');

                a.href = '#';

                a.onclick = function() { killACLManager(); return false; };

                a.appendChild(document.createTextNode(': close manager ]'));

                note.appendChild(a);

                document.getElementById(aclManagerID + '_main').insertBefore(note, document.getElementById(aclManagerID + '_main').firstChild);

                //fadeInfoBoxes();

              }

            });

            break;

          case 'error':

            alert("Server side processing error:\n"+data.error);

            break;

          case 'debug':

            aclDebug(data.text);

            break;

          default:

            alert("Invalid JSON response from server\nMode: "+data.mode+"\nJSON string: "+ajax.responseText);

            break;

        }

      }

    });

}

function __aclBuildGroupsHTML(groups)

{

  groups = groups.groups;

  select = document.createElement('select');

  for(var i in groups)

  {

    if(typeof(groups[i]['name']) == 'string' && i != 'toJSONString')

    {

      o = document.createElement('option');

      o.value = groups[i]['id'];

      t = document.createTextNode(groups[i]['name']);

      o.appendChild(t);

      select.appendChild(o);

    }

  }

  return select;

}

function __aclBuildWizardWindow()

{

  darken();

  box = document.createElement('div');

  box.style.width = '640px'

  box.style.height = '440px';

  box.style.position = 'fixed';

  width = getWidth();

  height = getHeight();

  box.style.left = ( width / 2 - 320 ) + 'px';

  box.style.top = ( height / 2 - 250 ) + 'px';

  box.style.backgroundColor = 'white';

  box.style.zIndex = getHighestZ() + 1;

  box.id = aclManagerID;

  box.style.opacity = '0';

  box.style.filter = 'alpha(opacity=0)';

  box.style.display = 'none';

  mainwin = document.createElement('div');

  mainwin.id = aclManagerID + '_main';

  mainwin.style.clip = 'rect(0px,640px,440px,0px)';

  mainwin.style.overflow = 'auto';

  mainwin.style.width = '620px';

  mainwin.style.height = '420px';

  panel = document.createElement('div');

  panel.style.width = '620px';

  panel.style.padding = '10px';

  panel.style.lineHeight = '40px';

  panel.style.textAlign = 'right';

  panel.style.position = 'fixed';

  panel.style.left = ( width / 2 - 320 ) + 'px';

  panel.style.top = ( height / 2 + 190 ) + 'px';

  panel.style.backgroundColor = '#D0D0D0';

  panel.style.opacity = '0';

  panel.style.filter = 'alpha(opacity=0)';

  panel.id = aclManagerID + '_panel';

  form = document.createElement('form');

  form.method = 'post';

  form.action = 'javascript:void(0)';

  form.onsubmit = function() { if(this.username && !submitAuthorized) return false; __aclSubmitManager(this); return false; };

  form.name = aclManagerID + '_formobj';

  form.id   = aclManagerID + '_formobj_id';

  back = document.createElement('input');

  back.type = 'button';

  back.value = '< Back';

  back.style.fontWeight = 'normal';

  back.onclick = function() { ajaxACLSwitchToSelector(); return false; };

  back.style.display = 'none';

  back.id = aclManagerID + '_back';

  saver = document.createElement('input');

  saver.type = 'submit';

  saver.value = 'Next >';

  saver.style.fontWeight = 'bold';

  saver.id = aclManagerID + '_next';

  closer = document.createElement('input');

  closer.type = 'button';

  closer.value = 'Cancel Changes';

  closer.onclick = function() { if(!confirm('Do you really want to close the ACL manager?')) return false; killACLManager(); return false; }

  spacer1 = document.createTextNode('  ');

  spacer2 = document.createTextNode('  ');

  panel.appendChild(back);