source: trunk/www/main.jsp @ 7537

<%-- $Id: main.jsp 7537 2018-11-28 08:07:39Z nicklas $
  ------------------------------------------------------------------
  Copyright (C) 2005 Nicklas Nordborg
  Copyright (C) 2006 Jari Häkkinen, Nicklas Nordborg
  Copyright (C) 2007 Nicklas Nordborg

  This file is part of BASE - BioArray Software Environment.
  Available at http://base.thep.lu.se/

  BASE is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 3
  of the License, or (at your option) any later version.

  BASE is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with BASE. If not, see <http://www.gnu.org/licenses/>.
  ------------------------------------------------------------------

  This is the front page of BASE. It displays a login form
  and some of the relevant news items.

  @param login The value to display in the login input field.
  @param error An error message that should be displayed

  @author Nicklas
  @version 2.0
--%>
<%@ page pageEncoding="UTF-8" session="false"
  import="net.sf.basedb.core.Application"
  import="net.sf.basedb.core.SessionControl"
  import="net.sf.basedb.core.DbControl"
  import="net.sf.basedb.core.News"
  import="net.sf.basedb.core.ItemQuery"
  import="net.sf.basedb.core.ItemResultIterator"
  import="net.sf.basedb.core.query.Orders"
  import="net.sf.basedb.core.query.Hql"
  import="net.sf.basedb.util.extensions.ExtensionsInvoker"
  import="net.sf.basedb.util.extensions.ActionIterator"
  import="net.sf.basedb.clients.web.Base"
  import="net.sf.basedb.clients.web.util.HTML"
  import="net.sf.basedb.util.formatter.Formatter"
  import="net.sf.basedb.clients.web.extensions.ExtensionsControl"
  import="net.sf.basedb.clients.web.extensions.JspContext"
  import="net.sf.basedb.clients.web.formatter.FormatterFactory"
  import="net.sf.basedb.clients.web.servlet.RssNewsFeed"
  import="net.sf.basedb.clients.web.extensions.login.LoginFormAction"
  import="net.sf.basedb.clients.web.extensions.login.FieldInfo"
  import="net.sf.basedb.clients.web.extensions.login.PasswordLoginFormFactory"
  import="net.sf.basedb.util.Values"
  import="java.util.Date"
  import="java.util.Map"
  import="java.util.TreeMap"
%>
<%@ taglib prefix="base" uri="/WEB-INF/base.tld" %>
<%@ taglib prefix="ext" uri="/WEB-INF/extensions.tld" %>
<%! 
// If value is null, return "", else <prefix>+<value>+<suffix>
String valueIfNotNull(String prefix, String value, String suffix)
{
  return value == null ? "" : prefix+value+suffix;
}
%>
<%
final String login = Values.getString(request.getParameter("login"), "");
final String error = Values.getString(request.getParameter("error"), null);
final String requestedLoginForm = Values.getString(request.getParameter("loginForm"), null);
final String root = request.getContextPath()+"/";

final SessionControl sc = Base.getSessionControl(pageContext, true);
final String ID = sc.getId();
final Formatter<Date> dateFormatter = FormatterFactory.getDateFormatter(sc);
final DbControl dc = sc.newDbControl();

try
{
  String broadcastTitle = (String)application.getAttribute("broadcast.title");
  String broadcastMessage = (String)application.getAttribute("broadcast.message");
  boolean denyLogin = Boolean.TRUE.equals(application.getAttribute("broadcast.deny-login"));
  ItemResultIterator<News> news = null;
  JspContext jspContext = ExtensionsControl.createContext(dc, pageContext);
  ExtensionsInvoker<LoginFormAction> invoker = (ExtensionsInvoker<LoginFormAction>)ExtensionsControl.useExtensions(jspContext, "net.sf.basedb.clients.web.login-form");

  LoginFormAction loginAction = null;
  String selectedLoginForm = null;
  Map<String, String> allForms = new TreeMap<String, String>();
  
  ActionIterator<LoginFormAction> it = invoker.iterate();
  while (it.hasNext())
  {
    LoginFormAction action = it.next();
    if (action != null)
    {
      String formId = action.getId();
      if (formId == null) formId = it.getExtension().getId();
      String displayName = action.getDisplayName();
      if (displayName == null) displayName = it.getExtension().getAbout().getName();
      allForms.put(formId, displayName);
      
      if (loginAction == null || formId.equals(requestedLoginForm))
      {
        loginAction = action;
        selectedLoginForm = formId;
      }
    }
  }
  if (loginAction == null)
  {
    loginAction = PasswordLoginFormFactory.INSTANCE;
    selectedLoginForm = loginAction.getId();
  }

  FieldInfo loginField = loginAction.getLoginField();
  FieldInfo passwordField = loginAction.getPasswordField();
  FieldInfo extraField = loginAction.getExtraField();
  %>
  <base:page type="default">
  <base:head styles="login.css" scripts="exception.js,~login.js">
    <ext:scripts context="<%=jspContext%>" />
    <ext:stylesheets context="<%=jspContext%>" />
  </base:head>
  <base:body style="padding-top: 5em;" data-login-form="<%=HTML.encodeTags(selectedLoginForm)%>" data-requested-form="<%=HTML.encodeTags(requestedLoginForm) %>">
    <form name="login" action="login.jsp" method="post">
    <input type="hidden" name="ID" value="<%=ID%>">
    <input type="hidden" name="useAutoStartPage" value="1">
    <input type="hidden" name="deviceToken" value="">
    
    <table style="margin: auto; width: 700px;" id="the-login-form">
    <tr>
    <td>
      <%
      if (allForms.size() > 1)
      {
        %>
        <div style="text-align: right; margin-bottom: 0.25em;">
          <b>Login with</b>
          <select name="loginForm" id="loginForm" style="min-width: 10em;">
          <%
          for (Map.Entry<String, String> entry : allForms.entrySet())
          {
            String formId = entry.getKey();
            %>
            <option value="<%=formId%>" <%=formId.equals(selectedLoginForm) ? "selected" : ""%>><%=HTML.encodeTags(entry.getValue()) %>
            <%
          }
          %>
          </select>
        </div>
        <%
      }
      else if (selectedLoginForm != null)
      {
        %>
        <input type="hidden" name="loginForm" value="<%=selectedLoginForm%>">
        <%
      }
      if (loginAction.getHelp() != null)
      {
        %>
        <div class="messagecontainer help" style="margin-bottom: 1em; font-style: italic;" id="login-help">
        <%=loginAction.getHelp() %>
        </div>
        <%
      }
      if (error != null) 
      {
        %>
        <div class="messagecontainer error" style="margin-top: 1em; margin-bottom: 1em;"><%=error%></div>
        <%
      }
      %>
      <table style="width: 100%; border-collapse: separate;">
      <tr>
        <td class="base-logo"><img src="images/baselogo.png" alt="BASE logo"></td>
        <td style="width: 515px;">
          <div id="loginform">
          <table style="width: 100%;">
            <tr <%=valueIfNotNull("class=\"", loginField.getClazz(), "\"")%> id="login-row">
              <th class="bg-filled-100"><%=loginField.getPrompt() %></th>
              <td colspan="2"><input class="text" name="login" id="login"
                type="<%=loginField.hasHiddenCharacters() ? "password" : "text"%>"
                value="<%=loginAction.rememberLastLogin() ? HTML.encodeTags(login) : ""%>" 
                <%=denyLogin ? "disabled" : ""%>
                <%=valueIfNotNull("style=\"", loginField.getStyle(), "\"") %>
                <%=valueIfNotNull("title=\"", loginField.getTooltip(), "\"") %>
                <%=valueIfNotNull("placeholder=\"", loginField.getPlaceHolder(), "\"") %>
                <%=loginAction.rememberLastLogin() ? "" : "autocomplete=\"off\" data-use-last-login=\"0\""%>
                maxlength="100" 
                tabindex="1">
              </td>
            </tr>
            <tr <%=valueIfNotNull("class=\"", passwordField.getClazz(), "\"")%> id="password-row">
              <th class="bg-filled-100"><%=passwordField.getPrompt() %></th>
              <td><input class="text" name="password" id="password"
                type="<%=passwordField.hasHiddenCharacters() ? "password" : "text"%>"
                <%=denyLogin ? "disabled" : ""%>
                <%=valueIfNotNull("style=\"", passwordField.getStyle(), "\"") %>
                <%=valueIfNotNull("title=\"", passwordField.getTooltip(), "\"") %>
                <%=valueIfNotNull("placeholder=\"", passwordField.getPlaceHolder(), "\"") %>
                maxlength="80"
                tabindex="2">
              </td>
              <td <%=extraField != null?"rowspan=\"2\"" : "" %> style="vertical-align: bottom;"><base:button 
                id="btnLogin"
                subclass="<%=denyLogin ? "disabled" : ""%>"
                image="login.png" title="Login" 
                tooltip="<%=HTML.encodeTags(broadcastTitle)%>" tabindex="4" /></td>
            </tr>
            <%
            if (extraField != null)
            {
              %>
              <tr <%=valueIfNotNull("class=\"", extraField.getClazz(), "\"")%> id="extra-row">
                <th class="bg-filled-100"><%=extraField.getPrompt() %></th>
                <td><input class="text" name="extraField" id="extraField"
                  type="<%=extraField.hasHiddenCharacters() ? "password" : "text"%>"
                  <%=denyLogin ? "disabled" : ""%>
                  <%=valueIfNotNull("style=\"", extraField.getStyle(), "\"") %>
                  <%=valueIfNotNull("title=\"", extraField.getTooltip(), "\"") %>
                  <%=valueIfNotNull("placeholder=\"", extraField.getPlaceHolder(), "\"") %>
                  maxlength="80"
                  tabindex="3">
                </td>
              </tr>
              <%
            }
            %>
            <tr>
              <th class="bg-filled-100 subprompt"></th>
              <td colspan="2">
              <%
              String forgotPassword = sc.getClientDefaultSetting("server.forgotten.password");
              String getAccount = sc.getClientDefaultSetting("server.get.account");
              if (forgotPassword != null)
              {
                %>
                <base:icon id="forgotPassword" image="bullet.png" 
                  tooltip="Click here if you have forgotten your password">Forgot your password?</base:icon>
                <%
              }
              if (getAccount != null)
              {
                %>
                <base:icon id="getAccount" image="bullet.png" 
                  tooltip="Click here if you want to get an account on this server">Get an account!</base:icon>
                <%
              }
              %>
              </td>
            </tr>
            </table>
          </div>
        </td>
      </tr>
      </table>
      <%
      if (denyLogin)
      {
        %>
        <div class="messagecontainer help" id="denyLogin">
          <b><%=HTML.encodeTags(broadcastTitle) %> (login disabled)</b><br>
          <%=HTML.niceFormat(broadcastMessage)%>
          <base:buttongroup style="margin-top: 1em;">
            <base:button id="btnLoginAnyway" title="Login anyway" image="login.png" tooltip="At your own risk!" />
          </base:buttongroup>
        </div>
        <%
      }
      %>
      <%
      String aboutServer = sc.getClientDefaultSetting("server.about");
      if (aboutServer != null)
      {
        %>
        <h3 style="margin-top: 1em;">About this server</h3>
        <p>
          <%=aboutServer%>
        </p>
        <base:icon id="aboutServer" image="bullet.png">More about this server</base:icon>
        <%
      }
      %>
      
      <h3 style="margin-top: 1em;">News and announcements 
      <%
      if (RssNewsFeed.isEnabled()) 
      {
        %>
        <a href="info/news.rss" 
          title="Subscribe to news from this BASE server"
          ><base:icon image="rss.png" style="float: right;" /></a>
        <%
      }
      %>
      </h3>
      <div id="news" class="news">
      <%
      if (broadcastTitle != null)
      {
        %>
        <div class="item note sticky">
          <div class="headline">
            <span class="date"><%=dateFormatter.format(new Date())%></span>
            <%=HTML.encodeTags(broadcastTitle)%><%=denyLogin ? " (login disabled)" : "" %>
          </div>
          <div class="text"><%=HTML.niceFormat(broadcastMessage)%></div>
        </div>
        <% 
      }
      
      ItemQuery<News> query = News.getQuery();
      query.order(Orders.desc(Hql.property("sticky")));
      query.order(Orders.desc(Hql.property("newsDate")));
      query.order(Orders.desc(Hql.property("id")));
      query.setCacheResult(true);
      query.setReturnTotalCount(true);
      news = query.iterate(dc);
      int numListed = 0;
      while (news.hasNext())
      {
        News n = news.next();
        if (numListed >= 10 && !n.isSticky()) break;
        %>
        <div class="item <%=n.isSticky() ? "note sticky" : ""%>">
          <div class="headline">
            <span class="date"><%=dateFormatter.format(n.getNewsDate())%></span>
            <%=HTML.encodeTags(n.getName())%>
          </div>
          <div class="text"><%=HTML.niceFormat(n.getDescription())%></div>
        </div>
        <%
        numListed++;
      }
      if (numListed < news.getTotalCount())
      {
        %>
        <base:icon image="bullet.png" /><a href="info/news.jsp" 
          title="Show older news..."><%=news.getTotalCount()-numListed%> more</a>
        <%
      }
      %>
      </div>
    </td>
    </tr>
    </table>

    </form>
  </base:body>
  </base:page>
  <%
}
finally
{
  if (dc != null) dc.close();
}
%>