source: trunk/www/filemanager/directories/list_directories.jsp @ 4796

<%-- $Id: list_directories.jsp 4796 2009-03-02 18:58:58Z nicklas $
  ------------------------------------------------------------------
  Copyright (C) 2006 Jari Hakkinen, 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/>.
  ------------------------------------------------------------------

  @author Nicklas
  @version 2.0
--%>
<%@ page session="false"
  import="net.sf.basedb.core.SessionControl"
  import="net.sf.basedb.core.DbControl"
  import="net.sf.basedb.core.SystemItems"
  import="net.sf.basedb.core.Item"
  import="net.sf.basedb.core.ItemContext"
  import="net.sf.basedb.core.Directory"
  import="net.sf.basedb.core.Experiment"
  import="net.sf.basedb.core.User"
  import="net.sf.basedb.core.ItemQuery"
  import="net.sf.basedb.core.ItemResultIterator"
  import="net.sf.basedb.core.Permission"
  import="net.sf.basedb.core.query.Restrictions"
  import="net.sf.basedb.core.query.Expressions"
  import="net.sf.basedb.core.query.Orders"
  import="net.sf.basedb.core.query.Hql"
  import="net.sf.basedb.util.FileUtil"
  import="net.sf.basedb.clients.web.Base"
  import="net.sf.basedb.clients.web.util.HTML"
  import="net.sf.basedb.util.Values"
  import="java.util.Map"
  import="java.util.Set"
  import="java.util.HashSet"
  import="java.util.List"
%>
<%@ taglib prefix="base" uri="/WEB-INF/base.tld" %>
<%@ taglib prefix="tbl" uri="/WEB-INF/table.tld" %>
<%!
String generateSubTree(Map<Directory, List<Directory>> tree, Set<Directory> ignore, Directory parent, String ID, String parentId)
{
  if (ignore.contains(parent)) return "";
  ignore.add(parent);
  StringBuilder sb = new StringBuilder();
  if (parentId == null) parentId = "dir"+parent.getId();
  List<Directory> children = tree.get(parent);
  if (children == null) return "";
  for (Directory child : children)
  {
    if (ignore.contains(child)) continue;
    String folderIcon = "Folder";
    if (child.isHomeDirectory())
    {
      folderIcon = "UserHome";
    }
    else if (child.isRemoved())
    {
      folderIcon = "FolderDeleted";
    }
    else if (child.getAutoCompress())
    {
      folderIcon = "FolderCompressed";
    }
    sb.append("var dir").append(child.getId()).append(" = JoustMenu.addLazyChildItem(").append(parentId);
    sb.append(",'").append(folderIcon).append("'");
    sb.append(",'").append(HTML.javaScriptEncode(child.getName())).append("'");
    sb.append(",'directoryOnClick(").append(child.getId()).append(",");
    sb.append(" \"").append(HTML.javaScriptEncode(child.getPath().toString())).append("\")'");
    sb.append(",'', 'D").append(child.getId()).append("',");
    sb.append("'lazyInitSubdir(").append(child.getId()).append(")')\n");
    sb.append(generateSubTree(tree, ignore, child, ID, null));
  }
  return sb.toString();
}
%>
<%
final Item itemType = Item.DIRECTORY;
final SessionControl sc = Base.getExistingSessionControl(pageContext, Permission.DENIED, itemType);
final String ID = sc.getId();
final DbControl dc = sc.newDbControl();
final String mode = request.getParameter("mode");
final String callback = request.getParameter("callback");
final float scale = Base.getScale(sc);
final String requestTitle = request.getParameter("title");
final ItemContext cc = sc.getCurrentContext(itemType);
int directoryId = cc.getId();
try
{
  final User user = User.getById(dc, sc.getLoggedInUserId());
  final Directory userHome = user.getHomeDirectory();
  final boolean readDirectories = sc.hasPermission(Permission.READ, Item.DIRECTORY);
  final Directory root = Directory.getById(dc, SystemItems.getId(readDirectories ? Directory.ROOT : Directory.HOME)); 
  Directory current = directoryId != 0 ? Directory.getById(dc, directoryId) : null;
  if (current == null) current = userHome;
  if (current == null) current = root;
  
  final String rootIcon;
  final String rootTitle;
  if (root.isRootDirectory())
  {
    rootIcon = "Root";
    rootTitle = "Root";
  }
  else
  {
    rootIcon = "Home";
    rootTitle = "Other users";
  }
  Map<Directory, List<Directory>> tree = FileUtil.loadMinimalDirectoryTree(dc, root, userHome, current);
  Set<Directory> ignore = new HashSet<Directory>();
  %>
  <base:page title="<%=requestTitle != null ? requestTitle : ""%>" type="popup">
  <base:head scripts="newjoust.js,table.js,ajax.js" styles="newjoust.css,toolbar.css">
  <script language="JavaScript">
  var isInitialised = false;
  function initialise() 
  {
    if (parent && parent.parent && parent.parent.adjustIFrameSize) parent.parent.adjustIFrameSize();
    IconStore.init();
    <%
    // Root entry for the user's Home directory
    if (userHome != null)
    {
      %>
      var userHome = JoustMenu.addMenuItem(-1, 'Home', 'My home', 'directoryOnClick(<%=userHome.getId()%>, "<%=HTML.javaScriptEncode(userHome.getPath().toString())%>")', '', 'D<%=userHome.getId()%>');
      JoustMenu.menuItems[userHome].noOutlineIcon = true;
      JoustMenu.menuItems[userHome].isOpen = true;
      <%=generateSubTree(tree, ignore, userHome, ID, "userHome")%>
      <%
    }
    // Root entry for entire directory tree
    %>
    var root = JoustMenu.addMenuItem(-1, '<%=rootIcon%>', '<%=HTML.javaScriptEncode(rootTitle)%>', 'directoryOnClick(<%=root.getId()%>, "<%=HTML.javaScriptEncode(root.getPath().toString())%>")', '', 'D<%=root.getId()%>');
    JoustMenu.menuItems[root].noOutlineIcon = true;
    JoustMenu.menuItems[root].isOpen = true;
    <%=generateSubTree(tree, ignore, root, ID, "root")%>

    <%
    // Add 'current' as root entry if we have not seen it before
    if (!ignore.contains(current))
    {
      // but... move up as far as the user has 'read' permission...
      Directory currentRoot = current;
      try
      {
        while (currentRoot != null && !ignore.contains(currentRoot.getParent()))
        {
          currentRoot = currentRoot.getParent();
        }
      }
      catch (Throwable t)
      {}
      if (currentRoot == null) currentRoot = current;
      %>
      var currentRoot = JoustMenu.addMenuItem(-1, 'Folder', '<%=HTML.javaScriptEncode(currentRoot.getPath().toString())%>', 'directoryOnClick(<%=currentRoot.getId()%>, "<%=HTML.javaScriptEncode(currentRoot.getPath().toString())%>")', '', 'D<%=currentRoot.getId()%>');
      JoustMenu.menuItems[currentRoot].noOutlineIcon = true;
      JoustMenu.menuItems[currentRoot].isOpen = true;
      <%=generateSubTree(tree, ignore, currentRoot, ID, "currentRoot")%>
      <%
    }
    %>
    JoustMenu.draw('joust');
    var lastDirectory = JoustMenu.menuItems['D<%=current.getId()%>'];
    JoustMenu.select(lastDirectory.index);
    JoustMenu.alwaysSendOnClickToSelected = true;
    isInitialised = true;
  }
  
  function lazyInitSubdir(directoryId)
  {
    var request = Ajax.getXmlHttpRequest();
    var url = 'ajax.jsp?ID=<%=ID%>&cmd=GetSubdirectories&item_id=' + directoryId;
    request.open("GET", url, false); 
    // NOTE! 'false' causes code to wait for the response. aka. 'Synchronous AJAX' or SJAX.
    request.send(null);
    var response = request.responseText.split('\n');
    
    var kv = new Array();
    var numAdded = 0;
    var parent = JoustMenu.menuItems['D'+directoryId];
    for (var i = 0; i < response.length; i++)
    {
      var txt = Main.trimString(response[i]);
      //alert(txt.length+':'+txt);
      if (txt == 'end')
      {
        var id = kv['id'];
        var folderIcon = 'Folder';
        if (kv['home'] == 1)
        {
          folderIcon = 'UserHome';
        }
        else if (kv['removed'] == 1)
        {
          folderIcon = 'FolderDeleted';
        }
        else if (kv['auto-compress'] == 1)
        {
          folderIcon = 'FolderCompressed';
        }
        numAdded++;
        JoustMenu.addLazyChildItem(parent.index, folderIcon, kv['name'], 'directoryOnClick('+id+',\''+kv['path']+'\')', '', 'D'+id, 'lazyInitSubdir('+id+')');
      }
      else
      {
        var tmp = txt.split(':', 2);
        kv[tmp[0]] = tmp[1];
      }
    }
    //alert(numAdded);
    return numAdded > 0;
  }
  <%
  if ("selectonedirectory".equals(mode))
  {
    %>
    var lastDirectoryId;
    function directoryOnClick(directoryId, path)
    {
      var frm = document.forms['directory'];
      frm.directory_id.value = directoryId;
      frm.path.value = path;
      lastDirectoryId = directoryId;
    }
    function returnSelected()
    {
      var frm = document.forms['directory'];
      top.window.opener.<%=callback%>(frm.directory_id.value, frm.path.value);
      top.window.close();
    }
    function newDirectory()
    {
      Main.viewOrEditItem('<%=ID%>', '<%=itemType.name()%>', 0, true, '&parent_id='+lastDirectoryId);
    }
    <%
  }
  else
  {
    %>
    function directoryOnClick(directoryId, path)
    {
      if (!isInitialised && parent.frames.files.location.href.match('jsp')) return;
      parent.lastOpenDirectoryId = directoryId;
      parent.frames.files.location.href = '../files/index.jsp?ID=<%=ID%>&cmd=List&directory_id='+directoryId+'&mode=<%=mode%>';
      if (window.top.setSelected)
      {
        window.top.setSelected('', path);
      }
    }
    <%
  }
  %>
  function refresh()
  {
    location.reload();
  }
  </script>
  </base:head>
  
  <%
  if ("selectonedirectory".equals(mode))
  {
    %>
    <base:body onload="initialise()"
      style="padding-left: 0px; padding-right: 0px;"
      >
      <div id="main" class="joust" style="width:100%;">
        <h3 class="docked"><%=requestTitle == null ? "Select one directory" : requestTitle%></h3>
        <tbl:toolbar>
          <tbl:button 
            image="directory_new.gif" 
            onclick="newDirectory()" 
            title="New&hellip;" 
            tooltip="Create a new directory" 
          />
        </tbl:toolbar>
        <div id="joust" class="boxedbottom" style="height: <%=(int)(scale*340)%>px; overflow:auto; background: #E0E0E0;">
        </div>
      </div>
      
      <form name="directory">
      <br>
      <input type="hidden" name="directory_id" value="">
      <b><%=requestTitle == null ? "Path" : requestTitle%></b> <input type="text" class="text" readonly name="path" size="40">
      <p>
      <table align="center">
      <tr>
        <td width="50%"><base:button onclick="returnSelected()" title="Ok" /></td>
        <td width="50%"><base:button onclick="window.close()" title="Cancel" /></td>
      </tr>
      </table>
      </form>
    </base:body>
    <%
  }
  else
  {
    %>
    <base:body onload="initialise()" 
      style="border: 1px solid #999999; border-bottom: 0px; border-right: 0px; padding-left: 0px; padding-right: 0px;" >
    <div id="main" class="joust" style="width:100%;">
      <div id="joust" style="overflow: auto;">
      </div>
      <div style="width:99%;">
      <table align="center">
      <tr>
        <td><base:button onclick="refresh()" title="Refresh" image="refresh.gif" /></td>
      </tr>
      </table>
      </div>
    </div>
    </base:body>
    <%
  }
  %>
  </base:page>
  <%
}
finally
{
  if (dc != null) dc.close();
}
%>