code.grnet.gr Git - pithos/blob - gss/src/gr/ebs/gss/client/dnd/DnDDropController.java

   1 /*
   2  * Copyright 2008, 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.client.dnd;
  20
  21 import gr.ebs.gss.client.GSS;
  22 import gr.ebs.gss.client.rest.resource.FileResource;
  23 import gr.ebs.gss.client.rest.resource.FolderResource;
  24
  25 import java.util.List;
  26
  27 import com.allen_sauer.gwt.dnd.client.DragContext;
  28 import com.allen_sauer.gwt.dnd.client.drop.SimpleDropController;
  29
  30 /**
  31  * @author kman
  32  */
  33 public class DnDDropController extends SimpleDropController {
  34
  35         DnDFocusPanel nodeHolder;
  36
  37         /**
  38          *
  39          */
  40         public DnDDropController(DnDFocusPanel widget) {
  41                 super(widget);
  42                 nodeHolder = widget;
  43         }
  44
  45         /* (non-Javadoc)
  46          * @see com.allen_sauer.gwt.dnd.client.drop.AbstractDropController#onDrop(com.allen_sauer.gwt.dnd.client.DragContext)
  47          */
  48         public void onDrop(DragContext context) {
  49                 super.onDrop(context);
  50                 DnDFocusPanel toDrop = (DnDFocusPanel) context.draggable;
  51                 if (toDrop.getItem() != null) {
  52                         if (toDrop.getItem().getUserObject() != null && toDrop.getItem().getUserObject() instanceof FolderResource) {
  53                                 FolderResource folderToDrop = (FolderResource) toDrop.getItem().getUserObject();
  54                                 FolderResource initialFolder = null;
  55                                 if (GSS.get().getFolders().isTrash(nodeHolder.getItem())) {
  56                                 } else if (nodeHolder.getItem().getUserObject() instanceof FolderResource)
  57                                         initialFolder = (FolderResource) nodeHolder.getItem().getUserObject();
  58                                 boolean othersShared = false;
  59                                 if (GSS.get().getFolders().isOthersSharedItem(nodeHolder.getItem()))
  60                                         othersShared = true;
  61                                 DnDFolderPopupMenu popup = new DnDFolderPopupMenu(GSS.get().getFolders().getImages(), initialFolder, folderToDrop, othersShared);
  62                                 int left = nodeHolder.getItem().getAbsoluteLeft() + 40;
  63                                 int top = nodeHolder.getItem().getAbsoluteTop() + 20;
  64                                 popup.setPopupPosition(left, top);
  65                                 popup.show();
  66                         }
  67                 } else if (toDrop.getFiles() != null) {
  68                         List<FileResource> folderToDrop = toDrop.getFiles();
  69                         FolderResource initialFolder = null;
  70                         if (GSS.get().getFolders().isTrash(nodeHolder.getItem())) {
  71                         } else if (nodeHolder.getItem().getUserObject() instanceof FolderResource)
  72                                 initialFolder = (FolderResource) nodeHolder.getItem().getUserObject();
  73                         boolean othersShared = false;
  74                         if (GSS.get().getFolders().isOthersSharedItem(nodeHolder.getItem()))
  75                                 othersShared = true;
  76                         DnDFolderPopupMenu popup = new DnDFolderPopupMenu(GSS.get().getFolders().getImages(), initialFolder, folderToDrop, othersShared);
  77                         int left = nodeHolder.getItem().getAbsoluteLeft() + 40;
  78                         int top = nodeHolder.getItem().getAbsoluteTop() + 20;
  79                         popup.setPopupPosition(left, top);
  80                         popup.show();
  81                 }
  82         }
  83
  84         @Override
  85         public void onEnter(DragContext context) {
  86                 super.onEnter(context);
  87                 nodeHolder.getItem().getWidget().addStyleName("gss-SelectedRow");
  88                 nodeHolder.getItem().setState(true);
  89                 GSS.get().getDragController().resetCache();
  90         }
  91
  92         @Override
  93         public void onLeave(DragContext context) {
  94                 nodeHolder.getItem().getWidget().removeStyleName("gss-SelectedRow");
  95                 super.onLeave(context);
  96         }
  97
  98 }