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

   1 /*
   2  * Copyright 2007, 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;
  20
  21 import gr.ebs.gss.client.commands.CopyCommand;
  22 import gr.ebs.gss.client.commands.CutCommand;
  23 import gr.ebs.gss.client.commands.DeleteCommand;
  24 import gr.ebs.gss.client.commands.PasteCommand;
  25 import gr.ebs.gss.client.commands.ToTrashCommand;
  26 import gr.ebs.gss.client.rest.resource.FileResource;
  27 import gr.ebs.gss.client.rest.resource.FolderResource;
  28 import gr.ebs.gss.client.rest.resource.GroupUserResource;
  29
  30 import java.util.List;
  31
  32 import com.google.gwt.event.dom.client.ClickEvent;
  33 import com.google.gwt.event.dom.client.ClickHandler;
  34 import com.google.gwt.resources.client.ClientBundle;
  35 import com.google.gwt.resources.client.ImageResource;
  36 import com.google.gwt.user.client.Command;
  37 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  38 import com.google.gwt.user.client.ui.MenuBar;
  39 import com.google.gwt.user.client.ui.MenuItem;
  40 import com.google.gwt.user.client.ui.PopupPanel;
  41
  42 /**
  43  * The 'Edit' menu implementation.
  44  */
  45 public class EditMenu extends PopupPanel implements ClickHandler {
  46
  47         /**
  48          * The widget's images.
  49          */
  50         private final Images images;
  51
  52         private final MenuBar contextMenu  = new MenuBar(true);
  53
  54         /**
  55          * An image bundle for this widget's images.
  56          */
  57         public interface Images extends ClientBundle, FileMenu.Images, MessagePanel.Images {
  58
  59                 /**
  60                  * Will bundle the file 'editcut.png' residing in the package
  61                  * 'gr.ebs.gss.resources'.
  62                  *
  63                  * @return the image prototype
  64                  */
  65                 @Source("gr/ebs/gss/resources/editcut.png")
  66                 ImageResource cut();
  67
  68                 /**
  69                  * Will bundle the file 'editcopy.png' residing in the package
  70                  * 'gr.ebs.gss.resources'.
  71                  *
  72                  * @return the image prototype
  73                  */
  74                 @Source("gr/ebs/gss/resources/editcopy.png")
  75                 ImageResource copy();
  76
  77                 /**
  78                  * Will bundle the file 'editpaste.png' residing in the package
  79                  * 'gr.ebs.gss.resources'.
  80                  *
  81                  * @return the image prototype
  82                  */
  83                 @Source("gr/ebs/gss/resources/editpaste.png")
  84                 ImageResource paste();
  85
  86                 /**
  87                  * Will bundle the file 'editdelete.png' residing in the package
  88                  * 'gr.ebs.gss.resources'.
  89                  *
  90                  * @return the image prototype
  91                  */
  92                 @Override
  93                 @Source("gr/ebs/gss/resources/editdelete.png")
  94                 ImageResource delete();
  95
  96                 /**
  97                  * Will bundle the file 'translate.png' residing in the package
  98                  * 'gr.ebs.gss.resources'.
  99                  *
 100                  * @return the image prototype
 101                  */
 102                 @Source("gr/ebs/gss/resources/translate.png")
 103                 ImageResource selectAll();
 104
 105                 /**
 106                  * Will bundle the file 'border_remove.png' residing in the package
 107                  * 'gr.ebs.gss.resources'.
 108                  *
 109                  * @return the image prototype
 110                  */
 111                 @Source("gr/ebs/gss/resources/border_remove.png")
 112                 ImageResource unselectAll();
 113         }
 114
 115         /**
 116          * The widget's constructor.
 117          *
 118          * @param newImages the image bundle passed on by the parent object
 119          */
 120         public EditMenu(final Images newImages) {
 121                 // The popup's constructor's argument is a boolean specifying that it
 122                 // auto-close itself when the user clicks outside of it.
 123                 super(true);
 124                 setAnimationEnabled(true);
 125                 images = newImages;
 126                 createMenu();
 127                 add(contextMenu);
 128         }
 129
 130         @Override
 131         public void onClick(ClickEvent event) {
 132                 final EditMenu menu = new EditMenu(images);
 133                 final int left = event.getRelativeElement().getAbsoluteLeft();
 134                 final int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();
 135                 menu.setPopupPosition(left, top);
 136                 menu.show();
 137         }
 138
 139         public MenuBar createMenu() {
 140                 contextMenu.clearItems();
 141                 contextMenu.setAutoOpen(false);
 142
 143                 final Command selectAllCommand = new Command() {
 144
 145                         @Override
 146                         public void execute() {
 147                                 hide();
 148                                 if(GSS.get().isFileListShowing())
 149                                         GSS.get().getFileList().selectAllRows();
 150                                 else if(GSS.get().isSearchResultsShowing())
 151                                         GSS.get().getSearchResults().selectAllRows();
 152                         }
 153                 };
 154                 final Command unselectAllCommand = new Command() {
 155
 156                         @Override
 157                         public void execute() {
 158                                 hide();
 159                                 if(GSS.get().isFileListShowing())
 160                                         GSS.get().getFileList().clearSelectedRows();
 161                                 else if(GSS.get().isSearchResultsShowing())
 162                                         GSS.get().getSearchResults().clearSelectedRows();
 163                         }
 164                 };
 165
 166                 boolean cutcopyVisible = GSS.get().getCurrentSelection() != null && (GSS.get().getCurrentSelection() instanceof FolderResource
 167                                         || GSS.get().getCurrentSelection() instanceof FileResource || GSS       .get().getCurrentSelection() instanceof GroupUserResource || GSS        .get().getCurrentSelection() instanceof List);
 168                 String cutLabel = "Cut";
 169                 String copyLabel ="Copy";
 170                 String pasteLabel = "Paste";
 171                 if(GSS.get().getCurrentSelection() != null)
 172                         if(GSS.get().getCurrentSelection() instanceof FolderResource){
 173                                 cutLabel = "Cut Folder";
 174                                 copyLabel = "Copy Folder";
 175                         }
 176                         else if(GSS.get().getCurrentSelection() instanceof FileResource){
 177                                 cutLabel = "Cut File";
 178                                 copyLabel = "Copy File";
 179                         }
 180                         else if(GSS.get().getCurrentSelection() instanceof List){
 181                                 cutLabel = "Cut Files";
 182                                 copyLabel = "Copy Files";
 183                         }
 184                 if(GSS.get().getClipboard().getItem() != null)
 185                         if(GSS.get().getClipboard().getItem().getFile() != null)
 186                                 pasteLabel = "Paste File";
 187                         else if(GSS.get().getClipboard().getItem().getFiles() != null)
 188                                 pasteLabel = "Paste Files";
 189                         else if(GSS.get().getClipboard().getItem().getFolderResource() != null)
 190                                 pasteLabel = "Paste Folder";
 191                 MenuItem cutItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.cut()).getHTML() + "&nbsp;"+cutLabel+"</span>", true, new CutCommand(this));
 192                 cutItem.getElement().setId("topMenu.editMenu.cut");
 193                 contextMenu.addItem(cutItem).setVisible(cutcopyVisible);
 194
 195                 MenuItem copyItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.copy()).getHTML() + "&nbsp;"+copyLabel+"</span>", true, new CopyCommand(this));
 196                 copyItem.getElement().setId("topMenu.editMenu.copy");
 197                 contextMenu.addItem(copyItem).setVisible(cutcopyVisible);
 198
 199                 MenuItem pasteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.paste()).getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(this));
 200                 pasteItem.getElement().setId("topMenu.editMenu.paste");
 201                 if (GSS.get().getClipboard().getItem() != null)
 202                         if(GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() == null){
 203                                 contextMenu.addItem(pasteItem);
 204                         }
 205                         else if(!GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() != null){
 206                                 //do not show paste
 207                         }
 208                         else if (GSS.get().getFolders().getCurrent().getUserObject() instanceof FolderResource){
 209                                 contextMenu.addItem(pasteItem);
 210                         }
 211                 MenuItem moveToTrashItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(this));
 212                 moveToTrashItem.getElement().setId("topMenu.editMenu.moveToTrash");
 213                 contextMenu     .addItem(moveToTrashItem)
 214                                         .setVisible(cutcopyVisible);
 215
 216                 MenuItem deleteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, images));
 217                 deleteItem.getElement().setId("topMenu.editMenu.delete");
 218                 contextMenu     .addItem(deleteItem)
 219                                         .setVisible(cutcopyVisible);
 220
 221                 MenuItem selectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.selectAll()).getHTML() + "&nbsp;Select All</span>", true, selectAllCommand);
 222                 selectAllItem.getElement().setId("topMenu.editMenu.selectAll");
 223                 contextMenu.addItem(selectAllItem);
 224
 225                 MenuItem unSelectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect All</span>", true, unselectAllCommand);
 226                 unSelectAllItem.getElement().setId("topMenu.editMenu.unSelectAll");
 227                 contextMenu.addItem(unSelectAllItem);
 228                 return contextMenu;
 229         }
 230
 231
 232
 233 }