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