code.grnet.gr Git - pithos/blob - web_client/src/gr/grnet/pithos/web/client/EditMenu.java

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client;
  36
  37 import gr.grnet.pithos.web.client.commands.CopyCommand;
  38 import gr.grnet.pithos.web.client.commands.CutCommand;
  39 import gr.grnet.pithos.web.client.commands.DeleteCommand;
  40 import gr.grnet.pithos.web.client.commands.PasteCommand;
  41 import gr.grnet.pithos.web.client.commands.ToTrashCommand;
  42 import gr.grnet.pithos.web.client.foldertree.Folder;
  43 import gr.grnet.pithos.web.client.rest.resource.FileResource;
  44
  45 import gr.grnet.pithos.web.client.rest.resource.GroupUserResource;
  46 import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper;
  47
  48 import java.util.List;
  49
  50 import com.google.gwt.event.dom.client.ClickEvent;
  51 import com.google.gwt.event.dom.client.ClickHandler;
  52 import com.google.gwt.resources.client.ClientBundle;
  53 import com.google.gwt.resources.client.ImageResource;
  54 import com.google.gwt.user.client.Command;
  55 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  56 import com.google.gwt.user.client.ui.MenuBar;
  57 import com.google.gwt.user.client.ui.MenuItem;
  58 import com.google.gwt.user.client.ui.PopupPanel;
  59
  60 /**
  61  * The 'Edit' menu implementation.
  62  */
  63 public class EditMenu extends PopupPanel implements ClickHandler {
  64
  65         /**
  66          * The widget's images.
  67          */
  68         private final Images images;
  69
  70         private final MenuBar contextMenu  = new MenuBar(true);
  71
  72         /**
  73          * An image bundle for this widget's images.
  74          */
  75         public interface Images extends ClientBundle, FileMenu.Images, MessagePanel.Images {
  76
  77                 /**
  78                  * Will bundle the file 'editcut.png' residing in the package
  79                  * 'gr.grnet.pithos.web.resources'.
  80                  *
  81                  * @return the image prototype
  82                  */
  83                 @Source("gr/grnet/pithos/resources/editcut.png")
  84                 ImageResource cut();
  85
  86                 /**
  87                  * Will bundle the file 'editcopy.png' residing in the package
  88                  * 'gr.grnet.pithos.web.resources'.
  89                  *
  90                  * @return the image prototype
  91                  */
  92                 @Source("gr/grnet/pithos/resources/editcopy.png")
  93                 ImageResource copy();
  94
  95                 /**
  96                  * Will bundle the file 'editpaste.png' residing in the package
  97                  * 'gr.grnet.pithos.web.resources'.
  98                  *
  99                  * @return the image prototype
 100                  */
 101                 @Source("gr/grnet/pithos/resources/editpaste.png")
 102                 ImageResource paste();
 103
 104                 /**
 105                  * Will bundle the file 'editdelete.png' residing in the package
 106                  * 'gr.grnet.pithos.web.resources'.
 107                  *
 108                  * @return the image prototype
 109                  */
 110                 @Override
 111                 @Source("gr/grnet/pithos/resources/editdelete.png")
 112                 ImageResource delete();
 113
 114                 /**
 115                  * Will bundle the file 'translate.png' residing in the package
 116                  * 'gr.grnet.pithos.web.resources'.
 117                  *
 118                  * @return the image prototype
 119                  */
 120                 @Source("gr/grnet/pithos/resources/translate.png")
 121                 ImageResource selectAll();
 122
 123                 /**
 124                  * Will bundle the file 'border_remove.png' residing in the package
 125                  * 'gr.grnet.pithos.web.resources'.
 126                  *
 127                  * @return the image prototype
 128                  */
 129                 @Source("gr/grnet/pithos/resources/border_remove.png")
 130                 ImageResource unselectAll();
 131         }
 132
 133         /**
 134          * The widget's constructor.
 135          *
 136          * @param newImages the image bundle passed on by the parent object
 137          */
 138         public EditMenu(final Images newImages) {
 139                 // The popup's constructor's argument is a boolean specifying that it
 140                 // auto-close itself when the user clicks outside of it.
 141                 super(true);
 142                 setAnimationEnabled(true);
 143                 images = newImages;
 144                 createMenu();
 145                 add(contextMenu);
 146         }
 147
 148         @Override
 149         public void onClick(ClickEvent event) {
 150                 final EditMenu menu = new EditMenu(images);
 151                 final int left = event.getRelativeElement().getAbsoluteLeft();
 152                 final int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();
 153                 menu.setPopupPosition(left, top);
 154                 menu.show();
 155         }
 156
 157         public MenuBar createMenu() {
 158                 contextMenu.clearItems();
 159                 contextMenu.setAutoOpen(false);
 160
 161                 final Command selectAllCommand = new Command() {
 162
 163                         @Override
 164                         public void execute() {
 165                                 hide();
 166                                 if(GSS.get().isFileListShowing())
 167                                         GSS.get().getFileList().selectAllRows();
 168                         }
 169                 };
 170                 final Command unselectAllCommand = new Command() {
 171
 172                         @Override
 173                         public void execute() {
 174                                 hide();
 175                                 if(GSS.get().isFileListShowing())
 176                                         GSS.get().getFileList().clearSelectedRows();
 177                         }
 178                 };
 179
 180                 boolean cutcopyVisible = GSS.get().getCurrentSelection() != null && (GSS.get().getCurrentSelection() instanceof RestResourceWrapper
 181                                         || GSS.get().getCurrentSelection() instanceof FileResource || GSS       .get().getCurrentSelection() instanceof GroupUserResource || GSS        .get().getCurrentSelection() instanceof List);
 182                 String cutLabel = "Cut";
 183                 String copyLabel ="Copy";
 184                 String pasteLabel = "Paste";
 185                 if(GSS.get().getCurrentSelection() != null)
 186                         if(GSS.get().getCurrentSelection() instanceof RestResourceWrapper){
 187                                 cutLabel = "Cut Folder";
 188                                 copyLabel = "Copy Folder";
 189                         }
 190                         else if(GSS.get().getCurrentSelection() instanceof FileResource){
 191                                 cutLabel = "Cut File";
 192                                 copyLabel = "Copy File";
 193                         }
 194                         else if(GSS.get().getCurrentSelection() instanceof List){
 195                                 cutLabel = "Cut Files";
 196                                 copyLabel = "Copy Files";
 197                         }
 198                 if(GSS.get().getClipboard().getItem() != null)
 199                         if(GSS.get().getClipboard().getItem() instanceof List) {
 200                 if (((List) GSS.get().getClipboard().getItem()).size() > 1)
 201                                     pasteLabel = "Paste Files";
 202                 else
 203                     pasteLabel = "Paste File";
 204             }
 205                         else if(GSS.get().getClipboard().getItem() instanceof Folder)
 206                                 pasteLabel = "Paste Folder";
 207                 MenuItem cutItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.cut()).getHTML() + "&nbsp;"+cutLabel+"</span>", true, new CutCommand(GSS.get(), this, null));
 208                 cutItem.getElement().setId("topMenu.edit.cut");
 209                 contextMenu.addItem(cutItem).setVisible(cutcopyVisible);
 210
 211                 MenuItem copyItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.copy()).getHTML() + "&nbsp;"+copyLabel+"</span>", true, new CopyCommand(GSS.get(), this, null));
 212                 copyItem.getElement().setId("topMenu.edit.copy");
 213                 contextMenu.addItem(copyItem).setVisible(cutcopyVisible);
 214
 215                 MenuItem pasteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.paste()).getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(GSS.get(), this, null));
 216                 pasteItem.getElement().setId("topMenu.edit.paste");
 217                 if (GSS.get().getClipboard().getItem() != null)
 218                 contextMenu.addItem(pasteItem);
 219                 MenuItem moveToTrashItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(this));
 220                 moveToTrashItem.getElement().setId("topMenu.edit.moveToTrash");
 221                 contextMenu     .addItem(moveToTrashItem)
 222                                         .setVisible(cutcopyVisible);
 223
 224                 MenuItem deleteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, null, images));
 225                 deleteItem.getElement().setId("topMenu.edit.delete");
 226                 contextMenu     .addItem(deleteItem)
 227                                         .setVisible(cutcopyVisible);
 228
 229                 MenuItem selectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.selectAll()).getHTML() + "&nbsp;Select All</span>", true, selectAllCommand);
 230                 selectAllItem.getElement().setId("topMenu.edit.selectAll");
 231                 contextMenu.addItem(selectAllItem);
 232
 233                 MenuItem unSelectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect All</span>", true, unselectAllCommand);
 234                 unSelectAllItem.getElement().setId("topMenu.edit.unSelectAll");
 235                 contextMenu.addItem(unSelectAllItem);
 236                 return contextMenu;
 237         }
 238
 239
 240
 241 }