code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/FileContextMenu.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.PropertiesCommand;
  26 import gr.ebs.gss.client.commands.RefreshCommand;
  27 import gr.ebs.gss.client.commands.RestoreTrashCommand;
  28 import gr.ebs.gss.client.commands.ToTrashCommand;
  29 import gr.ebs.gss.client.commands.UploadFileCommand;
  30 import gr.ebs.gss.client.rest.resource.FileResource;
  31 import gr.ebs.gss.client.rest.resource.FolderResource;
  32 import gr.ebs.gss.client.rest.resource.RestResource;
  33 import gr.ebs.gss.client.rest.resource.RestResourceWrapper;
  34 import gr.ebs.gss.client.rest.resource.TrashFolderResource;
  35
  36 import java.util.List;
  37
  38 import com.google.gwt.event.dom.client.ClickEvent;
  39 import com.google.gwt.event.dom.client.ClickHandler;
  40 import com.google.gwt.event.dom.client.ContextMenuEvent;
  41 import com.google.gwt.resources.client.ClientBundle;
  42 import com.google.gwt.resources.client.ImageResource;
  43 import com.google.gwt.user.client.Command;
  44 import com.google.gwt.user.client.Event;
  45 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  46 import com.google.gwt.user.client.ui.MenuBar;
  47 import com.google.gwt.user.client.ui.MenuItem;
  48 import com.google.gwt.user.client.ui.PopupPanel;
  49
  50 /**
  51  * The 'File Context' menu implementation.
  52  */
  53 public class FileContextMenu extends PopupPanel implements ClickHandler {
  54
  55         /**
  56          * The widget's images.
  57          */
  58         private final Images images;
  59
  60         private MenuItem cutItem;
  61
  62         private MenuItem copyItem;
  63
  64         private MenuItem pasteItem;
  65
  66         private MenuItem updateItem;
  67
  68         private MenuItem sharingItem;
  69
  70         private MenuItem propItem;
  71
  72         private MenuItem trashItem;
  73
  74         private MenuItem deleteItem;
  75
  76         private MenuItem downloadItem;
  77
  78         private MenuItem saveAsItem;
  79
  80         /**
  81          * The image bundle for this widget's images that reuses images defined in
  82          * other menus.
  83          */
  84         public interface Images extends ClientBundle,FileMenu.Images, EditMenu.Images {
  85
  86                 @Source("gr/ebs/gss/resources/mimetypes/document.png")
  87                 ImageResource fileContextMenu();
  88
  89                 @Source("gr/ebs/gss/resources/doc_versions.png")
  90                 ImageResource versions();
  91
  92                 @Override
  93                 @Source("gr/ebs/gss/resources/group.png")
  94                 ImageResource sharing();
  95
  96                 @Override
  97                 @Source("gr/ebs/gss/resources/border_remove.png")
  98                 ImageResource unselectAll();
  99
 100                 @Source("gr/ebs/gss/resources/demo.png")
 101                 ImageResource viewImage();
 102 }
 103
 104         public static native String getDate()/*-{
 105                 return (new Date()).toUTCString();
 106         }-*/;
 107
 108         /**
 109          * The widget's constructor.
 110          *
 111          * @param newImages the image bundle passed on by the parent object
 112          */
 113         public FileContextMenu(Images newImages, boolean isTrash, boolean isEmpty) {
 114                 // The popup's constructor's argument is a boolean specifying that it
 115                 // auto-close itself when the user clicks outside of it.
 116                 super(true);
 117                 GSS gss = GSS.get();
 118                 setAnimationEnabled(true);
 119                 images = newImages;
 120
 121                 // The command that does some validation before downloading a file.
 122                 Command downloadCmd = new Command() {
 123
 124                         @Override
 125                         public void execute() {
 126                                 hide();
 127                                 GSS.get().getTopPanel().getFileMenu().preDownloadCheck();
 128                         }
 129                 };
 130
 131                 pasteItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.paste()).getHTML() + "&nbsp;Paste</span>", true, new PasteCommand(this));
 132                 RestResource sel = GSS.get().getTreeView().getSelection();
 133                 MenuBar contextMenu = new MenuBar(true);
 134                 if (isEmpty) {
 135                         contextMenu.addItem(pasteItem);
 136                         if (sel != null)
 137                                 /*TODO:CELLTREE
 138                                 if (GSS.get().getTreeView().isFileItem(GSS.get().getTreeView().getCurrent()))
 139                                         contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.fileUpdate()).getHTML() + "&nbsp;Upload</span>", true, new UploadFileCommand(this));
 140                                 else if (GSS.get().getTreeView().isMySharedItem(GSS.get().getTreeView().getCurrent()) || GSS    .get()
 141                                                                                                                                                                                                                         .getTreeView()
 142                                                                                                                                                                                                                         .isOthersSharedItem(GSS .get()
 143                                                                                                                                                                                                                                                                         .getTreeView()
 144                                                                                                                                                                                                                                                                         .getCurrent()))
 145                                         if(sel instanceof FolderResource)
 146                                                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.fileUpdate()).getHTML() + "&nbsp;Upload</span>", true, new UploadFileCommand(this));
 147                         */
 148                         if(sel instanceof RestResourceWrapper && !(sel instanceof TrashFolderResource)){
 149                                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.fileUpdate()).getHTML() + "&nbsp;Upload</span>", true, new UploadFileCommand(this));
 150                         }
 151                         contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.refresh()).getHTML() + "&nbsp;Refresh</span>", true, new RefreshCommand(this, images));
 152
 153                 } else if (isTrash) {
 154                         contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.versions()).getHTML() + "&nbsp;Restore</span>", true, new RestoreTrashCommand(this));
 155                         contextMenu.addItem("<span>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, images));
 156                 } else {
 157                         final Command unselectAllCommand = new Command() {
 158
 159                                 @Override
 160                                 public void execute() {
 161                                         hide();
 162                                         if(GSS.get().isFileListShowing())
 163                                                 GSS.get().getFileList().clearSelectedRows();
 164                                         else if(GSS.get().isSearchResultsShowing())
 165                                                 GSS.get().getSearchResults().clearSelectedRows();
 166                                 }
 167                         };
 168                         cutItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.cut()).getHTML() + "&nbsp;Cut</span>", true, new CutCommand(this));
 169                         copyItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.copy()).getHTML() + "&nbsp;Copy</span>", true, new CopyCommand(this));
 170
 171                         updateItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.fileUpdate()).getHTML() + "&nbsp;Upload</span>", true, new UploadFileCommand(this));
 172
 173                         trashItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(this));
 174                         deleteItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, images));
 175
 176                         sharingItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.sharing()).getHTML() + "&nbsp;Sharing</span>", true, new PropertiesCommand(this, images, 1));
 177                         propItem = new MenuItem("<span>" + AbstractImagePrototype.create(newImages.viewText()).getHTML() + "&nbsp;Properties</span>", true, new PropertiesCommand(this, images, 0));
 178
 179
 180                         if(sel!=null && sel instanceof FolderResource)
 181                                 contextMenu.addItem(updateItem);
 182                         String[] link = {"", ""};
 183                         gss.getTopPanel().getFileMenu().createDownloadLink(link, false);
 184                         downloadItem = new MenuItem("<span>" + link[0] + AbstractImagePrototype.create(newImages.download()).getHTML() + " Download" + link[1] + "</span>", true, downloadCmd);
 185                         contextMenu.addItem(downloadItem);
 186                         gss.getTopPanel().getFileMenu().createDownloadLink(link, true);
 187                         saveAsItem = new MenuItem("<span>" + link[0] + AbstractImagePrototype.create(newImages.download()).getHTML() + " Save As" + link[1] + "</span>", true, downloadCmd);
 188                         contextMenu.addItem(saveAsItem);
 189                         contextMenu.addItem(cutItem);
 190                         contextMenu.addItem(copyItem);
 191                         if(sel!=null && sel instanceof FolderResource)
 192                                 contextMenu.addItem(pasteItem);
 193                         contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect</span>", true, unselectAllCommand);
 194                         contextMenu.addItem(trashItem);
 195                         contextMenu.addItem(deleteItem);
 196                         contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.refresh()).getHTML() + "&nbsp;Refresh</span>", true, new RefreshCommand(this, images));
 197                         contextMenu.addItem(sharingItem);
 198                         contextMenu.addItem(propItem);
 199                 }
 200                 add(contextMenu);
 201                 if (gss.getClipboard().hasFileItem())
 202                         pasteItem.setVisible(true);
 203                 else
 204                         pasteItem.setVisible(false);
 205         }
 206
 207         void onMultipleSelection() {
 208                 updateItem.setVisible(false);
 209                 downloadItem.setVisible(false);
 210                 saveAsItem.setVisible(false);
 211                 sharingItem.setVisible(false);
 212         }
 213         @Override
 214         public void onClick(ClickEvent event) {
 215                 if (GSS.get().getCurrentSelection() != null)
 216                         if (GSS.get().getCurrentSelection() instanceof FileResource) {
 217                                 FileResource res = (FileResource) GSS.get().getCurrentSelection();
 218                                 FileContextMenu menu;
 219                                 if (res.isDeleted())
 220                                         menu = new FileContextMenu(images, true, false);
 221                                 else
 222                                         menu = new FileContextMenu(images, false, false);
 223                                 int left = event.getRelativeElement().getAbsoluteLeft();
 224                                 int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();
 225                                 menu.setPopupPosition(left, top);
 226                                 menu.show();
 227                         } else if (GSS.get().getCurrentSelection() instanceof List) {
 228                                 FileContextMenu menu;
 229                                 /*TODO: CELLTREE
 230                                 if (GSS.get().getTreeView().isTrashItem(GSS.get().getTreeView().getCurrent()))
 231                                         menu = new FileContextMenu(images, true, false);
 232                                 else {
 233                                         menu = new FileContextMenu(images, false, false);
 234                                         menu.onMultipleSelection();
 235                                 }
 236                                 */
 237                                 menu = new FileContextMenu(images, false, false);
 238                                 menu.onMultipleSelection();
 239                                 int left = event.getRelativeElement().getAbsoluteLeft();
 240                                 int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();
 241                                 menu.setPopupPosition(left, top);
 242                                 menu.show();
 243                         }
 244         }
 245
 246
 247         public void onContextEvent(ContextMenuEvent event) {
 248                 if (GSS.get().getCurrentSelection() != null)
 249                         if (GSS.get().getCurrentSelection() instanceof FileResource) {
 250                                 FileResource res = (FileResource) GSS.get().getCurrentSelection();
 251                                 FileContextMenu menu;
 252                                 if (res.isDeleted())
 253                                         menu = new FileContextMenu(images, true, false);
 254                                 else
 255                                         menu = new FileContextMenu(images, false, false);
 256                                 int left = event.getNativeEvent().getClientX();
 257                                 int top = event.getNativeEvent().getClientY();
 258                                 menu.setPopupPosition(left, top);
 259                                 menu.show();
 260
 261                         } else if (GSS.get().getCurrentSelection() instanceof List) {
 262                                 FileContextMenu menu;
 263                                 /*TODO: CELLTREE
 264                                 if (GSS.get().getTreeView().isTrashItem(GSS.get().getTreeView().getCurrent()))
 265                                         menu = new FileContextMenu(images, true, false);
 266                                 else {
 267                                         menu = new FileContextMenu(images, false, false);
 268                                         menu.onMultipleSelection();
 269                                 }
 270                                 */
 271                                 int left = event.getNativeEvent().getClientX();
 272                                 int top = event.getNativeEvent().getClientY();
 273                                 //menu.setPopupPosition(left, top);
 274                                 //menu.show();
 275                         }
 276         }
 277
 278         public FileContextMenu onEvent(Event event) {
 279                 FileContextMenu menu=null;
 280                 if (GSS.get().getCurrentSelection() != null)
 281                         if (GSS.get().getCurrentSelection() instanceof FileResource) {
 282                                 FileResource res = (FileResource) GSS.get().getCurrentSelection();
 283
 284                                 if (res.isDeleted())
 285                                         menu = new FileContextMenu(images, true, false);
 286                                 else
 287                                         menu = new FileContextMenu(images, false, false);
 288                                 int left = event.getClientX();
 289                                 int top = event.getClientY();
 290                                 menu.setPopupPosition(left, top);
 291                                 menu.show();
 292                         } else if (GSS.get().getCurrentSelection() instanceof List) {
 293                                 /*TODO: CELLTREE
 294                                 if (GSS.get().getTreeView().isTrashItem(GSS.get().getTreeView().getSelection()))
 295                                         menu = new FileContextMenu(images, true, false);
 296                                 else {
 297                                         menu = new FileContextMenu(images, false, false);
 298                                         menu.onMultipleSelection();
 299                                 }*/
 300                                 menu = new FileContextMenu(images, false, false);
 301                                 menu.onMultipleSelection();
 302                                 int left = event.getClientX();
 303                                 int top = event.getClientY();
 304                                 menu.setPopupPosition(left, top);
 305                                 menu.show();
 306                         }
 307                 return menu;
 308         }
 309
 310         public FileContextMenu onEmptyEvent(Event event) {
 311                 FileContextMenu menu=null;
 312                 /*TODO: CELLTREE
 313                 if (GSS.get().getTreeView().isTrashItem(GSS.get().getTreeView().getCurrent()))
 314                         menu = new FileContextMenu(images, true, true);
 315                 else if(((DnDTreeItem)GSS.get().getTreeView().getCurrent()).getFolderResource() != null)
 316                         menu = new FileContextMenu(images, false, true);
 317                 else return menu;
 318                 */
 319                 menu = new FileContextMenu(images, false, true);
 320                 int left = event.getClientX();
 321                 int top = event.getClientY();
 322                 menu.setPopupPosition(left, top);
 323                 menu.show();
 324                 return menu;
 325         }
 326
 327
 328 }