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