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

   1 /*
   2  *  Copyright (c) 2011 Greek Research and Technology Network
   3  */
   4 package gr.grnet.pithos.web.client;
   5
   6 import gr.grnet.pithos.web.client.commands.CopyCommand;
   7 import gr.grnet.pithos.web.client.commands.CutCommand;
   8 import gr.grnet.pithos.web.client.commands.DeleteCommand;
   9 import gr.grnet.pithos.web.client.commands.PasteCommand;
  10 import gr.grnet.pithos.web.client.commands.ToTrashCommand;
  11 import gr.grnet.pithos.web.client.rest.resource.FileResource;
  12
  13 import gr.grnet.pithos.web.client.rest.resource.GroupUserResource;
  14 import gr.grnet.pithos.web.client.rest.resource.RestResourceWrapper;
  15
  16 import java.util.List;
  17
  18 import com.google.gwt.event.dom.client.ClickEvent;
  19 import com.google.gwt.event.dom.client.ClickHandler;
  20 import com.google.gwt.resources.client.ClientBundle;
  21 import com.google.gwt.resources.client.ImageResource;
  22 import com.google.gwt.user.client.Command;
  23 import com.google.gwt.user.client.ui.AbstractImagePrototype;
  24 import com.google.gwt.user.client.ui.MenuBar;
  25 import com.google.gwt.user.client.ui.MenuItem;
  26 import com.google.gwt.user.client.ui.PopupPanel;
  27
  28 /**
  29  * The 'Edit' menu implementation.
  30  */
  31 public class EditMenu extends PopupPanel implements ClickHandler {
  32
  33         /**
  34          * The widget's images.
  35          */
  36         private final Images images;
  37
  38         private final MenuBar contextMenu  = new MenuBar(true);
  39
  40         /**
  41          * An image bundle for this widget's images.
  42          */
  43         public interface Images extends ClientBundle, FileMenu.Images, MessagePanel.Images {
  44
  45                 /**
  46                  * Will bundle the file 'editcut.png' residing in the package
  47                  * 'gr.grnet.pithos.web.resources'.
  48                  *
  49                  * @return the image prototype
  50                  */
  51                 @Source("gr/grnet/pithos/resources/editcut.png")
  52                 ImageResource cut();
  53
  54                 /**
  55                  * Will bundle the file 'editcopy.png' residing in the package
  56                  * 'gr.grnet.pithos.web.resources'.
  57                  *
  58                  * @return the image prototype
  59                  */
  60                 @Source("gr/grnet/pithos/resources/editcopy.png")
  61                 ImageResource copy();
  62
  63                 /**
  64                  * Will bundle the file 'editpaste.png' residing in the package
  65                  * 'gr.grnet.pithos.web.resources'.
  66                  *
  67                  * @return the image prototype
  68                  */
  69                 @Source("gr/grnet/pithos/resources/editpaste.png")
  70                 ImageResource paste();
  71
  72                 /**
  73                  * Will bundle the file 'editdelete.png' residing in the package
  74                  * 'gr.grnet.pithos.web.resources'.
  75                  *
  76                  * @return the image prototype
  77                  */
  78                 @Override
  79                 @Source("gr/grnet/pithos/resources/editdelete.png")
  80                 ImageResource delete();
  81
  82                 /**
  83                  * Will bundle the file 'translate.png' residing in the package
  84                  * 'gr.grnet.pithos.web.resources'.
  85                  *
  86                  * @return the image prototype
  87                  */
  88                 @Source("gr/grnet/pithos/resources/translate.png")
  89                 ImageResource selectAll();
  90
  91                 /**
  92                  * Will bundle the file 'border_remove.png' residing in the package
  93                  * 'gr.grnet.pithos.web.resources'.
  94                  *
  95                  * @return the image prototype
  96                  */
  97                 @Source("gr/grnet/pithos/resources/border_remove.png")
  98                 ImageResource unselectAll();
  99         }
 100
 101         /**
 102          * The widget's constructor.
 103          *
 104          * @param newImages the image bundle passed on by the parent object
 105          */
 106         public EditMenu(final Images newImages) {
 107                 // The popup's constructor's argument is a boolean specifying that it
 108                 // auto-close itself when the user clicks outside of it.
 109                 super(true);
 110                 setAnimationEnabled(true);
 111                 images = newImages;
 112                 createMenu();
 113                 add(contextMenu);
 114         }
 115
 116         @Override
 117         public void onClick(ClickEvent event) {
 118                 final EditMenu menu = new EditMenu(images);
 119                 final int left = event.getRelativeElement().getAbsoluteLeft();
 120                 final int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();
 121                 menu.setPopupPosition(left, top);
 122                 menu.show();
 123         }
 124
 125         public MenuBar createMenu() {
 126                 contextMenu.clearItems();
 127                 contextMenu.setAutoOpen(false);
 128
 129                 final Command selectAllCommand = new Command() {
 130
 131                         @Override
 132                         public void execute() {
 133                                 hide();
 134                                 if(GSS.get().isFileListShowing())
 135                                         GSS.get().getFileList().selectAllRows();
 136                         }
 137                 };
 138                 final Command unselectAllCommand = new Command() {
 139
 140                         @Override
 141                         public void execute() {
 142                                 hide();
 143                                 if(GSS.get().isFileListShowing())
 144                                         GSS.get().getFileList().clearSelectedRows();
 145                         }
 146                 };
 147
 148                 boolean cutcopyVisible = GSS.get().getCurrentSelection() != null && (GSS.get().getCurrentSelection() instanceof RestResourceWrapper
 149                                         || GSS.get().getCurrentSelection() instanceof FileResource || GSS       .get().getCurrentSelection() instanceof GroupUserResource || GSS        .get().getCurrentSelection() instanceof List);
 150                 String cutLabel = "Cut";
 151                 String copyLabel ="Copy";
 152                 String pasteLabel = "Paste";
 153                 if(GSS.get().getCurrentSelection() != null)
 154                         if(GSS.get().getCurrentSelection() instanceof RestResourceWrapper){
 155                                 cutLabel = "Cut Folder";
 156                                 copyLabel = "Copy Folder";
 157                         }
 158                         else if(GSS.get().getCurrentSelection() instanceof FileResource){
 159                                 cutLabel = "Cut File";
 160                                 copyLabel = "Copy File";
 161                         }
 162                         else if(GSS.get().getCurrentSelection() instanceof List){
 163                                 cutLabel = "Cut Files";
 164                                 copyLabel = "Copy Files";
 165                         }
 166                 if(GSS.get().getClipboard().getItem() != null)
 167                         if(GSS.get().getClipboard().getItem().getFile() != null)
 168                                 pasteLabel = "Paste File";
 169                         else if(GSS.get().getClipboard().getItem().getFiles() != null)
 170                                 pasteLabel = "Paste Files";
 171                         else if(GSS.get().getClipboard().getItem().getRestResourceWrapper() != null)
 172                                 pasteLabel = "Paste Folder";
 173                 MenuItem cutItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.cut()).getHTML() + "&nbsp;"+cutLabel+"</span>", true, new CutCommand(this));
 174                 cutItem.getElement().setId("topMenu.edit.cut");
 175                 contextMenu.addItem(cutItem).setVisible(cutcopyVisible);
 176
 177                 MenuItem copyItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.copy()).getHTML() + "&nbsp;"+copyLabel+"</span>", true, new CopyCommand(this));
 178                 copyItem.getElement().setId("topMenu.edit.copy");
 179                 contextMenu.addItem(copyItem).setVisible(cutcopyVisible);
 180
 181                 MenuItem pasteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.paste()).getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(this));
 182                 pasteItem.getElement().setId("topMenu.edit.paste");
 183                 if (GSS.get().getClipboard().getItem() != null)
 184                         if(GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() == null){
 185                                 contextMenu.addItem(pasteItem);
 186                         }
 187                         else if(!GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() != null){
 188                                 //do not show paste
 189                         }
 190                         else if (GSS.get().getTreeView().getSelection() instanceof RestResourceWrapper){
 191                                 contextMenu.addItem(pasteItem);
 192                         }
 193                 MenuItem moveToTrashItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(this));
 194                 moveToTrashItem.getElement().setId("topMenu.edit.moveToTrash");
 195                 contextMenu     .addItem(moveToTrashItem)
 196                                         .setVisible(cutcopyVisible);
 197
 198                 MenuItem deleteItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, images));
 199                 deleteItem.getElement().setId("topMenu.edit.delete");
 200                 contextMenu     .addItem(deleteItem)
 201                                         .setVisible(cutcopyVisible);
 202
 203                 MenuItem selectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.selectAll()).getHTML() + "&nbsp;Select All</span>", true, selectAllCommand);
 204                 selectAllItem.getElement().setId("topMenu.edit.selectAll");
 205                 contextMenu.addItem(selectAllItem);
 206
 207                 MenuItem unSelectAllItem = new MenuItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect All</span>", true, unselectAllCommand);
 208                 unSelectAllItem.getElement().setId("topMenu.edit.unSelectAll");
 209                 contextMenu.addItem(unSelectAllItem);
 210                 return contextMenu;
 211         }
 212
 213
 214
 215 }