code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/EditMenu.java

   1 /*\r
   2  * Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.\r
   3  *\r
   4  * This file is part of GSS.\r
   5  *\r
   6  * GSS is free software: you can redistribute it and/or modify\r
   7  * it under the terms of the GNU General Public License as published by\r
   8  * the Free Software Foundation, either version 3 of the License, or\r
   9  * (at your option) any later version.\r
  10  *\r
  11  * GSS is distributed in the hope that it will be useful,\r
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14  * GNU General Public License for more details.\r
  15  *\r
  16  * You should have received a copy of the GNU General Public License\r
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.\r
  18  */\r
  19 package gr.ebs.gss.client;\r
  20 \r
  21 import gr.ebs.gss.client.commands.CopyCommand;\r
  22 import gr.ebs.gss.client.commands.CutCommand;\r
  23 import gr.ebs.gss.client.commands.DeleteCommand;\r
  24 import gr.ebs.gss.client.commands.PasteCommand;\r
  25 import gr.ebs.gss.client.commands.ToTrashCommand;\r
  26 import gr.ebs.gss.client.rest.resource.FileResource;\r
  27 import gr.ebs.gss.client.rest.resource.FolderResource;\r
  28 import gr.ebs.gss.client.rest.resource.GroupUserResource;\r
  29 \r
  30 import java.util.List;\r
  31 \r
  32 import com.google.gwt.event.dom.client.ClickEvent;\r
  33 import com.google.gwt.event.dom.client.ClickHandler;\r
  34 import com.google.gwt.resources.client.ClientBundle;\r
  35 import com.google.gwt.resources.client.ImageResource;\r
  36 import com.google.gwt.user.client.Command;\r
  37 import com.google.gwt.user.client.ui.AbstractImagePrototype;\r
  38 import com.google.gwt.user.client.ui.MenuBar;\r
  39 import com.google.gwt.user.client.ui.PopupPanel;\r
  40 \r
  41 /**\r
  42  * The 'Edit' menu implementation.\r
  43  */\r
  44 public class EditMenu extends PopupPanel implements ClickHandler {\r
  45 \r
  46         /**\r
  47          * The widget's images.\r
  48          */\r
  49         private final Images images;\r
  50 \r
  51         private final MenuBar contextMenu  = new MenuBar(true);\r
  52 \r
  53         /**\r
  54          * An image bundle for this widget's images.\r
  55          */\r
  56         public interface Images extends ClientBundle, FileMenu.Images, MessagePanel.Images {\r
  57 \r
  58                 /**\r
  59                  * Will bundle the file 'editcut.png' residing in the package\r
  60                  * 'gr.ebs.gss.resources'.\r
  61                  *\r
  62                  * @return the image prototype\r
  63                  */\r
  64                 @Source("gr/ebs/gss/resources/editcut.png")\r
  65                 ImageResource cut();\r
  66 \r
  67                 /**\r
  68                  * Will bundle the file 'editcopy.png' residing in the package\r
  69                  * 'gr.ebs.gss.resources'.\r
  70                  *\r
  71                  * @return the image prototype\r
  72                  */\r
  73                 @Source("gr/ebs/gss/resources/editcopy.png")\r
  74                 ImageResource copy();\r
  75 \r
  76                 /**\r
  77                  * Will bundle the file 'editpaste.png' residing in the package\r
  78                  * 'gr.ebs.gss.resources'.\r
  79                  *\r
  80                  * @return the image prototype\r
  81                  */\r
  82                 @Source("gr/ebs/gss/resources/editpaste.png")\r
  83                 ImageResource paste();\r
  84 \r
  85                 /**\r
  86                  * Will bundle the file 'editdelete.png' residing in the package\r
  87                  * 'gr.ebs.gss.resources'.\r
  88                  *\r
  89                  * @return the image prototype\r
  90                  */\r
  91                 @Source("gr/ebs/gss/resources/editdelete.png")\r
  92                 ImageResource delete();\r
  93 \r
  94                 /**\r
  95                  * Will bundle the file 'translate.png' residing in the package\r
  96                  * 'gr.ebs.gss.resources'.\r
  97                  *\r
  98                  * @return the image prototype\r
  99                  */\r
 100                 @Source("gr/ebs/gss/resources/translate.png")\r
 101                 ImageResource selectAll();\r
 102 \r
 103                 /**\r
 104                  * Will bundle the file 'border_remove.png' residing in the package\r
 105                  * 'gr.ebs.gss.resources'.\r
 106                  *\r
 107                  * @return the image prototype\r
 108                  */\r
 109                 @Source("gr/ebs/gss/resources/border_remove.png")\r
 110                 ImageResource unselectAll();\r
 111         }\r
 112 \r
 113         /**\r
 114          * The widget's constructor.\r
 115          *\r
 116          * @param newImages the image bundle passed on by the parent object\r
 117          */\r
 118         public EditMenu(final Images newImages) {\r
 119                 // The popup's constructor's argument is a boolean specifying that it\r
 120                 // auto-close itself when the user clicks outside of it.\r
 121                 super(true);\r
 122                 setAnimationEnabled(true);\r
 123                 images = newImages;\r
 124                 createMenu();\r
 125                 add(contextMenu);\r
 126         }\r
 127 \r
 128         @Override\r
 129         public void onClick(ClickEvent event) {\r
 130                 final EditMenu menu = new EditMenu(images);\r
 131                 final int left = event.getRelativeElement().getAbsoluteLeft();\r
 132                 final int top = event.getRelativeElement().getAbsoluteTop() + event.getRelativeElement().getOffsetHeight();\r
 133                 menu.setPopupPosition(left, top);\r
 134                 menu.show();\r
 135         }\r
 136 \r
 137         public MenuBar createMenu() {\r
 138                 contextMenu.clearItems();\r
 139                 contextMenu.setAutoOpen(false);\r
 140 \r
 141                 final Command selectAllCommand = new Command() {\r
 142 \r
 143                         public void execute() {\r
 144                                 hide();\r
 145                                 if(GSS.get().isFileListShowing())\r
 146                                         GSS.get().getFileList().selectAllRows();\r
 147                                 else if(GSS.get().isSearchResultsShowing())\r
 148                                         GSS.get().getSearchResults().selectAllRows();\r
 149                         }\r
 150                 };\r
 151                 final Command unselectAllCommand = new Command() {\r
 152 \r
 153                         public void execute() {\r
 154                                 hide();\r
 155                                 if(GSS.get().isFileListShowing())\r
 156                                         GSS.get().getFileList().clearSelectedRows();\r
 157                                 else if(GSS.get().isSearchResultsShowing())\r
 158                                         GSS.get().getSearchResults().clearSelectedRows();\r
 159                         }\r
 160                 };\r
 161 \r
 162                 boolean cutcopyVisible = GSS.get().getCurrentSelection() != null && (GSS.get().getCurrentSelection() instanceof FolderResource\r
 163                                         || GSS.get().getCurrentSelection() instanceof FileResource || GSS       .get().getCurrentSelection() instanceof GroupUserResource || GSS        .get().getCurrentSelection() instanceof List);\r
 164                 String cutLabel = "Cut";\r
 165                 String copyLabel ="Copy";\r
 166                 String pasteLabel = "Paste";\r
 167                 if(GSS.get().getCurrentSelection() != null)\r
 168                         if(GSS.get().getCurrentSelection() instanceof FolderResource){\r
 169                                 cutLabel = "Cut Folder";\r
 170                                 copyLabel = "Copy Folder";\r
 171                         }\r
 172                         else if(GSS.get().getCurrentSelection() instanceof FileResource){\r
 173                                 cutLabel = "Cut File";\r
 174                                 copyLabel = "Copy File";\r
 175                         }\r
 176                         else if(GSS.get().getCurrentSelection() instanceof List){\r
 177                                 cutLabel = "Cut Files";\r
 178                                 copyLabel = "Copy Files";\r
 179                         }\r
 180                 if(GSS.get().getClipboard().getItem() != null)\r
 181                         if(GSS.get().getClipboard().getItem().getFile() != null)\r
 182                                 pasteLabel = "Paste File";\r
 183                         else if(GSS.get().getClipboard().getItem().getFiles() != null)\r
 184                                 pasteLabel = "Paste Files";\r
 185                         else if(GSS.get().getClipboard().getItem().getFolderResource() != null)\r
 186                                 pasteLabel = "Paste Folder";\r
 187                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.cut()).getHTML() + "&nbsp;"+cutLabel+"</span>", true, new CutCommand(this)).setVisible(cutcopyVisible);\r
 188                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.copy()).getHTML() + "&nbsp;"+copyLabel+"</span>", true, new CopyCommand(this)).setVisible(cutcopyVisible);\r
 189                 if (GSS.get().getClipboard().getItem() != null)\r
 190                         if(GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() == null)\r
 191                                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.paste()).getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(this));\r
 192                         else if(!GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() != null){\r
 193                                 //do not show paste\r
 194                         }\r
 195                         else if (GSS.get().getFolders().getCurrent().getUserObject() instanceof FolderResource)\r
 196                                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.paste()).getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(this));\r
 197                 contextMenu     .addItem("<span>" + AbstractImagePrototype.create(images.emptyTrash()).getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(this))\r
 198                                         .setVisible(cutcopyVisible);\r
 199                 contextMenu     .addItem("<span>" + AbstractImagePrototype.create(images.delete()).getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, images))\r
 200                                         .setVisible(cutcopyVisible);\r
 201                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.selectAll()).getHTML() + "&nbsp;Select All</span>", true, selectAllCommand);\r
 202                 contextMenu.addItem("<span>" + AbstractImagePrototype.create(images.unselectAll()).getHTML() + "&nbsp;Unselect All</span>", true, unselectAllCommand);\r
 203                 return contextMenu;\r
 204         }\r
 205 \r
 206 \r
 207 \r
 208 }\r