code.grnet.gr Git - pithos/blob - gss/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.user.client.Command;\r
  33 import com.google.gwt.user.client.ui.AbstractImagePrototype;\r
  34 import com.google.gwt.user.client.ui.ClickListener;\r
  35 import com.google.gwt.user.client.ui.MenuBar;\r
  36 import com.google.gwt.user.client.ui.PopupPanel;\r
  37 import com.google.gwt.user.client.ui.Widget;\r
  38 \r
  39 /**\r
  40  * The 'Edit' menu implementation.\r
  41  */\r
  42 public class EditMenu extends PopupPanel implements ClickListener {\r
  43 \r
  44         /**\r
  45          * The widget's images.\r
  46          */\r
  47         private final Images images;\r
  48 \r
  49         private final MenuBar contextMenu  = new MenuBar(true);\r
  50 \r
  51         /**\r
  52          * An image bundle for this widget's images.\r
  53          */\r
  54         public interface Images extends FileMenu.Images, MessagePanel.Images {\r
  55 \r
  56                 /**\r
  57                  * Will bundle the file 'editcut.png' residing in the package\r
  58                  * 'gr.ebs.gss.resources'.\r
  59                  *\r
  60                  * @return the image prototype\r
  61                  */\r
  62                 @Resource("gr/ebs/gss/resources/editcut.png")\r
  63                 AbstractImagePrototype cut();\r
  64 \r
  65                 /**\r
  66                  * Will bundle the file 'editcopy.png' residing in the package\r
  67                  * 'gr.ebs.gss.resources'.\r
  68                  *\r
  69                  * @return the image prototype\r
  70                  */\r
  71                 @Resource("gr/ebs/gss/resources/editcopy.png")\r
  72                 AbstractImagePrototype copy();\r
  73 \r
  74                 /**\r
  75                  * Will bundle the file 'editpaste.png' residing in the package\r
  76                  * 'gr.ebs.gss.resources'.\r
  77                  *\r
  78                  * @return the image prototype\r
  79                  */\r
  80                 @Resource("gr/ebs/gss/resources/editpaste.png")\r
  81                 AbstractImagePrototype paste();\r
  82 \r
  83                 /**\r
  84                  * Will bundle the file 'editdelete.png' residing in the package\r
  85                  * 'gr.ebs.gss.resources'.\r
  86                  *\r
  87                  * @return the image prototype\r
  88                  */\r
  89                 @Resource("gr/ebs/gss/resources/editdelete.png")\r
  90                 AbstractImagePrototype delete();\r
  91 \r
  92                 /**\r
  93                  * Will bundle the file 'translate.png' residing in the package\r
  94                  * 'gr.ebs.gss.resources'.\r
  95                  *\r
  96                  * @return the image prototype\r
  97                  */\r
  98                 @Resource("gr/ebs/gss/resources/translate.png")\r
  99                 AbstractImagePrototype selectAll();\r
 100 \r
 101                 /**\r
 102                  * Will bundle the file 'border_remove.png' residing in the package\r
 103                  * 'gr.ebs.gss.resources'.\r
 104                  *\r
 105                  * @return the image prototype\r
 106                  */\r
 107                 @Resource("gr/ebs/gss/resources/border_remove.png")\r
 108                 AbstractImagePrototype unselectAll();\r
 109         }\r
 110 \r
 111         /**\r
 112          * The widget's constructor.\r
 113          *\r
 114          * @param newImages the image bundle passed on by the parent object\r
 115          */\r
 116         public EditMenu(final Images newImages) {\r
 117                 // The popup's constructor's argument is a boolean specifying that it\r
 118                 // auto-close itself when the user clicks outside of it.\r
 119                 super(true);\r
 120                 setAnimationEnabled(true);\r
 121                 images = newImages;\r
 122                 createMenu();\r
 123                 add(contextMenu);\r
 124         }\r
 125 \r
 126         /*\r
 127          * (non-Javadoc)\r
 128          *\r
 129          * @see com.google.gwt.user.client.ui.ClickListener#onClick(com.google.gwt.user.client.ui.Widget)\r
 130          */\r
 131         public void onClick(final Widget sender) {\r
 132                 final EditMenu menu = new EditMenu(images);\r
 133                 final int left = sender.getAbsoluteLeft();\r
 134                 final int top = sender.getAbsoluteTop() + sender.getOffsetHeight();\r
 135                 menu.setPopupPosition(left, top);\r
 136 \r
 137                 menu.show();\r
 138         }\r
 139 \r
 140         public MenuBar createMenu() {\r
 141                 contextMenu.clearItems();\r
 142                 contextMenu.setAutoOpen(false);\r
 143 \r
 144                 final Command selectAllCommand = new Command() {\r
 145 \r
 146                         public void execute() {\r
 147                                 hide();\r
 148                                 if(GSS.get().isFileListShowing())\r
 149                                         GSS.get().getFileList().selectAllRows();\r
 150                                 else if(GSS.get().isSearchResultsShowing())\r
 151                                         GSS.get().getSearchResults().selectAllRows();\r
 152                         }\r
 153                 };\r
 154                 final Command unselectAllCommand = new Command() {\r
 155 \r
 156                         public void execute() {\r
 157                                 hide();\r
 158                                 if(GSS.get().isFileListShowing())\r
 159                                         GSS.get().getFileList().clearSelectedRows();\r
 160                                 else if(GSS.get().isSearchResultsShowing())\r
 161                                         GSS.get().getSearchResults().clearSelectedRows();\r
 162                         }\r
 163                 };\r
 164 \r
 165                 boolean cutcopyVisible = GSS.get().getCurrentSelection() != null && (GSS.get().getCurrentSelection() instanceof FolderResource\r
 166                                         || GSS.get().getCurrentSelection() instanceof FileResource || GSS       .get().getCurrentSelection() instanceof GroupUserResource || GSS        .get().getCurrentSelection() instanceof List);\r
 167                 String cutLabel = "Cut";\r
 168                 String copyLabel ="Copy";\r
 169                 String pasteLabel = "Paste";\r
 170                 if(GSS.get().getCurrentSelection() != null)\r
 171                         if(GSS.get().getCurrentSelection() instanceof FolderResource){\r
 172                                 cutLabel = "Cut Folder";\r
 173                                 copyLabel = "Copy Folder";\r
 174                         }\r
 175                         else if(GSS.get().getCurrentSelection() instanceof FileResource){\r
 176                                 cutLabel = "Cut File";\r
 177                                 copyLabel = "Copy File";\r
 178                         }\r
 179                         else if(GSS.get().getCurrentSelection() instanceof List){\r
 180                                 cutLabel = "Cut Files";\r
 181                                 copyLabel = "Copy Files";\r
 182                         }\r
 183                 if(GSS.get().getClipboard().getItem() != null)\r
 184                         if(GSS.get().getClipboard().getItem().getFile() != null)\r
 185                                 pasteLabel = "Paste File";\r
 186                         else if(GSS.get().getClipboard().getItem().getFiles() != null)\r
 187                                 pasteLabel = "Paste Files";\r
 188                         else if(GSS.get().getClipboard().getItem().getFolderResource() != null)\r
 189                                 pasteLabel = "Paste Folder";\r
 190                 contextMenu.addItem("<span>" + images.cut().getHTML() + "&nbsp;"+cutLabel+"</span>", true, new CutCommand(this)).setVisible(cutcopyVisible);\r
 191                 contextMenu.addItem("<span>" + images.copy().getHTML() + "&nbsp;"+copyLabel+"</span>", true, new CopyCommand(this)).setVisible(cutcopyVisible);\r
 192                 if (GSS.get().getClipboard().getItem() != null)\r
 193                         if(GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() == null)\r
 194                                 contextMenu.addItem("<span>" + images.paste().getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(this));\r
 195                         else if(!GSS.get().isUserListVisible() && GSS.get().getClipboard().getItem().getUser() != null){\r
 196                                 //do not show paste\r
 197                         }\r
 198                         else\r
 199                                 contextMenu.addItem("<span>" + images.paste().getHTML() + "&nbsp;"+pasteLabel+"</span>", true, new PasteCommand(this));\r
 200                 contextMenu     .addItem("<span>" + images.emptyTrash().getHTML() + "&nbsp;Move to Trash</span>", true, new ToTrashCommand(this))\r
 201                                         .setVisible(cutcopyVisible);\r
 202                 contextMenu     .addItem("<span>" + images.delete().getHTML() + "&nbsp;Delete</span>", true, new DeleteCommand(this, images))\r
 203                                         .setVisible(cutcopyVisible);\r
 204                 contextMenu.addItem("<span>" + images.selectAll().getHTML() + "&nbsp;Select All</span>", true, selectAllCommand);\r
 205                 contextMenu.addItem("<span>" + images.unselectAll().getHTML() + "&nbsp;Unselect All</span>", true, unselectAllCommand);\r
 206                 return contextMenu;\r
 207         }\r
 208 \r
 209 }\r