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

   1 /*\r
   2  * Copyright 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 com.google.gwt.user.client.Command;\r
  22 import com.google.gwt.user.client.ui.AbstractImagePrototype;\r
  23 import com.google.gwt.user.client.ui.ClickListener;\r
  24 import com.google.gwt.user.client.ui.MenuBar;\r
  25 import com.google.gwt.user.client.ui.PopupPanel;\r
  26 import com.google.gwt.user.client.ui.Widget;\r
  27 import com.google.gwt.user.client.ui.ImageBundle.Resource;\r
  28 \r
  29 /**\r
  30  * The 'Help' menu implementation.\r
  31  */\r
  32 public class HelpMenu extends PopupPanel implements ClickListener {\r
  33 \r
  34         /**\r
  35          * The widget's images.\r
  36          */\r
  37         private final Images images;\r
  38 \r
  39         private MenuBar contextMenu  = new MenuBar(true);\r
  40 \r
  41         /**\r
  42          * An image bundle for this widget's images.\r
  43          */\r
  44         public interface Images {\r
  45                 @Resource("gr/ebs/gss/resources/khelpcenter.png")\r
  46                 AbstractImagePrototype userGuide();\r
  47 \r
  48                 @Resource("gr/ebs/gss/resources/linewidth.png")\r
  49                 AbstractImagePrototype terms();\r
  50 \r
  51                 @Resource("gr/ebs/gss/resources/bell.png")\r
  52                 AbstractImagePrototype reportAbuse();\r
  53 \r
  54                 @Resource("gr/ebs/gss/resources/info.png")\r
  55                 AbstractImagePrototype about();\r
  56         }\r
  57 \r
  58         /**\r
  59          * The widget's constructor.\r
  60          *\r
  61          * @param newImages the image bundle passed on by the parent object\r
  62          */\r
  63         public HelpMenu(final Images newImages) {\r
  64                 // The popup's constructor's argument is a boolean specifying that it\r
  65                 // auto-close itself when the user clicks outside of it.\r
  66                 super(true);\r
  67                 setAnimationEnabled(true);\r
  68                 images = newImages;\r
  69                 createMenu();\r
  70                 add(contextMenu);\r
  71         }\r
  72 \r
  73         public void onClick(Widget sender) {\r
  74                 HelpMenu menu = new HelpMenu(images);\r
  75                 int left = sender.getAbsoluteLeft();\r
  76                 int top = sender.getAbsoluteTop() + sender.getOffsetHeight();\r
  77                 menu.setPopupPosition(left, top);\r
  78                 menu.show();\r
  79         }\r
  80 \r
  81         public MenuBar createMenu() {\r
  82                 contextMenu.clearItems();\r
  83                 contextMenu.setAutoOpen(false);\r
  84                 Command hideCommand = new Command() {\r
  85                         public void execute() {\r
  86                                 hide();\r
  87                         }\r
  88                 };\r
  89                 Command aboutCommand = new Command(){\r
  90                         public void execute() {\r
  91                                 AboutDialog dlg = new AboutDialog();\r
  92                                 dlg.center();\r
  93                         }\r
  94                 };\r
  95                 contextMenu.addItem("<span>" + images.userGuide().getHTML() + "&nbsp;<a class='hidden-link' " +\r
  96                                         "href='/userguide/el' target='_blank'>User Guide</a></span>", true, hideCommand);\r
  97                 contextMenu.addItem("<span>" + images.terms().getHTML() + "&nbsp;<a class='hidden-link' " +\r
  98                                         "href='/terms' target='_blank'>Terms &amp; Conditions</a></span>", true, hideCommand);\r
  99                 contextMenu.addItem("<span>" + images.reportAbuse().getHTML() + "&nbsp;<a class='hidden-link' " +\r
 100                                 "href='/report-abuse' target='_blank'>Report abuse</a></span>", true, hideCommand);\r
 101                 contextMenu.addItem("<span>" + images.about().getHTML() + "&nbsp;About</span>", true, aboutCommand);\r
 102                 return contextMenu;\r
 103         }\r
 104 \r
 105 }\r