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Menu.qml Example File

demos/mobile/quickhit/Menu.qml
 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtDeclarative module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 ****************************************************************************/

 import QtQuick 1.0
 import "Game.js" as GameScript

 Rectangle {
     id: menu

     Text {
         id: title
         smooth: true
         anchors.bottom: menu.top
         anchors.horizontalCenter: menu.horizontalCenter
         color: "red"
         font.pixelSize:  gameArea.width / 12
         font.bold: true
         horizontalAlignment: Text.AlignHCenter
     }

     border.color: "black"
     border.width: 2
     radius: 8
     smooth: true
     opacity: 0 // transparent by default

     color: "black"
 //    gradient: Gradient {
 //        GradientStop { position: 0.0; color: "white" }
 //        GradientStop { position: 1.0; color: "black" }
 //    }

     // Signals
     signal levelSelected(int levelIndex)
     signal resumeSelected()

     // Show level menu
     function showLevelMenu() {
         menuData.clear()
         title.text = "Select Your Level"
         var plugins = GameEngine.pluginList()
         for (var i = 0; i < plugins.length; i++) {
             menuData.append({"name": plugins[i],"type":"0"})
         }
         menuData.append({"name": "About","type":"4"})
         menuData.append({"name": "Exit","type":"1"})
         menu.opacity = 0.8
         listView.focus = true
     }

     function showPauseMenu() {
         menuData.clear()
         title.text = "Resume level?"
         menuData.append({"name": "Resume","type":"2"})
         menuData.append({"name": "End Game","type":"3"})
         menu.opacity = 0.8
         listView.focus = true
     }

     // Hide menu
     function hideMenu() {
         menu.opacity = 0
         listView.focus = false
     }

     function menuItemSelected(index, type) {
         switch (type) {
         case "0": {
                 // Level selection
                 menu.levelSelected(index)
                 break;
             }
         case "1": {
                 // Exit
                 Qt.quit()
                 break;
             }
         case "2": {
                 // Resume
                 menu.resumeSelected()
                 break;
             }
         case "3": {
                 // End Game
                 gameArea.endGame()
                 break;
             }
         case "4": {
                 // Show about
                 gameArea.messageBox.showInfoMessage()
                 break;
             }
         default: {
                 break;
             }
         }
     }

     ListModel {
         id: menuData
     }

     ListView {
         id: listView
         clip: true
         anchors.fill: parent
         keyNavigationWraps: true

         function doSelect() {
             menu.menuItemSelected(listView.currentIndex,menuData.get(listView.currentIndex).type)
         }

         model: menuData

         delegate: MenuItem {
             id: menuItem
             selectedItem: menuItem.ListView.isCurrentItem ? true : false
             onItemSelected: {
                 listView.currentIndex = model.index
                 listView.doSelect()
             }

         }
     }
 }
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