Main.qml Example File

declarative-sfw-notes/content-sfw-notes/Main.qml
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 ** Contact: Nokia Corporation (qt-info@nokia.com)
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 ** This file is part of the examples of the Qt Mobility Components.
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 import Qt 4.7
 // ![0]
 import QtMobility.serviceframework 1.1
 // ![0]

 Rectangle {
     id: mainWindow

     property int size: 0
     property int curr: 0
     property double screenScale: 1
     property string searchText: ""
     property bool validService: false
     property alias screenWidth: mainWindow.width
     property alias screenHeight: mainWindow.height
     property alias screenColor: mainWindow.color

     // ![1]
     property variant notesManager: 0
     // ![1]

     SystemPalette { id: activePalette; colorGroup: SystemPalette.Active }

     Text {
         id: title
         text: "ToDoTool"
         font.pointSize: 24 * screenScale; font.family: "Nimbus Roman No9 L"; font.bold: true; font.italic:true
         color: "blue"
         y: 5;
         anchors.horizontalCenter: mainWindow.horizontalCenter
     }

     Button {
         id: addButton
         image: "icons/addIcon.png"
         width: mainWindow.width * 3/11
         height: mainWindow.height * 6/53
         anchors.right: deleteButton.left;
         anchors.top: title.bottom; anchors.topMargin: 10

         onClicked: {
             if (validService) {
                 addDialog.opacity = 1;
                 enableScreen(false);
             }
         }
     }

     Button {
         id: deleteButton
         image: "icons/deleteIcon.png"
         width: mainWindow.width * 3/11
         height: mainWindow.height * 6/53
         anchors.horizontalCenter: mainWindow.horizontalCenter
         anchors.top: title.bottom; anchors.topMargin: 10

         onClicked: {
             if (validService && size > 0) {
                 deleteDialog.opacity = 1;
                 enableScreen(false);
             }
         }
     }

     Button {
         id: searchButton
         image: "icons/searchIcon.png"
         width: mainWindow.width * 3/11
         height: mainWindow.height * 6/53
         anchors.left: deleteButton.right;
         anchors.top: title.bottom; anchors.topMargin: 10

         onClicked: {
             if (validService) {
                 searchDialog.opacity = 1;
                 enableScreen(false);
             }
         }
     }

     Button {
         id: nextButton
         image: "icons/nextIcon.png"
         width: mainWindow.width * 2/11;
         height: mainWindow.height * 6/53
         anchors.left: countLabel.right;
         anchors.top: deleteButton.bottom; anchors.topMargin: 10

         onClicked: {
             if (validService && curr < size) {
                 curr++;
                 refreshNotes();
             }
         }
     }

     Button {
         id: prevButton
         image: "icons/prevIcon.png"
         width: mainWindow.width * 2/11;
         height: mainWindow.height * 6/53
         anchors.right: countLabel.left;
         anchors.top: deleteButton.bottom; anchors.topMargin: 10

         onClicked: {
             if (validService && curr > 1) {
                 curr--;
                 refreshNotes();
             }
         }
     }

     Text {
         id: countLabel
         text: curr + "/" + size
         font.pointSize: 10 * screenScale
         color: activePalette.text
         width: mainWindow.width * 2/11;
         horizontalAlignment: Text.AlignHCenter
         anchors.horizontalCenter: mainWindow.horizontalCenter
         anchors.verticalCenter: prevButton.verticalCenter
     }

     Rectangle {
         id: datetimeArea
         width: mainWindow.width * 8/11
         height: mainWindow.height * 4/53
         color: "#FFFF7F"
         anchors.horizontalCenter: mainWindow.horizontalCenter
         anchors.top: prevButton.bottom; anchors.topMargin: 10
     }

     Rectangle {
         id: noteArea
         width: mainWindow.width * 8/11
         height: mainWindow.height * 22/53
         color: "#FFFF7F"
         anchors.horizontalCenter: mainWindow.horizontalCenter
         anchors.top: datetimeArea.bottom;
     }

     Text {
         id: datetimeLabel
         text: ""
         font.pointSize: 10 * screenScale
         anchors.right: datetimeArea.right
         anchors.top: datetimeArea.top
     }

     Text {
         id: noteLabel
         text: ""
         font.pointSize: 18 * screenScale; font.family: "Comic Sans MS"; font.italic:true
         horizontalAlignment: Text.AlignHCenter
         wrapMode: Text.Wrap
         width: noteArea.width
         anchors.verticalCenter: noteArea.verticalCenter
         anchors.horizontalCenter: title.horizontalCenter
     }

     InputDialog {
         id: interfaceDialog
         text: "Specify Notes Manager Interface"
         defaultText: "com.nokia.qt.examples.NotesManager"
         cancelable: false
         opacity: 1

         onConfirmed: {
             interfaceDialog.defaultText = input;

             // ![2]
             notesService.interfaceName = input;

             if (notesService.valid) {
                 notesManager = notesService.serviceObject;
                 notesManager.init();
             // ![2]
                 var list = notesManager.noteSet;
                 if (list.length > 0) {curr = 1;}

                 refreshNotes();
                 validService = true;
                 enableScreen(true);

             } else {
                 invalidDialog.opacity = 1;
                 noteLabel.text = "Notes Manager service not found";

                 addButton.color = "gray";
                 deleteButton.color = "gray";
                 searchButton.color = "gray";
                 nextButton.color = "gray";
                 prevButton.color = "gray";
             }
         }

         Component.onCompleted: { enableScreen(false); }
     }

     InputDialog {
         id: addDialog
         text: "Add a new note + alarm of format:\nnote#yyyy-mm-dd#hh:mm"

         onConfirmed: {
             var note = input.split("#");

             if (note.length == 3) {
                 var date = note[1].split("-");
                 var time = note[2].split(":");

                 if (date.length == 3 && time.length ==2) {
                     notesManager.addNote(note[0], note[1] + " " + note[2] + ":00");
                 }
             } else {
                     notesManager.addNote(note[0], currentDateTime() + ":00");
             }

             refreshNotes();
         }
     }

     InputDialog {
         id: searchDialog
         text: "Find a note:"
         size: 100

         onConfirmed: {
             searchText = input;
             curr = 1;
             refreshNotes()
         }
     }

     Dialog {
         id: deleteDialog
         text: "Confirm removing this note item?"

         onConfirmed: {
             // ![3]
             var list = notesManager.noteSet;
             notesManager.removeNote(list[curr-1].index);
             // ![3]

             if (curr > 1) { curr--; }

             refreshNotes();
         }
     }

     Dialog {
         id: alarmDialog
         text: "ALERT SOUNDED!!!"
         cancelable: false
     }

     Dialog {
         id: invalidDialog
         text: "No valid default interface for:\n\n\"" + interfaceDialog.defaultText + "\""
         cancelable: false
     }

     Dialog {
         id: unconnectedDialog
         text: "Unable to connect to notes manager database\n in current or home directory"
         cancelable: false
     }

     function refreshNotes()
     {
         // ![4]
         notesManager.setSearch(searchText);
         var list = notesManager.noteSet;
         size = list.length;

         // ![4]

         if (size < 1) curr = 0;
         else if (size > 0 && curr == 0) curr = 1;

         // ![5]
         if (size > 0) {
             noteLabel.text = list[curr-1].message;
             datetimeLabel.text = formatDateTime(list[curr-1].alarm);
         }
         // ![5]
         else {
             noteLabel.text = "Click + to add a new note";
             datetimeLabel.text = "";
         }
     }

     function formatDateTime(datetime)
     {
         var dt = new Date(datetime);

         var month = (dt.getMonth() + 1) + "";
         if (month.length == 1)  month = "0" + month;

         var date = dt.getDate() + "";
         if (date.length == 1)  date= "0" + date;

         var hour = dt.getHours() + "";
         if (hour.length == 1)  hour = "0" + hour;

         var mins = dt.getMinutes() + "";
         if (mins.length == 1)  mins = "0" + mins;

         return (dt.getFullYear() + "-" + month + "-" + date + " " + hour + ":" + mins);
     }

     function currentDateTime()
     {
         var dt = new Date();

         return formatDateTime(dt);
     }

     function enableScreen(enable)
     {
         addButton.enableButton = enable;
         deleteButton.enableButton = enable;
         searchButton.enableButton = enable;
         nextButton.enableButton = enable;
         prevButton.enableButton = enable;
     }

     // ![6]
     Service {
         id: notesService
         interfaceName: "com.nokia.qt.examples.NotesManager"

         Component.onCompleted: {
             notesManager = notesService.serviceObject;
         }
     }
     // ![6]

     // ![7]
     Connections {
         target: notesManager
         ignoreUnknownSignals: true

         onSoundAlarm: {
             alarmDialog.text = "ALERT SOUNDED!!!" + "\n\n" +
                                formatDateTime(alarm) + "\n\n" + notesManager.alarmMessage;
             alarmDialog.opacity = 1;
         }
     }
     // ![7]
 }