MeeGo 1.2 Harmattan Developer Documentation Develop for the Nokia N9

Dialog.qml Example File

declarative-sfw-notes/content-sfw-notes/Dialog.qml
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 import Qt 4.7

 Rectangle {
     property string text: ""
     property bool cancelable: true
     signal confirmed();

     id: page
     opacity: 0
     border.width: mainWindow.screenScale
     color: "lightgray"; radius: 5

     width: parent.width - (parent.width * 1/11);
     height: dialogText.height + okButton.height + 35
     anchors.verticalCenter: mainWindow.verticalCenter
     anchors.horizontalCenter: mainWindow.horizontalCenter

     Text {
         id: dialogText
         text: page.text
         font.pointSize: 10 * mainWindow.screenScale
         wrapMode: Text.Wrap
         x: 15; y: 15
         width: parent.width - 20;
         color: "black"
         anchors.horizontalCenter: page.horizontalCenter
         horizontalAlignment: Text.AlignHCenter
     }

     Button {
         id: okButton
         text: "Ok"
         width: 75 * mainWindow.screenScale
         height: 25 * mainWindow.screenScale
         anchors.top: dialogText.bottom; anchors.topMargin: 7

         onClicked: {
             page.confirmed();
             forceClose();
         }
     }

     Button {
         id: noButton
         text: "Cancel"
         width: 75 * mainWindow.screenScale
         height: 25 * mainWindow.screenScale
         anchors.left: page.horizontalCenter; anchors.leftMargin: 5
         anchors.top: dialogText.bottom; anchors.topMargin: 7

         onClicked: {
             forceClose();
         }
     }

     function forceClose()
     {
         page.opacity = 0;
         mainWindow.enableScreen(true);
     }

     Component.onCompleted: {
         if (cancelable == false) {
             noButton.opacity = 0;
             okButton.anchors.horizontalCenter = page.horizontalCenter;
         } else {
             okButton.anchors.right = page.horizontalCenter;
             okButton.anchors.rightMargin = 5;
         }
     }
 }