Qt 4.7: alerts.qml Example File (declarative/modelviews/webview/alerts.qml)

Qt Reference Documentation

# alerts.qml Example File

declarative/modelviews/webview/alerts.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 examples 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
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     import QtQuick 1.0
     import QtWebKit 1.0

     WebView {
         id: webView
         width: 200
         height: 150
         url: "alerts.html"

         onAlert: popup.show(message)

         Rectangle {
             id: popup

             color: "red"
             border.color: "black"; border.width: 2
             radius: 4

             y: parent.height // off "screen"
             anchors.horizontalCenter: parent.horizontalCenter
             width: label.width + 5
             height: label.height + 5

             opacity: 0

             function show(text) {
                 label.text = text
                 popup.state = "visible"
                 timer.start()
             }
             states: State {
                 name: "visible"
                 PropertyChanges { target: popup; opacity: 1 }
                 PropertyChanges { target: popup; y: (webView.height-popup.height)/2 }
             }

             transitions: [
                 Transition { from: ""; PropertyAnimation { properties: "opacity,y"; duration: 65 } },
                 Transition { from: "visible"; PropertyAnimation { properties: "opacity,y"; duration: 500 } }
             ]

             Timer {
                 id: timer
                 interval: 1000

                 onTriggered: popup.state = ""
             }

             Text {
                 id: label
                 anchors.centerIn: parent
                 width: webView.width  *0.75

                 color: "white"
                 font.pixelSize: 20
                 wrapMode: Text.WordWrap
                 horizontalAlignment: Text.AlignHCenter
                 smooth: true
             }
         }
     }