Qt with Cascades UI Examples Documentation

main.qml Example File

rsslisting/assets/main.qml
    /****************************************************************************
     **
     ** Portions Copyright (C) 2012 Research In Motion Limited.
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Research In Motion Ltd. (http://www.rim.com/company/contact/)
     ** Contact: Nokia Corporation (qt-info@nokia.com)
     **
     ** This file is part of the examples of the BB10 Platform and is derived
     ** from a similar file that is part of the Qt Toolkit.
     **
     ** 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 Research In Motion, nor 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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     ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    import bb.cascades 1.0

    // Page that displays news items from RDF news sources
    Page {
        Container {
            layout: DockLayout {}

            ImageView {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                imageSource: "asset:///images/background.png"
            }

            Container {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                topPadding: 140

                // A standard TextArea for displaying items
                TextArea {
                    editable: false

                    text: _rssListing.feeds
                    textStyle {
                        base: SystemDefaults.TextStyles.SmallText
                        color: Color.Black
                    }
                }
            }

            ImageView {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Top

                imageSource: "asset:///images/overlay.png"
            }

            // Container to create the application header with a certain Color
            Container {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Top

                leftPadding: 20
                rightPadding: 20
                topPadding: 20
                bottomPadding: 20

                layout: StackLayout {
                    orientation: LayoutOrientation.LeftToRight
                }

                // A standard TextField for the RSS url
                TextField {
                    verticalAlignment: VerticalAlignment.Center

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: 1
                    }

                    enabled: ! _rssListing.active

                    text: _rssListing.url

                    // Save url on input
                    onTextChanging: _rssListing.url = text
                }

                // A standard Button
                Button {
                    verticalAlignment: VerticalAlignment.Center
                    leftMargin: 10

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: -1
                    }

                    enabled: ! _rssListing.active

                    text: qsTr ("Fetch")

                    // Fetch news items on click
                    onClicked: _rssListing.fetch ()
                }
            }
        }
    }