Qt with Cascades UI Examples Documentation

MainView.qml Example File

securesocketclient/assets/MainView.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
     **     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."
     **
     ****************************************************************************/

    import bb.cascades 1.0

    // Container grouping all visual nodes for the main view
    Container {
        leftPadding: 30
        topPadding: 30
        rightPadding: 30

        // TextStyleDefinition to be used in different AbstractTextControl's to achieve same text look.
        attachedObjects: [
            TextStyleDefinition {
                id: labelTsd
                base: SystemDefaults.TextStyles.SmallText
                color: Color.White
            }
        ]

        // A Container to group the url and its corresponding TextField
        Container {
            horizontalAlignment: HorizontalAlignment.Fill
            topMargin: 10
            bottomMargin: 10

            layout: StackLayout {
                orientation: LayoutOrientation.LeftToRight
            }

            // A standard TextField
            TextField {
                verticalAlignment: VerticalAlignment.Center
                leftMargin: 10
                rightMargin: 5

                layoutProperties: StackLayoutProperties {
                    spaceQuota: 1
                }

                hintText: qsTr ("Enter host name")
                text: "www.blackberry.com"

                inputMode: TextFieldInputMode.Url

                // Save url on input
                onTextChanging: _sslClient.hostName = text
            }

            // A standard ImageView
            ImageView {
                verticalAlignment: VerticalAlignment.Center
                preferredWidth: 32
                preferredHeight: 32

                layoutProperties: StackLayoutProperties {
                    spaceQuota: -1
                }

                // Visibility control
                visible: _sslClient.sessionActive

                imageSource: "asset:///images/encrypted.png"

                // Display certificate info view on touch
                onTouch: _certificateInfoControl.visible = true
            }
        }

        // A standard TextField
        TextField {
            hintText: qsTr ("Enter port number")
            text: "443"

            // Save port on input
            onTextChanging: _sslClient.port = text
        }

        // A standard Button
        Button {
            horizontalAlignment: HorizontalAlignment.Fill
            topMargin: 30
            bottomMargin: 10
            maxHeight: 100

            text: qsTr ("Connect to host")

            // Connect to url on click
            onClicked: _sslClient.secureConnect ()
        }

        // Groups the nodes for displaying connection details and connection communication controls.
        Container {
            horizontalAlignment: HorizontalAlignment.Fill
            verticalAlignment: VerticalAlignment.Fill
            leftMargin: 20
            topMargin: 20

            layoutProperties: StackLayoutProperties {
                spaceQuota: 1
            }

            // A standard Label
            Label {
                horizontalAlignment: HorizontalAlignment.Fill

                text: qsTr ("Active session")
                textStyle {
                    base: labelTsd.style
                    textAlign: TextAlign.Center
                }
            }

            // A standard Label
            Label {
                text: qsTr ("Cryptographic Cipher:")
                minWidth: 280
                textStyle {
                    base: SystemDefaults.TextStyles.SmallText
                }
            }

            // A standard Label
            Label {
                horizontalAlignment: HorizontalAlignment.Center

                // Displays cipher information upon successful connection
                text: _sslClient.cipher
                textStyle {
                    base: SystemDefaults.TextStyles.SmallText
                    textAlign: TextAlign.Center
                    color: Color.Red
                }
            }

            // A standard TextArea
            TextArea {
                horizontalAlignment: HorizontalAlignment.Fill
                verticalAlignment: VerticalAlignment.Fill

                layoutProperties: StackLayoutProperties {
                    spaceQuota: 7
                }

                // Displays connection response after sending data
                text: _sslClient.response
                textStyle {
                    base: SystemDefaults.TextStyles.BodyText
                    color: Color.Green
                }
                hintText: ""
                editable: false
            }

            // Groups the input and Button for data sending
            Container {
                horizontalAlignment: HorizontalAlignment.Fill
                topMargin: 10
                bottomMargin: 10

                layoutProperties: StackLayoutProperties {
                    spaceQuota: 2
                }

                layout: StackLayout {
                    orientation: LayoutOrientation.LeftToRight
                }

                // Enable these controls only when connection has been established
                enabled: _sslClient.sessionActive

                // A standard Label
                Label {
                    verticalAlignment: VerticalAlignment.Center

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: -1
                    }

                    text: qsTr ("Input:")
                    textStyle {
                        base: SystemDefaults.TextStyles.SmallText
                        color: Color.White
                    }
                }

                // A standard TextField
                TextField {
                    id: inputField

                    text: "GET / HTTP/1.0"

                    verticalAlignment: VerticalAlignment.Center
                    leftMargin: 10

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: 1
                    }
                }

                // A standard Button
                Button {
                    verticalAlignment: VerticalAlignment.Center
                    leftMargin: 10
                    preferredWidth: 250

                    layoutProperties: StackLayoutProperties {
                        spaceQuota: -1
                    }

                    text: qsTr ("Send")

                    // Send input data on click
                    onClicked: {
                        _sslClient.sendData (inputField.text)
                        inputField.text = ""
                    }
                }
            }
        }
    }