plasma-framework/declarativeimports/plasmacomponents/platformcomponents/touch/Dialog.qml

/****************************************************************************
**
** Copyright (C) 2011 Marco Martin  <mart@kde.org>
**
** 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 Qt Components project.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
** met:
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**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
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import QtQuick 1.0
import org.kde.plasma.core 0.1 as PlasmaCore
import "AppManager.js" as Utils
import "." 0.1

Item {
    id: root

    property alias title: titleBar.children
    property alias content: contentItem.children
    property alias buttons: buttonItem.children
//    property alias visualParent: dialog.visualParent
    property int status: DialogStatus.Closed


    property alias privateTitleHeight: titleBar.height
    property alias privateButtonsHeight: buttonItem.height

    signal accepted
    signal rejected
    signal clickedOutside

    function open()
    {
        dialog.state = ""
    }

    function accept()
    {
        if (status == DialogStatus.Open) {
            status = DialogStatus.Closing
            accepted()
            dialog.state = "closed"
        }
    }

    function reject()
    {
        if (status == DialogStatus.Open) {
            status = DialogStatus.Closing
            dialog.state = "closed"
            rejected()
        }
    }

    function close()
    {
        dialog.state = "closed"
    }

    Rectangle {
        id: fader
        property double alpha: 0
        color: Qt.rgba(0.0, 0.0, 0.0, alpha)
        anchors.fill: parent
    }
    MouseArea {
        anchors.fill: parent
        onClicked: {
            clickedOutside()
            close()
        }
    }

    PlasmaCore.FrameSvgItem {
        id: dialog
        width: mainItem.width + margins.left + margins.right
        height: mainItem.height + margins.top + margins.bottom
        anchors.centerIn: parent
        imagePath: "dialogs/background"

        state: "closed"

        transform: Translate {
            id: dialogTransform
            y: root.height - dialog.y
        }
        //state: "Hidden"

        Item {
            id: mainItem
            x: dialog.margins.left
            y: dialog.margins.top
            width: theme.defaultFont.mSize.width * 40
            height: titleBar.childrenRect.height + contentItem.childrenRect.height + buttonItem.childrenRect.height + 8


            // Consume all key events that are not processed by children
            Keys.onPressed: event.accepted = true
            Keys.onReleased: event.accepted = true

            Item {
                id: titleBar

                height: childrenRect.height
                anchors {
                    top: parent.top
                    left: parent.left
                    right: parent.right
                }
            }

            Item {
                id: contentItem

                clip: true
                onChildrenRectChanged: mainItem.width = Math.max(childrenRect.width, buttonItem.childrenRect.width)
                anchors {
                    top: titleBar.bottom
                    left: parent.left
                    right: parent.right
                    bottom: buttonItem.top
                }
            }

            Item {
                id: buttonItem

                height: childrenRect.height
                anchors {
                    left: parent.left
                    right: parent.right
                    bottom: parent.bottom
                    bottomMargin: 8
                }
            }
        }

        Component.onCompleted: {
            rootItem = Utils.rootObject()
        }

        states: [
            State {
                name: "closed"
                PropertyChanges {
                    target: dialogTransform
                    y: root.height - dialog.y
                }
                PropertyChanges {
                    target: fader
                    alpha: 0
                }
            },
            State {
                name: ""
                PropertyChanges {
                    target: dialogTransform
                    y: 0
                }
                PropertyChanges {
                    target: fader
                    alpha: 0.6
                }
            }
        ]

        transitions: [
            // Transition between open and closed states.
            Transition {
                from: ""
                to: "closed"
                reversible: false
                SequentialAnimation {
                    ScriptAction {
                        script: root.status = DialogStatus.Closing
                    }
                    PropertyAnimation {
                        properties: "y, alpha"
                        easing.type: Easing.InOutQuad
                        duration: 250
                    }
                    ScriptAction {
                        script: root.status = DialogStatus.Closed
                    }
                }
            },
            Transition {
                from: "closed"
                to: ""
                reversible: false
                SequentialAnimation {
                    ScriptAction {
                        script: root.status = DialogStatus.Opening
                    }
                    PropertyAnimation {
                        properties: "y, alpha"
                        easing.type: Easing.InOutQuad
                        duration: 250
                    }
                    ScriptAction {
                        script: root.status = DialogStatus.Open
                    }
                }
            }
        ]
    }
}