plasma-framework/declarativeimports/plasmacomponents/qml/SelectionDialog.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)
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** This file is part of the Qt Components project.
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** $QT_BEGIN_LICENSE:BSD$
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**
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** met:
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**     notice, this list of conditions and the following disclaimer.
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**     the documentation and/or other materials provided with the
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**     products derived from this software without specific prior written
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import QtQuick 1.1

import "." 0.1

CommonDialog {
    id: root

    // Common API
    property alias model: listView.model
    property int selectedIndex: -1
    property Component delegate: defaultDelegate

    privateCloseIcon: true

    Component {
        id: defaultDelegate

        Label {
            //platformInverted: root.platformInverted
            text: modelData
            MouseArea {
                anchors.fill: parent
                onClicked: {
                    selectedIndex = index
                    root.accept()
                }
            }

            Keys.onPressed: {
                if (event.key == Qt.Key_Up || event.key == Qt.Key_Down)
                    scrollBar.flash()
            }
        }
    }

    content: Item {
        id: contentItem

        width: theme.defaultFont.mSize.width * 80
        height: theme.defaultFont.mSize.height * 12

        Item {
            // Clipping item with bottom margin added to align content with rounded background graphics
            id: clipItem
            anchors.fill: parent
            anchors.bottomMargin: 4
            clip: true
            ListView {
                id: listView

                currentIndex : -1
                width: contentItem.width
                height: contentItem.height
                delegate: root.delegate
                clip: true

                Keys.onPressed: {
                    if (event.key == Qt.Key_Up || event.key == Qt.Key_Down
                        || event.key == Qt.Key_Left || event.key == Qt.Key_Right
                        || event.key == Qt.Key_Select || event.key == Qt.Key_Enter
                        || event.key == Qt.Key_Return) {
                        listView.currentIndex = 0
                        event.accepted = true
                    }
                }
            }
        }
        ScrollBar {
            id: scrollBar
            flickableItem: listView
            visible: listView.contentHeight > contentItem.height
            //platformInverted: root.platformInverted
            anchors { top: clipItem.top; right: clipItem.right }
        }
    }

    onClickedOutside: {
        reject()
    }

    onStatusChanged: {
        if (status == DialogStatus.Opening) {
            if (listView.currentItem != null) {
                listView.currentItem.focus = false
            }
            listView.currentIndex = -1
            listView.positionViewAtIndex(0, ListView.Beginning)
        }
        else if (status == DialogStatus.Open) {
            listView.focus = true
        }
    }
}