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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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// Marker.qml

import QtQuick 2.0

// The Image type as top level is convenient
// as the Marker component simply is a graphical
// UI with a clicked() signal.
Image {
    id: root

    // declaring the clicked() signal to
    // be used in the MarkerPanel
    signal clicked()

    // this property indicates whether this
    // marker item is the current active one
    property bool active: false

    // creating the two states representing the respective
    // set of property changes
    states: [
        // the hovered state is set when the user
        // has the mouse hovering the marker item.
        State {
            name: "hovered"
            // this condition makes this state active
            when: mouseArea.containsMouse && !root.active
            PropertyChanges { target: root; x: 5 }
        },

        State {
            name: "selected"
            when: root.active
            PropertyChanges { target: root; x: 20 }
        }
    ]

    // list of transitions that apply when the state changes
    transitions: [
        Transition {
            to: "hovered"
            NumberAnimation { target: root; property: "x"; duration: 300 }
        },

        Transition {
            to: "selected"
            NumberAnimation { target: root; property: "x"; duration: 300 }
        },

        Transition {
            to: ""
            NumberAnimation { target: root; property: "x"; duration: 300 }
        }
    ]

    // creating a MouseArea type
    // to intercept the mouse click
    MouseArea {
        id: mouseArea
        anchors.fill: parent

        hoverEnabled: true

        // emitting the clicked() signal Marker item
        onClicked: root.clicked()
    }
}