Marker.qml Example File

/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 2.5;
import QtLocation 5.6

MapQuickItem {
    id: marker
    property alias lastMouseX: markerMouseArea.lastX
    property alias lastMouseY: markerMouseArea.lastY

    anchorPoint.x: image.width/4
    anchorPoint.y: image.height

    sourceItem: Image {
        id: image
        source: "../resources/marker.png"
        opacity: markerMouseArea.pressed ? 0.6 : 1.0
        MouseArea  {
            id: markerMouseArea
            property int pressX : -1
            property int pressY : -1
            property int jitterThreshold : 10
            property int lastX: -1
            property int lastY: -1
            anchors.fill: parent
            hoverEnabled : false
            drag.target: marker
            preventStealing: true

            onPressed : {
                map.pressX = mouse.x
                map.pressY = mouse.y
                map.currentMarker = -1
                for (var i = 0; i< map.markers.length; i++){
                    if (marker == map.markers[i]){
                        map.currentMarker = i
                        break
                    }
                }
            }

            onPressAndHold:{
                if (Math.abs(map.pressX - mouse.x ) < map.jitterThreshold
                        && Math.abs(map.pressY - mouse.y ) < map.jitterThreshold) {
                    var p = map.fromCoordinate(marker.coordinate)
                    lastX = p.x
                    lastY = p.y
                    map.showMarkerMenu(marker.coordinate)
                }
            }
        }

        Text{
            id: number
            y: image.height/10
            width: image.width
            color: "white"
            font.bold: true
            font.pixelSize: 14
            horizontalAlignment: Text.AlignHCenter
            Component.onCompleted: {
                text = map.markerCounter
            }
        }

    }

    Component.onCompleted: coordinate = map.toCoordinate(Qt.point(markerMouseArea.mouseX,
                                                                  markerMouseArea.mouseY));
}