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Diffstat (limited to 'examples/location/places/items/MapComponent.qml')
| -rw-r--r-- | examples/location/places/items/MapComponent.qml | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/examples/location/places/items/MapComponent.qml b/examples/location/places/items/MapComponent.qml new file mode 100644 index 00000000..de4e04a7 --- /dev/null +++ b/examples/location/places/items/MapComponent.qml @@ -0,0 +1,214 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 QtQuick.Controls 1.4 +import QtPositioning 5.5 +import QtLocation 5.5 +import "../helper.js" as Helper + +Map { + id: map + property bool followme: false + property variant scaleLengths: [5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000] + + function calculateScale() + { + var coord1, coord2, dist, text, f + f = 0 + coord1 = map.toCoordinate(Qt.point(0,scale.y)) + coord2 = map.toCoordinate(Qt.point(0+scaleImage.sourceSize.width,scale.y)) + dist = Math.round(coord1.distanceTo(coord2)) + + if (dist === 0) { + // not visible + } else { + for (var i = 0; i < scaleLengths.length-1; i++) { + if (dist < (scaleLengths[i] + scaleLengths[i+1]) / 2 ) { + f = scaleLengths[i] / dist + dist = scaleLengths[i] + break; + } + } + if (f === 0) { + f = dist / scaleLengths[i] + dist = scaleLengths[i] + } + } + + text = Helper.formatDistance(dist) + scaleImage.width = (scaleImage.sourceSize.width * f) - 2 * scaleImageLeft.sourceSize.width + scaleText.text = text + } + + center { + // The Qt Company in Oslo + latitude: 59.9485 + longitude: 10.7686 + } + + gesture.flickDeceleration: 3000 + gesture.enabled: true + onCopyrightLinkActivated: Qt.openUrlExternally(link) + + onCenterChanged:{ + scaleTimer.restart() + if (map.followme) + if (map.center != positionSource.position.coordinate) map.followme = false + } + + onZoomLevelChanged:{ + scaleTimer.restart() + if (map.followme) map.center = positionSource.position.coordinate + } + + onWidthChanged:{ + scaleTimer.restart() + } + + onHeightChanged:{ + scaleTimer.restart() + } + + Keys.onPressed: { + if (event.key === Qt.Key_Plus) { + map.zoomLevel++ + } else if (event.key === Qt.Key_Minus) { + map.zoomLevel-- + } + } + + Timer { + id: scaleTimer + interval: 100 + running: false + repeat: false + onTriggered: { + map.calculateScale() + } + } + + Item { + id: scale + visible: scaleText.text != "0 m" + z: map.z + 3 + anchors.bottom: parent.bottom + anchors.right: parent.right + anchors.margins: 20 + height: scaleText.height * 2 + width: scaleImage.width + + Image { + id: scaleImageLeft + source: "../../resources/scale_end.png" + anchors.bottom: parent.bottom + anchors.right: scaleImage.left + } + Image { + id: scaleImage + source: "../../resources/scale.png" + anchors.bottom: parent.bottom + anchors.right: scaleImageRight.left + } + Image { + id: scaleImageRight + source: "../../resources/scale_end.png" + anchors.bottom: parent.bottom + anchors.right: parent.right + } + Label { + id: scaleText + color: "#004EAE" + anchors.centerIn: parent + text: "0 m" + } + Component.onCompleted: { + map.calculateScale(); + } + } + + MapQuickItem { + id: poiTheQtComapny + sourceItem: Rectangle { width: 14; height: 14; color: "#e41e25"; border.width: 2; border.color: "white"; smooth: true; radius: 7 } + coordinate { + latitude: 59.9485 + longitude: 10.7686 + } + opacity:1.0 + anchorPoint: Qt.point(sourceItem.width/2, sourceItem.height/2) + } + + MapQuickItem { + sourceItem: Text{ + text: "The Qt Company" + color:"#242424" + font.bold: true + styleColor: "#ECECEC" + style: Text.Outline + } + coordinate: poiTheQtComapny.coordinate + anchorPoint: Qt.point(-poiTheQtComapny.sourceItem.width * 0.5,poiTheQtComapny.sourceItem.height * 1.5) + } + + PositionSource{ + id: positionSource + active: followme + + onPositionChanged: { + map.center = positionSource.position.coordinate + } + } + + Slider { + id: zoomSlider; + z: map.z + 3 + minimumValue: map.minimumZoomLevel; + maximumValue: map.maximumZoomLevel; + anchors.margins: 10 + anchors.bottom: scale.top + anchors.top: parent.top + anchors.right: parent.right + orientation : Qt.Vertical + value: map.zoomLevel + onValueChanged: { + map.zoomLevel = value + } + } +} |