mirror of
https://github.com/subsurface/subsurface.git
synced 2024-11-28 05:00:20 +00:00
28cb75b73d
When clicking on a flag
1) The QML would call MapLocationModel::setSelected() with
fromClick = true
2) MapLocationModel::setSelected() would emit a signal
selectedLocationChanged()
3) MapWidgetHelper would catch that signal and do the actual
processing.
Other functions would call MapLocationModel::setSelected() with
fromClick = false, which would not emit the selectedLocationChanged()
signal.
Detangle this a bit by calling the selectedLocationChanged() function
directly from QML and remove the fromClick parameter.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
378 lines
11 KiB
QML
378 lines
11 KiB
QML
// SPDX-License-Identifier: GPL-2.0
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import QtQuick 2.5
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import QtLocation 5.3
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import QtPositioning 5.3
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import org.subsurfacedivelog.mobile 1.0
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Item {
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id: rootItem
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property alias mapHelper: mapHelper
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property alias map: map
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signal selectedDivesChanged(var list)
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MapWidgetHelper {
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id: mapHelper
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map: map
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editMode: false
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onSelectedDivesChanged: rootItem.selectedDivesChanged(list)
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onEditModeChanged: editMessage.isVisible = editMode === true ? 1 : 0
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onCoordinatesChanged: {}
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Component.onCompleted: {
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map.plugin = Qt.createQmlObject(pluginObject, rootItem)
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map.mapType = { "STREET": map.supportedMapTypes[0], "SATELLITE": map.supportedMapTypes[1] }
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map.activeMapType = map.mapType.SATELLITE
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}
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}
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Map {
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id: map
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anchors.fill: parent
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zoomLevel: defaultZoomIn
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property var mapType
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readonly property var defaultCenter: QtPositioning.coordinate(0, 0)
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readonly property real defaultZoomIn: 12.0
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readonly property real defaultZoomOut: 1.0
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readonly property real textVisibleZoom: 11.0
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readonly property real zoomStep: 2.0
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property var newCenter: defaultCenter
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property real newZoom: 1.0
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property real newZoomOut: 1.0
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property var clickCoord: QtPositioning.coordinate(0, 0)
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property bool isReady: false
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Component.onCompleted: isReady = true
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onZoomLevelChanged: {
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if (isReady)
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mapHelper.calculateSmallCircleRadius(map.center)
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}
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MapItemView {
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id: mapItemView
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model: mapHelper.model
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delegate: MapQuickItem {
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id: mapItem
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anchorPoint.x: 0
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anchorPoint.y: mapItemImage.height
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coordinate: model.coordinate
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z: mapHelper.model.isSelected(model.divesite) ? mapHelper.model.count - 1 : 0
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sourceItem: Image {
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id: mapItemImage
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source: "qrc:///dive-location-marker" + (mapHelper.model.isSelected(model.divesite) ? "-selected" : (mapHelper.editMode ? "-inactive" : "")) + "-icon"
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SequentialAnimation {
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id: mapItemImageAnimation
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PropertyAnimation { target: mapItemImage; property: "scale"; from: 1.0; to: 0.7; duration: 120 }
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PropertyAnimation { target: mapItemImage; property: "scale"; from: 0.7; to: 1.0; duration: 80 }
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}
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MouseArea {
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drag.target: (mapHelper.editMode && mapHelper.model.isSelected(model.divesite)) ? mapItem : undefined
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anchors.fill: parent
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onClicked: {
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if (!mapHelper.editMode && model.divesite) {
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mapHelper.model.setSelected(model.divesite)
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mapHelper.selectedLocationChanged(model.divesite)
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}
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}
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onDoubleClicked: map.doubleClickHandler(mapItem.coordinate)
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onReleased: {
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if (mapHelper.editMode && mapHelper.model.isSelected(model.divesite)) {
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mapHelper.updateCurrentDiveSiteCoordinatesFromMap(model.divesite, mapItem.coordinate)
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}
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}
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}
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Item {
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// Text with a duplicate for shadow. DropShadow as layer effect is kind of slow here.
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y: mapItemImage.y + mapItemImage.height
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visible: map.zoomLevel >= map.textVisibleZoom
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Text {
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id: mapItemTextShadow
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x: mapItemText.x + 2; y: mapItemText.y + 2
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text: mapItemText.text
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font.pointSize: mapItemText.font.pointSize
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color: "black"
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}
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Text {
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id: mapItemText
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text: model.name
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font.pointSize: 11.0
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color: mapHelper.model.isSelected(model.divesite) ? "white" : "lightgrey"
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}
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}
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}
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}
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}
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SequentialAnimation {
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id: mapAnimationZoomIn
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NumberAnimation {
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target: map; property: "zoomLevel"; to: map.newZoomOut; duration: Math.abs(map.newZoomOut - map.zoomLevel) * 200
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}
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ParallelAnimation {
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CoordinateAnimation { target: map; property: "center"; to: map.newCenter; duration: 2000; easing.type: Easing.OutCubic }
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NumberAnimation {
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target: map; property: "zoomLevel"; to: map.newZoom; duration: 2000
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}
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}
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}
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ParallelAnimation {
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id: mapAnimationClick
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CoordinateAnimation { target: map; property: "center"; to: map.newCenter; duration: 500 }
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NumberAnimation { target: map; property: "zoomLevel"; to: map.newZoom; duration: 500 }
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}
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MouseArea {
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anchors.fill: parent
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onPressed: { map.stopZoomAnimations(); mouse.accepted = false }
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onWheel: { map.stopZoomAnimations(); wheel.accepted = false }
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onDoubleClicked: map.doubleClickHandler(map.toCoordinate(Qt.point(mouseX, mouseY)))
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}
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function doubleClickHandler(coord) {
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newCenter = coord
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newZoom = zoomLevel + zoomStep
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if (newZoom > maximumZoomLevel)
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newZoom = maximumZoomLevel
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mapAnimationClick.restart()
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}
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function pointIsVisible(pt) {
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return !isNaN(pt.x)
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}
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function coordIsValid(coord) {
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if (coord == null || isNaN(coord.latitude) || isNaN(coord.longitude) ||
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(coord.latitude === 0.0 && coord.longitude === 0.0))
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return false;
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return true;
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}
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function stopZoomAnimations() {
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mapAnimationZoomIn.stop()
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}
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function centerOnCoordinate(coord) {
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stopZoomAnimations()
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if (!coordIsValid(coord)) {
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console.warn("MapWidget.qml: centerOnCoordinate(): !coordIsValid()")
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return
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}
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var newZoomOutFound = false
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var zoomStored = zoomLevel
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var centerStored = QtPositioning.coordinate(center.latitude, center.longitude)
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newZoomOut = zoomLevel
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newCenter = coord
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zoomLevel = Math.floor(zoomLevel)
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while (zoomLevel > minimumZoomLevel) {
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var pt = fromCoordinate(coord)
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if (pointIsVisible(pt)) {
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newZoomOut = zoomLevel
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newZoomOutFound = true
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break
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}
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zoomLevel -= 1.0
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}
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if (!newZoomOutFound)
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newZoomOut = defaultZoomOut
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zoomLevel = zoomStored
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center = centerStored
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newZoom = zoomStored
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mapAnimationZoomIn.restart()
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}
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function centerOnRectangle(topLeft, bottomRight, centerRect) {
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stopZoomAnimations()
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if (newCenter.latitude === 0.0 && newCenter.longitude === 0.0) {
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// Do nothing
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return
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}
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var centerStored = QtPositioning.coordinate(center.latitude, center.longitude)
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var zoomStored = zoomLevel
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var newZoomOutFound = false
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newCenter = centerRect
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// calculate zoom out
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newZoomOut = zoomLevel
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while (zoomLevel > minimumZoomLevel) {
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var ptCenter = fromCoordinate(centerStored)
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var ptCenterRect = fromCoordinate(centerRect)
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if (pointIsVisible(ptCenter) && pointIsVisible(ptCenterRect)) {
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newZoomOut = zoomLevel
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newZoomOutFound = true
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break
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}
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zoomLevel -= 1.0
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}
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if (!newZoomOutFound)
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newZoomOut = defaultZoomOut
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// calculate zoom in
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center = newCenter
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zoomLevel = Math.floor(maximumZoomLevel)
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var diagonalRect = topLeft.distanceTo(bottomRight)
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while (zoomLevel > minimumZoomLevel) {
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var c0 = toCoordinate(Qt.point(0.0, 0.0))
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var c1 = toCoordinate(Qt.point(width, height))
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if (c0.distanceTo(c1) > diagonalRect) {
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newZoom = zoomLevel - 2.0
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break
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}
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zoomLevel -= 1.0
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}
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if (newZoom > defaultZoomIn)
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newZoom = defaultZoomIn
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zoomLevel = zoomStored
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center = centerStored
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mapAnimationZoomIn.restart()
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}
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function deselectMapLocation() {
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stopZoomAnimations()
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}
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}
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Rectangle {
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id: editMessage
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radius: padding
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color: "#b08000"
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border.color: "white"
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x: (map.width - width) * 0.5; y: padding
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width: editMessageText.width + padding * 2.0
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height: editMessageText.height + padding * 2.0
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visible: false
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opacity: 0.0
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property int isVisible: -1
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property real padding: 10.0
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onOpacityChanged: visible = opacity != 0.0
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states: [
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State { when: editMessage.isVisible === 1; PropertyChanges { target: editMessage; opacity: 1.0 }},
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State { when: editMessage.isVisible === 0; PropertyChanges { target: editMessage; opacity: 0.0 }}
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]
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transitions: Transition { NumberAnimation { properties: "opacity"; easing.type: Easing.InOutQuad }}
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Text {
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id: editMessageText
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y: editMessage.padding; x: editMessage.padding
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verticalAlignment: Text.AlignVCenter
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color: "white"
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font.pointSize: 11.0
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text: qsTr("Drag the selected dive location")
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}
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}
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Image {
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id: toggleImage
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x: 10; y: x
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width: 40
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height: 40
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source: "qrc:///map-style-" + (map.activeMapType === map.mapType.SATELLITE ? "map" : "photo") + "-icon"
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SequentialAnimation {
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id: toggleImageAnimation
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PropertyAnimation { target: toggleImage; property: "scale"; from: 1.0; to: 0.8; duration: 120 }
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PropertyAnimation { target: toggleImage; property: "scale"; from: 0.8; to: 1.0; duration: 80 }
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}
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MouseArea {
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anchors.fill: parent
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onClicked: {
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map.activeMapType = map.activeMapType === map.mapType.SATELLITE ? map.mapType.STREET : map.mapType.SATELLITE
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toggleImageAnimation.restart()
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}
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}
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}
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Image {
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id: imageZoomIn
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x: 10 + (toggleImage.width - imageZoomIn.width) * 0.5; y: toggleImage.y + toggleImage.height + 10
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width: 20
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height: 20
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source: "qrc:///zoom-in-icon"
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SequentialAnimation {
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id: imageZoomInAnimation
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PropertyAnimation { target: imageZoomIn; property: "scale"; from: 1.0; to: 0.8; duration: 120 }
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PropertyAnimation { target: imageZoomIn; property: "scale"; from: 0.8; to: 1.0; duration: 80 }
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}
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MouseArea {
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anchors.fill: parent
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onClicked: {
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map.stopZoomAnimations()
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map.newCenter = map.center
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map.newZoom = map.zoomLevel + map.zoomStep
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if (map.newZoom > map.maximumZoomLevel)
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map.newZoom = map.maximumZoomLevel
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mapAnimationClick.restart()
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imageZoomInAnimation.restart()
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}
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}
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}
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Image {
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id: imageZoomOut
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x: imageZoomIn.x; y: imageZoomIn.y + imageZoomIn.height + 10
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source: "qrc:///zoom-out-icon"
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width: 20
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height: 20
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SequentialAnimation {
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id: imageZoomOutAnimation
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PropertyAnimation { target: imageZoomOut; property: "scale"; from: 1.0; to: 0.8; duration: 120 }
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PropertyAnimation { target: imageZoomOut; property: "scale"; from: 0.8; to: 1.0; duration: 80 }
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}
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MouseArea {
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anchors.fill: parent
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onClicked: {
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map.stopZoomAnimations()
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map.newCenter = map.center
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map.newZoom = map.zoomLevel - map.zoomStep
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mapAnimationClick.restart()
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imageZoomOutAnimation.restart()
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}
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}
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}
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/*
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* open coordinates in google maps while attempting to roughly preserve
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* the zoom level. the mapping between the QML map zoom level and the
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* Google Maps zoom level is done via exponential regression:
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* y = a * exp(b * x)
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*
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* data set:
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* qml (x) gmaps (y in meters)
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* 21 257
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* 15.313216749178913 3260
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* 12.553216749178931 20436
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* 11.11321674917894 52883
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* 9.313216749178952 202114
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* 7.51321674917896 737136
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* 5.593216749178958 2495529
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* 4.153216749178957 3895765
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* 1.753216749178955 18999949
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*/
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function openLocationInGoogleMaps(latitude, longitude) {
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var loc = latitude + "," + longitude
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var x = map.zoomLevel
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var a = 53864950.831693
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var b = -0.60455861606547030630
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var zoom = Math.floor(a * Math.exp(b * x))
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var url = "https://www.google.com/maps/place/@" + loc + "," + zoom + "m/data=!3m1!1e3!4m2!3m1!1s0x0:0x0"
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Qt.openUrlExternally(url)
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console.log("openLocationInGoogleMaps() map.zoomLevel: " + x + ", url: " + url)
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}
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MapWidgetContextMenu {
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id: contextMenu
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y: 10; x: map.width - y
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onActionSelected: {
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switch (action) {
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case contextMenu.actions.OPEN_LOCATION_IN_GOOGLE_MAPS:
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openLocationInGoogleMaps(map.center.latitude, map.center.longitude)
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break
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case contextMenu.actions.COPY_LOCATION_DECIMAL:
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mapHelper.copyToClipboardCoordinates(map.center, false)
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break
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case contextMenu.actions.COPY_LOCATION_SEXAGESIMAL:
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mapHelper.copyToClipboardCoordinates(map.center, true)
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break
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case contextMenu.actions.SELECT_VISIBLE_LOCATIONS:
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mapHelper.selectVisibleLocations()
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break
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}
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}
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}
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}
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