[wip] create LeafletMap using leaflet instead of google maps

This commit is contained in:
Sanjay Bhangar 2023-07-15 20:43:03 +05:30
parent 4189c740b5
commit ae2b1854aa
8 changed files with 2443 additions and 3 deletions

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@ -5,7 +5,7 @@
<meta http-equiv="Keywords" content="Lists"/> <meta http-equiv="Keywords" content="Lists"/>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<link rel="shortcut icon" type="image/png" href="../../../source/UI/themes/oxlight/png/icon16.png"/> <link rel="shortcut icon" type="image/png" href="../../../source/UI/themes/oxlight/png/icon16.png"/>
<script type="text/javascript" src="../../../min/Ox.js"></script> <script type="text/javascript" src="../../../dev/Ox.js"></script>
<script type="text/javascript" src="js/example.js"></script> <script type="text/javascript" src="js/example.js"></script>
<script>window.addEventListener('message', function(e) { e.origin == window.location.origin && eval('(' + e.data + ')'); });</script> <script>window.addEventListener('message', function(e) { e.origin == window.location.origin && eval('(' + e.data + ')'); });</script>
</head> </head>

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@ -7,7 +7,7 @@ on a world map.
Ox.load(['UI', 'Geo'], function() { Ox.load(['UI', 'Geo'], function() {
var $map = Ox.Map({ var $map = Ox.LeafletMap({
keys: ['region'], keys: ['region'],
markerColor: function(place) { markerColor: function(place) {
return Ox.getGeoColor(place.region); return Ox.getGeoColor(place.region);

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@ -0,0 +1,335 @@
'use strict';
/*@
Ox.MapMarker <f> MapMarker
(options) -> <o> MapMarker object
options <o> Options object
color <a|[255, 0, 0]> marker color
map <o|null> map
place <o|null> place
size <n|16> size
@*/
Ox.LeafletMapMarker = function(options) {
options = Ox.extend({
map: null,
place: null
}, options);
var that = this,
areaSize = {
100: 10, // 10 x 10 m
10000: 12, // 100 x 100 m
1000000: 14, // 1 x 1 km
100000000: 16, // 10 x 10 km
10000000000: 18, // 100 x 100 km
1000000000000: 20, // 1,000 x 1,000 km
100000000000000: 22 // 10,000 x 10,000 km
},
themeData = Ox.Theme.getThemeData(),
typeColor = {};
[
'country', 'region', 'city', 'borough',
'street', 'building', 'feature'
].forEach(function(type) {
typeColor[type] = themeData[
'mapPlace' + Ox.toTitleCase(type) + 'Color'
];
});
Ox.forEach(options, function(val, key) {
that[key] = val;
});
console.log('place', options.place);
that.marker = new L.Marker([options.place.center.lat, options.place.center.lng], {
// raiseOnDrag: false,
// shape: {coords: [8, 8, 8], type: 'circle'}
//title: that.place.name,
//zIndex: 1000
}).addTo(options.map.map);
// setOptions();
function click() {
var key = that.map.getKey(),
place, bounds, southWest, northEast;
if (!that.place.selected) {
if (
that.map.options('editable')
&& (key == 'meta' || key == 'shift')
) {
place = that.map.getSelectedPlace();
}
if (place) {
bounds = new L.LatLngBounds(
new L.LatLng(place.south, place.west),
new L.LatLng(place.north, place.east)
);
// bounds = bounds.union(that.place.bounds);
southWest = bounds.getSouthWest();
northEast = bounds.getNorthEast();
that.map.newPlace(new Ox.LeafletMapPlace({
// fixme: duplicated, see Ox.Map.js
alternativeNames: [],
countryCode: '',
editable: true,
geoname: '',
id: '_' + Ox.encodeBase32(Ox.uid()), // fixme: stupid
map: that.map,
name: '',
type: 'feature',
south: southWest.lat,
west: southWest.lng,
north: northEast.lat,
east: northEast.lng
}));
} else {
console.log('place', that.place);
that.map.options({selected: that.place.id});
}
} else {
if (key == 'meta') {
that.map.options({selected: null});
} else {
that.map.panToPlace();
}
}
}
function dblclick() {
that.place.selected && that.map.zoomToPlace();
}
function dragstart(e) {
Ox.$body.addClass('OxDragging');
}
function drag(e) {
var northSouth = (that.place.north - that.place.south) / 2,
lat = Ox.limit(
e.latLng.lat(),
Ox.MIN_LATITUDE + northSouth,
Ox.MAX_LATITUDE - northSouth
),
lng = e.latLng.lng(),
span = Math.min(
that.place.sizeEastWest * Ox.getDegreesPerMeter(lat) / 2, 179.99999999
),
degreesPerMeter = Ox.getDegreesPerMeter(lat);
that.place.south += lat - that.place.lat;
that.place.north += lat - that.place.lat;
that.place.west = lng - span;
that.place.east = lng + span;
if (that.place.west < -180) {
that.place.west += 360;
} else if (that.place.east > 180) {
that.place.east -= 360;
}
Ox.Log('Map', 'west', that.place.west, 'east', that.place.east, 'span', span);
that.place.update();
that.marker.setOptions({
position: that.place.center
});
that.place.rectangle.update();
}
function dragend(e) {
Ox.$body.removeClass('OxDragging');
that.map.triggerEvent('changeplaceend', that.place);
}
function getMarkerImage(options, callback) {
// fixme: unused
options = Ox.extend({
background: [255, 0, 0],
editing: false,
result: false,
selected: false,
size: 16
}, options);
var background = options.result ? [255, 255, 0] : [255, 0, 0],
border = options.editing ? [128, 128, 255] :
options.selected ? [255, 255, 255] : [0, 0, 0],
c = Ox.canvas(options.size, options.size),
image,
r = options.size / 2;
if (Ox.isArray(background)) {
c.context.fillStyle = 'rgba(' + background.join(', ') + ', 0.5)';
c.context.arc(r, r, r - 2, 0, 360);
c.context.fill();
renderImage();
} else {
image = new Image();
image.onload = renderImage;
image.src = background;
}
function renderImage() {
//var i;
if (Ox.isString(background)) {
c.context.drawImage(image, 1, 1, options.size - 2, options.size - 2);
/*
c.imageData = c.context.getImageData(0, 0, options.size, options.size);
c.data = c.imageData.data;
for (i = 3; i < c.data.length; i += 1) {
c.data[i] = Math.round(c.data[i] * 0.5);
}
c.context.putImageData(c.imageData, 0, 0);
*/
}
c.context.beginPath();
c.context.lineWidth = 2;
c.context.strokeStyle = 'rgb(' + border.join(', ') + ')';
c.context.arc(r, r, r - 1, 0, 360);
c.context.stroke();
callback(new google.maps.MarkerImage(
c.canvas.toDataURL(),
new google.maps.Size(options.size, options.size),
new google.maps.Point(0, 0),
new google.maps.Point(r, r)
));
}
}
function mouseover(e) {
var offset = that.map.offset(),
xy = that.map.overlayView.getProjection()
.fromLatLngToContainerPixel(e.latLng);
that.tooltip.show(
offset.left + Math.round(xy.x) - 4,
offset.top + Math.round(xy.y) + 20
);
}
function mouseout() {
that.tooltip.hide();
}
function setOptions() {
// workaround to prevent marker from appearing twice
// after setting draggable from true to false (google maps bug)
// var fix = that.marker.getDraggable() && !that.place.editing,
// color = that.map.options('markerColor'),
// size = that.map.options('markerSize');
var fix = false,
color = that.map.options('markerColor'),
size = that.map.options('markerSize');
//Ox.Log('Map', 'setOptions, that.map: ', that.map)
if (color == 'auto') {
that.color = typeColor[that.place.type] || typeColor['mapPlaceFeatureColor'];
} else if (Ox.isArray(color)) {
that.color = color;
} else {
that.color = color(that.place);
}
if (size == 'auto') {
that.size = 8;
Ox.forEach(areaSize, function(size, area) {
if (that.place.area >= area) {
that.size = size;
} else {
return false; // break
}
});
} else if (Ox.isNumber(size)) {
that.size = size;
} else {
that.size = size(that.place);
}
// that.marker.setOptions({
// // fixme: cursor remains pointer
// cursor: that.place.editing ? 'move' : 'pointer',
// draggable: that.place.editing,
// // icon: Ox.MapMarkerImage({
// // color: that.color,
// // mode: that.place.editing ? 'editing' :
// // that.place.selected ? 'selected' : 'normal',
// // size: that.size,
// // type: that.place.id[0] == '_' ? 'result' : 'place'
// // }),
// position: that.place.center
// });
if (fix) {
that.marker.setVisible(false);
setTimeout(function() {
that.marker.setVisible(true);
}, 0);
}
setTooltip();
}
function setTooltip() {
that.tooltip && that.tooltip.remove();
that.tooltip = Ox.Tooltip({
title: '<img src="'
+ Ox.getFlagByGeoname(that.place.geoname, 16)
+ '" style="float: left; width: 16px; height: 16px; margin: 1px 0 1px -1px; border-radius: 4px"/>'
+ '<div style="float: left; margin: 4px -1px 0 4px; font-size: 9px;">'
+ that.map.options('markerTooltip')(that.place) + '</div>'
})
.addClass('OxMapMarkerTooltip');
}
/*@
add <f> add to map
() -> <f> add to map, returns MapMarker
@*/
that.add = function() {
that.marker.addTo(that.map.map);
that.marker.on('click', click);
that.marker.on('dblclick', dblclick);
// that.marker.on('mouseover', mouseover);
// that.marker.on('mouseout', mouseout);
// google.maps.event.addListener(that.marker, 'click', click);
// google.maps.event.addListener(that.marker, 'dblclick', dblclick);
// google.maps.event.addListener(that.marker, 'mouseover', mouseover);
// google.maps.event.addListener(that.marker, 'mouseout', mouseout);
return that;
};
/*@
edit <f> edit marker
() -> <f> edit marker, returns MapMarker
@*/
that.edit = function() {
setOptions();
google.maps.event.addListener(that.marker, 'dragstart', dragstart);
google.maps.event.addListener(that.marker, 'drag', drag);
google.maps.event.addListener(that.marker, 'dragend', dragend);
return that;
};
/*@
remove <f> remove marker
() -> <f> remove marker from map, returns MapMarker
@*/
that.remove = function() {
that.marker.setMap(null);
google.maps.event.clearListeners(that.marker);
return that;
};
/*@
submit <f> submit marker
() -> <f> clear edit listeners, returns MapMarker
@*/
that.submit = function() {
google.maps.event.clearListeners(that.marker, 'dragstart');
google.maps.event.clearListeners(that.marker, 'drag');
google.maps.event.clearListeners(that.marker, 'dragend');
return that;
}
/*@
update <f> update marker
() -> <f> update marker, returns MapMarker
@*/
that.update = function() {
setOptions();
return that;
}
return that;
};

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@ -0,0 +1,220 @@
'use strict';
/*@
Ox.MapPlace <f> MapPlace Object
(options) -> <o> MapPlace Object
options <o> Options object
east <n|0>
editing <b|false>
geoname <s|''>
map <o|null>
markerColor <a|[255> 0> 0]>
markerSize <n|16>
name <s|''>
north <n|0>
selected <b|false>
south <n|0>
type <s|''>
visible <b|false>
west <n|0>
@*/
Ox.LeafletMapPlace = function(options) {
options = Ox.extend({
east: 0,
editing: false,
geoname: '',
map: null,
name: '',
north: 0,
selected: false,
south: 0,
type: '',
visible: false,
west: 0
}, options);
var that = this;
Ox.forEach(options, function(val, key) {
that[key] = val;
});
update();
function update(updateMarker) {
// console.log('foo', that.north, that.east, that.south, that.west);
that.points = {
ne: new L.LatLng(that.north, that.east),
sw: new L.LatLng(that.south, that.west)
};
console.log('points', JSON.stringify(that.points, null, 2));
that.bounds = new L.latLngBounds(that.points.sw, that.points.ne);
that.center = that.bounds.getCenter();
that.lat = that.center.lat;
that.lng = that.center.lng;
Ox.extend(that.points, {
e: new L.LatLng(that.lat, that.east),
s: new L.LatLng(that.south, that.lng),
se: new L.LatLng(that.south, that.east),
n: new L.LatLng(that.north, that.lng),
nw: new L.LatLng(that.north, that.west),
w: new L.LatLng(that.lat, that.west)
});
// fixme: use bounds.toSpan()
that.sizeNorthSouth = (that.north - that.south)
* Ox.EARTH_CIRCUMFERENCE / 360;
that.sizeEastWest = (that.east + (that.west > that.east ? 360 : 0) - that.west)
* Ox.getMetersPerDegree(that.lat);
that.area = Ox.getArea(
{lat: that.south, lng: that.west},
{lat: that.north, lng: that.east}
);
if (!that.marker) {
that.marker = new Ox.LeafletMapMarker({
map: that.map,
place: that
});
that.rectangle = new Ox.LeafletMapRectangle({
map: that.map,
place: that
});
} else if (updateMarker) {
that.marker.update();
that.rectangle.update();
}
}
function editable() {
return that.map.options('editable') && that.editable;
}
/*@
add <f> add
@*/
that.add = function() {
that.visible = true;
that.marker.add();
return that;
};
/*@
cancel <f> cancel
@*/
that.cancel = function() {
if (editable()) {
that.undo();
that.editing = false;
that.marker.update();
that.rectangle.deselect();
}
return that;
};
/*@
crossesDateline <f> crossesDateline
@*/
that.crossesDateline = function() {
return that.west > that.east;
}
/*@
deselect <f> dselect
@*/
that.deselect = function() {
that.editing && that.submit();
that.selected = false;
that.marker.update();
that.rectangle.remove();
return that;
};
/*@
edit <f> edit
@*/
that.edit = function() {
if (editable()) {
that.editing = true;
that.original = {
south: that.south,
west: that.west,
north: that.north,
east: that.east
};
that.marker.edit();
that.rectangle.select();
}
return that;
};
// fixme: make this an Ox.Element to get options handling for free?
that.options = function(options) {
options = Ox.makeObject(arguments);
Ox.forEach(options, function(value, key) {
that[key] = value;
});
update(true);
};
/*@
remove <f> remove
@*/
that.remove = function() {
that.editing && that.submit();
that.selected && that.deselect();
that.visible = false;
that.marker.remove();
return that;
};
/*@
select <f> select
@*/
that.select = function() {
that.selected = true;
!that.visible && that.add();
that.marker.update();
that.rectangle.add();
return that;
};
/*@
submit <f> submit
@*/
that.submit = function() {
if (editable()) {
that.editing = false;
that.marker.update();
that.rectangle.deselect();
}
return that;
};
/*@
update <f> update
@*/
that.update = function(updateMarker) {
update(updateMarker);
that.map.triggerEvent('changeplace', that);
return that;
};
/*@
undo <f> undo
@*/
that.undo = function() {
if (editable()) {
Ox.forEach(that.original, function(v, k) {
that[k] = v;
});
that.update();
that.marker.update();
that.rectangle.update();
}
return that;
};
return that;
};

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@ -0,0 +1,133 @@
'use strict';
/*@
Ox.MapRectangle <f> MapRectangle Object
(options) -> <o> MapRectangle Object
options <o> Options object
map <o|null> map
place <o|null> place
@*/
Ox.LeafletMapRectangle = function(options) {
options = Ox.extend({
map: null,
place: null
}, options);
var that = this,
themeData = Ox.Theme.getThemeData();
Ox.forEach(options, function(val, key) {
that[key] = val;
});
/*@
rectangle <f> google.maps.Rectangle
@*/
console.log('place bounds', that.place.bounds);
that.rectangle = new L.rectangle(that.place.bounds);
/*@
markers <a> array of markers
@*/
that.markers = Ox.map(that.place.points, function(point, position) {
return new Ox.LeafletMapRectangleMarker({
map: that.map,
place: that.place,
position: position
});
});
setOptions();
function click() {
if (
that.map.options('editable')
&& that.place.editable
&& !that.place.editing
) {
that.place.edit();
} else if (that.map.getKey() == 'meta') {
that.place.submit();
} else if (that.map.getKey() == 'shift') {
that.map.zoomToPlace();
} else {
that.map.panToPlace();
}
}
function setOptions() {
var color = '#' + Ox.toHex(themeData[
that.place.editing
? 'mapPlaceEditingBorder'
: 'mapPlaceSelectedBorder'
]);
// that.rectangle.setOptions({
// bounds: that.place.bounds,
// fillColor: color,
// fillOpacity: that.place.editing ? 0.1 : 0,
// strokeColor: color,
// strokeOpacity: that.place.id[0] == '_' ? 0.5 : 1,
// strokeWeight: 2
// });
}
/*@
add <f> add
@*/
that.add = function() {
that.rectangle.addTo(that.map.map);
that.rectangle.on('click', click);
// google.maps.event.addListener(that.rectangle, 'click', click);
return that;
};
/*@
deselect <f> deselect
@*/
that.deselect = function() {
setOptions();
Ox.Log('Map', 'MARKERS', that.markers)
Ox.forEach(that.markers, function(marker) {
marker.remove();
});
return that;
};
/*@
remove <f> remove
@*/
that.remove = function() {
that.rectangle.remove();
// that.rectangle.setMap(null);
// google.maps.event.clearListeners(that.rectangle);
return that;
}
/*@
select <f> select
@*/
that.select = function() {
setOptions();
Ox.forEach(that.markers, function(marker) {
marker.add();
});
return that;
};
/*@
update <f> udpate
@*/
that.update = function() {
Ox.Log('Map', 'UPDATE...')
setOptions();
Ox.forEach(that.markers, function(marker) {
marker.update();
});
return that;
}
return that;
};

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@ -0,0 +1,126 @@
'use strict';
/*@
Ox.MapRectangleMarker <f> MapRectangleMarker Object
(options) -> <o> MapRectangleMarker Object
options <o> Options object
map <o|null> map
place <o|null> place
position <s|''>
@*/
Ox.LeafletMapRectangleMarker = function(options) {
options = Ox.extend({
map: null,
place: null,
position: ''
}, options);
var that = this;
Ox.forEach(options, function(val, key) {
that[key] = val;
});
console.log('position', that.place.points, that.position);
// that.markerImage = new google.maps.MarkerImage
that.marker = new L.Marker({
});
// that.marker = new google.maps.Marker({
// cursor: that.position + '-resize',
// draggable: true,
// icon: Ox.MapMarkerImage({
// mode: 'editing',
// rectangle: true,
// type: that.place.id[0] == '_' ? 'result' : 'place'
// }),
// position: that.place.points[that.position],
// raiseOnDrag: false
// });
function dragstart(e) {
Ox.$body.addClass('OxDragging');
that.drag = {
lat: e.latLng.lat(),
lng: e.latLng.lng()
};
}
function drag(e) {
// fixme: implement shift+drag (center stays the same)
Ox.Log('Map', e.pixel.x, e.pixel.y)
var lat = Ox.limit(e.latLng.lat(), Ox.MIN_LATITUDE, Ox.MAX_LATITUDE),
lng = e.latLng.lng();
that.drag = {
lat: lat,
lng: lng
};
if (that.position.indexOf('s') > -1) {
that.place.south = lat;
}
if (that.position.indexOf('n') > -1) {
that.place.north = lat;
}
if (that.position.indexOf('w') > -1) {
that.place.west = lng;
}
if (that.position.indexOf('e') > -1) {
that.place.east = lng;
}
//Ox.Log('Map', 'west', that.place.west, 'east', that.place.east);
//Ox.Log('Map', 'south', that.place.south, 'north', that.place.north);
that.place.update();
that.place.marker.update();
that.place.rectangle.update();
}
function dragend(e) {
var south;
Ox.$body.removeClass('OxDragging');
if (that.place.south > that.place.north) {
south = that.place.south;
that.place.south = that.place.north;
that.place.north = south;
that.place.update();
that.place.marker.update();
that.place.rectangle.update();
}
that.map.triggerEvent('changeplaceend', that.place);
}
/*@
add <f> add
@*/
that.add = function() {
that.marker.setMap(that.map.map);
google.maps.event.addListener(that.marker, 'dragstart', dragstart);
google.maps.event.addListener(that.marker, 'drag', drag);
google.maps.event.addListener(that.marker, 'dragend', dragend);
};
/*@
remove <f> remove
@*/
that.remove = function() {
that.marker.setMap(null);
google.maps.event.clearListeners(that.marker);
};
/*@
update <f> update
@*/
that.update = function() {
that.marker.setOptions({
icon: Ox.MapMarkerImage({
mode: 'editing',
rectangle: true,
type: that.place.id[0] == '_' ? 'result' : 'place'
}),
position: that.place.points[that.position]
});
};
return that;
};

View file

@ -832,7 +832,6 @@ Ox.Map = function(options, self) {
} }
function initMap() { function initMap() {
getMapBounds(function(mapBounds) { getMapBounds(function(mapBounds) {
//Ox.Log('Map', 'init', mapBounds.getSouthWest(), mapBounds.getNorthEast(), mapBounds.getCenter()) //Ox.Log('Map', 'init', mapBounds.getSouthWest(), mapBounds.getNorthEast(), mapBounds.getCenter())