305 lines
9.9 KiB
JavaScript
305 lines
9.9 KiB
JavaScript
// vim: et:ts=4:sw=4:sts=4:ft=javascript
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/*@
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Ox.MapMarker <f> MapMarker Object
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(options) -> <f> MapMarker Object
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options <o> Options object
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color <a|[255, 0, 0]> marker color
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map <o|null> map
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place <o|null> place
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size <n|16> size
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@*/
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Ox.MapMarker = function(options) {
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options = Ox.extend({
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color: [255, 0, 0],
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map: null,
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place: null,
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size: 16
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}, options);
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var that = this,
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typeColor = {
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country: [64, 64, 255],
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region: [0, 192, 192],
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city: [255, 0, 0],
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borough: [255, 128, 0],
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street: [255, 255, 0],
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building: [255, 64, 128],
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feature: [0, 192, 0]
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},
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areaSize = {
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100: 10, // 10 x 10 m
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10000: 12, // 100 x 100 m
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1000000: 14, // 1 x 1 km
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100000000: 16, // 10 x 10 km
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10000000000: 18, // 100 x 100 km
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1000000000000: 20, // 1,000 x 1,000 km
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100000000000000: 22 // 10,000 x 10,000 km
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};
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Ox.forEach(options, function(val, key) {
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that[key] = val;
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});
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that.marker = new google.maps.Marker({
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raiseOnDrag: false,
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shape: {coords: [8, 8, 8], type: 'circle'},
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//title: that.place.name,
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//zIndex: 1000
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});
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setOptions();
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function click() {
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if (!that.place.selected) {
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if (that.map.getKey() == 'shift') {
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var place = that.map.getSelectedPlace(),
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bounds = new google.maps.LatLngBounds(
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new google.maps.LatLng(place.south, place.west),
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new google.maps.LatLng(place.north, place.east)
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),
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southWest, northEast;
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bounds = bounds.union(that.place.bounds);
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southWest = bounds.getSouthWest();
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northEast = bounds.getNorthEast();
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that.map.newPlace(new Ox.MapPlace({
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// fixme: duplicated, see Ox.Map.js
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alternativeNames: [],
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countryCode: '',
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editable: true,
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geoname: '',
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id: '_' + Ox.encodeBase32(Ox.uid()), // fixme: stupid
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map: that.map,
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name: '',
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type: 'feature',
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south: southWest.lat(),
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west: southWest.lng(),
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north: northEast.lat(),
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east: northEast.lng()
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}));
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} else {
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that.map.options({selected: that.place.id});
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}
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} else {
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if (that.map.getKey() == 'meta') {
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that.map.options({selected: null});
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} else {
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that.map.panToPlace();
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}
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}
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}
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function dblclick() {
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that.place.selected && that.map.zoomToPlace();
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}
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function dragstart(e) {
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}
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function drag(e) {
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var northSouth = (that.place.north - that.place.south) / 2,
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lat = Ox.limit(
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e.latLng.lat(),
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Ox.MIN_LATITUDE + northSouth,
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Ox.MAX_LATITUDE - northSouth
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),
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lng = e.latLng.lng(),
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span = Math.min(
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that.place.sizeEastWest * Ox.getDegreesPerMeter(lat) / 2, 179.99999999
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);
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degreesPerMeter = Ox.getDegreesPerMeter(lat);
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that.place.south += lat - that.place.lat;
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that.place.north += lat - that.place.lat;
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that.place.west = lng - span;
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that.place.east = lng + span;
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if (that.place.west < -180) {
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that.place.west += 360;
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} else if (that.place.east > 180) {
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that.place.east -= 360;
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}
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Ox.print('west', that.place.west, 'east', that.place.east, 'span', span);
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that.place.update();
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that.marker.setOptions({
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position: that.place.center
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})
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that.place.rectangle.update();
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}
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function dragend(e) {
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that.map.triggerEvent('changeplaceend', that.place);
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}
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function getMarkerImage(options, callback) {
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// fixme: unused
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options = Ox.extend({
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background: [255, 0, 0],
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editing: false,
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result: false,
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selected: false,
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size: 16
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}, options);
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var background = options.result ? [255, 255, 0] : [255, 0, 0],
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border = options.editing ? [128, 128, 255] :
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options.selected ? [255, 255, 255] : [0, 0, 0],
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c = Ox.canvas(options.size, options.size),
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image,
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r = options.size / 2;
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if (Ox.isArray(background)) {
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c.context.fillStyle = 'rgba(' + background.join(', ') + ', 0.5)';
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c.context.arc(r, r, r - 2, 0, 360);
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c.context.fill();
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renderImage();
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} else {
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image = new Image();
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image.onload = renderImage;
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image.src = background;
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}
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function renderImage() {
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//var i;
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if (Ox.isString(background)) {
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c.context.drawImage(image, 1, 1, options.size - 2, options.size - 2);
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/*
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c.imageData = c.context.getImageData(0, 0, options.size, options.size);
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c.data = c.imageData.data;
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for (i = 3; i < c.data.length; i += 1) {
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c.data[i] = Math.round(c.data[i] * 0.5);
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}
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c.context.putImageData(c.imageData, 0, 0);
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*/
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}
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c.context.beginPath();
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c.context.lineWidth = 2;
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c.context.strokeStyle = 'rgb(' + border.join(', ') + ')';
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c.context.arc(r, r, r - 1, 0, 360);
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c.context.stroke();
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callback(new google.maps.MarkerImage(
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c.canvas.toDataURL(),
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new google.maps.Size(options.size, options.size),
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new google.maps.Point(0, 0),
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new google.maps.Point(r, r)
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));
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}
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}
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function mouseover(e) {
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var offset = that.map.offset(),
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xy = that.map.overlayView.getProjection()
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.fromLatLngToContainerPixel(e.latLng);
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that.tooltip.show(offset.left + xy.x - 4, offset.top + xy.y + 20);
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}
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function mouseout() {
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that.tooltip.hide();
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}
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function setOptions() {
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// workaround to prevent marker from appearing twice
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// after setting draggable from true to false (google maps bug)
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var fix = that.marker.getDraggable() && !that.place.editing;
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//Ox.print('setOptions, that.map: ', that.map)
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if (that.map.options('showTypes')) {
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that.color = typeColor[that.place.type];
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that.size = 8;
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Ox.forEach(areaSize, function(size, area) {
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if (that.place.area > area) {
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that.size = size;
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} else {
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return false;
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}
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});
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}
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that.marker.setOptions({
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// fixme: cursor remains pointer
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cursor: that.place.editing ? 'move' : 'pointer',
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draggable: that.place.editing,
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icon: Ox.MapMarkerImage({
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color: that.color,
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mode: that.place.editing ? 'editing' :
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that.place.selected ? 'selected' : 'normal',
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size: that.size,
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type: that.place.id[0] == '_' ? 'result' : 'place'
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}),
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position: that.place.center
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});
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if (fix) {
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that.marker.setVisible(false);
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setTimeout(function() {
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that.marker.setVisible(true);
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}, 0);
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}
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setTooltip();
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}
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function setTooltip() {
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var country = Ox.getCountryByGeoname(that.place.geoname);
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that.tooltip = Ox.Tooltip({
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title: '<img src="'
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+ Ox.getImageByGeoname('icon', 16, that.place.geoname)
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+ '" style="float: left; margin: 1px 0 1px -1px; border-radius: 4px"/>'
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+ '<div style="float: left; margin: 4px -1px 0 4px; font-size: 9px;">'
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+ that.place.name
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+ (country && country.name != that.place.name ? ', ' + country.name : '')
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+ '</div>'
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});
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}
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/*@
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add <f> add to map
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() -> <f> add to map, returns MapMarker
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@*/
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that.add = function() {
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that.marker.setMap(that.map.map);
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google.maps.event.addListener(that.marker, 'click', click);
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google.maps.event.addListener(that.marker, 'dblclick', dblclick);
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google.maps.event.addListener(that.marker, 'mouseover', mouseover);
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google.maps.event.addListener(that.marker, 'mouseout', mouseout);
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return that;
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};
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/*@
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edit <f> edit marker
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() -> <f> edit marker, returns MapMarker
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@*/
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that.edit = function() {
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setOptions();
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google.maps.event.addListener(that.marker, 'dragstart', dragstart);
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google.maps.event.addListener(that.marker, 'drag', drag);
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google.maps.event.addListener(that.marker, 'dragend', dragend);
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return that;
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};
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/*@
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remove <f> remove marker
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() -> <f> remove marker from map, returns MapMarker
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that.remove = function() {
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that.marker.setMap(null);
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google.maps.event.clearListeners(that.marker);
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return that;
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};
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/*@
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submit <f> submit marker
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() -> <f> clear edit listeners, returns MapMarker
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that.submit = function() {
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google.maps.event.clearListeners(that.marker, 'dragstart');
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google.maps.event.clearListeners(that.marker, 'drag');
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google.maps.event.clearListeners(that.marker, 'dragend');
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return that;
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}
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/*@
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update <f> update marker
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() -> <f> update marker, returns MapMarker
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that.update = function() {
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setOptions();
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return that;
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}
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return that;
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};
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