oxjs/source/Ox.UI/js/Map/Ox.Map.js

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// vim: et:ts=4:sw=4:sts=4:ft=javascript
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'use strict';
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/*@
Ox.Map <function> Basic map object
# DESCRIPTION --------------------------------------------------------------
<code>Ox.Map</code> is a wrapper around the
<a href="http://code.google.com/apis/maps/documentation/javascript/">Google
Maps API</a>.
# USAGE --------------------------------------------------------------------
() -> <f> Map object
(options) -> <f> Map object
(options, self) -> <f> Map object
# ARGUMENTS ----------------------------------------------------------------
options <o|{}> options
clickable <b|false> If true, clicking on the map finds a place
editable <b|false> If true, places are editable
find <s|""> Initial query
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findPlaceholder <s|"Find"> Placeholder text for the find input element
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maxMarkers <n|100> Maximum number of markers to be displayed
places <[o]|f|null> Array of, or function that returns, place objects
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countryCode <s> ISO 3166 country code
east <n> Longitude of the eastern boundary in degrees
editable <b|false> If true, the place is editable
geoname <s> Geoname (like "Paris, Île-de-France, France")
lat <n> Latitude in degrees
lng <n> Longitude in degrees
markerColor <s|"red"> CSS color of the place marker
markerSize <n|16> size of the place marker in px
name <s> Name (like "Paris")
north <n> Latitude of the northern boundary in degrees
south <n> Latitude of the southern boundary in degrees
type <s> Type (like "city" or "country")
west <n> Longitude of the western boundary in degrees
selected <s|""> Id of the selected place
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showControls <b|false> If true, show controls
showLabels <b|false> If true, show labels on the map
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showTypes <b|false> If true, color markers according to place type
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statusbar <b|false> If true, the map has a statusbar
toolbar <b|false> If true, the map has a toolbar
zoombar <b|false> If true, the map has a zoombar
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zoomOnlyWhenFocused <b|false> If true, scroll-zoom only when focused
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self <o|{}> Shared private variable
# EVENTS -------------------------------------------------------------------
addplace <!> Fires when a place has been added
place <o> Place object
editplace <!> Fires when a place has been edited
place <o> Place object
geocode <!> Fires when a google geocode request returns
latLng <o|u> Query coordinates, or undefined
lat <n> latitude
lng <n> longitude
address <s|u> Query string, or undefined
results <[o]> Google Maps geocode results
address_components <[o]> Address components
long_name <s> Long name
short_name <s> Short name
types <[s]> Types (like "country" or "political")
formatted_address <s> Formatted address
geometry <o> Geometry
bounds <o> Bounds
northEast <o> North-east corner
lat <n> Latitude
lng <n> Longitude
southWest <o> South-west corner
lat <n> Latitude
lng <n> Longitude
location <o> Location
lat <n> Latitude
lng <n> Longitude
location_type <s> Location type (like "APPROXIMATE")
viewport <o> Viewport
northEast <o> North-east corner
lat <n> Latitude
lng <n> Longitude
southWest <o> South-west corner
lat <n> Latitude
lng <n> Longitude
types <[s]> Types (like "country" or "political")
selectplace <!> Fires when a place has been selected or deselected
place <o> Place object
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# EXAMPLES -----------------------------------------------------------------
<script>
// simple
Ox.load('UI', function() {
Ox.Map().appendTo(Ox.UI.$body);
});
</script>
> Ox.Map() === true
false
> Ox.Map() === false
false
@*/
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Ox.Map = function(options, self) {
self = self || {};
var that = Ox.Element({}, self)
.defaults({
// fixme: isClickable? hasZoombar?
clickable: false,
editable: false,
find: '',
findPlaceholder: 'Find',
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maxMarkers: 100,
places: null,
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selected: '',
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showControls: false,
showLabels: false,
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showTypes: false,
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statusbar: false, // FIXME: showStatusbar
toolbar: false, // FIXME: showToolbar
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zoombar: false, // FIXME: showZoombar
zoomOnlyWhenFocused: false
// fixme: width, height
})
.options(options || {})
.addClass('OxMap')
.bindEvent({
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gainfocus: function() {
self.options.zoomOnlyWhenFocused && self.map.setOptions({scrollwheel: true});
},
losefocus: function() {
self.options.zoomOnlyWhenFocused && self.map.setOptions({scrollwheel: false});
},
key_0: function() {
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panToPlace()
},
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key_c: toggleControls,
key_down: function() {
pan(0, 1);
},
key_enter: pressEnter,
key_escape: pressEscape,
key_equal: function() {
zoom(1);
},
key_l: toggleLabels,
key_left: function() {
pan(-1, 0);
},
key_meta: function() {
self.metaKey = true;
$(document).one({
keyup: function() {
self.metaKey = false;
}
});
},
key_minus: function() {
zoom(-1);
},
key_right: function() {
pan(1, 0);
},
key_shift: function() {
self.shiftKey = true;
$(document).one({
keyup: function() {
self.shiftKey = false;
}
});
},
key_shift_down: function() {
pan(0, 2);
},
key_shift_0: function() {
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zoomToPlace();
},
key_shift_equal: function() {
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zoom(2);
},
key_shift_left: function() {
pan(-2, 0);
},
key_shift_minus: function() {
zoom(-2);
},
key_shift_right: function() {
pan(2, 0);
},
key_shift_up: function() {
pan(0, -2);
},
key_up: function() {
pan(0, -1);
},
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key_z: undo,
mousedown: function(e) {
!$(e.target).is('input') && that.gainFocus();
}
});
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self.isAsync = Ox.isFunction(self.options.places);
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self.mapHeight = getMapHeight();
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self.metaKey = false;
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self.minZoom = getMinZoom();
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self.placeKeys = [
'id', 'name', 'alternativeNames', 'geoname', 'countryCode', 'type',
'lat', 'lng', 'south', 'west', 'north', 'east', 'area',
'editable'
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];
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self.resultPlace = null;
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self.scaleMeters = [
50000000, 20000000, 10000000,
5000000, 2000000, 1000000,
500000, 200000, 100000,
50000, 20000, 10000,
5000, 2000, 1000,
500, 200, 100,
50, 20, 10
];
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self.shiftKey = false;
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if (self.options.toolbar) {
self.$toolbar = Ox.Bar({
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size: 24
})
.appendTo(that);
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self.$select = Ox.MenuButton({
items: [
{
id: 'toggleLabels',
title: self.options.showLabels
? ['Hide Labels', 'Show Labels']
: ['Show Labels', 'Hide Labels'],
keyboard: 'l'
},
{
id: 'toggleControls',
title: self.options.showControls
? ['Hide Controls', 'Show Controls']
: ['Show Controls', 'Hide Controls'],
keyboard: 'c'
}
],
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title: 'Options...',
width: 96
})
.css({float: 'left', margin: '4px'})
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.bindEvent({
click: function(data) {
if (data.id == 'toggleLabels') {
toggleLabels();
} else if (data.id == 'toggleControls') {
toggleControls();
}
}
})
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.appendTo(self.$toolbar);
/*
self.$labelsButton = Ox.Checkbox({
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title: 'Labels',
width: 64
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})
.css({float: 'left', margin: '4px'})
.bindEvent({
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change: toggleLabels
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})
.appendTo(self.$toolbar)
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*/
self.$findInput = Ox.Input({
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clear: true,
placeholder: self.options.findPlaceholder,
width: 192
})
.css({float: 'right', margin: '4px'})
.bindEvent({
submit: submitFind
})
.appendTo(self.$toolbar)
}
self.$map = Ox.Element()
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.css({
left: 0,
top: self.options.toolbar * 24 + 'px',
right: 0,
bottom: self.options.zoombar * 16 + self.options.statusbar * 24 + 'px'
})
.appendTo(that);
if (self.options.zoombar) {
self.$zoombar = Ox.Bar({
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size: 16
})
.css({
bottom: self.options.statusbar * 24 + 'px'
})
.appendTo(that);
}
if (self.options.statusbar) {
self.$statusbar = Ox.Bar({
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size: 24
})
.css({
bottom: 0
})
.appendTo(that);
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self.$placeFlag = $('<img>')
.addClass('OxFlag')
.attr({
src: Ox.PATH + 'Ox.Geo/png/icons/16/NTHH.png'
})
.css({float: 'left', margin: '4px 2px 4px 4px'})
.appendTo(self.$statusbar.$element);
self.$placeNameInput = Ox.Input({
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placeholder: 'Name',
width: 96
})
//.css({position: 'absolute', left: 4, top: 4})
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.css({float: 'left', margin: '4px 2px 4px 2px'})
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.appendTo(self.$statusbar);
self.$placeGeonameInput = Ox.Input({
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placeholder: 'Geoname',
width: 96
})
//.css({position: 'absolute', left: 104, top: 4})
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.css({float: 'left', margin: '4px 2px 4px 2px'})
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.appendTo(self.$statusbar);
self.$placeButton = Ox.Button({
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title: 'New Place',
width: 96
})
.css({float: 'right', margin: '4px 4px 4px 2px'})
.bindEvent({
click: clickPlaceButton
})
.appendTo(self.$statusbar);
}
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self.$controls = {
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center: Ox.Button({
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title: 'center',
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type: 'image'
})
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.addClass('OxMapControl OxMapButtonCenter')
.bindEvent({
singleclick: function() {
panToPlace();
},
doubleclick: function() {
zoomToPlace();
}
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}),
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east: Ox.Button({
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title: 'right',
type: 'image'
})
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.addClass('OxMapControl OxMapButtonEast')
.bindEvent({
singleclick: function() {
pan(1, 0);
},
doubleclick: function() {
pan(2, 0);
}
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}),
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north: Ox.Button({
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title: 'up',
type: 'image'
})
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.addClass('OxMapControl OxMapButtonNorth')
.bindEvent({
singleclick: function() {
pan(0, -1);
},
doubleclick: function() {
pan(0, -2);
}
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}),
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south: Ox.Button({
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title: 'down',
type: 'image'
})
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.addClass('OxMapControl OxMapButtonSouth')
.bindEvent({
singleclick: function() {
pan(0, 1);
},
doubleclick: function() {
pan(0, 2);
}
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}),
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west: Ox.Button({
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title: 'left',
type: 'image'
})
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.addClass('OxMapControl OxMapButtonWest')
.bindEvent({
singleclick: function() {
pan(-1, 0);
},
doubleclick: function() {
pan(-2, 0);
}
}),
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scale: Ox.Label({
textAlign: 'center'
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})
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.addClass('OxMapControl OxMapScale')
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};
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!self.options.showControls && Ox.forEach(self.$controls, function($control) {
$control.css({opacity: 0}).hide();
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});
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self.$placeControls = {
flag: Ox.Element()
.addClass('OxPlaceControl OxPlaceFlag'),
name: Ox.Label({
textAlign: 'center',
tooltip: 'Click to pan, doubleclick to zoom'
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})
.addClass('OxPlaceControl OxPlaceName')
.bindEvent({
singleclick: function() {
panToPlace();
},
doubleclick: function() {
zoomToPlace();
}
}),
deselectButton: Ox.Button({
title: 'close',
tooltip: 'Deselect',
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type: 'image',
})
.addClass('OxPlaceControl OxPlaceDeselectButton')
.bindEvent({
click: function() {
selectPlace(null);
}
})
}
Ox.forEach(self.$placeControls, function($placeControl) {
$placeControl.css({opacity: 0}).hide();
});
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if (!self.isAsync) {
self.options.places.forEach(function(place) {
if (Ox.isUndefined(place.id)) {
place.id = Ox.encodeBase32(Ox.uid());
}
});
}
if (window.google) {
initMap();
} else if (window.googleCallback) {
(function interval() {
window.google ? initMap() : setTimeout(interval, 100);
}());
} else {
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window.googleCallback = function() {
delete window.googleCallback;
initMap();
};
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$.getScript(
document.location.protocol
+ '//maps.google.com/maps/api/js?callback=googleCallback&sensor=false'
);
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}
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function addPlaces() {
Ox.forEach(self.$placeControls, function($placeControl) {
$placeControl.hide();
});
self.places && self.places.forEach(function(place) {
place.remove();
});
self.places = [];
if (!self.isAsync) {
self.options.places.forEach(function(place) {
self.places.push(new Ox.MapPlace(Ox.extend({
map: that
}, place)));
});
}
}
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function addPlaceToMap(place) {
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// via find, click, shift-click, or new place button
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Ox.Log('Map', 'addPlaceToMap', place)
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var exists = false;
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if (!place) {
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var bounds = self.map.getBounds(),
center = self.map.getCenter(),
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southwest = new google.maps.LatLngBounds(
bounds.getSouthWest(), center
).getCenter(),
northeast = new google.maps.LatLngBounds(
center, bounds.getNorthEast()
).getCenter(),
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place = new Ox.MapPlace({
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alternativeNames: [],
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countryCode: '',
editable: true,
geoname: '',
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id: '_' + Ox.encodeBase32(Ox.uid()), // fixme: stupid
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map: that,
name: '',
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type: 'feature',
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south: southwest.lat(),
west: southwest.lng(),
north: northeast.lat(),
east: northeast.lng()
});
}
Ox.forEach(self.places, function(p, i) {
if (place.bounds.equals(p.bounds)) {
place = p;
exists = true;
return false;
}
});
if (!exists) {
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self.resultPlace && self.resultPlace.remove();
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self.resultPlace = place;
place.add();
}
selectPlace(place.id);
}
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function addPlaceToPlaces(data) {
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var place = getSelectedPlace(),
country = Ox.getCountryByGeoname(place.geoname);
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Ox.extend(place, data);
//Ox.print('addPlaceToPlaces, place name:', place.name)
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self.options.selected = place.id;
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place.countryCode = country ? country.code : '';
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Ox.Log('Map', 'addP2P', data, place);
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setPlaceControls(place);
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place.marker.update();
place.rectangle.update();
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self.places.push(place);
self.resultPlace = null;
that.triggerEvent('addplace', place)
}
function boundsChanged() {
setScale();
self.boundsChanged = true;
}
function canContain(outerBounds, innerBounds) {
// checks if outerBounds _can_ contain innerBounds
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var outerSpan = outerBounds.toSpan(),
innerSpan = innerBounds.toSpan();
return outerSpan.lat() > innerSpan.lat() &&
outerSpan.lng() > innerSpan.lng();
}
function centerChanged() {
var tooltip = $('.OxMapMarkerTooltip');
tooltip.length && Ox.UI.elements[$(tooltip[0]).data('oxid')].hide();
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self.center = self.map.getCenter();
self.centerChanged = true;
}
function changeZoom(data) {
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self.map.setZoom(data.value);
}
function clickMap(event) {
var place = getSelectedPlace();
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if (self.options.clickable/* && !editing()*/) {
getPlaceByLatLng(event.latLng, self.map.getBounds(), function(place) {
if (place) {
addPlaceToMap(place);
//selectPlace(place.id);
} else {
selectPlace(null);
}
});
} else {
pressEscape();
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}
}
function clickPlaceButton() {
var place = getSelectedPlace(),
title = self.$placeButton.options('title');
if (title == 'New Place') {
addPlaceToMap();
} else if (title == 'Add Place') {
addPlaceToPlaces();
}
}
function constructZoomInput() {
if (self.options.zoombar) {
self.$zoomInput && self.$zoomInput.remove();
self.$zoomInput = Ox.Range({
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arrows: true,
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changeOnDrag: true,
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max: self.maxZoom,
min: self.minZoom,
size: that.width(),
thumbSize: 32,
thumbValue: true,
value: self.map.getZoom()
})
.bindEvent({
change: changeZoom
})
.appendTo(self.$zoombar);
}
}
function crossesDateline() {
var bounds = self.map.getBounds();
return bounds.getSouthWest().lng() > bounds.getNorthEast().lng();
}
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function editing() {
var place = getSelectedPlace();
return place && place.editing;
}
function getElevation(point, callback) {
// fixme: unused
if (arguments.length == 1) {
callback = point;
point = self.map.getCenter();
}
self.elevationService.getElevationForLocations({
locations: [point]
}, function(data) {
callback(data.elevation);
});
}
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function getMapBounds(callback) {
// get initial map bounds
var mapBounds;
if (!self.isAsync) {
self.options.places.forEach(function(place, i) {
var bounds = getBounds(place);
mapBounds = i == 0 ? bounds : mapBounds.union(bounds);
});
callback(mapBounds);
} else {
self.options.places({}, function(result) {
callback(getBounds(result.data.area));
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});
}
function getBounds(place) {
return new google.maps.LatLngBounds(
new google.maps.LatLng(place.south, place.west),
new google.maps.LatLng(place.north, place.east)
);
}
}
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function getMapHeight() {
return self.options.height
- self.options.statusbar * 24
- self.options.toolbar * 24
- self.options.zoombar * 16;
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}
function getMapType() {
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return self.options.showLabels ? 'HYBRID' : 'SATELLITE'
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}
function getMaxZoom(point, callback) {
if (arguments.length == 1) {
callback = point;
point = self.map.getCenter();
}
self.maxZoomService.getMaxZoomAtLatLng(point, function(data) {
callback(data.status == 'OK' ? data.zoom : null);
});
}
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function getMetersPerPixel() {
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// m/px = m/deg * deg/px
var degreesPerPixel = 360 / (Ox.MAP_TILE_SIZE * Math.pow(2, self.map.getZoom()));
return Ox.getMetersPerDegree(self.map.getCenter().lat()) * degreesPerPixel;
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}
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function getMinZoom() {
return self.mapHeight > 1024 ? 3
: self.mapHeight > 512 ? 2
: self.mapHeight > 256 ? 1
: 0;
// fixme: there must be a function for this...
/*
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return Math.ceil(
Ox.log(self.mapHeight / Ox.MAP_TILE_SIZE, 2)
);
*/
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}
function getPlaceById(id) {
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return self.resultPlace && self.resultPlace.id == id
? self.resultPlace
: Ox.getObjectById(self.places, id);
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}
function getPlaceByLatLng(latlng, bounds, callback) {
// gets the largest place at latlng that would fit in bounds
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var callback = arguments.length == 3 ? callback : bounds,
bounds = arguments.length == 3 ? bounds : null;
self.geocoder.geocode({
latLng: latlng
}, function(results, status) {
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//Ox.Log('Map', 'results', results)
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var length = results.length;
if (status == google.maps.GeocoderStatus.OK) {
if (bounds) {
Ox.forEach(results.reverse(), function(result, i) {
if (
i == length - 1 ||
canContain(bounds, result.geometry.bounds || result.geometry.viewport)
) {
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callback(new Ox.MapPlace(parseGeodata(results[i])));
return false;
}
});
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} else {
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callback(new Ox.MapPlace(parseGeodata(results[0])));
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}
}
if (
status == google.maps.GeocoderStatus.OK ||
status == google.maps.GeocoderStatus.ZERO_RESULTS
) {
triggerGeocodeEvent({
latLng: latlng,
results: results
});
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} else {
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Ox.Log('Map', 'geocode failed:', status);
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callback(null);
}
});
}
function getPlaceByName(name, callback) {
self.geocoder.geocode({
address: name
}, function(results, status) {
if (status == google.maps.GeocoderStatus.OK) {
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callback(new Ox.MapPlace(parseGeodata(results[0])));
}
if (
status == google.maps.GeocoderStatus.OK
&& status != google.maps.GeocoderStatus.ZERO_RESULTS
) {
triggerGeocodeEvent({
address: name,
results: results
});
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} else {
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Ox.Log('Map', 'geocode failed:', status);
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callback(null);
}
});
}
function getPositionByName(name) {
var position = -1;
Ox.forEach(self.options.places, function(place, i) {
if (place.name == name) {
position = i;
return false;
}
});
return position;
}
function getSelectedMarker() {
// needed in case self.options.selected
// is changed from outside
var id = null;
if (self.resultPlace && self.resultPlace.selected) {
id = self.resultPlace.id;
} else {
Ox.forEach(self.places, function(place) {
if (place.selected) {
id = place.id;
return false;
}
});
}
return id;
}
function getSelectedPlace() {
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return self.options.selected
? getPlaceById(self.options.selected)
: null;
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}
function initMap() {
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getMapBounds(function(mapBounds) {
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//Ox.Log('Map', 'init', mapBounds.getSouthWest(), mapBounds.getNorthEast(), mapBounds.getCenter())
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self.elevationService = new google.maps.ElevationService();
self.geocoder = new google.maps.Geocoder();
self.maxZoomService = new google.maps.MaxZoomService();
self.center = mapBounds ? mapBounds.getCenter() : new google.maps.LatLng(0, 0);
self.zoom = self.minZoom;
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that.map = self.map = new google.maps.Map(self.$map.$element[0], {
center: self.center,
disableDefaultUI: true,
disableDoubleClickZoom: true,
mapTypeId: google.maps.MapTypeId[getMapType()],
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noClear: true,
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scrollwheel: !self.options.zoomOnlyWhenFocused,
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zoom: self.zoom
});
google.maps.event.addListener(self.map, 'bounds_changed', boundsChanged);
google.maps.event.addListener(self.map, 'center_changed', centerChanged);
google.maps.event.addListener(self.map, 'click', clickMap);
google.maps.event.addListener(self.map, 'idle', mapChanged);
google.maps.event.addListener(self.map, 'zoom_changed', zoomChanged);
google.maps.event.addListenerOnce(self.map, 'tilesloaded', tilesLoaded);
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google.maps.event.trigger(self.map, 'resize');
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// needed to get mouse x/y coordinates on marker mouseover,
// see http://code.google.com/p/gmaps-api-issues/issues/detail?id=2342
that.overlayView = new google.maps.OverlayView();
that.overlayView.setMap(self.map);
that.overlayView.draw = function () {
if (!this.ready) {
this.ready = true;
google.maps.event.trigger(this, 'ready');
}
}
that.overlayView.draw();
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addPlaces();
Ox.forEach(self.$controls, function($control) {
$control.appendTo(self.$map);
});
Ox.forEach(self.$placeControls, function($placeControl) {
$placeControl.appendTo(self.$map);
});
if (self.options.find) {
self.$findInput
.value(self.options.find)
.triggerEvent('submit', {value: self.options.find});
} else {
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if (self.options.selected) {
selectPlace(self.options.selected, true);
}
if (mapBounds) {
if (isEmpty(mapBounds)) {
self.map.setZoom(self.minZoom);
} else {
self.map.fitBounds(mapBounds);
}
}
if (self.map.getZoom() < self.minZoom) {
self.map.setZoom(self.minZoom);
}
}
updateFormElements();
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//that.gainFocus();
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self.loaded = true;
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that.triggerEvent('load');
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function tilesLoaded() {
setTimeout(formatTerms, 250);
}
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});
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}
function isEmpty(bounds) {
// Google's bounds.isEmpty() is not reliable
var southWest = bounds.getSouthWest(),
northEast = bounds.getNorthEast();
return southWest.lat() == northEast.lat()
&& southWest.lng() == northEast.lng();
}
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function formatTerms() {
setTimeout(function() {
var $element;
try {
$element = $(self.$map.find('a[href$="terms_maps.html"]').parent()).css({
color: 'rgb(192, 192, 192)',
textShadow: '1px 1px 0 rgb(64, 64, 64)'
});
['moz', 'o', 'webkit'].forEach(function(browser) {
$element.css({
backgroundImage: '-' + browser
+ '-linear-gradient(left, rgba(255, 255, 255, 0) 0px, rgba(255, 255, 255, 0.1) 50px)',
});
});
$element.children().css({color: 'rgb(192, 192, 192)'});
} catch (e) {}
}, 0);
}
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function mapChanged() {
// gets called after panning or zooming
//Ox.print('Map', 'mapChanged');
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if (self.boundsChanged) {
var bounds = self.map.getBounds(),
southWest = bounds.getSouthWest(),
northEast = bounds.getNorthEast(),
south = southWest.lat(),
west = southWest.lng(),
north = northEast.lat(),
east = northEast.lng();
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if (!self.isAsync) {
self.places.sort(function(a, b) {
var sort = {
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a: a.selected ? Infinity
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: bounds.contains(a.center) ? a.area
: -Infinity,
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b: b.selected ? Infinity
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: bounds.contains(b.center) ? b.area
: -Infinity,
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};
return sort.b - sort.a;
}).forEach(function(place, i) {
if (i < self.options.maxMarkers && !place.visible) {
place.add();
} else if (i >= self.options.maxMarkers && place.visible) {
place.remove();
}
});
} else {
self.options.places({
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keys: self.placeKeys,
query: {
conditions: Ox.merge([
{key: 'lat', value: [south, north], operator: '='}
], spansGlobe() ? [
{key: 'lng', value: [-180, 180], operator: '='}
] : crossesDateline() ? [
{key: 'lng', value: [east, west], operator: '!='}
] : [
{key: 'lng', value: [west, east], operator: '='}
]),
operator: '&'
},
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range: [0, self.options.maxMarkers],
sort: [{key: 'area', operator: '-'}]
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}, function(result) {
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Ox.Log('Map', 'RESULT', result)
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var ids = [];
result.data.items.forEach(function(item, i) {
var place = getPlaceById(item.id);
if (!place) {
self.places.push(
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new Ox.MapPlace(Ox.extend({
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map: that
}, item)).add()
);
} else if (!place.visible) {
place.add();
}
ids.push(item.id);
});
self.places.forEach(function(place) {
if (
!place.selected && place.visible
&& ids.indexOf(place.id) == -1
) {
place.remove();
}
});
});
}
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self.boundsChanged = false;
}
if (self.centerChanged) {
getMaxZoom(function(zoom) {
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if (zoom && zoom != self.maxZoom) {
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self.maxZoom = zoom;
if (self.map.getZoom() > zoom) {
self.map.setZoom(zoom);
}
constructZoomInput();
}
});
self.centerChanged = false;
}
if (self.zoomChanged) {
self.zoomChanged = false;
}
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formatTerms();
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}
function pan(x, y) {
self.map.panBy(x * self.$map.width() / 2, y * self.$map.height() / 2);
};
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function panToPlace() {
var place = getSelectedPlace();
place && self.map.panTo(place.center);
}
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function parseGeodata(data) {
var bounds = data.geometry.bounds || data.geometry.viewport,
northEast = bounds.getNorthEast(),
southWest = bounds.getSouthWest(),
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place = {
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alternativeNames: [],
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components: data.address_components,
countryCode: getCountryCode(data.address_components),
east: northEast.lng(),
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editable: self.options.editable,
fullGeoname: getFullGeoname(data.address_components),
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id: '_' + Ox.encodeBase32(Ox.uid()),
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map: that,
north: northEast.lat(),
south: southWest.lat(),
type: getType(data.address_components[0].types),
west: southWest.lng()
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};
place.geoname = data.formatted_address || place.fullGeoname;
place.name = (place.geoname || place.fullGeoname).split(', ')[0];
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if (Math.abs(place.west) == 180 && Math.abs(place.east) == 180) {
place.west = -179.99999999;
place.east = 179.99999999;
}
place.south = Ox.limit(place.south, Ox.MIN_LATITUDE, Ox.MAX_LATITUDE - 0.00000001);
place.north = Ox.limit(place.north, Ox.MIN_LATITUDE + 0.00000001, Ox.MAX_LATITUDE);
2011-04-22 22:03:10 +00:00
function getCountryCode(components) {
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var countryCode = '';
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Ox.forEach(components, function(component) {
if (component.types.indexOf('country') > -1) {
countryCode = component.short_name;
return false;
}
});
return countryCode;
}
function getFullGeoname(components) {
var country = false;
return components.map(function(component, i) {
var name = component.long_name;
if (i && components[i - 1].types.indexOf('country') > -1) {
country = true;
}
return !country && (
i == 0 || name != components[i - 1].long_name
) ? name : null;
}).join(', ');
}
function getType(types) {
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Ox.Log('Map', 'getType', types)
// see http://code.google.com/apis/maps/documentation/javascript/services.html#GeocodingAddressTypes
var strings = {
'country': ['country'],
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'region': ['administrative_area', 'colloquial_area'],
'city': ['locality'],
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'borough': ['neighborhood', 'postal_code', 'sublocality'],
'street': [
'intersection', 'route',
'street_address', 'street_number'
],
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'building': [
'airport', 'establishment', 'floor',
'premise', 'room', 'subpremise'
]
},
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type = 'feature';
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function find(type) {
var ret;
Ox.forEach(types, function(v) {
ret = Ox.startsWith(v, type);
return !ret;
});
return ret;
}
Ox.forEach(strings, function(values, key) {
Ox.forEach(values, function(value) {
if (find(value)) {
type = key;
return false;
}
});
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return type == 'feature';
});
return type;
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}
return place;
}
function pressEnter() {
var place = getSelectedPlace();
if (place) {
if (place.editing) {
place.submit();
} else {
place.edit();
}
} else if (self.resultPlace) {
selectPlace(self.resultPlace.id)
}
}
function pressEscape() {
var place = getSelectedPlace();
if (place) {
if (place.editing) {
place.cancel();
} else {
selectPlace(null);
}
} else if (self.resultPlace) {
self.resultPlace.remove();
self.resultPlace = null;
}
}
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// fixme: removePlacefromMap?
2011-05-24 08:40:17 +00:00
function removePlace() {
var place = getSelectedPlace();
place.id = '_' + place.id;
self.options.selected = place.id;
self.places.splice(Ox.getIndexById(self.places, place.id), 1);
self.resultPlace && self.resultPlace.remove();
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self.resultPlace = place;
//Ox.print('removed place, place is now', place);
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place.marker.update();
place.rectangle.update();
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}
function reset() {
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self.map.getZoom() == self.zoom
? self.map.panTo(self.center)
: self.map.fitBounds(self.bounds);
2011-04-22 22:03:10 +00:00
}
function selectPlace(id, zoom) {
//Ox.print('SELECT PLACE', id)
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// id can be null (deselect)
var place, selected = getSelectedMarker();
if (!self.loaded) {
setTimeout(function() {
selectPlace(id, zoom)
}, 1000);
} else {
Ox.Log('Map', 'Ox.Map selectPlace()', id, selected);
if (id != selected) {
place = getPlaceById(selected);
place && place.deselect();
if (id !== null) {
place = getPlaceById(id);
if (place) {
select();
} else {
// async && place doesn't exist yet
self.options.places({
keys: self.placeKeys,
query: {
conditions: [
{key: 'id', value: id, operator: '=='}
],
operator: '&'
}
}, function(result) {
if (result.data.items.length) {
place = new Ox.MapPlace(Ox.extend({
map: that
}, result.data.items[0])).add();
self.places.push(place);
select();
if (zoom) {
zoomToPlace();
} else {
panToPlace();
}
}
});
}
} else {
place = null;
select();
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}
}
}
function select() {
//Ox.print('select...', place)
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place && place.select();
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self.options.selected = id;
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setPlaceControls(place);
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setStatus();
that.triggerEvent('selectplace', place);
// FIXME: all these events should rather pass {place: place}
2011-04-22 22:03:10 +00:00
}
};
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function setPlaceControls(place) {
var $placeControls = that.$element.find('.OxPlaceControl'),
isVisible = self.$placeControls.name.is(':visible');
if (place) {
self.$placeControls.flag.empty().append(
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$('<img>').attr({
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src: Ox.getFlagByGeoname(place.geoname, 16)
2011-10-31 11:29:59 +00:00
})
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).show();
2012-02-20 18:31:45 +00:00
self.$placeControls.name.options({
title: place.name ||'<span class="OxLight">Unnamed</span>'
});
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!isVisible && $placeControls.show().animate({opacity: 1}, 250);
} else {
isVisible && $placeControls.animate({opacity: 0}, 250, function() {
$placeControls.hide();
});
}
}
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function setScale() {
var metersPerPixel = getMetersPerPixel();
Ox.forEach(self.scaleMeters, function(meters) {
var scaleWidth = Math.round(meters / metersPerPixel);
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if (scaleWidth <= self.options.width / 2 - 4) {
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self.$controls.scale
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.options({
title: '\u2190 ' + (
meters > 1000 ? Ox.formatNumber(meters / 1000) + ' k' : meters + ' '
) + 'm \u2192'
})
.css({
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width: (scaleWidth - 16) + 'px'
2011-04-22 22:03:10 +00:00
})
return false;
}
});
}
function setStatus() {
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//Ox.Log('Map', 'setStatus()', self.options.selected)
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var code, country, disabled, place, title;
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if (self.options.statusbar) {
place = getSelectedPlace();
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country = place ? Ox.getCountryByGeoname(place.geoname) : '';
code = country ? country.code : 'NTHH';
disabled = place && !place.editable;
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if (place) {
title = place.id[0] == '_' ? 'Add Place' : 'Remove Place';
} else {
title = 'New Place';
}
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self.$placeFlag.attr({
src: Ox.PATH + 'Ox.Geo/png/icons/16/' + code + '.png'
});
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self.$placeNameInput.options({
disabled: disabled,
value: place ? place.name : ''
});
self.$placeGeonameInput.options({
disabled: disabled,
value: place ? place.geoname : ''
});
self.$placeButton.options({
disabled: disabled,
title: title
});
}
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//Ox.Log('Map', 'STATUS DONE');
2011-04-22 22:03:10 +00:00
}
function spansGlobe() {
// fixme: or self.options.width ??
return self.$map.width() > Ox.MAP_TILE_SIZE * Math.pow(2, self.map.getZoom());
};
function submitFind(data) {
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self.options.find = data.value;
if (data.value === '') {
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if (self.options.selected && self.options.selected[0] == '_') {
selectPlace(null);
}
} else {
that.findPlace(data.value, function(place) {
setStatus(place);
});
}
2011-04-22 22:03:10 +00:00
}
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function toggleControls() {
// fixme: that.find() doesn't work here
var $controls = that.$element.find('.OxMapControl');
self.options.showControls = !self.options.showControls;
if (self.options.showControls) {
$controls.show().animate({opacity: 1}, 250);
} else {
$controls.animate({opacity: 0}, 250, function() {
$controls.hide();
});
}
that.triggerEvent('togglecontrols', {
visible: self.options.showControls
});
}
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function toggleLabels() {
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self.options.showLabels = !self.options.showLabels;
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self.map.setMapTypeId(google.maps.MapTypeId[getMapType()]);
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that.triggerEvent('togglelabels', {
visible: self.options.showLabels
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});
}
function triggerGeocodeEvent(data) {
// someone may want to cache google geocode data, so we fire an event.
// google puts functions like lat or lng on the objects' prototypes,
// so we create properly named properties, for json encoding
if (data.latLng) {
data.latLng = {
lat: data.latLng.lat(),
lng: data.latLng.lng()
}
}
data.results.forEach(function(result) {
['bounds', 'viewport'].forEach(function(key) {
if (result.geometry[key]) {
result.geometry[key] = {
northEast: {
lat: result.geometry[key].getNorthEast().lat(),
lng: result.geometry[key].getNorthEast().lng()
},
southWest: {
lat: result.geometry[key].getSouthWest().lat(),
lng: result.geometry[key].getSouthWest().lng()
}
}
}
});
if (result.geometry.location) {
result.geometry.location = {
lat: result.geometry.location.lat(),
lng: result.geometry.location.lng()
}
}
});
that.triggerEvent('geocode', data);
}
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function undo() {
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Ox.Log('Map', 'Map undo')
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var place = getSelectedPlace();
place.editing && place.undo();
}
function updateFormElements() {
var width = that.width();
if (self.options.zoombar) {
getMaxZoom(function(zoom) {
self.maxZoom = zoom;
constructZoomInput();
});
}
2011-05-22 17:12:21 +00:00
if (self.options.statusbar) {
self.$placeNameInput.options({
width: Math.floor((width - 132) / 2)
});
self.$placeGeonameInput.options({
width: Math.ceil((width - 132) / 2)
});
}
2011-04-22 22:03:10 +00:00
}
function zoom(z) {
self.map.setZoom(self.map.getZoom() + z);
}
function zoomChanged() {
var zoom = self.map.getZoom();
if (zoom < self.minZoom) {
self.map.setZoom(self.minZoom);
} else if (self.maxZoom && zoom > self.maxZoom) {
self.map.setZoom(self.maxZoom);
} else {
self.zoomChanged = true;
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self.$zoomInput && self.$zoomInput.value(zoom);
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that.triggerEvent('zoom', {
value: zoom
});
}
}
function zoomToPlace() {
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var place = getSelectedPlace();
place && self.map.fitBounds(place.bounds);
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}
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self.setOption = function(key, value) {
if (key == 'find') {
self.$findInput
.value(self.options.find)
.triggerEvent('submit', {value: self.options.find});
} else if (key == 'height' || key == 'width') {
that.$element.css(key, value + 'px');
that.resizeMap();
} else if (key == 'places') {
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// fixme: assumes !self.isAsync
//Ox.print('MAP SET OPTIONS PLACES', value);
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addPlaces();
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getMapBounds(function(mapBounds) {
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if (mapBounds) {
self.map.fitBounds(mapBounds);
} else {
self.map.setZoom(self.minZoom);
self.map.setCenter(new google.maps.LatLng(0, 0));
}
// fixme: the following is just a guess
self.boundsChanged = true;
mapChanged();
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});
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if (self.options.selected) {
if (getSelectedPlace()) {
selectPlace(self.options.selected);
} else {
self.options.selected = '';
}
}
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} else if (key == 'selected') {
selectPlace(value || null);
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} else if (key == 'type') {
}
};
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that.addPlace = function(data) {
addPlaceToPlaces(data);
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};
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that.getKey = function() {
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return self.shiftKey ? 'shift'
: self.metaKey ? 'meta'
: null;
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};
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that.getSelectedPlace = function() {
return getSelectedPlace();
}
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that.editPlace = function() {
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getSelectedPlace().edit();
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return that;
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};
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that.findPlace = function(name, callback) {
getPlaceByName(name, function(place) {
if (place) {
addPlaceToMap(place);
self.map.fitBounds(place.bounds);
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} else {
name && self.$findInput.addClass('OxError');
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}
callback(place);
});
return that;
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};
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that.newPlace = function(place) {
addPlaceToMap(place);
return that;
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};
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that.panToPlace = function() {
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panToPlace();
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return that;
};
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that.removePlace = function() {
// fixme: removePlaceFromPlaces() ?
removePlace();
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return that;
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};
that.resizeMap = function() {
// keep center on resize has been commented out
// var center = self.map.getCenter();
self.options.height = that.$element.height();
self.options.width = that.$element.width();
// check if map has initialized
if (self.map) {
self.mapHeight = getMapHeight();
self.minZoom = getMinZoom();
if (self.minZoom > self.map.getZoom()) {
self.map.setZoom(self.minZoom);
}
self.$map.css({
height: self.mapHeight + 'px',
width: self.options.width + 'px'
});
self.options.zoombar && self.$zoomInput.options({
size: self.options.width
});
updateFormElements();
Ox.Log('Map', 'triggering google maps resize event, height', self.options.height)
google.maps.event.trigger(self.map, 'resize');
// self.map.setCenter(center);
}
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return that;
}
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that.value = function(id, key, value) {
// fixme: should be like the corresponding List/TextList/etc value function
Ox.Log('Map', 'Map.value', id, key, value);
getPlaceById(id).options(key, value);
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if (id == self.options.selected) {
if (key == 'name') {
self.$placeControls.name.options({title: value});
} else if (key == 'geoname') {
self.$placeControls.flag.empty().append(
$('<img>').attr({
src: Ox.getFlagByGeoname(value, 16)
})
);
}
}
return that;
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}
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that.zoomToPlace = function() {
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zoomToPlace();
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return that;
};
that.zoom = function(value) {
zoom(value);
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return that;
};
return that;
};