openstreetmap-website/app/assets/javascripts/leaflet.layers.js
2013-08-05 08:32:43 -07:00

166 lines
4 KiB
JavaScript

L.OSM.layers = function(options) {
var control = L.control(options);
control.onAdd = function (map) {
var layers = options.layers;
var $container = $('<div>')
.attr('class', 'control-layers');
var button = $('<a>')
.attr('class', 'control-button')
.attr('href', '#')
.attr('title', 'Layers')
.html('<span class="icon layers"></span>')
.on('click', toggle)
.appendTo($container);
var $ui = $('<div>')
.attr('class', 'layers-ui');
$('<div>')
.attr('class', 'sidebar_heading')
.appendTo($ui)
.append(
$('<a>')
.text(I18n.t('javascripts.close'))
.attr('class', 'sidebar_close')
.attr('href', '#')
.bind('click', toggle))
.append(
$('<h4>')
.text(I18n.t('javascripts.map.layers.header')));
var baseSection = $('<div>')
.attr('class', 'section base-layers')
.appendTo($ui);
list = $('<ul>')
.appendTo(baseSection);
layers.forEach(function(layer) {
var item = $('<li>')
.appendTo(list);
if (map.hasLayer(layer)) {
item.addClass('active');
}
var div = $('<div>')
.appendTo(item);
map.whenReady(function() {
var miniMap = L.map(div[0], {attributionControl: false, zoomControl: false})
.addLayer(new layer.constructor());
miniMap.dragging.disable();
miniMap.touchZoom.disable();
miniMap.doubleClickZoom.disable();
miniMap.scrollWheelZoom.disable();
$ui
.on('show', shown)
.on('hide', hide);
function shown() {
miniMap.invalidateSize();
setView({animate: false});
map.on('moveend', moved);
}
function hide() {
map.off('moveend', moved);
}
function moved() {
setView();
}
function setView(options) {
miniMap.setView(map.getCenter(), Math.max(map.getZoom() - 2, 0), options);
}
});
var label = $('<label>')
.appendTo(item);
var input = $('<input>')
.attr('type', 'radio')
.prop('checked', map.hasLayer(layer))
.appendTo(label);
label.append(layer.options.name);
item.on('click', function() {
layers.forEach(function(other) {
if (other === layer) {
map.addLayer(other);
} else {
map.removeLayer(other);
}
});
map.fire('baselayerchange', {layer: layer});
});
map.on('layeradd layerremove', function() {
item.toggleClass('active', map.hasLayer(layer));
input.prop('checked', map.hasLayer(layer));
});
});
if (OSM.STATUS != 'api_offline' && OSM.STATUS != 'database_offline') {
var overlaySection = $('<div>')
.attr('class', 'section overlay-layers')
.appendTo($ui);
$('<p>')
.text(I18n.t('javascripts.map.layers.overlays'))
.appendTo(overlaySection);
var list = $('<ul>')
.appendTo(overlaySection);
function addOverlay(layer, name) {
var item = $('<li>')
.appendTo(list);
var label = $('<label>')
.appendTo(item);
var input = $('<input>')
.attr('type', 'checkbox')
.prop('checked', map.hasLayer(layer))
.appendTo(label);
label.append(name);
input.on('change', function() {
if (input.is(':checked')) {
map.addLayer(layer);
} else {
map.removeLayer(layer);
}
});
map.on('layeradd layerremove', function() {
input.prop('checked', map.hasLayer(layer));
});
}
addOverlay(map.noteLayer, I18n.t('javascripts.map.layers.notes'));
addOverlay(map.dataLayer, I18n.t('javascripts.map.layers.data'));
}
options.sidebar.addPane($ui);
function toggle(e) {
e.stopPropagation();
e.preventDefault();
options.sidebar.togglePane($ui, button);
}
return $container[0];
};
return control;
};