openstreetmap-website/app/assets/javascripts/leaflet.key.js
2013-07-18 10:45:17 -07:00

74 lines
1.7 KiB
JavaScript

L.OSM.key = function (options) {
var control = L.control(options);
control.onAdd = function (map) {
var $container = $('<div>')
.attr('class', 'control-key');
$('<a>')
.attr('class', 'control-button')
.attr('href', '#')
.attr('title', I18n.t('javascripts.key.tooltip'))
.html('<span class="icon key"></span>')
.on('click', toggle)
.appendTo($container);
var $ui = $('<div>')
.attr('class', 'key-ui');
$('<header>')
.attr('class', 'sidebar_heading')
.appendTo($ui)
.append(
$('<a>')
.text(I18n.t('javascripts.close'))
.attr('class', 'sidebar_close')
.attr('href', '#')
.bind('click', toggle))
.append(
$('<h4>')
.text(I18n.t('javascripts.key.title')));
var $section = $('<section>')
.appendTo($ui);
options.sidebar.addPane($ui);
$ui
.on('show', shown)
.on('hide', hidden);
function shown() {
map.on('zoomend baselayerchange', update);
$section.load('/key', update);
}
function hidden() {
map.off('zoomend baselayerchange', update);
}
function toggle(e) {
e.stopPropagation();
e.preventDefault();
options.sidebar.togglePane($ui);
}
function update() {
var layer = map.getMapBaseLayerId(),
zoom = map.getZoom();
$('.mapkey-table-entry').each(function () {
var data = $(this).data();
if (layer == data.layer && zoom >= data.zoomMin && zoom <= data.zoomMax) {
$(this).show();
} else {
$(this).hide();
}
});
}
return $container[0];
};
return control;
};