openstreetmap-website/app/assets/javascripts/index/history.js
2013-10-13 14:46:09 -07:00

125 lines
3 KiB
JavaScript

OSM.History = function(map) {
var page = {};
$("#sidebar_content")
.on("click", ".changeset_more a", loadMore)
.on("mouseover", "[data-changeset]", function () {
highlightChangeset($(this).data("changeset").id);
})
.on("mouseout", "[data-changeset]", function () {
unHighlightChangeset($(this).data("changeset").id);
})
.on("click", "[data-changeset]", function () {
clickChangeset($(this).data("changeset").id);
});
var group = L.featureGroup()
.on("mouseover", function (e) {
highlightChangeset(e.layer.id);
})
.on("mouseout", function (e) {
unHighlightChangeset(e.layer.id);
})
.on("click", function (e) {
clickChangeset(e.layer.id);
});
group.getLayerId = function(layer) {
return layer.id;
};
function highlightChangeset(id) {
group.getLayer(id).setStyle({fillOpacity: 0.5});
$("#changeset_" + id).addClass("selected");
}
function unHighlightChangeset(id) {
group.getLayer(id).setStyle({fillOpacity: 0});
$("#changeset_" + id).removeClass("selected");
}
function clickChangeset(id) {
OSM.route($("#changeset_" + id).find(".changeset_id").attr("href"));
}
function loadData() {
$.ajax({
url: window.location.pathname,
method: "GET",
data: {bbox: map.getBounds().toBBoxString()},
success: function(html) {
$('#sidebar_content .changesets').html(html);
updateMap();
}
});
}
function loadMore(e) {
e.preventDefault();
e.stopPropagation();
var div = $(this).parents(".changeset_more");
$(this).hide();
div.find(".loader").show();
$.get($(this).attr("href"), function(data) {
div.replaceWith(data);
updateMap();
});
}
function updateMap() {
group.clearLayers();
var changesets = [];
$("[data-changeset]").each(function () {
var changeset = $(this).data('changeset');
if (changeset.bbox) {
changeset.bounds = L.latLngBounds(
[changeset.bbox.minlat, changeset.bbox.minlon],
[changeset.bbox.maxlat, changeset.bbox.maxlon]);
changesets.push(changeset);
}
});
changesets.sort(function (a, b) {
return b.bounds.getSize() - a.bounds.getSize();
});
for (var i = 0; i < changesets.length; ++i) {
var changeset = changesets[i],
rect = L.rectangle(changeset.bounds,
{weight: 2, color: "#ee9900", fillColor: "#ffff55", fillOpacity: 0});
rect.id = changeset.id;
rect.addTo(group);
}
}
page.pushstate = page.popstate = function(path) {
$("#history_tab").addClass("current");
$("#sidebar").removeClass("minimized");
map.invalidateSize();
$("#sidebar_content").load(path, page.load);
};
page.load = function() {
map
.on("moveend", loadData)
.addLayer(group);
loadData();
};
page.unload = function() {
map
.off("moveend", loadData)
.removeLayer(group);
group.clearLayers();
$("#history_tab").removeClass("current");
};
return page;
};