Improve formatting

[rails.git] / app / assets / javascripts / index / history.js

diff --git a/app/assets/javascripts/index/history.js b/app/assets/javascripts/index/history.js
index afae6640f87b566d8ab210bacbe18f3d8ce6b58a..9babb6e3225689d6854a783620324c20d9d69dfd 100644 (file)
--- a/app/assets/javascripts/index/history.js
+++ b/app/assets/javascripts/index/history.js
@@ -1,3 +1,5 @@
+//= require jquery.simulate
+
 OSM.History = function(map) {
   var page = {};
 
@@ -9,8 +11,15 @@ OSM.History = function(map) {
     .on("mouseout", "[data-changeset]", function () {
       unHighlightChangeset($(this).data("changeset").id);
     })
-    .on("click", "[data-changeset]", function () {
-      clickChangeset($(this).data("changeset").id);
+    .on("mousedown", "[data-changeset]", function () {
+      var moved = false;
+      $(this).one("click", function (e) {
+        if (!moved && !$(e.target).is('a')) {
+          clickChangeset($(this).data("changeset").id, e);
+        }
+      }).one("mousemove", function () {
+        moved = true;
+      });
     });
 
   var group = L.featureGroup()
@@ -21,7 +30,7 @@ OSM.History = function(map) {
       unHighlightChangeset(e.layer.id);
     })
     .on("click", function (e) {
-      clickChangeset(e.layer.id);
+      clickChangeset(e.layer.id, e);
     });
 
   group.getLayerId = function(layer) {
@@ -38,20 +47,31 @@ OSM.History = function(map) {
     $("#changeset_" + id).removeClass("selected");
   }
 
-  function clickChangeset(id) {
-    OSM.route($("#changeset_" + id).find(".changeset_id").attr("href"));
+  function clickChangeset(id, e) {
+    $("#changeset_" + id).find("a.changeset_id").simulate("click", e);
   }
 
-  function loadData() {
+  function update() {
+    var data = {list: '1'};
+
+    if (window.location.pathname === '/history') {
+      data.bbox = map.getBounds().wrap().toBBoxString();
+    }
+
     $.ajax({
       url: window.location.pathname,
       method: "GET",
-      data: {bbox: map.getBounds().toBBoxString()},
-      success: function(html, status, xhr) {
+      data: data,
+      success: function(html) {
         $('#sidebar_content .changesets').html(html);
         updateMap();
       }
     });
+
+    var feedLink = $('link[type="application/atom+xml"]'),
+      feedHref = feedLink.attr('href').split('?')[0];
+
+    feedLink.attr('href', feedHref + '?bbox=' + data.bbox);
   }
 
   function loadMore(e) {
@@ -77,9 +97,25 @@ OSM.History = function(map) {
     $("[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]);
+        var latWidth = changeset.bbox.maxlat - changeset.bbox.minlat,
+            lonWidth = changeset.bbox.maxlon - changeset.bbox.minlon,
+            minLatWidth = 0.0004,
+            minLonWidth = 0.0008;
+
+        var bounds = [[changeset.bbox.minlat, changeset.bbox.minlon],
+                      [changeset.bbox.maxlat, changeset.bbox.maxlon]];
+
+        if (latWidth < minLatWidth) {
+          bounds[0][0] -= ((minLatWidth - latWidth) / 2);
+          bounds[1][0] += ((minLatWidth - latWidth) / 2);
+        }
+
+        if (lonWidth < minLonWidth) {
+          bounds[0][1] -= ((minLonWidth - lonWidth) / 2);
+          bounds[1][1] += ((minLonWidth - lonWidth) / 2);
+        }
+
+        changeset.bounds = L.latLngBounds(bounds);
         changesets.push(changeset);
       }
     });
@@ -91,10 +127,15 @@ OSM.History = function(map) {
     for (var i = 0; i < changesets.length; ++i) {
       var changeset = changesets[i],
         rect = L.rectangle(changeset.bounds,
-          {weight: 1, color: "#FF9500", opacity: 1, fillColor: "#FFFFBF", fillOpacity: 0});
+          {weight: 2, color: "#FF9500", opacity: 1, fillColor: "#FFFFBF", fillOpacity: 0});
       rect.id = changeset.id;
       rect.addTo(group);
     }
+
+    if (window.location.pathname !== '/history') {
+      var bounds = group.getBounds();
+      if (bounds.isValid()) map.fitBounds(bounds);
+    }
   }
 
   page.pushstate = page.popstate = function(path) {
@@ -103,19 +144,19 @@ OSM.History = function(map) {
   };
 
   page.load = function() {
-    map
-      .on("moveend", loadData)
-      .addLayer(group);
+    map.addLayer(group);
 
-    loadData();
+    if (window.location.pathname === '/history') {
+      map.on("moveend", update);
+    }
+
+    update();
   };
 
   page.unload = function() {
-    map
-      .off("moveend", loadData)
-      .removeLayer(group);
+    map.removeLayer(group);
+    map.off("moveend", update);
 
-    group.clearLayers();
     $("#history_tab").removeClass("current");
   };