Add/remove active class on map UI buttons

[rails.git] / app / assets / javascripts / leaflet.layers.js

diff --git a/app/assets/javascripts/leaflet.layers.js b/app/assets/javascripts/leaflet.layers.js
index ce0fcd9f329efc1dc220b81565945cc2e26497cc..a364588c1dfe073f7778f0390df016b9bdc488fc 100644 (file)
--- a/app/assets/javascripts/leaflet.layers.js
+++ b/app/assets/javascripts/leaflet.layers.js
@@ -1,68 +1,166 @@
-//= require templates/map/layers
-
-L.OSM.Layers = L.Control.extend({
-  onAdd: function (map) {
-    this._map = map;
-    this._initLayout(map);
-    return this._container;
-  },
-
-  _initLayout: function (map) {
-    var className = 'leaflet-control-map-ui',
-      container = this._container = L.DomUtil.create('div', className);
-
-    var link = this._layersLink = L.DomUtil.create('a', 'leaflet-map-ui-layers', container);
-    link.href = '#';
-    link.title = 'Layers';
-
-    this._uiPane = this.options.uiPane;
-
-    $(link).on('click', $.proxy(this.toggleLayers, this));
-  },
-
-  toggleLayers: function (e) {
-    e.stopPropagation();
-    e.preventDefault();
+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 controlContainer = $('.leaflet-control-container .leaflet-top.leaflet-right');
+      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);
 
-    if ($(this._uiPane).is(':visible')) {
-      $(this._uiPane).hide();
-      controlContainer.css({paddingRight: '0'});
-    } else {
-      $(this._uiPane)
-        .show()
-        .html(JST["templates/map/layers"]());
+        var label = $('<label>')
+          .appendTo(item);
 
-      var list = $(this._uiPane).find('.base-layers ul');
+        var input = $('<input>')
+          .attr('type', 'checkbox')
+          .prop('checked', map.hasLayer(layer))
+          .appendTo(label);
 
-      var layers = this.options.layers;
-      for (var i = 0; i < layers.length; i++) {
-        var item = $('<li></li>')
-          .appendTo(list);
+        label.append(name);
 
-        var div = $('<div></div>')
-            .appendTo(item);
+        input.on('change', function() {
+          if (input.is(':checked')) {
+            map.addLayer(layer);
+          } else {
+            map.removeLayer(layer);
+          }
+        });
 
-        var map = L.map(div[0], {attributionControl: false, zoomControl: false})
-          .setView(this._map.getCenter(), Math.max(this._map.getZoom() - 2, 0))
-          .addLayer(new layers[i].layer.constructor);
+        map.on('layeradd layerremove', function() {
+          input.prop('checked', map.hasLayer(layer));
+        });
+      }
 
-        map.dragging.disable();
-        map.touchZoom.disable();
-        map.doubleClickZoom.disable();
-        map.scrollWheelZoom.disable();
+      addOverlay(map.noteLayer, I18n.t('javascripts.map.layers.notes'));
+      addOverlay(map.dataLayer, I18n.t('javascripts.map.layers.data'));
+    }
 
-        var label = $('<label></label>')
-          .text(layers[i].name)
-          .appendTo(item);
-      }
+    options.sidebar.addPane($ui);
 
-      controlContainer.css({paddingRight: '200px'});
+    function toggle(e) {
+      e.stopPropagation();
+      e.preventDefault();
+      options.sidebar.togglePane($ui, button);
     }
-  }
-});
 
-L.OSM.layers = function(options) {
-  return new L.OSM.Layers(options);
+    return $container[0];
+  };
+
+  return control;
 };