Add "Center map on marker" option

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

diff --git a/app/assets/javascripts/leaflet.share.js b/app/assets/javascripts/leaflet.share.js
index f085bc0e69ab9e0feefdaf0409e9295d6e995bdd..4264e56161f1c921b94163f3d8cf5a629da67963 100644 (file)
--- a/app/assets/javascripts/leaflet.share.js
+++ b/app/assets/javascripts/leaflet.share.js
@@ -1,58 +1,345 @@
-L.Control.Share = L.Control.extend({
-    options: {
-        position: 'topright',
-        title: 'Share',
-        url: function(map) {
-            return '';
-        }
-    },
+L.OSM.share = function (options) {
+  var control = L.control(options),
+    marker = L.marker([0, 0], {draggable: true}),
+    locationFilter = new L.LocationFilter({
+      enableButton: false,
+      adjustButton: false
+    });
+
+  control.onAdd = function (map) {
+    var $container = $('<div>')
+      .attr('class', 'control-share');
+
+    $('<a>')
+      .attr('class', 'control-button')
+      .attr('href', '#')
+      .attr('title', 'Share')
+      .html('<span class="icon share"></span>')
+      .on('click', toggle)
+      .appendTo($container);
+
+    var $ui = $('<div>')
+      .attr('class', 'share-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.share.title')));
+
+    // Link / Embed
+
+    var $linkSection = $('<div>')
+      .attr('class', 'section share-link')
+      .appendTo($ui);
+
+    $('<h4>')
+      .text(I18n.t('javascripts.share.link'))
+      .appendTo($linkSection);
+
+    var $form = $('<form>')
+      .attr('class', 'standard-form')
+      .appendTo($linkSection);
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('for', 'link_marker')
+          .append(
+            $('<input>')
+              .attr('id', 'link_marker')
+              .attr('type', 'checkbox')
+              .bind('change', toggleMarker))
+          .append(I18n.t('javascripts.share.include_marker')));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('for', 'center_marker')
+          .append(
+            $('<input>')
+              .attr('id', 'center_marker')
+              .attr('type', 'checkbox')
+              .prop('checked', true)
+              .bind('change', update))
+          .append(I18n.t('javascripts.share.center_marker')));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append($('<label>')
+        .attr('for', 'long_input')
+        .text(I18n.t('javascripts.share.long_link')))
+      .append($('<a>')
+        .attr('id', 'long_link')
+        .append($('<span>')
+          .attr('class', 'icon link')))
+      .append($('<input>')
+        .attr('id', 'long_input')
+        .attr('type', 'text')
+        .on('click', select));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append($('<label>')
+        .attr('for', 'short_input')
+        .text(I18n.t('javascripts.share.short_link')))
+      .append($('<a>')
+        .attr('id', 'short_link')
+        .append($('<span>')
+          .attr('class', 'icon link')))
+      .append($('<input>')
+        .attr('id', 'short_input')
+        .attr('type', 'text')
+        .on('click', select));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append($('<label>')
+        .attr('for', 'embed_html')
+        .text(I18n.t('javascripts.share.embed')))
+      .append(
+        $('<textarea>')
+          .attr('id', 'embed_html')
+          .on('click', select));

 
 

-    onAdd: function (map) {
-        var className = 'control-share',
-            container = L.DomUtil.create('div', className);
+    $('<p>')
+      .attr('class', 'deemphasize')
+      .text(I18n.t('javascripts.share.paste_html'))
+      .appendTo($linkSection);

 
 

-        var link = L.DomUtil.create('a', 'control-button', container);
-        link.innerHTML = "<span class='icon share'></span>";
-        link.href = '#';
-        link.title = this.options.title;
+    // Image

 
 

-        this._uiPane = this.options.uiPane;
+    var $imageSection = $('<div>')
+      .attr('class', 'section share-image')
+      .appendTo($ui);

 
 

-        var h2 = L.DomUtil.create('h2', '', this._uiPane);
-        h2.innerHTML = I18n.t('javascripts.share.title');
+    $('<h4>')
+      .text(I18n.t('javascripts.share.image'))
+      .appendTo($imageSection);

 
 

-        this._linkInput = L.DomUtil.create('input', '', this._uiPane);
+    $form = $('<form>')
+      .attr('class', 'standard-form')
+      .attr('action', '/export/finish')
+      .attr('method', 'post')
+      .appendTo($imageSection);

 
 

-        L.DomEvent
-            .on(link, 'click', L.DomEvent.stopPropagation)
-            .on(link, 'click', L.DomEvent.preventDefault)
-            .on(link, 'click', this._toggle, this)
-            .on(link, 'dblclick', L.DomEvent.stopPropagation);
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('for', 'image_filter')
+          .append(
+            $('<input>')
+              .attr('id', 'image_filter')
+              .attr('type', 'checkbox')
+              .bind('change', toggleFilter))
+          .append(I18n.t('javascripts.share.custom_dimensions')));

 
 

-        map.on('moveend layeradd layerremove', this._update, this);
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('class', 'standard-label')
+          .attr('for', 'mapnik_format')
+          .text(I18n.t('javascripts.share.format')))
+      .append($('<select>')
+        .attr('name', 'mapnik_format')
+        .attr('id', 'mapnik_format')
+        .append($('<option>').val('png').text('PNG').prop('selected', true))
+        .append($('<option>').val('jpeg').text('JPEG'))
+        .append($('<option>').val('svg').text('SVG'))
+        .append($('<option>').val('pdf').text('PDF')));

 
 

-        return container;
-    },
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append($('<label>')
+        .attr('class', 'standard-label')
+        .attr('for', 'mapnik_scale')
+        .text(I18n.t('javascripts.share.scale')))
+      .append('1 : ')
+      .append($('<input>')
+        .attr('name', 'mapnik_scale')
+        .attr('id', 'mapnik_scale')
+        .attr('type', 'text')
+        .on('change', update));

 
 

-    _update: function (e) {
-        var center = map.getCenter().wrap();
-        var layers = getMapLayers();
-        this._linkInput.value = this.options.getUrl(map);
-    },
+    ['minlon', 'minlat', 'maxlon', 'maxlat'].forEach(function(name) {
+      $('<input>')
+        .attr('id', 'mapnik_' + name)
+        .attr('name', name)
+        .attr('type', 'hidden')
+        .appendTo($form);
+    });

 
 

-    _toggle: function() {
-        var controlContainer = $('.leaflet-control-container .leaflet-top.leaflet-right');
+    $('<input>')
+      .attr('name', 'format')
+      .attr('value', 'mapnik')
+      .attr('type', 'hidden')
+      .appendTo($form);

 
 

-        if ($(this._uiPane).is(':visible')) {
-            $(this._uiPane).hide();
-            controlContainer.css({paddingRight: '0'});
-        } else {
-            $(this._uiPane).show();
-            controlContainer.css({paddingRight: '200px'});
+    $('<p>')
+      .attr('class', 'deemphasize')
+      .html(I18n.t('javascripts.share.image_size') + ' <span id="mapnik_image_width"></span> x <span id="mapnik_image_height"></span>')
+      .appendTo($form);
+
+    $('<input>')
+      .attr('type', 'submit')
+      .attr('value', I18n.t('javascripts.share.download'))
+      .appendTo($form);
+
+    locationFilter
+      .on('change', update)
+      .addTo(map);
+
+    map.on('moveend layeradd layerremove', update);
+    marker.on('dragend', update);
+
+    options.sidebar.addPane($ui);
+
+    $ui
+      .on('hide', hidden);
+
+    function hidden() {
+      map.removeLayer(marker);
+      locationFilter.disable();
+      update();
+    }
+
+    function toggle(e) {
+      e.stopPropagation();
+      e.preventDefault();
+
+      $('#mapnik_scale').val(getScale());
+      marker.setLatLng(map.getCenter());
+
+      update();
+      options.sidebar.togglePane($ui);
+    }
+
+    function toggleMarker() {
+      if ($(this).is(':checked')) {
+        marker.setLatLng(map.getCenter());
+        map.addLayer(marker);
+      } else {
+        map.removeLayer(marker);
+      }
+      update();
+    }
+
+    function toggleFilter() {
+      if ($(this).is(':checked')) {
+        if (!locationFilter.getBounds().isValid()) {
+          locationFilter.setBounds(map.getBounds().pad(-0.2));

         }
         }

+
+        locationFilter.enable();
+      } else {
+        locationFilter.disable();
+      }
+      update();
+    }
+
+    function update() {
+      if (map.hasLayer(marker) && $('#center_marker').is(':checked')) {
+        map.panTo(marker.getLatLng());
+      }
+
+      var bounds = map.getBounds();
+
+      $('#link_marker')
+        .prop('checked', map.hasLayer(marker));
+
+      $('#center_marker')
+        .prop('disabled', !map.hasLayer(marker));
+
+      $('#image_filter')
+        .prop('checked', locationFilter.isEnabled());
+
+      // Link / Embed
+
+      $('#short_input').val(map.getShortUrl(marker));
+      $('#long_input').val(map.getUrl(marker));
+      $('#short_link').attr('href', map.getShortUrl(marker));
+      $('#long_link').attr('href', map.getUrl(marker));
+
+      var params = {
+        bbox: bounds.toBBoxString(),
+        layer: map.getMapBaseLayerId()
+      };
+
+      if (map.hasLayer(marker)) {
+        params.marker = marker.getLatLng().lat + ',' + marker.getLatLng().lng;
+      }
+
+      $('#embed_html').val(
+        '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="' +
+          'http://' + OSM.SERVER_URL + '/export/embed.html?' + $.param(params) +
+          '" style="border: 1px solid black"></iframe><br/>' +
+          '<small><a href="' + map.getUrl(marker) + '</a></small>');
+
+      // Image
+
+      if (locationFilter.isEnabled()) {
+        bounds = locationFilter.getBounds();
+      }
+
+      var scale = $("#mapnik_scale").val(),
+        size = L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
+                        L.CRS.EPSG3857.project(bounds.getNorthEast())).getSize(),
+        maxScale = Math.floor(Math.sqrt(size.x * size.y / 0.3136));
+
+      $('#mapnik_minlon').val(bounds.getWest());
+      $('#mapnik_minlat').val(bounds.getSouth());
+      $('#mapnik_maxlon').val(bounds.getEast());
+      $('#mapnik_maxlat').val(bounds.getNorth());
+
+      if (scale < maxScale) {
+        scale = roundScale(maxScale);
+        $("#mapnik_scale").val(scale);
+      }
+
+      $("#mapnik_image_width").text(Math.round(size.x / scale / 0.00028));
+      $("#mapnik_image_height").text(Math.round(size.y / scale / 0.00028));

     }
     }

-});

 
 

-L.control.share = function(options) {
-    return new L.Control.Share(options);
+    function select() {
+      $(this).select();
+    }
+
+    function getScale() {
+      var bounds = map.getBounds(),
+        centerLat = bounds.getCenter().lat,
+        halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
+        meters = halfWorldMeters * (bounds.getEast() - bounds.getWest()) / 180,
+        pixelsPerMeter = map.getSize().x / meters,
+        metersPerPixel = 1 / (92 * 39.3701);
+      return Math.round(1 / (pixelsPerMeter * metersPerPixel));
+    }
+
+    function roundScale(scale) {
+      var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
+      return precision * Math.ceil(scale / precision);
+    }
+
+    return $container[0];
+  };
+
+  return control;

 };
 };