X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/f4dba81b6460be14cacbe067956cb74b9743a18d..a2495c843ebf205d620e852ed9ab76ef250411b9:/public/javascripts/site.js diff --git a/public/javascripts/site.js b/public/javascripts/site.js index 43cca261c..840617e17 100644 --- a/public/javascripts/site.js +++ b/public/javascripts/site.js @@ -1,4 +1,3 @@ - /* * Called as the user scrolls/zooms around to aniplate hrefs of the * view tab and various other links @@ -10,7 +9,7 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj lat = Math.round(lat * decimals) / decimals; lon = Math.round(lon * decimals) / decimals; - node = document.getElementById("permalinkanchor"); + node = $("permalinkanchor"); if (node) { var args = getArgs(node.href); args["lat"] = lat; @@ -25,7 +24,7 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj node.href = setArgs(node.href, args); } - node = document.getElementById("viewanchor"); + node = $("viewanchor"); if (node) { var args = getArgs(node.href); args["lat"] = lat; @@ -37,7 +36,7 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj node.href = setArgs(node.href, args); } - node = document.getElementById("exportanchor"); + node = $("exportanchor"); if (node) { var args = getArgs(node.href); args["lat"] = lat; @@ -49,7 +48,7 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj node.href = setArgs(node.href, args); } - node = document.getElementById("editanchor"); + node = $("editanchor"); if (node) { if (zoom >= 13) { var args = new Object(); @@ -60,22 +59,63 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj args[objtype] = objid; } node.href = setArgs("/edit", args); - node.style.fontStyle = 'normal'; + node.title = i18n("javascripts.site.edit_tooltip"); + node.removeClassName("disabled"); } else { node.href = 'javascript:alert(i18n("javascripts.site.edit_zoom_alert"));'; - node.style.fontStyle = 'italic'; + node.title = i18n("javascripts.site.edit_disabled_tooltip"); + node.addClassName("disabled"); + } + } + + node = $("potlatchanchor"); + if (node) { + var args = new Object(); + args.editor = "potlatch"; + args.lat = lat; + args.lon = lon; + args.zoom = zoom; + if (objtype && objid) { + args[objtype] = objid; + } + node.href = setArgs("/edit", args); + } + + node = $("potlatch2anchor"); + if (node) { + var args = new Object(); + args.editor = "potlatch2"; + args.lat = lat; + args.lon = lon; + args.zoom = zoom; + if (objtype && objid) { + args[objtype] = objid; + } + node.href = setArgs("/edit", args); + } + + node = $("josmanchor"); + if (node) { + var args = new Object(); + args.editor = "josm"; + args.lat = lat; + args.lon = lon; + args.zoom = zoom; + if (objtype && objid) { + args[objtype] = objid; } + node.href = setArgs("/edit", args); } - node = document.getElementById("historyanchor"); + node = $("historyanchor"); if (node) { if (zoom >= 11) { var args = new Object(); //set bbox param from 'extents' object if (typeof minlon == "number" && - typeof minlat == "number" && - typeof maxlon == "number" && - typeof maxlat == "number") { + typeof minlat == "number" && + typeof maxlon == "number" && + typeof maxlat == "number") { minlon = Math.round(minlon * decimals) / decimals; minlat = Math.round(minlat * decimals) / decimals; @@ -85,14 +125,16 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj } node.href = setArgs("/history", args); - node.style.fontStyle = 'normal'; + node.title = i18n("javascripts.site.history_tooltip"); + node.removeClassName("disabled"); } else { node.href = 'javascript:alert(i18n("javascripts.site.history_zoom_alert"));'; - node.style.fontStyle = 'italic'; + node.title = i18n("javascripts.site.history_disabled_tooltip"); + node.addClassName("disabled"); } } - node = document.getElementById("shortlinkanchor"); + node = $("shortlinkanchor"); if (node) { var args = getArgs(node.href); var code = makeShortCode(lat, lon, zoom); @@ -103,10 +145,8 @@ function updatelinks(lon,lat,zoom,layers,minlon,minlat,maxlon,maxlat,objtype,obj args[objtype] = objid; } - // This is a hack to omit the default mapnik layer (B000FTF) from - // the shortlink. B000FTFT is then the "Object" layer which we get - // on /?{node,way,relation}=id - if (layers && (layers != "B000FTF") && (layers != "B000FTFT")) { + // This is a hack to omit the default mapnik layer from the shortlink. + if (layers && layers != "M") { args["layers"] = layers; } else { @@ -214,33 +254,45 @@ function i18n(string, keys) { return string; } +/* + * Called to interlace the bits in x and y, making a Morton code. + */ +function interlace(x, y) { + x = (x | (x << 8)) & 0x00ff00ff; + x = (x | (x << 4)) & 0x0f0f0f0f; + x = (x | (x << 2)) & 0x33333333; + x = (x | (x << 1)) & 0x55555555; + + y = (y | (y << 8)) & 0x00ff00ff; + y = (y | (y << 4)) & 0x0f0f0f0f; + y = (y | (y << 2)) & 0x33333333; + y = (y | (y << 1)) & 0x55555555; + + return (x << 1) | y; +} + +/* + * Called to create a short code for the short link. + */ function makeShortCode(lat, lon, zoom) { char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_@"; var x = Math.round((lon + 180.0) * ((1 << 30) / 90.0)); var y = Math.round((lat + 90.0) * ((1 << 30) / 45.0)); - // hack around the fact that JS apparently only allows 53-bit integers?!? - // note that, although this reduces the accuracy of the process, it's fine for - // z18 so we don't need to care for now. - var c1 = 0, c2 = 0; - for (var i = 31; i > 16; --i) { - c1 = (c1 << 1) | ((x >> i) & 1); - c1 = (c1 << 1) | ((y >> i) & 1); - } - for (var i = 16; i > 1; --i) { - c2 = (c2 << 1) | ((x >> i) & 1); - c2 = (c2 << 1) | ((y >> i) & 1); - } + // JavaScript only has to keep 32 bits of bitwise operators, so this has to be + // done in two parts. each of the parts c1/c2 has 30 bits of the total in it + // and drops the last 4 bits of the full 64 bit Morton code. var str = ""; + var c1 = interlace(x >>> 17, y >>> 17), c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff); for (var i = 0; i < Math.ceil((zoom + 8) / 3.0) && i < 5; ++i) { - digit = (c1 >> (24 - 6 * i)) & 0x3f; - str += char_array.charAt(digit); + digit = (c1 >> (24 - 6 * i)) & 0x3f; + str += char_array.charAt(digit); } for (var i = 5; i < Math.ceil((zoom + 8) / 3.0); ++i) { - digit = (c2 >> (24 - 6 * (i - 5))) & 0x3f; - str += char_array.charAt(digit); + digit = (c2 >> (24 - 6 * (i - 5))) & 0x3f; + str += char_array.charAt(digit); } for (var i = 0; i < ((zoom + 8) % 3); ++i) { - str += "-"; + str += "-"; } return str; }