|
| 1 | +var verbose = 0; |
| 2 | + |
| 3 | +function suffixmap(nm) |
| 4 | +// Given a name like "foo-ab" or "foo-X-and-Y", change it to the "list-of-room-names" format, "foo-a/foo-b". |
| 5 | +{ |
| 6 | + var andsuffix = /^(.*-)([^-]+)-and-(.*)$/; |
| 7 | + var andMatch = andsuffix.exec(nm); |
| 8 | + if (andMatch && andMatch[0] != '') { |
| 9 | + nm = andMatch[1] + andMatch[2] + "-" + andMatch[3]; |
| 10 | + } |
| 11 | + // xyz-a/b/c => xyz-a/xyz-b/xyz-c |
| 12 | + var abcsuffix = /^(.*)-([a-h0-9]+)[-\/]([a-h0-9]+)([-\/][a-h0-9]+)?$/; |
| 13 | + var suffixMatch = abcsuffix.exec(nm); |
| 14 | + if (verbose) alert("nm=" + nm); |
| 15 | + if (suffixMatch && suffixMatch[0] != '') { |
| 16 | + if (verbose) alert("matched"); |
| 17 | + nm = suffixMatch[1] + "-" + suffixMatch[2] + "/" + |
| 18 | + suffixMatch[1] + "-" + suffixMatch[3]; |
| 19 | + if (verbose) alert("nm=>" + nm); |
| 20 | + if (suffixMatch[4] && suffixMatch[4] != '') |
| 21 | + nm += "/" + suffixMatch[1] + "-" + suffixMatch[4]; |
| 22 | + if (verbose) alert("nm=>" + nm); |
| 23 | + } |
| 24 | + // xyz-abc => xyz-a/xyz-b/xyz-c |
| 25 | + abcsuffix = /^(.*)-([a-h])([a-h]+)([a-h])?$/; |
| 26 | + var suffixMatch = abcsuffix.exec(nm); |
| 27 | + if (suffixMatch && suffixMatch[0] != '') { |
| 28 | + nm = suffixMatch[1] + "-" + suffixMatch[2] + "/" + |
| 29 | + suffixMatch[1] + "-" + suffixMatch[3]; |
| 30 | + if (suffixMatch[4] && suffixMatch[4] != '') |
| 31 | + nm += "/" + suffixMatch[1] + "-" + suffixMatch[4]; |
| 32 | + } |
| 33 | + if (verbose) alert("suffixmap returning: " + nm); |
| 34 | + return nm; |
| 35 | +} |
| 36 | + |
| 37 | +function roomcoords(nm) |
| 38 | +// Find the coordinates of a room or list of room names separated by "/". |
| 39 | +// Calls the function findroom() to get the coordinates for a specific room. |
| 40 | +{ |
| 41 | + if (!nm) return null; |
| 42 | + |
| 43 | + if (nm.match("/")) { |
| 44 | + var nms = nm.split("/"); |
| 45 | + var nm0 = findroom(nms[0]); |
| 46 | + if (!nm0) return null; |
| 47 | + for (var i = 1; i < nms.length; i++) { |
| 48 | + var nmi = roomcoords(nms[i]); |
| 49 | + if (!nmi) return null; |
| 50 | + if (nmi[0] < nm0[0]) nm0[0] = nmi[0]; |
| 51 | + if (nmi[1] < nm0[1]) nm0[1] = nmi[1]; |
| 52 | + if (nmi[2] > nm0[2]) nm0[2] = nmi[2]; |
| 53 | + if (nmi[3] > nm0[3]) nm0[3] = nmi[3]; |
| 54 | + } |
| 55 | + return [nm0[0], nm0[1], nm0[2], nm0[3]]; |
| 56 | + } else { |
| 57 | + return findroom(nm); |
| 58 | + } |
| 59 | +} |
| 60 | + |
| 61 | +function setarrow(nm, fl) |
| 62 | +// Place an arrow at the center of a given room name (or list of room names separated by "/"). |
| 63 | +{ |
| 64 | + for (var i = 0; i < arrowsuffixlist.length; i++) { |
| 65 | + removearrow(arrowsuffixlist[i], fl); |
| 66 | + } |
| 67 | + for (var i = 0; i < arguments.length; i+=2) { |
| 68 | + nm = roommap(arguments[i]); |
| 69 | + if (verbose) alert("nm=" + nm); |
| 70 | + var rooms = nm.split(/[|]/); |
| 71 | + for (var j = 0; j < rooms.length; j++) { |
| 72 | + var room = rooms[j]; |
| 73 | + var ret = roomcoords(room); |
| 74 | + if (verbose) alert("roomcoords returned: " + ret); |
| 75 | + if (!ret) continue; |
| 76 | + |
| 77 | + var left = ret[0], top = ret[1], right = ret[2], bottom = ret[3], offsetleft = -25, offsettop = -25; |
| 78 | + if (verbose) alert("left=" + left + ", top=" + top + ", right=" + right + ", bottom=" + bottom); |
| 79 | + //alert("left=" + left + ", top=" + top + ", right=" + right + ", bottom=" + bottom); |
| 80 | + var arrowdiv = fl+'-arrowdiv' + (j > 0 ? j : ""); |
| 81 | + //if (verbose) alert("arrowdiv: " + arrowdiv); |
| 82 | + var adiv = document.getElementById(arrowdiv); |
| 83 | + // if (verbose) alert("looking for 'arrowdiv'+" + j); |
| 84 | + if (adiv) { |
| 85 | + //if (verbose) alert("adiv found"); |
| 86 | + adiv.style.left = left + (right - left) / 2 + offsetleft; |
| 87 | + adiv.style.top = top + (bottom - top) / 2 + offsettop; |
| 88 | + adiv.style.visibility = "visible"; |
| 89 | + } |
| 90 | + } |
| 91 | + } |
| 92 | +} |
| 93 | + |
| 94 | +function removearrow(which, fl) |
| 95 | +{ |
| 96 | + for (var i = 0; i < arguments.length; i++) { |
| 97 | + var which = arguments[i]; |
| 98 | + var arrowdiv = fl+'-arrowdiv' + (which ? which : ""); |
| 99 | + var adiv = document.getElementById(arrowdiv); |
| 100 | + // if (verbose) alert("looking for '" + arrowdiv + "'"); |
| 101 | + if (adiv) { |
| 102 | + // if (verbose) alert("adiv found"); |
| 103 | + adiv.style.left = -500; |
| 104 | + adiv.style.top = -500; |
| 105 | + adiv.style.visibility = "hidden"; |
| 106 | + } |
| 107 | + } |
| 108 | +} |
| 109 | + |
| 110 | +function setarrowlist(which, names) |
| 111 | +{ |
| 112 | + for (var i = 1; i < arguments.length; i++) { |
| 113 | + setarrow(arguments[i], which); |
| 114 | + } |
| 115 | +} |
| 116 | + |
| 117 | +function QueryString() |
| 118 | +// Create a QueryString object |
| 119 | +{ |
| 120 | + // get the query string, ignore the ? at the front. |
| 121 | + var querystring = location.search.substring(1); |
| 122 | + |
| 123 | + // parse out name/value pairs separated via & |
| 124 | + var args = querystring.split('&'); |
| 125 | + |
| 126 | + // split out each name = value pair |
| 127 | + for (var i = 0; i < args.length; i++) { |
| 128 | + var pair = args[i].split('='); |
| 129 | + |
| 130 | + // Fix broken unescaping |
| 131 | + var temp = unescape(pair[0]).split('+'); |
| 132 | + var name_ = temp.join(' '); |
| 133 | + |
| 134 | + var value_ = ''; |
| 135 | + if (typeof pair[1] == 'string') { |
| 136 | + temp = unescape(pair[1]).split('+'); |
| 137 | + value_ = temp.join(' '); |
| 138 | + } |
| 139 | + |
| 140 | + this[name_] = value_; |
| 141 | + } |
| 142 | + |
| 143 | + this.get = function(nm, def) { |
| 144 | + var value_ = this[nm]; |
| 145 | + if (value_ == null) return def; |
| 146 | + else return value_; |
| 147 | + }; |
| 148 | +} |
| 149 | + |
| 150 | +function checkParams() |
| 151 | +// Check the parameters for one named "room". If found, call setarrow(room). |
| 152 | +{ |
| 153 | + var querystring = new QueryString(); |
| 154 | + var room = querystring.get("room"); |
| 155 | + if (room && room != "") setarrow(room); |
| 156 | +} |
| 157 | + |
| 158 | +// new functions |
| 159 | +function located(loc) |
| 160 | +{ |
| 161 | + if (loc.civic && loc.civic.ROOM) { |
| 162 | + // map from "TerminalRoom" to "terminal-room" as necessary. |
| 163 | + setarrow(loc.civic.ROOM.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase(), "-green"); |
| 164 | + } |
| 165 | +} |
| 166 | + |
| 167 | +// this needs to be called onload |
| 168 | +function automaticarrow() |
| 169 | +{ |
| 170 | + // if (navigator.geolocation) { |
| 171 | + // navigator.geolocation.getCurrentPosition(located); |
| 172 | + // } |
| 173 | +} |
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