GMaps related JS changed to use new google namespace.
Google is going to change permanently in the future the way to
load its services, so better stay safe.
Also this commit shows uses of the new melange.js module.
Fixes Issue 634.
/**@constructor*/
function ChainNode(object, link) {
this.value = object;
this.link = link; // describes this node's relationship to the previous node
}
/**@constructor*/
function Chain(valueLinks) {
this.nodes = [];
this.cursor = -1;
if (valueLinks && valueLinks.length > 0) {
this.push(valueLinks[0], "//");
for (var i = 1, l = valueLinks.length; i < l; i+=2) {
this.push(valueLinks[i+1], valueLinks[i]);
}
}
}
Chain.prototype.push = function(o, link) {
if (this.nodes.length > 0 && link) this.nodes.push(new ChainNode(o, link));
else this.nodes.push(new ChainNode(o));
}
Chain.prototype.unshift = function(o, link) {
if (this.nodes.length > 0 && link) this.nodes[0].link = link;
this.nodes.unshift(new ChainNode(o));
this.cursor++;
}
Chain.prototype.get = function() {
if (this.cursor < 0 || this.cursor > this.nodes.length-1) return null;
return this.nodes[this.cursor];
}
Chain.prototype.first = function() {
this.cursor = 0;
return this.get();
}
Chain.prototype.last = function() {
this.cursor = this.nodes.length-1;
return this.get();
}
Chain.prototype.next = function() {
this.cursor++;
return this.get();
}
Chain.prototype.prev = function() {
this.cursor--;
return this.get();
}
Chain.prototype.toString = function() {
var string = "";
for (var i = 0, l = this.nodes.length; i < l; i++) {
if (this.nodes[i].link) string += " -("+this.nodes[i].link+")-> ";
string += this.nodes[i].value.toString();
}
return string;
}
Chain.prototype.joinLeft = function() {
var result = "";
for (var i = 0, l = this.cursor; i < l; i++) {
if (result && this.nodes[i].link) result += this.nodes[i].link;
result += this.nodes[i].value.toString();
}
return result;
}
/* USAGE:
var path = "one/two/three.four/five-six";
var pathChain = new Chain(path.split(/([\/.-])/));
print(pathChain);
var lineage = new Chain();
lineage.push("Port");
lineage.push("Les", "son");
lineage.push("Dawn", "daughter");
lineage.unshift("Purdie", "son");
print(lineage);
// walk left
for (var node = lineage.last(); node !== null; node = lineage.prev()) {
print("< "+node.value);
}
// walk right
var node = lineage.first()
while (node !== null) {
print(node.value);
node = lineage.next();
if (node && node.link) print("had a "+node.link+" named");
}
*/