realizeTree: function(treeSpec) {
var deferred = Util.Promise.defer();
var self = this;
if ((treeSpec.url !== null) && (typeof treeSpec.url == "string") && (treeSpec.url.indexOf("alias(") == 0) && (treeSpec.url[treeSpec.url.length - 1] == ")")) {
var alias = treeSpec.url.substring(6, treeSpec.url.length - 1);
if (typeof self.trees[alias] != 'undefined') {
self.trees[treeSpec.name] = self.trees[alias];
if (treeSpec.receiveEvents) {
// XXX: Potential bug here, depending on intent. The aliased tree is
// the same tree! That means we might intend one to receive and the
// other not to, but in reality they'll both be in lockstep.
self.trees[treeSpec.name].toggleReceiveRelationEvents(true);
}
deferred.resolve(self.trees[alias]);
} else {
deferred.reject("Trying to alias undefined tree");
}
} else if (typeof treeSpec.url == "string") {
treeSpec.url = Util.Net.fixRelativeUrl(treeSpec.url, treeSpec.loadedFrom);
self.factory.Tree(treeSpec, this).then(
function(tree) {
self.trees[treeSpec.name] = tree;
// tree.registerInlineRelationSpecs();
deferred.resolve(tree);
self.trigger('realized-tree', {name: treeSpec.name, kind: tree.kind, tree: tree});
},
function(reason) {
deferred.reject(reason);
}
).done();
} else {
// it's a jquery node
self.factory.Tree(treeSpec, this).then(
function(tree) {
self.trees[treeSpec.name] = tree;
// tree.registerInlineRelationSpecs();
deferred.resolve(tree);
self.trigger('realized-tree', {name: treeSpec.name, kind: tree.kind, tree: tree});
},
function(reason) {
deferred.reject(reason);
}
).done();
}
return deferred;
},
var promises = Util._.map(links, function(block) {
var deferred = Util.Promise.defer();
if (block.type == 'link') {
Util.Net.fetchString(block).then(
function(content) {
var url = block.url;
self.parseAndAddSpec(content, block.format, url).then(
function() {
deferred.resolve();
},
function(reason) {
Util.Log.Error("Could not parse and add spec", content, block);
deferred.resolve();
}
).done();
},
function(reason) {
Util.Log.Error("Could not fetch CTS link:", block);
deferred.resolve();
});
} else if (block.type == 'block') {
var url = window.location;
self.parseAndAddSpec(block.content, block.format, url).then(
function() {
deferred.resolve();
},
function(reason) {
Util.Log.Error("Could not parse and add spec", content, block);
deferred.resolve();
}
).done();
} else {
Util.Log.Error("Could not load CTS: did not understand block type", block.block, block);
deferred.resolve();
}
return deferred.promise;
});