Created
August 1, 2012 11:23
-
-
Save anonymous/3225927 to your computer and use it in GitHub Desktop.
AutoJsonStore
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
define([ | |
'dojo/store/JsonRest', | |
'dojo/store/Memory', | |
'dojo/store/Cache', | |
'dojo/store/Observable' | |
], function(JsonRest, Memory, Cache, Observable) { | |
return function (params) { | |
var mainStore, pollStore, observers = {}, gRevision = 0; | |
window.observers = observers; | |
mainStore = new Observable(new Cache( | |
new JsonRest(params), new Memory(), {})); | |
pollStore = new JsonRest(params); | |
function calcRange() { | |
var cur, min = 1e100, max = 0, start, end, abs, list = {}; | |
for (cur in observers) { | |
start = observers[cur].start; | |
end = observers[cur].count + start; | |
if(start < min) | |
min = start; | |
if(end > max) | |
max = end; | |
for(var i=start; i<end; i++) { | |
list[i] = true; | |
} | |
} | |
for (var x in list) { | |
abs++; | |
} | |
window.observerStats = { max:max, min:min, abs:abs }; | |
} | |
mainStore.origQuery = mainStore.query; | |
mainStore.query = function (query, queryOptions) { | |
var results = mainStore.origQuery(query, queryOptions); | |
results.origObserve = results.observe; | |
results.observe = function (listener, incObjUpdates) { | |
var revision = ++gRevision, handle; | |
handle = results.origObserve(listener, incObjUpdates); | |
observers[revision] = queryOptions; | |
calcRange(); | |
console.log(observers); | |
handle.origRemove = handle.remove; | |
handle.remove = handle.cancel = function () { | |
handle.origRemove(); | |
// observers['deleted' + revision] = observers[revision]; | |
delete observers[revision]; | |
calcRange(); | |
}; | |
return handle; | |
}; | |
return results; | |
}; | |
return mainStore; | |
}; | |
}); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment