John, Not sure why you couldn't do that yourself, but I've just unsubscribed you now. Let me know if you still get email after this one.
David John Ward wrote: > Hi David, > > I removed myself from the google simile group, but I'm still receiving > all the messages. Do you know how I can stop the messages? > > Thx. > > John > > On May 19, 2009, at 9:17 PM, David Huynh <[email protected]> wrote: > > >> fractile81 wrote: >> >>> I'm helping out matt in >>> http://groups.google.com/group/simile-widgets/browse_thread/thread/731e105551685399/e6c492871cfe3f5d#e6c492871cfe3f5d >>> to try and get the app to run a bit smoother (the browser lag in FF >>> is >>> terrible!). I've been playing with the idea of loading JSON in >>> chunks >>> using a service that takes an offset, then adding the data to >>> Exhibit. This works, but is still really slow to load. >>> >>> What I would like to do is programmatically load each JSON chunk once >>> a successful request has been made. Here's what I think should work: >>> >>> /*================================================== >>> * Exhibit.ExhibitJSONChunkImporter >>> *================================================== >>> */ >>> >>> Exhibit.ExhibitJSONChunkImporter = { >>> }; >>> Exhibit.importers["application/json-chunk"] = >>> Exhibit.ExhibitJSONChunkImporter; >>> >>> Exhibit.ExhibitJSONChunkImporter.load = function(link, database, >>> cont) >>> { >>> var url = typeof link == "string" ? link : link.href; >>> var last_chunk = -1; >>> var items = []; >>> url = Exhibit.Persistence.resolveURL(url); >>> >>> var fChunk = function(xmlhttp) { >>> try { >>> var o = null; >>> try { >>> o = eval("(" + xmlhttp.responseText + ")"); >>> } catch (e) { >>> >>> Exhibit.UI.showJsonFileValidation(Exhibit.l10n.badJsonMessage(url, >>> e), url); >>> } >>> >>> if (o != null) { >>> if (o.status == 'ok') { >>> last_chunk = o.chunk; >>> >>> >>> // THIS NEXT LINE DOESN'T WORK EVERY TIME! >>> database.loadData(o, >>> Exhibit.Persistence.getBaseURL(url)); >>> >>> >>> if (last_chunk + 1 < o.chunks) { >>> return true; >>> } >>> } else { >>> >>> } >>> } >>> } catch (e) { >>> SimileAjax.Debug.exception(e, "Error loading Exhibit >>> JSON chunk >>> data from " + url); >>> } >>> >>> return false; >>> } >>> >>> var fError = function(statusText, status, xmlhttp) { >>> Exhibit.UI.hideBusyIndicator(); >>> Exhibit.UI.showHelp(Exhibit.l10n.failedToLoadDataFileMessage >>> (url)); >>> if (cont) cont(); >>> }; >>> >>> var fDone = function(xmlhttp) { >>> try { >>> if (fChunk(xmlhttp)) { >>> SimileAjax.XmlHttp.get(url + '?chunk=' + >>> (last_chunk+1), >>> fError, fDone); >>> } else { >>> Exhibit.UI.hideBusyIndicator(); >>> // Alternate database.loadItems(); can go here >>> } >>> } finally { >>> if (cont) cont(); >>> } >>> }; >>> >>> Exhibit.UI.showBusyIndicator(); >>> SimileAjax.XmlHttp.get(url, fError, fDone); >>> } >>> >>> In there I try to call database.loadData(); for each chunk of JSON I >>> receive. This works for the first couple of chunks (I have a lot of >>> chunks), but I eventually get the following errors: >>> >>> TypeError: this._dom is undefined "Error firing event of name >>> onItemsChanged" - debug.js (line 53) >>> Error firing event of name onItemsChanged "Error firing event of name >>> onAfterLoadingItems" - debug.js (line 53) >>> Database.loadItems failed "Error firing event of name >>> onAfterLoadingItems" - debug.js (line 53) >>> Error loading Exhibit JSON chunk data from http://<pathtoservice>/ >>> chunk.php >>> "Error firing event of name onAfterLoadingItems" - debug.js (line 53) >>> Error firing event of name onAfterLoadingItems "XmlHttp: Error >>> handling onReadyStateChange" - debug.js (line 53) >>> >>> So I have two questions: 1) is database.loadItems(); capable of >>> adding >>> data over multiple calls like I was hoping, or is there another >>> function/process I should try using? 2) I'm assuming the errors I'm >>> getting are related to my using the database.loadItems(); function >>> the >>> way that I am -- is this assumption correct, or is there another >>> place >>> I should be looking (apologies, I don't know this code very well >>> yet)? >>> >>> Thanks for any input! >>> >>> >> Craig, >> >> That sounds like the latest data chunk got loaded just fine but then >> something in it caused perhaps a view or a facet to throw an >> exception. >> Do you know which chunk that is? >> >> David >> >> >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "SIMILE Widgets" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/simile-widgets?hl=en -~----------~----~----~----~------~----~------~--~---
