That's a good thought, what I'm doing is similar, in the
generateGraphData() function, I'm doing this: $(dataRange).innerHTML =
graphData; which dumps the output from the PHP file to a <div/>.
Everything looks good there, but I keep getting the error mentioned in
the original post.
Ben
On Jul 10, 1:29 pm, Diodeus <[EMAIL PROTECTED]> wrote:
> At the beginning of updateChart, add:
>
> alert(graphData)
>
> See what you're actually getting back. There might be some formatting
> characters that you won't see when you put the same thing into a DIV.
>
> On Jul 10, 7:09 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> wrote:
>
> > Hello everyone, I'm new here.
>
> > I've been working with prototype and plotr for about a month now, off
> > and on, and I have pretty much hit the wall on using the data returned
> > by Ajax.Request.
>
> > I'm using some php code to return a string:
>
> > {'foo': [[0,0.0865334429075127], [1,0.0828179861705063],
> > [2,0.0828173042602942], [3,0.0841707718624196]]}
>
> > But I keep getting an error: "item.pluck is not a function" on line
> > 857 of plotr_uncompressed.js
>
> > Here is the code I'm using to grab the data into a javascript
> > variable:
>
> > var graphData = "";
> > var url = "foobar.php";
>
> > function generateGraphData(dataRange,dataUrl) {
> > new Ajax.Request(url, {
> > method: 'get',
> > parameters: {dR:dataRange,dU:dataUrl},
> > onLoading: function() {
> > // change this to a loading image/html
> > $(dataRange).innerHTML="loading...";
> > },
> > onComplete: function(request) {
> > if(request.status != 200) {
> > // change this to a pleasant error message
> > $(dataRange).innerHTML="unavailable...";
> > } else {
> > graphData = request.responseText;
> > $(dataRange).innerHTML = graphData;
> > }
> > },
> > onFailure: function() {
> > notice.update("hrm, something went wrong...");
> > }
> > });
> > }
>
> > And here is the code I'm using to try to load the data into the graph:
>
> > function updateChart(chartName) {
>
> > var newOptions = {
> > padding: {left: 30, right: 0, top: 10, bottom: 30},
> > backgroundColor: '#f2f2f2',
> > shouldFill: false,
> > colorScheme: 'blue',
> > yNumberOfTicks: 2,
> > xTicks: [
> > {v:5, label:'jan'},
> > ]
> > };
>
> > document.getElementById('weekdiv').innerHTML = '<div><canvas
> > id="newchart"
> > height="250" width="700"></canvas></div>';
>
> > var weekLine = new Plotr.LineChart('newchart',newOptions);
> > //weekLine.addDataset(dataset2);
> > weekLine.addDataset(graphData);
> > weekLine.render();
>
> > }
>
> > As you can see in the last bit of code, I've commented out the line:
> > "weekLine.addDataset(dataset2)". dataset2 is an array defined in
> > javascript on this page, that is identical to the string that is being
> > passed to the page from the php script.
>
> > Any help would be greatly appreciated!!
>
> > Ben
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups "Ruby
on Rails: Spinoffs" 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/rubyonrails-spinoffs?hl=en
-~----------~----~----~----~------~----~------~--~---
