Try to add debugs to all functions to track why it doesn't update afterwards. If you don't find out, post all of your paragraphs code and I will take a look or do an example tomorrow. On Aug 19, 2015 12:01 AM, "hasan türken" <turk...@gmail.com> wrote:
> Thanks for the explanations. > > First, I changed the last line: > * scope.selectedNode = d.name <http://d.name/>;* > to > *scope.$apply(function(){* > * scope.selectedNode = d.name <http://d.name>;* > * })* > Because in the former one, there is a delay before the value change on the > page. > > With the above change, > println(z.angular("selectedNode")): prints correct value > println(selectedNode): Wrong, initial value. > > Also, watch works only first change, but does not work on other changes. > > > > On Tue, Aug 18, 2015 at 5:52 PM, Corneau Damien <cornead...@gmail.com> > wrote: > >> The difference is the scope of variables. >> The angularBinded values must me accessible at notebook level to be used >> by any of its paragraph. >> >> In your case you were setting the scope value in a paragraph dom node >> scope level. >> >> Which means its not accesible by other paragraphs. Furthermore we only >> send the compiledScope variable to the backend (can't send all the app >> scope) >> On Aug 18, 2015 11:41 PM, "hasan türken" <turk...@gmail.com> wrote: >> >>> I could not understand why it is so hard. I just thought it was >>> something very similar what is shown in this video: >>> >>> https://www.youtube.com/watch?v=QdjZyOkcG_w (code is here: >>> https://github.com/apache/incubator-zeppelin/pull/27) >>> >>> Where, there is a dropdown list whose value is binded to an >>> Angular/Scala variable. And any change on this variable (in front-end), can >>> be detected from zeppelin side (back-end). >>> I am just trying to do something similar, but I just need to access the >>> variable within a js function. >>> Why is it so different and seems impossible without playing with the >>> source of zeppelin? >>> >>> Thanks. >>> >>> On Tue, Aug 18, 2015 at 5:33 PM, DuyHai Doan <doanduy...@gmail.com> >>> wrote: >>> >>>> Personnally I tried to modify the source code of the Zeppelin >>>> notebook.controller.js to add a new method "pushAngular" to trigger update >>>> from front-end to back-end. But it requires some knowledge of AngularJS. >>>> >>>> On Tue, Aug 18, 2015 at 3:39 PM, hasan türken <turk...@gmail.com> >>>> wrote: >>>> >>>>> Thanks for quick response. >>>>> Checked the lines you shared, but I am new to Front-end development >>>>> and could not imagine how and where to access and play with the >>>>> compileScope (I think it is compiledScope, as I saw in the code you >>>>> linked). >>>>> Should I try to access it within my dblclick function? Or from scala >>>>> side ? >>>>> >>>>> On Tue, Aug 18, 2015 at 4:18 PM, DuyHai Doan <doanduy...@gmail.com> >>>>> wrote: >>>>> >>>>>> This is very tricky. I had a look into the source code of the Angular >>>>>> object binding system and it appears that there is an isolated compile >>>>>> scope: >>>>>> >>>>>> Definition: >>>>>> https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-web/src/app/app.controller.js#L17 >>>>>> >>>>>> Usage: >>>>>> https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-web/src/app/notebook/notebook.controller.js#L466-L469 >>>>>> >>>>>> You need to play with the compileScope to trigger any update from the >>>>>> front-end to the back-end >>>>>> >>>>>> On Tue, Aug 18, 2015 at 3:02 PM, hasan türken <turk...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> First of thanks for the awesome Angular interpreter, which seems to >>>>>>> have a big potential. >>>>>>> I am trying to detect a change on an Angular variable using the >>>>>>> Angular interpreter. I am changing the Angular variable within a >>>>>>> javascript >>>>>>> function, see the result but binded scala object does not change. >>>>>>> >>>>>>> I am binding with: >>>>>>> >>>>>>> *var selectedNode = "none"* >>>>>>> *def plotter = {* >>>>>>> * ...* >>>>>>> >>>>>>> * z.angularBind("selectedNode", selectedNode)* >>>>>>> * z.angularUnwatch("selectedNode")* >>>>>>> * z.angularWatch("selectedNode", (before:Object, after:Object) => >>>>>>> {* >>>>>>> * z.run(2)* >>>>>>> * })* >>>>>>> * ...* >>>>>>> *}* >>>>>>> >>>>>>> Then: >>>>>>> >>>>>>> * %angular* >>>>>>> *<div id="tree_1">* >>>>>>> * <h2>Selected Node: {{selectedNode}}</h2>* >>>>>>> * </div>* >>>>>>> >>>>>>> I can see "Selected Node: none" >>>>>>> >>>>>>> I have a node and I set a dblclick function on it: >>>>>>> >>>>>>> * function dblclick(d) {* >>>>>>> * var scope = angular.element($("#tree_1")).scope();* >>>>>>> * scope.$apply(function(){* >>>>>>> * scope.selectedNode = d.name <http://d.name>;* >>>>>>> * console.log(d.name <http://d.name>);* >>>>>>> * })* >>>>>>> >>>>>>> When I double click a node, it successfully sets the selectedNode >>>>>>> variable, since I can see the name as: >>>>>>> >>>>>>> Selected Node: some-node-name >>>>>>> >>>>>>> But the problem is, it is not reflected to scala side, i.e. when I >>>>>>> run: >>>>>>> >>>>>>> * println(selectedNode)* >>>>>>> >>>>>>> I can not get the updated name also can not detect any change even I >>>>>>> set with angularWatch. >>>>>>> >>>>>>> Thanks in advance, >>>>>>> Hasan >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >
