Thanks a lot Mike, adding a decorator works now great!
I have some problem removing the decorator and a few new questions in this
context:
1. You set an ID attribute while initializing the SpanHighlightDecorator. This
is a good idea (I need this id for removing exactly this decorator). I have
looked into the source-code (decorators.js) and there isn't an id-attribute
defined. Can i modify (adding) this id-param from extern without changing the
source-code of the timeline? (Sorry, I'm a Javascript newbie..)
2. In your proposed removing function the this._decorators[index].remove();
doesn't work for me, the _decorator object has no method remove(). The splice
works, but the decorator doesn't disappear in the timeline.
3. How difficult is it to set an label to the center of a decorator? I don't
need a start and end label, but an "description" for the highlighted area.
Clemens
Am 09.11.2010 um 17:55 schrieb Michael Nosal:
> Clemens,
> Yes, it is possible (and easy) to add/remove decorators dynamically. I needed
> to do exactly this.
>
> The decorators for a band are stored in an array in the band. We just need a
> function to add them:
>
> Timeline._Band.prototype.addDecorator = function(decorator) {
> this._decorators.push(decorator);
> decorator.initialize(this,this._timeline);
> decorator.paint();
> }
>
> Create a new decorator and add to the desired band:
>
> var band = tl.getBand(1);
> var theme = Timeline.ClassicTheme.create();
> band.addDecorator(new Timeline.SpanHighlightDecorator({
> id:"my_decorator_id",
> startDate: decorator_start_date,
> endDate: decorator_end_date,
> startLabel:"Start",
> endLabel:"End",
> theme:theme
> }));
>
> Then your decorator should show up on your timeline.
>
> Removing is easy too:
>
> Timeline._Band.prototype.removeDecorator = function(index) {
> this._decorators[index].remove();
> this._decorators.splice(index,1);
> }
>
>
> --Mike
>
> On Nov 9, 2010, at 9:05 AM, einsA wrote:
>
>> Hello list,
>>
>> is it possible to change (add/remove) some decorators to the bands
>> dynamically - during runtime?
>> I initialize the timeline on page load once and then inject/remove new
>> data via json. Therefore it would be great not only to add/remove
>> events but decorators too. I've tried to add the decorators and then
>> calling the paint() methods of the timeline and the bands, but the new
>> decorators doesn't appear.
>>
>> I hope you understand my wish and anybody can help me.
>>
>> Gruß
>> Clemens
>
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