Hi,
In an application that uses Highchats and Bootstrap, the
"com.google.gwt.core.client.ScriptInjector" does not seem to be working
correctly for me.
Basically, during the onLoad() of my entrypoint, if I try to inject js
Highcharts.js dependency using the core gwt injector, I end up not
seing absolutely nothing injected into the Head of the html.
Though i can see that the Inject Method is tring to put the javascript
string into the Head... it just does not seem to be there when the module
loads.
This does not work:
public static void injectHighchartsJavascriptIntoHtmlHead(){
TextResource textResource = HIGHCHARTS_JS_RESOURCE.highchartsJs();
if(!highchartsJsResourceInjected){
com.google.gwt.core.client.ScriptInjector.fromString(textResource.getText()).inject();
highchartsJsResourceInjected = true;
}
}
when the From String completes, automatically the following javascript
error takes place in the browser:
"
1. Uncaught TypeError: undefined is not a function
hosted.html:30<http://127.0.0.1:8888/gwtexpenses/hosted.html?gwtexpenses>
1. (anonymous
function)hosted.html:30<http://127.0.0.1:8888/gwtexpenses/hosted.html?gwtexpenses>
2. (anonymous
function)hosted.html:246<http://127.0.0.1:8888/gwtexpenses/hosted.html?gwtexpenses>
3.
@com.google.gwt.core.client.ScriptInjector::nativeAttachToHead(Lcom/google/gwt/core/client/JavaScriptObject;Lcom/google/gwt/core/client/JavaScriptObject;)
4.
__gwt_jsInvokehosted.html:76<http://127.0.0.1:8888/gwtexpenses/hosted.html?gwtexpenses>
5. gwtOnLoad
"
On the other hand, if I modify my onLoad to instead of calling the Resource
inject function, I use the non core Bootstrap resource injector:
String javascriptToInject =
org.moxieapps.gwt.highcharts.client.resources.Resources.getHighchartsJs().getText();
com.github.gwtbootstrap.client.ui.resources.JavaScriptInjector.inject(javascriptToInject);
Well, then I have no problems.
One thing is clear, both mechanisms of populating the head element are
nothing alike. The core core seems optimized to use native functions,
The bootstrap Script Injector, on the other hand, gets the Header Drom and
populates using gwt Dom wrappers. In this case, you actually see the point
in time where your javascript gets injected and that required dependencies,
e.g. jQuery have also been dumped into the header.
Thanks in advance for any input!
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