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Adding a custom menu?

medini_1073221077

I have been playing around with creation of custom GUI:s with the builtin SWT library with some success, but I'm looking for a way to add a custom menu for accessing some scripts. Is there any such feature planned?

Regards,

Mattias

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medini_1073221077

Continuing my thread.

I've had some more progress, been able to display buttons etc, but I'm afraid that I have hit a roadblock. To do something when a button is pressed SWT uses a concept with listeners, which uses Java method overloading, but I think that the Java adapter/Rhino is having some problems with that kind if thing.

Any advice?

Part of my code:

 var testButton = new Button(shell, SWT.PUSH);
 testButton.setText("Test");


 var listener = new JavaAdapter(SelectionAdapter, {
 widgetSelected: function(event) {
 input = text.getText();
 shell.close();
 }
 });

 testButton.addSelectionListener(listener);

Regards,

Mattias

medini_1059007410

Hi Mattias,

Very interesting ideas, unfortunately beyond my technical JS/Rhino knowledge. Normally Jan may answer such questions, but he is currently not in the office. Therefore you might have to wait until early March, unfortunately.

Regards Nils

medini_1024169437

Mattias, I am back and will try to continue here. So you want to attach a Java Script function as the listener to the button, right?

Could you please post more of the SWT code so I can copy paste it and just play with it to find a solution?

I just need the shell initialization etc. and may all the imports/load statements

Happy Scripting

Jan

medini_1063548292

Hi Jan and Mattias,

I have stumbled upon the same idea but unfortunately I haven't been able to implement a simple interface ( button listener) interface for the button.

I have found documentation for Rhino but tried the documented ways simply did not work.

I went a bit further trying to map some internal javascript classes package and expose the internal JavaAdapter class. OI somehow managed to create an instance of the Interface with a public method however it the listener or the method was not triggered when it should be ...

I will collect the links and post them in here.

I was even considering using external java class file with the implementation of the Interface that would be eventually loaded though bind or class-loader or at least create a class that will accept a Runnable object and will implement and interface ,....

Here is a snippet of the dialog where I wanted to create User/Password dialog

//$EXPERIMENTAL$ $DEBUG$


 load(".lib/ui.js");

/*SWT already in ui.js org.eclipse.swt.SWT;*/
var SwtGridLayout = bind("org.eclipse.swt","org.eclipse.swt.layout.GridLayout",false);
var SwtGridData = bind("org.eclipse.swt","org.eclipse.swt.layout.GridData",false);
var SwtDisplay = bind ("org.eclipse.swt","org.eclipse.swt.widgets.Display",false);
var SwtShell = bind ("org.eclipse.swt","org.eclipse.swt.widgets.Shell",false);
var SwtText = bind ("org.eclipse.swt","org.eclipse.swt.widgets.Text",false);
var SwtButton = bind ("org.eclipse.swt","org.eclipse.swt.widgets.Button",false);
var SwtLabel = bind ("org.eclipse.swt","org.eclipse.swt.widgets.Label",false);
var SwtListener = bind ("org.eclipse.swt","org.eclipse.swt.widgets.Listener",false);

/** 
* creates dialof with USername label + input text, Password (label+input text) + button => not able to crate an isntance of Interface Listener !!! just close the window to porceeed
* @param {String} Optional initUser : String with inittalvlaue in the userInputtext field
* @param {String} Optional initPass : String with inittalvlaue in the userInputtext field
*/

function userPasswordTextDialog(initUser,initPass) {
 var display = new SwtDisplay();
 var shell = new SwtShell(display);
 var labelUser = undefined;
 var labelPass = undefined;
 var bttnOK = undefined;
 var textOut = undefined;

 var gridLayout = new SwtGridLayout(3, false);
 shell.setLayout(gridLayout);
 //first row username
 labelUser= new SwtLabel(shell, SWT.NULL);
 labelUser.setText("User: ");
 gridData = new SwtGridData(SwtGridData.FILL_HORIZONTAL);
 gridData.grabExcessHorizontalSpace = true;

 var textFieldUser = new SwtText(shell, SWT.SINGLE | SWT.BORDER);
 textFieldUser.setLayoutData(gridData);
 textFieldUser.setText(initUser||"");

 //dummy label
 new SwtLabel(shell,SWT.NULL);

 //2nd row 
 // Create a password text field
 new SwtLabel(shell,SWT.NULL).setText("Pass:");
 gridData = new SwtGridData(SwtGridData.FILL_HORIZONTAL);
 gridData.grabExcessHorizontalSpace = true;

 var textField = new SwtText(shell, SWT.PASSWORD | SWT.BORDER);
 textField.setText(initPass||"");
 textField.setLayoutData(gridData);
 bttnOK = new SwtButton(shell, SWT.PUSH).setText("DONE");
 // button need a listener it is a interfacae aand need method for new SWTListener().
 //TBD not usre how to create and implenetation uusing bind/JavaAdapater 

 shell.setSize(500,200);
 shell.pack();
 shell.open();
 textField.setFocus();
 while (!shell.isDisposed()) {
 if (!display.readAndDispatch()) {
 textOut = textFieldUser.getText() +":"+textField.getText(); 
 display.sleep();
 }
 }

 display.dispose();
 return [textOut.split(":")[0],textOut.split(":")[1]];

 }

Now When we have Jan jumping in I believe we can crack this nut

Happy Scripting,

Marian

medini_1063548292

Hi ,

forgot to reference the links I found.

so here they go

https://p-bakker.github.io/rhino/tutorials/scripting_java/

https://stackoverflow.com/questions/15491642/mozilla-rhino-1-7r4-extending-abstract-class-js

https://www.javadoc.io/doc/org.mozilla/rhino/1.7.10/org/mozilla/javascript/InterfaceAdapter.html

https://javadoc.io/doc/org.mozilla/rhino/latest/org/mozilla/javascript/JavaAdapter.html#createAdapterCode-org.mozilla.javascript.ObjToIntMap-java.lang.String-java.lang.Class-java.lang.Class:A-java.lang.String-

Marian

medini_1024169437

Thanks for the flowers Marian, I may have a look.

I deep in my head have a memeory that I once solved that riddle, but when and how?

Lets see...

Jan

medini_1024169437

Well, I tried it quickly and succeeded, thanks for the example code Marian, that helped a lot to quickly get started.

First of all: this kind of code is dangerous, Marian:

bttnOK = new SwtButton(shell, SWT.PUSH).setText("DONE");

It stores the result of the last operation (here setText) in the variable and since this is a void function, btnnOK is undefined afterwards.

Make sure you do:

 bttnOK = new SwtButton(shell, SWT.PUSH);
 bttnOK.setText("DONE");

And then, there is one rule: if the Java interface has just one method, you may do

bttnOK.addXXX(function foo() { ...

foo mathcing the function in the interface. Unfortunately, SWT wants a SelectionListener which has multiple methods. But no problem, just do it like this and Rhino is able to map a JS object and multiple of its methods to a Java interface:

 bttnOK = new SwtButton(shell, SWT.PUSH);
 bttnOK.setText("DONE");

 var listener = {
 widgetSelected : function(selectionEvent) {
 alert("Clicked");
 },
 widgetDefaultSelected : function(selectionEvent) {
 alert("Clicked");
 }
 };
 bttnOK.addSelectionListener(listener);

Voila:

Happy UI Scripting

Jan