Source of example snippets used in SWT Gui Transformer page: http://milanaleksic.github.com/swt-gui-transformer/

dependency1.xml

    <dependency>
        <groupId>net.milanaleksic</groupId>
        <artifactId>baobab-core</artifactId>
        <version>0.4.1</version>
    </dependency>

dependency2.xml

    <dependency>
        <groupId>net.milanaleksic</groupId>
        <artifactId>baobab-editor</artifactId>
        <version>0.4.1</version>
    </dependency>

linkForFile

http://maven.milanaleksic.net/release/net/milanaleksic/baobab-core/0.4.1/baobab-core-0.4.1-all.jar

messages.properties

username=User name:
password=Password:
title=Simple username/password form
buttonTitle=Try to login

MyForm.gui

{
    "_type" : "shell",
    "_style" : "{dialog_trim}",
    "_name" : "myFormShell",
    "text" : "[title]",
    "size" : "300,120",
    "layout" : {
        "_type" : "gridLayout",
        "numColumns" : 2
    },
    "_children" : {
        "label(_1)" : {
            "text" : "[username]",
            "layoutData" : "[gridData](end,center,true,false)"
        },
        "text(usernameBox, {border})" : {
            "layoutData" : "[gridData](fill,center,true,false)"
        },
        "label(_2)" : {
            "text" : "[password]",
            "layoutData" : "[gridData](end,center,true,false)"
        },
        "text(passwordBox, {border}|{password})" : {
            "layoutData" : "[gridData](fill,center,true,false)"
        },
        "button(btnLogin, {push})" : {
            "text" : "[buttonTitle]",
            "layoutData" : {
                "_type" : "[gridData](center,center,true,false,2,1)",
                "widthHint" : 150
            }
        }
    }
}

MyForm.java

package com.foobar;

import com.google.inject.Guice;
import net.milanaleksic.baobab.*;
import net.milanaleksic.baobab.integration.CoreModule;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.*;

import javax.inject.Inject;

public class MyForm {

    @Inject private Transformer transformer;

    @EmbeddedComponent private Text usernameBox;

    @EmbeddedComponent private Text passwordBox;

    @EmbeddedComponent private Shell myFormShell;

    @EmbeddedEventListener(component = "btnLogin", event = SWT.Selection)
    private void login() {
        MessageBox box = new MessageBox(myFormShell, SWT.ICON_ERROR);
        box.setMessage("You entered: username=" + usernameBox.getText() + ", password=" + passwordBox.getText());
        box.setText("Information");
        box.open();
    }

    @EmbeddedEventListeners({
            @EmbeddedEventListener(component = "usernameBox", event = SWT.Traverse),
            @EmbeddedEventListener(component = "passwordBox", event = SWT.Traverse)
    })
    private void loginOnEnterPressed(Event event) {
        if (event.detail == SWT.TRAVERSE_RETURN)
            login();
    }

    public static void main(String[] args) {
        MyForm myForm = Guice.createInjector(new CoreModule()).getInstance(MyForm.class);
        myForm.transformer.fillManagedForm(myForm).showAndAwaitClosed();
    }
}

ObservedForm.gui

{
    "_type" : "shell",
    "_style" : "{dialog_trim}",
    "text" : "Text reverser",
    "size" : "600,150",
    "layout" : {
        "_type" : "gridLayout",
        "numColumns" : 1
    },
    "_children" : {
        "label(_1)" : {
            "text" : "Type some text here:",
            "layoutData" : "[gridData](center,center,true,false)"
        },
        "text(text1, {border})" : {
            "layoutData" : "[gridData](fill,center,true,false)"
        },
        "label(_spacer)" : {},
        "label(_2)" : {
            "text" : "And the reverse will be shown here:",
            "layoutData" : "[gridData](center,center,true,false)"
        },
        "text(text2, {border}|{read_only})" : {
            "layoutData" : "[gridData](fill,center,true,false)"
        }
    }
}

ObservedForm.java

package com.foobar;

import com.google.inject.Guice;
import net.milanaleksic.baobab.*;
import net.milanaleksic.baobab.integration.CoreModule;
import net.milanaleksic.baobab.model.TransformerModel;
import org.eclipse.swt.SWT;

import javax.inject.Inject;

public class ObservedForm {

    @Inject private Transformer transformer;

    @TransformerModel(observe = true)
    private ObservedFormModel model;

    // this method will be executed every time SWT Text component
    // we named "text1" in GUI file fires Modify event
    @EmbeddedEventListener(component = "text1", event = SWT.Modify)
    private void textModified() {
        model.setText2(reverse(model.getSourceTextField()));
    }

    private String reverse(String text) {
        if (text.isEmpty())
            return "";
        char[] chars = text.toCharArray();
        StringBuilder builder = new StringBuilder(chars.length);
        builder.setLength(chars.length);
        for (int i = 0; i < text.length(); i++)
            builder.setCharAt(text.length() - i - 1, chars[i]);
        return builder.toString();
    }

    public static void main(String[] args) {
        ObservedForm observedForm = Guice.createInjector(new CoreModule()).getInstance(ObservedForm.class);
        observedForm.transformer.fillManagedForm(observedForm).showAndAwaitClosed();
    }

}

ObservedFormModel.java

package com.foobar;

import net.milanaleksic.baobab.model.TransformerProperty;

public class ObservedFormModel {

    // the following annoation is not needed for a simple binding,
    // but shows that that customization is available
    @TransformerProperty(component = "text1", value = "text")
    private String sourceTextField;

    private String text2;

    public String getSourceTextField() {
        return sourceTextField;
    }

    // will fire update of SWT component "text2" because it is a
    // properly named setter for a field without @TransformerIgnoredProperty
    public void setText2(String text2) {
        this.text2 = text2;
    }
}

repo.xml

    <repository>
        <id>mavenrepo-maven.milanaleksic.net</id>
        <name>MilanAleksic.Net repository for Maven</name>
        <url>http://maven.milanaleksic.net/release/</url>
        <layout>default</layout>
    </repository>