S3B2 UI using SWTML : 

 
<?xml version="1.0" encoding="UTF-8"?>

<!--
public static void main(String[] args) {
 
        Display display = Display.getDefault();
 
         try {
             SWTParser parser = new SWTParser();
                Shell shell = (Shell) parser.doParse(SomeClass.class.getResourceAsStream(
"/com/sheelapps/swtml/examples/s3b2.xml"));
                shell.open();
 
                while (!shell.isDisposed()) {
                    if (!display.readAndDispatch())
                        display.sleep();
                }
                display.dispose();
            } catch (Exception e) {
                    e.printStackTrace();
            }
    }
 -->
<shell text="S3B2" style="SWT.SHELL_TRIM">

    <font name="Helvetica" size="10" style="SWT.BOLD" id="helv10" />

    <grid-layout />
    <menu-bar>
        <menu style="SWT.BAR">
            <menu-item style="SWT.CASCADE" text="File">

                <menu style="SWT.DROP_DOWN">
                    <menu-item text="Connect.." />
                    <menu-item text="Preferences.." />

                    <menu-item style="SWT.SEPARATOR" />
                    <menu-item text="E&amp;xit" />

                </menu>
            </menu-item>
            <menu-item style="SWT.CASCADE" text="Extensions">

                <menu style="SWT.DROP_DOWN">
                    <menu-item text="Reload" />
                    <menu-item style="SWT.SEPARATOR" />

                </menu>
            </menu-item>
        </menu>
    </menu-bar>
 
    <sash-form style="SWT.VERTICAL">

    <grid-data h-align="SWT.FILL" v-align="SWT.FILL" h-grab="true" v-grab="true" />

        <composite>
            <sash-form>
                <fill-layout />
                <composite style="SWT.BORDER" id="localComp">

                    <grid-layout />
                    <tool-bar style="SWT.BORDER">
                        <grid-data h-align="SWT.FILL" h-grab="true" />

                        <tool-item text="Back"
                            toolTipText="Back one Directory" />
                        <tool-item text="Upload" toolTipText="Upload.." />

                        <tool-item text="Refresh" toolTipText="Refresh" />
                    </tool-bar>
                    <text style="SWT.BORDER" id="localAddressBar">

                        <grid-data h-align="SWT.FILL" h-grab="true" />
                    </text>
                    <table style="SWT.BORDER | SWT.V_SCROLL"

                        headerVisible="true" id="localTable">
                        <grid-data h-align="SWT.FILL" v-align="SWT.FILL"

                            h-grab="true" v-grab="true" />
                        <menu style="SWT.DROP_DOWN">

                            <menu-item text="Open.." />
                            <menu-item text="Upload.." />

                            <menu-item text="Refresh" />
                            <menu-item style="SWT.CASCADE" text="Extensions">

                                <menu>
                                    <menu-item  text="Sample"></menu-item>
                               </menu>
                            </menu-item>

                        </menu>        
 
                        <table-column text="File Name" style="SWT.LEFT"
                            width="150" />

                        <table-column text="File Size" style="SWT.RIGHT"
                            width="100" />

                        <table-column text="Type" style="SWT.LEFT"
                            width="100" />

                        <table-column text="Date Modified"
                            style="SWT.LEFT" width="100" />

                    </table>
                    <label style="SWT.BORDER" text="c:\"
                        id="localStatusBar">

                        <grid-data h-align="SWT.FILL" h-grab="true" />
                    </label>
                </composite>

                <!-- remote composite -->
                <composite style="SWT.BORDER" id="remoteComp">
                    <grid-layout />

                    <tool-bar style="SWT.BORDER">
                        <grid-data h-align="SWT.FILL" h-grab="true" />

                        <tool-item text="Back"
                            toolTipText="Back one Directory" />
                        <tool-item text="Download" toolTipText="Download.." />

                        <tool-item text="Make Folder" toolTipText="Make Folder" />
                        <tool-item text="Delete" toolTipText="Delete" />

                        <tool-item text="Refresh" toolTipText="Refresh" />
                        <tool-item text="Properties" toolTipText="Properties.." />

                    </tool-bar>
                    <text style="SWT.BORDER" id="remoteAddressBar">
                        <grid-data h-align="SWT.FILL" h-grab="true" />

                    </text>
                    <table style="SWT.BORDER | SWT.V_SCROLL"
                        headerVisible="true" id="remoteTable">

                        <grid-data h-align="SWT.FILL" v-align="SWT.FILL"
                            h-grab="true" v-grab="true" />

                        <menu style="SWT.DROP_DOWN">
                            <menu-item text="Download.." />
                            <menu-item text="Properties.." />

                            <menu-item text="Delete" />
                            <menu-item text="Refresh" />

                            <menu-item style="SWT.CASCADE" text="Extensions">
                                <menu>
                                    <menu-item  text="Sample"></menu-item>

                               </menu>
                            </menu-item>
                        </menu>        
                        <table-column text="File Name" style="SWT.LEFT"

                            width="150" />
                        <table-column text="File Size" style="SWT.RIGHT"

                            width="100" />
                        <table-column text="Date Modified"
                            style="SWT.LEFT" width="100" />

                    </table>
                    <label style="SWT.BORDER" text="S3:\"
                        id="remoteStatusBar">

                        <grid-data h-align="SWT.FILL" h-grab="true" />
                    </label>
 

                </composite>
            </sash-form>
 
        </composite>
        <composite style="SWT.BORDER">

            <ctab-folder simple="false" id="transferTabFolder">
                <composite id="transferComp">

                    <table style="SWT.BORDER | SWT.V_SCROLL"
                        linesVisible="true" headerVisible="true" id="transferTable">

                        <table-column text="File Name" style="SWT.LEFT"
                            width="150" />

                        <table-column text="From" style="SWT.RIGHT"
                            width="100" />

                        <table-column text="To" style="SWT.LEFT"
                            width="100" />

                        <table-column text="File Size" style="SWT.RIGHT"
                            width="100" />

                        <table-column text="Operation" style="SWT.LEFT"
                            width="100" />

                        <table-column text="Progress" style="SWT.LEFT"
                            width="100" />

                        <table-column text="Status" style="SWT.LEFT"
                            width="100" />

                        <table-column text="Speed" style="SWT.LEFT"
                            width="100" />

                    </table>
                </composite>
                <ctab-item text="Transfer Queue" _control="transferComp"

                    _font-id="helv10">
 
                </ctab-item>
            </ctab-folder>
        </composite>
 
    </sash-form>

    <label style="SWT.BORDER" text="StatusBar" id="statusBar">
    <grid-data h-align="SWT.FILL" h-grab="true"  />

    </label>
</shell>
 
 

Generated UI :