Example usage for org.eclipse.swt.widgets Label setText

List of usage examples for org.eclipse.swt.widgets Label setText

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Introduction

In this page you can find the example usage for org.eclipse.swt.widgets Label setText.

Prototype

public void setText(String text)

Source Link

Document

Sets the receiver's text.

Usage

From source file:com.android.ddmuilib.HeapPanel.java

/**
 * Create our control(s).// w  ww.  ja va  2  s .  c o  m
 */
@Override
protected Control createControl(Composite parent) {
    mDisplay = parent.getDisplay();

    GridLayout gl;

    mTop = new Composite(parent, SWT.NONE);
    mTop.setLayout(new GridLayout(1, false));
    mTop.setLayoutData(new GridData(GridData.FILL_BOTH));

    mUpdateStatus = new Label(mTop, SWT.NONE);
    setUpdateStatus(NOT_SELECTED);

    Composite summarySection = new Composite(mTop, SWT.NONE);
    summarySection.setLayout(gl = new GridLayout(2, false));
    gl.marginHeight = gl.marginWidth = 0;

    mHeapSummary = createSummaryTable(summarySection);
    mGcButton = new Button(summarySection, SWT.PUSH);
    mGcButton.setText("Cause GC");
    mGcButton.setEnabled(false);
    mGcButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            Client client = getCurrentClient();
            if (client != null) {
                client.executeGarbageCollector();
            }
        }
    });

    Composite comboSection = new Composite(mTop, SWT.NONE);
    gl = new GridLayout(2, false);
    gl.marginHeight = gl.marginWidth = 0;
    comboSection.setLayout(gl);

    Label displayLabel = new Label(comboSection, SWT.NONE);
    displayLabel.setText("Display: ");

    mDisplayMode = new Combo(comboSection, SWT.READ_ONLY);
    mDisplayMode.setEnabled(false);
    mDisplayMode.add("Stats");
    if (DISPLAY_HEAP_BITMAP) {
        mDisplayMode.add("Linear");
        if (DISPLAY_HILBERT_BITMAP) {
            mDisplayMode.add("Hilbert");
        }
    }

    // the base of the displays.
    mDisplayBase = new Composite(mTop, SWT.NONE);
    mDisplayBase.setLayoutData(new GridData(GridData.FILL_BOTH));
    mDisplayStack = new StackLayout();
    mDisplayBase.setLayout(mDisplayStack);

    // create the statistics display
    mStatisticsBase = new Composite(mDisplayBase, SWT.NONE);
    //mStatisticsBase.setLayoutData(new GridData(GridData.FILL_BOTH));
    mStatisticsBase.setLayout(gl = new GridLayout(1, false));
    gl.marginHeight = gl.marginWidth = 0;
    mDisplayStack.topControl = mStatisticsBase;

    mStatisticsTable = createDetailedTable(mStatisticsBase);
    mStatisticsTable.setLayoutData(new GridData(GridData.FILL_BOTH));

    createChart();

    //create the linear composite
    mLinearBase = new Composite(mDisplayBase, SWT.NONE);
    //mLinearBase.setLayoutData(new GridData());
    gl = new GridLayout(1, false);
    gl.marginHeight = gl.marginWidth = 0;
    mLinearBase.setLayout(gl);

    {
        mLinearHeapImage = new Label(mLinearBase, SWT.NONE);
        mLinearHeapImage.setLayoutData(new GridData());
        mLinearHeapImage.setImage(ImageLoader.createPlaceHolderArt(mDisplay, PLACEHOLDER_LINEAR_H_SIZE,
                PLACEHOLDER_LINEAR_V_SIZE, mDisplay.getSystemColor(SWT.COLOR_BLUE)));

        // create a composite to contain the bottom part (legend)
        Composite bottomSection = new Composite(mLinearBase, SWT.NONE);
        gl = new GridLayout(1, false);
        gl.marginHeight = gl.marginWidth = 0;
        bottomSection.setLayout(gl);

        createLegend(bottomSection);
    }

    /*
            mScrolledComposite = new ScrolledComposite(mTop, SWT.H_SCROLL | SWT.V_SCROLL);
            mScrolledComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
            mScrolledComposite.setExpandHorizontal(true);
            mScrolledComposite.setExpandVertical(true);
            mScrolledComposite.setContent(mDisplayBase);
    */

    // create the hilbert display.
    mHilbertBase = new Composite(mDisplayBase, SWT.NONE);
    //mHilbertBase.setLayoutData(new GridData());
    gl = new GridLayout(2, false);
    gl.marginHeight = gl.marginWidth = 0;
    mHilbertBase.setLayout(gl);

    if (DISPLAY_HILBERT_BITMAP) {
        mHilbertHeapImage = new Label(mHilbertBase, SWT.NONE);
        mHilbertHeapImage.setLayoutData(new GridData());
        mHilbertHeapImage.setImage(ImageLoader.createPlaceHolderArt(mDisplay, PLACEHOLDER_HILBERT_SIZE,
                PLACEHOLDER_HILBERT_SIZE, mDisplay.getSystemColor(SWT.COLOR_BLUE)));

        // create a composite to contain the right part (legend + zoom)
        Composite rightSection = new Composite(mHilbertBase, SWT.NONE);
        gl = new GridLayout(1, false);
        gl.marginHeight = gl.marginWidth = 0;
        rightSection.setLayout(gl);

        Composite zoomComposite = new Composite(rightSection, SWT.NONE);
        gl = new GridLayout(2, false);
        zoomComposite.setLayout(gl);

        Label l = new Label(zoomComposite, SWT.NONE);
        l.setText("Zoom:");
        mZoom = new Combo(zoomComposite, SWT.READ_ONLY);
        for (int z : ZOOMS) {
            mZoom.add(String.format("%1$d%%", z)); //$NON-NLS-1$
        }

        mZoom.select(0);
        mZoom.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                setLegendText(mZoom.getSelectionIndex());
                Client client = getCurrentClient();
                if (client != null) {
                    renderHeapData(client.getClientData(), 1, true);
                    mTop.pack();
                }
            }
        });

        createLegend(rightSection);
    }
    mHilbertBase.pack();

    mLayout = new Composite[] { mStatisticsBase, mLinearBase, mHilbertBase };
    mDisplayMode.select(0);
    mDisplayMode.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            int index = mDisplayMode.getSelectionIndex();
            Client client = getCurrentClient();

            if (client != null) {
                if (index == 0) {
                    fillDetailedTable(client, true /* forceRedraw */);
                } else {
                    renderHeapData(client.getClientData(), index - 1, true /* forceRedraw */);
                }
            }

            mDisplayStack.topControl = mLayout[index];
            //mScrolledComposite.setMinSize(mDisplayStack.topControl.computeSize(SWT.DEFAULT,
            //        SWT.DEFAULT));
            mDisplayBase.layout();
            //mScrolledComposite.redraw();
        }
    });

    //mScrolledComposite.setMinSize(mDisplayStack.topControl.computeSize(SWT.DEFAULT,
    //        SWT.DEFAULT));
    mDisplayBase.layout();
    //mScrolledComposite.redraw();

    return mTop;
}

From source file:DNDExample.java

private Control createWidget(int type, Composite parent, String prefix) {
    switch (type) {
    case BUTTON_CHECK: {
        Button button = new Button(parent, SWT.CHECK);
        button.setText(prefix + " Check box");
        return button;
    }/*from   ww  w. j a v  a  2 s  . c  om*/
    case BUTTON_TOGGLE: {
        Button button = new Button(parent, SWT.TOGGLE);
        button.setText(prefix + " Toggle button");
        return button;
    }
    case BUTTON_RADIO: {
        Button button = new Button(parent, SWT.RADIO);
        button.setText(prefix + " Radio button");
        return button;
    }
    case TABLE: {
        Table table = new Table(parent, SWT.BORDER | SWT.MULTI);
        TableColumn column1 = new TableColumn(table, SWT.NONE);
        TableColumn column2 = new TableColumn(table, SWT.NONE);
        for (int i = 0; i < 10; i++) {
            TableItem item = new TableItem(table, SWT.NONE);
            item.setText(0, prefix + " name " + i);
            item.setText(1, prefix + " value " + i);
        }
        column1.pack();
        column2.pack();
        return table;
    }
    case TEXT: {
        Text text = new Text(parent, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
        text.setText(prefix + " Text");
        return text;
    }
    case TREE: {
        Tree tree = new Tree(parent, SWT.BORDER);
        for (int i = 0; i < 3; i++) {
            TreeItem item = new TreeItem(tree, SWT.NONE);
            item.setText(prefix + " item " + i);
            for (int j = 0; j < 3; j++) {
                TreeItem subItem = new TreeItem(item, SWT.NONE);
                subItem.setText(prefix + " item " + j);
                for (int k = 0; k < 3; k++) {
                    TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
                    subsubItem.setText(prefix + " item " + k);
                }
            }
        }
        return tree;
    }
    case CANVAS: {
        Canvas canvas = new Canvas(parent, SWT.BORDER);
        canvas.setData("STRINGS", new String[] { prefix + " Canvas widget" });
        canvas.addPaintListener(new PaintListener() {
            public void paintControl(PaintEvent e) {
                Canvas c = (Canvas) e.widget;
                Image image = (Image) c.getData("IMAGE");
                if (image != null) {
                    e.gc.drawImage(image, 5, 5);
                } else {
                    String[] strings = (String[]) c.getData("STRINGS");
                    if (strings != null) {
                        FontMetrics metrics = e.gc.getFontMetrics();
                        int height = metrics.getHeight();
                        int y = 5;
                        for (int i = 0; i < strings.length; i++) {
                            e.gc.drawString(strings[i], 5, y);
                            y += height + 5;
                        }
                    }
                }
            }
        });
        return canvas;
    }
    case LABEL: {
        Label label = new Label(parent, SWT.BORDER);
        label.setText(prefix + " Label");
        return label;
    }
    case LIST: {
        List list = new List(parent, SWT.BORDER);
        list.setItems(new String[] { prefix + " Item a", prefix + " Item b", prefix + " Item c",
                prefix + " Item d" });
        return list;
    }
    default:
        throw new SWTError(SWT.ERROR_NOT_IMPLEMENTED);
    }
}

From source file:DNDExample.java

private void createDropTarget() {
    if (dropTarget != null)
        dropTarget.dispose();/* ww  w  .  j  a va 2 s  .  c om*/
    dropTarget = new DropTarget(dropControl, dropOperation);
    dropTarget.setTransfer(dropTypes);
    dropTarget.addDropListener(new DropTargetListener() {
        public void dragEnter(DropTargetEvent event) {
            dropConsole.append(">>dragEnter\n");
            printEvent(event);
            if (event.detail == DND.DROP_DEFAULT) {
                event.detail = dropDefaultOperation;
            }
            event.feedback = dropFeedback;
        }

        public void dragLeave(DropTargetEvent event) {
            dropConsole.append(">>dragLeave\n");
            printEvent(event);
        }

        public void dragOperationChanged(DropTargetEvent event) {
            dropConsole.append(">>dragOperationChanged\n");
            printEvent(event);
            if (event.detail == DND.DROP_DEFAULT) {
                event.detail = dropDefaultOperation;
            }
            event.feedback = dropFeedback;
        }

        public void dragOver(DropTargetEvent event) {
            dropConsole.append(">>dragOver\n");
            printEvent(event);
            event.feedback = dropFeedback;
        }

        public void drop(DropTargetEvent event) {
            dropConsole.append(">>drop\n");
            printEvent(event);
            String[] strings = null;
            if (TextTransfer.getInstance().isSupportedType(event.currentDataType)
                    || RTFTransfer.getInstance().isSupportedType(event.currentDataType)
                    || HTMLTransfer.getInstance().isSupportedType(event.currentDataType)) {
                strings = new String[] { (String) event.data };
            }
            if (FileTransfer.getInstance().isSupportedType(event.currentDataType)) {
                strings = (String[]) event.data;
            }
            if (strings == null || strings.length == 0) {
                dropConsole.append("!!Invalid data dropped");
                return;
            }

            if (strings.length == 1
                    && (dropControlType == TABLE || dropControlType == TREE || dropControlType == LIST)) {
                // convert string separated by "\n" into an array of strings
                String string = strings[0];
                int count = 0;
                int offset = string.indexOf("\n", 0);
                while (offset > 0) {
                    count++;
                    offset = string.indexOf("\n", offset + 1);
                }
                if (count > 0) {
                    strings = new String[count + 1];
                    int start = 0;
                    int end = string.indexOf("\n");
                    int index = 0;
                    while (start < end) {
                        strings[index++] = string.substring(start, end);
                        start = end + 1;
                        end = string.indexOf("\n", start);
                        if (end == -1)
                            end = string.length();
                    }
                }
            }
            switch (dropControlType) {
            case BUTTON_CHECK:
            case BUTTON_TOGGLE:
            case BUTTON_RADIO: {
                Button b = (Button) dropControl;
                b.setText(strings[0]);
                break;
            }
            case TABLE: {
                Table table = (Table) dropControl;
                Point p = event.display.map(null, table, event.x, event.y);
                TableItem dropItem = table.getItem(p);
                int index = dropItem == null ? table.getItemCount() : table.indexOf(dropItem);
                for (int i = 0; i < strings.length; i++) {
                    TableItem item = new TableItem(table, SWT.NONE, index);
                    item.setText(0, strings[i]);
                    item.setText(1, "dropped item");
                }
                TableColumn[] columns = table.getColumns();
                for (int i = 0; i < columns.length; i++) {
                    columns[i].pack();
                }
                break;
            }
            case TEXT: {
                Text text = (Text) dropControl;
                for (int i = 0; i < strings.length; i++) {
                    text.append(strings[i] + "\n");
                }
                break;
            }
            case TREE: {
                Tree tree = (Tree) dropControl;
                Point p = event.display.map(null, tree, event.x, event.y);
                TreeItem parentItem = tree.getItem(p);
                for (int i = 0; i < strings.length; i++) {
                    TreeItem item = parentItem != null ? new TreeItem(parentItem, SWT.NONE)
                            : new TreeItem(tree, SWT.NONE);
                    item.setText(strings[i]);
                }
                break;
            }
            case CANVAS: {
                dropControl.setData("STRINGS", strings);
                dropControl.redraw();
                break;
            }
            case LABEL: {
                Label label = (Label) dropControl;
                label.setText(strings[0]);
                break;
            }
            case LIST: {
                List list = (List) dropControl;
                for (int i = 0; i < strings.length; i++) {
                    list.add(strings[i]);
                }
                break;
            }
            default:
                throw new SWTError(SWT.ERROR_NOT_IMPLEMENTED);
            }
        }

        public void dropAccept(DropTargetEvent event) {
            dropConsole.append(">>dropAccept\n");
            printEvent(event);
        }
    });
}

From source file:DNDExample.java

public void open(Display display) {
    Shell shell = new Shell(display);
    shell.setText("Drag and Drop Example");
    shell.setLayout(new FillLayout());

    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    sc.setContent(parent);//from   w  w  w.  ja  va 2s.co m
    parent.setLayout(new FormLayout());

    Label dragLabel = new Label(parent, SWT.LEFT);
    dragLabel.setText("Drag Source:");

    Group dragWidgetGroup = new Group(parent, SWT.NONE);
    dragWidgetGroup.setText("Widget");
    createDragWidget(dragWidgetGroup);

    Composite cLeft = new Composite(parent, SWT.NONE);
    cLeft.setLayout(new GridLayout(2, false));

    Group dragOperationsGroup = new Group(cLeft, SWT.NONE);
    dragOperationsGroup.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1));
    dragOperationsGroup.setText("Allowed Operation(s):");
    createDragOperations(dragOperationsGroup);

    Group dragTypesGroup = new Group(cLeft, SWT.NONE);
    dragTypesGroup.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
    dragTypesGroup.setText("Transfer Type(s):");
    createDragTypes(dragTypesGroup);

    dragConsole = new Text(cLeft, SWT.READ_ONLY | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI);
    dragConsole.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    Menu menu = new Menu(shell, SWT.POP_UP);
    MenuItem item = new MenuItem(menu, SWT.PUSH);
    item.setText("Clear");
    item.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            dragConsole.setText("");
        }
    });
    item = new MenuItem(menu, SWT.CHECK);
    item.setText("Show Event detail");
    item.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            MenuItem item = (MenuItem) e.widget;
            dragEventDetail = item.getSelection();
        }
    });
    dragConsole.setMenu(menu);

    Label dropLabel = new Label(parent, SWT.LEFT);
    dropLabel.setText("Drop Target:");

    Group dropWidgetGroup = new Group(parent, SWT.NONE);
    dropWidgetGroup.setText("Widget");
    createDropWidget(dropWidgetGroup);

    Composite cRight = new Composite(parent, SWT.NONE);
    cRight.setLayout(new GridLayout(2, false));

    Group dropOperationsGroup = new Group(cRight, SWT.NONE);
    dropOperationsGroup.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 2));
    dropOperationsGroup.setText("Allowed Operation(s):");
    createDropOperations(dropOperationsGroup);

    Group dropTypesGroup = new Group(cRight, SWT.NONE);
    dropTypesGroup.setText("Transfer Type(s):");
    createDropTypes(dropTypesGroup);

    Group feedbackTypesGroup = new Group(cRight, SWT.NONE);
    feedbackTypesGroup.setText("Feedback Type(s):");
    createFeedbackTypes(feedbackTypesGroup);

    dropConsole = new Text(cRight, SWT.READ_ONLY | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI);
    dropConsole.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    menu = new Menu(shell, SWT.POP_UP);
    item = new MenuItem(menu, SWT.PUSH);
    item.setText("Clear");
    item.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            dropConsole.setText("");
        }
    });
    item = new MenuItem(menu, SWT.CHECK);
    item.setText("Show Event detail");
    item.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            MenuItem item = (MenuItem) e.widget;
            dropEventDetail = item.getSelection();
        }
    });
    dropConsole.setMenu(menu);

    int height = 200;
    FormData data = new FormData();
    data.top = new FormAttachment(0, 10);
    data.left = new FormAttachment(0, 10);
    dragLabel.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dragLabel, 10);
    data.left = new FormAttachment(0, 10);
    data.right = new FormAttachment(50, -10);
    data.height = height;
    dragWidgetGroup.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dragWidgetGroup, 10);
    data.left = new FormAttachment(0, 10);
    data.right = new FormAttachment(50, -10);
    data.bottom = new FormAttachment(100, -10);
    cLeft.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(0, 10);
    data.left = new FormAttachment(cLeft, 10);
    dropLabel.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dropLabel, 10);
    data.left = new FormAttachment(cLeft, 10);
    data.right = new FormAttachment(100, -10);
    data.height = height;
    dropWidgetGroup.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dropWidgetGroup, 10);
    data.left = new FormAttachment(cLeft, 10);
    data.right = new FormAttachment(100, -10);
    data.bottom = new FormAttachment(100, -10);
    cRight.setLayoutData(data);

    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);

    Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = shell.getMonitor().getClientArea();
    shell.setSize(Math.min(size.x, monitorArea.width - 20), Math.min(size.y, monitorArea.height - 20));
    shell.open();

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
}

From source file:org.eclipse.swt.examples.dnd.DNDExample.java

private Control createWidget(int type, Composite parent, String prefix) {
    switch (type) {
    case BUTTON_CHECK: {
        Button button = new Button(parent, SWT.CHECK);
        button.setText(prefix + " Check box");
        return button;
    }//from  w  ww .  j  a  v a 2 s.  com
    case BUTTON_TOGGLE: {
        Button button = new Button(parent, SWT.TOGGLE);
        button.setText(prefix + " Toggle button");
        return button;
    }
    case BUTTON_RADIO: {
        Button button = new Button(parent, SWT.RADIO);
        button.setText(prefix + " Radio button");
        return button;
    }
    case STYLED_TEXT: {
        StyledText text = new StyledText(parent, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
        text.setText(prefix + " Styled Text");
        return text;
    }
    case TABLE: {
        Table table = new Table(parent, SWT.BORDER | SWT.MULTI);
        table.setHeaderVisible(true);
        TableColumn column0 = new TableColumn(table, SWT.LEFT);
        column0.setText("Name");
        TableColumn column1 = new TableColumn(table, SWT.RIGHT);
        column1.setText("Value");
        TableColumn column2 = new TableColumn(table, SWT.CENTER);
        column2.setText("Description");
        for (int i = 0; i < 10; i++) {
            TableItem item = new TableItem(table, SWT.NONE);
            item.setText(0, prefix + " name " + i);
            item.setText(1, prefix + " value " + i);
            item.setText(2, prefix + " description " + i);
            item.setImage(itemImage);
        }
        column0.pack();
        column1.pack();
        column2.pack();
        return table;
    }
    case TEXT: {
        Text text = new Text(parent, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL);
        text.setText(prefix + " Text");
        return text;
    }
    case TREE: {
        Tree tree = new Tree(parent, SWT.BORDER | SWT.MULTI);
        tree.setHeaderVisible(true);
        TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
        column0.setText("Name");
        TreeColumn column1 = new TreeColumn(tree, SWT.RIGHT);
        column1.setText("Value");
        TreeColumn column2 = new TreeColumn(tree, SWT.CENTER);
        column2.setText("Description");
        for (int i = 0; i < 3; i++) {
            TreeItem item = new TreeItem(tree, SWT.NONE);
            item.setText(0, prefix + " name " + i);
            item.setText(1, prefix + " value " + i);
            item.setText(2, prefix + " description " + i);
            item.setImage(itemImage);
            for (int j = 0; j < 3; j++) {
                TreeItem subItem = new TreeItem(item, SWT.NONE);
                subItem.setText(0, prefix + " name " + i + " " + j);
                subItem.setText(1, prefix + " value " + i + " " + j);
                subItem.setText(2, prefix + " description " + i + " " + j);
                subItem.setImage(itemImage);
                for (int k = 0; k < 3; k++) {
                    TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
                    subsubItem.setText(0, prefix + " name " + i + " " + j + " " + k);
                    subsubItem.setText(1, prefix + " value " + i + " " + j + " " + k);
                    subsubItem.setText(2, prefix + " description " + i + " " + j + " " + k);
                    subsubItem.setImage(itemImage);
                }
            }
        }
        column0.pack();
        column1.pack();
        column2.pack();
        return tree;
    }
    case CANVAS: {
        Canvas canvas = new Canvas(parent, SWT.BORDER);
        canvas.setData("STRINGS", new String[] { prefix + " Canvas widget" });
        canvas.addPaintListener(e -> {
            Canvas c = (Canvas) e.widget;
            Image image = (Image) c.getData("IMAGE");
            if (image != null) {
                e.gc.drawImage(image, 5, 5);
            } else {
                String[] strings = (String[]) c.getData("STRINGS");
                if (strings != null) {
                    FontMetrics metrics = e.gc.getFontMetrics();
                    int height = metrics.getHeight();
                    int y = 5;
                    for (String string : strings) {
                        e.gc.drawString(string, 5, y);
                        y += height + 5;
                    }
                }
            }
        });
        return canvas;
    }
    case LABEL: {
        Label label = new Label(parent, SWT.BORDER);
        label.setText(prefix + " Label");
        return label;
    }
    case LIST: {
        List list = new List(parent, SWT.BORDER | SWT.MULTI);
        list.setItems(prefix + " Item a", prefix + " Item b", prefix + " Item c", prefix + " Item d");
        return list;
    }
    case COMBO: {
        Combo combo = new Combo(parent, SWT.BORDER);
        combo.setItems("Item a", "Item b", "Item c", "Item d");
        return combo;
    }
    default:
        throw new SWTError(SWT.ERROR_NOT_IMPLEMENTED);
    }
}

From source file:DNDExample.java

private void createDropOperations(Composite parent) {
    parent.setLayout(new RowLayout(SWT.VERTICAL));
    final Button moveButton = new Button(parent, SWT.CHECK);
    moveButton.setText("DND.DROP_MOVE");
    moveButton.setSelection(true);/*www.  j  a  va 2  s  .c om*/
    dropOperation = DND.DROP_MOVE;
    moveButton.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropOperation |= DND.DROP_MOVE;
            } else {
                dropOperation = dropOperation & ~DND.DROP_MOVE;
                if (dropOperation == 0 || (dropDefaultOperation & DND.DROP_MOVE) != 0) {
                    dropOperation |= DND.DROP_MOVE;
                    moveButton.setSelection(true);
                }
            }
            if (dropEnabled) {
                createDropTarget();
            }
        }
    });

    final Button copyButton = new Button(parent, SWT.CHECK);
    copyButton.setText("DND.DROP_COPY");
    copyButton.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropOperation |= DND.DROP_COPY;
            } else {
                dropOperation = dropOperation & ~DND.DROP_COPY;
                if (dropOperation == 0 || (dropDefaultOperation & DND.DROP_COPY) != 0) {
                    dropOperation = DND.DROP_COPY;
                    copyButton.setSelection(true);
                }
            }
            if (dropEnabled) {
                createDropTarget();
            }
        }
    });

    final Button linkButton = new Button(parent, SWT.CHECK);
    linkButton.setText("DND.DROP_LINK");
    linkButton.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropOperation |= DND.DROP_LINK;
            } else {
                dropOperation = dropOperation & ~DND.DROP_LINK;
                if (dropOperation == 0 || (dropDefaultOperation & DND.DROP_LINK) != 0) {
                    dropOperation = DND.DROP_LINK;
                    linkButton.setSelection(true);
                }
            }
            if (dropEnabled) {
                createDropTarget();
            }
        }
    });

    Button b = new Button(parent, SWT.CHECK);
    b.setText("DND.DROP_DEFAULT");
    defaultParent = new Composite(parent, SWT.NONE);
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropOperation |= DND.DROP_DEFAULT;
                defaultParent.setVisible(true);
            } else {
                dropOperation = dropOperation & ~DND.DROP_DEFAULT;
                defaultParent.setVisible(false);
            }
            if (dropEnabled) {
                createDropTarget();
            }
        }
    });

    defaultParent.setVisible(false);
    GridLayout layout = new GridLayout();
    layout.marginWidth = 20;
    defaultParent.setLayout(layout);
    Label label = new Label(defaultParent, SWT.NONE);
    label.setText("Value for default operation is:");
    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_MOVE");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropDefaultOperation = DND.DROP_MOVE;
                dropOperation |= DND.DROP_MOVE;
                moveButton.setSelection(true);
                if (dropEnabled) {
                    createDropTarget();
                }
            }
        }
    });

    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_COPY");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropDefaultOperation = DND.DROP_COPY;
                dropOperation |= DND.DROP_COPY;
                copyButton.setSelection(true);
                if (dropEnabled) {
                    createDropTarget();
                }
            }
        }
    });

    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_LINK");
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropDefaultOperation = DND.DROP_LINK;
                dropOperation |= DND.DROP_LINK;
                linkButton.setSelection(true);
                if (dropEnabled) {
                    createDropTarget();
                }
            }
        }
    });

    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_NONE");
    b.setSelection(true);
    b.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            Button b = (Button) e.widget;
            if (b.getSelection()) {
                dropDefaultOperation = DND.DROP_NONE;
                dropOperation &= ~DND.DROP_DEFAULT;
                if (dropEnabled) {
                    createDropTarget();
                }
            }
        }
    });
}

From source file:org.eclipse.swt.examples.dnd.DNDExample.java

public void open(Display display) {
    Shell shell = new Shell(display);
    shell.setText("Drag and Drop Example");
    shell.setLayout(new FillLayout());

    itemImage = new Image(display, DNDExample.class.getResourceAsStream("openFolder.gif"));

    ScrolledComposite sc = new ScrolledComposite(shell, SWT.H_SCROLL | SWT.V_SCROLL);
    Composite parent = new Composite(sc, SWT.NONE);
    sc.setContent(parent);/*www . ja v  a2s.c  om*/
    parent.setLayout(new FormLayout());

    Label dragLabel = new Label(parent, SWT.LEFT);
    dragLabel.setText("Drag Source:");

    Group dragWidgetGroup = new Group(parent, SWT.NONE);
    dragWidgetGroup.setText("Widget");
    createDragWidget(dragWidgetGroup);

    Composite cLeft = new Composite(parent, SWT.NONE);
    cLeft.setLayout(new GridLayout(2, false));

    Group dragOperationsGroup = new Group(cLeft, SWT.NONE);
    dragOperationsGroup.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 1));
    dragOperationsGroup.setText("Allowed Operation(s):");
    createDragOperations(dragOperationsGroup);

    Group dragTypesGroup = new Group(cLeft, SWT.NONE);
    dragTypesGroup.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 1, 1));
    dragTypesGroup.setText("Transfer Type(s):");
    createDragTypes(dragTypesGroup);

    dragConsole = new Text(cLeft, SWT.READ_ONLY | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI);
    dragConsole.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    Menu menu = new Menu(shell, SWT.POP_UP);
    MenuItem item = new MenuItem(menu, SWT.PUSH);
    item.setText("Clear");
    item.addSelectionListener(widgetSelectedAdapter(e -> dragConsole.setText("")));
    item = new MenuItem(menu, SWT.CHECK);
    item.setText("Show Event detail");
    item.addSelectionListener(widgetSelectedAdapter(e -> {
        MenuItem eItem = (MenuItem) e.widget;
        dragEventDetail = eItem.getSelection();
    }));
    dragConsole.setMenu(menu);

    Label dropLabel = new Label(parent, SWT.LEFT);
    dropLabel.setText("Drop Target:");

    Group dropWidgetGroup = new Group(parent, SWT.NONE);
    dropWidgetGroup.setText("Widget");
    createDropWidget(dropWidgetGroup);

    Composite cRight = new Composite(parent, SWT.NONE);
    cRight.setLayout(new GridLayout(2, false));

    Group dropOperationsGroup = new Group(cRight, SWT.NONE);
    dropOperationsGroup.setLayoutData(new GridData(SWT.LEFT, SWT.FILL, false, false, 1, 2));
    dropOperationsGroup.setText("Allowed Operation(s):");
    createDropOperations(dropOperationsGroup);

    Group dropTypesGroup = new Group(cRight, SWT.NONE);
    dropTypesGroup.setText("Transfer Type(s):");
    createDropTypes(dropTypesGroup);

    Group feedbackTypesGroup = new Group(cRight, SWT.NONE);
    feedbackTypesGroup.setText("Feedback Type(s):");
    createFeedbackTypes(feedbackTypesGroup);

    dropConsole = new Text(cRight, SWT.READ_ONLY | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI);
    dropConsole.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    menu = new Menu(shell, SWT.POP_UP);
    item = new MenuItem(menu, SWT.PUSH);
    item.setText("Clear");
    item.addSelectionListener(widgetSelectedAdapter(e -> dropConsole.setText("")));
    item = new MenuItem(menu, SWT.CHECK);
    item.setText("Show Event detail");
    item.addSelectionListener(widgetSelectedAdapter(e -> {
        MenuItem eItem = (MenuItem) e.widget;
        dropEventDetail = eItem.getSelection();
    }));
    dropConsole.setMenu(menu);

    if (dragEnabled)
        createDragSource();
    if (dropEnabled)
        createDropTarget();

    int height = 200;
    FormData data = new FormData();
    data.top = new FormAttachment(0, 10);
    data.left = new FormAttachment(0, 10);
    dragLabel.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dragLabel, 10);
    data.left = new FormAttachment(0, 10);
    data.right = new FormAttachment(50, -10);
    data.height = height;
    dragWidgetGroup.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dragWidgetGroup, 10);
    data.left = new FormAttachment(0, 10);
    data.right = new FormAttachment(50, -10);
    data.bottom = new FormAttachment(100, -10);
    cLeft.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(0, 10);
    data.left = new FormAttachment(cLeft, 10);
    dropLabel.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dropLabel, 10);
    data.left = new FormAttachment(cLeft, 10);
    data.right = new FormAttachment(100, -10);
    data.height = height;
    dropWidgetGroup.setLayoutData(data);

    data = new FormData();
    data.top = new FormAttachment(dropWidgetGroup, 10);
    data.left = new FormAttachment(cLeft, 10);
    data.right = new FormAttachment(100, -10);
    data.bottom = new FormAttachment(100, -10);
    cRight.setLayoutData(data);

    sc.setMinSize(parent.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);

    Point size = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    Rectangle monitorArea = shell.getMonitor().getClientArea();
    shell.setSize(Math.min(size.x, monitorArea.width - 20), Math.min(size.y, monitorArea.height - 20));
    shell.open();

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    itemImage.dispose();
}

From source file:org.eclipse.swt.examples.dnd.DNDExample.java

private void createDropOperations(Composite parent) {
    parent.setLayout(new RowLayout(SWT.VERTICAL));
    final Button moveButton = new Button(parent, SWT.CHECK);
    moveButton.setText("DND.DROP_MOVE");
    moveButton.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b = (Button) e.widget;
        if (b.getSelection()) {
            dropOperation |= DND.DROP_MOVE;
        } else {/*from w  w w .  j a v  a  2  s  . co m*/
            dropOperation = dropOperation & ~DND.DROP_MOVE;
            if (dropOperation == 0 || (dropDefaultOperation & DND.DROP_MOVE) != 0) {
                dropOperation |= DND.DROP_MOVE;
                moveButton.setSelection(true);
            }
        }
        if (dropEnabled) {
            createDropTarget();
        }
    }));

    final Button copyButton = new Button(parent, SWT.CHECK);
    copyButton.setText("DND.DROP_COPY");
    copyButton.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b = (Button) e.widget;
        if (b.getSelection()) {
            dropOperation |= DND.DROP_COPY;
        } else {
            dropOperation = dropOperation & ~DND.DROP_COPY;
            if (dropOperation == 0 || (dropDefaultOperation & DND.DROP_COPY) != 0) {
                dropOperation = DND.DROP_COPY;
                copyButton.setSelection(true);
            }
        }
        if (dropEnabled) {
            createDropTarget();
        }
    }));

    final Button linkButton = new Button(parent, SWT.CHECK);
    linkButton.setText("DND.DROP_LINK");
    linkButton.addSelectionListener(widgetSelectedAdapter(e -> {
        Button eb = (Button) e.widget;
        if (eb.getSelection()) {
            dropOperation |= DND.DROP_LINK;
        } else {
            dropOperation = dropOperation & ~DND.DROP_LINK;
            if (dropOperation == 0 || (dropDefaultOperation & DND.DROP_LINK) != 0) {
                dropOperation = DND.DROP_LINK;
                linkButton.setSelection(true);
            }
        }
        if (dropEnabled) {
            createDropTarget();
        }
    }));

    Button b = new Button(parent, SWT.CHECK);
    b.setText("DND.DROP_DEFAULT");
    defaultParent = new Composite(parent, SWT.NONE);
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button eb = (Button) e.widget;
        if (eb.getSelection()) {
            dropOperation |= DND.DROP_DEFAULT;
            defaultParent.setVisible(true);
        } else {
            dropOperation = dropOperation & ~DND.DROP_DEFAULT;
            defaultParent.setVisible(false);
        }
        if (dropEnabled) {
            createDropTarget();
        }
    }));

    defaultParent.setVisible(false);
    GridLayout layout = new GridLayout();
    layout.marginWidth = 20;
    defaultParent.setLayout(layout);
    Label label = new Label(defaultParent, SWT.NONE);
    label.setText("Value for default operation is:");
    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_MOVE");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button eb = (Button) e.widget;
        if (eb.getSelection()) {
            dropDefaultOperation = DND.DROP_MOVE;
            dropOperation |= DND.DROP_MOVE;
            moveButton.setSelection(true);
            if (dropEnabled) {
                createDropTarget();
            }
        }
    }));

    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_COPY");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button eb = (Button) e.widget;
        if (eb.getSelection()) {
            dropDefaultOperation = DND.DROP_COPY;
            dropOperation |= DND.DROP_COPY;
            copyButton.setSelection(true);
            if (dropEnabled) {
                createDropTarget();
            }
        }
    }));

    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_LINK");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button eb = (Button) e.widget;
        if (eb.getSelection()) {
            dropDefaultOperation = DND.DROP_LINK;
            dropOperation |= DND.DROP_LINK;
            linkButton.setSelection(true);
            if (dropEnabled) {
                createDropTarget();
            }
        }
    }));

    b = new Button(defaultParent, SWT.RADIO);
    b.setText("DND.DROP_NONE");
    b.setSelection(true);
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button eb = (Button) e.widget;
        if (eb.getSelection()) {
            dropDefaultOperation = DND.DROP_NONE;
            dropOperation &= ~DND.DROP_DEFAULT;
            if (dropEnabled) {
                createDropTarget();
            }
        }
    }));

    // initialize state
    moveButton.setSelection(true);
    copyButton.setSelection(true);
    linkButton.setSelection(true);
    dropOperation = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
}

From source file:org.eclipse.swt.examples.dnd.DNDExample.java

private void createDropTarget() {
    if (dropTarget != null)
        dropTarget.dispose();//from   ww  w .  j  ava2  s  .c o m
    dropTarget = new DropTarget(dropControl, dropOperation);
    dropTarget.setTransfer(dropTypes);
    dropTarget.addDropListener(new DropTargetListener() {
        @Override
        public void dragEnter(DropTargetEvent event) {
            dropConsole.append(">>dragEnter\n");
            printEvent(event);
            if (event.detail == DND.DROP_DEFAULT) {
                event.detail = dropDefaultOperation;
            }
            event.feedback = dropFeedback;
        }

        @Override
        public void dragLeave(DropTargetEvent event) {
            dropConsole.append(">>dragLeave\n");
            printEvent(event);
        }

        @Override
        public void dragOperationChanged(DropTargetEvent event) {
            dropConsole.append(">>dragOperationChanged\n");
            printEvent(event);
            if (event.detail == DND.DROP_DEFAULT) {
                event.detail = dropDefaultOperation;
            }
            event.feedback = dropFeedback;
        }

        @Override
        public void dragOver(DropTargetEvent event) {
            dropConsole.append(">>dragOver\n");
            printEvent(event);
            event.feedback = dropFeedback;
        }

        @Override
        public void drop(DropTargetEvent event) {
            dropConsole.append(">>drop\n");
            printEvent(event);
            String[] strings = null;
            if (TextTransfer.getInstance().isSupportedType(event.currentDataType)
                    || RTFTransfer.getInstance().isSupportedType(event.currentDataType)
                    || HTMLTransfer.getInstance().isSupportedType(event.currentDataType)
                    || URLTransfer.getInstance().isSupportedType(event.currentDataType)) {
                strings = new String[] { (String) event.data };
            }
            if (FileTransfer.getInstance().isSupportedType(event.currentDataType)) {
                strings = (String[]) event.data;
            }
            if (strings == null || strings.length == 0) {
                dropConsole.append("!!Invalid data dropped");
                return;
            }

            if (strings.length == 1
                    && (dropControlType == TABLE || dropControlType == TREE || dropControlType == LIST)) {
                // convert string separated by "\n" into an array of strings
                String string = strings[0];
                int count = 0;
                int offset = string.indexOf("\n", 0);
                while (offset > 0) {
                    count++;
                    offset = string.indexOf("\n", offset + 1);
                }
                if (count > 0) {
                    strings = new String[count + 1];
                    int start = 0;
                    int end = string.indexOf("\n");
                    int index = 0;
                    while (start < end) {
                        strings[index++] = string.substring(start, end);
                        start = end + 1;
                        end = string.indexOf("\n", start);
                        if (end == -1)
                            end = string.length();
                    }
                }
            }
            switch (dropControlType) {
            case BUTTON_CHECK:
            case BUTTON_TOGGLE:
            case BUTTON_RADIO: {
                Button b = (Button) dropControl;
                b.setText(strings[0]);
                break;
            }
            case STYLED_TEXT: {
                StyledText text = (StyledText) dropControl;
                for (String string : strings) {
                    text.insert(string);
                }
                break;
            }
            case TABLE: {
                Table table = (Table) dropControl;
                Point p = event.display.map(null, table, event.x, event.y);
                TableItem dropItem = table.getItem(p);
                int index = dropItem == null ? table.getItemCount() : table.indexOf(dropItem);
                for (String string : strings) {
                    TableItem item = new TableItem(table, SWT.NONE, index);
                    item.setText(0, string);
                    item.setText(1, "dropped item");
                }
                TableColumn[] columns = table.getColumns();
                for (TableColumn column : columns) {
                    column.pack();
                }
                break;
            }
            case TEXT: {
                Text text = (Text) dropControl;
                for (String string : strings) {
                    text.append(string + "\n");
                }
                break;
            }
            case TREE: {
                Tree tree = (Tree) dropControl;
                Point p = event.display.map(null, tree, event.x, event.y);
                TreeItem parentItem = tree.getItem(p);
                for (String string : strings) {
                    TreeItem item = parentItem != null ? new TreeItem(parentItem, SWT.NONE)
                            : new TreeItem(tree, SWT.NONE);
                    item.setText(string);
                }
                break;
            }
            case CANVAS: {
                dropControl.setData("STRINGS", strings);
                dropControl.redraw();
                break;
            }
            case LABEL: {
                Label label = (Label) dropControl;
                label.setText(strings[0]);
                break;
            }
            case LIST: {
                List list = (List) dropControl;
                for (String string : strings) {
                    list.add(string);
                }
                break;
            }
            case COMBO: {
                Combo combo = (Combo) dropControl;
                combo.setText(strings[0]);
                break;
            }
            default:
                throw new SWTError(SWT.ERROR_NOT_IMPLEMENTED);
            }
        }

        @Override
        public void dropAccept(DropTargetEvent event) {
            dropConsole.append(">>dropAccept\n");
            printEvent(event);
        }
    });
}

From source file:DNDExample.java

private void createDragSource() {
    if (dragSource != null)
        dragSource.dispose();//  www .  j a v a2s.co m
    dragSource = new DragSource(dragControl, dragOperation);
    dragSource.setTransfer(dragTypes);
    dragSource.addDragListener(new DragSourceListener() {
        public void dragFinished(org.eclipse.swt.dnd.DragSourceEvent event) {
            dragConsole.append(">>dragFinished\n");
            printEvent(event);
            dragDataText = dragDataRTF = dragDataHTML = null;
            dragDataFiles = null;
            if (event.detail == DND.DROP_MOVE) {
                switch (dragControlType) {
                case BUTTON_CHECK:
                case BUTTON_TOGGLE:
                case BUTTON_RADIO: {
                    Button b = (Button) dragControl;
                    b.setText("");
                    break;
                }
                case TABLE: {
                    Table table = (Table) dragControl;
                    TableItem[] items = table.getSelection();
                    for (int i = 0; i < items.length; i++) {
                        items[i].dispose();
                    }
                    break;
                }
                case TEXT: {
                    Text text = (Text) dragControl;
                    text.clearSelection();
                    break;
                }
                case TREE: {
                    Tree tree = (Tree) dragControl;
                    TreeItem[] items = tree.getSelection();
                    for (int i = 0; i < items.length; i++) {
                        items[i].dispose();
                    }
                    break;
                }
                case CANVAS: {
                    dragControl.setData("STRINGS", null);
                    dragControl.redraw();
                    break;
                }
                case LABEL: {
                    Label label = (Label) dragControl;
                    label.setText("");
                    break;
                }
                case LIST: {
                    List list = (List) dragControl;
                    int[] indices = list.getSelectionIndices();
                    list.remove(indices);
                    break;
                }
                }
            }
        }

        public void dragSetData(org.eclipse.swt.dnd.DragSourceEvent event) {
            dragConsole.append(">>dragSetData\n");
            printEvent(event);
            if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
                event.data = dragDataText;
            }
            if (RTFTransfer.getInstance().isSupportedType(event.dataType)) {
                event.data = dragDataRTF;
            }
            if (HTMLTransfer.getInstance().isSupportedType(event.dataType)) {
                event.data = dragDataHTML;
            }
            if (FileTransfer.getInstance().isSupportedType(event.dataType)) {
                event.data = dragDataFiles;
            }
        }

        public void dragStart(org.eclipse.swt.dnd.DragSourceEvent event) {
            dragConsole.append(">>dragStart\n");
            printEvent(event);
            dragDataFiles = fileList.getItems();
            switch (dragControlType) {
            case BUTTON_CHECK:
            case BUTTON_TOGGLE:
            case BUTTON_RADIO: {
                Button b = (Button) dragControl;
                dragDataText = b.getSelection() ? "true" : "false";
                break;
            }
            case TABLE: {
                Table table = (Table) dragControl;
                TableItem[] items = table.getSelection();
                if (items.length == 0) {
                    event.doit = false;
                } else {
                    StringBuffer buffer = new StringBuffer();
                    for (int i = 0; i < items.length; i++) {
                        buffer.append(items[i].getText());
                        if (items.length > 1 && i < items.length - 1) {
                            buffer.append("\n");
                        }
                    }
                    dragDataText = buffer.toString();
                }
                break;
            }
            case TEXT: {
                Text text = (Text) dragControl;
                String s = text.getSelectionText();
                if (s.length() == 0) {
                    event.doit = false;
                } else {
                    dragDataText = s;
                }
                break;
            }
            case TREE: {
                Tree tree = (Tree) dragControl;
                TreeItem[] items = tree.getSelection();
                if (items.length == 0) {
                    event.doit = false;
                } else {
                    StringBuffer buffer = new StringBuffer();
                    for (int i = 0; i < items.length; i++) {
                        buffer.append(items[i].getText());
                        if (items.length > 1 && i < items.length - 1) {
                            buffer.append("\n");
                        }
                    }
                    dragDataText = buffer.toString();
                }
                break;
            }
            case CANVAS: {
                String[] strings = (String[]) dragControl.getData("STRINGS");
                if (strings == null || strings.length == 0) {
                    event.doit = false;
                } else {
                    StringBuffer buffer = new StringBuffer();
                    for (int i = 0; i < strings.length; i++) {
                        buffer.append(strings[i]);
                        if (strings.length > 1 && i < strings.length - 1) {
                            buffer.append("\n");
                        }
                    }
                    dragDataText = buffer.toString();
                }
                break;
            }
            case LABEL: {
                Label label = (Label) dragControl;
                String string = label.getText();
                if (string.length() == 0) {
                    event.doit = false;
                } else {
                    dragDataText = string;
                }
                break;
            }
            case LIST: {
                List list = (List) dragControl;
                String[] selection = list.getSelection();
                if (selection.length == 0) {
                    event.doit = false;
                } else {
                    StringBuffer buffer = new StringBuffer();
                    for (int i = 0; i < selection.length; i++) {
                        buffer.append(selection[i]);
                        if (selection.length > 1 && i < selection.length - 1) {
                            buffer.append("\n");
                        }
                    }
                    dragDataText = buffer.toString();
                }
                break;
            }
            default:
                throw new SWTError(SWT.ERROR_NOT_IMPLEMENTED);
            }
            if (dragDataText != null) {
                dragDataRTF = "{\\rtf1{\\colortbl;\\red255\\green0\\blue0;}\\cf1\\b " + dragDataText + "}";
                dragDataHTML = "<b>" + dragDataText + "</b>";
            }

            for (int i = 0; i < dragTypes.length; i++) {
                if (dragTypes[i] instanceof TextTransfer && dragDataText == null) {
                    event.doit = false;
                }
                if (dragTypes[i] instanceof RTFTransfer && dragDataRTF == null) {
                    event.doit = false;
                }
                if (dragTypes[i] instanceof HTMLTransfer && dragDataHTML == null) {
                    event.doit = false;
                }
                if (dragTypes[i] instanceof FileTransfer
                        && (dragDataFiles == null || dragDataFiles.length == 0)) {
                    event.doit = false;
                }
            }
        }
    });
}