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

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

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Introduction

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

Prototype

public void setText(String text)

Source Link

Document

Sets the receiver's text.

Usage

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

private void createDragTypes(Composite parent) {
    parent.setLayout(new GridLayout());
    Button textButton = new Button(parent, SWT.CHECK);
    textButton.setText("Text Transfer");
    textButton.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b = (Button) e.widget;
        if (b.getSelection()) {
            addDragTransfer(TextTransfer.getInstance());
        } else {//from w w w  .j a  va 2  s . co m
            removeDragTransfer(TextTransfer.getInstance());
        }
    }));

    Button b = new Button(parent, SWT.CHECK);
    b.setText("RTF Transfer");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b1 = (Button) e.widget;
        if (b1.getSelection()) {
            addDragTransfer(RTFTransfer.getInstance());
        } else {
            removeDragTransfer(RTFTransfer.getInstance());
        }
    }));

    b = new Button(parent, SWT.CHECK);
    b.setText("HTML Transfer");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b2 = (Button) e.widget;
        if (b2.getSelection()) {
            addDragTransfer(HTMLTransfer.getInstance());
        } else {
            removeDragTransfer(HTMLTransfer.getInstance());
        }
    }));

    b = new Button(parent, SWT.CHECK);
    b.setText("URL Transfer");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b3 = (Button) e.widget;
        if (b3.getSelection()) {
            addDragTransfer(URLTransfer.getInstance());
        } else {
            removeDragTransfer(URLTransfer.getInstance());
        }
    }));

    b = new Button(parent, SWT.CHECK);
    b.setText("File Transfer");
    b.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Button b4 = (Button) e.widget;
        if (b4.getSelection()) {
            addDragTransfer(FileTransfer.getInstance());
        } else {
            removeDragTransfer(FileTransfer.getInstance());
        }
    }));
    b = new Button(parent, SWT.PUSH);
    b.setText("Select File(s)");
    b.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        FileDialog dialog = new FileDialog(fileList.getShell(), SWT.OPEN | SWT.MULTI);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            fileList.removeAll();
            String path = dialog.getFilterPath();
            String[] names = dialog.getFileNames();
            for (String name : names) {
                fileList.add(path + File.separatorChar + name);
            }
        }
    }));
    fileList = new List(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    GridData data = new GridData();
    data.grabExcessHorizontalSpace = true;
    data.horizontalAlignment = GridData.FILL;
    data.verticalAlignment = GridData.BEGINNING;
    fileList.setLayoutData(data);

    // initialize state
    textButton.setSelection(true);
    addDragTransfer(TextTransfer.getInstance());
}

From source file:ummisco.gama.ui.views.displays.SWTChartEditor.java

/**
 * Creates a new editor./* ww w . jav  a 2 s  .c o  m*/
 *
 * @param display
 *            the display.
 * @param chart2edit
 *            the chart to edit.
 */
public SWTChartEditor(final Display display, final JFreeChart chart2edit, final Point position) {
    this.shell = new Shell(display, SWT.APPLICATION_MODAL | SWT.NO_TRIM);
    this.shell.setSize(400, 500);
    this.shell.setBackground(WorkbenchHelper.getDisplay().getSystemColor(SWT.COLOR_BLACK));
    // this.shell.setAlpha(140);
    this.chart = chart2edit;
    this.shell.setText("Chart properties");
    this.shell.setLocation(position);
    final GridLayout layout = new GridLayout(2, false);
    layout.marginLeft = layout.marginTop = layout.marginRight = layout.marginBottom = 5;
    this.shell.setLayout(layout);
    final Composite main = new Composite(this.shell, SWT.NONE);
    main.setLayout(new FillLayout());
    main.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));

    final TabFolder tab = new TabFolder(main, SWT.BORDER);
    // build first tab
    final TabItem item1 = new TabItem(tab, SWT.NONE);
    item1.setText(" " + "Title" + " ");
    this.titleEditor = new SWTTitleEditor(tab, SWT.NONE, this.chart.getTitle());
    item1.setControl(this.titleEditor);
    // build second tab
    final TabItem item2 = new TabItem(tab, SWT.NONE);
    item2.setText(" " + "Plot" + " ");
    this.plotEditor = new SWTPlotEditor(tab, SWT.NONE, this.chart.getPlot());
    item2.setControl(this.plotEditor);
    // build the third tab
    final TabItem item3 = new TabItem(tab, SWT.NONE);
    item3.setText(" " + "Other" + " ");
    this.otherEditor = new SWTOtherEditor(tab, SWT.NONE, this.chart);
    item3.setControl(this.otherEditor);

    // ok and cancel buttons
    final Button cancel = new Button(this.shell, SWT.PUSH);
    cancel.setText(" Cancel ");
    cancel.setLayoutData(new GridData(SWT.RIGHT, SWT.FILL, false, false));
    cancel.pack();
    cancel.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            SWTChartEditor.this.shell.dispose();
        }
    });
    final Button ok = new Button(this.shell, SWT.PUSH | SWT.OK);
    ok.setText(" Ok ");
    ok.setLayoutData(new GridData(SWT.RIGHT, SWT.FILL, false, false));
    ok.pack();
    ok.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            updateChart(SWTChartEditor.this.chart);
            SWTChartEditor.this.shell.dispose();
        }
    });

}

From source file:DNDExample.java

private void createDropTarget() {
    if (dropTarget != null)
        dropTarget.dispose();/*from w w  w. ja  v a2s.  c o  m*/
    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: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  w  w  .jav a  2  s  . c o m*/
    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);//from  w  ww.  j  av a  2 s  .c  o m
    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

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 {/*  w  w w  .  jav  a  2 s.  c  o  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   w ww .  j a v  a 2  s.c  om
    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();/*  ww  w.  j  a  v a  2  s.c  o  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;
                }
            }
        }
    });
}

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

private void createDragSource() {
    if (dragSource != null)
        dragSource.dispose();//from   www .jav  a2  s .  c  o  m
    dragSource = new DragSource(dragControl, dragOperation);
    dragSource.setTransfer(dragTypes);
    dragSource.addDragListener(new DragSourceListener() {
        @Override
        public void dragFinished(org.eclipse.swt.dnd.DragSourceEvent event) {
            dragConsole.append(">>dragFinished\n");
            printEvent(event);
            dragDataText = dragDataRTF = dragDataHTML = dragDataURL = 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 STYLED_TEXT: {
                    StyledText text = (StyledText) dragControl;
                    text.insert("");
                    break;
                }
                case TABLE: {
                    Table table = (Table) dragControl;
                    TableItem[] items = table.getSelection();
                    for (TableItem item : items) {
                        item.dispose();
                    }
                    break;
                }
                case TEXT: {
                    Text text = (Text) dragControl;
                    text.insert("");
                    break;
                }
                case TREE: {
                    Tree tree = (Tree) dragControl;
                    TreeItem[] items = tree.getSelection();
                    for (TreeItem item : items) {
                        item.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;
                }
                case COMBO: {
                    Combo combo = (Combo) dragControl;
                    combo.setText("");
                    break;
                }
                }
            }
        }

        @Override
        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 (URLTransfer.getInstance().isSupportedType(event.dataType)) {
                event.data = dragDataURL;
            }
            if (FileTransfer.getInstance().isSupportedType(event.dataType)) {
                event.data = dragDataFiles;
            }
        }

        @Override
        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 STYLED_TEXT: {
                StyledText text = (StyledText) dragControl;
                String s = text.getSelectionText();
                if (s.length() == 0) {
                    event.doit = false;
                } else {
                    dragDataText = s;
                }
                break;
            }
            case TABLE: {
                Table table = (Table) dragControl;
                TableItem[] items = table.getSelection();
                if (items.length == 0) {
                    event.doit = false;
                } else {
                    StringBuilder buffer = new StringBuilder();
                    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 {
                    StringBuilder buffer = new StringBuilder();
                    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 {
                    StringBuilder buffer = new StringBuilder();
                    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 {
                    StringBuilder buffer = new StringBuilder();
                    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;
            }
            case COMBO: {
                Combo combo = (Combo) dragControl;
                String string = combo.getText();
                Point selection = combo.getSelection();
                if (selection.x == selection.y) {
                    event.doit = false;
                } else {
                    dragDataText = string.substring(selection.x, selection.y);
                }
                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>";
                dragDataURL = "http://" + dragDataText.replace(' ', '.');
                try {
                    new URL(dragDataURL);
                } catch (MalformedURLException e) {
                    dragDataURL = null;
                }
            }

            for (Transfer dragType : dragTypes) {
                if (dragType instanceof TextTransfer && dragDataText == null) {
                    event.doit = false;
                }
                if (dragType instanceof RTFTransfer && dragDataRTF == null) {
                    event.doit = false;
                }
                if (dragType instanceof HTMLTransfer && dragDataHTML == null) {
                    event.doit = false;
                }
                if (dragType instanceof URLTransfer && dragDataURL == null) {
                    event.doit = false;
                }
                if (dragType instanceof FileTransfer && (dragDataFiles == null || dragDataFiles.length == 0)) {
                    event.doit = false;
                }
            }
        }
    });
}

From source file:org.eclipse.swt.examples.texteditor.TextEditor.java

void setLink() {
    final Shell dialog = new Shell(shell, SWT.APPLICATION_MODAL | SWT.SHELL_TRIM);
    dialog.setLayout(new GridLayout(2, false));
    dialog.setText(getResourceString("SetLink")); //$NON-NLS-1$
    Label label = new Label(dialog, SWT.NONE);
    label.setText(getResourceString("URL")); //$NON-NLS-1$
    final Text text = new Text(dialog, SWT.SINGLE);
    text.setLayoutData(new GridData(200, SWT.DEFAULT));
    if (link != null) {
        text.setText(link);//  w  w  w .  ja  v  a 2 s. c  om
        text.selectAll();
    }
    final Button okButton = new Button(dialog, SWT.PUSH);
    okButton.setText(getResourceString("Ok")); //$NON-NLS-1$
    final Button cancelButton = new Button(dialog, SWT.PUSH);
    cancelButton.setText(getResourceString("Cancel")); //$NON-NLS-1$
    Listener listener = event -> {
        if (event.widget == okButton) {
            link = text.getText();
            setStyle(UNDERLINE_LINK);
        }
        dialog.dispose();
    };
    okButton.addListener(SWT.Selection, listener);
    cancelButton.addListener(SWT.Selection, listener);
    dialog.setDefaultButton(okButton);
    dialog.pack();
    dialog.open();
    while (!dialog.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
}