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:at.ac.tuwien.inso.subcat.ui.widgets.TimeChartControlPanel.java

public TimeChartControlPanel(Composite parent, int style) {
    super(parent, SWT.NONE);
    setLayout(new GridLayout(3, false));

    Composite composite = new Composite(this, SWT.NONE);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1));
    GridLayout gl_composite = new GridLayout(3, false);
    gl_composite.verticalSpacing = 0;//from ww  w .  ja va 2  s.  c o  m
    gl_composite.marginWidth = 0;
    gl_composite.marginHeight = 0;
    gl_composite.horizontalSpacing = 0;
    composite.setLayout(gl_composite);

    // Chart, Top Panel:
    new Label(composite, SWT.NONE);
    ;

    Composite chartTopComposite = new Composite(composite, SWT.NONE);
    GridLayout chartBottomLayout = new GridLayout(3, true);
    chartTopComposite.setLayout(chartBottomLayout);
    chartBottomLayout.verticalSpacing = 0;
    chartBottomLayout.marginWidth = 0;
    chartBottomLayout.marginHeight = 0;
    chartBottomLayout.horizontalSpacing = 0;

    chartTopComposite.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1));
    yearSelector = new Combo(chartTopComposite, SWT.READ_ONLY);

    chartTopComposite.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));
    chartSelector = new Combo(chartTopComposite, SWT.READ_ONLY);
    chartSelector.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));

    chartTopComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
    Button saveButton = new Button(chartTopComposite, SWT.NONE);
    saveButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, true, false, 1, 1));
    saveButton.setText("Save");

    new Label(composite, SWT.NONE);

    // Chart Row:
    btnPrev = new Button(composite, SWT.NONE);
    btnPrev.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1));
    btnPrev.setText("<");

    // TODO: drop scrolledComposite 
    scrolledComposite = new ScrolledComposite(composite, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    scrolledComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    scrolledComposite.setExpandHorizontal(true);
    scrolledComposite.setExpandVertical(true);
    scrolledComposite.setLayout(new FillLayout());

    chartComposite = new ChartComposite(scrolledComposite, SWT.NONE, null);
    chartComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
    chartComposite.setLayout(new FillLayout(SWT.HORIZONTAL));
    scrolledComposite.setContent(chartComposite);

    btnNext = new Button(composite, SWT.NONE);
    btnNext.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1));
    btnNext.setText(">");

    // ** Event handling:

    chartSelector.addSelectionListener(new SelectionListener() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            for (TimeChartControlPanelListener listener : listeners) {
                listener.chartSelectionChanged();
            }
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });

    // *** Year Setting:
    yearSelector.addSelectionListener(new SelectionListener() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            btnPrev.setEnabled(hasPrevChart());
            btnNext.setEnabled(hasNextChart());

            triggerChartSelected();
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });

    btnPrev.addSelectionListener(new SelectionListener() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            yearSelector.select(yearSelector.getSelectionIndex() - 1);
            btnPrev.setEnabled(hasPrevChart());
            btnNext.setEnabled(hasNextChart());

            triggerChartSelected();
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });

    btnNext.addSelectionListener(new SelectionListener() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            yearSelector.select(yearSelector.getSelectionIndex() + 1);
            btnPrev.setEnabled(hasPrevChart());
            btnNext.setEnabled(hasNextChart());

            triggerChartSelected();
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });

    saveButton.addSelectionListener(new SelectionListener() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            FileDialog fd = new FileDialog(TimeChartControlPanel.this.getShell(), SWT.SAVE);
            fd.setText("Save Chart");
            String[] filterExt = { "*.png", "*.jpg" };
            fd.setFilterExtensions(filterExt);
            String selectedPath = fd.open();
            if (selectedPath == null) {
                return;
            }

            for (TimeChartControlPanelListener listener : listeners) {
                listener.chartSaveRequest(selectedPath);
            }
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });
}

From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

void createHTMLTransfer(Composite copyParent, Composite pasteParent) {
    //   HTML Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("HTMLTransfer:"); //$NON-NLS-1$
    final Text copyHtmlText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyHtmlText.setText("<b>Hello World</b>");
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;//  w w  w.  j a va  2s. c o m
    data.heightHint = VSIZE;
    copyHtmlText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = copyHtmlText.getText();
        if (textData.length() > 0) {
            status.setText("");
            clipboard.setContents(new Object[] { textData }, new Transfer[] { HTMLTransfer.getInstance() });
        } else {
            status.setText("No HTML to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("HTMLTransfer:"); //$NON-NLS-1$
    final Text pasteHtmlText = new Text(pasteParent,
            SWT.READ_ONLY | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteHtmlText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = (String) clipboard.getContents(HTMLTransfer.getInstance());
        if (textData != null && textData.length() > 0) {
            status.setText("");
            pasteHtmlText.setText("start paste>" + textData + "<end paste");
        } else {
            status.setText("No HTML to paste");
        }
    }));
}

From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

void createTextTransfer(Composite copyParent, Composite pasteParent) {

    // TextTransfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("TextTransfer:"); //$NON-NLS-1$
    final Text copyText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyText.setText("some\nplain\ntext");
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;//  ww w.j  ava2  s. com
    data.heightHint = VSIZE;
    copyText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = copyText.getText();
        if (textData.length() > 0) {
            status.setText("");
            clipboard.setContents(new Object[] { textData }, new Transfer[] { TextTransfer.getInstance() });
        } else {
            status.setText("No text to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("TextTransfer:"); //$NON-NLS-1$
    final Text pasteText = new Text(pasteParent,
            SWT.READ_ONLY | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = (String) clipboard.getContents(TextTransfer.getInstance());
        if (textData != null && textData.length() > 0) {
            status.setText("");
            pasteText.setText("begin paste>" + textData + "<end paste");
        } else {
            status.setText("No text to paste");
        }
    }));
}

From source file:org.pentaho.di.ui.spoon.trans.TransPerfDelegate.java

/**
 * Tell the user that the transformation is not running or that there is no monitoring configured.
 *//*from  w  w  w. ja  v  a2s.com*/
private void showEmptyGraph() {
    if (perfComposite.isDisposed()) {
        return;
    }

    emptyGraph = true;

    Label label = new Label(perfComposite, SWT.CENTER);
    label.setText(BaseMessages.getString(PKG, "TransLog.Dialog.PerformanceMonitoringNotEnabled.Message"));
    label.setBackground(perfComposite.getBackground());
    label.setFont(GUIResource.getInstance().getFontMedium());

    FormData fdLabel = new FormData();
    fdLabel.left = new FormAttachment(5, 0);
    fdLabel.right = new FormAttachment(95, 0);
    fdLabel.top = new FormAttachment(5, 0);
    label.setLayoutData(fdLabel);

    Button button = new Button(perfComposite, SWT.CENTER);
    button.setText(BaseMessages.getString(PKG, "TransLog.Dialog.PerformanceMonitoring.Button"));
    button.setBackground(perfComposite.getBackground());
    button.setFont(GUIResource.getInstance().getFontMedium());

    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            TransGraph.editProperties(spoon.getActiveTransformation(), spoon, spoon.rep, true,
                    TransDialog.Tabs.MONITOR_TAB);
        }
    });

    FormData fdButton = new FormData();
    fdButton.left = new FormAttachment(40, 0);
    fdButton.right = new FormAttachment(60, 0);
    fdButton.top = new FormAttachment(label, 5);
    button.setLayoutData(fdButton);

    perfComposite.layout(true, true);
}

From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

void createControlTransfer(Composite parent) {
    // TODO: CCombo and Spinner also have cut(), copy() and paste() API
    Label l = new Label(parent, SWT.NONE);
    l.setText("Text:");
    Button b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(widgetSelectedAdapter(e -> text.cut()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> text.copy()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> text.paste()));
    text = new Text(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.widthHint = HSIZE;// w w w  .  j  a  va  2 s . c  om
    data.heightHint = VSIZE;
    text.setLayoutData(data);

    l = new Label(parent, SWT.NONE);
    l.setText("Combo:");
    b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(widgetSelectedAdapter(e -> combo.cut()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> combo.copy()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> combo.paste()));
    combo = new Combo(parent, SWT.NONE);
    combo.setItems("Item 1", "Item 2", "Item 3", "A longer Item");
    combo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    l = new Label(parent, SWT.NONE);
    l.setText("StyledText:");
    b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(widgetSelectedAdapter(e -> styledText.cut()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> styledText.copy()));
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> styledText.paste()));
    styledText = new StyledText(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    styledText.setLayoutData(data);
}

From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

void createRTFTransfer(Composite copyParent, Composite pasteParent) {
    //   RTF Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("RTFTransfer:"); //$NON-NLS-1$
    final Text copyRtfText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyRtfText.setText("some\nrtf\ntext");
    GridData data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;//from w ww . j  ava  2  s . co  m
    data.heightHint = VSIZE;
    copyRtfText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = copyRtfText.getText();
        if (textData.length() > 0) {
            status.setText("");
            StringBuilder buffer = new StringBuilder();
            buffer.append("{\\rtf1\\ansi\\uc1{\\colortbl;\\red255\\green0\\blue0;}\\uc1\\b\\i ");
            for (int i = 0; i < textData.length(); i++) {
                char ch = textData.charAt(i);
                if (ch > 0xFF) {
                    buffer.append("\\u");
                    buffer.append(Integer.toString((short) ch));
                    buffer.append('?');
                } else {
                    if (ch == '}' || ch == '{' || ch == '\\') {
                        buffer.append('\\');
                    }
                    buffer.append(ch);
                    if (ch == '\n')
                        buffer.append("\\par ");
                    if (ch == '\r' && (i - 1 == textData.length() || textData.charAt(i + 1) != '\n')) {
                        buffer.append("\\par ");
                    }
                }
            }
            buffer.append("}");
            clipboard.setContents(new Object[] { buffer.toString() },
                    new Transfer[] { RTFTransfer.getInstance() });
        } else {
            status.setText("No RTF to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("RTFTransfer:"); //$NON-NLS-1$
    final Text pasteRtfText = new Text(pasteParent,
            SWT.READ_ONLY | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteRtfText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String textData = (String) clipboard.getContents(RTFTransfer.getInstance());
        if (textData != null && textData.length() > 0) {
            status.setText("");
            pasteRtfText.setText("start paste>" + textData + "<end paste");
        } else {
            status.setText("No RTF to paste");
        }
    }));
}

From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

void createFileTransfer(Composite copyParent, Composite pasteParent) {
    //File Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("FileTransfer:"); //$NON-NLS-1$
    GridData data = new GridData();
    data.verticalSpan = 3;/*from   w w w.  ja  v a2s .  c o m*/
    l.setLayoutData(data);

    final Table copyFileTable = new Table(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    data.verticalSpan = 3;
    copyFileTable.setLayoutData(data);

    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Select file(s)");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN | SWT.MULTI);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            String path = dialog.getFilterPath();
            String[] names = dialog.getFileNames();
            for (String name : names) {
                TableItem item = new TableItem(copyFileTable, SWT.NONE);
                item.setText(path + File.separator + name);
            }
        }
    }));
    b = new Button(copyParent, SWT.PUSH);
    b.setText("Select directory");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        DirectoryDialog dialog = new DirectoryDialog(shell, SWT.OPEN);
        String result = dialog.open();
        if (result != null && result.length() > 0) {
            //copyFileTable.removeAll();
            TableItem item = new TableItem(copyFileTable, SWT.NONE);
            item.setText(result);
        }
    }));

    b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        TableItem[] items = copyFileTable.getItems();
        if (items.length > 0) {
            status.setText("");
            String[] itemsData = new String[items.length];
            for (int i = 0; i < itemsData.length; i++) {
                itemsData[i] = items[i].getText();
            }
            clipboard.setContents(new Object[] { itemsData }, new Transfer[] { FileTransfer.getInstance() });
        } else {
            status.setText("No file to copy");
        }
    }));

    l = new Label(pasteParent, SWT.NONE);
    l.setText("FileTransfer:"); //$NON-NLS-1$
    final Table pasteFileTable = new Table(pasteParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteFileTable.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        String[] textData = (String[]) clipboard.getContents(FileTransfer.getInstance());
        if (textData != null && textData.length > 0) {
            status.setText("");
            pasteFileTable.removeAll();
            for (String element : textData) {
                TableItem item = new TableItem(pasteFileTable, SWT.NONE);
                item.setText(element);
            }
        } else {
            status.setText("No file to paste");
        }
    }));
}

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

/**
 * Create our controls for the UI panel.
 *//*from w w  w . j av  a2  s .c  om*/
@Override
protected Control createControl(Composite parent) {
    Composite top = new Composite(parent, SWT.NONE);
    top.setLayout(new GridLayout(1, false));
    top.setLayoutData(new GridData(GridData.FILL_BOTH));

    Composite buttons = new Composite(top, SWT.NONE);
    buttons.setLayout(new RowLayout());

    mDisplayMode = new Combo(buttons, SWT.PUSH);
    for (String mode : CAPTIONS) {
        mDisplayMode.add(mode);
    }
    mDisplayMode.select(mMode);
    mDisplayMode.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            mMode = mDisplayMode.getSelectionIndex();
            if (mDataFile != null) {
                generateDataset(mDataFile);
            } else if (getCurrentDevice() != null) {
                loadFromDevice();
            }
        }
    });

    final Button loadButton = new Button(buttons, SWT.PUSH);
    loadButton.setText("Load from File");
    loadButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            FileDialog fileDialog = new FileDialog(loadButton.getShell(), SWT.OPEN);
            fileDialog.setText("Load bugreport");
            String filename = fileDialog.open();
            if (filename != null) {
                mDataFile = new File(filename);
                generateDataset(mDataFile);
            }
        }
    });

    mFetchButton = new Button(buttons, SWT.PUSH);
    mFetchButton.setText("Update from Device");
    mFetchButton.setEnabled(false);
    mFetchButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            loadFromDevice();
        }
    });

    mLabel = new Label(top, SWT.NONE);
    mLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    mDataset = new DefaultPieDataset();
    JFreeChart chart = ChartFactory.createPieChart("", mDataset, false
    /* legend */, true/* tooltips */, false /* urls */);

    ChartComposite chartComposite = new ChartComposite(top, SWT.BORDER, chart, ChartComposite.DEFAULT_HEIGHT,
            ChartComposite.DEFAULT_HEIGHT, ChartComposite.DEFAULT_MINIMUM_DRAW_WIDTH,
            ChartComposite.DEFAULT_MINIMUM_DRAW_HEIGHT, 3000,
            // max draw width. We don't want it to zoom, so we put a big number
            3000,
            // max draw height. We don't want it to zoom, so we put a big number
            true, // off-screen buffer
            true, // properties
            true, // save
            true, // print
            false, // zoom
            true);
    chartComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
    return top;
}

From source file:edu.isistan.carcha.plugin.editors.TraceabilityEditor.java

/**
 * Creates a page to allow users to create a traceability link.
 *///from   ww  w . j a  va  2 s.c o  m
void createTraceabilityLinkPage() {
    final Composite composite = new Composite(getContainer(), SWT.NONE);
    composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 5));
    composite.setLayout(new GridLayout());

    Label concernLabel = new Label(composite, SWT.BORDER);
    concernLabel.setText("Crosscuttings Concerns(CCC)");
    concernLabel.setToolTipText("This are the Crosscuttings Concerns detected on the requierement document");
    GridData gridData = new GridData(SWT.LEFT, SWT.TOP, false, false);
    concernLabel.setLayoutData(gridData);

    topNewLink = new TableViewer(composite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    createColumns(composite, topNewLink);

    final Table table = topNewLink.getTable();
    table.setHeaderVisible(true);
    table.setLinesVisible(true);

    topNewLink.setContentProvider(new ArrayContentProvider());
    getSite().setSelectionProvider(topNewLink);
    // define layout for the viewer
    gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    topNewLink.getControl().setLayoutData(gridData);

    Button button = new Button(composite, SWT.PUSH);
    button.setText("Link");
    button.addSelectionListener(new SelectionListener() {
        public void widgetDefaultSelected(SelectionEvent event) {
        }

        public void widgetSelected(SelectionEvent event) {
            IStructuredSelection topSelection = (IStructuredSelection) topNewLink.getSelection();
            IStructuredSelection bottomSelection = (IStructuredSelection) bottomNewLink.getSelection();

            String[] crosscuttingConcern = (String[]) topSelection.getFirstElement();
            String[] designDecision = (String[]) bottomSelection.getFirstElement();

            if ((crosscuttingConcern != null) && (designDecision != null)) {
                // create dialog with ok and cancel button and info icon
                MessageBox dialog = new MessageBox(composite.getShell(),
                        SWT.ICON_QUESTION | SWT.OK | SWT.CANCEL);
                dialog.setText("Link confirmation");
                dialog.setMessage("Do you want to link the selected items?");

                // open dialog and await user selection
                int response = dialog.open();
                if (response == SWT.OK) {
                    PluginUtil.createNewLink(crosscuttingConcern, designDecision, cp);
                    dirty = true;
                    firePropertyChange(IEditorPart.PROP_DIRTY);
                }
            } else {
                MessageDialog.openError(composite.getShell(), "Error", "Please select item(s) to link");
            }
        }
    });

    gridData = new GridData(SWT.CENTER, SWT.TOP, false, false, 2, 1);
    button.setLayoutData(gridData);

    Label ddsLabel = new Label(composite, SWT.BORDER);
    ddsLabel.setText("Architectural design decisions");
    ddsLabel.setToolTipText("This are the design decisions detected in the architectural document");
    gridData = new GridData(SWT.LEFT, SWT.TOP, false, false);
    ddsLabel.setLayoutData(gridData);
    bottomNewLink = new TableViewer(composite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    createColumns(composite, bottomNewLink);

    Table table2 = bottomNewLink.getTable();
    table2.setHeaderVisible(true);
    table2.setLinesVisible(true);

    bottomNewLink.setContentProvider(new ArrayContentProvider());

    getSite().setSelectionProvider(bottomNewLink);
    gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    bottomNewLink.getControl().setLayoutData(gridData);

    int index = addPage(composite);
    setPageText(index, "New Link");
}

From source file:org.eclipse.swt.examples.clipboard.ClipboardExample.java

void createImageTransfer(Composite copyParent, Composite pasteParent) {
    final Image[] copyImage = new Image[] { null };
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("ImageTransfer:"); //$NON-NLS-1$
    GridData data = new GridData();
    data.verticalSpan = 2;/*w w w  .  j a  v  a 2s.  com*/
    l.setLayoutData(data);

    final Canvas copyImageCanvas = new Canvas(copyParent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.verticalSpan = 2;
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    copyImageCanvas.setLayoutData(data);

    final Point copyOrigin = new Point(0, 0);
    final ScrollBar copyHBar = copyImageCanvas.getHorizontalBar();
    copyHBar.setEnabled(false);
    copyHBar.addListener(SWT.Selection, e -> {
        if (copyImage[0] != null) {
            int hSelection = copyHBar.getSelection();
            int destX = -hSelection - copyOrigin.x;
            Rectangle rect = copyImage[0].getBounds();
            copyImageCanvas.scroll(destX, 0, 0, 0, rect.width, rect.height, false);
            copyOrigin.x = -hSelection;
        }
    });
    final ScrollBar copyVBar = copyImageCanvas.getVerticalBar();
    copyVBar.setEnabled(false);
    copyVBar.addListener(SWT.Selection, e -> {
        if (copyImage[0] != null) {
            int vSelection = copyVBar.getSelection();
            int destY = -vSelection - copyOrigin.y;
            Rectangle rect = copyImage[0].getBounds();
            copyImageCanvas.scroll(0, destY, 0, 0, rect.width, rect.height, false);
            copyOrigin.y = -vSelection;
        }
    });
    copyImageCanvas.addListener(SWT.Paint, e -> {
        if (copyImage[0] != null) {
            GC gc = e.gc;
            gc.drawImage(copyImage[0], copyOrigin.x, copyOrigin.y);
            Rectangle rect = copyImage[0].getBounds();
            Rectangle client = copyImageCanvas.getClientArea();
            int marginWidth = client.width - rect.width;
            if (marginWidth > 0) {
                gc.fillRectangle(rect.width, 0, marginWidth, client.height);
            }
            int marginHeight = client.height - rect.height;
            if (marginHeight > 0) {
                gc.fillRectangle(0, rect.height, client.width, marginHeight);
            }
            gc.dispose();
        }
    });
    Button openButton = new Button(copyParent, SWT.PUSH);
    openButton.setText("Open Image");
    openButton.addSelectionListener(widgetSelectedAdapter(e -> {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN);
        dialog.setText("Open an image file or cancel");
        String string = dialog.open();
        if (string != null) {
            if (copyImage[0] != null) {
                System.out.println("CopyImage");
                copyImage[0].dispose();
            }
            copyImage[0] = new Image(e.display, string);
            copyVBar.setEnabled(true);
            copyHBar.setEnabled(true);
            copyOrigin.x = 0;
            copyOrigin.y = 0;
            Rectangle rect = copyImage[0].getBounds();
            Rectangle client = copyImageCanvas.getClientArea();
            copyHBar.setMaximum(rect.width);
            copyVBar.setMaximum(rect.height);
            copyHBar.setThumb(Math.min(rect.width, client.width));
            copyVBar.setThumb(Math.min(rect.height, client.height));
            copyImageCanvas.scroll(0, 0, 0, 0, rect.width, rect.height, true);
            copyVBar.setSelection(0);
            copyHBar.setSelection(0);
            copyImageCanvas.redraw();
        }
    }));
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        if (copyImage[0] != null) {
            status.setText("");
            // Fetch ImageData at current zoom and save in the clip-board.
            clipboard.setContents(new Object[] { copyImage[0].getImageDataAtCurrentZoom() },
                    new Transfer[] { ImageTransfer.getInstance() });
        } else {
            status.setText("No image to copy");
        }
    }));

    final Image[] pasteImage = new Image[] { null };
    l = new Label(pasteParent, SWT.NONE);
    l.setText("ImageTransfer:");
    final Canvas pasteImageCanvas = new Canvas(pasteParent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_BOTH);
    data.widthHint = HSIZE;
    data.heightHint = VSIZE;
    pasteImageCanvas.setLayoutData(data);
    final Point pasteOrigin = new Point(0, 0);
    final ScrollBar pasteHBar = pasteImageCanvas.getHorizontalBar();
    pasteHBar.setEnabled(false);
    pasteHBar.addListener(SWT.Selection, e -> {
        if (pasteImage[0] != null) {
            int hSelection = pasteHBar.getSelection();
            int destX = -hSelection - pasteOrigin.x;
            Rectangle rect = pasteImage[0].getBounds();
            pasteImageCanvas.scroll(destX, 0, 0, 0, rect.width, rect.height, false);
            pasteOrigin.x = -hSelection;
        }
    });
    final ScrollBar pasteVBar = pasteImageCanvas.getVerticalBar();
    pasteVBar.setEnabled(false);
    pasteVBar.addListener(SWT.Selection, e -> {
        if (pasteImage[0] != null) {
            int vSelection = pasteVBar.getSelection();
            int destY = -vSelection - pasteOrigin.y;
            Rectangle rect = pasteImage[0].getBounds();
            pasteImageCanvas.scroll(0, destY, 0, 0, rect.width, rect.height, false);
            pasteOrigin.y = -vSelection;
        }
    });
    pasteImageCanvas.addListener(SWT.Paint, e -> {
        if (pasteImage[0] != null) {
            GC gc = e.gc;
            gc.drawImage(pasteImage[0], pasteOrigin.x, pasteOrigin.y);
            Rectangle rect = pasteImage[0].getBounds();
            Rectangle client = pasteImageCanvas.getClientArea();
            int marginWidth = client.width - rect.width;
            if (marginWidth > 0) {
                gc.fillRectangle(rect.width, 0, marginWidth, client.height);
            }
            int marginHeight = client.height - rect.height;
            if (marginHeight > 0) {
                gc.fillRectangle(0, rect.height, client.width, marginHeight);
            }
        }
    });
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
        if (imageData != null) {
            if (pasteImage[0] != null) {
                System.out.println("PasteImage");
                pasteImage[0].dispose();
            }
            status.setText("");
            // Consume the ImageData at current zoom as-is.
            pasteImage[0] = new Image(e.display, new AutoScaleImageDataProvider(imageData));
            pasteVBar.setEnabled(true);
            pasteHBar.setEnabled(true);
            pasteOrigin.x = 0;
            pasteOrigin.y = 0;
            Rectangle rect = pasteImage[0].getBounds();
            Rectangle client = pasteImageCanvas.getClientArea();
            pasteHBar.setMaximum(rect.width);
            pasteVBar.setMaximum(rect.height);
            pasteHBar.setThumb(Math.min(rect.width, client.width));
            pasteVBar.setThumb(Math.min(rect.height, client.height));
            pasteImageCanvas.scroll(0, 0, 0, 0, rect.width, rect.height, true);
            pasteVBar.setSelection(0);
            pasteHBar.setSelection(0);
            pasteImageCanvas.redraw();
        } else {
            status.setText("No image to paste");
        }
    }));
}