Example usage for org.eclipse.swt.custom ScrolledComposite setLayoutData

List of usage examples for org.eclipse.swt.custom ScrolledComposite setLayoutData

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Introduction

In this page you can find the example usage for org.eclipse.swt.custom ScrolledComposite setLayoutData.

Prototype

public void setLayoutData(Object layoutData)

Source Link

Document

Sets the layout data associated with the receiver to the argument.

Usage

From source file:org.eclipse.swt.snippets.Snippet188.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 188");
    shell.setLayout(new GridLayout());
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }//w  ww .  ja v a  2 s  . c  o  m
    sc.setContent(c);
    sc.setExpandHorizontal(true);
    sc.setExpandVertical(true);
    sc.setMinSize(c.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    sc.setShowFocusedControl(true);

    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ScrollWidgetViewFocusIn.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    Button b1 = new Button(shell, SWT.PUSH);
    b1.setText("top");
    b1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
    final ScrolledComposite sc = new ScrolledComposite(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    sc.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    Composite c = new Composite(sc, SWT.NONE);
    c.setLayout(new GridLayout(10, true));
    for (int i = 0; i < 300; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }/*from  w  w  w.j a va  2s .co  m*/
    Button b2 = new Button(shell, SWT.PUSH);
    b2.setText("bottom");
    b2.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));

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

    Listener listener = new Listener() {
        public void handleEvent(Event e) {
            Control child = (Control) e.widget;
            Rectangle bounds = child.getBounds();
            Rectangle area = sc.getClientArea();
            Point origin = sc.getOrigin();
            if (origin.x > bounds.x)
                origin.x = Math.max(0, bounds.x);
            if (origin.y > bounds.y)
                origin.y = Math.max(0, bounds.y);
            if (origin.x + area.width < bounds.x + bounds.width)
                origin.x = Math.max(0, bounds.x + bounds.width - area.width);
            if (origin.y + area.height < bounds.y + bounds.height)
                origin.y = Math.max(0, bounds.y + bounds.height - area.height);
            sc.setOrigin(origin);
        }
    };
    Control[] controls = c.getChildren();
    for (int i = 0; i < controls.length; i++) {
        controls[i].addListener(SWT.Activate, listener);
    }
    shell.setSize(300, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.locationtech.udig.processingtoolbox.tools.BoxPlotDialog.java

private void createInputTab(final CTabFolder parentTabFolder) {
    inputTab = new CTabItem(parentTabFolder, SWT.NONE);
    inputTab.setText(Messages.ProcessExecutionDialog_tabparameters);

    ScrolledComposite scroller = new ScrolledComposite(parentTabFolder, SWT.NONE | SWT.V_SCROLL | SWT.H_SCROLL);
    scroller.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    Composite container = new Composite(scroller, SWT.NONE);
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    // local moran's i
    Image image = ToolboxPlugin.getImageDescriptor("icons/public_co.gif").createImage(); //$NON-NLS-1$
    uiBuilder.createLabel(container, Messages.ScatterPlotDialog_InputLayer, EMPTY, image, 1);
    cboLayer = uiBuilder.createCombo(container, 1, true);
    fillLayers(map, cboLayer, VectorLayerType.ALL);

    uiBuilder.createLabel(container, Messages.BoxPlotDialog_Fields, EMPTY, image, 1);
    schemaTable = uiBuilder.createTable(container, new String[] { Messages.General_Name }, 1);
    schemaTable.addSelectionListener(new SelectionAdapter() {
        @Override/*from w  w w.ja  v  a 2  s .  com*/
        public void widgetSelected(SelectionEvent event) {
            StringBuffer buffer = new StringBuffer();
            for (TableItem item : schemaTable.getItems()) {
                if (item.getChecked()) {
                    if (buffer.length() > 0) {
                        buffer.append(",").append(item.getText()); //$NON-NLS-1$
                    } else {
                        buffer.append(item.getText());
                    }
                }
            }
            selectedFields = buffer.toString();
        }
    });

    uiBuilder.createLabel(container, null, null, 1);
    chkStatistics = uiBuilder.createCheckbox(container, Messages.ScatterPlotDialog_BasicStatistics, null, 1);

    // register events
    cboLayer.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            schemaTable.removeAll();
            inputLayer = MapUtils.getLayer(map, cboLayer.getText());
            if (inputLayer != null) {
                for (AttributeDescriptor dsc : inputLayer.getSchema().getAttributeDescriptors()) {
                    Class<?> binding = dsc.getType().getBinding();
                    if (Number.class.isAssignableFrom(binding)) {
                        TableItem item = new TableItem(schemaTable, SWT.NULL);
                        item.setText(dsc.getLocalName());
                    }
                }
            }
        }
    });

    // finally
    scroller.setContent(container);
    inputTab.setControl(scroller);

    scroller.setMinSize(450, container.getSize().y - 2);
    scroller.setExpandVertical(true);
    scroller.setExpandHorizontal(true);

    scroller.pack();
    container.pack();
}

From source file:org.locationtech.udig.processingtoolbox.tools.ScatterPlotDialog.java

private void createInputTab(final CTabFolder parentTabFolder) {
    inputTab = new CTabItem(parentTabFolder, SWT.NONE);
    inputTab.setText(Messages.ProcessExecutionDialog_tabparameters);

    ScrolledComposite scroller = new ScrolledComposite(parentTabFolder, SWT.NONE | SWT.V_SCROLL | SWT.H_SCROLL);
    scroller.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    Composite container = new Composite(scroller, SWT.NONE);
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    // local moran's i
    Image image = ToolboxPlugin.getImageDescriptor("icons/public_co.gif").createImage(); //$NON-NLS-1$
    uiBuilder.createLabel(container, Messages.ScatterPlotDialog_InputLayer, EMPTY, image, 1);
    cboLayer = uiBuilder.createCombo(container, 1, true);
    fillLayers(map, cboLayer, VectorLayerType.ALL);

    uiBuilder.createLabel(container, Messages.ScatterPlotDialog_IndependentField, EMPTY, image, 1);
    cboXField = uiBuilder.createCombo(container, 1, true);

    uiBuilder.createLabel(container, Messages.ScatterPlotDialog_DependentField, EMPTY, image, 1);
    cboYField = uiBuilder.createCombo(container, 1, true);

    uiBuilder.createLabel(container, null, null, 1);
    chkStatistics = uiBuilder.createCheckbox(container, Messages.ScatterPlotDialog_BasicStatistics, null, 1);
    chkPearson = uiBuilder.createCheckbox(container, Messages.ScatterPlotDialog_Pearson, null, 1);

    // register events
    cboLayer.addModifyListener(new ModifyListener() {
        @Override/*  w ww.j a v a 2s . c o m*/
        public void modifyText(ModifyEvent e) {
            inputLayer = MapUtils.getLayer(map, cboLayer.getText());
            if (inputLayer != null) {
                fillFields(cboXField, inputLayer.getSchema(), FieldType.Number);
                fillFields(cboYField, inputLayer.getSchema(), FieldType.Number);
            }
        }
    });

    // finally
    scroller.setContent(container);
    inputTab.setControl(scroller);

    scroller.setMinSize(450, container.getSize().y - 2);
    scroller.setExpandVertical(true);
    scroller.setExpandHorizontal(true);

    scroller.pack();
    container.pack();
}

From source file:org.locationtech.udig.processingtoolbox.tools.HistogramDialog.java

private void createInputTab(final CTabFolder parentTabFolder) {
    inputTab = new CTabItem(parentTabFolder, SWT.NONE);
    inputTab.setText(Messages.ProcessExecutionDialog_tabparameters);

    ScrolledComposite scroller = new ScrolledComposite(parentTabFolder, SWT.NONE | SWT.V_SCROLL | SWT.H_SCROLL);
    scroller.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    Composite container = new Composite(scroller, SWT.NONE);
    container.setLayout(new GridLayout(2, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    // local moran's i
    Image image = ToolboxPlugin.getImageDescriptor("icons/public_co.gif").createImage(); //$NON-NLS-1$
    uiBuilder.createLabel(container, Messages.HistogramDialog_InputLayer, EMPTY, image, 2);
    cboLayer = uiBuilder.createCombo(container, 2, true);
    fillLayers(map, cboLayer, VectorLayerType.ALL);

    uiBuilder.createLabel(container, Messages.HistogramDialog_InputField, EMPTY, image, 2);
    cboField = uiBuilder.createCombo(container, 2, true);

    uiBuilder.createLabel(container, Messages.HistogramDialog_BinCount, EMPTY, image, 2);
    spinner = uiBuilder.createSpinner(container, 10, 1, 50, 0, 1, 5, 2);

    // yXais Type
    uiBuilder.createLabel(container, Messages.HistogramDialog_YAxisType, EMPTY, image, 1);
    GridLayout layout = new GridLayout(2, false);
    layout.marginWidth = 0;//  w  w  w .j a va  2 s . c  om

    Composite subCon = new Composite(container, SWT.NONE);
    subCon.setLayout(layout);
    subCon.setLayoutData(new GridData(SWT.LEFT_TO_RIGHT, SWT.CENTER, false, false, 1, 1));
    final Button chkRatio = uiBuilder.createRadioButton(subCon, Messages.HistogramDialog_Ratio, null, 1);
    final Button chkFrequency = uiBuilder.createRadioButton(subCon, Messages.HistogramDialog_Frequency, null,
            1);
    chkFrequency.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
            if (chkFrequency.getSelection()) {
                histogramType = HistogramType.FREQUENCY;
            }
        }
    });
    chkRatio.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
            if (chkRatio.getSelection()) {
                histogramType = HistogramType.RELATIVE_FREQUENCY;
            }
        }
    });
    chkRatio.setSelection(true);

    uiBuilder.createLabel(container, null, null, 2);
    chkStatistics = uiBuilder.createCheckbox(container, Messages.ScatterPlotDialog_BasicStatistics, null, 2);

    // register events
    cboLayer.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            inputLayer = MapUtils.getLayer(map, cboLayer.getText());
            if (inputLayer != null) {
                fillFields(cboField, inputLayer.getSchema(), FieldType.Number);
            }
        }
    });

    // finally
    scroller.setContent(container);
    inputTab.setControl(scroller);

    scroller.setMinSize(450, container.getSize().y - 2);
    scroller.setExpandVertical(true);
    scroller.setExpandHorizontal(true);

    scroller.pack();
    container.pack();
}

From source file:org.locationtech.udig.processingtoolbox.tools.BubbleChartDialog.java

private void createInputTab(final CTabFolder parentTabFolder) {
    inputTab = new CTabItem(parentTabFolder, SWT.NONE);
    inputTab.setText(Messages.ProcessExecutionDialog_tabparameters);

    ScrolledComposite scroller = new ScrolledComposite(parentTabFolder, SWT.NONE | SWT.V_SCROLL | SWT.H_SCROLL);
    scroller.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    Composite container = new Composite(scroller, SWT.NONE);
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    // local moran's i
    Image image = ToolboxPlugin.getImageDescriptor("icons/public_co.gif").createImage(); //$NON-NLS-1$
    uiBuilder.createLabel(container, Messages.ScatterPlotDialog_InputLayer, EMPTY, image, 1);
    cboLayer = uiBuilder.createCombo(container, 1, true);
    fillLayers(map, cboLayer, VectorLayerType.ALL);

    uiBuilder.createLabel(container, Messages.BubbleChartDialog_XField, EMPTY, image, 1);
    cboXField = uiBuilder.createCombo(container, 1, true);

    uiBuilder.createLabel(container, Messages.BubbleChartDialog_YField, EMPTY, image, 1);
    cboYField = uiBuilder.createCombo(container, 1, true);

    uiBuilder.createLabel(container, Messages.BubbleChartDialog_SizeField, EMPTY, image, 1);
    cboSize = uiBuilder.createCombo(container, 1, true);

    uiBuilder.createLabel(container, null, null, 1);
    chkStatistics = uiBuilder.createCheckbox(container, Messages.ScatterPlotDialog_BasicStatistics, null, 1);

    // register events
    cboLayer.addModifyListener(new ModifyListener() {
        @Override//from w w w.j  a v  a 2 s .c o m
        public void modifyText(ModifyEvent e) {
            inputLayer = MapUtils.getLayer(map, cboLayer.getText());
            if (inputLayer != null) {
                fillFields(cboXField, inputLayer.getSchema(), FieldType.Number);
                fillFields(cboYField, inputLayer.getSchema(), FieldType.Number);
                fillFields(cboSize, inputLayer.getSchema(), FieldType.Number);
            }
        }
    });

    // finally
    scroller.setContent(container);
    inputTab.setControl(scroller);

    scroller.setMinSize(450, container.getSize().y - 2);
    scroller.setExpandVertical(true);
    scroller.setExpandHorizontal(true);

    scroller.pack();
    container.pack();
}

From source file:org.locationtech.udig.processingtoolbox.tools.MoranScatterPlotDialog.java

private void createInputTab(final CTabFolder parentTabFolder) {
    inputTab = new CTabItem(parentTabFolder, SWT.NONE);
    inputTab.setText(Messages.ProcessExecutionDialog_tabparameters);

    ScrolledComposite scroller = new ScrolledComposite(parentTabFolder, SWT.NONE | SWT.V_SCROLL | SWT.H_SCROLL);
    scroller.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    Composite container = new Composite(scroller, SWT.NONE);
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

    // local moran's i
    Image image = ToolboxPlugin.getImageDescriptor("icons/public_co.gif").createImage(); //$NON-NLS-1$
    uiBuilder.createLabel(container, Messages.MoranScatterPlotDialog_InputLayer, EMPTY, image, 1);
    cboLayer = uiBuilder.createCombo(container, 1, true);
    fillLayers(map, cboLayer, VectorLayerType.ALL);

    uiBuilder.createLabel(container, Messages.MoranScatterPlotDialog_InputField, EMPTY, image, 1);
    cboField = uiBuilder.createCombo(container, 1, true);

    uiBuilder.createLabel(container, Messages.MoranScatterPlotDialog_Conceptualization, EMPTY, 1);
    cboConcept = uiBuilder.createCombo(container, 1, true);
    cboConcept.addModifyListener(new ModifyListener() {
        @Override/*from   w w  w .  j a v a  2s . c om*/
        public void modifyText(ModifyEvent e) {
            for (Object enumVal : SpatialConcept.class.getEnumConstants()) {
                if (enumVal.toString().equalsIgnoreCase(cboConcept.getText())) {
                    params.put(GlobalMoransIProcessFactory.spatialConcept.key, enumVal);
                    break;
                }
            }
        }
    });
    fillEnum(cboConcept, SpatialConcept.class);

    uiBuilder.createLabel(container, Messages.MoranScatterPlotDialog_DistanceMethod, EMPTY, 1);
    cboDistance = uiBuilder.createCombo(container, 1, true);
    cboDistance.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            for (Object enumVal : DistanceMethod.class.getEnumConstants()) {
                if (enumVal.toString().equalsIgnoreCase(cboDistance.getText())) {
                    params.put(GlobalMoransIProcessFactory.distanceMethod.key, enumVal);
                    break;
                }
            }
        }
    });
    fillEnum(cboDistance, DistanceMethod.class);

    uiBuilder.createLabel(container, Messages.MoranScatterPlotDialog_Standardization, EMPTY, 1);
    cboStandard = uiBuilder.createCombo(container, 1, true);
    cboStandard.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            for (Object enumVal : StandardizationMethod.class.getEnumConstants()) {
                if (enumVal.toString().equalsIgnoreCase(cboStandard.getText())) {
                    params.put(GlobalMoransIProcessFactory.standardization.key, enumVal);
                    break;
                }
            }
        }
    });
    fillEnum(cboStandard, StandardizationMethod.class);

    uiBuilder.createLabel(container, Messages.MoranScatterPlotDialog_DistanceBand, EMPTY, 1);
    final Text txtDistance = uiBuilder.createText(container, EMPTY, 1, true);
    txtDistance.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            Object obj = Converters.convert(txtDistance.getText(), Double.class);
            if (obj == null) {
                params.put(GlobalMoransIProcessFactory.searchDistance.key, Double.valueOf(0d));
            } else {
                params.put(GlobalMoransIProcessFactory.searchDistance.key, obj);
            }
        }
    });

    // register events
    cboLayer.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            inputLayer = MapUtils.getLayer(map, cboLayer.getText());
            if (inputLayer == null) {
                return;
            }
            SimpleFeatureCollection features = MapUtils.getFeatures(inputLayer);
            params.put(GlobalMoransIProcessFactory.inputFeatures.key, features);
            fillFields(cboField, inputLayer.getSchema(), FieldType.Number);
        }
    });

    cboField.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            params.put(GlobalMoransIProcessFactory.inputField.key, cboField.getText());
        }
    });

    // finally
    scroller.setContent(container);
    inputTab.setControl(scroller);

    scroller.setMinSize(450, container.getSize().y - 2);
    scroller.setExpandVertical(true);
    scroller.setExpandHorizontal(true);

    scroller.pack();
    container.pack();
}

From source file:com.planetmayo.debrief.satc_rcp.views.MaintainContributionsView.java

private void initAnalystContributionsGroup(Composite parent) {
    GridData gridData = new GridData();
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;

    Group group = new Group(parent, SWT.SHADOW_ETCHED_IN);
    group.setLayout(new GridLayout(1, false));
    group.setLayoutData(gridData);/* w ww . j  av  a 2 s. com*/
    group.setText("Analyst Contributions");
    fillAnalystContributionsGroup(group);

    final ScrolledComposite scrolled = new ScrolledComposite(group, SWT.V_SCROLL | SWT.H_SCROLL);
    scrolled.setLayoutData(new GridData(GridData.FILL_BOTH));
    contList = UIUtils.createScrolledBody(scrolled, SWT.NONE);
    contList.setLayout(new GridLayout(1, false));

    scrolled.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(Event e) {
            scrolled.setMinSize(contList.computeSize(SWT.DEFAULT, SWT.DEFAULT));
        }
    });
    scrolled.setAlwaysShowScrollBars(true);
    scrolled.setContent(contList);
    scrolled.setMinSize(contList.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    scrolled.setExpandHorizontal(true);
    scrolled.setExpandVertical(true);
}

From source file:com.planetmayo.debrief.satc_rcp.views.MaintainContributionsView.java

private void initPreferencesGroup(Composite parent) {
    GridData gridData = new GridData();
    gridData.horizontalAlignment = SWT.FILL;
    gridData.grabExcessHorizontalSpace = true;

    Group group = new Group(parent, SWT.SHADOW_ETCHED_IN);
    GridLayout layout = new GridLayout(1, false);
    group.setLayoutData(gridData);//from  w w  w. j a  v  a  2s .c  o m
    group.setLayout(layout);
    group.setText("Preferences");

    final ScrolledComposite scrolled = new ScrolledComposite(group, SWT.H_SCROLL);
    scrolled.setLayoutData(new GridData(GridData.FILL_BOTH));
    final Composite preferencesComposite = UIUtils.createScrolledBody(scrolled, SWT.NONE);
    preferencesComposite.setLayout(new GridLayout(6, false));

    scrolled.addListener(SWT.Resize, new Listener() {

        @Override
        public void handleEvent(Event e) {
            scrolled.setMinSize(preferencesComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));
        }
    });
    scrolled.setAlwaysShowScrollBars(true);
    scrolled.setContent(preferencesComposite);
    scrolled.setMinSize(preferencesComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT));
    scrolled.setExpandHorizontal(true);
    scrolled.setExpandVertical(true);

    liveConstraints = new Button(preferencesComposite, SWT.TOGGLE);
    liveConstraints.setText("Auto-Recalc of Constraints");
    liveConstraints.setEnabled(false);
    liveConstraints
            .setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_CENTER));

    recalculate = new Button(preferencesComposite, SWT.DEFAULT);
    recalculate.setText("Calculate Solution");
    recalculate.setEnabled(false);
    recalculate.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (activeSolver != null) {
                // ok - make sure the performance tab is open
                graphTabs.setSelection(performanceTab);

                activeSolver.run(true, true);
                main.setSize(0, 0);
                main.getParent().layout(true, true);
            }
        }
    });
    recalculate.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER | GridData.VERTICAL_ALIGN_CENTER));

    cancelGeneration = new Button(preferencesComposite, SWT.PUSH);
    cancelGeneration.setText("Cancel");
    cancelGeneration.setVisible(false);
    cancelGeneration.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (activeSolver != null) {
                activeSolver.cancel();
            }
        }
    });

    suppressCuts = new Button(preferencesComposite, SWT.CHECK);
    suppressCuts.setText("Suppress Cuts");
    suppressCuts.setVisible(true);
    suppressCuts.setEnabled(false);
    suppressCuts.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (activeSolver != null) {
                boolean doSuppress = suppressCuts.getSelection();
                activeSolver.setAutoSuppress(doSuppress);
            }
        }
    });

    showOSCourse = new Button(preferencesComposite, SWT.CHECK);
    showOSCourse.setText("Plot O/S Course");
    showOSCourse.setVisible(true);
    showOSCourse.setEnabled(false);
    showOSCourse.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            if (activeSolver != null) {
                redoOwnshipStates();
            }
        }
    });

    Composite precisionPanel = new Composite(preferencesComposite, SWT.NONE);
    precisionPanel.setLayoutData(new GridData(
            GridData.HORIZONTAL_ALIGN_END | GridData.GRAB_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER));

    GridLayout precisionLayout = new GridLayout(2, false);
    precisionLayout.horizontalSpacing = 5;
    precisionPanel.setLayout(precisionLayout);

    Label precisionLabel = new Label(precisionPanel, SWT.NONE);
    precisionLabel.setText("Precision:");
    precisionLabel.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_CENTER));

    precisionsCombo = new ComboViewer(precisionPanel);
    precisionsCombo.getCombo().setEnabled(false);
    precisionsCombo.setContentProvider(new ArrayContentProvider());
    precisionsCombo.setLabelProvider(new LabelProvider() {

        @Override
        public String getText(Object element) {
            return ((Precision) element).getLabel();
        }
    });
    precisionsCombo.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection sel = precisionsCombo.getSelection();
            IStructuredSelection cSel = (IStructuredSelection) sel;
            Precision precision = (Precision) cSel.getFirstElement();
            if (activeSolver != null) {
                activeSolver.setPrecision(precision);
            }
        }
    });
}