Example usage for org.eclipse.jface.preference IPreferenceStore setValue

List of usage examples for org.eclipse.jface.preference IPreferenceStore setValue

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Introduction

In this page you can find the example usage for org.eclipse.jface.preference IPreferenceStore setValue.

Prototype

void setValue(String name, boolean value);

Source Link

Document

Sets the current value of the boolean-valued preference with the given name.

Usage

From source file:com.amalto.workbench.preferences.SSLPreferences.java

License:Open Source License

@Override
public boolean performOk() {
    IPreferenceStore store = getPreferenceStore();
    String algorithm = sslAlgorithmCombo.getText();
    String keypath = keyPath.getText();
    String keypass = keyPassword.getText();
    String keytype = keyType.getText();
    String trustpath = trustPath.getText();
    String trustpass = trustPassword.getText();
    String trusttype = trustType.getText();
    try {/*from   w w  w .  j  a v a2  s.  c o m*/
        SSLContextProvider.buildContext(algorithm, keypath, keypass, keytype, trustpath, trustpass, trusttype);
        store.setValue(PreferenceConstants.SSL_Algorithm, algorithm);
        store.setValue(PreferenceConstants.VERIFY_HOSTNAME, verificationType[1].getSelection());
        store.setValue(PreferenceConstants.KEYSTORE_FILE, keypath);
        store.setValue(PreferenceConstants.KEYSTORE_PASSWORD, encryptPasswd(keypass));
        store.setValue(PreferenceConstants.KEYSTORE_TYPE, keytype);
        store.setValue(PreferenceConstants.TRUSTSTORE_FILE, trustpath);
        store.setValue(PreferenceConstants.TRUSTSTORE_PASSWORD, encryptPasswd(trustpass));
        store.setValue(PreferenceConstants.TRUSTSTORE_TYPE, trusttype);
        setErrorMessage(null);
        return super.performOk();
    } catch (Exception e) {
        setErrorMessage(e.getMessage());
        log.error(e.getMessage(), e);
        return false;
    }

}

From source file:com.amazonaws.eclipse.core.mobileanalytics.context.ClientContextConfig.java

License:Apache License

private static String _getOrGenerateClientId() {
    IPreferenceStore store = AwsToolkitCore.getDefault().getPreferenceStore();

    String clientId = store.getString(MOBILE_ANALYTICS_CLIENT_ID_PREF_STORE_KEY);
    if (clientId != null && !clientId.isEmpty()) {
        return clientId;
    }/*from  w  ww.  java  2 s .  c o  m*/

    // Generate a GUID as the client id and persist it in the preference store
    String newClientId = UUID.randomUUID().toString();
    store.setValue(MOBILE_ANALYTICS_CLIENT_ID_PREF_STORE_KEY, newClientId);
    return newClientId;
}

From source file:com.amazonaws.eclipse.core.preferences.PreferenceInitializer.java

License:Apache License

/**
 * Imports the AWS account preferences from the Amazon EC2 Eclipse plugin
 * and stores them in the AWS Toolkit Core's preference store. This is
 * necessary for backwards compatibility, so that users who already
 * installed and configured the Amazon EC2 Eclipse plugin don't lose their
 * AWS account information once the AWS Toolkit Core plugin is installed.
 *///from  w w  w  .  j  a  v  a 2s  .  c o m
private void importEc2AccountPreferences() {
    IPreferenceStore awsToolkitPreferenceStore = getAwsToolkitCorePreferenceStore();

    /*
     * If the EC2 plugin preferences have already been imported, we don't
     * want to overwrite anything, so just bail out.
     */
    if (awsToolkitPreferenceStore.getBoolean(PreferenceConstants.P_EC2_PREFERENCES_IMPORTED)) {
        return;
    }

    IPreferenceStore ec2PluginPreferenceStore = getEc2PluginPreferenceStore();

    for (String preferenceToImport : preferencesToImport) {
        String value = ec2PluginPreferenceStore.getString(preferenceToImport);
        awsToolkitPreferenceStore.setValue(preferenceToImport, value);
    }

    /*
     * Record that we imported the pre-existing EC2 plugin preferences so
     * that we know not to re-import them next time.
     */
    awsToolkitPreferenceStore.setValue(PreferenceConstants.P_EC2_PREFERENCES_IMPORTED, true);
}

From source file:com.amazonaws.eclipse.core.preferences.PreferenceInitializerTest.java

License:Apache License

/**
 * If the EC2 plugin preferences have already been imported, we expect them
 * to not be imported again./*from  www.j  a va 2  s .  c  o m*/
 */
@Test
public void testOnlyImportOnce() {
    MockPreferenceInitializer preferenceInitializer = new MockPreferenceInitializer();
    IPreferenceStore preferenceStore = preferenceInitializer.getAwsToolkitCorePreferenceStore();

    preferenceStore.setValue(PreferenceConstants.P_EC2_PREFERENCES_IMPORTED, true);
    assertEquals("", preferenceStore.getString(PreferenceConstants.P_ACCESS_KEY));

    preferenceInitializer.initializeDefaultPreferences();
    assertEquals("", preferenceStore.getString(PreferenceConstants.P_ACCESS_KEY));
}

From source file:com.amazonaws.eclipse.lambda.project.wizard.NewLambdaJavaFunctionProjectWizard.java

License:Open Source License

private static void savePreferences(NewLambdaJavaFunctionProjectWizardDataModel dataModel,
        IPreferenceStore prefStore) {
    prefStore.setValue(LambdaPlugin.PREF_K_SHOW_README_AFTER_CREATE_NEW_PROJECT, dataModel.isShowReadmeFile());
}

From source file:com.android.ddms.DebugPortProvider.java

License:Apache License

/**
 * Sets new [device, app, port] values.//ww w .ja  v  a 2s.  com
 * The values are also sync'ed in the preference store.
 * @param map The map containing the new values.
 */
public void setPortList(Map<String, Map<String, Integer>> map) {
    // update the member map.
    mMap.clear();
    mMap.putAll(map);

    // create the value to store in the preference store.
    // see format definition in getPortList
    StringBuilder sb = new StringBuilder();

    Set<String> deviceKeys = map.keySet();
    for (String deviceKey : deviceKeys) {
        Map<String, Integer> deviceMap = map.get(deviceKey);
        if (deviceMap != null) {
            Set<String> appKeys = deviceMap.keySet();

            for (String appKey : appKeys) {
                Integer port = deviceMap.get(appKey);
                if (port != null) {
                    sb.append(appKey).append(':').append(port.intValue()).append(':').append(deviceKey)
                            .append('|');
                }
            }
        }
    }

    String value = sb.toString();

    // get the prefs store.
    IPreferenceStore store = PrefsDialog.getStore();

    // and give it the new value.
    store.setValue(PREFS_STATIC_PORT_LIST, value);
}

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

License:Apache License

/**
 * Create our control(s)./*  w w  w. j  av a  2 s. co  m*/
 */
@Override
protected Control createControl(Composite parent) {
    final IPreferenceStore store = DdmUiPreferences.getStore();

    Display display = parent.getDisplay();

    // get some images
    mSortUpImg = ImageLoader.getDdmUiLibLoader().loadImage("sort_up.png", display);
    mSortDownImg = ImageLoader.getDdmUiLibLoader().loadImage("sort_down.png", display);

    // base composite for selected client with enabled thread update.
    mAllocationBase = new Composite(parent, SWT.NONE);
    mAllocationBase.setLayout(new FormLayout());

    // table above the sash
    Composite topParent = new Composite(mAllocationBase, SWT.NONE);
    topParent.setLayout(new GridLayout(6, false));

    mEnableButton = new Button(topParent, SWT.PUSH);
    mEnableButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            Client current = getCurrentClient();
            AllocationTrackingStatus status = current.getClientData().getAllocationStatus();
            if (status == AllocationTrackingStatus.ON) {
                current.enableAllocationTracker(false);
            } else {
                current.enableAllocationTracker(true);
            }
            current.requestAllocationStatus();
        }
    });

    mRequestButton = new Button(topParent, SWT.PUSH);
    mRequestButton.setText("Get Allocations");
    mRequestButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            getCurrentClient().requestAllocationDetails();
        }
    });

    setUpButtons(false /* enabled */, AllocationTrackingStatus.OFF);

    GridData gridData;

    Composite spacer = new Composite(topParent, SWT.NONE);
    spacer.setLayoutData(gridData = new GridData(GridData.FILL_HORIZONTAL));

    new Label(topParent, SWT.NONE).setText("Filter:");

    final Text filterText = new Text(topParent, SWT.BORDER);
    filterText.setLayoutData(gridData = new GridData(GridData.FILL_HORIZONTAL));
    gridData.widthHint = 200;

    filterText.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent arg0) {
            mFilterText = filterText.getText().trim();
            mAllocationViewer.refresh();
        }
    });

    mTraceFilterCheck = new Button(topParent, SWT.CHECK);
    mTraceFilterCheck.setText("Inc. trace");
    mTraceFilterCheck.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            mAllocationViewer.refresh();
        }
    });

    mAllocationTable = new Table(topParent, SWT.MULTI | SWT.FULL_SELECTION);
    mAllocationTable.setLayoutData(gridData = new GridData(GridData.FILL_BOTH));
    gridData.horizontalSpan = 6;
    mAllocationTable.setHeaderVisible(true);
    mAllocationTable.setLinesVisible(true);

    final TableColumn numberCol = TableHelper.createTableColumn(mAllocationTable, "Alloc Order", SWT.RIGHT,
            "Alloc Order", //$NON-NLS-1$
            PREFS_ALLOC_COL_NUMBER, store);
    numberCol.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            setSortColumn(numberCol, SortMode.NUMBER);
        }
    });

    final TableColumn sizeCol = TableHelper.createTableColumn(mAllocationTable, "Allocation Size", SWT.RIGHT,
            "888", //$NON-NLS-1$
            PREFS_ALLOC_COL_SIZE, store);
    sizeCol.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            setSortColumn(sizeCol, SortMode.SIZE);
        }
    });

    final TableColumn classCol = TableHelper.createTableColumn(mAllocationTable, "Allocated Class", SWT.LEFT,
            "Allocated Class", //$NON-NLS-1$
            PREFS_ALLOC_COL_CLASS, store);
    classCol.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            setSortColumn(classCol, SortMode.CLASS);
        }
    });

    final TableColumn threadCol = TableHelper.createTableColumn(mAllocationTable, "Thread Id", SWT.LEFT, "999", //$NON-NLS-2$
            PREFS_ALLOC_COL_THREAD, store);
    threadCol.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            setSortColumn(threadCol, SortMode.THREAD);
        }
    });

    final TableColumn inClassCol = TableHelper.createTableColumn(mAllocationTable, "Allocated in", SWT.LEFT,
            "utime", //$NON-NLS-1$
            PREFS_ALLOC_COL_TRACE_CLASS, store);
    inClassCol.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            setSortColumn(inClassCol, SortMode.IN_CLASS);
        }
    });

    final TableColumn inMethodCol = TableHelper.createTableColumn(mAllocationTable, "Allocated in", SWT.LEFT,
            "utime", //$NON-NLS-1$
            PREFS_ALLOC_COL_TRACE_METHOD, store);
    inMethodCol.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent arg0) {
            setSortColumn(inMethodCol, SortMode.IN_METHOD);
        }
    });

    // init the default sort colum
    switch (mSorter.getSortMode()) {
    case SIZE:
        mSortColumn = sizeCol;
        break;
    case CLASS:
        mSortColumn = classCol;
        break;
    case THREAD:
        mSortColumn = threadCol;
        break;
    case IN_CLASS:
        mSortColumn = inClassCol;
        break;
    case IN_METHOD:
        mSortColumn = inMethodCol;
        break;
    }

    mSortColumn.setImage(mSorter.isDescending() ? mSortDownImg : mSortUpImg);

    mAllocationViewer = new TableViewer(mAllocationTable);
    mAllocationViewer.setContentProvider(new AllocationContentProvider());
    mAllocationViewer.setLabelProvider(new AllocationLabelProvider());

    mAllocationViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            AllocationInfo selectedAlloc = getAllocationSelection(event.getSelection());
            updateAllocationStackTrace(selectedAlloc);
        }
    });

    // the separating sash
    final Sash sash = new Sash(mAllocationBase, SWT.HORIZONTAL);
    Color darkGray = parent.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY);
    sash.setBackground(darkGray);

    // the UI below the sash
    mStackTracePanel = new StackTracePanel();
    mStackTraceTable = mStackTracePanel.createPanel(mAllocationBase, PREFS_STACK_COLUMN, store);

    // now setup the sash.
    // form layout data
    FormData data = new FormData();
    data.top = new FormAttachment(0, 0);
    data.bottom = new FormAttachment(sash, 0);
    data.left = new FormAttachment(0, 0);
    data.right = new FormAttachment(100, 0);
    topParent.setLayoutData(data);

    final FormData sashData = new FormData();
    if (store != null && store.contains(PREFS_ALLOC_SASH)) {
        sashData.top = new FormAttachment(0, store.getInt(PREFS_ALLOC_SASH));
    } else {
        sashData.top = new FormAttachment(50, 0); // 50% across
    }
    sashData.left = new FormAttachment(0, 0);
    sashData.right = new FormAttachment(100, 0);
    sash.setLayoutData(sashData);

    data = new FormData();
    data.top = new FormAttachment(sash, 0);
    data.bottom = new FormAttachment(100, 0);
    data.left = new FormAttachment(0, 0);
    data.right = new FormAttachment(100, 0);
    mStackTraceTable.setLayoutData(data);

    // allow resizes, but cap at minPanelWidth
    sash.addListener(SWT.Selection, new Listener() {
        @Override
        public void handleEvent(Event e) {
            Rectangle sashRect = sash.getBounds();
            Rectangle panelRect = mAllocationBase.getClientArea();
            int bottom = panelRect.height - sashRect.height - 100;
            e.y = Math.max(Math.min(e.y, bottom), 100);
            if (e.y != sashRect.y) {
                sashData.top = new FormAttachment(0, e.y);
                store.setValue(PREFS_ALLOC_SASH, e.y);
                mAllocationBase.layout();
            }
        }
    });

    return mAllocationBase;
}

From source file:com.android.ddmuilib.log.event.EventDisplayOptions.java

License:Apache License

private void createLeftPanel(Composite leftPanel) {
    final IPreferenceStore store = DdmUiPreferences.getStore();

    GridLayout gl;/*from ww  w . j a  va 2 s  .  co m*/

    leftPanel.setLayoutData(new GridData(GridData.FILL_VERTICAL));
    leftPanel.setLayout(gl = new GridLayout(1, false));
    gl.verticalSpacing = 1;

    mEventDisplayList = new List(leftPanel, SWT.BORDER | SWT.SINGLE | SWT.V_SCROLL | SWT.FULL_SELECTION);
    mEventDisplayList.setLayoutData(new GridData(GridData.FILL_BOTH));
    mEventDisplayList.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            handleEventDisplaySelection();
        }
    });

    Composite bottomControls = new Composite(leftPanel, SWT.NONE);
    bottomControls.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    bottomControls.setLayout(gl = new GridLayout(5, false));
    gl.marginHeight = gl.marginWidth = 0;
    gl.verticalSpacing = 0;
    gl.horizontalSpacing = 0;

    ImageLoader loader = ImageLoader.getDdmUiLibLoader();
    mEventDisplayNewButton = new Button(bottomControls, SWT.PUSH | SWT.FLAT);
    mEventDisplayNewButton.setImage(loader.loadImage("add.png", //$NON-NLS-1$
            leftPanel.getDisplay()));
    mEventDisplayNewButton.setToolTipText("Adds a new event display");
    mEventDisplayNewButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
    mEventDisplayNewButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            createNewEventDisplay();
        }
    });

    mEventDisplayDeleteButton = new Button(bottomControls, SWT.PUSH | SWT.FLAT);
    mEventDisplayDeleteButton.setImage(loader.loadImage("delete.png", //$NON-NLS-1$
            leftPanel.getDisplay()));
    mEventDisplayDeleteButton.setToolTipText("Deletes the selected event display");
    mEventDisplayDeleteButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
    mEventDisplayDeleteButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            deleteEventDisplay();
        }
    });

    mEventDisplayUpButton = new Button(bottomControls, SWT.PUSH | SWT.FLAT);
    mEventDisplayUpButton.setImage(loader.loadImage("up.png", //$NON-NLS-1$
            leftPanel.getDisplay()));
    mEventDisplayUpButton.setToolTipText("Moves the selected event display up");
    mEventDisplayUpButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            // get current selection.
            int selection = mEventDisplayList.getSelectionIndex();
            if (selection > 0) {
                // update the list of EventDisplay.
                EventDisplay display = mDisplayList.remove(selection);
                mDisplayList.add(selection - 1, display);

                // update the list widget
                mEventDisplayList.remove(selection);
                mEventDisplayList.add(display.getName(), selection - 1);

                // update the selection and reset the ui.
                mEventDisplayList.select(selection - 1);
                handleEventDisplaySelection();
                mEventDisplayList.showSelection();

                setModified();
            }
        }
    });

    mEventDisplayDownButton = new Button(bottomControls, SWT.PUSH | SWT.FLAT);
    mEventDisplayDownButton.setImage(loader.loadImage("down.png", //$NON-NLS-1$
            leftPanel.getDisplay()));
    mEventDisplayDownButton.setToolTipText("Moves the selected event display down");
    mEventDisplayDownButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            // get current selection.
            int selection = mEventDisplayList.getSelectionIndex();
            if (selection != -1 && selection < mEventDisplayList.getItemCount() - 1) {
                // update the list of EventDisplay.
                EventDisplay display = mDisplayList.remove(selection);
                mDisplayList.add(selection + 1, display);

                // update the list widget
                mEventDisplayList.remove(selection);
                mEventDisplayList.add(display.getName(), selection + 1);

                // update the selection and reset the ui.
                mEventDisplayList.select(selection + 1);
                handleEventDisplaySelection();
                mEventDisplayList.showSelection();

                setModified();
            }
        }
    });

    Group sizeGroup = new Group(leftPanel, SWT.NONE);
    sizeGroup.setText("Display Size:");
    sizeGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    sizeGroup.setLayout(new GridLayout(2, false));

    Label l = new Label(sizeGroup, SWT.NONE);
    l.setText("Width:");

    mDisplayWidthText = new Text(sizeGroup, SWT.LEFT | SWT.SINGLE | SWT.BORDER);
    mDisplayWidthText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    mDisplayWidthText.setText(Integer.toString(store.getInt(EventLogPanel.PREFS_DISPLAY_WIDTH)));
    mDisplayWidthText.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            String text = mDisplayWidthText.getText().trim();
            try {
                store.setValue(EventLogPanel.PREFS_DISPLAY_WIDTH, Integer.parseInt(text));
                setModified();
            } catch (NumberFormatException nfe) {
                // do something?
            }
        }
    });

    l = new Label(sizeGroup, SWT.NONE);
    l.setText("Height:");

    mDisplayHeightText = new Text(sizeGroup, SWT.LEFT | SWT.SINGLE | SWT.BORDER);
    mDisplayHeightText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    mDisplayHeightText.setText(Integer.toString(store.getInt(EventLogPanel.PREFS_DISPLAY_HEIGHT)));
    mDisplayHeightText.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            String text = mDisplayHeightText.getText().trim();
            try {
                store.setValue(EventLogPanel.PREFS_DISPLAY_HEIGHT, Integer.parseInt(text));
                setModified();
            } catch (NumberFormatException nfe) {
                // do something?
            }
        }
    });
}

From source file:com.android.ddmuilib.log.event.EventLogPanel.java

License:Apache License

/**
 * Saves the {@link EventDisplay}s into the {@link DdmUiPreferences} store.
 */// www  .j a v a  2  s  .c  om
private void saveEventDisplays() {
    IPreferenceStore store = DdmUiPreferences.getStore();

    boolean first = true;
    StringBuilder sb = new StringBuilder();

    for (EventDisplay eventDisplay : mEventDisplays) {
        String storage = eventDisplay.getStorageString();
        if (storage != null) {
            if (first == false) {
                sb.append(EVENT_DISPLAY_STORAGE_SEPARATOR);
            } else {
                first = false;
            }

            sb.append(storage);
        }
    }

    store.setValue(PREFS_EVENT_DISPLAY, sb.toString());
}

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

License:Apache License

/**
 * Create the Table display. This includes a "detail" Table in the bottom
 * half and 2 modes in the top half: allocation Table and
 * library+allocations Tables./*w  w w . j a  va2s. co  m*/
 *
 * @param base the top parent to create the display into
 */
private void createTableDisplay(Composite base) {
    final int minPanelWidth = 60;

    final IPreferenceStore prefs = DdmUiPreferences.getStore();

    // top level composite for mode 1 & 2
    mTableModeControl = new Composite(base, SWT.NONE);
    GridLayout gl = new GridLayout(1, false);
    gl.marginLeft = gl.marginRight = gl.marginTop = gl.marginBottom = 0;
    mTableModeControl.setLayout(gl);
    mTableModeControl.setLayoutData(new GridData(GridData.FILL_BOTH));

    mTotalMemoryLabel = new Label(mTableModeControl, SWT.NONE);
    mTotalMemoryLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    mTotalMemoryLabel.setText("Total Memory: 0 Bytes");

    // the top half of these modes is dynamic

    final Composite sash_composite = new Composite(mTableModeControl, SWT.NONE);
    sash_composite.setLayout(new FormLayout());
    sash_composite.setLayoutData(new GridData(GridData.FILL_BOTH));

    // create the stacked composite
    mAllocationStackComposite = new Composite(sash_composite, SWT.NONE);
    mAllocationStackLayout = new StackLayout();
    mAllocationStackComposite.setLayout(mAllocationStackLayout);
    mAllocationStackComposite.setLayoutData(new GridData(GridData.FILL_BOTH));

    // create the top half for mode 1
    createAllocationTopHalf(mAllocationStackComposite);

    // create the top half for mode 2
    createLibraryTopHalf(mAllocationStackComposite);

    final Sash sash = new Sash(sash_composite, SWT.HORIZONTAL);

    // bottom half of these modes is the same: detail table
    createDetailTable(sash_composite);

    // init value for stack
    mAllocationStackLayout.topControl = mAllocationModeTop;

    // form layout data
    FormData data = new FormData();
    data.top = new FormAttachment(mTotalMemoryLabel, 0);
    data.bottom = new FormAttachment(sash, 0);
    data.left = new FormAttachment(0, 0);
    data.right = new FormAttachment(100, 0);
    mAllocationStackComposite.setLayoutData(data);

    final FormData sashData = new FormData();
    if (prefs != null && prefs.contains(PREFS_ALLOCATION_SASH)) {
        sashData.top = new FormAttachment(0, prefs.getInt(PREFS_ALLOCATION_SASH));
    } else {
        sashData.top = new FormAttachment(50, 0); // 50% across
    }
    sashData.left = new FormAttachment(0, 0);
    sashData.right = new FormAttachment(100, 0);
    sash.setLayoutData(sashData);

    data = new FormData();
    data.top = new FormAttachment(sash, 0);
    data.bottom = new FormAttachment(100, 0);
    data.left = new FormAttachment(0, 0);
    data.right = new FormAttachment(100, 0);
    mDetailTable.setLayoutData(data);

    // allow resizes, but cap at minPanelWidth
    sash.addListener(SWT.Selection, new Listener() {
        @Override
        public void handleEvent(Event e) {
            Rectangle sashRect = sash.getBounds();
            Rectangle panelRect = sash_composite.getClientArea();
            int bottom = panelRect.height - sashRect.height - minPanelWidth;
            e.y = Math.max(Math.min(e.y, bottom), minPanelWidth);
            if (e.y != sashRect.y) {
                sashData.top = new FormAttachment(0, e.y);
                prefs.setValue(PREFS_ALLOCATION_SASH, e.y);
                sash_composite.layout();
            }
        }
    });
}