Examples with KeyAdapter org.eclipse.swt.events.KeyAdapter used on opensource projects

Example 26 with KeyAdapter

use of org.eclipse.swt.events.KeyAdapter in project bndtools by bndtools.

the class RepositoryBundleSelectionPart method createSection.

void createSection(Section section, FormToolkit toolkit) {
    // Toolbar buttons
    ToolBar toolbar = new ToolBar(section, SWT.FLAT);
    section.setTextClient(toolbar);
    fillToolBar(toolbar);
    Composite composite = toolkit.createComposite(section);
    section.setClient(composite);
    table = toolkit.createTable(composite, SWT.FULL_SELECTION | SWT.MULTI | SWT.BORDER | SWT.H_SCROLL);
    viewer = new TableViewer(table);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(getLabelProvider());
    // Listeners
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            ToolItem remove = getRemoveItemTool();
            if (remove != null)
                remove.setEnabled(isRemovable(event.getSelection()));
        }
    });
    ViewerDropAdapter dropAdapter = new ViewerDropAdapter(viewer) {

        @Override
        public void dragEnter(DropTargetEvent event) {
            super.dragEnter(event);
            event.detail = DND.DROP_COPY;
        }

        @Override
        public boolean validateDrop(Object target, int operation, TransferData transferType) {
            if (FileTransfer.getInstance().isSupportedType(transferType))
                return true;
            if (ResourceTransfer.getInstance().isSupportedType(transferType))
                return true;
            if (URLTransfer.getInstance().isSupportedType(transferType))
                return true;
            ISelection selection = LocalSelectionTransfer.getTransfer().getSelection();
            if (selection.isEmpty() || !(selection instanceof IStructuredSelection)) {
                return false;
            }
            Iterator<?> iterator = ((IStructuredSelection) selection).iterator();
            while (iterator.hasNext()) {
                if (!selectionIsDroppable(iterator.next())) {
                    return false;
                }
            }
            return true;
        }

        private boolean selectionIsDroppable(Object element) {
            return element instanceof RepositoryBundle || element instanceof RepositoryBundleVersion || element instanceof ProjectBundle || element instanceof RepositoryResourceElement;
        }

        @Override
        public boolean performDrop(Object data) {
            TransferData transfer = getCurrentEvent().currentDataType;
            if (URLTransfer.getInstance().isSupportedType(transfer)) {
                String urlStr = (String) URLTransfer.getInstance().nativeToJava(transfer);
                return handleURLDrop(urlStr);
            } else if (data instanceof String[]) {
                return handleFileNameDrop((String[]) data);
            } else if (data instanceof IResource[]) {
                return handleResourceDrop((IResource[]) data);
            } else {
                return handleSelectionDrop();
            }
        }

        private boolean handleResourceDrop(IResource[] resources) {
            File[] files = new File[resources.length];
            for (int i = 0; i < resources.length; i++) {
                files[i] = resources[i].getLocation().toFile();
            }
            return handleFileDrop(files);
        }

        private boolean handleFileNameDrop(String[] paths) {
            File[] files = new File[paths.length];
            for (int i = 0; i < paths.length; i++) {
                files[i] = new File(paths[i]);
            }
            return handleFileDrop(files);
        }

        private boolean handleFileDrop(File[] files) {
            if (files.length > 0) {
                BndPreferences prefs = new BndPreferences();
                boolean hideWarning = prefs.getHideWarningExternalFile();
                if (!hideWarning) {
                    MessageDialogWithToggle dialog = MessageDialogWithToggle.openWarning(getSection().getShell(), "Add External Files", "External files cannot be directly added to a project, they must be added to a local repository first.", "Do not show this warning again.", false, null, null);
                    if (Window.CANCEL == dialog.getReturnCode())
                        return false;
                    if (dialog.getToggleState()) {
                        prefs.setHideWarningExternalFile(true);
                    }
                }
                AddFilesToRepositoryWizard wizard = new AddFilesToRepositoryWizard(null, files);
                WizardDialog dialog = new WizardDialog(getSection().getShell(), wizard);
                if (Window.OK == dialog.open()) {
                    List<Pair<String, String>> addingBundles = wizard.getSelectedBundles();
                    List<VersionedClause> addingClauses = new ArrayList<VersionedClause>(addingBundles.size());
                    for (Pair<String, String> addingBundle : addingBundles) {
                        Attrs attribs = new Attrs();
                        attribs.put(Constants.VERSION_ATTRIBUTE, addingBundle.getSecond());
                        addingClauses.add(new VersionedClause(addingBundle.getFirst(), attribs));
                    }
                    handleAdd(addingClauses);
                }
                return true;
            }
            return false;
        }

        private boolean handleSelectionDrop() {
            ISelection selection = LocalSelectionTransfer.getTransfer().getSelection();
            if (selection.isEmpty() || !(selection instanceof IStructuredSelection)) {
                return false;
            }
            List<VersionedClause> adding = new LinkedList<VersionedClause>();
            Iterator<?> iterator = ((IStructuredSelection) selection).iterator();
            while (iterator.hasNext()) {
                Object item = iterator.next();
                if (item instanceof RepositoryBundle) {
                    VersionedClause newClause = RepositoryBundleUtils.convertRepoBundle((RepositoryBundle) item);
                    adding.add(newClause);
                } else if (item instanceof RepositoryBundleVersion) {
                    RepositoryBundleVersion bundleVersion = (RepositoryBundleVersion) item;
                    VersionedClause newClause = RepositoryBundleUtils.convertRepoBundleVersion(bundleVersion, phase);
                    adding.add(newClause);
                } else if (item instanceof RepositoryResourceElement) {
                    RepositoryResourceElement elt = (RepositoryResourceElement) item;
                    VersionedClause newClause = RepositoryBundleUtils.convertRepoBundleVersion(elt.getRepositoryBundleVersion(), phase);
                    adding.add(newClause);
                }
            }
            handleAdd(adding);
            return true;
        }

        private boolean handleURLDrop(String urlStr) {
            try {
                URI uri = new URI(sanitizeUrl(urlStr));
                AddJpmDependenciesWizard wizard = new AddJpmDependenciesWizard(uri);
                WizardDialog dialog = new WizardDialog(getSection().getShell(), wizard);
                if (dialog.open() == Window.OK) {
                    Set<ResourceDescriptor> resources = wizard.getResult();
                    List<VersionedClause> newBundles = new ArrayList<VersionedClause>(resources.size());
                    for (ResourceDescriptor resource : resources) {
                        Attrs attrs = new Attrs();
                        attrs.put(Constants.VERSION_ATTRIBUTE, resource.version != null ? resource.version.toString() : Version.emptyVersion.toString());
                        VersionedClause clause = new VersionedClause(resource.bsn, attrs);
                        newBundles.add(clause);
                    }
                    handleAdd(newBundles);
                    return true;
                }
                return false;
            } catch (URISyntaxException e) {
                MessageDialog.openError(getSection().getShell(), "Error", "The dropped URL was invalid: " + urlStr);
                return false;
            }
        }

        private String sanitizeUrl(String urlStr) {
            int newline = urlStr.indexOf('\n');
            if (newline > -1)
                return urlStr.substring(0, newline).trim();
            return urlStr;
        }

        private void handleAdd(Collection<VersionedClause> newClauses) {
            if (newClauses == null || newClauses.isEmpty())
                return;
            List<VersionedClause> toAdd = new LinkedList<VersionedClause>();
            for (VersionedClause newClause : newClauses) {
                boolean found = false;
                for (ListIterator<VersionedClause> iter = bundles.listIterator(); iter.hasNext(); ) {
                    VersionedClause existing = iter.next();
                    if (newClause.getName().equals(existing.getName())) {
                        int index = iter.previousIndex();
                        iter.set(newClause);
                        viewer.replace(newClause, index);
                        found = true;
                        break;
                    }
                }
                if (!found)
                    toAdd.add(newClause);
            }
            bundles.addAll(toAdd);
            viewer.add(toAdd.toArray());
            markDirty();
        }
    };
    dropAdapter.setFeedbackEnabled(false);
    dropAdapter.setExpandEnabled(false);
    viewer.addDropSupport(DND.DROP_COPY | DND.DROP_MOVE, new Transfer[] { LocalSelectionTransfer.getTransfer(), FileTransfer.getInstance(), ResourceTransfer.getInstance(), URLTransfer.getInstance() }, dropAdapter);
    table.addKeyListener(new KeyAdapter() {

        @Override
        public void keyReleased(KeyEvent e) {
            if (e.character == SWT.DEL) {
                doRemove();
            } else if (e.character == '+') {
                doAdd();
            }
        }
    });
    // Layout
    GridLayout layout = new GridLayout(1, false);
    layout.horizontalSpacing = 0;
    layout.verticalSpacing = 0;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    composite.setLayout(layout);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.widthHint = 50;
    gd.heightHint = getTableHeightHint();
    table.setLayoutData(gd);
}

Example 27 with KeyAdapter

use of org.eclipse.swt.events.KeyAdapter in project bndtools by bndtools.

the class RunBlacklistPart method createSection.

private void createSection(Section section, FormToolkit tk) {
    section.setText("Run Blacklist");
    section.setDescription("The specified requirements will be excluded from the resolution.");
    // Create toolbar
    ToolBar toolbar = new ToolBar(section, SWT.FLAT);
    section.setTextClient(toolbar);
    fillToolBar(toolbar);
    // Create main panel
    Composite composite = tk.createComposite(section);
    section.setClient(composite);
    table = tk.createTable(composite, SWT.FULL_SELECTION | SWT.MULTI | SWT.BORDER);
    viewer = new TableViewer(table);
    viewer.setContentProvider(ArrayContentProvider.getInstance());
    viewer.setLabelProvider(new RequirementLabelProvider());
    // Listeners
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            removeTool.setEnabled(!viewer.getSelection().isEmpty());
        }
    });
    table.addKeyListener(new KeyAdapter() {

        @Override
        public void keyReleased(KeyEvent e) {
            if (e.character == SWT.DEL) {
                doRemove();
            } else if (e.character == '+') {
                doAddBundle();
            }
        }
    });
    RequirementViewerDropAdapter dropper = new RequirementViewerDropAdapter();
    dropper.install(viewer);
    // Layout
    GridLayout layout;
    GridData gd;
    layout = new GridLayout(2, false);
    layout.horizontalSpacing = 0;
    layout.verticalSpacing = 5;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    composite.setLayout(layout);
    gd = new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1);
    gd.widthHint = 50;
    gd.heightHint = 50;
    table.setLayoutData(gd);
    gd = new GridData(SWT.RIGHT, SWT.CENTER, true, false);
}

Example 28 with KeyAdapter

use of org.eclipse.swt.events.KeyAdapter in project eclipse.platform.text by eclipse.

the class SearchResultViewer method fillToolBar.

void fillToolBar(IToolBarManager tbm) {
    tbm.add(fShowNextResultAction);
    tbm.add(fShowPreviousResultAction);
    // tbm.add(fGotoMarkerAction); see bug 15275
    tbm.add(fRemoveSelectedMatchesAction);
    tbm.add(fRemoveAllResultsAction);
    tbm.add(new Separator());
    tbm.add(new OpenSearchDialogAction());
    tbm.add(fSearchDropDownAction);
    // need to hook F5 to table
    getTable().addKeyListener(new KeyAdapter() {

        @Override
        public void keyReleased(KeyEvent e) {
            if (e.keyCode == SWT.F5) {
                fSearchAgainAction.run();
                // performance
                return;
            }
            if (e.character == SWT.DEL) {
                new RemoveResultAction(SearchResultViewer.this, true).run();
                // performance
                return;
            }
        }
    });
}

Example 29 with KeyAdapter

use of org.eclipse.swt.events.KeyAdapter in project bndtools by bndtools.

the class PluginPathPart method createClient.

/**
     * Fill the section.
     */
private void createClient(Section section, FormToolkit toolkit) {
    section.setText("Plugin Path");
    createToolBar(section);
    Table table = new Table(section, SWT.BORDER | SWT.FULL_SELECTION);
    toolkit.adapt(table);
    toolkit.paintBordersFor(table);
    section.setClient(table);
    viewer = new TableViewer(table);
    viewer.setContentProvider(ArrayContentProvider.getInstance());
    viewer.setLabelProvider(new PluginPathLabelProvider());
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            boolean enable = !viewer.getSelection().isEmpty();
            removeItem.setEnabled(enable);
        }
    });
    table.addKeyListener(new KeyAdapter() {

        @Override
        public void keyReleased(KeyEvent e) {
            if (e.character == SWT.DEL) {
                doRemove();
            } else if (e.character == '+') {
                doAdd();
            }
        }
    });
}

Example 30 with KeyAdapter

use of org.eclipse.swt.events.KeyAdapter in project eclipse.platform.swt by eclipse.

the class ImageAnalyzer method createWidgets.

void createWidgets() {
    // Add the widgets to the shell in a grid layout.
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.numColumns = 2;
    shell.setLayout(layout);
    // Add a composite to contain some control widgets across the top.
    Composite controls = new Composite(shell, SWT.NONE);
    RowLayout rowLayout = new RowLayout();
    rowLayout.marginTop = 5;
    rowLayout.marginBottom = 5;
    rowLayout.spacing = 8;
    controls.setLayout(rowLayout);
    GridData gridData = new GridData();
    gridData.horizontalSpan = 2;
    controls.setLayoutData(gridData);
    // Combo to change the background.
    Group group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Background"));
    backgroundCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    backgroundCombo.setItems(bundle.getString("None"), bundle.getString("White"), bundle.getString("Black"), bundle.getString("Red"), bundle.getString("Green"), bundle.getString("Blue"));
    backgroundCombo.select(backgroundCombo.indexOf(bundle.getString("White")));
    backgroundCombo.addSelectionListener(widgetSelectedAdapter(event -> changeBackground()));
    // Combo to change the compression ratio.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new GridLayout(3, true));
    group.setText(bundle.getString("Save_group"));
    imageTypeCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    String[] types = { "JPEG", "PNG", "GIF", "ICO", "TIFF", "BMP" };
    for (String type : types) {
        imageTypeCombo.add(type);
    }
    imageTypeCombo.select(imageTypeCombo.indexOf("JPEG"));
    imageTypeCombo.addSelectionListener(widgetSelectedAdapter(event -> {
        int index = imageTypeCombo.getSelectionIndex();
        switch(index) {
            case 0:
                compressionCombo.setEnabled(true);
                compressionRatioLabel.setEnabled(true);
                if (compressionCombo.getItemCount() == 100)
                    break;
                compressionCombo.removeAll();
                for (int i = 0; i < 100; i++) {
                    compressionCombo.add(String.valueOf(i + 1));
                }
                compressionCombo.select(compressionCombo.indexOf("75"));
                break;
            case 1:
                compressionCombo.setEnabled(true);
                compressionRatioLabel.setEnabled(true);
                if (compressionCombo.getItemCount() == 10)
                    break;
                compressionCombo.removeAll();
                for (int i = 0; i < 4; i++) {
                    compressionCombo.add(String.valueOf(i));
                }
                compressionCombo.select(0);
                break;
            case 2:
            case 3:
            case 4:
            case 5:
                compressionCombo.setEnabled(false);
                compressionRatioLabel.setEnabled(false);
                break;
        }
    }));
    imageTypeCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    compressionRatioLabel = new Label(group, SWT.NONE);
    compressionRatioLabel.setText(bundle.getString("Compression"));
    compressionRatioLabel.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
    compressionCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0; i < 100; i++) {
        compressionCombo.add(String.valueOf(i + 1));
    }
    compressionCombo.select(compressionCombo.indexOf("75"));
    compressionCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    // Combo to change the x scale.
    String[] values = { "0.1", "0.2", "0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9", "1", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2", "3", "4", "5", "6", "7", "8", "9", "10" };
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("X_scale"));
    scaleXCombo = new Combo(group, SWT.DROP_DOWN);
    for (String value : values) {
        scaleXCombo.add(value);
    }
    scaleXCombo.select(scaleXCombo.indexOf("1"));
    scaleXCombo.addSelectionListener(widgetSelectedAdapter(event -> scaleX()));
    // Combo to change the y scale.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Y_scale"));
    scaleYCombo = new Combo(group, SWT.DROP_DOWN);
    for (String value : values) {
        scaleYCombo.add(value);
    }
    scaleYCombo.select(scaleYCombo.indexOf("1"));
    scaleYCombo.addSelectionListener(widgetSelectedAdapter(event -> scaleY()));
    // Combo to change the alpha value.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Alpha_K"));
    alphaCombo = new Combo(group, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0; i <= 255; i += 5) {
        alphaCombo.add(String.valueOf(i));
    }
    alphaCombo.select(alphaCombo.indexOf("255"));
    alphaCombo.addSelectionListener(widgetSelectedAdapter(event -> alpha()));
    // Check box to request incremental display.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Display"));
    incrementalCheck = new Button(group, SWT.CHECK);
    incrementalCheck.setText(bundle.getString("Incremental"));
    incrementalCheck.setSelection(incremental);
    incrementalCheck.addSelectionListener(widgetSelectedAdapter(event -> incremental = ((Button) event.widget).getSelection()));
    // Check box to request transparent display.
    transparentCheck = new Button(group, SWT.CHECK);
    transparentCheck.setText(bundle.getString("Transparent"));
    transparentCheck.setSelection(transparent);
    transparentCheck.addSelectionListener(widgetSelectedAdapter(event -> {
        transparent = ((Button) event.widget).getSelection();
        if (image != null) {
            imageCanvas.redraw();
        }
    }));
    // Check box to request mask display.
    maskCheck = new Button(group, SWT.CHECK);
    maskCheck.setText(bundle.getString("Mask"));
    maskCheck.setSelection(showMask);
    maskCheck.addSelectionListener(widgetSelectedAdapter(event -> {
        showMask = ((Button) event.widget).getSelection();
        if (image != null) {
            imageCanvas.redraw();
        }
    }));
    // Check box to request background display.
    backgroundCheck = new Button(group, SWT.CHECK);
    backgroundCheck.setText(bundle.getString("Background"));
    backgroundCheck.setSelection(showBackground);
    backgroundCheck.addSelectionListener(widgetSelectedAdapter(event -> showBackground = ((Button) event.widget).getSelection()));
    // Group the animation buttons.
    group = new Group(controls, SWT.NONE);
    group.setLayout(new RowLayout());
    group.setText(bundle.getString("Animation"));
    // Push button to display the previous image in a multi-image file.
    previousButton = new Button(group, SWT.PUSH);
    previousButton.setText(bundle.getString("Previous"));
    previousButton.setEnabled(false);
    previousButton.addSelectionListener(widgetSelectedAdapter(event -> previous()));
    // Push button to display the next image in a multi-image file.
    nextButton = new Button(group, SWT.PUSH);
    nextButton.setText(bundle.getString("Next"));
    nextButton.setEnabled(false);
    nextButton.addSelectionListener(widgetSelectedAdapter(event -> next()));
    // Push button to toggle animation of a multi-image file.
    animateButton = new Button(group, SWT.PUSH);
    animateButton.setText(bundle.getString("Animate"));
    animateButton.setEnabled(false);
    animateButton.addSelectionListener(widgetSelectedAdapter(event -> animate()));
    // Label to show the image file type.
    typeLabel = new Label(shell, SWT.NONE);
    typeLabel.setText(bundle.getString("Type_initial"));
    typeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Canvas to show the image.
    imageCanvas = new Canvas(shell, SWT.V_SCROLL | SWT.H_SCROLL | SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
    imageCanvas.setBackground(whiteColor);
    imageCanvas.setCursor(crossCursor);
    gridData = new GridData();
    gridData.verticalSpan = 15;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    imageCanvas.setLayoutData(gridData);
    imageCanvas.addPaintListener(event -> {
        if (image == null) {
            Rectangle bounds = imageCanvas.getBounds();
            event.gc.fillRectangle(0, 0, bounds.width, bounds.height);
        } else {
            paintImage(event);
        }
    });
    imageCanvas.addMouseMoveListener(event -> {
        if (image != null) {
            showColorAt(event.x, event.y);
        }
    });
    // Set up the image canvas scroll bars.
    ScrollBar horizontal = imageCanvas.getHorizontalBar();
    horizontal.setVisible(true);
    horizontal.setMinimum(0);
    horizontal.setEnabled(false);
    horizontal.addSelectionListener(widgetSelectedAdapter(event -> scrollHorizontally((ScrollBar) event.widget)));
    ScrollBar vertical = imageCanvas.getVerticalBar();
    vertical.setVisible(true);
    vertical.setMinimum(0);
    vertical.setEnabled(false);
    vertical.addSelectionListener(widgetSelectedAdapter(event -> scrollVertically((ScrollBar) event.widget)));
    // Label to show the image size.
    sizeLabel = new Label(shell, SWT.NONE);
    sizeLabel.setText(bundle.getString("Size_initial"));
    sizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image depth.
    depthLabel = new Label(shell, SWT.NONE);
    depthLabel.setText(bundle.getString("Depth_initial"));
    depthLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the transparent pixel.
    transparentPixelLabel = new Label(shell, SWT.NONE);
    transparentPixelLabel.setText(bundle.getString("Transparent_pixel_initial"));
    transparentPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the time to load.
    timeToLoadLabel = new Label(shell, SWT.NONE);
    timeToLoadLabel.setText(bundle.getString("Time_to_load_initial"));
    timeToLoadLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Separate the animation fields from the rest of the fields.
    Label separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the logical screen size for animation.
    screenSizeLabel = new Label(shell, SWT.NONE);
    screenSizeLabel.setText(bundle.getString("Animation_size_initial"));
    screenSizeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the background pixel.
    backgroundPixelLabel = new Label(shell, SWT.NONE);
    backgroundPixelLabel.setText(bundle.getString("Background_pixel_initial"));
    backgroundPixelLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image location (x, y).
    locationLabel = new Label(shell, SWT.NONE);
    locationLabel.setText(bundle.getString("Image_location_initial"));
    locationLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image disposal method.
    disposalMethodLabel = new Label(shell, SWT.NONE);
    disposalMethodLabel.setText(bundle.getString("Disposal_initial"));
    disposalMethodLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the image delay time.
    delayTimeLabel = new Label(shell, SWT.NONE);
    delayTimeLabel.setText(bundle.getString("Delay_initial"));
    delayTimeLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show the background pixel.
    repeatCountLabel = new Label(shell, SWT.NONE);
    repeatCountLabel.setText(bundle.getString("Repeats_initial"));
    repeatCountLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Separate the animation fields from the palette.
    separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
    separator.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Label to show if the image has a direct or indexed palette.
    paletteLabel = new Label(shell, SWT.NONE);
    paletteLabel.setText(bundle.getString("Palette_initial"));
    paletteLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
    // Canvas to show the image's palette.
    paletteCanvas = new Canvas(shell, SWT.BORDER | SWT.V_SCROLL | SWT.NO_REDRAW_RESIZE);
    paletteCanvas.setFont(fixedWidthFont);
    paletteCanvas.getVerticalBar().setVisible(true);
    gridData = new GridData();
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    GC gc = new GC(paletteLabel);
    paletteWidth = gc.stringExtent(bundle.getString("Max_length_string")).x;
    gc.dispose();
    gridData.widthHint = paletteWidth;
    // show at least 16 colors
    gridData.heightHint = 16 * 11;
    paletteCanvas.setLayoutData(gridData);
    paletteCanvas.addPaintListener(event -> {
        if (image != null)
            paintPalette(event);
    });
    // Set up the palette canvas scroll bar.
    vertical = paletteCanvas.getVerticalBar();
    vertical.setVisible(true);
    vertical.setMinimum(0);
    vertical.setIncrement(10);
    vertical.setEnabled(false);
    vertical.addSelectionListener(widgetSelectedAdapter(event -> scrollPalette((ScrollBar) event.widget)));
    // Sash to see more of image or image data.
    sash = new Sash(shell, SWT.HORIZONTAL);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    sash.setLayoutData(gridData);
    sash.addSelectionListener(widgetSelectedAdapter(event -> {
        if (event.detail != SWT.DRAG) {
            ((GridData) paletteCanvas.getLayoutData()).heightHint = SWT.DEFAULT;
            Rectangle paletteCanvasBounds = paletteCanvas.getBounds();
            int minY = paletteCanvasBounds.y + 20;
            Rectangle dataLabelBounds = dataLabel.getBounds();
            int maxY = statusLabel.getBounds().y - dataLabelBounds.height - 20;
            if (event.y > minY && event.y < maxY) {
                Rectangle oldSash = sash.getBounds();
                sash.setBounds(event.x, event.y, event.width, event.height);
                int diff = event.y - oldSash.y;
                Rectangle bounds = imageCanvas.getBounds();
                imageCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
                bounds = paletteCanvasBounds;
                paletteCanvas.setBounds(bounds.x, bounds.y, bounds.width, bounds.height + diff);
                bounds = dataLabelBounds;
                dataLabel.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height);
                bounds = dataText.getBounds();
                dataText.setBounds(bounds.x, bounds.y + diff, bounds.width, bounds.height - diff);
            // shell.layout(true);
            }
        }
    }));
    // Label to show data-specific fields.
    dataLabel = new Label(shell, SWT.NONE);
    dataLabel.setText(bundle.getString("Pixel_data_initial"));
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    dataLabel.setLayoutData(gridData);
    // Text to show a dump of the data.
    dataText = new StyledText(shell, SWT.BORDER | SWT.MULTI | SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL);
    dataText.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    dataText.setFont(fixedWidthFont);
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    gridData.verticalAlignment = GridData.FILL;
    gridData.heightHint = 128;
    gridData.grabExcessVerticalSpace = true;
    dataText.setLayoutData(gridData);
    dataText.addMouseListener(MouseListener.mouseDownAdapter(event -> {
        if (image != null && event.button == 1) {
            showColorForData();
        }
    }));
    dataText.addKeyListener(new KeyAdapter() {

        @Override
        public void keyPressed(KeyEvent event) {
            if (image != null) {
                showColorForData();
            }
        }
    });
    // Label to show status and cursor location in image.
    statusLabel = new Label(shell, SWT.NONE);
    statusLabel.setText("");
    gridData = new GridData();
    gridData.horizontalSpan = 2;
    gridData.horizontalAlignment = GridData.FILL;
    statusLabel.setLayoutData(gridData);
}