Java 类javax.swing.Scrollable 实例源码

项目：PasswordSafe 文件：CScrollBar.java

public int getBlockIncrement(int direction)
{
    JViewport vp = scroll.getViewport();
    if(blockIncrementSet || vp == null)
    {
        return super.getBlockIncrement(direction);
    }
    else if(vp.getView() instanceof Scrollable)
    {
        Scrollable view = (Scrollable)(vp.getView());
        Rectangle vr = vp.getViewRect();
        return view.getScrollableBlockIncrement(vr, getOrientation(), direction);
    }
    else if(getOrientation() == VERTICAL)
    {
        return vp.getExtentSize().height;
    }
    else
    {
        return vp.getExtentSize().width;
    }
}

项目：spring-rich-client 文件：OverlayHelperTests.java

/**
     * Ensures that OverlayHelper will NOT implement the Scrollable interface if the view component does not implement
     * the Scrollable interface.
     * 
     * @throws Exception
     */
    private void performNonScrollableTest() throws Exception {
        final JPanel view = new JPanel(new BorderLayout());
        final JComponent overlay = createTestOverlay();
        final JComponent someField = createTestComponent();

        OverlayHelper.attachOverlay(overlay, someField, 0, 0, 0);

        view.add(someField);

        final JScrollPane scrollPane = new JScrollPane(view);

        waitUntilEventQueueIsEmpty();

        final Component viewportView = scrollPane.getViewport().getView();
//        assertFalse(viewportView == view);
        assertFalse(viewportView instanceof Scrollable);
    }

项目：spring-richclient 文件：OverlayHelperTests.java

/**
     * Ensures that OverlayHelper will NOT implement the Scrollable interface if the view component does not implement
     * the Scrollable interface.
     * 
     * @throws Exception
     */
    private void performNonScrollableTest() throws Exception {
        final JPanel view = new JPanel(new BorderLayout());
        final JComponent overlay = createTestOverlay();
        final JComponent someField = createTestComponent();

        OverlayHelper.attachOverlay(overlay, someField, 0, 0, 0);

        view.add(someField);

        final JScrollPane scrollPane = new JScrollPane(view);

        waitUntilEventQueueIsEmpty();

        final Component viewportView = scrollPane.getViewport().getView();
//        assertFalse(viewportView == view);
        assertFalse(viewportView instanceof Scrollable);
    }

项目：incubator-netbeans 文件：OutlineView.java

@Override
public Dimension preferredLayoutSize(Container parent) {
    Dimension dim = super.preferredLayoutSize(parent);
    OutlineView ov = (OutlineView) parent;
    int thsbPolicy = ov.treeHorizontalScrollBarPolicy;
    if ((thsb != null) && (thsbPolicy != HORIZONTAL_SCROLLBAR_NEVER)) {
        if (thsbPolicy == HORIZONTAL_SCROLLBAR_ALWAYS) {
            dim.height += thsb.getPreferredSize().height;
        }
        else {
            Dimension extentSize = null;
            Dimension viewSize = null;
            Component view = null;

            if (viewport !=  null) {
                extentSize = viewport.getPreferredSize();
                viewSize = viewport.getViewSize();
                view = viewport.getView();
            }

            if ((viewSize != null) && (extentSize != null)) {
                boolean canScroll = true;
                if (view instanceof Scrollable) {
                    canScroll = !((Scrollable)view).getScrollableTracksViewportWidth();
                }
                if (canScroll && (viewSize.width > extentSize.width)) {
                    dim.height += thsb.getPreferredSize().height;
                }
            }
        }
    }
    return dim;
}

项目：incubator-netbeans 文件：IndexedEditorPanel.java

private boolean isEditorScrollable(PropertyPanel p) {
    Component[] comps = p.getComponents();

    for (int i = 0; i < comps.length; i++) {
        if (comps[i] instanceof Scrollable || isInstanceOfTopComponent(comps[i])) {
            return true;
        }
    }

    return false;
}

项目：incubator-netbeans 文件：ScrollAction.java

private int getDefaultIncrement() {
    Component content = scrollPane.getViewport().getView();
    Point position = scrollPane.getViewport().getViewPosition();
    int increment = isHorizontal ? 30 : 8;
    Dimension viewSize = scrollPane.getViewport().getExtentSize();
    if( content instanceof Scrollable ) {
        increment = ((Scrollable)content).getScrollableUnitIncrement( new Rectangle( position, viewSize ),
                isHorizontal ? SwingConstants.HORIZONTAL : SwingConstants.VERTICAL,
                isScrollLeft ? -1 : 1 );
    }
    return increment;
}

项目：SweetHome3D 文件：HomePane.java

public void propertyChange(PropertyChangeEvent ev)
{
    // If home pane was garbage collected, remove this listener from preferences
    HomePane homePane = this.homePane.get();
    if (homePane == null)
    {
        ((UserPreferences) ev.getSource())
                .removePropertyChangeListener(UserPreferences.Property.FURNITURE_CATALOG_VIEWED_IN_TREE, this);
    }
    else
    {
        // Replace previous furniture catalog view by the new one
        JComponent oldFurnitureCatalogView = this.furnitureCatalogView.get();
        if (oldFurnitureCatalogView != null)
        {
            boolean transferHandlerEnabled = homePane.transferHandlerEnabled;
            homePane.setTransferEnabled(false);
            JComponent newFurnitureCatalogView = (JComponent) homePane.controller
                    .getFurnitureCatalogController().getView();
            newFurnitureCatalogView.setComponentPopupMenu(oldFurnitureCatalogView.getComponentPopupMenu());
            homePane.setTransferEnabled(transferHandlerEnabled);
            JComponent splitPaneTopComponent = newFurnitureCatalogView;
            if (newFurnitureCatalogView instanceof Scrollable)
            {
                splitPaneTopComponent = SwingTools.createScrollPane(newFurnitureCatalogView);
            }
            else
            {
                splitPaneTopComponent = newFurnitureCatalogView;
            }
            ((JSplitPane) SwingUtilities.getAncestorOfClass(JSplitPane.class, oldFurnitureCatalogView))
                    .setTopComponent(splitPaneTopComponent);
            this.furnitureCatalogView = new WeakReference<JComponent>(newFurnitureCatalogView);
        }
    }
}

项目：PasswordSafe 文件：CScrollBar.java

public int getUnitIncrement(int direction)
{
    JViewport vp = scroll.getViewport();
    if(!unitIncrementSet && (vp != null) && (vp.getView() instanceof Scrollable))
    {
        Scrollable view = (Scrollable)(vp.getView());
        Rectangle vr = vp.getViewRect();
        return view.getScrollableUnitIncrement(vr, getOrientation(), direction);
    }
    else
    {
        return Theme.plainFont().getSize() * scrollLineCount;
    }
}