Java JScrollPane.getViewport方法代码示例

import javax.swing.JScrollPane; //导入方法依赖的package包/类
/** Overridden - JTable's implementation of the method will
 *  actually attach (and leave behind) a gratuitous border
 *  on the enclosing scroll pane. */
protected final void configureEnclosingScrollPane() {
    Container p = getParent();

    if (p instanceof JViewport) {
        Container gp = p.getParent();

        if (gp instanceof JScrollPane) {
            JScrollPane scrollPane = (JScrollPane) gp;
            JViewport viewport = scrollPane.getViewport();

            if ((viewport == null) || (viewport.getView() != this)) {
                return;
            }

            scrollPane.setColumnHeaderView(getTableHeader());
        }
    }
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
/**
 * This method update mouse listener on the scrollPane if it is needed.
 * It also recomputes the model of searchCombo. Both actions are needed after
 * the set of visible columns is changed.
 */
void updateColumnSelectionMouseListener() {
    Container p = getParent();
    if (p instanceof JViewport) {
        Container gp = p.getParent();
        if (gp instanceof JScrollPane) {
            JScrollPane scrollPane = (JScrollPane)gp;
            // Make certain we are the viewPort's view and not, for
            // example, the rowHeaderView of the scrollPane -
            // an implementor of fixed columns might do this.
            JViewport viewport = scrollPane.getViewport();
            if (viewport == null || viewport.getView() != this) {
                return;
            }
            scrollPane.removeMouseListener(columnSelectionMouseListener);
            if (getColumnModel().getColumnCount() == 0) {
                scrollPane.addMouseListener(columnSelectionMouseListener);
            }
        }
    }
    if (searchCombo != null) {
        searchCombo.setModel(getSearchComboModel());
    }
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
@Override
protected void unconfigureEnclosingScrollPane() {
	Container p = getParent();
	if (p instanceof JViewport) {
		Container gp = p.getParent();
		if (gp instanceof JScrollPane) {
			JScrollPane scrollPane = (JScrollPane) gp;
			// Make certain we are the viewPort's view and not, for
			// example, the rowHeaderView of the scrollPane -
			// an implementor of fixed columns might do this.
			JViewport viewport = scrollPane.getViewport();
			if (viewport == null || viewport.getView() != this) {
				return;
			}
			scrollPane.setColumnHeaderView(null);
			scrollPane.setRowHeaderView(null);

			viewport.removeChangeListener(scrollListener);
			rowHeader.uninstall();
		}
	}
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
@Override
protected void unconfigureEnclosingScrollPane() {
	Container p = getParent();
	if (p instanceof JViewport) {
		Container gp = p.getParent();
		if (gp instanceof JScrollPane) {
			JScrollPane scrollPane = (JScrollPane) gp;
			// Make certain we are the viewPort's view and not, for
			// example, the rowHeaderView of the scrollPane -
			// an implementor of fixed columns might do this.
			JViewport viewport = scrollPane.getViewport();
			if (viewport == null || viewport.getView() != this) {
				return;
			}
			scrollPane.setColumnHeaderView(null);
			scrollPane.setRowHeaderView(null);

			viewport.removeChangeListener(scrollListener);
			rowHeader.uninstall();
		}
	}

}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
private static JComponent createComponent() {
    createStyles();
    for (int i = 0; i < data.length; i++) {
        Paragraph p = data[i];
        addParagraph(p);
    }

    JTextPane textPane = new JTextPane(doc);

    JScrollPane scroller = new JScrollPane();
    JViewport port = scroller.getViewport();
    port.setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE);
    port.add(textPane);

    return scroller;
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
private JScrollPane createScrollPane(Component inner) {
    JScrollPane result = new JScrollPane(inner);
    JViewport vp = result.getViewport();
    vp.addMouseListener(this);

    MarginViewportUI ui = (MarginViewportUI) MarginViewportUI.createUI(vp);
    vp.setUI(ui);
    ui.setMarginPainted(marginPainted);
    ui.setMarginColor(marginColor);
    ui.setEmptyString(emptyString);
    result.setBorder(BorderFactory.createEmptyBorder());
    result.setViewportBorder(result.getBorder());

    return result;
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
/**
 * duplicated to avoid repeating the same checks multiple times
 */
@Override
protected void configureEnclosingScrollPane() {
	Container p = getParent();
	if (p instanceof JViewport) {
		Container gp = p.getParent();
		if (gp instanceof JScrollPane) {
			JScrollPane scrollPane = (JScrollPane) gp;
			// Make certain we are the viewPort's view and not, for
			// example, the rowHeaderView of the scrollPane -
			// an implementor of fixed columns might do this.
			JViewport viewport = scrollPane.getViewport();
			if (viewport == null || viewport.getView() != this) {
				return;
			}
			scrollPane.setColumnHeaderView(getTableHeader());
			Border border = scrollPane.getBorder();
			if (border == null || border instanceof UIResource) {
				scrollPane.setBorder(UIManager.getBorder("Table.scrollPaneBorder"));
			}
			//rowHeader=new RowHeader(dataModel);
			rowHeader.setRowHeight(CommonConstants.ROW_HEIGHT);
			rowHeader.install(this, scrollPane);
			installLabels(scrollPane);
			installSelectAllButton(scrollPane);
			viewport.addChangeListener(scrollListener);
		}
	}
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
/**
 * duplicated to avoid repeating the same checks multiple times
 */
@Override
protected void configureEnclosingScrollPane() {
	Container p = getParent();
	if (p instanceof JViewport) {
		Container gp = p.getParent();
		if (gp instanceof JScrollPane) {
			JScrollPane scrollPane = (JScrollPane) gp;
			// Make certain we are the viewPort's view and not, for
			// example, the rowHeaderView of the scrollPane -
			// an implementor of fixed columns might do this.
			JViewport viewport = scrollPane.getViewport();
			if (viewport == null || viewport.getView() != this) {
				return;
			}
			scrollPane.setColumnHeaderView(getTableHeader());
			Border border = scrollPane.getBorder();
			if (border == null || border instanceof UIResource) {
				scrollPane.setBorder(UIManager.getBorder("Table.scrollPaneBorder"));
			}
			//rowHeader=new RowHeader(dataModel);
			rowHeader.install(this, scrollPane);
			installLabels(scrollPane);
			installSelectAllButton(scrollPane);
			viewport.addChangeListener(scrollListener);
		}
	}
}
 

import javax.swing.JScrollPane; //导入方法依赖的package包/类
private void initComponents() {        
    table = new DetailsTable();
    table.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

    JViewport viewport = new Viewport(table);

    final JScrollPane tableScroll = new JScrollPane(
                                        JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
                                        JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    tableScroll.setViewport(viewport);
    tableScroll.setBorder(BorderFactory.createEmptyBorder());
    tableScroll.setViewportBorder(BorderFactory.createEmptyBorder());
    tableScroll.setCorner(JScrollPane.UPPER_RIGHT_CORNER, new HeaderPanel());
    
    scrollBar = new ScrollBar(JScrollBar.VERTICAL) {
        public int getUnitIncrement(int direction) {
            JViewport vp = tableScroll.getViewport();
            Scrollable view = (Scrollable)(vp.getView());
            Rectangle vr = vp.getViewRect();
            return view.getScrollableUnitIncrement(vr, getOrientation(), direction);
        }
        public int getBlockIncrement(int direction) {
            JViewport vp = tableScroll.getViewport();
            Scrollable view = (Scrollable)(vp.getView());
            Rectangle vr = vp.getViewRect();
            return view.getScrollableBlockIncrement(vr, getOrientation(), direction);
        }
        public void setValues(int newValue, int newExtent, int newMin, int newMax) {
            setEnabled(newExtent < newMax);
            if (isEnabled() && !isSelectionChanging() && isTrackingEnd())
                newValue = newMax - newExtent;
            super.setValues(newValue, newExtent, newMin, newMax);
        }
    };
    tableScroll.setVerticalScrollBar(scrollBar);
    dataContainer = tableScroll;

    JLabel noDataLabel = new JLabel("<No probe selected>", JLabel.CENTER);
    noDataLabel.setEnabled(false);
    noDataContainer = new JPanel(new BorderLayout());
    noDataContainer.setOpaque(false);
    noDataContainer.add(noDataLabel, BorderLayout.CENTER);

    setOpaque(false);
    setLayout(new BorderLayout());
    add(noDataContainer, BorderLayout.CENTER);
}