test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/table/HyperlinkCellRenderer.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 package com.sun.swingset3.demos.table;

 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Cursor;
 import java.awt.Insets;
 import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.util.ArrayList;
 import java.util.HashMap;

 import javax.swing.Action;
 import javax.swing.JTable;
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 import javax.swing.border.Border;
 import javax.swing.border.EmptyBorder;
 import javax.swing.table.TableCellRenderer;

 import com.sun.swingset3.demos.JHyperlink;

 /**
  * Table renderer which renders cell value as hyperlink with optional rollover underline.
  *
  * @author aim
  */
 public class HyperlinkCellRenderer extends JHyperlink implements TableCellRenderer {
     private JTable table;
     private final ArrayList<Integer> columnModelIndeces = new ArrayList<Integer>();

     private Color rowColors[];
     private Color foreground;
     private Color visitedForeground;
     private Border focusBorder;
     private Border noFocusBorder;

     private boolean underlineOnRollover = true;

     private transient int hitColumnIndex = -1;
     private transient int hitRowIndex = -1;

     private HashMap<Object, int[]> visitedCache;

     public HyperlinkCellRenderer(Action action, boolean underlineOnRollover) {
         setAction(action);
         setHorizontalAlignment(JHyperlink.LEFT);
         rowColors = new Color[1];
         rowColors[0] = UIManager.getColor("Table.background");
         this.underlineOnRollover = underlineOnRollover;
         applyDefaults();
     }

     public void setRowColors(Color[] colors) {
         this.rowColors = colors;
     }

     public void updateUI() {
         super.updateUI();
         applyDefaults();
     }

     protected void applyDefaults() {
         setOpaque(true);
         setBorderPainted(false);
         foreground = UIManager.getColor("Hyperlink.foreground");
         visitedForeground = UIManager.getColor("Hyperlink.visitedForeground");

         // Make sure border used on non-focussed cells is same size as focussed border
         focusBorder = UIManager.getBorder("Table.focusCellHighlightBorder");
         if (focusBorder != null) {
             Insets insets = focusBorder.getBorderInsets(this);
             noFocusBorder = new EmptyBorder(insets.top, insets.left, insets.bottom, insets.right);
         } else {
             focusBorder = noFocusBorder = new EmptyBorder(1, 1, 1, 1);
         }
     }

     public Component getTableCellRendererComponent(JTable table, Object value,
             boolean isSelected, boolean hasFocus, int row, int column) {
         if (this.table == null) {
             this.table = table;
             HyperlinkMouseListener hyperlinkListener = new HyperlinkMouseListener();
             table.addMouseMotionListener(hyperlinkListener);
             table.addMouseListener(hyperlinkListener);
         }
         int columnModelIndex = table.getColumnModel().getColumn(column).getModelIndex();
         if (!columnModelIndeces.contains(columnModelIndex)) {
             columnModelIndeces.add(columnModelIndex);
         }

         if (value instanceof Link) {
             Link link = (Link) value;
             setText(link.getDisplayText());
             setToolTipText(link.getDescription());
         } else {
             setText(value != null ? value.toString() : "");
         }
         setVisited(isCellLinkVisited(value, row, column));
         setDrawUnderline(!underlineOnRollover ||
                 (row == hitRowIndex && column == hitColumnIndex));

         if (!isSelected) {
             setBackground(rowColors[row % rowColors.length]);
             //setForeground(isCellLinkVisited(value, row, column)?
             //  visitedForeground : foreground);
             setForeground(foreground);
             setVisitedForeground(visitedForeground);
         } else {
             setBackground(table.getSelectionBackground());
             setForeground(table.getSelectionForeground());
             setVisitedForeground(table.getSelectionForeground());
         }
         //setBorder(hasFocus? focusBorder : noFocusBorder);
         //System.out.println("border insets="+getBorder().getBorderInsets(this));

         return this;
     }

     protected void setCellLinkVisited(Object value, int row, int column) {
         if (!isCellLinkVisited(value, row, column)) {
             if (value instanceof Link) {
                 ((Link) value).setVisited(true);
             } else {
                 if (visitedCache == null) {
                     visitedCache = new HashMap<Object, int[]>();
                 }
                 int position[] = new int[2];
                 position[0] = table.convertRowIndexToModel(row);
                 position[1] = table.convertColumnIndexToModel(column);
                 visitedCache.put(value, position);
             }
         }
     }

     protected boolean isCellLinkVisited(Object value, int row, int column) {
         if (value instanceof Link) {
             return ((Link) value).isVisited();
         }
         if (visitedCache != null) {
             int position[] = visitedCache.get(value);
             if (position != null) {
                 return position[0] == table.convertRowIndexToModel(row) &&
                         position[1] == table.convertColumnIndexToModel(column);
             }
         }
         return false;
     }

     public int getActiveHyperlinkRow() {
         return hitRowIndex;
     }

     public int getActiveHyperlinkColumn() {
         return hitColumnIndex;
     }

     // overridden because the AbstractButton's version forces the source of the event
     // to be the AbstractButton and we want a little more freedom to configure the
     // event
     @Override
     protected void fireActionPerformed(ActionEvent event) {
         // Guaranteed to return a non-null array
         Object[] listeners = listenerList.getListenerList();

         // Process the listeners last to first, notifying
         // those that are interested in this event
         for (int i = listeners.length - 2; i >= 0; i -= 2) {
             if (listeners[i] == ActionListener.class) {
                 ((ActionListener) listeners[i + 1]).actionPerformed(event);
             }
         }
     }

     public void invalidate() {
     }

     public void validate() {
     }

     public void revalidate() {
     }

     public void repaint(long tm, int x, int y, int width, int height) {
     }

     public void repaint(Rectangle r) {
     }

     public void repaint() {
     }

     private class HyperlinkMouseListener extends MouseAdapter {
         private transient Rectangle cellRect;
         private final transient Rectangle iconRect = new Rectangle();
         private final transient Rectangle textRect = new Rectangle();
         private transient Cursor tableCursor;

         @Override
         public void mouseMoved(MouseEvent event) {
             // This should only be called if underlineOnRollover is true
             JTable table = (JTable) event.getSource();

             // Locate the table cell under the event location
             int oldHitColumnIndex = hitColumnIndex;
             int oldHitRowIndex = hitRowIndex;

             checkIfPointInsideHyperlink(event.getPoint());

             if (hitRowIndex != oldHitRowIndex ||
                     hitColumnIndex != oldHitColumnIndex) {
                 if (hitRowIndex != -1) {
                     if (tableCursor == null) {
                         tableCursor = table.getCursor();
                     }
                     table.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
                 } else {
                     table.setCursor(tableCursor);
                 }

                 // repaint the cells affected by rollover
                 Rectangle repaintRect;
                 if (hitRowIndex != -1 && hitColumnIndex != -1) {
                     // we need to repaint new cell with rollover underline
                     // cellRect already contains rect of hit cell
                     if (oldHitRowIndex != -1 && oldHitColumnIndex != -1) {
                         // we also need to repaint previously underlined hyperlink cell
                         // to remove the underline
                         repaintRect = cellRect.union(
                                 table.getCellRect(oldHitRowIndex, oldHitColumnIndex, false));
                     } else {
                         // we don't have a previously underlined hyperlink, so just repaint new one'
                         repaintRect = table.getCellRect(hitRowIndex, hitColumnIndex, false);
                     }
                 } else {
                     // we just need to repaint previously underlined hyperlink cell
                     //to remove the underline
                     repaintRect = table.getCellRect(oldHitRowIndex, oldHitColumnIndex, false);
                 }
                 table.repaint(repaintRect);
             }

         }

         @Override
         public void mouseClicked(MouseEvent event) {
             if (checkIfPointInsideHyperlink(event.getPoint())) {

                 ActionEvent actionEvent = new ActionEvent(new Integer(hitRowIndex),
                         ActionEvent.ACTION_PERFORMED,
                         "hyperlink");

                 HyperlinkCellRenderer.this.fireActionPerformed(actionEvent);

                 setCellLinkVisited(table.getValueAt(hitRowIndex, hitColumnIndex),
                         hitRowIndex, hitColumnIndex);

             }
         }

         protected boolean checkIfPointInsideHyperlink(Point p) {
             hitColumnIndex = table.columnAtPoint(p);
             hitRowIndex = table.rowAtPoint(p);

             if (hitColumnIndex != -1 && hitRowIndex != -1 &&
                     columnModelIndeces.contains(table.getColumnModel().
                             getColumn(hitColumnIndex).getModelIndex())) {
                 // We know point is within a hyperlink column, however we do further hit testing
                 // to see if point is within the text bounds on the hyperlink
                 TableCellRenderer renderer = table.getCellRenderer(hitRowIndex, hitColumnIndex);
                 JHyperlink hyperlink = (JHyperlink) table.prepareRenderer(renderer, hitRowIndex, hitColumnIndex);

                 // Convert the event to the renderer's coordinate system
                 cellRect = table.getCellRect(hitRowIndex, hitColumnIndex, false);
                 hyperlink.setSize(cellRect.width, cellRect.height);
                 p.translate(-cellRect.x, -cellRect.y);
                 cellRect.x = cellRect.y = 0;
                 iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
                 textRect.x = textRect.y = textRect.width = textRect.height = 0;
                 SwingUtilities.layoutCompoundLabel(
                         hyperlink.getFontMetrics(hyperlink.getFont()),
                         hyperlink.getText(), hyperlink.getIcon(),
                         hyperlink.getVerticalAlignment(),
                         hyperlink.getHorizontalAlignment(),
                         hyperlink.getVerticalTextPosition(),
                         hyperlink.getHorizontalTextPosition(),
                         cellRect, iconRect, textRect, hyperlink.getIconTextGap());

                 if (textRect.contains(p)) {
                     // point is within hyperlink text bounds
                     return true;
                 }
             }
             // point is not within a hyperlink's text bounds
             hitRowIndex = -1;
             hitColumnIndex = -1;
             return false;
         }
     }
 }
	/*
	* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package com.sun.swingset3.demos.table;

	import java.awt.Color;
	import java.awt.Component;
	import java.awt.Cursor;
	import java.awt.Insets;
	import java.awt.Point;
	import java.awt.Rectangle;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.event.MouseAdapter;
	import java.awt.event.MouseEvent;
	import java.util.ArrayList;
	import java.util.HashMap;

	import javax.swing.Action;
	import javax.swing.JTable;
	import javax.swing.SwingUtilities;
	import javax.swing.UIManager;
	import javax.swing.border.Border;
	import javax.swing.border.EmptyBorder;
	import javax.swing.table.TableCellRenderer;

	import com.sun.swingset3.demos.JHyperlink;

	/**
	* Table renderer which renders cell value as hyperlink with optional rollover underline.
	*
	* @author aim
	*/
	public class HyperlinkCellRenderer extends JHyperlink implements TableCellRenderer {
	private JTable table;
	private final ArrayList<Integer> columnModelIndeces = new ArrayList<Integer>();

	private Color rowColors[];
	private Color foreground;
	private Color visitedForeground;
	private Border focusBorder;
	private Border noFocusBorder;

	private boolean underlineOnRollover = true;

	private transient int hitColumnIndex = -1;
	private transient int hitRowIndex = -1;

	private HashMap<Object, int[]> visitedCache;

	public HyperlinkCellRenderer(Action action, boolean underlineOnRollover) {
	setAction(action);
	setHorizontalAlignment(JHyperlink.LEFT);
	rowColors = new Color[1];
	rowColors[0] = UIManager.getColor("Table.background");
	this.underlineOnRollover = underlineOnRollover;
	applyDefaults();
	}

	public void setRowColors(Color[] colors) {
	this.rowColors = colors;
	}

	public void updateUI() {
	super.updateUI();
	applyDefaults();
	}

	protected void applyDefaults() {
	setOpaque(true);
	setBorderPainted(false);
	foreground = UIManager.getColor("Hyperlink.foreground");
	visitedForeground = UIManager.getColor("Hyperlink.visitedForeground");

	// Make sure border used on non-focussed cells is same size as focussed border
	focusBorder = UIManager.getBorder("Table.focusCellHighlightBorder");
	if (focusBorder != null) {
	Insets insets = focusBorder.getBorderInsets(this);
	noFocusBorder = new EmptyBorder(insets.top, insets.left, insets.bottom, insets.right);
	} else {
	focusBorder = noFocusBorder = new EmptyBorder(1, 1, 1, 1);
	}
	}

	public Component getTableCellRendererComponent(JTable table, Object value,
	boolean isSelected, boolean hasFocus, int row, int column) {
	if (this.table == null) {
	this.table = table;
	HyperlinkMouseListener hyperlinkListener = new HyperlinkMouseListener();
	table.addMouseMotionListener(hyperlinkListener);
	table.addMouseListener(hyperlinkListener);
	}
	int columnModelIndex = table.getColumnModel().getColumn(column).getModelIndex();
	if (!columnModelIndeces.contains(columnModelIndex)) {
	columnModelIndeces.add(columnModelIndex);
	}

	if (value instanceof Link) {
	Link link = (Link) value;
	setText(link.getDisplayText());
	setToolTipText(link.getDescription());
	} else {
	setText(value != null ? value.toString() : "");
	}
	setVisited(isCellLinkVisited(value, row, column));
	setDrawUnderline(!underlineOnRollover \|\|
	(row == hitRowIndex && column == hitColumnIndex));

	if (!isSelected) {
	setBackground(rowColors[row % rowColors.length]);
	//setForeground(isCellLinkVisited(value, row, column)?
	// visitedForeground : foreground);
	setForeground(foreground);
	setVisitedForeground(visitedForeground);
	} else {
	setBackground(table.getSelectionBackground());
	setForeground(table.getSelectionForeground());
	setVisitedForeground(table.getSelectionForeground());
	}
	//setBorder(hasFocus? focusBorder : noFocusBorder);
	//System.out.println("border insets="+getBorder().getBorderInsets(this));

	return this;
	}

	protected void setCellLinkVisited(Object value, int row, int column) {
	if (!isCellLinkVisited(value, row, column)) {
	if (value instanceof Link) {
	((Link) value).setVisited(true);
	} else {
	if (visitedCache == null) {
	visitedCache = new HashMap<Object, int[]>();
	}
	int position[] = new int[2];
	position[0] = table.convertRowIndexToModel(row);
	position[1] = table.convertColumnIndexToModel(column);
	visitedCache.put(value, position);
	}
	}
	}

	protected boolean isCellLinkVisited(Object value, int row, int column) {
	if (value instanceof Link) {
	return ((Link) value).isVisited();
	}
	if (visitedCache != null) {
	int position[] = visitedCache.get(value);
	if (position != null) {
	return position[0] == table.convertRowIndexToModel(row) &&
	position[1] == table.convertColumnIndexToModel(column);
	}
	}
	return false;
	}

	public int getActiveHyperlinkRow() {
	return hitRowIndex;
	}

	public int getActiveHyperlinkColumn() {
	return hitColumnIndex;
	}

	// overridden because the AbstractButton's version forces the source of the event
	// to be the AbstractButton and we want a little more freedom to configure the
	// event
	@Override
	protected void fireActionPerformed(ActionEvent event) {
	// Guaranteed to return a non-null array
	Object[] listeners = listenerList.getListenerList();

	// Process the listeners last to first, notifying
	// those that are interested in this event
	for (int i = listeners.length - 2; i >= 0; i -= 2) {
	if (listeners[i] == ActionListener.class) {
	((ActionListener) listeners[i + 1]).actionPerformed(event);
	}
	}
	}

	public void invalidate() {
	}

	public void validate() {
	}

	public void revalidate() {
	}

	public void repaint(long tm, int x, int y, int width, int height) {
	}

	public void repaint(Rectangle r) {
	}

	public void repaint() {
	}

	private class HyperlinkMouseListener extends MouseAdapter {
	private transient Rectangle cellRect;
	private final transient Rectangle iconRect = new Rectangle();
	private final transient Rectangle textRect = new Rectangle();
	private transient Cursor tableCursor;

	@Override
	public void mouseMoved(MouseEvent event) {
	// This should only be called if underlineOnRollover is true
	JTable table = (JTable) event.getSource();

	// Locate the table cell under the event location
	int oldHitColumnIndex = hitColumnIndex;
	int oldHitRowIndex = hitRowIndex;

	checkIfPointInsideHyperlink(event.getPoint());

	if (hitRowIndex != oldHitRowIndex \|\|
	hitColumnIndex != oldHitColumnIndex) {
	if (hitRowIndex != -1) {
	if (tableCursor == null) {
	tableCursor = table.getCursor();
	}
	table.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
	} else {
	table.setCursor(tableCursor);
	}

	// repaint the cells affected by rollover
	Rectangle repaintRect;
	if (hitRowIndex != -1 && hitColumnIndex != -1) {
	// we need to repaint new cell with rollover underline
	// cellRect already contains rect of hit cell
	if (oldHitRowIndex != -1 && oldHitColumnIndex != -1) {
	// we also need to repaint previously underlined hyperlink cell
	// to remove the underline
	repaintRect = cellRect.union(
	table.getCellRect(oldHitRowIndex, oldHitColumnIndex, false));
	} else {
	// we don't have a previously underlined hyperlink, so just repaint new one'
	repaintRect = table.getCellRect(hitRowIndex, hitColumnIndex, false);
	}
	} else {
	// we just need to repaint previously underlined hyperlink cell
	//to remove the underline
	repaintRect = table.getCellRect(oldHitRowIndex, oldHitColumnIndex, false);
	}
	table.repaint(repaintRect);
	}

	}

	@Override
	public void mouseClicked(MouseEvent event) {
	if (checkIfPointInsideHyperlink(event.getPoint())) {

	ActionEvent actionEvent = new ActionEvent(new Integer(hitRowIndex),
	ActionEvent.ACTION_PERFORMED,
	"hyperlink");

	HyperlinkCellRenderer.this.fireActionPerformed(actionEvent);

	setCellLinkVisited(table.getValueAt(hitRowIndex, hitColumnIndex),
	hitRowIndex, hitColumnIndex);

	}
	}

	protected boolean checkIfPointInsideHyperlink(Point p) {
	hitColumnIndex = table.columnAtPoint(p);
	hitRowIndex = table.rowAtPoint(p);

	if (hitColumnIndex != -1 && hitRowIndex != -1 &&
	columnModelIndeces.contains(table.getColumnModel().
	getColumn(hitColumnIndex).getModelIndex())) {
	// We know point is within a hyperlink column, however we do further hit testing
	// to see if point is within the text bounds on the hyperlink
	TableCellRenderer renderer = table.getCellRenderer(hitRowIndex, hitColumnIndex);
	JHyperlink hyperlink = (JHyperlink) table.prepareRenderer(renderer, hitRowIndex, hitColumnIndex);

	// Convert the event to the renderer's coordinate system
	cellRect = table.getCellRect(hitRowIndex, hitColumnIndex, false);
	hyperlink.setSize(cellRect.width, cellRect.height);
	p.translate(-cellRect.x, -cellRect.y);
	cellRect.x = cellRect.y = 0;
	iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
	textRect.x = textRect.y = textRect.width = textRect.height = 0;
	SwingUtilities.layoutCompoundLabel(
	hyperlink.getFontMetrics(hyperlink.getFont()),
	hyperlink.getText(), hyperlink.getIcon(),
	hyperlink.getVerticalAlignment(),
	hyperlink.getHorizontalAlignment(),
	hyperlink.getVerticalTextPosition(),
	hyperlink.getHorizontalTextPosition(),
	cellRect, iconRect, textRect, hyperlink.getIconTextGap());

	if (textRect.contains(p)) {
	// point is within hyperlink text bounds
	return true;
	}
	}
	// point is not within a hyperlink's text bounds
	hitRowIndex = -1;
	hitColumnIndex = -1;
	return false;
	}
	}
	}