hotspot/agent/src/share/classes/sun/jvm/hotspot/ui/ObjectHistogramPanel.java - edge/openjdk - Git at Google

 /*
  * Copyright (c) 2000, 2002, 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 sun.jvm.hotspot.ui;

 import java.util.*;

 import java.awt.*;
 import java.awt.event.*;

 import javax.swing.*;
 import javax.swing.table.*;

 import sun.jvm.hotspot.oops.ObjectHistogram;
 import sun.jvm.hotspot.oops.ObjectHistogramElement;
 import sun.jvm.hotspot.oops.Klass;

 import sun.jvm.hotspot.ui.table.LongCellRenderer;
 import sun.jvm.hotspot.ui.table.SortableTableModel;
 import sun.jvm.hotspot.ui.table.SortHeaderCellRenderer;
 import sun.jvm.hotspot.ui.table.SortHeaderMouseAdapter;
 import sun.jvm.hotspot.ui.table.TableModelComparator;

 import sun.jvm.hotspot.ui.action.*;

 import com.sun.java.swing.ui.StatusBar;
 import com.sun.java.swing.ui.CommonToolBar;

 import com.sun.java.swing.action.ActionManager;
 import com.sun.java.swing.action.DelegateAction;

 /**
  * Displays the results of an ObjectHistogram run in a JTable, with a
  * button to display all objects of that type
  */
 public class ObjectHistogramPanel extends JPanel implements ActionListener {
     private ObjectHistogramTableModel dataModel;
     private ObjectHistogramToolBar toolbar;
     private StatusBar statusBar;
     private JTable     table;
     private java.util.List listeners;

     public ObjectHistogramPanel(ObjectHistogram histo) {
         dataModel = new ObjectHistogramTableModel(histo);
         statusBar = new StatusBar();

         table = new JTable(dataModel, new ObjectHistogramColummModel());
         table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
         table.addMouseListener(new MouseAdapter() {
                 public void mouseClicked(MouseEvent evt) {
                     if (evt.getClickCount() == 2) {
                         fireShowObjectsOfType();
                     }
                 }
             });

         JTableHeader header = table.getTableHeader();
         header.setDefaultRenderer(new SortHeaderCellRenderer(header, dataModel));
         header.addMouseListener(new SortHeaderMouseAdapter(table, dataModel));

         setLayout(new BorderLayout());

         toolbar = new ObjectHistogramToolBar(statusBar);
         add(toolbar, BorderLayout.NORTH);
         add(new JScrollPane(table), BorderLayout.CENTER);
         add(statusBar, BorderLayout.SOUTH);

         registerActions();
     }

     private class ObjectHistogramToolBar extends CommonToolBar {

         private JTextField searchTF;

         public ObjectHistogramToolBar(StatusBar status) {
             super(HSDBActionManager.getInstance(), status);
         }

         protected void addComponents() {
             searchTF = new JTextField();
             searchTF.setToolTipText("Find in Class Description");

             // Pressing Enter on the text field will search
             InputMap im = searchTF.getInputMap();
             im.put(KeyStroke.getKeyStroke("ENTER"), "enterPressed");
             ActionMap am = searchTF.getActionMap();
             am.put("enterPressed", manager.getAction(FindAction.VALUE_COMMAND));

             add(searchTF);
             addButton(manager.getAction(FindAction.VALUE_COMMAND));
             addButton(manager.getAction(ShowAction.VALUE_COMMAND));
         }

         public String getFindText() {
             return searchTF.getText();
         }
     }

     private class ObjectHistogramColummModel extends DefaultTableColumnModel {
         private final String LABEL_SIZE = "Size";
         private final String LABEL_COUNT = "Count";
         private final String LABEL_DESC = "Class Description";


         public ObjectHistogramColummModel() {
             // Should actually get the line metrics for
             int PREF_WIDTH = 80;
             int MAX_WIDTH = 100;
             int HUGE_WIDTH = 140;

             LongCellRenderer lcRender = new LongCellRenderer();

             TableColumn column;

             // Size
             column = new TableColumn(0, PREF_WIDTH);
             column.setHeaderValue(LABEL_SIZE);
             column.setMaxWidth(MAX_WIDTH);
             column.setResizable(false);
             column.setCellRenderer(lcRender);
             addColumn(column);

             // Count
             column = new TableColumn(1, PREF_WIDTH);
             column.setHeaderValue(LABEL_COUNT);
             column.setMaxWidth(MAX_WIDTH);
             column.setResizable(false);
             column.setCellRenderer(lcRender);
             addColumn(column);

             // Description
             column = new TableColumn(2, HUGE_WIDTH);
             column.setHeaderValue(LABEL_DESC);
             addColumn(column);
         }
     }


     /**
      * A table model which encapsulates the ObjectHistogram
      */
     private class ObjectHistogramTableModel extends SortableTableModel {
         private String[] columnNames = { "Size", "Count", "Class Description" };
         private Class[] columnClasses = { Long.class, Long.class, String.class };

         public ObjectHistogramTableModel(ObjectHistogram histo) {
             // Set the rows
             elements = histo.getElements();
             setComparator(new ObjectHistogramComparator(this));

         }

         public int getColumnCount() {
             return columnNames.length;
         }

         public int getRowCount() {
             return elements.size();
         }

         public String getColumnName(int col) {
             return columnNames[col];
         }

         public Class getColumnClass(int col) {
             return columnClasses[col];
         }

         public Object getValueAt(int row, int col) {
             return getValueForColumn(getElement(row), col);
         }

         public Object getValueForColumn(Object obj, int col) {
             ObjectHistogramElement el = (ObjectHistogramElement)obj;
             switch (col) {
             case 0:
                 return new Long(el.getSize());
             case 1:
                 return new Long(el.getCount());
             case 2:
                 return el.getDescription();
             default:
                 throw new RuntimeException("Index (" + col + ") out of bounds");
             }
         }

         public ObjectHistogramElement getElement(int index) {
             return (ObjectHistogramElement) elements.get(index);
         }

         private class ObjectHistogramComparator extends TableModelComparator {

             public ObjectHistogramComparator(ObjectHistogramTableModel model) {
                 super(model);
             }

             /**
              * Returns the value for the comparing object for the
              * column.
              *
              * @param obj Object that was passed for Comparator
              * @param column the column to retrieve
              */
             public Object getValueForColumn(Object obj, int column) {
                 ObjectHistogramTableModel omodel = (ObjectHistogramTableModel)model;
                 return omodel.getValueForColumn(obj, column);
             }
         }

     }


     //
     // ActionListener implementation and actions support
     //

     public void actionPerformed(ActionEvent evt) {
         String command = evt.getActionCommand();

         if (command.equals(ShowAction.VALUE_COMMAND)) {
             fireShowObjectsOfType();
         } else if (command.equals(FindAction.VALUE_COMMAND)) {
             findObject();
         }

     }

     protected void registerActions() {
         registerAction(FindAction.VALUE_COMMAND);
         registerAction(ShowAction.VALUE_COMMAND);
     }

     private void registerAction(String actionName) {
         ActionManager manager = ActionManager.getInstance();
         DelegateAction action = manager.getDelegateAction(actionName);
         action.addActionListener(this);
     }

     public interface Listener {
         public void showObjectsOfType(Klass type);
     }

     public void addPanelListener(Listener listener) {
         if (listeners == null) {
             listeners = new ArrayList();
         }
         listeners.add(listener);
     }

     public void removePanelListener(Listener listener) {
         if (listeners != null) {
             listeners.remove(listener);
         }
     }

     //--------------------------------------------------------------------------------
     // Internals only below this point
     //

     /**
      * Find and select the row that contains the text in the find field starting
      * from the current selected row.
      *
      * Uses a linear search from the current row. Could be optimized withing the
      * model and internal representation.
      */
     private void findObject() {
         String findText = toolbar.getFindText();

         if (findText == null || findText.equals("")) {
             return;
         }

         TableModel model = table.getModel();

         int row = table.getSelectedRow();
         if (row == model.getRowCount()) {
             row = 0;
         } else {
             // Start at the row after the selected row.
             row++;
         }

         String value;
         for (int i = row; i < model.getRowCount(); i++) {
             value = (String)model.getValueAt(i, 2);
             if (value != null && value.startsWith(findText)) {
                 table.setRowSelectionInterval(i, i);
                 Rectangle cellBounds = table.getCellRect(i, 0, true);
                 table.scrollRectToVisible(cellBounds);
                 return;
             }
         }

         // Wrap the table to search in the top rows.
         for (int i = 0; i < row; i++) {
             value = (String)model.getValueAt(i, 2);
             if (value != null && value.startsWith(findText)) {
                 table.setRowSelectionInterval(i, i);
                 Rectangle cellBounds = table.getCellRect(i, 0, true);
                 table.scrollRectToVisible(cellBounds);
                 return;
             }
         }
     }

     private void fireShowObjectsOfType() {
         int i = table.getSelectedRow();
         if (i < 0) {
             return;
         }

         ObjectHistogramElement el = dataModel.getElement(i);

         for (Iterator iter = listeners.iterator(); iter.hasNext(); ) {
             Listener listener = (Listener) iter.next();
             listener.showObjectsOfType(el.getKlass());
         }
     }

     public static void main(String[] args) {

     }
 }
	/*
	* Copyright (c) 2000, 2002, 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 sun.jvm.hotspot.ui;

	import java.util.*;

	import java.awt.*;
	import java.awt.event.*;

	import javax.swing.*;
	import javax.swing.table.*;

	import sun.jvm.hotspot.oops.ObjectHistogram;
	import sun.jvm.hotspot.oops.ObjectHistogramElement;
	import sun.jvm.hotspot.oops.Klass;

	import sun.jvm.hotspot.ui.table.LongCellRenderer;
	import sun.jvm.hotspot.ui.table.SortableTableModel;
	import sun.jvm.hotspot.ui.table.SortHeaderCellRenderer;
	import sun.jvm.hotspot.ui.table.SortHeaderMouseAdapter;
	import sun.jvm.hotspot.ui.table.TableModelComparator;

	import sun.jvm.hotspot.ui.action.*;

	import com.sun.java.swing.ui.StatusBar;
	import com.sun.java.swing.ui.CommonToolBar;

	import com.sun.java.swing.action.ActionManager;
	import com.sun.java.swing.action.DelegateAction;

	/**
	* Displays the results of an ObjectHistogram run in a JTable, with a
	* button to display all objects of that type
	*/
	public class ObjectHistogramPanel extends JPanel implements ActionListener {
	private ObjectHistogramTableModel dataModel;
	private ObjectHistogramToolBar toolbar;
	private StatusBar statusBar;
	private JTable table;
	private java.util.List listeners;

	public ObjectHistogramPanel(ObjectHistogram histo) {
	dataModel = new ObjectHistogramTableModel(histo);
	statusBar = new StatusBar();

	table = new JTable(dataModel, new ObjectHistogramColummModel());
	table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
	table.addMouseListener(new MouseAdapter() {
	public void mouseClicked(MouseEvent evt) {
	if (evt.getClickCount() == 2) {
	fireShowObjectsOfType();
	}
	}
	});

	JTableHeader header = table.getTableHeader();
	header.setDefaultRenderer(new SortHeaderCellRenderer(header, dataModel));
	header.addMouseListener(new SortHeaderMouseAdapter(table, dataModel));

	setLayout(new BorderLayout());

	toolbar = new ObjectHistogramToolBar(statusBar);
	add(toolbar, BorderLayout.NORTH);
	add(new JScrollPane(table), BorderLayout.CENTER);
	add(statusBar, BorderLayout.SOUTH);

	registerActions();
	}

	private class ObjectHistogramToolBar extends CommonToolBar {

	private JTextField searchTF;

	public ObjectHistogramToolBar(StatusBar status) {
	super(HSDBActionManager.getInstance(), status);
	}

	protected void addComponents() {
	searchTF = new JTextField();
	searchTF.setToolTipText("Find in Class Description");

	// Pressing Enter on the text field will search
	InputMap im = searchTF.getInputMap();
	im.put(KeyStroke.getKeyStroke("ENTER"), "enterPressed");
	ActionMap am = searchTF.getActionMap();
	am.put("enterPressed", manager.getAction(FindAction.VALUE_COMMAND));

	add(searchTF);
	addButton(manager.getAction(FindAction.VALUE_COMMAND));
	addButton(manager.getAction(ShowAction.VALUE_COMMAND));
	}

	public String getFindText() {
	return searchTF.getText();
	}
	}

	private class ObjectHistogramColummModel extends DefaultTableColumnModel {
	private final String LABEL_SIZE = "Size";
	private final String LABEL_COUNT = "Count";
	private final String LABEL_DESC = "Class Description";


	public ObjectHistogramColummModel() {
	// Should actually get the line metrics for
	int PREF_WIDTH = 80;
	int MAX_WIDTH = 100;
	int HUGE_WIDTH = 140;

	LongCellRenderer lcRender = new LongCellRenderer();

	TableColumn column;

	// Size
	column = new TableColumn(0, PREF_WIDTH);
	column.setHeaderValue(LABEL_SIZE);
	column.setMaxWidth(MAX_WIDTH);
	column.setResizable(false);
	column.setCellRenderer(lcRender);
	addColumn(column);

	// Count
	column = new TableColumn(1, PREF_WIDTH);
	column.setHeaderValue(LABEL_COUNT);
	column.setMaxWidth(MAX_WIDTH);
	column.setResizable(false);
	column.setCellRenderer(lcRender);
	addColumn(column);

	// Description
	column = new TableColumn(2, HUGE_WIDTH);
	column.setHeaderValue(LABEL_DESC);
	addColumn(column);
	}
	}


	/**
	* A table model which encapsulates the ObjectHistogram
	*/
	private class ObjectHistogramTableModel extends SortableTableModel {
	private String[] columnNames = { "Size", "Count", "Class Description" };
	private Class[] columnClasses = { Long.class, Long.class, String.class };

	public ObjectHistogramTableModel(ObjectHistogram histo) {
	// Set the rows
	elements = histo.getElements();
	setComparator(new ObjectHistogramComparator(this));

	}

	public int getColumnCount() {
	return columnNames.length;
	}

	public int getRowCount() {
	return elements.size();
	}

	public String getColumnName(int col) {
	return columnNames[col];
	}

	public Class getColumnClass(int col) {
	return columnClasses[col];
	}

	public Object getValueAt(int row, int col) {
	return getValueForColumn(getElement(row), col);
	}

	public Object getValueForColumn(Object obj, int col) {
	ObjectHistogramElement el = (ObjectHistogramElement)obj;
	switch (col) {
	case 0:
	return new Long(el.getSize());
	case 1:
	return new Long(el.getCount());
	case 2:
	return el.getDescription();
	default:
	throw new RuntimeException("Index (" + col + ") out of bounds");
	}
	}

	public ObjectHistogramElement getElement(int index) {
	return (ObjectHistogramElement) elements.get(index);
	}

	private class ObjectHistogramComparator extends TableModelComparator {

	public ObjectHistogramComparator(ObjectHistogramTableModel model) {
	super(model);
	}

	/**
	* Returns the value for the comparing object for the
	* column.
	*
	* @param obj Object that was passed for Comparator
	* @param column the column to retrieve
	*/
	public Object getValueForColumn(Object obj, int column) {
	ObjectHistogramTableModel omodel = (ObjectHistogramTableModel)model;
	return omodel.getValueForColumn(obj, column);
	}
	}

	}


	//
	// ActionListener implementation and actions support
	//

	public void actionPerformed(ActionEvent evt) {
	String command = evt.getActionCommand();

	if (command.equals(ShowAction.VALUE_COMMAND)) {
	fireShowObjectsOfType();
	} else if (command.equals(FindAction.VALUE_COMMAND)) {
	findObject();
	}

	}

	protected void registerActions() {
	registerAction(FindAction.VALUE_COMMAND);
	registerAction(ShowAction.VALUE_COMMAND);
	}

	private void registerAction(String actionName) {
	ActionManager manager = ActionManager.getInstance();
	DelegateAction action = manager.getDelegateAction(actionName);
	action.addActionListener(this);
	}

	public interface Listener {
	public void showObjectsOfType(Klass type);
	}

	public void addPanelListener(Listener listener) {
	if (listeners == null) {
	listeners = new ArrayList();
	}
	listeners.add(listener);
	}

	public void removePanelListener(Listener listener) {
	if (listeners != null) {
	listeners.remove(listener);
	}
	}

	//--------------------------------------------------------------------------------
	// Internals only below this point
	//

	/**
	* Find and select the row that contains the text in the find field starting
	* from the current selected row.
	*
	* Uses a linear search from the current row. Could be optimized withing the
	* model and internal representation.
	*/
	private void findObject() {
	String findText = toolbar.getFindText();

	if (findText == null \|\| findText.equals("")) {
	return;
	}

	TableModel model = table.getModel();

	int row = table.getSelectedRow();
	if (row == model.getRowCount()) {
	row = 0;
	} else {
	// Start at the row after the selected row.
	row++;
	}

	String value;
	for (int i = row; i < model.getRowCount(); i++) {
	value = (String)model.getValueAt(i, 2);
	if (value != null && value.startsWith(findText)) {
	table.setRowSelectionInterval(i, i);
	Rectangle cellBounds = table.getCellRect(i, 0, true);
	table.scrollRectToVisible(cellBounds);
	return;
	}
	}

	// Wrap the table to search in the top rows.
	for (int i = 0; i < row; i++) {
	value = (String)model.getValueAt(i, 2);
	if (value != null && value.startsWith(findText)) {
	table.setRowSelectionInterval(i, i);
	Rectangle cellBounds = table.getCellRect(i, 0, true);
	table.scrollRectToVisible(cellBounds);
	return;
	}
	}
	}

	private void fireShowObjectsOfType() {
	int i = table.getSelectedRow();
	if (i < 0) {
	return;
	}

	ObjectHistogramElement el = dataModel.getElement(i);

	for (Iterator iter = listeners.iterator(); iter.hasNext(); ) {
	Listener listener = (Listener) iter.next();
	listener.showObjectsOfType(el.getKlass());
	}
	}

	public static void main(String[] args) {

	}
	}