/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.pi.function;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.ListCellRenderer;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.eclipse.swt.graphics.RGB;

import com.nokia.carbide.cpp.internal.pi.model.GUITooltips;

import com.nokia.carbide.cpp.pi.call.GfcFunctionItem;

import com.nokia.carbide.cpp.pi.call.GfcTrace;

import com.nokia.carbide.cpp.pi.util.AWTColorPalette;

public class GfcTraceVisualiser extends JPanel

{

  private static final long serialVersionUID = 1L;

  private GfcTrace myTrace;

  private GfcFunctionItem[] sortedData;

  private JList leftList;

  private JList rightList;

  private JList centerList;

  private JPanel selectionPanel;

  private JButton sortByTotalButton;

  private JButton sortByCallerButton;

  private JButton sortByRecursiveButton;

  private JButton goBackButton;

  private int lastIndex = -1;

  private JPanel callerPanel;

  private JPanel calleePanel;

  private JPanel centerPanel;

  public GfcTraceVisualiser(GfcTrace trace)

  {

    this.myTrace = trace;

    this.selectionPanel = new JPanel(new GridLayout(6,1));

    sortByTotalButton = new JButton(Messages.getString("GfcTraceVisualiser.totalLoad")); //$NON-NLS-1$

    sortByCallerButton = new JButton(Messages.getString("GfcTraceVisualiser.callerLoad")); //$NON-NLS-1$

    sortByRecursiveButton = new JButton(Messages.getString("GfcTraceVisualiser.recursiveLoad")); //$NON-NLS-1$

    goBackButton = new JButton(Messages.getString("GfcTraceVisualiser.previousSelection")); //$NON-NLS-1$

    sortByTotalButton.setToolTipText(GUITooltips.getTotalLoadButton());

    sortByCallerButton.setToolTipText(GUITooltips.getCallerLoadButton());

    sortByRecursiveButton.setToolTipText(GUITooltips.getRecursiveLoadButton());

    goBackButton.setToolTipText(GUITooltips.getPreviousSelectionButton());

    ActionListener al = new ActionListener()

    {

      public void actionPerformed(ActionEvent ae)

      {

        if (ae.getSource() == sortByCallerButton)

        {

          GfcFunctionItem[] sortedData = myTrace.getEntriesSorted(GfcTrace.SORT_BY_CALLED_LOAD);

          centerList.setListData(sortedData);

        }

        else if (ae.getSource() == sortByTotalButton)

        {

          GfcFunctionItem[] sortedData = myTrace.getEntriesSorted(GfcTrace.SORT_BY_TOTAL_LOAD);

          centerList.setListData(sortedData);

        }

        else if (ae.getSource() == sortByRecursiveButton)

        {

          GfcFunctionItem[] sortedData = myTrace.getEntriesSorted(GfcTrace.SORT_BY_RECURSIVE_LOAD);

          centerList.setListData(sortedData);

        }

        else if (ae.getSource() == goBackButton)

        {

          if (lastIndex != -1)

          {

            int temp = centerList.getSelectedIndex();

            centerList.setSelectedIndex(lastIndex);

            if (lastIndex>5 && lastIndex < centerList.getModel().getSize()-5)

            {

              centerList.ensureIndexIsVisible(lastIndex-4);

              centerList.ensureIndexIsVisible(lastIndex+4);

              centerList.ensureIndexIsVisible(lastIndex);

            }

            else

            {

              centerList.ensureIndexIsVisible(lastIndex);

            }

            lastIndex = temp;

          }

        }

      }

    };

    sortByTotalButton.addActionListener(al);

    sortByCallerButton.addActionListener(al);

    sortByRecursiveButton.addActionListener(al);

    goBackButton.addActionListener(al);

    this.selectionPanel.add(new JLabel(Messages.getString("GfcTraceVisualiser.sortBy"))); //$NON-NLS-1$

    this.selectionPanel.add(sortByTotalButton);

    this.selectionPanel.add(sortByCallerButton);

    this.selectionPanel.add(sortByRecursiveButton);

    this.selectionPanel.add(new JLabel(Messages.getString("GfcTraceVisualiser.goBackTo"))); //$NON-NLS-1$

    this.selectionPanel.add(goBackButton);

    this.leftList = new JList();

    this.leftList.setCellRenderer(new GfcListCellRenderer(myTrace));

    this.leftList.addListSelectionListener(new ListSelectionListener()

    {

      public void valueChanged(ListSelectionEvent lse)

      {

        Object[] element = (Object[]) leftList.getSelectedValue();

        if (element != null)

        {

          setLeftListDataToFunctionsThisFunctionCalls((GfcFunctionItem)element[0]);

          setRightListDataToFunctionsThisFunctionCalls((GfcFunctionItem)element[0]);

          lastIndex = centerList.getSelectedIndex();

          for (int i=0;i<centerList.getModel().getSize();i++)

          {

            if (centerList.getModel().getElementAt(i).equals(element[0]))

            {

              centerList.setSelectedIndex(i);

              if (i>5 && i < centerList.getModel().getSize()-5)

              {

                centerList.ensureIndexIsVisible(i-4);

                centerList.ensureIndexIsVisible(i+4);

                centerList.ensureIndexIsVisible(i);

              }

              else

              {

                centerList.ensureIndexIsVisible(i);

              }

              break;

            }

          }

        }

      }

    });

    this.centerList = new JList();

    this.centerList.setCellRenderer(new GfcListCellRenderer(myTrace));

    this.centerList.addListSelectionListener(new ListSelectionListener()

    {

      public void valueChanged(ListSelectionEvent lse)

      {

        GfcFunctionItem element = (GfcFunctionItem)centerList.getSelectedValue();

        if (element != null)

        {

          setLeftListDataToFunctionsThisFunctionCalls((GfcFunctionItem)element);

          setRightListDataToFunctionsThisFunctionCalls((GfcFunctionItem)element);

        }

        else

        {

          leftList.setListData(new Object[]{});

          rightList.setListData(new Object[]{});

        }

      }

    });

    this.rightList = new JList();

    this.rightList.setCellRenderer(new GfcListCellRenderer(myTrace));

    this.rightList.addListSelectionListener(new ListSelectionListener()

    {

      public void valueChanged(ListSelectionEvent lse)

      {

        Object[] element = (Object[]) rightList.getSelectedValue();

        if (element != null)

        {

          setLeftListDataToFunctionsThisFunctionCalls((GfcFunctionItem)element[0]);

          setRightListDataToFunctionsThisFunctionCalls((GfcFunctionItem)element[0]);

          lastIndex = centerList.getSelectedIndex();

          for (int i=0;i<centerList.getModel().getSize();i++)

          {

            if (centerList.getModel().getElementAt(i).equals(element[0]))

            {

              centerList.setSelectedIndex(i);

              if (i>5 && i < centerList.getModel().getSize()-5)

              {

                centerList.ensureIndexIsVisible(i-4);

                centerList.ensureIndexIsVisible(i+4);

                centerList.ensureIndexIsVisible(i);

              }

              else

              {

                centerList.ensureIndexIsVisible(i);

              }

              break;

            }

          }

        }

      }

    });

    this.setLayout(new GridLayout(3,1));

    // create and add the top panel

    callerPanel = new JPanel();

    JPanel labeledPanel = new JPanel();

    labeledPanel.setLayout(new BorderLayout());

    callerPanel.setLayout(new BorderLayout());

    //Component c = new BasicArrowButton(BasicArrowButton.NORTH);

    //c.set

    labeledPanel.add(new JLabel(Messages.getString("GfcTraceVisualiser.calledSelectedFunction")),BorderLayout.CENTER); //$NON-NLS-1$

    labeledPanel.setBackground(

    	AWTColorPalette.getColor(new RGB(220, 220, 220)));

    //labeledPanel.add(c,BorderLayout.EAST);

    //c = new BasicArrowButton(BasicArrowButton.NORTH);

    //labeledPanel.add(c,BorderLayout.WEST);

    //labeledPanel.setBorder(BorderFactory.createEtchedBorder());

    //callerPanel.add(labeledPanel,BorderLayout.SOUTH);

    callerPanel.add(labeledPanel,BorderLayout.NORTH);

    callerPanel.add(new JScrollPane(this.leftList));

    this.add(callerPanel);

    // create and add the center panel

    centerPanel = new JPanel();

    centerPanel.setLayout(new BorderLayout());

    centerPanel.add(new JScrollPane(this.centerList),BorderLayout.CENTER);

    centerPanel.add(this.selectionPanel,BorderLayout.WEST);

    this.add(centerPanel);

    // create and add the lower panel

    calleePanel = new JPanel();

    labeledPanel = new JPanel();

    labeledPanel.setLayout(new BorderLayout());

    calleePanel.setLayout(new BorderLayout());

    //c = new BasicArrowButton(BasicArrowButton.SOUTH);

    labeledPanel.add(new JLabel(Messages.getString("GfcTraceVisualiser.calledBySelectedFunction")),BorderLayout.CENTER); //$NON-NLS-1$

    labeledPanel.setBackground(

  			AWTColorPalette.getColor(new RGB(220, 220, 220)));

    //labeledPanel.add(c,BorderLayout.EAST);

    //c = new BasicArrowButton(BasicArrowButton.SOUTH);

    //labeledPanel.add(c,BorderLayout.WEST);

    //labeledPanel.setBorder(BorderFactory.createEtchedBorder());

    calleePanel.add(labeledPanel,BorderLayout.NORTH);

    calleePanel.add(new JScrollPane(this.rightList));

    this.add(calleePanel);

  }

  public JPanel getCalleeList()

  {

  	return this.calleePanel;

  }

  public JPanel getCallerList()

  {

  	return this.callerPanel;

  }

  public JPanel getCenterPanel()

  {

  	return this.centerPanel;

  }

  public void selectFunction(String functionName)

  {

  	if (this.sortedData == null) return;

  	for (int i = 0; i < this.sortedData.length; i++)

  	{

  		GfcFunctionItem gfi = this.sortedData[i];

  		if (gfi.name.equals(functionName))

  		{

  			this.centerList.setSelectedValue(gfi,true);

  			return;

  		}  		 		

  	}

  }

  public JPanel getSelectionPanel()

  {

  	return this.selectionPanel;

  }

  public void setStartAndEnd(int start,int end,boolean symPrimary)

  {

    myTrace.parseEntries(start,end);

    sortedData = myTrace.getEntriesSorted(GfcTrace.SORT_BY_TOTAL_LOAD);

    this.centerList.setListData(sortedData);

  }

  public void setLeftListDataToFunctionsThisFunctionCalls(GfcFunctionItem function)

  {

    GfcFunctionItem[] list = function.getCallerList();

    Double[] perc = function.getCallerPercentages();

    Object[] listData = new Object[list.length];

    for (int i = 0;i<list.length;i++)

    {

      Object[] element = new Object[2];

      element[0] = list[i];

      element[1] = perc[i];

      listData[i] = element;

    }

    this.leftList.setListData(listData);

  }

  public void setRightListDataToFunctionsThisFunctionCalls(GfcFunctionItem function)

  {

    GfcFunctionItem[] list = function.getCalleeList();

    Double[] perc = function.getCalleePercentages();

    Object[] listData = new Object[list.length];

    for (int i = 0;i<list.length;i++)

    {

      Object[] element = new Object[2];

      element[0] = list[i];

      element[1] = perc[i];

      listData[i] = element;

    }

    this.rightList.setListData(listData);

  }

  private static class GfcListCellRenderer extends JLabel implements ListCellRenderer

  {

    private GfcTrace myTrace;

	public Color ittColor = Color.ORANGE.darker();

	public Color gppColor = Color.BLUE.darker();

    public GfcListCellRenderer(GfcTrace trace)

    {

      this.setOpaque(true);

      myTrace = trace;

    }

    public Component getListCellRendererComponent(

            JList list,

            Object value,            // value to display

            int index,               // cell index

            boolean isSelected,      // is the cell selected

            boolean cellHasFocus)    // the list and the cell have the focus

    {

      if (value instanceof GfcFunctionItem)

      {

        GfcFunctionItem item = (GfcFunctionItem)value;

        double percent = myTrace.getAbsoluteCallerPercentageFor(item);

        String perc2 = (((double)Math.round(100*percent)) / 100)+Messages.getString("GfcTraceVisualiser.percent"); //$NON-NLS-1$

        percent = myTrace.getAbsoluteTraditionalPercentageFor(item);

        String perc3 = (((double)Math.round(100*percent)) / 100)+Messages.getString("GfcTraceVisualiser.percent"); //$NON-NLS-1$

        percent = myTrace.getRecursiveCallerPrecentageFor(item);

        String perc4 = (((double)Math.round(100*percent)) / 100)+Messages.getString("GfcTraceVisualiser.percent"); //$NON-NLS-1$

        if (isSelected)

        {

          String s = Messages.getString("GfcTraceVisualiser.functionString1")+perc3+Messages.getString("GfcTraceVisualiser.functionString2")+perc2+Messages.getString("GfcTraceVisualiser.functionString3")+perc4+Messages.getString("GfcTraceVisualiser.functionString4")+ //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$

                     Messages.getString("GfcTraceVisualiser.functionString5")+Integer.toHexString((int)item.address)+Messages.getString("GfcTraceVisualiser.functionString6")+item.name; //$NON-NLS-1$ //$NON-NLS-2$

          //s = item.getAccumulatedLoad() + s;

          setText(s);

        }

        else

        {

          String s = Messages.getString("GfcTraceVisualiser.functionString1")+perc3+Messages.getString("GfcTraceVisualiser.functionString2")+perc2+Messages.getString("GfcTraceVisualiser.functionString3")+perc4+Messages.getString("GfcTraceVisualiser.functionString4")+ //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$

                     Messages.getString("GfcTraceVisualiser.functionString5")+Integer.toHexString((int)item.address)+Messages.getString("GfcTraceVisualiser.functionString6")+item.name; //$NON-NLS-1$ //$NON-NLS-2$

          //s = item.getAccumulatedLoad() + s;

          setText(s);

        }

        if (isSelected)

        {

          setBackground(list.getSelectionBackground());

        }

        else

        {

          setBackground(list.getBackground());

        }

        if (item.isSymbolParsed())

        	setForeground(this.gppColor);

        else

        	setForeground(this.ittColor);	

      }

      else if (value instanceof Object[])

      {

        Object[] element = (Object[])value;

        GfcFunctionItem item = (GfcFunctionItem)element[0];

        double percent = ((Double)element[1]).doubleValue();

        String perc1 = (((double)Math.round(100*percent)) / 100)+Messages.getString("GfcTraceVisualiser.percent"); //$NON-NLS-1$

        // set color according to the relative load

        setBackground(new Color((int)(155+(percent)),155,(int)(255-(percent))));

        if (item.isSymbolParsed())

        	setForeground(this.gppColor);

        else

        	setForeground(this.ittColor);

        percent = myTrace.getAbsoluteCallerPercentageFor(item);

        String perc2 = (((double)Math.round(100*percent)) / 100)+Messages.getString("GfcTraceVisualiser.percent"); //$NON-NLS-1$

        percent = myTrace.getAbsoluteTraditionalPercentageFor(item);

        String perc3 = (((double)Math.round(100*percent)) / 100)+Messages.getString("GfcTraceVisualiser.percent"); //$NON-NLS-1$

        if (isSelected)

        {

          String s = Messages.getString("GfcTraceVisualiser.addressString1")+Integer.toHexString((int)item.address)+ //$NON-NLS-1$

                     Messages.getString("GfcTraceVisualiser.addressString2")+perc3+Messages.getString("GfcTraceVisualiser.addressString3")+perc2+Messages.getString("GfcTraceVisualiser.addressString4")+perc1+Messages.getString("GfcTraceVisualiser.addressString5")+item.name; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$

          setText(s);

        }

        else

        {

          String s = Messages.getString("GfcTraceVisualiser.addressString2a")+perc3+Messages.getString("GfcTraceVisualiser.addressString3")+perc2+Messages.getString("GfcTraceVisualiser.addressString4")+perc1+Messages.getString("GfcTraceVisualiser.addressString5")+item.name; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$

          setText(s);

        }

      }

      else

      {

        setText(Messages.getString("GfcTraceVisualiser.listIsNotWorking")+value.getClass()); //$NON-NLS-1$

      }

      setEnabled(list.isEnabled());

      setFont(list.getFont());

      return this;

    }

  }

}