import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.util.*;

class FindFrame extends JDialog

{

 JPanel buttonPanel = new JPanel();

 JPanel mainPanel = new JPanel();

 JPanel replacePanel = new JPanel();

 JPanel findPanel = new JPanel();

 BorderLayout borderLayout1 = new BorderLayout();

 JLabel jLabel1 = new JLabel();

 JComboBox findCombo = new JComboBox();

 JLabel jLabel2 = new JLabel();

 JComboBox replaceCombo = new JComboBox();

 GridBagLayout gridBagLayout1 = new GridBagLayout();

 GridBagLayout gridBagLayout2 = new GridBagLayout();

 JButton nextButton = new JButton();

 JButton previousButton = new JButton();

 JButton replaceAllButton = new JButton();

 JButton closeButton = new JButton();

 JPanel jPanel1 = new JPanel();

 JCheckBox startCheckbox = new JCheckBox();

 //comment to change UI

 DBTable dbTable;

 //vector which contains the column number which should be searched

 Vector columnVector;

 Point lastLoc = new Point(0,1);

 boolean find = true;

 FindFrame(Frame f,DBTable dbTable)

 {

 super(f,false);

 this.dbTable = dbTable;

 try {

 jbInit();

 }

 catch (Exception e) {

 e.printStackTrace();

 }

 }

 //end uncomment

 FindFrame()

 {

 try {

 jbInit();

 }

 catch (Exception e) {

 e.printStackTrace();

 }

 }

 private void jbInit() throws Exception

 {

 dbTable.setFnt(this);

 mainPanel.setLayout(borderLayout1);

 findPanel.setLayout(gridBagLayout1);

 replacePanel.setLayout(gridBagLayout2);

 jLabel1.setText(dbTable.getString("TextToFind"));

 jLabel1.setLabelFor(findCombo);

 dbTable.setFnt(jLabel1);

 jLabel2.setLabelFor(replaceCombo);

 dbTable.setFnt(jLabel2);

 nextButton.setText(dbTable.getString("FindNext"));

 getRootPane().setDefaultButton(nextButton);

 dbTable.setFnt(nextButton);

 previousButton.setText(dbTable.getString("FindPrevious"));

 dbTable.setFnt(previousButton);

 replaceAllButton.setText(dbTable.getString("ReplaceAll"));

 dbTable.setFnt(replaceAllButton);

 closeButton.setText(dbTable.getString("Close"));

 dbTable.setFnt(closeButton);

 startCheckbox.setText(dbTable.getString("FromSelectedRow"));

 dbTable.setFnt(startCheckbox);

 jLabel2.setText(dbTable.getString("ReplaceWith"));

 findCombo.setEditable(true);

 replaceCombo.setEditable(true);

 this.getContentPane().add(buttonPanel, BorderLayout.SOUTH);

 ((FlowLayout)buttonPanel.getLayout()).setAlignment(FlowLayout.CENTER);

 ((FlowLayout)buttonPanel.getLayout()).setVgap(3);

 buttonPanel.add(nextButton, null);

 buttonPanel.add(previousButton, null);

 buttonPanel.add(replaceAllButton, null);

 buttonPanel.add(closeButton, null);

 this.getContentPane().add(mainPanel, BorderLayout.CENTER);

 mainPanel.add(findPanel, BorderLayout.NORTH);

 findPanel.add(jLabel1, new SimpleGridBagConstraints(0, 0, 1, 1, 0.0, 0.0

 ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(7, 20, 0, 0), 0, 9));

 findPanel.add(findCombo, new SimpleGridBagConstraints(1, 0, 1, 1, 1.0, 1.0

 ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(7, 5, 0, 0), 0, 0));

 mainPanel.add(replacePanel, BorderLayout.CENTER);

 replacePanel.add(jLabel2, new SimpleGridBagConstraints(0, 0, 1, 1, 0.0, 0.0

 ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(0, 5, 0, 0), 0, 9));

 replacePanel.add(replaceCombo, new SimpleGridBagConstraints(1, 0, 1, 1, 1.0, 1.0

 ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(7, 5, 0, 0), 0, 0));

 mainPanel.add(jPanel1, BorderLayout.SOUTH);

 ((FlowLayout)jPanel1.getLayout()).setAlignment(FlowLayout.CENTER);

 ((FlowLayout)jPanel1.getLayout()).setVgap(3);

 jPanel1.add(startCheckbox, null);

 FindAction findAction = new FindAction();

 nextButton.addActionListener(findAction);

 previousButton.addActionListener(findAction);

 replaceAllButton.addActionListener(findAction);

 closeButton.addActionListener(findAction);

 startCheckbox.addActionListener(findAction);

 findCombo.addActionListener(findAction);

 ChangeListener cl = new ChangeListener();

 findCombo.addItemListener(cl);

 replaceCombo.addItemListener(cl);

 }

 void resetFont(Font fnt)

 {

 setFont(fnt);

 jLabel1.setFont(fnt);

 nextButton.setFont(fnt);

 previousButton.setFont(fnt);

 replaceAllButton.setFont(fnt);

 closeButton.setFont(fnt);

 startCheckbox.setFont(fnt);

 jLabel2.setFont(fnt);

 }

 public void setFind()

 {

 find = true;

 replacePanel.setVisible(false);

 nextButton.setText(dbTable.getString("FindNext"));

 previousButton.setText(dbTable.getString("FindPrevious"));

 replaceAllButton.setVisible(false);

 setSize(440,150);

 }

 public void setReplace()

 {

 find = false;

 replacePanel.setVisible(true);

 nextButton.setText(dbTable.getString("ReplaceNext"));

 previousButton.setText(dbTable.getString("ReplacePrevious"));

 replaceAllButton.setVisible(true);

 setSize(440,190);

 }

 //when row selection is changed in main dbtable

 //it can be notified to find frame using this method

 public void setRow(int row)

 {

 if( startCheckbox.isSelected())

 {

 if( row >= 0 )

 lastLoc = new Point(row, -1);

 else

 lastLoc = new Point(0, -1);

 }

 }

 class ChangeListener implements ItemListener{

 public void itemStateChanged(ItemEvent e)

 {

 JComboBox cb = (JComboBox)e.getSource();

 String text =(String)cb.getSelectedItem();

 if(text == null || "".equals(text))

 return;

 boolean exists= false;

 for(int i=0; i< cb.getItemCount(); i++)

 {

 if( text.equals(cb.getItemAt(i)))

 {

 exists=true;

 break;

 }

 }

 if(!exists)

 cb.addItem(text);

 }

 }

 void findNext()

 {

 //if user has not entered the find text show error dialog

 if( ! validateInput())

 return;

 String findText = (String)findCombo.getSelectedItem();

 //if the column model is changed, recreate the column Vector

 refreshColumnVector(dbTable.getTable());

 //move the search pointer to next row/column

 if( dbTable.lastLoc == -1 )

 {

 if( lastLoc.y == columnVector.size()-1)

 {

 lastLoc.x = lastLoc.x +1;

 lastLoc.y = 0;

 }

 else

 lastLoc.y = lastLoc.y + 1;

 }

 lastLoc = dbTable.find(lastLoc.x, lastLoc.y,findText,columnVector, true);

 }

 class FindAction implements ActionListener{

 public void actionPerformed(ActionEvent e)

 {

 JTable jt = dbTable.getTable();

 if(e.getSource() == closeButton)

 {

 setVisible(false);

 return;

 }

 else if( e.getSource() == startCheckbox)

 {

 if( startCheckbox.isSelected() )

 {

 int startRow = jt.getSelectedRow();

 if( startRow >= 0 )

 lastLoc = new Point(startRow, -1);

 else

 lastLoc = new Point(0, -1);

 }

 else

 lastLoc = new Point(0, -1);

 return;

 }

 if( find )

 {

 if( e.getSource() == nextButton || e.getSource() == findCombo)

 {

 findNext();

 }

 else if(e.getSource() == previousButton)

 {

 //if user has not entered the find text show error dialog

 if( ! validateInput())

 return;

 String findText = (String)findCombo.getSelectedItem();

 //if the column model is changed, recreate the column Vector

 refreshColumnVector(jt);

 //move the search pointer to previous row/column

 if( dbTable.lastLoc == -1 )

 {

 if( lastLoc.y == 0)

 {

 lastLoc.x = lastLoc.x -1;

 lastLoc.y = columnVector.size()-1;

 }

 else

 lastLoc.y = lastLoc.y - 1;

 }

 lastLoc = dbTable.find(lastLoc.x, lastLoc.y,findText,columnVector, false);

 }

 }

 else

 {

 if( e.getSource() == nextButton || e.getSource() == findCombo)

 {

 if( ! validateInput())

 return;

 String findText = (String)findCombo.getSelectedItem();

 String replaceText = (String)replaceCombo.getSelectedItem();

 //if the column model is changed, recreate the column Vector

 refreshColumnVector(jt);

 //move the search pointer to next row/column

 if( lastLoc.y == columnVector.size()-1)

 {

 lastLoc.x = lastLoc.x +1;

 lastLoc.y = 0;

 }

 else

 lastLoc.y = lastLoc.y + 1;

 setVisible(false);

 lastLoc = dbTable.replace(lastLoc.x, lastLoc.y,findText, replaceText, columnVector, true);

 }

 else if(e.getSource() == previousButton)

 {

 if( ! validateInput())

 return;

 String findText = (String)findCombo.getSelectedItem();

 String replaceText = (String)replaceCombo.getSelectedItem();

 //if the column model is changed, recreate the column Vector

 refreshColumnVector(jt);

 //move the search pointer to previous row/column

 if( lastLoc.y == 0)

 {

 lastLoc.x = lastLoc.x -1;

 lastLoc.y = columnVector.size()-1;

 }

 else

 lastLoc.y = lastLoc.y - 1;

 setVisible(false);

 lastLoc = dbTable.replace(lastLoc.x, lastLoc.y,findText,replaceText,columnVector, false);

 }

 else if(e.getSource() == replaceAllButton)

 {

 //if user has not entered the find text show error dialog

 String findText = (String)findCombo.getSelectedItem();

 if( findText == null || "".equals(findText))

 {

 //add code to show dialog

 return;

 }

 String replaceText = (String)replaceCombo.getSelectedItem();

 if( replaceText == null || "".equals(replaceText))

 {

 //add code to show dialog

 return;

 }

 //if the column model is changed, recreate the column Vector

 refreshColumnVector(jt);

 setVisible(false);

 lastLoc = dbTable.replaceAll(0,1,findText, replaceText, columnVector);

 }

 }

 jt.repaint();

	 }

 }

 private void refreshColumnVector(JTable jt)

 {

 int colCount = jt.getColumnCount();

 if( columnVector == null)

 columnVector = new Vector();

 if( colCount != columnVector.size() )

 {

 columnVector.removeAllElements();

 for( int i= 0; i< colCount; i++ )

 columnVector.addElement(new Integer(i+1));

 }

 }

 //validate whether user has entered a find or replace text

 private boolean validateInput()

 {

 //if user has not entered the find text show error dialog

 String findText = (String)findCombo.getSelectedItem();

 if( findText == null || "".equals(findText))

 {

 //add code to show dialog

 return false;

 }

 if( !find )

 {

 String replaceText = (String)replaceCombo.getSelectedItem();

 if( replaceText == null || "".equals(replaceText))

 {

 //add code to show dialog

 return false;

 }

 }

 return true;

 }

 public void setVisible(boolean visible)

 {

 if(visible)

 {

 if( startCheckbox.isSelected() )

 {

 int startRow = dbTable.getTable().getSelectedRow();

 if( startRow >= 0 )

 lastLoc = new Point(startRow, -1);

 else

 lastLoc = new Point(0, -1);

 }

 else

 lastLoc = new Point(0, -1);

 center();

 toFront();

 findCombo.requestDefaultFocus();

 findCombo.requestFocus();

 }

 else

 {

 dbTable.lastLoc =-1;

 }

 super.setVisible(visible);

 }

 public void center()

 {

 Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();

 setLocation(dim.width / 2 - getSize().width / 2,

 dim.height / 2 - getSize().height / 2);

 }

}