package jrex;

import com.google.common.collect.Table;
import java.awt.Window;
import java.util.Arrays;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JTextArea;

/**
 *
 * @author Mark George <mark.george@otago.ac.nz>
 */
public class ReplaceDialog extends javax.swing.JDialog {

	private final MutableTableModel expressionTableModel = new MutableTableModel(Arrays.asList("Search", "Replace"));
	private final JTextArea input;

	/**
	 * Creates new form ReplaceDialog
	 */
	public ReplaceDialog(Window parent, JTextArea input) {
		super(parent);
		setModal(true);
		initComponents();
		setLocationRelativeTo(parent);
		tblExpressions.setModel(expressionTableModel);
		txtInput.setText(input.getText());
		this.input = input;
		expressionTableModel.addRow(new String[]{"",""});
		expressionTableModel.fireTableStructureChanged();
		tblExpressions.setShowGrid(true);

		// synchronise the scrolling of the two text areas
		scrlInput.getVerticalScrollBar().setModel(scrlOutput.getVerticalScrollBar().getModel());

	}

	public String performReplace(String input, String search, String replace) {
		Pattern pattern = Pattern.compile(search, Pattern.MULTILINE + Pattern.DOTALL + Pattern.COMMENTS);
		Matcher matcher = pattern.matcher(input);
		return matcher.replaceAll(replace);
	}

	/**
	 * This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
	@SuppressWarnings("unchecked")
   // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
   private void initComponents() {

      spltMain = new javax.swing.JSplitPane();
      spltLeft = new javax.swing.JSplitPane();
      scrlInput = new javax.swing.JScrollPane();
      txtInput = new javax.swing.JTextArea();
      scrlOutput = new javax.swing.JScrollPane();
      txtOutput = new javax.swing.JTextArea();
      pblRight = new javax.swing.JPanel();
      scrlTable = new javax.swing.JScrollPane();
      tblExpressions = new javax.swing.JTable();
      btnAddRow = new javax.swing.JButton();
      btnReplace = new javax.swing.JButton();
      btnSync = new javax.swing.JButton();

      setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

      spltMain.setDividerLocation(500);
      spltMain.setResizeWeight(0.8);
      spltMain.setName("spltMain"); // NOI18N

      spltLeft.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
      spltLeft.setResizeWeight(0.5);
      spltLeft.setName("spltLeft"); // NOI18N

      scrlInput.setName("scrlInput"); // NOI18N

      txtInput.setColumns(20);
      txtInput.setRows(5);
      txtInput.setName("txtInput"); // NOI18N
      scrlInput.setViewportView(txtInput);

      spltLeft.setTopComponent(scrlInput);

      scrlOutput.setName("scrlOutput"); // NOI18N

      txtOutput.setColumns(20);
      txtOutput.setRows(5);
      txtOutput.setName("txtOutput"); // NOI18N
      scrlOutput.setViewportView(txtOutput);

      spltLeft.setRightComponent(scrlOutput);

      spltMain.setLeftComponent(spltLeft);

      pblRight.setName("pblRight"); // NOI18N

      scrlTable.setAlignmentY(0.0F);

      tblExpressions.setFillsViewportHeight(true);
      scrlTable.setViewportView(tblExpressions);

      btnAddRow.setText("Add Row");
      btnAddRow.setName("btnAddRow"); // NOI18N
      btnAddRow.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnAddRowActionPerformed(evt);
         }
      });

      btnReplace.setText("Replace");
      btnReplace.setName("btnReplace"); // NOI18N
      btnReplace.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnReplaceActionPerformed(evt);
         }
      });

      btnSync.setText("Sync Output");
      btnSync.setName("btnSync"); // NOI18N
      btnSync.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnSyncActionPerformed(evt);
         }
      });

      javax.swing.GroupLayout pblRightLayout = new javax.swing.GroupLayout(pblRight);
      pblRight.setLayout(pblRightLayout);
      pblRightLayout.setHorizontalGroup(
         pblRightLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addComponent(scrlTable, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
         .addComponent(btnAddRow, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
         .addComponent(btnReplace, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
         .addComponent(btnSync, javax.swing.GroupLayout.DEFAULT_SIZE, 230, Short.MAX_VALUE)
      );
      pblRightLayout.setVerticalGroup(
         pblRightLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pblRightLayout.createSequentialGroup()
            .addComponent(scrlTable, javax.swing.GroupLayout.DEFAULT_SIZE, 428, Short.MAX_VALUE)
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addComponent(btnAddRow)
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addComponent(btnReplace)
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addComponent(btnSync)
            .addContainerGap())
      );

      spltMain.setRightComponent(pblRight);

      javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
      getContentPane().setLayout(layout);
      layout.setHorizontalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addComponent(spltMain, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 771, Short.MAX_VALUE)
      );
      layout.setVerticalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addComponent(spltMain)
      );

      pack();
   }// </editor-fold>//GEN-END:initComponents

   private void btnAddRowActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnAddRowActionPerformed
		expressionTableModel.addRow(new String[]{"", ""});
		expressionTableModel.fireTableStructureChanged();
   }//GEN-LAST:event_btnAddRowActionPerformed

	@SuppressWarnings({"unchecked", "UseOfObsoleteCollectionType"})
   private void btnReplaceActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnReplaceActionPerformed
		String data = txtInput.getText();

		Table<Integer, Integer,String> table = expressionTableModel.getTable();

		for (Map<Integer, String> row : table.rowMap().values()) {
			if (!row.get(0).isEmpty()) {
				String search = row.get(0);
				String replace = row.get(1);
				data = performReplace(data, search, replace);
			}
		}
		
		txtOutput.setText(data);
   }//GEN-LAST:event_btnReplaceActionPerformed


   private void btnSyncActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnSyncActionPerformed
		this.input.setText(txtOutput.getText());
   }//GEN-LAST:event_btnSyncActionPerformed


   // Variables declaration - do not modify//GEN-BEGIN:variables
   private javax.swing.JButton btnAddRow;
   private javax.swing.JButton btnReplace;
   private javax.swing.JButton btnSync;
   private javax.swing.JPanel pblRight;
   private javax.swing.JScrollPane scrlInput;
   private javax.swing.JScrollPane scrlOutput;
   private javax.swing.JScrollPane scrlTable;
   private javax.swing.JSplitPane spltLeft;
   private javax.swing.JSplitPane spltMain;
   private javax.swing.JTable tblExpressions;
   private javax.swing.JTextArea txtInput;
   private javax.swing.JTextArea txtOutput;
   // End of variables declaration//GEN-END:variables
}