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 * and open the template in the editor.
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package org.autoplot.jythonsupport;

import java.awt.BorderLayout;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.event.ActionEvent;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.KeyStroke;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import jsyntaxpane.DefaultSyntaxKit;
import org.autoplot.jythonsupport.ui.EditorTextPane;
import org.autoplot.jythonsupport.ui.RefactorRenameVariable;

/**
 *
 * @author jbf
 */
public class ClipboardEditorPanel extends javax.swing.JPanel {

    EditorTextPane edit;
    
    /**
     * Creates new form ClipboardEditorPanel
     */
    public ClipboardEditorPanel() {
        initComponents();
        edit= new EditorTextPane();
        DefaultSyntaxKit.initKit();
        edit.setContentType("text/python");
        
        edit.getDocument().addDocumentListener( new DocumentListener() {
            @Override
            public void insertUpdate(DocumentEvent e) {
                copyClipButton.setEnabled(true);
            }

            @Override
            public void removeUpdate(DocumentEvent e) {
                copyClipButton.setEnabled(true);
            }

            @Override
            public void changedUpdate(DocumentEvent e) {
                copyClipButton.setEnabled(true);
            }
        });
        
        JScrollPane pane= new JScrollPane(edit);
        editorPanel.add( pane, BorderLayout.CENTER );
        editorPanel.revalidate();
        
        Action renameAction= new AbstractAction("Rename Variable") {
            @Override
            public void actionPerformed(ActionEvent e) {
                String script= edit.getText();
                try {
                    StaticCodeAnalysis.showUsage( script,"x" );
                } catch ( Exception ex ) {
                    JOptionPane.showMessageDialog( editorPanel, "Script must be Jython syntax without errors");
                    return;
                }
                RefactorRenameVariable rrv= new RefactorRenameVariable(edit);
                if ( JOptionPane.OK_OPTION==
                        JOptionPane.showConfirmDialog( editorPanel, rrv, "Rename Variable", JOptionPane.OK_CANCEL_OPTION ) ) {
                    rrv.refactorVarRename( );
                }
            }
        };
        renameVariableButton.setAction(renameAction);
        //edit.getKeymap().addActionForKeyStroke( 
        //        KeyStroke.getKeyStroke( 'r', java.awt.event.InputEvent.SHIFT_DOWN_MASK ), renameAction );
    }

    /**
     * set the text in the editor.
     * @param text 
     */
    public void setText( String text ) {
        edit.setText(text);
        copyClipButton.setEnabled(true);
    }
    
    
    /**
     * return the text in the editor
     * @return 
     */
    public String getText() {
        return edit.getText();
    }
    
    public void setTextFromClipboard() {
        try {
            Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
            String text= clipboard.getContents(null).getTransferData( DataFlavor.stringFlavor ).toString();
            setText(text);
            copyClipButton.setEnabled(false);
        } catch (UnsupportedFlavorException ex) {
            Logger.getLogger(ClipboardEditorPanel.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IOException ex) {
            Logger.getLogger(ClipboardEditorPanel.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    }
    
    /**
     * 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() {

        editorPanel = new javax.swing.JPanel();
        copyClipButton = new javax.swing.JButton();
        renameVariableButton = new javax.swing.JButton();

        editorPanel.setLayout(new java.awt.BorderLayout());

        copyClipButton.setText("Copy back into Clipboard");
        copyClipButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                copyClipButtonActionPerformed(evt);
            }
        });

        renameVariableButton.setText("Rename Variable...");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(editorPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap(15, Short.MAX_VALUE)
                .addComponent(renameVariableButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(copyClipButton))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(editorPanel, javax.swing.GroupLayout.DEFAULT_SIZE, 269, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(copyClipButton)
                    .addComponent(renameVariableButton)))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void copyClipButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_copyClipButtonActionPerformed
        Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
        StringSelection selection = new StringSelection(edit.getText());
        clipboard.setContents(selection, null);
        copyClipButton.setEnabled(false);
    }//GEN-LAST:event_copyClipButtonActionPerformed


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton copyClipButton;
    private javax.swing.JPanel editorPanel;
    private javax.swing.JButton renameVariableButton;
    // End of variables declaration//GEN-END:variables
}