source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/swt/ConsoleTabComposite.java @ 398

package de.ugoe.cs.eventbench.swt;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;


import de.ugoe.cs.util.console.CommandExecuter;

/**
 * <p>
 * Implements the composite for the console tab in the applications main window. 
 * </p>
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public class ConsoleTabComposite extends Composite {

        protected Text textCommand;
        
        protected StyledText textConsoleOutput;
        
        /**
         * Create the composite.
         * @param parent
         * @param style
         */
        public ConsoleTabComposite(Composite parent, int style) {
                super(parent, style);
                createContents();
        }
        
        private void createContents() {
                setLayout(new GridLayout(3, false));
                
                Label lblCommand = new Label(this, SWT.NONE);
                lblCommand.setText("Command:");
                
                textCommand = new Text(this, SWT.BORDER);
                textCommand.addKeyListener(new KeyAdapter() {
                        @Override
                        public void keyReleased(KeyEvent e) {
                                if( e.keyCode==SWT.CR ) {
                                        executeCommand();
                                }
                        }
                });
                GridData gd_textCommand = new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1);
                gd_textCommand.widthHint = 304;
                textCommand.setLayoutData(gd_textCommand);
                textCommand.setFocus();
                
                Button btnEnter = new Button(this, SWT.NONE);
                btnEnter.addSelectionListener(new SelectionAdapter() {
                        @Override
                        public void widgetSelected(SelectionEvent e) {
                                executeCommand();
                        }
                });
                btnEnter.setText("Enter");
                
                textConsoleOutput = new StyledText(this, SWT.BORDER | SWT.READ_ONLY | SWT.H_SCROLL | SWT.V_SCROLL | SWT.CANCEL);
                GridData gd_textConsoleOutput = new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1);
                gd_textConsoleOutput.heightHint = 102;
                gd_textConsoleOutput.widthHint = 456;
                textConsoleOutput.setLayoutData(gd_textConsoleOutput);
                textConsoleOutput.addListener(SWT.Modify, new Listener(){
                    public void handleEvent(Event e){
                        textConsoleOutput.setTopIndex(textConsoleOutput.getLineCount() - 1);
                    }
                });

        }
        
        private void executeCommand() {
                String command = textCommand.getText().trim();
                CommandExecuter.getInstance().exec(command);
                textCommand.setText("");
        }

        @Override
        protected void checkSubclass() {
                // Disable the check that prevents subclassing of SWT components
        }

}