/******************************************************************************* * Copyright ? 2008 Sandro Badame. All Rights Reserved. *  * This software and the accompanying materials is available under the  * Eclipse Public License 1.0 (EPL), which accompanies this distribution, and is * available at http://visualjpf.sourceforge.net/epl-v10.html ******************************************************************************/package com.javapathfinder.vjp.config.editors.userdefined;import org.eclipse.swt.SWT;import org.eclipse.swt.events.SelectionEvent;import org.eclipse.swt.events.SelectionListener;import org.eclipse.swt.layout.GridData;import org.eclipse.swt.layout.GridLayout;import org.eclipse.swt.widgets.Button;import org.eclipse.swt.widgets.Dialog;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.Label;import org.eclipse.swt.widgets.Shell;import org.eclipse.swt.widgets.Text;import com.javapathfinder.vjp.config.editors.Property;/** * A dialog that allows for addition of a new Property to the table. *  * @author Sandro Badame */public class AddPropertyDialog extends Dialog {  private String key = null;  private String value = null;  private Boolean ok_pressed = false;  /**   * Creates this dialog.    */  public AddPropertyDialog(Shell parent) {    super(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);    setText("Add Property");  }  /**   * Opens the dialog and returns the property   * @return the property entered by the user, null if canceled.   */  public Property open() {    // Create the dialog window    Shell shell = new Shell(getParent(), getStyle());    shell.setMinimumSize(400, 200);    shell.setText(getText());    createContents(shell);    shell.pack();    shell.open();    Display display = getParent().getDisplay();    while (!shell.isDisposed()) {      if (!display.readAndDispatch()) {        display.sleep();      }    }    return ok_pressed ? new Property(key, value) : null;  }  private void createContents(final Shell shell) {    GridLayout layout = new GridLayout();    GridData gridData;    layout.numColumns = 2;    shell.setLayout(layout);    layout.makeColumnsEqualWidth = false;    Label label = new Label(shell, SWT.LEFT);    label.setText("Enter the property name and value");    gridData = new GridData();    gridData.horizontalSpan = 2;    label.setLayoutData(gridData);    Label keylabel = new Label(shell, SWT.LEFT);    keylabel.setText("Name:");    final Text keyText = new Text(shell, SWT.SINGLE | SWT.BORDER);    gridData = new GridData();    gridData.horizontalAlignment = GridData.FILL;    gridData.grabExcessHorizontalSpace = true;    keyText.setLayoutData(gridData);    Label valuelabel = new Label(shell, SWT.LEFT);    valuelabel.setText("Value:");    final Text valueText = new Text(shell, SWT.SINGLE | SWT.BORDER);    valueText.setLayoutData(gridData);    Button addButton = new Button(shell, SWT.PUSH);    addButton.setText("Add");    gridData = new GridData();    addButton.setLayoutData(gridData);    addButton.addSelectionListener(new SelectionListener() {      public void widgetDefaultSelected(SelectionEvent e) {      }      public void widgetSelected(SelectionEvent e) {        key = keyText.getText();        value = valueText.getText();        ok_pressed = true;        shell.close();      }    });    shell.setDefaultButton(addButton);    Button cancelButton = new Button(shell, SWT.PUSH);    cancelButton.setText("Cancel");    gridData = new GridData();    cancelButton.setLayoutData(gridData);    cancelButton.addSelectionListener(new SelectionListener() {      public void widgetDefaultSelected(SelectionEvent e) {      }      public void widgetSelected(SelectionEvent e) {        shell.close();      }    });  }}