Customised Input validation for SWT text - RCP Toolbox - part 2

NOTE: for this source to work.. you need to include SWT and RCP toolkit libraries...

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package my.org.eclipse.swt.snippets;

import java.util.Date;

import org.eclipse.jface.dialogs.DialogPage;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.richclientgui.toolbox.validation.IFieldErrorMessageHandler;
import com.richclientgui.toolbox.validation.ValidatingField;
import com.richclientgui.toolbox.validation.ValidationToolkit;
import com.richclientgui.toolbox.validation.converter.DateStringConverter;
import com.richclientgui.toolbox.validation.converter.IntegerStringConverter;
import com.richclientgui.toolbox.validation.string.StringValidationToolkit;
import com.richclientgui.toolbox.validation.validator.IFieldValidator;
import com.richclientgui.toolbox.validation.validator.TelephoneNumberValidator;

public class TestingRCPToolkitValidators extends WizardPage{

private final IFieldErrorMessageHandler errorMessageHandler;

private static final int DECORATOR_POSITION = SWT.TOP | SWT.LEFT;
private static final int DECORATOR_MARGIN_WIDTH = 1;
private static final int DEFAULT_WIDTH_HINT = 150;

private ValidationToolkit intValToolkit = null;
private StringValidationToolkit strValToolkit = null;
private ValidationToolkit dateValToolkit = null;

public TestingRCPToolkitValidators() {
super("booking.pageone","New Booking Entry", null);
errorMessageHandler = new WizardPageErrorHandler();
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new GridLayout(2, false));
createControl(shell);
shell.pack();
shell.open();

while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}

}

class WizardPageErrorHandler implements IFieldErrorMessageHandler {
public void handleErrorMessage(String message, String input) {
setMessage(null, DialogPage.WARNING);
setErrorMessage(message);
}
public void handleWarningMessage(String message, String input) {
setErrorMessage(null);
setMessage(message, DialogPage.WARNING);
}
public void clearMessage() {
setErrorMessage(null);
setMessage(null, DialogPage.WARNING);
}
}

public static void main(String[] args) {
new TestingRCPToolkitValidators();
}

@Override
public void createControl(Composite shell) {
strValToolkit = new StringValidationToolkit(DECORATOR_POSITION, DECORATOR_MARGIN_WIDTH, true);
strValToolkit.setDefaultErrorMessageHandler(errorMessageHandler);

intValToolkit = new ValidationToolkit(new IntegerStringConverter(), DECORATOR_POSITION, DECORATOR_MARGIN_WIDTH, true);
intValToolkit.setDefaultErrorMessageHandler(errorMessageHandler);

dateValToolkit = new ValidationToolkit(new DateStringConverter(),DECORATOR_POSITION, DECORATOR_MARGIN_WIDTH, true);
dateValToolkit.setDefaultErrorMessageHandler(errorMessageHandler);


// TODO Auto-generated method stub
//GridData gridData;
createNameField(shell);
//createAddressField(shell);
//createSportsListWidget(shell);
createTelephoneNumberField(shell);


}

private void createSportsListWidget(Composite shell) {
GridData gridData;
Label sportsLabel = new Label(shell, SWT.NONE);
sportsLabel.setText("Sports played:");
gridData = new GridData();
gridData.horizontalSpan = 2;
sportsLabel.setLayoutData(gridData);

List sportsList = new List(shell, SWT.BORDER | SWT.MULTI);
gridData = new GridData();
gridData.horizontalSpan = 2;
gridData.horizontalAlignment = SWT.FILL;
gridData.grabExcessHorizontalSpace = true;
gridData.verticalAlignment = SWT.FILL;
gridData.grabExcessVerticalSpace = true;
sportsList.setLayoutData(gridData);
sportsList.add("Hockey");
sportsList.add("Street Hockey");
}

private void createAddressField(Composite shell) {
GridData gridData;
Label addressLabel = new Label(shell, SWT.NONE);
addressLabel.setText("Address:");
gridData = new GridData();
gridData.verticalAlignment = SWT.TOP;
addressLabel.setLayoutData(gridData);

Text addressText = new Text(shell, SWT.BORDER | SWT.WRAP | SWT.MULTI);
gridData = new GridData();
gridData.horizontalAlignment = SWT.FILL;
gridData.grabExcessHorizontalSpace = true;
gridData.verticalAlignment = SWT.FILL;
gridData.grabExcessVerticalSpace = true;
addressText.setLayoutData(gridData);
addressText.setText("This text field and the List\nbelow share any excess space.");
}

private void createNameField(Composite shell) {
// Label nameLabel = new Label(shell, SWT.NONE);
// nameLabel.setText("Name:");
//
// Text nameText = new Text(shell, SWT.BORDER);
// GridData gridData = new GridData();
// gridData.horizontalAlignment = SWT.FILL;
// gridData.grabExcessHorizontalSpace = true;
// nameText.setLayoutData(gridData);
// nameText.setText("Text grows horizontally");
new Label(shell, SWT.NONE).setText("Name:");
final ValidatingField nameField = strValToolkit.createTextField( shell, new IFieldValidator(){

public String getErrorMessage() {
return "Name may not be empty.";
}

public String getWarningMessage() {
return "That's a very short name...";
}

public boolean isValid(String contents) {
return !(contents.length()==0);
}

public boolean warningExist(String contents) {
return contents.length() < 3;
}

}, true, "");
GridData gd = new GridData(SWT.LEFT, SWT.CENTER, false, false);
gd.widthHint = DEFAULT_WIDTH_HINT;
nameField.getControl().setLayoutData(gd);



}

private void createTelephoneNumberField(Composite shell) {
// Label nameLabel = new Label(shell, SWT.NONE);
// nameLabel.setText("Telephone #:");
//
// Text nameText = new Text(shell, SWT.BORDER);
// GridData gridData = new GridData();
// gridData.horizontalAlignment = SWT.FILL;
// gridData.grabExcessHorizontalSpace = true;
// nameText.setLayoutData(gridData);

new Label(shell, SWT.NONE).setText("Contact Telephone Nr:");
final ValidatingField telephoneField= strValToolkit.createTextField(
shell,
new TelephoneNumberValidator(true),
true,
"+44 (55) 555-4321");

GridData gd = new GridData(SWT.LEFT, SWT.CENTER, false, false);
gd.widthHint = DEFAULT_WIDTH_HINT;
telephoneField.getControl().setLayoutData(gd);
}

}

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