| /******************************************************************************* |
| * Copyright (c) 2004, 2005 Sybase, Inc. and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.facesconfig.ui.dialog; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.resource.JFaceResources; |
| 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.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * @author Zhi-peng Zhang |
| * @version |
| */ |
| |
| /** |
| * A common Dialog with validation information. |
| */ |
| public abstract class StatusDialog extends Dialog { |
| /** The validation image */ |
| private Label statusImage; |
| |
| /** The validation message */ |
| private Label statusLabel; |
| |
| /** The validation message content */ |
| private String statusMessage; |
| |
| /** |
| * |
| * @param parentShell |
| */ |
| protected StatusDialog(Shell parentShell) { |
| super(parentShell); |
| } |
| |
| /** |
| * Creates and returns the contents of the upper part of this dialog (above |
| * the validation widgets). User should create Layout for the parent parameter. |
| * |
| * @param parent |
| * the parent composite to contain the dialog area |
| * @return the dialog area control |
| */ |
| protected abstract Control createDialogContents(Composite parent); |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createDialogArea(Composite parent) { |
| Composite area = (Composite) super.createDialogArea(parent); |
| area.setLayout(new GridLayout(2,false)); |
| |
| Composite contents = new Composite(area, SWT.NONE); |
| GridData gd = new GridData(GridData.FILL_BOTH); |
| gd.horizontalSpan = 2; |
| contents.setLayoutData(gd); |
| createDialogContents(contents); |
| |
| statusImage = createLabel(area); |
| statusImage.setImage(JFaceResources |
| .getImage(Dialog.DLG_IMG_MESSAGE_ERROR)); |
| statusLabel = createLabel(area); |
| statusImage.setVisible(false); |
| return area; |
| } |
| |
| private Label createLabel(Composite parent) { |
| Label label = new Label(parent, SWT.LEFT); |
| GridData data = new GridData(); |
| data.horizontalSpan = 1; |
| data.horizontalAlignment = GridData.FILL; |
| label.setLayoutData(data); |
| return label; |
| } |
| |
| /** |
| * @return true if is status is valid |
| */ |
| protected abstract boolean isValid(); |
| |
| /** |
| * update the status information |
| */ |
| protected void updateStatus() { |
| if (isValid()) { |
| statusImage.setVisible(false); |
| statusLabel.setText(""); //$NON-NLS-1$ |
| getButton(IDialogConstants.OK_ID).setEnabled(true); |
| } else { |
| statusImage.setVisible(true); |
| statusLabel.setText(statusMessage == null ? "" : statusMessage);//$NON-NLS-1$ |
| getButton(IDialogConstants.OK_ID).setEnabled(false); |
| } |
| } |
| |
| /** |
| * @return the current status message |
| */ |
| public String getStatusMessage() { |
| return statusMessage; |
| } |
| |
| /** |
| * @param statusMessage |
| */ |
| public void setStatusMessage(String statusMessage) { |
| this.statusMessage = statusMessage; |
| } |
| |
| } |