Java tutorial
/* Copyright 2011 FZI, http://www.fzi.de See the NOTICE file distributed with this work for additional information regarding copyright ownership Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package org.universaal.tools.configurationEditor.dialogs; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; public class CategoryDialog extends TitleAreaDialog { private Text idText; private Text labelText; private String id; private String label; public CategoryDialog(Shell parentShell) { super(parentShell); // TODO Auto-generated constructor stub ; } public void create() { super.create(); // Set the title setTitle("Add category"); // Set the message setMessage("Add a category to the configuration", IMessageProvider.NONE); } protected Control createDialogArea(Composite parent) { Composite area = (Composite) super.createDialogArea(parent); Composite container = new Composite(area, SWT.NONE); container.setLayoutData(new GridData(GridData.FILL_BOTH)); GridLayout layout = new GridLayout(2, false); container.setLayout(layout); // The text fields will grow with the size of the dialog GridData gridData = new GridData(); gridData.grabExcessHorizontalSpace = true; gridData.horizontalAlignment = GridData.FILL; // gridData.horizontalSpan = 2; Label label1 = new Label(container, SWT.NONE); label1.setText("Id:"); idText = new Text(container, SWT.BORDER); idText.setLayoutData(gridData); Label label2 = new Label(container, SWT.NONE); label2.setText("Label:"); gridData = new GridData(); gridData.grabExcessHorizontalSpace = true; gridData.horizontalAlignment = GridData.FILL; // gridData.horizontalSpan = 2; labelText = new Text(container, SWT.BORDER); labelText.setLayoutData(gridData); return area; } @Override protected void createButtonsForButtonBar(Composite parent) { // GridData gridData = new GridData(); // gridData.verticalAlignment = GridData.FILL; // gridData.horizontalSpan = 3; // gridData.grabExcessHorizontalSpace = true; // gridData.grabExcessVerticalSpace = true; // gridData.horizontalAlignment = SWT.CENTER; // parent.setLayoutData(gridData); // Label label = new Label(parent, SWT.SINGLE); // Create Add button // Own method as we need to overview the SelectionAdapter createOkButton(parent, OK, "Add", true); // Add a SelectionListener // Create Cancel button Button cancelButton = createButton(parent, CANCEL, "Cancel", false); // Add a SelectionListener cancelButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { setReturnCode(CANCEL); close(); } }); } protected Button createOkButton(Composite parent, int id, String label, boolean defaultButton) { // increment the number of columns in the button bar ((GridLayout) parent.getLayout()).numColumns++; Button button = new Button(parent, SWT.PUSH); button.setText(label); button.setFont(JFaceResources.getDialogFont()); button.setData(new Integer(id)); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { // if (isValidInput()) { okPressed(); // } } }); if (defaultButton) { Shell shell = parent.getShell(); if (shell != null) { shell.setDefaultButton(button); } } setButtonLayoutData(button); return button; } protected void okPressed() { saveInput(); super.okPressed(); } private void saveInput() { this.id = idText.getText(); this.label = labelText.getText(); } public String getId() { return this.id; } public String getLabel() { return this.label; } }