| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.uima.taeconfigurator.editors.ui; |
| |
| import java.lang.reflect.Array; |
| import java.util.Comparator; |
| |
| import org.apache.uima.taeconfigurator.InternalErrorCDE; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Shell; |
| |
| // MessageDialog extended only to enable resize |
| public class Utility extends MessageDialog { |
| |
| /** |
| * @param parentShell |
| * @param dialogTitle |
| * @param dialogTitleImage |
| * @param dialogMessage |
| * @param dialogImageType |
| * @param dialogButtonLabels |
| * @param defaultIndex |
| */ |
| public Utility(Shell parentShell, String dialogTitle, Image dialogTitleImage, |
| String dialogMessage, int dialogImageType, String[] dialogButtonLabels, int defaultIndex) { |
| super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, dialogImageType, |
| dialogButtonLabels, defaultIndex); |
| // TODO Auto-generated constructor stub |
| } |
| |
| final private static String[] OK_CANCEL = { "OK", "Cancel" }; |
| |
| final private static String[] OKstring = { "OK" }; |
| |
| /** |
| * Pops up a warning message with an "OK" and "Cancel" button |
| * |
| * @param title |
| * of the warning |
| * @param message |
| * @param type |
| * one of MessageDialog.NONE for a dialog with no image MessageDialog.ERROR for a dialog |
| * with an error image MessageDialog.INFORMATION for a dialog with an information image |
| * MessageDialog.QUESTION for a dialog with a question image MessageDialog.WARNING for a |
| * dialog with a warning image |
| */ |
| public static int popOkCancel(String title, String message, int type) { |
| return popMessage(title, message, type, OK_CANCEL); |
| } |
| |
| /** |
| * Pops up a warning message with an "OK" button |
| * |
| * @param title |
| * of the warning |
| * @param message |
| * @param type |
| * one of MessageDialog.NONE for a dialog with no image MessageDialog.ERROR for a dialog |
| * with an error image MessageDialog.INFORMATION for a dialog with an information image |
| * MessageDialog.QUESTION for a dialog with a question image MessageDialog.WARNING for a |
| * dialog with a warning image |
| * @return Window.OK or Window.CANCEL. If window is closed, Window.CANCEL is returned. |
| */ |
| |
| public static void popMessage(String title, String message, int type) { |
| popMessage(title, message, type, OKstring); |
| } |
| |
| public static int popMessage(String title, String message, int type, String[] buttons) { |
| Utility dialog = new Utility(new Shell(), title, null, message, type, buttons, 0); |
| dialog.setShellStyle(SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL | SWT.RESIZE); |
| int returnCode = dialog.open(); |
| if (returnCode == -1) |
| returnCode = Window.CANCEL; // Cancel code |
| return returnCode; |
| } |
| |
| /** |
| * remove 1 element (must be present) use == test |
| * |
| * @param source |
| * @param element |
| * @param componentClass |
| * @return |
| */ |
| |
| public static Object[] removeElementFromArray(Object[] source, Object element, |
| Class componentClass) { |
| Object[] result = (Object[]) Array.newInstance(componentClass, source.length - 1); |
| for (int i = 0, j = 0; i < source.length; i++) { |
| if (element != source[i]) |
| result[j++] = source[i]; |
| } |
| return result; |
| } |
| |
| /** |
| * remove 1 element (must be present) use == test |
| * |
| * @param source |
| * @param element |
| * @param componentClass |
| * @return |
| */ |
| |
| public static Object[] removeEqualElementFromArray(Object[] source, Object element, |
| Class componentClass) { |
| Object[] result = (Object[]) Array.newInstance(componentClass, source.length - 1); |
| for (int i = 0, j = 0; i < source.length; i++) { |
| if (element == null && source[i] == null) |
| continue; |
| if (null != element && element.equals(source[i])) |
| continue; |
| result[j++] = source[i]; |
| } |
| return result; |
| } |
| |
| public static Object[] removeElementsFromArray(Object[] source, Object element, |
| Class componentClass) { |
| if (null == source) |
| return null; |
| int count = 0; |
| for (int i = 0; i < source.length; i++) { |
| if (!element.equals(source[i])) |
| count++; |
| } |
| if (count == source.length) |
| return source; |
| |
| Object[] result = (Object[]) Array.newInstance(componentClass, count); |
| for (int i = 0, j = 0; i < source.length; i++) { |
| if (!element.equals(source[i])) |
| result[j++] = source[i]; |
| } |
| return result; |
| } |
| |
| public static Object[] removeElementsFromArray(Object[] source, Object element, |
| Class componentClass, Comparator comp) { |
| if (null == source) |
| return null; |
| int count = 0; |
| for (int i = 0; i < source.length; i++) { |
| if (0 != comp.compare(element, source[i])) |
| count++; |
| } |
| if (count == source.length) |
| return source; |
| |
| Object[] result = (Object[]) Array.newInstance(componentClass, count); |
| for (int i = 0, j = 0; i < source.length; i++) { |
| if (0 != comp.compare(element, source[i])) |
| result[j++] = source[i]; |
| } |
| return result; |
| } |
| |
| public static Object[] addElementToArray(Object[] source, Object element, Class componentClass) { |
| final int newLength = (null == source) ? 1 : source.length + 1; |
| Object[] result = (Object[]) Array.newInstance(componentClass, newLength); |
| System.arraycopy(source, 0, result, 0, newLength - 1); |
| result[newLength - 1] = element; |
| return result; |
| } |
| |
| public static boolean arrayContains(Object[] array, Object element) { |
| if (null == element) |
| throw new InternalErrorCDE("null not allowed as an argument"); |
| if (null == array) |
| return false; |
| for (int i = 0; i < array.length; i++) { |
| if (null == array[i]) |
| continue; |
| if (array[i].equals(element)) |
| return true; |
| } |
| return false; |
| } |
| |
| } |