| /******************************************************************************* |
| * Copyright (c) 2009, 2014 Xored Software 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: |
| * Xored Software Inc - initial API and implementation and/or initial documentation |
| *******************************************************************************/ |
| package org.eclipse.rcptt.util.swt; |
| |
| import org.eclipse.swt.custom.StyleRange; |
| |
| public class StyleRangeUtils { |
| public static StylesDiffInfo getStylesDiffInd(int start, int length, StyleRange[] leftRanges, |
| StyleRange[] rightRanges) { |
| |
| for (int i = start; i < start + length; i++) { |
| StyleRange toComp = null; |
| int expRangeInd = -1; |
| int actRangeInd = -1; |
| boolean same = false; |
| |
| for (int j = leftRanges.length - 1; j >= 0; j--) { |
| if (i >= leftRanges[j].start |
| && i < leftRanges[j].start + leftRanges[j].length) { |
| expRangeInd = j; |
| toComp = leftRanges[j]; |
| break; |
| } |
| } |
| for (int j = rightRanges.length - 1; j >= 0; j--) { |
| if (i >= rightRanges[j].start |
| && i < rightRanges[j].start + rightRanges[j].length) { |
| if (toComp != null && toComp.similarTo(rightRanges[j])) { |
| same = true; |
| } else { |
| actRangeInd = j; |
| break; |
| } |
| } |
| } |
| |
| if (!same && (expRangeInd != -1 || actRangeInd != -1)) { |
| return new StylesDiffInfo(i, expRangeInd, actRangeInd); |
| } |
| } |
| return null; |
| } |
| |
| public static String getNonStyledText(StyleRange[] ranges, String text) { |
| if (text == null) { |
| return null; |
| } |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < text.length(); i++) { |
| boolean appendChar = true; |
| for (StyleRange range : ranges) { |
| if (i >= range.start && i < range.start + range.length) { |
| appendChar = false; |
| break; |
| } |
| } |
| if (appendChar) { |
| sb.append(text.charAt(i)); |
| } |
| } |
| return sb.toString(); |
| } |
| } |