| /* |
| * Copyright 1999-2005 The Apache Software Foundation. |
| * |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.traits; |
| |
| import org.apache.fop.datatypes.KeepValue; |
| import org.apache.fop.fo.Constants; |
| |
| /** |
| * Store properties affecting layout: break-before, break-after, keeps, span. |
| * for a block level FO. |
| * Public "structure" allows direct member access. |
| */ |
| public class LayoutProps { |
| |
| public int breakBefore; // enum constant BreakBefore.xxx |
| public int breakAfter; // enum constant BreakAfter.xxx |
| public KeepValue keepWithPrevious; /*LF*/ |
| public KeepValue keepWithNext; /*LF*/ |
| public KeepValue keepTogether; /*LF*/ |
| public int orphans; /*LF*/ |
| public int widows; /*LF*/ |
| public int blockProgressionUnit; /*LF*/ |
| public int lineStackingStrategy; /*LF*/ |
| public boolean bIsSpan; |
| public SpaceVal spaceBefore; |
| public SpaceVal spaceAfter; |
| |
| private static final int[] BREAK_PRIORITIES = |
| new int[]{ Constants.EN_AUTO, Constants.EN_COLUMN, Constants.EN_PAGE }; |
| |
| |
| public LayoutProps() { |
| breakBefore = breakAfter = Constants.EN_AUTO; |
| bIsSpan = false; |
| } |
| |
| // public static int higherBreak(int brkParent, int brkChild) { |
| // if (brkParent == brkChild) return brkChild; |
| // for (int i=0; i < s_breakPriorities.length; i++) { |
| // int bp = s_breakPriorities[i]; |
| // if (bp == brkParent) return brkChild; |
| // else if (bp == brkChild) return brkParent; |
| // } |
| // return brkChild; |
| // } |
| |
| public void combineWithParent(LayoutProps parentLP) { |
| if (parentLP.breakBefore != breakBefore) { |
| for (int i = 0; i < BREAK_PRIORITIES.length; i++) { |
| int bp = BREAK_PRIORITIES[i]; |
| if (bp == breakBefore) { |
| breakBefore = parentLP.breakBefore; |
| break; |
| } else if (bp == parentLP.breakBefore) { |
| break; |
| } |
| } |
| } |
| // Parent span always overrides child span |
| bIsSpan = parentLP.bIsSpan; |
| } |
| |
| public String toString() { |
| return "LayoutProps:\n" + |
| "breakBefore = " + breakBefore + "; breakAfter = " + breakAfter + "\n" + |
| "spaceBefore = " + ((spaceBefore != null) ? spaceBefore.toString() : "null") + "\n" + |
| "spaceAfter = " + ((spaceAfter != null) ? spaceAfter.toString() : "null") + "\n" + |
| "bIsSpan = " + bIsSpan + "\n"; |
| } |
| } |
| |