/* * Copyright 1999-2004 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: TraitSetter.java,v 1.6 2004/02/27 17:49:25 jeremias Exp $ */ package org.apache.fop.layoutmgr; import org.apache.fop.fo.properties.CommonBorderAndPadding; import org.apache.fop.traits.BorderProps; import org.apache.fop.traits.LayoutProps; import org.apache.fop.area.Area; import org.apache.fop.area.Trait; import org.apache.fop.fo.properties.CommonBackground; import org.apache.fop.fo.properties.CommonMarginBlock; /** * This is a helper class used for setting common traits on areas. */ public class TraitSetter { /** * Sets border and padding traits on areas. * @param area area to set the traits on * @param bpProps border and padding properties */ public static void setBorderPaddingTraits(Area area, CommonBorderAndPadding bpProps, boolean bNotFirst, boolean bNotLast) { int iBP; iBP = bpProps.getPadding(CommonBorderAndPadding.START, bNotFirst); if (iBP > 0) { //area.addTrait(new Trait(Trait.PADDING_START, new Integer(iBP))); area.addTrait(Trait.PADDING_START, new Integer(iBP)); } iBP = bpProps.getPadding(CommonBorderAndPadding.END, bNotLast); if (iBP > 0) { //area.addTrait(new Trait(Trait.PADDING_END, new Integer(iBP))); area.addTrait(Trait.PADDING_END, new Integer(iBP)); } iBP = bpProps.getPadding(CommonBorderAndPadding.BEFORE, false); if (iBP > 0) { // area.addTrait(new Trait(Trait.PADDING_BEFORE, new Integer(iBP))); area.addTrait(Trait.PADDING_BEFORE, new Integer(iBP)); } iBP = bpProps.getPadding(CommonBorderAndPadding.AFTER, false); if (iBP > 0) { //area.addTrait(new Trait(Trait.PADDING_AFTER, new Integer(iBP))); area.addTrait(Trait.PADDING_AFTER, new Integer(iBP)); } addBorderTrait(area, bpProps, bNotFirst, CommonBorderAndPadding.START, Trait.BORDER_START); addBorderTrait(area, bpProps, bNotLast, CommonBorderAndPadding.END, Trait.BORDER_END); addBorderTrait(area, bpProps, false, CommonBorderAndPadding.BEFORE, Trait.BORDER_BEFORE); addBorderTrait(area, bpProps, false, CommonBorderAndPadding.AFTER, Trait.BORDER_AFTER); } /** * Sets border traits on an area. * @param area area to set the traits on * @param bpProps border and padding properties */ private static void addBorderTrait(Area area, CommonBorderAndPadding bpProps, boolean bDiscard, int iSide, Object oTrait) { int iBP = bpProps.getBorderWidth(iSide, bDiscard); if (iBP > 0) { // area.addTrait(new Trait(oTrait, // new BorderProps(bpProps.getBorderStyle(iSide), // iBP, // bpProps.getBorderColor(iSide)))); area.addTrait(oTrait, new BorderProps(bpProps.getBorderStyle(iSide), iBP, bpProps.getBorderColor(iSide))); } } /** * Add borders to an area. * Layout managers that create areas with borders can use this to * add the borders to the area. * @param curBlock area to set the traits on * @param bordProps border properties */ public static void addBorders(Area curBlock, CommonBorderAndPadding bordProps) { BorderProps bps = getBorderProps(bordProps, CommonBorderAndPadding.BEFORE); if (bps.width != 0) { curBlock.addTrait(Trait.BORDER_BEFORE, bps); } bps = getBorderProps(bordProps, CommonBorderAndPadding.AFTER); if (bps.width != 0) { curBlock.addTrait(Trait.BORDER_AFTER, bps); } bps = getBorderProps(bordProps, CommonBorderAndPadding.START); if (bps.width != 0) { curBlock.addTrait(Trait.BORDER_START, bps); } bps = getBorderProps(bordProps, CommonBorderAndPadding.END); if (bps.width != 0) { curBlock.addTrait(Trait.BORDER_END, bps); } int padding = bordProps.getPadding(CommonBorderAndPadding.START, false); if (padding != 0) { curBlock.addTrait(Trait.PADDING_START, new java.lang.Integer(padding)); } padding = bordProps.getPadding(CommonBorderAndPadding.END, false); if (padding != 0) { curBlock.addTrait(Trait.PADDING_END, new java.lang.Integer(padding)); } padding = bordProps.getPadding(CommonBorderAndPadding.BEFORE, false); if (padding != 0) { curBlock.addTrait(Trait.PADDING_BEFORE, new java.lang.Integer(padding)); } padding = bordProps.getPadding(CommonBorderAndPadding.AFTER, false); if (padding != 0) { curBlock.addTrait(Trait.PADDING_AFTER, new java.lang.Integer(padding)); } } private static BorderProps getBorderProps(CommonBorderAndPadding bordProps, int side) { BorderProps bps; bps = new BorderProps(bordProps.getBorderStyle(side), bordProps.getBorderWidth(side, false), bordProps.getBorderColor(side)); return bps; } /** * Add background to an area. * Layout managers that create areas with a background can use this to * add the background to the area. * @param curBlock the current block * @param backProps the background properties */ public static void addBackground(Area curBlock, CommonBackground backProps) { Trait.Background back = new Trait.Background(); back.setColor(backProps.backColor); if (backProps.backImage != null) { back.setURL(backProps.backImage); back.setRepeat(backProps.backRepeat); if (backProps.backPosHorizontal != null) { back.setHoriz(backProps.backPosHorizontal.getValue()); } if (backProps.backPosVertical != null) { back.setVertical(backProps.backPosVertical.getValue()); } } if (back.getColor() != null || back.getURL() != null) { curBlock.addTrait(Trait.BACKGROUND, back); } } /** * Add space to a block area. * Layout managers that create block areas can use this to add space * outside of the border rectangle to the area. * @param curBlock the current block. * @param marginProps the margin properties. */ public static void addMargins(Area curBlock, CommonBorderAndPadding bpProps, CommonMarginBlock marginProps) { int spaceStart = marginProps.startIndent - bpProps.getBorderStartWidth(false) - bpProps.getPaddingStart(false); if (spaceStart != 0) { curBlock.addTrait(Trait.SPACE_START, new Integer(spaceStart)); } int spaceEnd = marginProps.endIndent - bpProps.getBorderEndWidth(false) - bpProps.getPaddingEnd(false); if (spaceEnd != 0) { curBlock.addTrait(Trait.SPACE_END, new Integer(spaceEnd)); } } public static void addBreaks(Area curArea, LayoutProps layoutProps) { curArea.addTrait(Trait.BREAK_AFTER, new Integer(layoutProps.breakAfter)); curArea.addTrait(Trait.BREAK_BEFORE, new Integer(layoutProps.breakBefore)); } }