1 /* 2 * Copyright 2002 - 2007 JEuclid, http://jeuclid.sf.net 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* $Id: JEuclidElement.java,v 5c224b0fad38 2008/05/23 10:30:28 maxberger $ */ 18 19 package net.sourceforge.jeuclid.elements; 20 21 import net.sourceforge.jeuclid.LayoutContext; 22 import net.sourceforge.jeuclid.elements.support.attributes.MathVariant; 23 import net.sourceforge.jeuclid.layout.LayoutableNode; 24 25 import org.w3c.dom.mathml.MathMLElement; 26 27 /** 28 * Interface for all MathElements within JEuclid. 29 * 30 * @version $Revision: 5c224b0fad38 $ 31 */ 32 public interface JEuclidElement extends MathMLElement, JEuclidNode, 33 LayoutableNode { 34 35 /** 36 * Sets the parent of this element. 37 * 38 * @param parent 39 * Parent element 40 */ 41 void setFakeParent(final JEuclidElement parent); 42 43 /** 44 * Gets index of child element. 45 * 46 * @param element 47 * Child element. 48 * @return Index of the element, -1 if element was not found 49 */ 50 int getIndexOfMathElement(final JEuclidElement element); 51 52 /** 53 * Gets the current mathvariant. 54 * 55 * @return the current MathVariant 56 */ 57 MathVariant getMathvariantAsVariant(); 58 59 /** 60 * Returns parent of this element. 61 * 62 * @return Parent element. 63 */ 64 JEuclidElement getParent(); 65 66 /** 67 * returns true is the child has prescripts attached to it. In this case, 68 * there should be no extra space on the left. 69 * 70 * @param child 71 * child to test 72 * @return true if there are attached prescripts 73 */ 74 boolean hasChildPrescripts(final JEuclidElement child); 75 76 /** 77 * returns true is the child has postscripts attached to it. In this case, 78 * there should be no extra space on the left. 79 * 80 * @param child 81 * child to test 82 * @param context 83 * current layout context. 84 * @return true if there are attached postscripts 85 */ 86 boolean hasChildPostscripts(final JEuclidElement child, 87 LayoutContext context); 88 89 /** 90 * Returns the count of children for this element. 91 * 92 * @return number of children. 93 */ 94 int getMathElementCount(); 95 96 }