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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/swing/text/AttributeSet.java | |
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Diffstat (limited to 'libjava/classpath/javax/swing/text/AttributeSet.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/AttributeSet.java | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/AttributeSet.java b/libjava/classpath/javax/swing/text/AttributeSet.java new file mode 100644 index 000000000..a596cd4c3 --- /dev/null +++ b/libjava/classpath/javax/swing/text/AttributeSet.java @@ -0,0 +1,195 @@ +/* AttributeSet.java -- + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package javax.swing.text; + +import java.util.Enumeration; + +/** + * A set of attributes. An attribute has a key and a value. They typically + * describe features of a piece of text that make up its graphical + * representation. + * + * An <code>AttributeSet</code> may have a resolving parent, + * that is another <code>AttributeSet</code> that is searched for attribute + * keys that are not stored locally in this <code>AttributeSet</code>. + * + * @author original author unknown + * @author Roman Kennke (roman@kennke.org) + */ +public interface AttributeSet +{ + /** + * Used as keys to identify character-run attributes. + */ + static interface CharacterAttribute + { + // This interface is a marker interface and has no methods. + } + + /** + * Used as keys to identify color attributes. + */ + static interface ColorAttribute + { + // This interface is a marker interface and has no methods. + } + + /** + * Used as keys to identify font attributes. + */ + static interface FontAttribute + { + // This interface is a marker interface and has no methods. + } + + /** + * Used as keys to identify paragraph level attributes. + */ + static interface ParagraphAttribute + { + // This interface is a marker interface and has no methods. + } + + /** + * Key of the attribute that is used to describe the name of an + * <code>AttributeSet</code>. + */ + Object NameAttribute = StyleConstants.NameAttribute; + + /** + * Key of the attribute that is used to identify the resolving parent of + * an <code>AttributeSet</code>. + */ + Object ResolveAttribute = StyleConstants.ResolveAttribute; + + /** + * Returns <code>true</code> if this <code>AttributeSet</code> contains + * an attribute with the specified <code>name</code> and <code>value</code>, + * <code>false</code> otherwise. + * + * @param name the name of the requested attribute + * @param value the value of the requested attribute + * + * @return <code>true</code> if this <code>AttributeSet</code> contains + * an attribute with the specified <code>name</code> and + * <code>value</code>, <code>false</code> otherwise + */ + boolean containsAttribute(Object name, Object value); + + /** + * Returns <code>true</code> of this <code>AttributeSet</code> contains all + * of the specified <code>attributes</code>. + * + * @param attributes the requested attributes + * + * @return <code>true</code> of this <code>AttributeSet</code> contains all + * of the specified <code>attributes</code> + */ + boolean containsAttributes(AttributeSet attributes); + + /** + * Creates and returns a copy of this <code>AttributeSet</code>. + * + * @return a copy of this <code>AttributeSet</code> + */ + AttributeSet copyAttributes(); + + /** + * Returns the attribute with the specified <code>key</code> or + * <code>null</code> if no such attribute is defined in this + * <code>AttributeSet</code> and its resolving parents. + * + * @param key the key of the attribute that is looked up + * + * @return the attribute with the specified <code>key</code> or + * <code>null</code> if no such attribute is defined in this + * <code>AttributeSet</code> and its resolving parents + */ + Object getAttribute(Object key); + + /** + * Returns the number of attributes that are stored locally in this + * <code>AttributeSet</code>. + * + * @return the number of attributes that are stored locally in this + * <code>AttributeSet</code> + */ + int getAttributeCount(); + + /** + * Returns the names of the attributes that are stored in this + * <code>AttributeSet</code>. + * + * @return the names of the attributes that are stored in this + * <code>AttributeSet</code> + */ + Enumeration<?> getAttributeNames(); + + /** + * Returns the resolving parent of this <code>AttributeSet</code>. + * If a key is not stored locally, then a {@link #getAttribute(Object)} + * request is resolved up in the resolving parent of this + * <code>AttributeSet</code>. + * + * @return the resolving parent of this <code>AttributeSet</code> + */ + AttributeSet getResolveParent(); + + /** + * Returns <code>true</code> if an attribute with the specified name is + * defined locally in this <code>AttributeSet</code>, without resolving + * through the resolving parents. + * + * @return <code>true</code> if an attribute with the specified name is + * defined locally in this <code>AttributeSet</code> + */ + boolean isDefined(Object attrName); + + /** + * Returns <code>true</code> if all of the attributes in <code>attr</code> + * are equal to the attributes in this <code>AttributeSet</code>, + * <code>false</code> otherwise. + * + * @param attr the attributes to be compared to <code>this</code> + * + * @return <code>true</code> if all of the attributes in <code>attr</code> + * are equal to the attributes in this <code>AttributeSet</code>, + * <code>false</code> otherwise + */ + boolean isEqual(AttributeSet attr); +} |