| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 IBM Corporation 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: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.edit.util; |
| |
| import java.util.Comparator; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.epf.library.edit.PresentationContext; |
| import org.eclipse.epf.library.edit.navigator.PluginUIPackagesItemProvider; |
| import org.eclipse.epf.uma.BreakdownElement; |
| import org.eclipse.epf.uma.DescribableElement; |
| import org.eclipse.epf.uma.MethodElement; |
| import org.eclipse.epf.uma.MethodPlugin; |
| import org.eclipse.epf.uma.UmaPackage; |
| |
| import com.ibm.icu.text.Collator; |
| |
| |
| /** |
| * Collection of comparators |
| * |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public final class Comparators { |
| |
| public static final Comparator<Object> DEFAULT_COMPARATOR = new Comparator<Object>() { |
| |
| public int compare(Object o1, Object o2) { |
| if (o1 == o2) |
| return 0; |
| Collator collator = Collator.getInstance(); |
| if (o1 instanceof MethodElement && o2 instanceof MethodElement) { |
| return collator.compare(((MethodElement) o1).getName(), ((MethodElement) o2).getName()); |
| } |
| Object o1unwrap = TngUtil.unwrap(o1); |
| Object o2unwrap = TngUtil.unwrap(o2); |
| if (o1unwrap instanceof MethodElement |
| && o2unwrap instanceof MethodElement) { |
| return collator.compare(((MethodElement) o1unwrap).getName(), ((MethodElement) o2unwrap).getName()); |
| } |
| return 0; |
| } |
| |
| }; |
| |
| public static final Comparator<Object> REVERSE_DEFAULT_COMPARATOR = new Comparator<Object>() { |
| |
| public int compare(Object o1, Object o2) { |
| if (o1 == o2) |
| return 0; |
| Collator collator = Collator.getInstance(); |
| if (o1 instanceof MethodElement && o2 instanceof MethodElement) { |
| return oppositeValue(collator.compare(((MethodElement) o1).getName(), ((MethodElement) o2).getName())); |
| } |
| Object o1unwrap = TngUtil.unwrap(o1); |
| Object o2unwrap = TngUtil.unwrap(o2); |
| if (o1unwrap instanceof MethodElement |
| && o2unwrap instanceof MethodElement) { |
| return oppositeValue(collator.compare(((MethodElement) o1unwrap).getName(), ((MethodElement) o2unwrap).getName())); |
| } |
| return 0; |
| } |
| |
| }; |
| |
| private static int oppositeValue(int val) { |
| if (val != 0) { |
| val = 0 - val; |
| } |
| return val; |
| } |
| |
| |
| public static abstract class TypeComparator implements Comparator { |
| protected Comparator<Object> getDefaultComparator() { |
| return DEFAULT_COMPARATOR; |
| } |
| |
| protected abstract int getOrderId(Object obj); |
| |
| public int compare(Object o1, Object o2) { |
| o1 = TngUtil.unwrap(o1); |
| o2 = TngUtil.unwrap(o2); |
| if (o1 == o2) |
| return 0; |
| int ret = 0; |
| ret = getOrderId((EObject) o1) - getOrderId((EObject) o2); |
| if (ret == 0) { |
| return getDefaultComparator().compare(o1, o2); |
| } |
| return ret; |
| } |
| |
| } |
| |
| private static int comparePresentationName(DescribableElement e1, DescribableElement e2) { |
| Collator collator = Collator.getInstance(); |
| String name1 = e1 instanceof BreakdownElement ? ProcessUtil.getPresentationName((BreakdownElement)e1) |
| : e1.getPresentationName(); |
| if (name1.length() < 1) name1 = e1.getName(); |
| String name2 = e2 instanceof BreakdownElement ? ProcessUtil.getPresentationName((BreakdownElement)e2) |
| : e2.getPresentationName(); |
| if (name2.length() < 1) name2 = e2.getName(); |
| return collator.compare(name1, name2); |
| } |
| |
| public static final Comparator PRESENTATION_NAME_COMPARATOR = new Comparator() { |
| |
| public int compare(Object o1, Object o2) { |
| if (o1 == o2) |
| return 0; |
| if(!(o1 instanceof DescribableElement)) { |
| o1 = TngUtil.unwrap(o1); |
| if(!(o1 instanceof DescribableElement)) { |
| return 0; |
| } |
| } |
| if(!(o2 instanceof DescribableElement)) { |
| o2 = TngUtil.unwrap(o2); |
| if(!(o2 instanceof DescribableElement)) { |
| return 0; |
| } |
| } |
| return comparePresentationName((DescribableElement) o1, (DescribableElement) o2); |
| } |
| |
| }; |
| |
| public static final Comparator REVERSE_PRESENTATION_NAME_COMPARATOR = new Comparator() { |
| |
| public int compare(Object o1, Object o2) { |
| if (o1 == o2) |
| return 0; |
| if(!(o1 instanceof DescribableElement)) { |
| o1 = TngUtil.unwrap(o1); |
| if(!(o1 instanceof DescribableElement)) { |
| return 0; |
| } |
| } |
| if(!(o2 instanceof DescribableElement)) { |
| o2 = TngUtil.unwrap(o2); |
| if(!(o2 instanceof DescribableElement)) { |
| return 0; |
| } |
| } |
| return oppositeValue(comparePresentationName((DescribableElement) o1, (DescribableElement) o2)); |
| } |
| |
| }; |
| |
| public static final Comparator METHOD_TYPE_COMPARATOR = new TypeComparator() { |
| /* (non-Javadoc) |
| * @see org.eclipse.epf.library.edit.util.Comparators.TypeComparator#getDefaultComparator() |
| */ |
| protected Comparator getDefaultComparator() { |
| return PresentationContext.INSTANCE.getComparator(); |
| } |
| |
| protected int getOrderId(Object obj) { |
| if (obj instanceof MethodElement) { |
| int id = ((MethodElement) obj).eClass().getClassifierID(); |
| if (id == UmaPackage.TERM_DEFINITION) { |
| id = Integer.MAX_VALUE; |
| } |
| return id; |
| } |
| return -1; |
| } |
| }; |
| |
| /** |
| * Always sort by presentation name |
| */ |
| public static final Comparator METHOD_TYPE_PRES_NAME_COMPARATOR = new TypeComparator() { |
| /* (non-Javadoc) |
| * @see org.eclipse.epf.library.edit.util.Comparators.TypeComparator#getDefaultComparator() |
| */ |
| protected Comparator getDefaultComparator() { |
| return PresentationContext.INSTANCE.getPresNameComparator(); |
| } |
| |
| protected int getOrderId(Object obj) { |
| if (obj instanceof MethodElement) { |
| int id = ((MethodElement) obj).eClass().getClassifierID(); |
| if (id == UmaPackage.TERM_DEFINITION) { |
| id = Integer.MAX_VALUE; |
| } |
| return id; |
| } |
| return -1; |
| } |
| }; |
| |
| public static final Comparator PLUGINPACKAGE_COMPARATOR = new Comparator() { |
| |
| public int compare(Object o1, Object o2) { |
| if (o1 == o2) |
| return 0; |
| o1 = TngUtil.unwrap(o1); |
| o2 = TngUtil.unwrap(o2); |
| |
| |
| if (o1 instanceof PluginUIPackagesItemProvider && o2 instanceof MethodPlugin) { |
| return -1; |
| } |
| if (o1 instanceof MethodPlugin && o2 instanceof PluginUIPackagesItemProvider) { |
| return 1; |
| } |
| |
| boolean usePresName = PresentationContext.INSTANCE.isShowPresentationNames(); |
| String s1 = null; |
| String s2 = null; |
| if (usePresName && o1 instanceof DescribableElement) { |
| s1 = ((DescribableElement) o1).getPresentationName(); |
| } else if (o1 instanceof MethodElement) { |
| s1 = ((MethodElement) o1).getName(); |
| } else if (o1 instanceof PluginUIPackagesItemProvider) { |
| s1 = ((PluginUIPackagesItemProvider) o1).getFullName(); |
| } else if (o1 instanceof String) { |
| s1 = (String) o1; |
| } |
| |
| if (usePresName && o2 instanceof DescribableElement) { |
| s2 = ((DescribableElement) o2).getPresentationName(); |
| } else if (o2 instanceof MethodElement) { |
| s2 = ((MethodElement) o2).getName(); |
| } else if (o2 instanceof PluginUIPackagesItemProvider) { |
| s2 = ((PluginUIPackagesItemProvider) o2).getFullName(); |
| } else if (o2 instanceof String) { |
| s2 = (String) o2; |
| } |
| |
| if (s1 == null || s2 == null) { |
| return 0; |
| } |
| |
| return s1.compareToIgnoreCase(s2); |
| } |
| }; |
| |
| |
| } |