| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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 API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.wizards.buildpaths; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.core.runtime.IPath; |
| |
| import org.eclipse.jdt.core.IClasspathAttribute; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| |
| import org.eclipse.jdt.ui.wizards.ClasspathAttributeConfiguration; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| public abstract class BuildPathBasePage { |
| |
| private final ClasspathAttributeConfigurationDescriptors fAttributeDescriptors; |
| |
| public BuildPathBasePage() { |
| fAttributeDescriptors= JavaPlugin.getDefault().getClasspathAttributeConfigurationDescriptors(); |
| } |
| |
| protected boolean editCustomAttribute(Shell shell, CPListElementAttribute elem) { |
| ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey()); |
| if (config != null) { |
| IClasspathAttribute result= config.performEdit(shell, elem.getClasspathAttributeAccess()); |
| if (result != null) { |
| elem.setValue(result.getValue()); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| protected boolean removeCustomAttribute(CPListElementAttribute elem) { |
| ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey()); |
| if (config != null) { |
| IClasspathAttribute result= config.performRemove(elem.getClasspathAttributeAccess()); |
| if (result != null) { |
| elem.setValue(result.getValue()); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| protected boolean canEditCustomAttribute(CPListElementAttribute elem) { |
| ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey()); |
| if (config != null) { |
| return config.canEdit(elem.getClasspathAttributeAccess()); |
| } |
| return false; |
| } |
| |
| protected boolean canRemoveCustomAttribute(CPListElementAttribute elem) { |
| ClasspathAttributeConfiguration config= fAttributeDescriptors.get(elem.getKey()); |
| if (config != null) { |
| return config.canRemove(elem.getClasspathAttributeAccess()); |
| } |
| return false; |
| } |
| |
| |
| public abstract List<?> getSelection(); |
| public abstract void setSelection(List<?> selection, boolean expand); |
| |
| |
| /** |
| * Adds an element to the page |
| * |
| * @param element the element to add |
| */ |
| public void addElement(CPListElement element) { |
| // default implementation does nothing |
| } |
| |
| public abstract boolean isEntryKind(int kind); |
| |
| protected void filterAndSetSelection(List<?> list) { |
| ArrayList<Object> res= new ArrayList<Object>(list.size()); |
| for (int i= list.size()-1; i >= 0; i--) { |
| Object curr= list.get(i); |
| if (curr instanceof CPListElement) { |
| CPListElement elem= (CPListElement) curr; |
| if (elem.getParentContainer() == null && isEntryKind(elem.getEntryKind())) { |
| res.add(curr); |
| } |
| } |
| } |
| setSelection(res, false); |
| } |
| |
| public static void fixNestingConflicts(CPListElement[] newEntries, CPListElement[] existing, Set<CPListElement> modifiedSourceEntries) { |
| for (int i= 0; i < newEntries.length; i++) { |
| addExclusionPatterns(newEntries[i], existing, modifiedSourceEntries); |
| } |
| } |
| |
| private static void addExclusionPatterns(CPListElement newEntry, CPListElement[] existing, Set<CPListElement> modifiedEntries) { |
| IPath entryPath= newEntry.getPath(); |
| for (int i= 0; i < existing.length; i++) { |
| CPListElement curr= existing[i]; |
| if (curr.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| IPath currPath= curr.getPath(); |
| if (!currPath.equals(entryPath)) { |
| if (currPath.isPrefixOf(entryPath)) { |
| if (addToExclusions(entryPath, curr)) { |
| modifiedEntries.add(curr); |
| } |
| } else if (entryPath.isPrefixOf(currPath) && newEntry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| if (addToExclusions(currPath, newEntry)) { |
| modifiedEntries.add(curr); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private static boolean addToExclusions(IPath entryPath, CPListElement curr) { |
| IPath[] exclusionFilters= (IPath[]) curr.getAttribute(CPListElement.EXCLUSION); |
| if (!JavaModelUtil.isExcludedPath(entryPath, exclusionFilters)) { |
| IPath pathToExclude= entryPath.removeFirstSegments(curr.getPath().segmentCount()).addTrailingSeparator(); |
| IPath[] newExclusionFilters= new IPath[exclusionFilters.length + 1]; |
| System.arraycopy(exclusionFilters, 0, newExclusionFilters, 0, exclusionFilters.length); |
| newExclusionFilters[exclusionFilters.length]= pathToExclude; |
| curr.setAttribute(CPListElement.EXCLUSION, newExclusionFilters); |
| return true; |
| } |
| return false; |
| } |
| |
| protected boolean containsOnlyTopLevelEntries(List<?> selElements) { |
| if (selElements.size() == 0) { |
| return true; |
| } |
| for (int i= 0; i < selElements.size(); i++) { |
| Object elem= selElements.get(i); |
| if (elem instanceof CPListElement) { |
| if (((CPListElement) elem).getParentContainer() != null) { |
| return false; |
| } |
| } else { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public abstract void init(IJavaProject javaProject); |
| |
| public abstract Control getControl(Composite parent); |
| |
| public abstract void setFocus(); |
| |
| } |