net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/filters/OutputFolderFilter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.ui.filters;
  12
  13 import net.sourceforge.phpdt.core.IClasspathEntry;
  14 import net.sourceforge.phpdt.core.IJavaProject;
  15 import net.sourceforge.phpdt.core.JavaCore;
  16 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  17
  18 import org.eclipse.core.resources.IFolder;
  19 import org.eclipse.core.resources.IProject;
  20 import org.eclipse.core.runtime.CoreException;
  21 import org.eclipse.core.runtime.IPath;
  22 import org.eclipse.jface.viewers.Viewer;
  23 import org.eclipse.jface.viewers.ViewerFilter;
  24
  25 /**
  26  * Filters out all output folders.
  27  * <p>
  28  * Note: Folder which are direct children of a Java element are already filtered
  29  * by the Java Model.
  30  * </p>
  31  *
  32  * @since 3.0
  33  */
  34 public class OutputFolderFilter extends ViewerFilter {
  35
  36         /**
  37          * Returns the result of this filter, when applied to the given element.
  38          *
  39          * @param element
  40          *            the element to test
  41          * @return <code>true</code> if element should be included
  42          * @since 3.0
  43          */
  44         public boolean select(Viewer viewer, Object parent, Object element) {
  45                 if (element instanceof IFolder) {
  46                         IFolder folder = (IFolder) element;
  47                         IProject proj = folder.getProject();
  48                         try {
  49                                 if (!proj.hasNature(PHPeclipsePlugin.PHP_NATURE_ID))
  50                                         return true;
  51
  52                                 IJavaProject jProject = JavaCore.create(folder.getProject());
  53                                 if (jProject == null || !jProject.exists())
  54                                         return true;
  55
  56                                 // Check default output location
  57                                 IPath defaultOutputLocation = jProject.getOutputLocation();
  58                                 IPath folderPath = folder.getFullPath();
  59                                 if (defaultOutputLocation != null
  60                                                 && defaultOutputLocation.equals(folderPath))
  61                                         return false;
  62
  63                                 // Check output location for each class path entry
  64                                 IClasspathEntry[] cpEntries = jProject.getRawClasspath();
  65                                 for (int i = 0, length = cpEntries.length; i < length; i++) {
  66                                         IPath outputLocation = cpEntries[i].getOutputLocation();
  67                                         if (outputLocation != null
  68                                                         && outputLocation.equals(folderPath))
  69                                                 return false;
  70                                 }
  71                         } catch (CoreException ex) {
  72                                 return true;
  73                         }
  74                 }
  75                 return true;
  76         }
  77 }