net.sourceforge.phpeclipse.ui/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.ui.WebUI;
  17 //import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  18
  19 import org.eclipse.core.resources.IFolder;
  20 import org.eclipse.core.resources.IProject;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.core.runtime.IPath;
  23 import org.eclipse.jface.viewers.Viewer;
  24 import org.eclipse.jface.viewers.ViewerFilter;
  25
  26 /**
  27  * Filters out all output folders.
  28  * <p>
  29  * Note: Folder which are direct children of a Java element are already filtered
  30  * by the Java Model.
  31  * </p>
  32  *
  33  * @since 3.0
  34  */
  35 public class OutputFolderFilter extends ViewerFilter {
  36
  37         /**
  38          * Returns the result of this filter, when applied to the given element.
  39          *
  40          * @param element
  41          *            the element to test
  42          * @return <code>true</code> if element should be included
  43          * @since 3.0
  44          */
  45         public boolean select(Viewer viewer, Object parent, Object element) {
  46                 if (element instanceof IFolder) {
  47                         IFolder folder = (IFolder) element;
  48                         IProject proj = folder.getProject();
  49                         try {
  50                                 if (!proj.hasNature(WebUI.PHP_NATURE_ID))
  51                                         return true;
  52
  53                                 IJavaProject jProject = JavaCore.create(folder.getProject());
  54                                 if (jProject == null || !jProject.exists())
  55                                         return true;
  56
  57                                 // Check default output location
  58                                 IPath defaultOutputLocation = jProject.getOutputLocation();
  59                                 IPath folderPath = folder.getFullPath();
  60                                 if (defaultOutputLocation != null
  61                                                 && defaultOutputLocation.equals(folderPath))
  62                                         return false;
  63
  64                                 // Check output location for each class path entry
  65                                 IClasspathEntry[] cpEntries = jProject.getRawClasspath();
  66                                 for (int i = 0, length = cpEntries.length; i < length; i++) {
  67                                         IPath outputLocation = cpEntries[i].getOutputLocation();
  68                                         if (outputLocation != null
  69                                                         && outputLocation.equals(folderPath))
  70                                                 return false;
  71                                 }
  72                         } catch (CoreException ex) {
  73                                 return true;
  74                         }
  75                 }
  76                 return true;
  77         }
  78 }