org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/editors/TmfEditorInput.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.editors;
  14
  15 import org.eclipse.core.resources.IFile;
  16 import org.eclipse.core.runtime.content.IContentType;
  17 import org.eclipse.jface.resource.ImageDescriptor;
  18 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  19 import org.eclipse.ui.IEditorInput;
  20 import org.eclipse.ui.IPersistableElement;
  21 import org.eclipse.ui.PlatformUI;
  22 import org.eclipse.ui.ide.IDE;
  23
  24 /**
  25  * The input interface for TMF editors.
  26  *
  27  * @version 1.0
  28  * @author Patrick Tasse
  29  */
  30 public class TmfEditorInput implements IEditorInput {
  31
  32     private final IFile fFile;
  33     private final ITmfTrace fTrace;
  34
  35     /**
  36      * Standard constructor
  37      *
  38      * @param file The IFile pointer
  39      * @param trace Reference to the trace
  40      */
  41     public TmfEditorInput(IFile file, ITmfTrace trace) {
  42         fFile = file;
  43         fTrace = trace;
  44     }
  45
  46     @Override
  47         public Object getAdapter(Class adapter) {
  48         return null;
  49     }
  50
  51     @Override
  52         public boolean exists() {
  53         return fFile.exists();
  54     }
  55
  56     @Override
  57         public ImageDescriptor getImageDescriptor() {
  58         IContentType contentType = IDE.getContentType(fFile);
  59         return PlatformUI.getWorkbench().getEditorRegistry()
  60                 .getImageDescriptor(fFile.getName(), contentType);
  61     }
  62
  63     @Override
  64         public String getName() {
  65         return fTrace.getName();
  66     }
  67
  68     @Override
  69         public IPersistableElement getPersistable() {
  70         return null;
  71     }
  72
  73     @Override
  74         public String getToolTipText() {
  75         return fFile.getFullPath().makeRelative().toString();
  76     }
  77
  78     /**
  79      * Get this editor input's file object
  80      *
  81      * @return The IFile
  82      */
  83     public IFile getFile() {
  84         return fFile;
  85     }
  86
  87     /**
  88      * Get this editor input's trace
  89      *
  90      * @return The trace
  91      */
  92     public ITmfTrace getTrace() {
  93         return fTrace;
  94     }
  95
  96     /* (non-Javadoc)
  97      * @see java.lang.Object#hashCode()
  98      */
  99     @Override
 100     public int hashCode() {
 101         final int prime = 31;
 102         int result = 1;
 103         result = prime * result + ((fFile == null) ? 0 : fFile.getLocation().hashCode());
 104         result = prime * result + ((fTrace == null) ? 0 : fTrace.getName().hashCode());
 105         return result;
 106     }
 107
 108     /* (non-Javadoc)
 109      * @see java.lang.Object#equals(java.lang.Object)
 110      */
 111     @Override
 112     public boolean equals(Object obj) {
 113         if (this == obj) {
 114             return true;
 115         }
 116         if (obj == null) {
 117             return false;
 118         }
 119         if (getClass() != obj.getClass()) {
 120             return false;
 121         }
 122         TmfEditorInput other = (TmfEditorInput) obj;
 123         if (fFile == null) {
 124             if (other.fFile != null) {
 125                 return false;
 126             }
 127         } else if (!fFile.getLocation().equals(other.fFile.getLocation())) {
 128             return false;
 129         }
 130         if (fTrace == null) {
 131             if (other.fTrace != null) {
 132                 return false;
 133             }
 134         } else if (!fTrace.getName().equals(other.fTrace.getName())) {
 135             return false;
 136         }
 137         return true;
 138     }
 139
 140 }