org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/editors/TmfEventsEditor.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.IResource;
  16 import org.eclipse.core.runtime.CoreException;
  17 import org.eclipse.core.runtime.IProgressMonitor;
  18 import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler;
  19 import org.eclipse.linuxtools.tmf.signal.TmfTraceClosedSignal;
  20 import org.eclipse.linuxtools.tmf.signal.TmfTraceOpenedSignal;
  21 import org.eclipse.linuxtools.tmf.signal.TmfTraceParserUpdatedSignal;
  22 import org.eclipse.linuxtools.tmf.signal.TmfTraceSelectedSignal;
  23 import org.eclipse.linuxtools.tmf.trace.ITmfTrace;
  24 import org.eclipse.linuxtools.tmf.ui.parsers.ParserProviderManager;
  25 import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;
  26 import org.eclipse.linuxtools.tmf.ui.views.project.ProjectView;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.ui.IEditorInput;
  29 import org.eclipse.ui.IEditorPart;
  30 import org.eclipse.ui.IEditorSite;
  31 import org.eclipse.ui.IFileEditorInput;
  32 import org.eclipse.ui.IPropertyListener;
  33 import org.eclipse.ui.IReusableEditor;
  34 import org.eclipse.ui.PartInitException;
  35 import org.eclipse.ui.ide.FileStoreEditorInput;
  36
  37 /**
  38  * <b><u>TmfEventsEditor</u></b>
  39  */
  40 public class TmfEventsEditor extends TmfEditor implements ITmfTraceEditor, IReusableEditor, IPropertyListener {
  41
  42     public static final String ID = "org.eclipse.linuxtools.tmf.ui.editors.events";
  43
  44     private TmfEventsTable fEventsTable;
  45     private IResource fResource;
  46     private ITmfTrace fTrace;
  47     private Composite fParent;
  48
  49     @Override
  50     public void doSave(IProgressMonitor monitor) {
  51     }
  52
  53     @Override
  54     public void doSaveAs() {
  55     }
  56
  57     @Override
  58     public void init(IEditorSite site, IEditorInput input) throws PartInitException {
  59         if (input instanceof TmfEditorInput) {
  60             fResource = ((TmfEditorInput) input).getResource();
  61             fTrace = ((TmfEditorInput) input).getTrace();
  62         } else if (input instanceof IFileEditorInput) {
  63             fResource = ((IFileEditorInput) input).getFile();
  64             fTrace = ParserProviderManager.getTrace(fResource);
  65             input = new TmfEditorInput(fResource, fTrace);
  66         } else if (input instanceof FileStoreEditorInput) {
  67             try {
  68                 FileStoreEditorInput fileStoreEditorInput = (FileStoreEditorInput) input;
  69                 fResource = ProjectView.createLink(fileStoreEditorInput.getURI());
  70                 fTrace = ParserProviderManager.getTrace(fResource);
  71                 input = new TmfEditorInput(fResource, fTrace);
  72             } catch (CoreException e) {
  73                 throw new PartInitException(e.getMessage());
  74             }
  75         } else {
  76             throw new PartInitException("Invalid IEditorInput: " + input.getClass());
  77         }
  78         if (fTrace == null) {
  79             throw new PartInitException("Invalid IEditorInput: " + fResource.getName());
  80         }
  81         super.setSite(site);
  82         super.setInput(input);
  83     }
  84
  85     @Override
  86     public boolean isDirty() {
  87         return false;
  88     }
  89
  90     @Override
  91     public boolean isSaveAsAllowed() {
  92         return false;
  93     }
  94
  95     @Override
  96     public void setInput(IEditorInput input) {
  97         super.setInput(input);
  98         firePropertyChange(IEditorPart.PROP_INPUT);
  99     }
 100
 101 //    @Override
 102     @Override
 103         public void propertyChanged(Object source, int propId) {
 104         if (propId == IEditorPart.PROP_INPUT) {
 105             broadcast(new TmfTraceClosedSignal(this, fTrace));
 106             fResource = ((TmfEditorInput) getEditorInput()).getResource();
 107             fTrace = ((TmfEditorInput) getEditorInput()).getTrace();
 108             fEventsTable.dispose();
 109             if (fTrace != null) {
 110                 fEventsTable = createEventsTable(fParent, fTrace.getCacheSize());
 111                 fEventsTable.setTrace(fTrace, true);
 112                 broadcast(new TmfTraceOpenedSignal(this, fTrace));
 113             } else {
 114                 fEventsTable = new TmfEventsTable(fParent, 0);
 115             }
 116             fParent.layout();
 117         }
 118     }
 119
 120     @Override
 121     public void createPartControl(Composite parent) {
 122         fParent = parent;
 123         setPartName(getEditorInput().getName());
 124         if (fTrace != null) {
 125             fEventsTable = createEventsTable(parent, fTrace.getCacheSize());
 126             fEventsTable.setTrace(fTrace, true);
 127             broadcast(new TmfTraceOpenedSignal(this, fTrace));
 128         } else {
 129             fEventsTable = new TmfEventsTable(parent, 0);
 130         }
 131         addPropertyListener(this);
 132     }
 133
 134     @Override
 135     public void dispose() {
 136         removePropertyListener(this);
 137         if (fTrace != null) {
 138             broadcast(new TmfTraceClosedSignal(this, fTrace));
 139         }
 140         if (fEventsTable != null) {
 141             fEventsTable.dispose();
 142         }
 143         super.dispose();
 144     }
 145
 146     protected TmfEventsTable createEventsTable(Composite parent, int cacheSize) {
 147         TmfEventsTable eventsTable = ParserProviderManager.getEventsTable(fTrace, parent, cacheSize);
 148         if (eventsTable == null) {
 149             eventsTable = new TmfEventsTable(parent, cacheSize);
 150         }
 151         return eventsTable;
 152     }
 153
 154 //    @Override
 155     @Override
 156         public ITmfTrace getTrace() {
 157         return fTrace;
 158     }
 159
 160     @Override
 161     public void setFocus() {
 162         fEventsTable.setFocus();
 163         if (fTrace != null) {
 164             broadcast(new TmfTraceSelectedSignal(this, fTrace));
 165         }
 166     }
 167
 168     // ------------------------------------------------------------------------
 169     // Signal handlers
 170     // ------------------------------------------------------------------------
 171
 172     @TmfSignalHandler
 173     public void traceParserUpdated(TmfTraceParserUpdatedSignal signal) {
 174         if (signal.getTraceResource().equals(fResource)) {
 175             broadcast(new TmfTraceClosedSignal(this, fTrace));
 176             fTrace = ParserProviderManager.getTrace(fResource);
 177             fEventsTable.dispose();
 178             if (fTrace != null) {
 179                 fEventsTable = createEventsTable(fParent, fTrace.getCacheSize());
 180                 fEventsTable.setTrace(fTrace, true);
 181                 broadcast(new TmfTraceOpenedSignal(this, fTrace));
 182             } else {
 183                 fEventsTable = new TmfEventsTable(fParent, 0);
 184             }
 185             fParent.layout();
 186         }
 187     }
 188
 189     @TmfSignalHandler
 190     public void traceSelected(TmfTraceSelectedSignal signal) {
 191         if (signal.getSource() != this && signal.getTrace().equals(fTrace)) {
 192             getSite().getPage().bringToTop(this);
 193         }
 194     }
 195
 196 }