2010-10-26 Francois Chouinard <fchouinard@gmail.com> Contribution for Bug309042

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / editors / TmfEventsEditor.java

/*******************************************************************************\r
 * Copyright (c) 2010 Ericsson\r
 * \r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 * \r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.ui.editors;\r
\r
import org.eclipse.core.resources.IResource;\r
import org.eclipse.core.runtime.CoreException;\r
import org.eclipse.core.runtime.IProgressMonitor;\r
import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler;\r
import org.eclipse.linuxtools.tmf.signal.TmfTraceClosedSignal;\r
import org.eclipse.linuxtools.tmf.signal.TmfTraceOpenedSignal;\r
import org.eclipse.linuxtools.tmf.signal.TmfTraceParserUpdatedSignal;\r
import org.eclipse.linuxtools.tmf.signal.TmfTraceSelectedSignal;\r
import org.eclipse.linuxtools.tmf.trace.ITmfTrace;\r
import org.eclipse.linuxtools.tmf.ui.parsers.ParserProviderManager;\r
import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;\r
import org.eclipse.linuxtools.tmf.ui.views.project.ProjectView;\r
import org.eclipse.swt.widgets.Composite;\r
import org.eclipse.ui.IEditorInput;\r
import org.eclipse.ui.IEditorPart;\r
import org.eclipse.ui.IEditorSite;\r
import org.eclipse.ui.IFileEditorInput;\r
import org.eclipse.ui.IPropertyListener;\r
import org.eclipse.ui.IReusableEditor;\r
import org.eclipse.ui.PartInitException;\r
import org.eclipse.ui.ide.FileStoreEditorInput;\r
\r
/**\r
 * <b><u>TmfEventsEditor</u></b>\r
 */\r
public class TmfEventsEditor extends TmfEditor implements ITmfTraceEditor, IReusableEditor, IPropertyListener {\r
\r
    public static final String ID = "org.eclipse.linuxtools.tmf.ui.editors.events";\r
    \r
    private TmfEventsTable fEventsTable;\r
    private IResource fResource;\r
    private ITmfTrace fTrace;\r
    private Composite fParent;\r
\r
    @Override\r
    public void doSave(IProgressMonitor monitor) {\r
    }\r
\r
    @Override\r
    public void doSaveAs() {\r
    }\r
\r
    @Override\r
    public void init(IEditorSite site, IEditorInput input) throws PartInitException {\r
        if (input instanceof TmfEditorInput) {\r
            fResource = ((TmfEditorInput) input).getResource();\r
            fTrace = ((TmfEditorInput) input).getTrace();\r
        } else if (input instanceof IFileEditorInput) {\r
            fResource = ((IFileEditorInput) input).getFile();\r
            fTrace = ParserProviderManager.getTrace(fResource);\r
            input = new TmfEditorInput(fResource, fTrace);\r
        } else if (input instanceof FileStoreEditorInput) {\r
            try {\r
                FileStoreEditorInput fileStoreEditorInput = (FileStoreEditorInput) input;\r
                fResource = ProjectView.createLink(fileStoreEditorInput.getURI());\r
                fTrace = ParserProviderManager.getTrace(fResource);\r
                input = new TmfEditorInput(fResource, fTrace);\r
            } catch (CoreException e) {\r
                throw new PartInitException(e.getMessage());\r
            }\r
        } else {\r
            throw new PartInitException("Invalid IEditorInput: " + input.getClass());\r
        }\r
        if (fTrace == null) {\r
            throw new PartInitException("Invalid IEditorInput: " + fResource.getName());\r
        }\r
        super.setSite(site);\r
        super.setInput(input);\r
    }\r
\r
    @Override\r
    public boolean isDirty() {\r
        return false;\r
    }\r
\r
    @Override\r
    public boolean isSaveAsAllowed() {\r
        return false;\r
    }\r
\r
    @Override\r
    public void setInput(IEditorInput input) {\r
        super.setInput(input);\r
        firePropertyChange(IEditorPart.PROP_INPUT);\r
    }\r
\r
//    @Override\r
    @Override\r
	public void propertyChanged(Object source, int propId) {\r
        if (propId == IEditorPart.PROP_INPUT) {\r
            broadcast(new TmfTraceClosedSignal(this, fTrace));\r
            fResource = ((TmfEditorInput) getEditorInput()).getResource();\r
            fTrace = ((TmfEditorInput) getEditorInput()).getTrace();\r
            fEventsTable.dispose();\r
            if (fTrace != null) {\r
                fEventsTable = createEventsTable(fParent, fTrace.getCacheSize());\r
                fEventsTable.setTrace(fTrace, true);\r
                broadcast(new TmfTraceOpenedSignal(this, fTrace));\r
            } else {\r
                fEventsTable = new TmfEventsTable(fParent, 0);\r
            }\r
            fParent.layout();\r
        }\r
    }\r
\r
    @Override\r
    public void createPartControl(Composite parent) {\r
        fParent = parent;\r
        setPartName(getEditorInput().getName());\r
        if (fTrace != null) {\r
            fEventsTable = createEventsTable(parent, fTrace.getCacheSize());\r
            fEventsTable.setTrace(fTrace, true);\r
            broadcast(new TmfTraceOpenedSignal(this, fTrace));\r
        } else {\r
            fEventsTable = new TmfEventsTable(parent, 0);\r
        }\r
        addPropertyListener(this);\r
    }\r
\r
    @Override\r
    public void dispose() {\r
        removePropertyListener(this);\r
        if (fTrace != null) {\r
            broadcast(new TmfTraceClosedSignal(this, fTrace));\r
        }\r
        if (fEventsTable != null) {\r
            fEventsTable.dispose();\r
        }\r
        super.dispose();\r
    }\r
\r
    protected TmfEventsTable createEventsTable(Composite parent, int cacheSize) {\r
        TmfEventsTable eventsTable = ParserProviderManager.getEventsTable(fTrace, parent, cacheSize);\r
        if (eventsTable == null) {\r
            eventsTable = new TmfEventsTable(parent, cacheSize);\r
        }\r
        return eventsTable;\r
    }\r
    \r
//    @Override\r
    @Override\r
	public ITmfTrace getTrace() {\r
        return fTrace;\r
    }\r
\r
    @Override\r
    public void setFocus() {\r
        fEventsTable.setFocus();\r
        if (fTrace != null) {\r
            broadcast(new TmfTraceSelectedSignal(this, fTrace));\r
        }\r
    }\r
\r
    // ------------------------------------------------------------------------\r
    // Signal handlers\r
    // ------------------------------------------------------------------------\r
    \r
    @TmfSignalHandler\r
    public void traceParserUpdated(TmfTraceParserUpdatedSignal signal) {\r
        if (signal.getTraceResource().equals(fResource)) {\r
            broadcast(new TmfTraceClosedSignal(this, fTrace));\r
            fTrace = ParserProviderManager.getTrace(fResource);\r
            fEventsTable.dispose();\r
            if (fTrace != null) {\r
                fEventsTable = createEventsTable(fParent, fTrace.getCacheSize());\r
                fEventsTable.setTrace(fTrace, true);\r
                broadcast(new TmfTraceOpenedSignal(this, fTrace));\r
            } else {\r
                fEventsTable = new TmfEventsTable(fParent, 0);\r
            }\r
            fParent.layout();\r
        }\r
    }\r
\r
    @TmfSignalHandler\r
    public void traceSelected(TmfTraceSelectedSignal signal) {\r
        if (signal.getSource() != this && signal.getTrace().equals(fTrace)) {\r
            getSite().getPage().bringToTop(this);\r
        }\r
    }\r
\r
}\r