/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.pi.call;

import java.io.File;

import java.util.ArrayList;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Event;

import org.eclipse.ui.PlatformUI;

import org.osgi.framework.BundleContext;

import com.nokia.carbide.cpp.internal.pi.analyser.NpiInstanceRepository;

import com.nokia.carbide.cpp.internal.pi.analyser.ProfileVisualiser;

import com.nokia.carbide.cpp.internal.pi.interfaces.IToolBarActionListener;

import com.nokia.carbide.cpp.internal.pi.model.GenericTrace;

import com.nokia.carbide.cpp.internal.pi.model.ParsedTraceData;

import com.nokia.carbide.cpp.internal.pi.plugin.model.AbstractPiPlugin;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IClassReplacer;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IEventListener;

import com.nokia.carbide.cpp.internal.pi.plugin.model.ITrace;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IVisualizable;

import com.nokia.carbide.cpp.internal.pi.test.AnalysisInfoHandler;

import com.nokia.carbide.cpp.internal.pi.visual.GenericTraceGraph;

import com.nokia.carbide.cpp.internal.pi.visual.GraphDrawRequest;

import com.nokia.carbide.cpp.pi.call.GfcFunctionItem.GfcFunctionItemData;

import com.nokia.carbide.cpp.pi.editors.PIPageEditor;

import com.nokia.carbide.cpp.pi.util.GeneralMessages;

/**

 * The main plugin class to be used in the desktop.

 */

public class CallPlugin extends AbstractPiPlugin

		implements ITrace, IClassReplacer, IVisualizable, IEventListener, IToolBarActionListener

{

	private static final String HELP_CONTEXT_ID = PIPageEditor.PI_ID + ".call";  //$NON-NLS-1$

	// the shared instance

	private static CallPlugin plugin;

	// page index assigned to the page displaying call info

	private int pageIndex = PIPageEditor.NEXT_AVAILABLE_PAGE;

	// call trace

	private GfcTrace trace;

	// call page

	private ProfileVisualiser profileVisualiser;

	// call table handler

	private CallVisualiser callVisualiser;

	private static void setPlugin(CallPlugin newPlugin)

	{

		plugin = newPlugin;

	}

	/**

	 * The constructor.

	 */

	public CallPlugin() {

		super();

		setPlugin(this);

	}

	public Class getTraceClass() 

	{

		return GfcTrace.class;

	}

	public Class getReplacedClass(String className)

	{

		if (   className.indexOf("com.nokia.carbide.cpp.pi.call.GfcTrace") != -1 //$NON-NLS-1$

			|| className.indexOf("com.nokia.carbide.pi.call.GfcTrace") != -1 //$NON-NLS-1$

			|| className.indexOf("fi.vtt.bappea.model.GfcTrace") != -1 //$NON-NLS-1$

			|| className.indexOf("fi.vtt.bappea.gfcTracePlugin.GfcTrace") != -1) //$NON-NLS-1$

		{

			return GfcTrace.class;

		}

		else if (   className.indexOf("com.nokia.carbide.cpp.pi.call.GfcSample") != -1 //$NON-NLS-1$

				 || className.indexOf("com.nokia.carbide.pi.call.GfcSample") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.model.GfcSample") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.gfcTracePlugin.GfcSample") != -1) //$NON-NLS-1$

		{

			return GfcSample.class;

		}

		else if (   className.indexOf("com.nokia.carbide.cpp.pi.call.GfcFunctionItem$GfcFunctionItemData") != -1 //$NON-NLS-1$

				 || className.indexOf("com.nokia.carbide.pi.call.GfcFunctionItem$GfcFunctionItemData") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.gfcTracePlugin.GfcFunctionItem$GfcFunctionItemData") != -1) //$NON-NLS-1$

		{

			return GfcFunctionItemData.class;

		}

		else if (   className.indexOf("com.nokia.carbide.cpp.pi.call.GfcFunctionItem") != -1 //$NON-NLS-1$

				 || className.indexOf("com.nokia.carbide.pi.call.GfcFunctionItem") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.analyser.GfcFunctionItem") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.gfcTracePlugin.GfcFunctionItem") != -1) //$NON-NLS-1$

		{

			return GfcFunctionItem.class;

		}

		else 

		{

			return null;

		}

	}

	public void initialiseTrace(GenericTrace trace) 

	{

		if (!(trace instanceof GfcTrace))

			return;

		this.trace = (GfcTrace) trace;

		this.trace.samples.trimToSize();

		this.trace.getCompleteGfcTrace().trimToSize();

		NpiInstanceRepository.getInstance().activeUidAddTrace("com.nokia.carbide.cpp.pi.call", trace); //$NON-NLS-1$

	  	/*

	  	 * Check if the trace is complete (first sample is at time 1,

	  	 * sample N is at time N)

	  	 */

		this.trace.setComplete();

		ArrayList<CallVisualiser>    callVisualiserList    = new ArrayList<CallVisualiser>();

		NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.callVisualiserList", callVisualiserList);	//$NON-NLS-1$

		ArrayList<ProfileVisualiser> profileVisualiserList = new ArrayList<ProfileVisualiser>();

		NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.profileVisualiserList", profileVisualiserList);	//$NON-NLS-1$

	}

	public String getTraceName() {

		return "Function Call"; //$NON-NLS-1$

	}

	public int getTraceId() {

		return 2;

	}

	public ParsedTraceData parseTraceFile(File file /*, ProgressBar progressBar*/) throws Exception 

	{

        GfcTraceParser gfcParser;

        gfcParser = new GfcTraceParser();

        return gfcParser.parse(file);

	}

	/**

	 * This method is called upon plug-in activation

	 */

	public void start(BundleContext context) throws Exception {

		super.start(context);

	}

	/**

	 * This method is called when the plug-in is stopped

	 */

	public void stop(BundleContext context) throws Exception {

		super.stop(context);

		setPlugin(null);

	}

	/**

	 * Returns the shared instance.

	 */

	public static CallPlugin getDefault() {

		return plugin;

	}

	/**

	 * Returns an image descriptor for the image file at the given

	 * plug-in relative path.

	 *

	 * @param path the path

	 * @return the image descriptor

	 */

	public static ImageDescriptor getImageDescriptor(String path) {

		return AbstractPiPlugin.imageDescriptorFromPlugin("com.nokia.carbide.cpp.pi.call", path); //$NON-NLS-1$

	}

	boolean pagesCreated = false;

	// return whether this plugin's editor pages have been created

	public boolean arePagesCreated() {

		return this.pagesCreated;

	}

	// set whether this plugin's editor pages have been created

	public void setPagesCreated(boolean pagesCreated) {

		this.pagesCreated = pagesCreated;

	}

	// number of editor pages to create

	public int getCreatePageCount() {

		return 1;

	}

	// editor page index for each created editor page

	public int getCreatePageIndex(int index) {

		return PIPageEditor.NEXT_AVAILABLE_PAGE;

	}

	// page index actually assigned to a created page

	public void setPageIndex(int index, int pageIndex) {

		if (index == 0)

			this.pageIndex = pageIndex;

	}

	// create the page(s)

	public ProfileVisualiser createPage(int index) {

		Composite parent = NpiInstanceRepository.getInstance().activeUidGetParentComposite();

		if (parent == null) {

			// no parent composite is only for temp instance used by non-GUI importer

			GeneralMessages.showErrorMessage(Messages.getString("CallPlugin.0")); //$NON-NLS-1$

			return null;

		}

		// there is one page, with no graph

		this.profileVisualiser = new ProfileVisualiser(ProfileVisualiser.TOP_ONLY, parent,

														Messages.getString("CallPlugin.functionCalls")); //$NON-NLS-1$

		AnalysisInfoHandler infoHandler = NpiInstanceRepository.getInstance().activeUidGetAnalysisInfoHandler();

		this.profileVisualiser.getParserRepository().setPIAnalysisInfoHandler(infoHandler);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(profileVisualiser.getContentPane(),

														HELP_CONTEXT_ID + ".functionCallsPageContext"); //$NON-NLS-1$

		PIPageEditor pageEditor = PIPageEditor.currentPageEditor();

		this.callVisualiser = new CallVisualiser(pageEditor, pageIndex, profileVisualiser.getTopComposite().getSashForm(), this.trace);

		this.profileVisualiser.getTitle().setText(Messages.getString("CallPlugin.functionCallAnalysis")); //$NON-NLS-1$

		this.profileVisualiser.getTitle().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));

		this.profileVisualiser.getTitle().setFont(PIPageEditor.helvetica_12);

		this.profileVisualiser.getTitle2().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));

		this.profileVisualiser.getTimeString().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));

		this.profileVisualiser.getTimeString().setFont(PIPageEditor.helvetica_10);

		Object objCallList = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.callVisualiserList"); //$NON-NLS-1$

		ArrayList<CallVisualiser> callVisualiserList = (ArrayList<CallVisualiser>) objCallList;

		Object objProfileList = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.profileVisualiserList"); //$NON-NLS-1$

		ArrayList<ProfileVisualiser> profileVisualiserList = (ArrayList<ProfileVisualiser>) objProfileList;

		if (callVisualiserList != null)

			callVisualiserList.add(this.callVisualiser);

		if (profileVisualiserList != null)

			profileVisualiserList.add(this.profileVisualiser);

		return this.profileVisualiser;

	}

	// number of graphs supplied by this plugin

	public int getGraphCount() {

		return 0;

	}

	// page number of each graph supplied by this plugin

	public int getPageNumber(int graphIndex) {

		Object objCallList = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.callVisualiserList");	//$NON-NLS-1$

		ArrayList<CallVisualiser> callVisualiserList = (ArrayList<CallVisualiser>) objCallList;

		if (callVisualiserList == null)

			return this.pageIndex;

		for (int i = 0; i < callVisualiserList.size(); i++) {

			if (callVisualiserList.get(i).getPageEditor() == PIPageEditor.currentPageEditor())

				return callVisualiserList.get(i).getPageIndex();

		}

		return this.pageIndex;

	}

	public GenericTraceGraph getTraceGraph(int graphIndex) {

		return null;

	}

	public Integer getLastSample(int graphIndex) {

		return null;

	}

	public GraphDrawRequest getDrawRequest(int graphIndex) {

		return null;

	}

	public void receiveEvent(String action, Event event) {

		Object objCallList = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.callVisualiserList");	//$NON-NLS-1$

		ArrayList<CallVisualiser> callVisualiserList = (ArrayList<CallVisualiser>) objCallList;

		if (callVisualiserList == null)

			return;

		Object objProfileList = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.call.CallPlugin.profileVisualiserList");	//$NON-NLS-1$

		ArrayList<ProfileVisualiser> profileVisualiserList = (ArrayList<ProfileVisualiser>) objProfileList;

		if (profileVisualiserList == null)

			return;

		if (action.equals("changeSelection")) { //$NON-NLS-1$

			// find the right callVisualiser and ProfileVisualiser

			for (int i = 0; i < callVisualiserList.size(); i++) {

				if (callVisualiserList.get(i).getPageEditor() == PIPageEditor.currentPageEditor()) {

					callVisualiserList.get(i).setStartAndEnd(event.start, event.end);

					double startTime = PIPageEditor.currentPageEditor().getStartTime();

					double endTime   = PIPageEditor.currentPageEditor().getEndTime();

					profileVisualiserList.get(i).getTimeString().setText(ProfileVisualiser.getTimeInterval(startTime, endTime));

				}

			}

		}

	}

	/* (non-Javadoc)

	 * @see com.nokia.carbide.cpp.internal.pi.plugin.model.IVisualizable#getGraphTitle(int)

	 */

	public String getGraphTitle(int graphIndex) {

		return null;

	}

	public void setActions(boolean entering, int pageIndex) {

		if (pageIndex != this.pageIndex)

			return;

		if (entering) {

			PIPageEditor.getZoomInAction().setEnabled(false);

			PIPageEditor.getZoomOutAction().setEnabled(false);

			PIPageEditor.getZoomToSelectionAction().setEnabled(false);

			PIPageEditor.getZoomToTraceAction().setEnabled(false);

		} else {

			PIPageEditor.getZoomInAction().setEnabled(true);

			PIPageEditor.getZoomOutAction().setEnabled(true);

			PIPageEditor.getZoomToSelectionAction().setEnabled(true);

			PIPageEditor.getZoomToTraceAction().setEnabled(true);

		}

	}

}