/*

* 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 "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.s60tools.imaker.internal.viewers;

import java.io.File;

import java.util.List;

import java.util.regex.Pattern;

import org.eclipse.emf.common.util.EList;

import org.eclipse.jface.resource.ImageRegistry;

import org.eclipse.jface.viewers.ColumnLabelProvider;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.jface.viewers.IStructuredContentProvider;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.jface.viewers.TableViewer;

import org.eclipse.jface.viewers.TableViewerColumn;

import org.eclipse.jface.viewers.Viewer;

import org.eclipse.jface.window.Window;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CTabFolder;

import org.eclipse.swt.custom.CTabItem;

import org.eclipse.swt.events.KeyEvent;

import org.eclipse.swt.events.KeyListener;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Table;

import com.nokia.s60tools.imaker.IMakerPlugin;

import com.nokia.s60tools.imaker.IMakerKeyConstants;

import com.nokia.s60tools.imaker.Messages;

import com.nokia.s60tools.imaker.UIConfiguration;

import com.nokia.s60tools.imaker.UITarget;

import com.nokia.s60tools.imaker.internal.managers.ProjectManager;

import com.nokia.s60tools.imaker.internal.model.FileToImage;

import com.nokia.s60tools.imaker.internal.model.ImakerProperties;

import com.nokia.s60tools.imaker.internal.model.iContent.IContentFactory;

import com.nokia.s60tools.imaker.internal.model.iContent.IbyEntry;

import com.nokia.s60tools.imaker.internal.model.iContent.ImageContent;

import com.nokia.s60tools.imaker.internal.providers.CheckBoxEditingSupport;

import com.nokia.s60tools.imaker.internal.providers.ComboEditingSupport;

import com.nokia.s60tools.imaker.internal.providers.TextEditingSupport;

public class DebugTab extends CTabItem implements IPropertyViewer {

	public static final String CHECKED_IMAGE 	= "checked";

	public static final String UNCHECKED_IMAGE  = "unchecked";

	public static final String WARNING_IMAGE    = "warning";

	public static final String ERROR_IMAGE      = "error";

	public static final String REL_PATTERN      = ".*epoc32.release.+?(urel).*";

	public static final String DEBUG_PATTERN    = ".*epoc32.release.+?(udeb).*";

	// For the checkbox images

	private static ImageRegistry imageRegistry = IMakerPlugin.getDefault().getImageRegistry();

	private IMakerTabsViewer tabsViewer;

	private ProjectManager projectManager;

	private TableViewer tableViewer;

	private PreferencesTab mainTab;

	static {

		String iconPath = "icons/"; 

		imageRegistry.put(CHECKED_IMAGE, IMakerPlugin.getImageDescriptor( 

				iconPath + CHECKED_IMAGE + ".gif"

		)

		);

		imageRegistry.put(UNCHECKED_IMAGE, IMakerPlugin.getImageDescriptor( 

				iconPath + UNCHECKED_IMAGE + ".gif"

		)

		);

		imageRegistry.put(WARNING_IMAGE, IMakerPlugin.getImageDescriptor( 

				iconPath + WARNING_IMAGE + ".gif"

		)

		);	

		imageRegistry.put(ERROR_IMAGE, IMakerPlugin.getImageDescriptor( 

				iconPath + ERROR_IMAGE + ".gif"

		)

		);	

	}

	public DebugTab(CTabFolder parent, int style, IMakerTabsViewer viewer, PreferencesTab main) {

		super(parent, style);

		this.tabsViewer = viewer;

		this.projectManager = tabsViewer.getProjectManager();

		setControl(createControl(parent));

		this.mainTab = main;		

	}

	private void deleteSelection() {

		ISelection selection = tableViewer.getSelection();

		if(selection!=null) {

			IStructuredSelection ss = (IStructuredSelection) selection;

			Object[] objects = ss.toArray();

			for (int i = 0; i < objects.length; i++) {

				IbyEntry fe = (IbyEntry) objects[i];

				ImageContent ic = getInput();

				ic.getEntries().remove(fe);						

			}

			tableViewer.refresh();

		}

	}

	private Control createControl(CTabFolder parent) {

		Composite top = new Composite(parent,SWT.NONE);

		top.setLayout(new GridLayout(2,false));

		top.setLayoutData(new GridData(GridData.FILL_BOTH));

		// create table

		Composite tableComp = getNewComposite(top);

		Table table = new Table(tableComp,SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI);

		GridData gridData = new GridData(GridData.FILL,GridData.FILL,true,true);

		gridData.heightHint = 180;

		table.setLayoutData(gridData);

		// create controls

		Composite controls = getNewComposite(top);

		Button button = new Button(controls,SWT.PUSH|SWT.LEFT);

		button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		button.setText(Messages.getString("DebugTab.2"));

		button.setToolTipText(Messages.getString("DebugTab.3"));

		button.addSelectionListener(new SelectionListener() {

//			@Override

			public void widgetSelected(SelectionEvent e) {

				IbyEntry entry = IContentFactory.eINSTANCE.createIbyEntry();

				ImageContent input = getInput();

				FileToImage file = new FileToImage();

				AddEditFileToTransferDialog dialog= new AddEditFileToTransferDialog(getControl().getShell(), file);

				dialog.setTitle(Messages.getString("FileTransferTab.8"));

				if (dialog.open() != Window.OK) {

					return;

				}

				entry.setEnabled(file.getEnabled());

				entry.setFile(file.getHostPath().substring(2));

				entry.setTarget(file.getTargetPath());

				entry.setDebug(isDebug(entry.getFile()));

				input.getEntries().add(entry);

				tableViewer.refresh();

			}

			private boolean isDebug(String file) {

				Pattern p = Pattern.compile(DEBUG_PATTERN);

				return p.matcher(file).find();

			}

//			@Override

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		button = new Button(controls,SWT.PUSH|SWT.LEFT);

		button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		button.setText(Messages.getString("DebugTab.4"));

		button.setToolTipText(Messages.getString("DebugTab.5"));

		button.addSelectionListener(new SelectionListener() {

//			@Override

			public void widgetSelected(SelectionEvent e) {

				deleteSelection();

			}

//			@Override

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		button = new Button(controls,SWT.PUSH|SWT.LEFT);

		button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		button.setText(Messages.getString("DebugTab.6"));

		button.setToolTipText(Messages.getString("DebugTab.7"));

		button.addSelectionListener(new SelectionListener() {

//			@Override

			public void widgetSelected(SelectionEvent e) {

				ImageContent input = getInput();

				if(input!=null) {

					projectManager.populate(input);

					tableViewer.refresh();

				}

			}

//			@Override

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		Composite enableButtons = new Composite(top,SWT.NONE);

		GridLayout layout = new GridLayout(2, false);

		layout.marginWidth = 0;

		layout.marginHeight = 0;

		enableButtons.setLayout(layout);

		enableButtons.setLayoutData(new GridData());

		button = new Button(enableButtons,SWT.PUSH|SWT.LEFT);

		button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		button.setText(Messages.getString("DebugTab.8"));

		button.setToolTipText(Messages.getString("DebugTab.9"));

		button.addSelectionListener(new SelectionListener() {

			public void widgetSelected(SelectionEvent e) {

				ImageContent ic = getInput();

				if(ic!=null) {

					for (IbyEntry entry: ic.getEntries()) {

						entry.setEnabled(true);

					}

					tableViewer.refresh();

				}

			}

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		button = new Button(enableButtons,SWT.PUSH|SWT.LEFT);

		button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

		button.setText(Messages.getString("DebugTab.10"));

		button.setToolTipText(Messages.getString("DebugTab.11"));

		button.addSelectionListener(new SelectionListener() {

			public void widgetSelected(SelectionEvent e) {

				ImageContent ic = getInput();

				if(ic!=null) {

					for (IbyEntry entry: ic.getEntries()) {

						entry.setEnabled(false);

					}

					tableViewer.refresh();

				}

			}

			public void widgetDefaultSelected(SelectionEvent e) {

				widgetSelected(e);

			}

		});

		tableViewer = new TableViewer(table);

		tableViewer.getTable().setHeaderVisible(true);

		tableViewer.getTable().setLinesVisible(true);

		tableViewer.setContentProvider(new DebugContentProvider());

		createColumns(tableViewer);

		tableViewer.getTable().addKeyListener(new KeyListener() {

			public void keyReleased(KeyEvent e) {

				if(e.character == SWT.DEL) {

					deleteSelection();

				}

			}

			public void keyPressed(KeyEvent e) {

			}

		});

		tableViewer.setInput(getDefaultInput());

		return top;	

	}

	private Object getDefaultInput() {

		IContentFactory factory = IContentFactory.eINSTANCE;

		ImageContent ic = factory.createImageContent();

		return ic;

	}

	private Composite getNewComposite(Composite top) {

		Composite comp = new Composite(top,SWT.NONE);

		GridLayout layout = new GridLayout(1, true);

		layout.marginWidth = 0;

		layout.marginHeight = 0;

		comp.setLayout(layout);

		GridData layoutData = new GridData(GridData.FILL_BOTH);

		layoutData.grabExcessHorizontalSpace = true;

		comp.setLayoutData(layoutData);

		return comp;

	}

	private void createColumns(TableViewer viewer) {

		int columnSizes[] = {20,50,130,130,60,50};

		TableViewerColumn column = new TableViewerColumn(viewer,SWT.NONE);

		column.getColumn().setText("!");

		column.getColumn().setWidth(columnSizes[0]);

		column.setLabelProvider(new ColumnLabelProvider() {	

			@Override

			public Image getImage(Object element) {

				if(isWarning(element)) {

					return imageRegistry.get(WARNING_IMAGE);					

				} else if(isError(element)) {

					return imageRegistry.get(ERROR_IMAGE);

				} else {

					return null;

				}

			}

			private IbyEntry getEntry(Object element) {

				return (IbyEntry) element;

			}

			private boolean isWarning(Object element) {

				IbyEntry entry = getEntry(element);

				String location = " "+entry.getLocation().toString().toUpperCase()+" ";

				String targets[] = mainTab.getSelectedTargets();

				UIConfiguration pr = mainTab.getSelectedProduct();

				for (int i = 0; i < targets.length; i++) {

					String t = targets[i];

					UITarget target = pr.getTarget(t);

					if(target!=null&&target.getSteps()!=null) {

						int index = target.getSteps().indexOf(location);

						if(index!=-1) {

							return false;

						}

					}

				}

			}

			private boolean isError(Object element) {

				IbyEntry entry = getEntry(element);

				String path = projectManager.getRoot()+entry.getFile();

				File f = new File(path);

				if(!f.exists()) {

					String message = Messages.getString("DebugTab.1");

					entry.setStatusMessage(message.replace("xxx", f.getAbsolutePath()));

					return true;

				}

				return false;

			}

			@Override

			public String getText(Object element) {

				if(isWarning(element) || isError(element)) {

					return getEntry(element).getStatusMessage();

				}

				return "";

			}

		});

		column.setEditingSupport(new CheckBoxEditingSupport(viewer, 0));

		column = new TableViewerColumn(viewer,SWT.CENTER);

		column.getColumn().setText("Enable");

		column.getColumn().setWidth(columnSizes[1]);

		column.setLabelProvider( new ColumnLabelProvider() {	

			@Override

			public Image getImage(Object element) {

				IbyEntry ie = (IbyEntry) element;

				String key = ie.isEnabled() ? CHECKED_IMAGE : UNCHECKED_IMAGE;

				return imageRegistry.get(key);

			}

			@Override

			public String getText(Object element) {

				return "";

			}

		});

		column.setEditingSupport(new CheckBoxEditingSupport(viewer, 1));

		column = new TableViewerColumn(viewer,SWT.NONE);

		column.getColumn().setText("File");

		column.getColumn().setWidth(columnSizes[2]);

		column.setLabelProvider(new ColumnLabelProvider() {

			@Override

			public String getText(Object element) {

				IbyEntry e = (IbyEntry) element;

				return e.getFile();

			}

		});

		column.setEditingSupport(new TextEditingSupport(viewer,2));

		column = new TableViewerColumn(viewer,SWT.NONE);

		column.getColumn().setText("Target");

		column.getColumn().setWidth(columnSizes[3]);

		column.setLabelProvider(new ColumnLabelProvider() {

			@Override

			public String getText(Object element) {

				IbyEntry e = (IbyEntry) element;

				return e.getTarget();

			}

		});

		column.setEditingSupport(new TextEditingSupport(viewer,3));

		column = new TableViewerColumn(viewer,SWT.NONE);

		column.getColumn().setText("Location");

		column.getColumn().setWidth(columnSizes[4]);

		column.setLabelProvider(new ColumnLabelProvider() {

			@Override

			public String getText(Object element) {

				IbyEntry e = (IbyEntry) element;

				return e.getLocation().getLiteral();

			}

		});

		column.setEditingSupport(new ComboEditingSupport(viewer,4));

		column = new TableViewerColumn(viewer,SWT.CENTER);

		column.getColumn().setText("Debug");

		column.getColumn().setWidth(columnSizes[5]);

		column.setLabelProvider( new ColumnLabelProvider() {

			@Override

			public Image getImage(Object element) {

				IbyEntry ie = (IbyEntry) element;

				String key = ie.isDebug() ? CHECKED_IMAGE : UNCHECKED_IMAGE;

				return imageRegistry.get(key);

			}

			@Override

			public String getText(Object element) {

				return "";

			}

		});

		column.setEditingSupport(new CheckBoxEditingSupport(viewer, 5));		

	}

	private class DebugContentProvider  implements IStructuredContentProvider {

//		@Override

		public Object[] getElements(Object inputElement) {

			ImageContent ic = (ImageContent) inputElement;

			return ic.getEntries().toArray();

		}

//		@Override

		public void dispose() {

		}

//		@Override

		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

		}

	}

	/* (non-Javadoc)

	 * @see com.nokia.s60tools.imaker.internal.viewers.IPropertyViewer#addToProperties(com.nokia.s60tools.imaker.internal.model.ImakerProperties)

	 */

	public void addToProperties(ImakerProperties prop) {

		ImageContent input = getInput();

	}

	/* (non-Javadoc)

	 * @see com.nokia.s60tools.imaker.internal.viewers.IPropertyViewer#restoreFromProperties(com.nokia.s60tools.imaker.internal.model.ImakerProperties)

	 */

	public void restoreFromProperties(ImakerProperties prop) {

		ImageContent input = getInput();

		EList<IbyEntry> entries = input.getEntries();

		entries.clear();

		Object ents = prop.get(IMakerKeyConstants.DEBUGFILES);

		if(ents!=null) {

			List<IbyEntry> ls = (List<IbyEntry>) ents;

			entries.addAll(ls);

		}

		tableViewer.refresh();

	}

	private ImageContent getInput() {

		return (ImageContent) tableViewer.getInput();

	}

	public void refesh() {

		tableViewer.refresh();

	}

//	@Override

	public void clear() {

		getInput().getEntries().clear();

		refesh();

	}

}