/*

 * 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.internal.pi.wizards.ui.util;

import java.util.List;

import org.eclipse.jface.dialogs.MessageDialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.SelectionListener;

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.Group;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Table;

import org.eclipse.swt.widgets.TableItem;

import com.nokia.carbide.cpp.sdk.core.ISDKManager;

import com.nokia.carbide.cpp.sdk.core.ISymbianSDK;

import com.nokia.carbide.cpp.sdk.core.SDKCorePlugin;

import com.nokia.carbide.cpp.sdk.ui.shared.AddSDKDialog;

// just gather all composite layout stuff here, so both Dialog

// and Wizard can be the same layout, they should call layout

// in their layout code

// Wizard would setControl(layout(parent)) in createControl

// Dialog would return layout(parent); in layout code e.g. createDialogArea()

public class SdkChooserBase {

	// control

	public Composite composite = null;

	public Label label = null;

	public Composite epocrootComposite = null;

	public Table sdkTable = null;

	public Composite buttonComposite = null;

	public Button addSdkButton = null;

	public Button removeSdkButton = null;

	public Group sdkGroup = null;

	public Label directoryDataLabel = null;

	public Label epocrootLabel = null;

	public Label osVersionDataLabel = null;

	public Label osVersionLabel = null;

	public Label platformDataLabel = null;

	public Label platformLabel = null;

	public Composite layout(Composite parent) {

		SDKCorePlugin.getSDKManager();

		GridLayout gridLayout1 = new GridLayout();

		gridLayout1.numColumns = 1;

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

		composite.setLayout(gridLayout1);

		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		label = new Label(composite, SWT.NONE);

		label.setText(Messages.getString("SdkChooserBase.label")); //$NON-NLS-1$

		createEpocrootComposite();

		createSDKGroup();

		return composite;

	}

	/**

	 * This method initializes epocrootComposite	

	 *

	 */

	private void createEpocrootComposite() {

		GridLayout gridLayout2 = new GridLayout();

		gridLayout2.numColumns = 2;

		epocrootComposite = new Composite(composite, SWT.NONE);

		epocrootComposite.setLayout(gridLayout2);

		GridData gridData1 = new GridData();

		gridData1.horizontalAlignment = GridData.FILL;

		gridData1.grabExcessHorizontalSpace = true;

		epocrootComposite.setLayoutData(gridData1);

		sdkTable = new Table(epocrootComposite, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.SINGLE);

		sdkTable.setHeaderVisible(false);

		GridData gridData2 = new GridData();

		gridData2.horizontalAlignment = GridData.FILL;

		gridData2.grabExcessHorizontalSpace = true;

		sdkTable.setLayoutData(gridData2);

		sdkTable.setLinesVisible(false);

		createButtonComposite();

		sdkTable.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent arg0) {

			}

			public void widgetSelected(SelectionEvent arg0) {

				propagateSdkDetail();

			}

		});

	}

	private void createButtonComposite() {

		GridLayout gridLayout = new GridLayout();

		gridLayout.numColumns = 1;

		buttonComposite = new Composite(epocrootComposite, SWT.NONE);

		buttonComposite.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));

		buttonComposite.setLayout(gridLayout);

		addSdkButton = new Button (buttonComposite, SWT.NONE);

		addSdkButton.setText(Messages.getString("SdkChooserBase.addsdk.button")); //$NON-NLS-1$

		removeSdkButton = new Button (buttonComposite, SWT.NONE);

		removeSdkButton.setText(Messages.getString("SdkChooserBase.removesdk.button")); //$NON-NLS-1$

		GridData buttonWidthGridData = new GridData();

		buttonWidthGridData.widthHint = Math.max(addSdkButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x, removeSdkButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);

		addSdkButton.setLayoutData(buttonWidthGridData);

		removeSdkButton.setLayoutData(buttonWidthGridData);

		addSdkButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent arg0) {

			}

			public void widgetSelected(SelectionEvent arg0) {

				handleAddSdk();

			}

		});

		removeSdkButton.addSelectionListener(new SelectionListener() {

			public void widgetDefaultSelected(SelectionEvent arg0) {

			}

			public void widgetSelected(SelectionEvent arg0) {

				handleRemoveSdk();

			}

		});

		propagateSdkFromManager();

	}

	private void createSDKGroup() {

		GridLayout gridLayout = new GridLayout();

		gridLayout.numColumns = 2;

		sdkGroup = new Group(composite, SWT.NONE);

		sdkGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		sdkGroup.setLayout(gridLayout);

		sdkGroup.setText(Messages.getString("SdkChooserBase.sdk.group")); //$NON-NLS-1$

		epocrootLabel = new Label(sdkGroup, SWT.NONE);

		epocrootLabel.setText(Messages.getString("SdkChooserBase.epocroot.label")); //$NON-NLS-1$

		directoryDataLabel = new Label(sdkGroup, SWT.WRAP);

		directoryDataLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		directoryDataLabel.setText(Messages.getString("SdkChooserBase.directorydata.label")); //$NON-NLS-1$

		osVersionLabel = new Label(sdkGroup, SWT.NONE);

		osVersionLabel.setText(Messages.getString("SdkChooserBase.osversion.label")); //$NON-NLS-1$

		osVersionDataLabel = new Label(sdkGroup, SWT.WRAP);

		osVersionDataLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		osVersionDataLabel.setText(Messages.getString("SdkChooserBase.osversiondata.label")); //$NON-NLS-1$

		platformLabel = new Label(sdkGroup, SWT.NONE);

		platformLabel.setText(Messages.getString("SdkChooserBase.platform.label")); //$NON-NLS-1$

		platformDataLabel = new Label(sdkGroup, SWT.WRAP);

		platformDataLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

		platformDataLabel.setText(Messages.getString("SdkChooserBase.platformdata.label")); //$NON-NLS-1$

	}

	public void propagateSdkFromManager() {

		List<ISymbianSDK> sdkList = getSDKList();

		sdkTable.removeAll();

		for (ISymbianSDK sdk : sdkList) {

			TableItem item = new TableItem(sdkTable, SWT.NONE);

			item.setText(sdk.getUniqueId());

			item.setData(sdk);

		}

		if (sdkList.size() == 1) {

			sdkTable.select(0);

		}

	}

	public void propagateSdkDetail() {

		TableItem[] items = sdkTable.getSelection();

		if (items.length > 0) {

			ISymbianSDK sdk = (ISymbianSDK) items[0].getData();

			if (sdk != null) {

				directoryDataLabel.setText(sdk.getEPOCROOT());

				osVersionDataLabel.setText(sdk.getOSVersion().toString());

				platformDataLabel.setText(sdk.getAvailablePlatforms().toString());

			}

		} else {

			directoryDataLabel.setText(Messages.getString("SdkChooserBase.directorydata.label")); //$NON-NLS-1$

			osVersionDataLabel.setText(Messages.getString("SdkChooserBase.osversiondata.label")); //$NON-NLS-1$

			platformDataLabel.setText(Messages.getString("SdkChooserBase.platformdata.label2"));	 //$NON-NLS-1$

		}

	}

	private void handleAddSdk() {

		AddSDKDialog dialog = new AddSDKDialog(composite.getShell());

		if (dialog.open() == AddSDKDialog.OK){

			getSDKManager().updateCarbideSDKCache();

			propagateSdkFromManager();

		}

	}

	private void handleRemoveSdk() {

		TableItem[] items = sdkTable.getSelection();

		if (items.length > 0) {

			ISymbianSDK sdk = (ISymbianSDK) items[0].getData();

			if (sdk != null){

				if (MessageDialog.openConfirm(composite.getShell(), Messages.getString("SdkChooserBase.confirm.delete") + sdk.getUniqueId() , Messages.getString("SdkChooserBase.confirm.message"))){ //$NON-NLS-1$ //$NON-NLS-2$

					if (getSDKManager().removeSDK(sdk.getUniqueId())){

						getSDKList().remove(sdk);

						getSDKManager().updateCarbideSDKCache();

						propagateSdkFromManager();

					}

				}

			}			

		}

	}

	public List<ISymbianSDK> getSDKList() {

		return SDKCorePlugin.getSDKManager().getSDKList();

	}

	public ISDKManager getSDKManager() {

		return SDKCorePlugin.getSDKManager();

	}

	public ISymbianSDK getSelectedSdk() {

		TableItem[] items = sdkTable.getSelection();

		if (items.length > 0) {

			return ((ISymbianSDK) items[0].getData());

		}

		return null;

	}

	public void setSelectedSdk(ISymbianSDK romSdk) {

		TableItem[] items = sdkTable.getItems();

		sdkTable.deselectAll();

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

			if ((ISymbianSDK) items[i].getData() == romSdk) {

				sdkTable.select(i);

			}

		}

		propagateSdkDetail();

	}

}