RteToolChainAdapterSelector.java

/*******************************************************************************
* Copyright (c) 2015 ARM Ltd. and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* ARM Ltd and ARM Germany GmbH - Initial API and implementation
*******************************************************************************/
package com.arm.cmsis.pack.project.template;

import java.util.Collection;



import java.util.Iterator;

import org.eclipse.cdt.managedbuilder.core.IToolChain;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.ModifyEvent;

import com.arm.cmsis.pack.build.settings.RteToolChainAdapterFactory;
import com.arm.cmsis.pack.build.settings.RteToolChainAdapterInfo;
import com.arm.cmsis.pack.common.CmsisConstants;
import com.arm.cmsis.pack.project.Messages;
import com.arm.cmsis.pack.ui.IStatusMessageListener;
import com.arm.cmsis.pack.ui.StatusMessageListerenList;

public class RteToolChainAdapterSelector extends Group {
	private Combo comboAdapter = null;
	private Combo comboFamily = null;
	private Label lblDescription = null;
	private IToolChain toolChain = null;
	String selectedFamily  = null;
	
	private boolean bUpdatingControls = false;
	
	private Collection<RteToolChainAdapterInfo> adapters = null;  

	private StatusMessageListerenList listeners = new StatusMessageListerenList();

	private static final String[] families = new String[] {"ARMCC", "GCC", "G++", "IAR", "GHS", "Tasking", "Cosmic"};  //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$
	private Label lblToolchainName;
	
	/**
	 * Create the composite.
	 * @param parent
	 * @param style
	 */
	public RteToolChainAdapterSelector(Composite parent, int style) {
		super(parent, style);
		setText(Messages.RteTooolChainAdapterSelector_ToolchainAdapter);
		setLayout(new GridLayout(3, false));
		
		Label lblToolchainLabel = new Label(this, SWT.NONE);
		lblToolchainLabel.setText(Messages.RteTooolChainAdapterSelector_Toolchain);
		
		lblToolchainName = new Label(this, SWT.NONE);
		lblToolchainName.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1));
		lblToolchainName.setText(""); //$NON-NLS-1$
		
		Label lbAdapter = new Label(this, SWT.NONE);
		lbAdapter.setToolTipText(Messages.RteTooolChainAdapterSelector_ToolChainAdapterIsReponsibleFor);
		lbAdapter.setText(Messages.RteTooolChainAdapterSelector_Adapter);
		
		comboAdapter = new Combo(this, SWT.READ_ONLY);
		comboAdapter.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				updateControls();
			}
		});
		comboAdapter.setToolTipText(Messages.RteTooolChainAdapterSelector_ToolChainAdapterIsReponsibleFor);
		comboAdapter.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
		
		Label lblFamily = new Label(this, SWT.NONE);
		lblFamily.setToolTipText(Messages.RteTooolChainAdapterSelector_FamilyToolTipAndDescription);
		lblFamily.setText(Messages.RteTooolChainAdapterSelector_Family);
		
		comboFamily = new Combo(this, SWT.READ_ONLY);
		comboFamily.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				selectedFamily = getTcompiler();
				if(selectedFamily == null || selectedFamily.isEmpty())
					updateStatus(Messages.RteTooolChainAdapterSelector_SelectFamily);
				else 
					updateStatus(null);
					
			}
		});
		comboFamily.setToolTipText(Messages.RteTooolChainAdapterSelector_FamilyToolTipAndDescription);
		comboFamily.setItems(families);
		comboFamily.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 1, 1));
		comboFamily.setToolTipText(Messages.RteTooolChainAdapterSelector_FamilyToolTipAndDescription);
		
		Label lblTcompiler = new Label(this, SWT.NONE);
		lblTcompiler.setText(Messages.RteTooolChainAdapterSelector_PassedviaTCompiler);
		
		lblDescription = new Label(this, SWT.WRAP);
		GridData gd_lblDescription = new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1);
		gd_lblDescription.widthHint = 370;
		gd_lblDescription.heightHint = 252;
		lblDescription.setLayoutData(gd_lblDescription);

	}

	public void setToolChain(IToolChain toolchain) {
		this.toolChain = toolchain;
		init();
	}

	void updateStatus(String message) {
		// notify listeners
		listeners.notifyListeners(message);
	}
	
	public void addListener(IStatusMessageListener listener){
		listeners.addListener(listener);
	}
	
	public void removeListener(IStatusMessageListener listener){
		listeners.removeListener(listener);
	}


	public void init(){
		bUpdatingControls = true;
		comboAdapter.removeAll();
		RteToolChainAdapterFactory factory = RteToolChainAdapterFactory.getInstance();
		String toolChainName = CmsisConstants.EMPTY_STRING;

		if(toolChain!= null) { 
			adapters = factory.getAdapterInfos(toolChain);
			toolChainName = toolChain.getName();
			if(adapters.isEmpty()) {
				adapters = factory.getAdapterInfos();
				toolChainName += " (" + toolChain.getId() + ")";  //$NON-NLS-1$//$NON-NLS-2$
			} 
		}

		lblToolchainName.setText(toolChainName);

		for(RteToolChainAdapterInfo info : adapters) {
			comboAdapter.add(info.getName());
		}
		if(!adapters.isEmpty())
			comboAdapter.select(0); // best adapter is always on top

		bUpdatingControls = false;
		updateControls();
	}

	protected void updateControls() {
		if(bUpdatingControls)
			return;
		bUpdatingControls = true;
		String description = null;
		String family = null;
		RteToolChainAdapterInfo info = getSelectedAdapterInfo();
		if(info != null) {
			description = info.getDescription();
			family = info.getFamily();
			if(family == null || family.isEmpty()) {
				comboFamily.setEnabled(true);
				family = discoverFamily();
			} else {
				comboFamily.setEnabled(false);
			}
			updateStatus(null);	
		} else {
			description = Messages.RteTooolChainAdapterSelector_NoToolchainAdapterAvailable;
			updateStatus(description);
		}
		if(family == null)
			family = selectedFamily; 
		selectedFamily = family;

		int familyIndex = -1; 
		if(selectedFamily != null)
			familyIndex = comboFamily.indexOf(selectedFamily);

		if(familyIndex >=0 ) {
			comboFamily.select(familyIndex);
		} else {
			updateStatus(Messages.RteTooolChainAdapterSelector_SelectFamily);
		}
		
		lblDescription.setText(description);
		bUpdatingControls = false;
	}
	

	

	private String discoverFamily() {
		if(toolChain != null) {
			String tsId = toolChain.getId().toLowerCase();
			if(tsId.indexOf("gcc") >= 0 || tsId.indexOf("g++") >=0 || tsId.indexOf("gnu") >=0 ) //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				return "GCC"; //$NON-NLS-1$
			else if(tsId.indexOf("arm") >= 0) //$NON-NLS-1$
				return "ARM"; //$NON-NLS-1$
		}
		return null;
	}
	
	@Override
	protected void checkSubclass() {
		// Disable the check that prevents subclassing of SWT components
	}
	
	public RteToolChainAdapterInfo getSelectedAdapterInfo() {
		int index = comboAdapter.getSelectionIndex();
		if(index < 0 )  
			return null;
		
		Iterator<RteToolChainAdapterInfo> iterator = adapters.iterator();
		for(int i=0; iterator.hasNext(); i++){
			RteToolChainAdapterInfo info = iterator.next();
			if(i == index)
				return info;
		}
		return null;
	}
	
	public String getAdapterId() {
		RteToolChainAdapterInfo info = getSelectedAdapterInfo();
		if(info != null)
			return info.getId();
		return null;
	}
	
	public String getTcompiler() {
		int index = comboFamily.getSelectionIndex();
		if(index >=0  && index < families.length)
			return(families[index]);
		return null;
	}
	
}