debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/wizards/AddDirectorySourceLocationWizard.java

/*
 *(c) Copyright QNX Software Systems Ltd. 2002.
 * All Rights Reserved.
 * 
 */
package org.eclipse.cdt.debug.internal.ui.wizards;

import java.io.File;

import org.eclipse.cdt.debug.core.sourcelookup.ICSourceLocation;
import org.eclipse.cdt.debug.core.sourcelookup.IDirectorySourceLocation;
import org.eclipse.cdt.debug.internal.ui.CDebugImages;
import org.eclipse.cdt.debug.ui.sourcelookup.INewSourceLocationWizard;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;

/**
 * 
 * Enter type comment.
 * 
 * @since Dec 23, 2002
 */
public class AddDirectorySourceLocationWizard extends Wizard implements INewSourceLocationWizard
{
	protected static final String PAGE_NAME = "AddDirectorySourceLocationWizardPage";

	/**
	 * 
	 * Enter type comment.
	 * 
	 * @since Dec 25, 2002
	 */
	public class AddDirtectorySourceLocationWizardPage extends WizardPage
	{
		private AddDirectorySourceLocationBlock fAttachBlock;

		/**
		 * Constructor for AddDirtectorySourceLocationWizardPage.
		 * @param pageName
		 * @param title
		 * @param titleImage
		 */
		public AddDirtectorySourceLocationWizardPage( AddDirectorySourceLocationWizard wizard, IPath initialAssociationPath )
		{
			super( PAGE_NAME, "Select Directory", CDebugImages.DESC_WIZBAN_ADD_DIR_SOURCE_LOCATION );
			setWindowTitle( "Add Directory Source Location" );
			setMessage( "Add a local file system directory to the source locations list." );
			setWizard( wizard );
			fAttachBlock = new AddDirectorySourceLocationBlock( initialAssociationPath );
		}

		/**
		 * @see org.eclipse.jface.dialogs.IDialogPage#createControl(Composite)
		 */
		public void createControl( Composite parent )
		{
			Composite composite = new Composite( parent, SWT.NULL );
			composite.setLayout( new GridLayout() );
			composite.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
			
			fAttachBlock.createControl( composite );
			fAttachBlock.addDirectoryModifyListener( new ModifyListener() 
															{
																public void modifyText( ModifyEvent e )
																{
																	directoryChanged();
																}
															} );

			fAttachBlock.addAssociationModifyListener( new ModifyListener() 
															{
																public void modifyText( ModifyEvent e )
																{
																	associationChanged();
																}
															} );

			setControl( composite );
			updateState();
		}
		
		protected void directoryChanged()
		{
			updateState();
		}

		protected void associationChanged()
		{
			updateState();
		}
		
		private void updateState()
		{
			boolean complete = true;
			setErrorMessage( null );
			String dirText = fAttachBlock.getLocationPath();
			if ( dirText.length() == 0 )
			{
				setErrorMessage( "Directory must not be empty." );
				complete = false;
			}
			else
			{
				File file = new File( dirText );
				if ( !file.exists() || !file.isDirectory() )
				{
					setErrorMessage( "Directory does not exist." );
					complete = false;
				}
				else if ( !file.isAbsolute() )
				{
					setErrorMessage( "Directory must be absolute." );
					complete = false;
				}
			}
			setPageComplete( complete );
		}
		
		private IDirectorySourceLocation getSourceLocation()
		{
			return fAttachBlock.getSourceLocation();
		}

		protected boolean finish()
		{
			fSourceLocation = getSourceLocation();
			return ( fSourceLocation != null );
		}
	}

	protected IDirectorySourceLocation fSourceLocation = null;
	private IPath fInitialAssociationPath = null;

	/**
	 * Constructor for AddDirectorySourceLocationWizard.
	 */
	public AddDirectorySourceLocationWizard()
	{
		super();
	}

	/**
	 * Constructor for AddDirectorySourceLocationWizard.
	 */
	public AddDirectorySourceLocationWizard( IPath initialAssociationPath )
	{
		super();
		fInitialAssociationPath = initialAssociationPath;
	}

	/**
	 * @see org.eclipse.jface.wizard.IWizard#performFinish()
	 */
	public boolean performFinish()
	{
		AddDirtectorySourceLocationWizardPage page = (AddDirtectorySourceLocationWizardPage)getStartingPage();
		if ( page != null )
		{
			return page.finish();
		}
		return false;
	}

	/**
	 * @see org.eclipse.cdt.debug.ui.sourcelookup.INewSourceLocationWizard#getDescription()
	 */
	public String getDescription()
	{
		return "Add a local file system directory to the source locations list.";
	}

	/**
	 * @see org.eclipse.jface.wizard.IWizard#addPages()
	 */
	public void addPages()
	{
		addPage( new AddDirtectorySourceLocationWizardPage( this, fInitialAssociationPath ) );
	}

	/**
	 * @see org.eclipse.cdt.debug.ui.sourcelookup.INewSourceLocationWizard#getSourceLocation()
	 */
	public ICSourceLocation getSourceLocation()
	{
		return fSourceLocation;
	}
}