[easystruts-cvs] easyexplore-plugin/src/org/sf/easyexplore/actions EasyExploreAction.java,NONE,1.1

[Philippe O. <pom...@us...>]

Update of /cvsroot/easystruts/easyexplore-plugin/src/org/sf/easyexplore/actions
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv29640/src/org/sf/easyexplore/actions

Added Files:
	EasyExploreAction.java 
Log Message:
 major refactoring on this little puppy to get it OSGI compliant and have visbility enabled as needed....

--- NEW FILE: EasyExploreAction.java ---
package org.sf.easyexplore.actions;

import java.io.File;
import java.text.MessageFormat;

import org.sf.easyexplore.EasyExplorePlugin;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jdt.internal.core.JarPackageFragmentRoot;
import org.eclipse.jdt.internal.core.PackageFragment;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;

public class EasyExploreAction implements IObjectActionDelegate {

	private Object selected=null;
	private Class selectedClass=null;
	/**
	 * Constructor for EasyExploreAction.
	 */
	public EasyExploreAction() {
		super();
	}

	/**
	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
	 */
	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
	}

	/**
	 * @see IActionDelegate#run(IAction)
	 */
	public void run(IAction action) {
		try {
			if ( "unknown".equals(selected) ) {
				MessageDialog.openInformation(new Shell(),"Easy Explore","Unable to explore " + selectedClass.getName());
				EasyExplorePlugin.log("Unable to explore " + selectedClass);
				return;
			}
			File directory = null;
			if ( selected instanceof IResource ) {
				directory= new File(((IResource)selected).getLocation().toOSString());
			} else if ( selected instanceof File ) {
				directory= (File) selected;
			} 
			if ( selected instanceof IFile ) {
				directory = directory.getParentFile();
			} 		
			if ( selected instanceof File ) {
				directory = directory.getParentFile();
			} 
			String target = EasyExplorePlugin.getDefault().getTarget();
			
			if (!EasyExplorePlugin.getDefault().isSupported()) {
				MessageDialog.openInformation(new Shell(),"Easy Explore",
					"This platform (" + 
					System.getProperty("os.name") + 
					") is currently unsupported.\n" + 
					"You can try to provide the correct command to execute in the Preference dialog.\n" +
					"If you succeed, please be kind to post your discovery on EasyExplore website http://sourceforge.net/projects/easystruts,\n" +
					"or by email far...@us.... Thanks !");
				return;
			}

			if ( target.indexOf("{0}") == -1 ) {
				target = target.trim() + " {0}";
			}	
			
			target = MessageFormat.format(target, new String[]{directory.toString()});
			
			try { 
				EasyExplorePlugin.log("running: "+target);
				Runtime.getRuntime().exec(target);
			} catch ( Throwable t ) {
				MessageDialog.openInformation(new Shell(),"Easy Explore","Unable to execute " +target);
				EasyExplorePlugin.log(t);
			}
		} catch (Throwable e) {
			EasyExplorePlugin.log(e);
		}
	}

	/**
	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
	 */
	public void selectionChanged(IAction action, ISelection selection) {
		try {
			IAdaptable adaptable = null;
			this.selected = "unknown";
			if ( selection instanceof IStructuredSelection ) {
				adaptable = (IAdaptable) ((IStructuredSelection)selection).getFirstElement();
				this.selectedClass = adaptable.getClass();
				if ( adaptable instanceof IResource ) {
					this.selected = (IResource) adaptable;
				} else if ( adaptable instanceof PackageFragment && ((PackageFragment)adaptable).getPackageFragmentRoot() instanceof JarPackageFragmentRoot ) {
					this.selected = getJarFile(((PackageFragment)adaptable).getPackageFragmentRoot());
				} else if ( adaptable instanceof JarPackageFragmentRoot ) {
					this.selected = getJarFile(adaptable);
				} else {
					this.selected = (IResource) adaptable.getAdapter(IResource.class);
				}
			}
		} catch (Throwable e) {
			EasyExplorePlugin.log(e);
		}
	}

	protected File getJarFile(IAdaptable adaptable) {
		JarPackageFragmentRoot jpfr = (JarPackageFragmentRoot) adaptable;
		File selected =  (File)  jpfr.getPath().makeAbsolute().toFile();
		if ( !((File)selected).exists() ) {
			File projectFile = new File(jpfr.getJavaProject().getProject().getLocation().toOSString());
			selected = new File( projectFile.getParent() + selected.toString() );
		}
		return selected;
	}

}