/**
* Coder beware: this code is not warranted to do anything.
* Some or all of this code is taken from the Eclipse code base.
*
* Copyright Apr 4, 2010 Carlos Valcarcel
*/
package tool.popup.actionprovider;
import java.lang.reflect.InvocationTargetException;
import java.util.Iterator;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.WorkspaceJob;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.window.IShellProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchCommandConstants;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.actions.RefreshAction;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.navigator.CommonActionProvider;
import org.eclipse.ui.navigator.ICommonActionExtensionSite;
import org.eclipse.ui.navigator.ICommonMenuConstants;
import tool.ToolPlugin;
/**
* The bulk of this code is taken from
* org.eclipse.ui.internal.navigator.resources.actions.ResourceMgmtActionProvider
* which is provided with Eclipse in case you want to look up the original.
*
* @author carlos
*/
public class ToolRefreshActionProvider extends CommonActionProvider {
private RefreshAction refreshAction;
private Shell shell;
/*
* (non-Javadoc)
* @see
* org.eclipse.ui.navigator.CommonActionProvider#init(org.eclipse.ui.navigator.ICommonActionExtensionSite)
*/
@Override
public void init(ICommonActionExtensionSite aSite) {
super.init(aSite);
shell = aSite.getViewSite().getShell();
makeActions();
}
@Override
public void fillActionBars(IActionBars actionBars) {
actionBars.setGlobalActionHandler(ActionFactory.REFRESH.getId(), refreshAction);
updateActionBars();
}
/**
* Adds the refresh resource actions to the context menu.
*
* @param menu
* context menu to add actions to
*/
@SuppressWarnings("rawtypes")
@Override
public void fillContextMenu(IMenuManager menu) {
IStructuredSelection selection = (IStructuredSelection) getContext().getSelection();
boolean hasClosedProjects = false;
Iterator resources = selection.iterator();
while (resources.hasNext() && (!hasClosedProjects)) {
Object next = resources.next();
IProject project = null;
if (next instanceof IProject) {
project = (IProject) next;
} else if (next instanceof IAdaptable) {
project = (IProject) ((IAdaptable) next).getAdapter(IProject.class);
}
if (project == null) {
continue;
}
if (!project.isOpen()) {
hasClosedProjects = true;
}
}
if (!hasClosedProjects) {
refreshAction.selectionChanged(selection);
menu.appendToGroup(ICommonMenuConstants.GROUP_BUILD, refreshAction);
}
}
protected void makeActions() {
IShellProvider sp = new IShellProvider() {
@SuppressWarnings("synthetic-access")
@Override
public Shell getShell() {
return shell;
}
};
refreshAction = new RefreshAction(sp) {
@Override
public void run() {
final IStatus[] errorStatus = new IStatus[1];
errorStatus[0] = Status.OK_STATUS;
final WorkspaceModifyOperation op = (WorkspaceModifyOperation) createOperation(errorStatus);
WorkspaceJob job = new WorkspaceJob("refresh") { //$NON-NLS-1$
@SuppressWarnings("synthetic-access")
@Override
public IStatus runInWorkspace(IProgressMonitor monitor) throws CoreException {
try {
op.run(monitor);
if (shell != null && !shell.isDisposed()) {
shell.getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
StructuredViewer viewer = getActionSite().getStructuredViewer();
if (viewer != null && viewer.getControl() != null && !viewer.getControl().isDisposed()) {
viewer.refresh();
}
}
});
}
} catch (InvocationTargetException e) {
String msg = NLS.bind(Messages.ToolRefreshActionProvider_invocationTargetExceptionMessage, getClass().getName(), e.getTargetException());
throw new CoreException(new Status(IStatus.ERROR, ToolPlugin.PLUGIN_ID, IStatus.ERROR, msg, e
.getTargetException()));
} catch (InterruptedException e) {
return Status.CANCEL_STATUS;
}
return errorStatus[0];
}
};
ISchedulingRule rule = op.getRule();
if (rule != null) {
job.setRule(rule);
}
job.setUser(true);
job.schedule();
}
};
refreshAction.setDisabledImageDescriptor(getImageDescriptor("icons/refresh_nav_disabled.gif"));//$NON-NLS-1$
refreshAction.setImageDescriptor(getImageDescriptor("icons/refresh_nav_enabled.gif"));//$NON-NLS-1$
refreshAction.setActionDefinitionId(IWorkbenchCommandConstants.FILE_REFRESH);
}
/**
* Returns the image descriptor with the given relative path.
*/
protected ImageDescriptor getImageDescriptor(String relativePath) {
return ToolPlugin.getImageDescriptor(relativePath);
}
@Override
public void updateActionBars() {
IStructuredSelection selection = (IStructuredSelection) getContext().getSelection();
refreshAction.selectionChanged(selection);
}
}