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/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.actions;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.progress.IProgressService;
/**
* This CVS runnable context blocks the UI and can therfore have a shell assigned to
* it (since the shell won't be closed by the user before the runnable completes.
*/
public class ProgressDialogRunnableContext implements ITeamRunnableContext {
private IRunnableContext runnableContext;
private ISchedulingRule schedulingRule;
private boolean postponeBuild;
public ProgressDialogRunnableContext() {
}
/**
* Set whether the auto-build will be postponed while this
* context is executing a runnable.
* @param postponeBuild whether to postpone the auto-build.
*/
public void setPostponeBuild(boolean postponeBuild) {
this.postponeBuild = postponeBuild;
}
/**
* Set the scheduling rule that will be obtained before the context
* executes a runnable or <code>null</code> if no scheduling rule is to be onbtained.
* @param schedulingRule The schedulingRule to be obtained or <code>null</code>.
*/
public void setSchedulingRule(ISchedulingRule schedulingRule) {
this.schedulingRule = schedulingRule;
}
/**
* Set the runnable context that is used to execute the runnable. By default,
* the workbench's progress service is used by clients can provide their own.
* @param runnableContext the runnable contentx used to execute runnables.
*/
public void setRunnableContext(IRunnableContext runnableContext) {
this.runnableContext = runnableContext;
}
@Override
public void run(IRunnableWithProgress runnable) throws InvocationTargetException, InterruptedException {
getRunnableContext().run(true /* fork */, true /* cancelable */, wrapRunnable(runnable));
}
private IRunnableContext getRunnableContext() {
if (runnableContext == null) {
return (fork, cancelable, runnable) -> {
IProgressService manager = PlatformUI.getWorkbench().getProgressService();
manager.busyCursorWhile(runnable);
};
}
return runnableContext;
}
/*
* Return an IRunnableWithProgress that sets the task name for the progress monitor
* and runs in a workspace modify operation if requested.
*/
private IRunnableWithProgress wrapRunnable(final IRunnableWithProgress runnable) {
return monitor -> {
try {
if (schedulingRule == null && !postponeBuild) {
runnable.run(monitor);
} else {
final Exception[] exception = new Exception[] { null };
ResourcesPlugin.getWorkspace().run((IWorkspaceRunnable) pm -> {
try {
runnable.run(pm);
} catch (InvocationTargetException e1) {
exception[0] = e1;
} catch (InterruptedException e2) {
exception[0] = e2;
}
}, schedulingRule, 0 /* allow updates */, monitor);
if (exception[0] != null) {
if (exception[0] instanceof InvocationTargetException) {
throw (InvocationTargetException)exception[0];
} else if (exception[0] instanceof InterruptedException) {
throw (InterruptedException)exception[0];
}
}
}
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
};
}
}
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