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package org.eclipse.compare.contentmergeviewer;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.core.runtime.IProgressMonitor;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.operation.ModalContext;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
class DelayedProgressMonitor implements IProgressMonitor {
ProgressMonitorDialog fProgressDialog;
IProgressMonitor fRealProgressMonitor;
String fTaskName;
String fSubTaskName;
int fTotalWork;
int fWorked;
boolean fCancelable;
Shell fShell;
int fTime;
DelayedProgressMonitor(Shell shell) {
fShell= shell;
}
/*
* @see IProgressMonitor#beginTask(String, int)
*/
public void beginTask(String name, int totalWork) {
fTaskName= name;
fTotalWork= totalWork;
fTime= 0;
}
/*
* @see IProgressMonitor#done()
*/
public void done() {
if (fRealProgressMonitor != null)
fRealProgressMonitor.done();
}
/*
* @see IProgressMonitor#internalWorked(double)
*/
public void internalWorked(double work) {
if (fRealProgressMonitor != null) {
fRealProgressMonitor.internalWorked(work);
}
}
private void checkTimeout() {
if (fRealProgressMonitor == null) {
//if (fTime++ < 100)
// return;
fProgressDialog= new ProgressMonitorDialog(fShell);
fProgressDialog.setCancelable(true);
fProgressDialog.open();
fRealProgressMonitor= fProgressDialog.getProgressMonitor();
fRealProgressMonitor.beginTask(fTaskName, fTotalWork);
if (fSubTaskName != null)
fRealProgressMonitor.subTask(fSubTaskName);
fRealProgressMonitor.worked(fWorked);
}
}
/*
* @see IProgressMonitor#isCanceled()
*/
public boolean isCanceled() {
checkTimeout();
if (fRealProgressMonitor != null)
return fRealProgressMonitor.isCanceled();
return false;
}
/*
* @see IProgressMonitor#setCanceled(boolean)
*/
public void setCanceled(boolean value) {
if (fRealProgressMonitor != null)
fRealProgressMonitor.setCanceled(value);
else
fCancelable= value;
}
/*
* @see IProgressMonitor#setTaskName(String)
*/
public void setTaskName(String name) {
if (fRealProgressMonitor != null)
fRealProgressMonitor.setTaskName(name);
else
fTaskName= name;
}
/*
* @see IProgressMonitor#subTask(String)
*/
public void subTask(String name) {
if (fRealProgressMonitor != null)
fRealProgressMonitor.subTask(name);
else
fSubTaskName= name;
}
/*
* @see IProgressMonitor#worked(int)
*/
public void worked(int work) {
if (fRealProgressMonitor != null)
fRealProgressMonitor.internalWorked(work);
else {
fWorked+= work;
checkTimeout();
}
}
public static void run(Shell shell, boolean fork, boolean cancelable, IRunnableWithProgress runnable)
throws InvocationTargetException, InterruptedException {
DelayedProgressMonitor pm= new DelayedProgressMonitor(shell);
pm.checkTimeout();
try {
ModalContext.run(runnable, fork, pm, shell.getDisplay());
} finally {
if (pm.fProgressDialog != null)
pm.fProgressDialog.close();
}
}
}
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