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/*******************************************************************************
* Copyright (c) 2000, 2006 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:
* Dan Rubel - initial API and implementation
* IBM Corporation - ongoing maintenance
*******************************************************************************/
package org.eclipse.team.internal.ui;
import java.io.File;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Assert;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.team.core.ProjectSetSerializationContext;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ui.dialogs.IPromptCondition;
import org.eclipse.team.internal.ui.dialogs.PromptingDialog;
/**
* The UI based context in which project serialization occurs.
* The class may be subclasses to represent different UI based serialization contexts.
* It is recommended that all UI based serialization contexts
* use this class directly or indirectly as their superclass.
*
* @since 3.0
*/
public class UIProjectSetSerializationContext extends ProjectSetSerializationContext {
/**
* The parent shell for this UI context
*/
private final Shell shell;
/**
* Constructs a new instance.
*
* @param shell The parent shell for this UI context
* @param filename a filename or {@code null}
*/
public UIProjectSetSerializationContext(Shell shell, String filename) {
super(filename);
Assert.isNotNull(shell);
this.shell = shell;
}
/**
* Answer the shell associated with this UI context.
*
* @return the shell (not <code>null</code>)
*/
@Override
public Object getShell() {
return shell;
}
/**
* Given an array of projects that currently exist in the workspace
* prompt the user to determine which of those projects should be overwritten.
* <p>
* This default implementation prompts the user
* to determine which projects should be overwritten.
* Subclasses may override this as appropriate.
*
* @param projects
* an array of projects currently existing in the workspace
* that are desired to be overwritten.
* (not <code>null</code>, contains no <code>null</code>s)
* @return
* an array of zero or more projects that should be overwritten
* or <code>null</code> if the operation is to be canceled
*
* @see org.eclipse.team.core.ProjectSetSerializationContext#confirmOverwrite(org.eclipse.core.resources.IProject[])
*/
@Override
public IProject[] confirmOverwrite(final IProject[] projects) throws TeamException {
IPromptCondition prompt = new IPromptCondition() {
List resources = Arrays.asList(projects);
@Override
public boolean needsPrompt(IResource resource) {
if (resource instanceof IProject) {
IProject project = (IProject) resource;
return (project.exists() || getTargetFile(project).exists()) && resources.contains(resource);
}
return false;
}
@Override
public String promptMessage(IResource resource) {
if (resource.exists())
return NLS.bind(TeamUIMessages.UIProjectSetSerializationContext_0, new String[] { resource.getName() });
return NLS.bind(TeamUIMessages.UIProjectSetSerializationContext_2, new String[] { resource.getName(), getTargetFile((IProject)resource).getAbsolutePath() });
}
public File getTargetFile(IProject project) {
return new File(project.getParent().getLocation().toFile(), project.getName());
}
};
PromptingDialog dialog =
new PromptingDialog(
(Shell) getShell(),
projects,
prompt,
TeamUIMessages.UIProjectSetSerializationContext_1);
IResource[] resourcesToOverwrite;
try {
resourcesToOverwrite = dialog.promptForMultiple();
} catch (InterruptedException e) {
// Return null indicating that the user canceled the operation
return null;
}
IProject[] projectsToOverwrite = new IProject[resourcesToOverwrite.length];
System.arraycopy(resourcesToOverwrite, 0, projectsToOverwrite, 0, resourcesToOverwrite.length);
return projectsToOverwrite;
}
}
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