/*******************************************************************************
* Copyright (C) 2011, Greg Amerson <gregory.amerson@liferay.com>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.egit.ui.internal.synchronize.action;
import java.io.File;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.synchronize.model.GitModelObject;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.util.OpenStrategy;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.actions.SelectionListenerAction;
import org.eclipse.ui.ide.IDE;
/**
* Action for opening an editor on the currently selected git working file.
*
* <p>
* This class may be instantiated; it is not intended to be subclassed.
* </p>
*
* @noextend This class is not intended to be subclassed by clients.
*/
public class OpenWorkingFileAction extends SelectionListenerAction {
/**
* The workbench page to open the editor in.
*/
private IWorkbenchPage workbenchPage;
/**
* Creates a new action that will open editors on the selected working file
* resources.
*
* @param page
* the workbench page in which to open the editor
*/
public OpenWorkingFileAction(IWorkbenchPage page) {
super(null);
setText(UIText.OpenWorkingFileAction_text);
setToolTipText(UIText.OpenWorkingFileAction_tooltip);
this.workbenchPage = page;
}
/**
* Return the workbench page to open the editor in.
*
* @return the workbench page to open the editor in
*/
protected IWorkbenchPage getWorkbenchPage() {
return workbenchPage;
}
/**
* Opens a editor on the given file resource.
*
* @param file
* the workspace file
*/
protected void openWorkspaceFile(IFile file) {
try {
boolean activate = OpenStrategy.activateOnOpen();
IDE.openEditor(getWorkbenchPage(), file, activate);
} catch (PartInitException e) {
ErrorDialog.openError(getWorkbenchPage().getWorkbenchWindow()
.getShell(),
UIText.OpenWorkingFileAction_openWorkingFileShellTitle, e
.getMessage(), e.getStatus());
}
}
/**
* Opens external file, the editor that is used is based on best guess from
* file name.
*
* @param file
* the external file
*/
protected void openExternalFile(File file) {
try {
boolean activate = OpenStrategy.activateOnOpen();
IEditorDescriptor desc = IDE.getEditorDescriptor(file.getName());
IDE.openEditor(getWorkbenchPage(), file.toURI(), desc.getId(),
activate);
} catch (PartInitException e) {
ErrorDialog.openError(getWorkbenchPage().getWorkbenchWindow()
.getShell(),
UIText.OpenWorkingFileAction_openWorkingFileShellTitle, e
.getMessage(), e.getStatus());
}
}
/*
* (non-Javadoc) Method declared on IAction.
*/
public void run() {
IStructuredSelection selection = getStructuredSelection();
IResource resource = getExistingResource(selection);
if (resource instanceof IFile)
openWorkspaceFile((IFile) resource);
else {
Object element = selection.getFirstElement();
if (element instanceof GitModelObject) {
IPath location = ((GitModelObject) element).getLocation();
if (location != null && location.toFile().exists())
openExternalFile(location.toFile());
}
}
}
private IResource getExistingResource(IStructuredSelection selection) {
Object element = selection.getFirstElement();
if (element instanceof IAdaptable) {
IResource resource = (IResource) ((IAdaptable) element)
.getAdapter(IResource.class);
if (resource != null && resource.exists())
return resource;
}
return null;
}
/**
* Enable the action only if the selection contains IFiles
*/
protected boolean updateSelection(IStructuredSelection selection) {
return super.updateSelection(selection)
&& selectionIsOfType(IResource.FILE);
}
}