org.eclipse.ui.NavigationLocation Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui;
/**
* Default implementation of INavigationLocation.
*
* @since 2.1
*/
public abstract class NavigationLocation implements INavigationLocation {
private IWorkbenchPage page;
private IEditorInput input;
/**
* Constructs a NavigationLocation with its editor part.
*
* @param editorPart
*/
protected NavigationLocation(IEditorPart editorPart) {
this.page = editorPart.getSite().getPage();
this.input = editorPart.getEditorInput();
}
/**
* Returns the part that the receiver holds the location for.
*
* @return IEditorPart
*/
protected IEditorPart getEditorPart() {
if (input == null) {
return null;
}
return page.findEditor(input);
}
@Override
public Object getInput() {
return input;
}
@Override
public String getText() {
IEditorPart part = getEditorPart();
if (part == null) {
return ""; //$NON-NLS-1$
}
return part.getTitle();
}
@Override
public void setInput(Object input) {
this.input = (IEditorInput) input;
}
/**
* May be extended by clients.
*
* @see org.eclipse.ui.INavigationLocation#dispose()
*/
@Override
public void dispose() {
releaseState();
}
/**
* May be extended by clients.
*
* @see org.eclipse.ui.INavigationLocation#releaseState()
*/
@Override
public void releaseState() {
input = null;
}
}