r/org.eclipse.statet.r.debug.ui/src/org/eclipse/statet/internal/r/debug/ui/RRuntimeSourceEditorInput.java

/*=============================================================================#
 # Copyright (c) 2010, 2019 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.internal.r.debug.ui;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IPersistableElement;

import org.eclipse.statet.jcommons.ts.core.Tool;

import org.eclipse.statet.ecommons.text.ISourceFragment;

import org.eclipse.statet.ltk.ui.sourceediting.ISourceFragmentEditorInput;
import org.eclipse.statet.nico.core.runtime.ToolProcess;
import org.eclipse.statet.r.debug.core.sourcelookup.RRuntimeSourceFragment;


public class RRuntimeSourceEditorInput implements ISourceFragmentEditorInput {
	
	
	private final RRuntimeSourceFragment fragment;
	
	
	public RRuntimeSourceEditorInput(final RRuntimeSourceFragment fragment) {
		if (fragment == null) {
			throw new NullPointerException("fragment"); //$NON-NLS-1$
		}
		this.fragment = fragment;
	}
	
	
	@Override
	public ISourceFragment getSourceFragment() {
		return this.fragment;
	}
	
	@Override
	public ImageDescriptor getImageDescriptor() {
		return RDebugUIPlugin.getInstance().getImageRegistry().getDescriptor(
				RDebugUIPlugin.IMG_OBJ_R_SOURCE_FROM_RUNTIME );
	}
	
	@Override
	public String getName() {
		return this.fragment.getName();
	}
	
	@Override
	public boolean exists() {
		return !this.fragment.getProcess().isTerminated();
	}
	
	@Override
	public String getToolTipText() {
		return this.fragment.getFullName() + '\n' + this.fragment.getProcess().getLabel(Tool.LONG_LABEL);
	}
	
	@Override
	public IPersistableElement getPersistable() {
		return null;
	}
	
	
	@Override
	@SuppressWarnings("unchecked")
	public <T> T getAdapter(final Class<T> adapterType) {
		if (adapterType == ToolProcess.class) {
			return (T) this.fragment.getProcess();
		}
		return null;
	}
	
	@Override
	public int hashCode() {
		return this.fragment.hashCode();
	}
	
	@Override
	public boolean equals(final Object obj) {
		if (this == obj) {
			return true;
		}
		if (!(obj instanceof RRuntimeSourceEditorInput)) {
			return false;
		}
		final RRuntimeSourceEditorInput other = (RRuntimeSourceEditorInput) obj;
		return this.fragment.equals(other.fragment);
	}
	
	@Override
	public String toString() {
		return this.fragment.getFullName() + " - " + this.fragment.getProcess().getLabel(Tool.LONG_LABEL); //$NON-NLS-1$
	}
	
}