/*******************************************************************************
 * Copyright (c) 2008 Conselleria de Infraestructuras y Transporte,
 * Generalitat de la Comunitat Valenciana .
 * 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: Francisco Javier Cano Muñoz (Prodevelop) - initial API implementation
 *
 ******************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.part;

import org.eclipse.emf.common.ui.URIEditorInput;
import org.eclipse.emf.common.util.URI;
import org.eclipse.papyrus.uml.diagram.common.util.MDTUtil;
import org.eclipse.papyrus.uml.diagram.common.util.PathsUtil;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.part.FileEditorInput;

// TODO: Auto-generated Javadoc
/**
 * The Class CachedResourcesEditorInput.
 * 
 * @author <a href="mailto:fjcano@prodevelop.es">Francisco Javier Cano Muñoz</a>
 */
public class CachedResourcesEditorInput extends URIEditorInput {

	/** The unload. */
	private boolean unload = true;

	/**
	 * Flag to open in newEditor.
	 */
	private boolean openInNewEditor = false;

	/**
	 * Instantiates a new cached resources editor input.
	 * 
	 * @param uri
	 *        the uri
	 */
	// @unused
	public CachedResourcesEditorInput(URI uri) {
		super(uri);
	}

	/**
	 * Instantiates a new cached resources editor input.
	 * 
	 * @param uri
	 *        the uri
	 * @param name
	 *        the name
	 */
	public CachedResourcesEditorInput(URI uri, String name) {
		super(uri, name);
	}

	/**
	 * Instantiates a new cached resources editor input.
	 * 
	 * @param uri
	 *        the uri
	 * @param name
	 *        the name
	 * @param unload
	 *        the unload
	 */
	// @unused
	public CachedResourcesEditorInput(URI uri, String name, boolean unload) {
		this(uri, name, unload, false);
	}

	/**
	 * Instantiates a new cached resources editor input.
	 * 
	 * @param uri
	 *        the uri
	 * @param unload
	 *        the unload
	 */
	public CachedResourcesEditorInput(URI uri, boolean unload) {
		this(uri, null, unload, false);
	}

	public CachedResourcesEditorInput(URI uri, String name, boolean unload, boolean openInNewEditor) {
		super(uri, name);
		this.unload = unload;
		this.openInNewEditor = openInNewEditor;
	}

	/**
	 * Sets the unload.
	 * 
	 * @param unload
	 *        the new unload
	 */
	public void setUnload(boolean unload) {
		this.unload = unload;
	}

	/**
	 * Checks if is unload.
	 * 
	 * @return true, if is unload
	 */
	public boolean isUnload() {
		return unload;
	}

	// @unused
	public void setOpenInNewEditor(boolean openInNewEditor) {
		this.openInNewEditor = openInNewEditor;
	}

	public boolean isOpenInNewEditor() {
		return openInNewEditor;
	}

	/**
	 * Check same editor input.
	 * 
	 * @param input1
	 *        the input1
	 * @param input2
	 *        the input2
	 * 
	 * @return true, if successful
	 */
	public static boolean checkSameEditorInput(IEditorInput input1, IEditorInput input2) {
		String uri1 = "", uri2 = "";
		uri1 = PathsUtil.getRelativeWorkspaceFromEditorInput(input1);
		uri2 = PathsUtil.getRelativeWorkspaceFromEditorInput(input2);
		if(uri1.equals(uri2)) {
			return true;
		}
		return false;
	}

	// @unused
	public static boolean checkSameEditorInputWithFragment(IEditorInput input1, IEditorInput input2) {
		String uri1 = "", uri2 = "";
		uri1 = PathsUtil.getRelativeWorkspaceFromEditorInputWithFragment(input1);
		uri2 = PathsUtil.getRelativeWorkspaceFromEditorInputWithFragment(input2);
		if(uri1.equals(uri2)) {
			return true;
		}
		return false;
	}

	/**
	 * To platform resource. Removes <URI>'s fragments.
	 * 
	 * @param input
	 *        the input
	 * 
	 * @return the string
	 */
	// @unused
	public static String toPlatformResource(IEditorInput input) {
		String uri = "";
		if(input instanceof FileEditorInput) {
			uri = ((FileEditorInput)input).getURI().toString();
		}
		if(input instanceof URIEditorInput) {
			uri = ((URIEditorInput)input).getURI().trimFragment().toString();
		}

		if(uri.startsWith("platform:/resource")) {
			return uri;
		}

		if(uri.startsWith("file:")) {
			uri = uri.replaceFirst("file:", "");
		}
		if(uri.startsWith(MDTUtil.getWorkspaceLocation().toString())) {
			uri = uri.replaceFirst(MDTUtil.getWorkspaceLocation().toString(), "");
			return "platform:/resource" + uri;
		}

		return uri;
	}

	/**
	 * To platform resource. Does not remove <URI>'s fragments.
	 * 
	 * @param input
	 *        the input
	 * 
	 * @return the string
	 */
	// @unused
	public static String toPlatformResourceWithFragment(IEditorInput input) {
		String uri = "";
		if(input instanceof FileEditorInput) {
			uri = ((FileEditorInput)input).getURI().toString();
		}
		if(input instanceof URIEditorInput) {
			uri = ((URIEditorInput)input).getURI().toString();
		}

		if(uri.startsWith("platform:/resource")) {
			return uri;
		}

		if(uri.startsWith("file:")) {
			uri = uri.replaceFirst("file:", "");
		}
		if(uri.startsWith(MDTUtil.getWorkspaceLocation().toString())) {
			uri = uri.replaceFirst(MDTUtil.getWorkspaceLocation().toString(), "");
			return "platform:/resource" + uri;
		}

		return uri;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.common.ui.URIEditorInput#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object o) {
		if(o instanceof IEditorInput) {
			return checkSameEditorInput(this, (IEditorInput)o);
		}
		return false;
	}

}