/*
 * Copyright (C) 2007-2012 Argeo GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.argeo.slc.client.ui.dist.editors;

import org.argeo.jcr.JcrUtils;
import org.argeo.slc.SlcException;
import org.argeo.slc.jcr.SlcNames;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IPersistableElement;

/**
 * An editor input for a JCR node object in a multi-repository environment.
 */
public class ModuleEditorInput implements IEditorInput, SlcNames {

	// Define relevant workspace on a given repository
	private String repoNodePath;
	private String uri;
	private String workspaceName;
	private String modulePath;

	public ModuleEditorInput(String repoNodePath, String uri,
			String workspaceName, String artifactPath) {
		if (workspaceName == null)
			throw new SlcException("Workspace name cannot be null");
		if (uri == null)
			throw new SlcException("URI for repository cannot be null");
		if (artifactPath == null)
			throw new SlcException("Module path cannot be null");
		this.repoNodePath = repoNodePath;
		this.uri = uri;
		this.workspaceName = workspaceName;
		this.modulePath = artifactPath;
	}

	public String getModulePath() {
		return modulePath;
	}

	public String getWorkspaceName() {
		return workspaceName;
	}

	public String getRepoNodePath() {
		return repoNodePath;
	}

	public String getUri() {
		return uri;
	}

	public Object getAdapter(@SuppressWarnings("rawtypes") Class adapter) {
		return null;
	}

	public boolean exists() {
		return true;
	}

	public ImageDescriptor getImageDescriptor() {
		return null;
	}

	// Dummy compulsory methods
	public String getToolTipText() {
		return getModulePath();
	}

	public String getName() {
		return JcrUtils.lastPathElement(modulePath);
	}

	public IPersistableElement getPersistable() {
		return null;
	}

	/**
	 * equals method based on coordinates
	 */
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;

		ModuleEditorInput other = (ModuleEditorInput) obj;

		if (!modulePath.equals(other.getModulePath()))
			return false;
		if (!workspaceName.equals(other.getWorkspaceName()))
			return false;
		if (!uri.equals(other.getUri()))
			return false;

		if (repoNodePath == null)
			return other.getRepoNodePath() == null;
		else
			return repoNodePath.equals(other.getRepoNodePath());
	}
}