/*******************************************************************************
 * Copyright (c) 2009, 2010 Progress Software Corporation.
 * 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.fusesource.tools.messaging.editors;

import java.io.File;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;
import org.fusesource.tools.messaging.core.IListener;

public class MessageEditorInput implements IStorageEditorInput {

    private MessageEditorStorage storage = null;

    private IListener listener = null;

    private IFile file = null;

    private final String name;

    private static String strConstant = "Listeners";

    public MessageEditorInput(IFile file, IListener listener) {
        storage = new MessageEditorStorage(listener, file);
        this.listener = listener;
        this.file = file;
        name = listener.getDestination() != null ? listener.getDestination().getDestinationName() : "Messages Editor";
    }

    /**
     * @return the listener
     */
    public IListener getListener() {
        return listener;
    }

    public IStorage getStorage() throws CoreException {
        return storage;
    }

    public boolean exists() {
        return false;
    }

    public ImageDescriptor getImageDescriptor() {
        return null;
    }

    public String getName() {
        return name;
    }

    public IPersistableElement getPersistable() {
        return null;
    }

    public String getToolTipText() {
        String type = listener.getDestination().getDestinationType().getType();
        StringBuilder editorTitle = new StringBuilder();
        IProject project = file.getProject();
        editorTitle.append(project.getName());
        editorTitle.append(File.separator);
        editorTitle.append(strConstant);
        editorTitle.append(File.separator);
        if (listener instanceof ILabelProvider) {
            editorTitle.append(((ILabelProvider) listener).getText(listener));
        } else {
            editorTitle.append(getName());
        }
        editorTitle.append(" (");
        editorTitle.append(type);
        editorTitle.append(")");
        return editorTitle.toString();
    }

    @SuppressWarnings("unchecked")
    public Object getAdapter(Class arg0) {
        return null;
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof MessageEditorInput)) {
            return false;
        }
        MessageEditorInput editorInput = (MessageEditorInput) obj;
        if (this.file.equals(editorInput.file) && this.listener.equals(editorInput.listener)) {
            return true;
        }
        return super.equals(obj);
    }
}