EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.taxeditor.editor.group.authority;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.swt.SWT;

import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.ui.IEditorInput;

import org.eclipse.ui.IEditorSite;

import org.eclipse.ui.PartInitException;

import org.eclipse.ui.PlatformUI;

import org.eclipse.ui.part.EditorPart;

import eu.etaxonomy.cdm.api.conversation.ConversationHolder;

import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;

import eu.etaxonomy.cdm.model.common.Group;

import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;

import eu.etaxonomy.taxeditor.model.IDirtyMarkable;

import eu.etaxonomy.taxeditor.ui.group.grantedauthority.CdmAuthorityCompositeViewer;

/**

 * Editor responsible for editing authorities related to a particular {@link Group} entity.

 *

 * @author cmathew

 * @created Mar 28, 2013

 *

 */

public class CdmAuthorityEditor extends EditorPart implements IConversationEnabled, IDirtyMarkable {

	public static final String ID = "eu.etaxonomy.taxeditor.editor.group.authority"; //$NON-NLS-1$

	private boolean dirty;

	private ConversationHolder conversation;

	private CdmAuthorityCompositeViewer viewer;

	public CdmAuthorityEditor() {

	}

	/**

	 * Create contents of the editor part.

	 * @param parent

	 */

	@Override

	public void createPartControl(Composite parent) {

		Composite container = new Composite(parent, SWT.NONE);

		container.setLayout(new FillLayout(SWT.HORIZONTAL));

		this.viewer = new CdmAuthorityCompositeViewer(container, this,((CdmAuthorityEditorInput) getEditorInput()).getGroup());

		conversation = ((CdmAuthorityEditorInput) getEditorInput()).getConversationHolder();

		setPartName(getEditorInput().getName());

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.part.WorkbenchPart#setFocus()

	 */

	@Override

	public void setFocus() {

	    PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().setFocus();

	    ((CdmAuthorityEditorInput) getEditorInput()).bind();

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.part.EditorPart#doSave(org.eclipse.core.runtime.IProgressMonitor)

	 */

	@Override

	public void doSave(IProgressMonitor monitor) {

		try {

			monitor.beginTask("Saving CDM Authority Editor", 1);

			getConversationHolder().commit(true);

			((CdmAuthorityEditorInput) getEditorInput()).merge();

			dirty = false;

			firePropertyChange(PROP_DIRTY);

			monitor.worked(1);

		} finally {

			monitor.done();

			viewer.save();

		}

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.part.EditorPart#doSaveAs()

	 */

	@Override

	public void doSaveAs() {

		// Do the Save As operation

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.part.EditorPart#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)

	 */

	@Override

	public void init(IEditorSite site, IEditorInput input)

			throws PartInitException {

		setSite(site);

		setInput(input);

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.part.EditorPart#isDirty()

	 */

	@Override

	public boolean isDirty() {

		return dirty;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.ui.part.EditorPart#isSaveAsAllowed()

	 */

	@Override

	public boolean isSaveAsAllowed() {

		return false;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)

	 */

	@Override

	public void update(CdmDataChangeMap changeEvents) {

		// TODO Auto-generated method stub

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#changed(java.lang.Object)

	 */

	@Override

	public void changed(Object element) {

		//FIXME : should be optimised to split changes into adding / removing authorities

		//        vs updating authorites

		dirty = viewer.isDirty();

		firePropertyChange(PROP_DIRTY);

		// if the change has happened on the group then refresh the table

		if(element instanceof Group) {

			//FIXME: activating (setting focus) on the editor happens on every change

			//       This should be changed to only when the drop is successful

			getSite().getPage().activate(this);

		}

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#forceDirty()

	 */

	@Override

	public void forceDirty() {

	    changed(null);

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()

	 */

	@Override

	public ConversationHolder getConversationHolder() {

		return conversation;

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see org.eclipse.ui.forms.editor.FormEditor#dispose()

	 */

	@Override

	public void dispose() {

		conversation.unregisterForDataStoreChanges(this);

		conversation.close();

		((CdmAuthorityEditorInput) getEditorInput()).getCdmEntitySession().dispose();

		super.dispose();

	}

}