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.ui.group.grantedauthority;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.DisposeEvent;

import org.eclipse.swt.events.DisposeListener;

import org.eclipse.swt.events.MouseAdapter;

import org.eclipse.swt.events.MouseEvent;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Label;

import org.eclipse.ui.forms.widgets.FormToolkit;

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

import eu.etaxonomy.cdm.persistence.hibernate.permission.CdmAuthority;

import eu.etaxonomy.taxeditor.model.ImageResources;

import eu.etaxonomy.taxeditor.ui.section.grantedAuthority.GrantedAuthorityLabelTextProvider;

/**

 * Row widget for editing a single CDM Authority

 * 

 * @author cmathew

 * @created Mar 28, 2013

 *

 */

public class CdmAuthorityRow extends Composite {

	private final FormToolkit toolkit = new FormToolkit(Display.getCurrent());

	private Label lblEntity;

	private Label lblUuid;

	private CRUDOperationChooser operationChooser;

	private Button btnDelete;

	private GrantedAuthorityImpl grantedAuthorityI;

	private Label lblDirtyFlag;

	private CdmAuthorityCompositeViewer cdmaModel;

	private Label lblType;

	/**

	 * Create the composite, made up of 5 elements :

	 * 1. '*' or depending on whether the row is being edited 

	 * 2. Classname of entity (e.g. TAXONNODE) 

	 * 3. Uuid of entity 

	 * 4. CRUD operations edit widget (this is essentially 4 checkboxes to select the 4 possible operations) 

	 * 5. Delete button (to delete the row) 

	 * 

	 * @param parent

	 * @param style

	 */

	public CdmAuthorityRow(Composite parent, int style) {

		super(parent, SWT.NONE);

		addDisposeListener(new DisposeListener() {

			public void widgetDisposed(DisposeEvent e) {

				toolkit.dispose();

			}

		});

		toolkit.adapt(this);

		toolkit.paintBordersFor(this);

		setLayout(new GridLayout(6, false));

		lblDirtyFlag = new Label(this, SWT.NONE);

		lblDirtyFlag.setAlignment(SWT.CENTER);

		GridData gd_lblDirtyFlag = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);

		gd_lblDirtyFlag.widthHint = 15;

		lblDirtyFlag.setLayoutData(gd_lblDirtyFlag);

		toolkit.adapt(lblDirtyFlag, true, true);

		lblDirtyFlag.setText("*");

		lblType = new Label(this, SWT.BORDER);

		GridData gd_lblType = new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1);

		gd_lblType.heightHint = 30;

		gd_lblType.widthHint = 200;

		lblType.setLayoutData(gd_lblType);

		lblType.setText("Type");

		lblType.setAlignment(SWT.CENTER);

		toolkit.adapt(lblType, true, true);

		lblEntity = new Label(this, SWT.BORDER | SWT.WRAP | SWT.CENTER);

		GridData gd_lblEntity = new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1);

		gd_lblEntity.heightHint = 30;

		gd_lblEntity.widthHint = 200;

		lblEntity.setLayoutData(gd_lblEntity);

		lblEntity.setAlignment(SWT.CENTER);

		toolkit.adapt(lblEntity, true, true);

		lblEntity.setText("Entity");

		operationChooser = new CRUDOperationChooser(this, SWT.BORDER);

		operationChooser.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));

		toolkit.adapt(operationChooser);

		toolkit.paintBordersFor(operationChooser);

		btnDelete = new Button(this, SWT.NONE);

		btnDelete.setImage(ImageResources.getImage(ImageResources.TRASH_ICON));

		btnDelete.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1));

		btnDelete.addMouseListener(new MouseAdapter() {

			@Override

			public void mouseUp(MouseEvent arg0) {

				if(cdmaModel != null) {

					cdmaModel.removeCdmAuthority(grantedAuthorityI);

				}

			}

		});		

		toolkit.adapt(btnDelete, true, true);

	}

	/**

	 * Sets the dirty flag for this row

	 * 

	 * @param isDirty

	 */

	public void setDirty(boolean isDirty) {

		if(isDirty) {

			lblDirtyFlag.setText("*");

		} else {

			lblDirtyFlag.setText(" ");

		}

	}

	/**

	 * Create a {@link CdmAuthority} from a {@link GrantedAuthorityImpl} and create a row from it.

	 * 

	 * @param cdmaModel

	 * @param grantedAuthorityI

	 * @param isDirty

	 */

	public void setRowCdmAuthority(CdmAuthorityCompositeViewer cdmaModel, GrantedAuthorityImpl grantedAuthorityI, boolean isDirty, boolean showUuid) {

		this.grantedAuthorityI = grantedAuthorityI;		

		this.cdmaModel = cdmaModel;

		try {

			CdmAuthority cdmAuthority = CdmAuthority.fromGrantedAuthority(grantedAuthorityI);

			setDirty(isDirty);

			String entityStr = (cdmAuthority.getPermissionClass() == null)?"":cdmAuthority.getPermissionClass().toString();

			lblType.setText(entityStr);

			String targetLabelText = GrantedAuthorityLabelTextProvider.getTargetText(cdmAuthority);

			lblEntity.setText(targetLabelText);

			setUuidCellVisible(showUuid);

			if(lblUuid != null) {

				String targetUuid = cdmAuthority.getTargetUUID().toString();

				lblUuid.setText(targetUuid);

			}

			operationChooser.setAuthority(cdmaModel, grantedAuthorityI, cdmAuthority);				

		} catch (Exception e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	}

	public void setUuidCellVisible(boolean visible) {

		if(visible) {

			if(lblUuid == null) {

				createUuidCell();

			}

			lblUuid.moveAbove(operationChooser);

		} else {

			if(lblUuid != null) {

				lblUuid.dispose();

			}

			lblUuid = null;

		}

		layout();

	}

	private void createUuidCell() {

		lblUuid = new Label(this, SWT.BORDER | SWT.CENTER);

		GridData gd_lblUuid = new GridData(SWT.CENTER, SWT.CENTER, false, false, 1, 1);

		gd_lblUuid.heightHint = 30;

		gd_lblUuid.widthHint = 270;

		lblUuid.setLayoutData(gd_lblUuid);

		toolkit.adapt(lblUuid, true, true);

		lblUuid.setText("Uuid");

	}

}