// $codepro.audit.disable com.instantiations.assist.eclipse.analysis.audit.rule.effectivejava.alwaysOverridetoString.alwaysOverrideToString, com.instantiations.assist.eclipse.analysis.deserializeabilitySecurity, com.instantiations.assist.eclipse.analysis.disallowReturnMutable, com.instantiations.assist.eclipse.analysis.enforceCloneableUsageSecurity, explicitThisUsage
/*******************************************************************************
 * Copyright (c) 2011, 2012 Ericsson AB and others.
 * 
 * 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
 * 
 * Description:
 * 
 * This class implements the Rule Area element of the UI model
 * 
 * Contributors:
 *   Sebastien Dubois - Created for Mylyn Review R4E project
 *   
 *******************************************************************************/

package org.eclipse.mylyn.reviews.r4e.ui.internal.model;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.window.Window;
import org.eclipse.mylyn.reviews.core.model.IReviewComponent;
import org.eclipse.mylyn.reviews.r4e.core.model.drules.DRModelFactory;
import org.eclipse.mylyn.reviews.r4e.core.model.drules.R4EDesignRuleArea;
import org.eclipse.mylyn.reviews.r4e.core.model.drules.R4EDesignRuleViolation;
import org.eclipse.mylyn.reviews.r4e.core.model.serial.impl.OutOfSyncException;
import org.eclipse.mylyn.reviews.r4e.core.model.serial.impl.ResourceHandlingException;
import org.eclipse.mylyn.reviews.r4e.ui.R4EUIPlugin;
import org.eclipse.mylyn.reviews.r4e.ui.internal.dialogs.IRuleViolationInputDialog;
import org.eclipse.mylyn.reviews.r4e.ui.internal.dialogs.R4EUIDialogFactory;
import org.eclipse.mylyn.reviews.r4e.ui.internal.navigator.ReviewNavigatorContentProvider;
import org.eclipse.mylyn.reviews.r4e.ui.internal.preferences.PreferenceConstants;
import org.eclipse.mylyn.reviews.r4e.ui.internal.properties.general.RuleAreaProperties;
import org.eclipse.ui.views.properties.IPropertySource;

/**
 * @author Sebastien Dubois
 * @version $Revision: 1.0 $
 */
public class R4EUIRuleArea extends R4EUIModelElement {

	// ------------------------------------------------------------------------
	// Constants
	// ------------------------------------------------------------------------

	/**
	 * Field RULE_AREA_ICON_FILE. (value is ""icons/obj16/rulearea_obj.gif"")
	 */
	public static final String RULE_AREA_ICON_FILE = "icons/obj16/rulearea_obj.gif";

	/**
	 * Field NEW_CHILD_ELEMENT_COMMAND_NAME. (value is ""New Rule Violation..."")
	 */
	private static final String NEW_CHILD_ELEMENT_COMMAND_NAME = "New Rule Violation...";

	/**
	 * Field NEW_CHILD_ELEMENT_COMMAND_TOOLTIP. (value is ""Add a New Rule Area to the Current Rule Set"")
	 */
	private static final String NEW_CHILD_ELEMENT_COMMAND_TOOLTIP = "Add a New Rule Violation to the Current Rule Area";

	/**
	 * Field REMOVE_ELEMENT_ACTION_NAME. (value is ""Disable Rule Area"")
	 */
	private static final String REMOVE_ELEMENT_COMMAND_NAME = "Disable Rule Area";

	/**
	 * Field REMOVE_ELEMENT_ACTION_TOOLTIP. (value is ""Disable this Rule Area from its parent Rule Set"")
	 */
	private static final String REMOVE_ELEMENT_COMMAND_TOOLTIP = "Disable this Rule Area" + " from its parent Rule Set";

	/**
	 * Field RESTORE_ELEMENT_COMMAND_NAME. (value is ""Restore Rule Area"")
	 */
	private static final String RESTORE_ELEMENT_COMMAND_NAME = "Restore Rule Area";

	/**
	 * Field RESTORE_ELEMENT_ACTION_TOOLTIP. (value is ""Restore this disabled Rule Area"")
	 */
	private static final String RESTORE_ELEMENT_COMMAND_TOOLTIP = "Restore this disabled Rule Area";

	// ------------------------------------------------------------------------
	// Member variables
	// ------------------------------------------------------------------------

	/**
	 * Field fGroup.
	 */
	protected R4EDesignRuleArea fArea;

	/**
	 * Field fViolations.
	 */
	private final List<R4EUIRuleViolation> fViolations;

	// ------------------------------------------------------------------------
	// Constructors
	// ------------------------------------------------------------------------

	/**
	 * Constructor for R4EUIRuleArea.
	 * 
	 * @param aParent
	 *            IR4EUIModelElement
	 * @param aArea
	 *            R4EDesignRuleArea
	 */
	public R4EUIRuleArea(IR4EUIModelElement aParent, R4EDesignRuleArea aArea) {
		super(aParent, aArea.getName());
		fReadOnly = aParent.isReadOnly();
		fArea = aArea;
		fViolations = new ArrayList<R4EUIRuleViolation>();
	}

	// ------------------------------------------------------------------------
	// Methods
	// ------------------------------------------------------------------------

	/**
	 * Method getImageLocation.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getImageLocation()
	 */
	public String getImageLocation() {
		return RULE_AREA_ICON_FILE;
	}

	/**
	 * Method getAdapter.
	 * 
	 * @param adapter
	 *            Class
	 * @return Object
	 * @see org.eclipse.core.runtime.IAdaptable#getAdapter(Class)
	 */
	@Override
	public Object getAdapter(@SuppressWarnings("rawtypes")
	Class adapter) {
		if (IR4EUIModelElement.class.equals(adapter)) {
			return this;
		}
		if (IPropertySource.class.equals(adapter)) {
			return new RuleAreaProperties(this);
		}
		return null;
	}

	//Attributes

	/**
	 * Method getArea.
	 * 
	 * @return R4EDesignRuleArea
	 */
	public R4EDesignRuleArea getArea() {
		return fArea;
	}

	/**
	 * Create a serialization model element object
	 * 
	 * @return the new serialization element object
	 */
	@Override
	public List<IReviewComponent> createChildModelDataElement() {
		//Get Rule Violations from user and set it in model data
		final List<IReviewComponent> tempViolations = new ArrayList<IReviewComponent>();

		final IRuleViolationInputDialog dialog = R4EUIDialogFactory.getInstance().getRuleViolationInputDialog();
		final int result = dialog.open();
		if (result == Window.OK) {
			final R4EDesignRuleViolation tempViolation = DRModelFactory.eINSTANCE.createR4EDesignRuleViolation();
			tempViolation.setName(dialog.getNameValue());
			tempViolations.add(tempViolation);
		}
		return tempViolations;
	}

	//Hierarchy

	/**
	 * Method getChildren.
	 * 
	 * @return IR4EUIModelElement[]
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getChildren()
	 */
	@Override
	public IR4EUIModelElement[] getChildren() {
		return fViolations.toArray(new R4EUIRuleViolation[fViolations.size()]);
	}

	/**
	 * Method getViolationList.
	 * 
	 * @return List<R4EUIRuleViolation>
	 */
	public List<R4EUIRuleViolation> getViolationList() {
		return fViolations;
	}

	/**
	 * Method hasChildren.
	 * 
	 * @return boolean
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#hasChildren()
	 */
	@Override
	public boolean hasChildren() {
		if (fViolations.size() > 0) {
			return true;
		}
		return false;
	}

	/**
	 * Close the model element (i.e. disable it)
	 * 
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#close()
	 */
	@Override
	public void close() {
		//Remove all children references
		R4EUIRuleViolation violation = null;
		final int violationSize = fViolations.size();
		for (int i = 0; i < violationSize; i++) {

			violation = fViolations.get(i);
			violation.close();
		}
		fViolations.clear();
		fOpen = false;
	}

	/**
	 * Method open.
	 */
	@Override
	public void open() {
		final List<R4EDesignRuleViolation> violations = fArea.getViolations();
		if (null != violations) {
			R4EUIRuleViolation uiViolation = null;
			final int violationSize = violations.size();
			for (int i = 0; i < violationSize; i++) {
				if (violations.get(i).isEnabled()
						|| R4EUIPlugin.getDefault()
								.getPreferenceStore()
								.getBoolean(PreferenceConstants.P_SHOW_DISABLED)) {
					uiViolation = new R4EUIRuleViolation(this, violations.get(i));
					addChildren(uiViolation);
					if (uiViolation.isEnabled()) {
						uiViolation.open();
					}
				}
			}
		}
		fOpen = true;
	}

	/**
	 * Method setEnabled.
	 * 
	 * @param aEnabled
	 *            boolean
	 * @throws ResourceHandlingException
	 * @throws OutOfSyncException
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#setEnabled(boolean)
	 */
	@Override
	public void setEnabled(boolean aEnabled) throws ResourceHandlingException, OutOfSyncException {
		final Long bookNum = R4EUIModelController.FResourceUpdater.checkOut(fArea, R4EUIModelController.getReviewer());
		fArea.setEnabled(true);
		R4EUIModelController.FResourceUpdater.checkIn(bookNum);
	}

	/**
	 * Method isEnabled.
	 * 
	 * @return boolean
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#isEnabled()
	 */
	@Override
	public boolean isEnabled() {
		return fArea.isEnabled();
	}

	/**
	 * Method addChildren.
	 * 
	 * @param aChildToAdd
	 *            IR4EUIModelElement
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#addChildren(IR4EUIModelElement)
	 */
	@Override
	public void addChildren(IR4EUIModelElement aChildToAdd) {
		fViolations.add((R4EUIRuleViolation) aChildToAdd);
	}

	/**
	 * Method createChildren
	 * 
	 * @param aModelComponent
	 *            - the serialization model component object
	 * @return IR4EUIModelElement
	 * @throws ResourceHandlingException
	 * @throws OutOfSyncException
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#createChildren(ReviewNavigatorContentProvider)
	 */
	@Override
	public IR4EUIModelElement createChildren(IReviewComponent aModelComponent) throws ResourceHandlingException,
			OutOfSyncException {
		final R4EDesignRuleViolation violation = R4EUIModelController.FModelExt.createR4EDesignRuleViolation(fArea);
		final Long bookNum = R4EUIModelController.FResourceUpdater.checkOut(violation,
				R4EUIModelController.getReviewer());
		violation.setName(((R4EDesignRuleViolation) aModelComponent).getName());
		R4EUIModelController.FResourceUpdater.checkIn(bookNum);
		final R4EUIRuleViolation addedChild = new R4EUIRuleViolation(this, violation);
		addChildren(addedChild);
		return addedChild;
	}

	/**
	 * Method removeChildren.
	 * 
	 * @param aChildToRemove
	 *            IR4EUIModelElement
	 * @param aFileRemove
	 *            - also remove from file (hard remove)
	 * @throws OutOfSyncException
	 * @throws ResourceHandlingException
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#removeChildren(IR4EUIModelElement)
	 */
	@Override
	public void removeChildren(IR4EUIModelElement aChildToRemove, boolean aFileRemove)
			throws ResourceHandlingException, OutOfSyncException {

		final R4EUIRuleViolation removedElement = fViolations.get(fViolations.indexOf(aChildToRemove));
		/* TODO uncomment when core model supports hard-removing of elements
		if (aFileRemove) removedElement.getViolation().remove());
		else */
		final R4EDesignRuleViolation modelViolation = removedElement.getViolation();
		final Long bookNum = R4EUIModelController.FResourceUpdater.checkOut(modelViolation,
				R4EUIModelController.getReviewer());
		modelViolation.setEnabled(false);
		R4EUIModelController.FResourceUpdater.checkIn(bookNum);

		//Remove element from UI if the show disabled element option is off
		if (!(R4EUIPlugin.getDefault().getPreferenceStore().getBoolean(PreferenceConstants.P_SHOW_DISABLED))) {
			fViolations.remove(removedElement);
		}
	}

	/**
	 * Method removeAllChildren.
	 * 
	 * @param aFileRemove
	 *            boolean
	 * @throws OutOfSyncException
	 * @throws ResourceHandlingException
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#removeAllChildren(boolean)
	 */
	@Override
	public void removeAllChildren(boolean aFileRemove) throws ResourceHandlingException, OutOfSyncException {
		//Recursively remove all children
		for (R4EUIRuleViolation area : fViolations) {
			removeChildren(area, aFileRemove);
		}
	}

	//Listeners

/*	*//**
	 * Method addListener.
	 * 
	 * @param aProvider
	 *            ReviewNavigatorContentProvider
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#addListener(ReviewNavigatorContentProvider)
	 */
	/*
	@Override
	public void addListener(ReviewNavigatorContentProvider aProvider) {
	super.addListener(aProvider);
	if (null != fViolations) {
		R4EUIRuleViolation element = null;
		for (final Iterator<R4EUIRuleViolation> iterator = fViolations.iterator(); iterator.hasNext();) {
			element = iterator.next();
			element.addListener(aProvider);
		}
	}
	}

	*//**
	 * Method removeListener.
	 * 
	 * @param aProvider
	 *            ReviewNavigatorContentProvider
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#removeListener()
	 */
	/*
	@Override
	public void removeListener(ReviewNavigatorContentProvider aProvider) {
	super.removeListener(aProvider);
	if (null != fViolations) {
		R4EUIRuleViolation element = null;
		for (final Iterator<R4EUIRuleViolation> iterator = fViolations.iterator(); iterator.hasNext();) {
			element = iterator.next();
			element.removeListener(aProvider);
		}
	}
	}*/

	//Commands

	/**
	 * Method isAddChildElementCmd.
	 * 
	 * @return boolean
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#isNewChildElementCmd()
	 */
	@Override
	public boolean isNewChildElementCmd() {
		if (isEnabled() && !isReadOnly()) {
			return true;
		}
		return false;
	}

	/**
	 * Method getAddChildElementCmdName.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getNewChildElementCmdName()
	 */
	@Override
	public String getNewChildElementCmdName() {
		return NEW_CHILD_ELEMENT_COMMAND_NAME;
	}

	/**
	 * Method getAddChildElementCmdTooltip.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getNewChildElementCmdTooltip()
	 */
	@Override
	public String getNewChildElementCmdTooltip() {
		return NEW_CHILD_ELEMENT_COMMAND_TOOLTIP;
	}

	/**
	 * Method isRemoveElementCmd.
	 * 
	 * @return boolean
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#isRemoveElementCmd()
	 */
	@Override
	public boolean isRemoveElementCmd() {
		if (isEnabled() && !isReadOnly()) {
			return true;
		}
		return false;
	}

	/**
	 * Method getRemoveElementCmdName.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getRemoveElementCmdName()
	 */
	@Override
	public String getRemoveElementCmdName() {
		return REMOVE_ELEMENT_COMMAND_NAME;
	}

	/**
	 * Method getRemoveElementCmdTooltip.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getRemoveElementCmdTooltip()
	 */
	@Override
	public String getRemoveElementCmdTooltip() {
		return REMOVE_ELEMENT_COMMAND_TOOLTIP;
	}

	/**
	 * Method isRestoreElementCmd.
	 * 
	 * @return boolean
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#iisRestoreElementCmd()
	 */
	@Override
	public boolean isRestoreElementCmd() {
		if (isEnabled() || isReadOnly()) {
			return false;
		}
		return true;
	}

	/**
	 * Method getRestoreElementCmdName.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getRestoreElementCmdName()
	 */
	@Override
	public String getRestoreElementCmdName() {
		return RESTORE_ELEMENT_COMMAND_NAME;
	}

	/**
	 * Method getRestoreElementCmdTooltip.
	 * 
	 * @return String
	 * @see org.eclipse.mylyn.reviews.r4e.ui.internal.model.IR4EUIModelElement#getRestoreElementCmdTooltip()
	 */
	@Override
	public String getRestoreElementCmdTooltip() {
		return RESTORE_ELEMENT_COMMAND_TOOLTIP;
	}
}