EDIT

// $Id$

/**

 * 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.key;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.ui.IEditorInput;

import org.eclipse.ui.IEditorPart;

import org.eclipse.ui.IEditorSite;

import org.eclipse.ui.PartInitException;

import org.eclipse.ui.forms.editor.FormEditor;

import eu.etaxonomy.cdm.api.application.CdmApplicationState;

import eu.etaxonomy.cdm.api.application.CdmChangeEvent;

import eu.etaxonomy.cdm.api.application.ICdmChangeListener;

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

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

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

import eu.etaxonomy.cdm.model.description.PolytomousKey;

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

import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyEditorInput;

import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyGraphEditor;

import eu.etaxonomy.taxeditor.editor.key.polytomous.PolytomousKeyListEditor;

import eu.etaxonomy.taxeditor.model.DataChangeBridge;

import eu.etaxonomy.taxeditor.model.IDirtyMarkable;

import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;

import eu.etaxonomy.taxeditor.model.MessagingUtils;

/**

 * @author n.hoffmann

 * @created Mar 30, 2011

 * @version 1.0

 */

public class KeyEditor extends FormEditor implements IConversationEnabled,

		IDirtyMarkable, IPartContentHasDetails, ICdmChangeListener {

	public static final String ID = "eu.etaxonomy.taxeditor.editor.key";

	private ConversationHolder conversation;

	private boolean dirty;

	private KeyEditorDataChangeBehaviour dataChangeBehavior;

	private PolytomousKeyEditorInput polytomousKeyEditorInput;

	/*

     * (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 {

        polytomousKeyEditorInput = (PolytomousKeyEditorInput)input;

        CdmApplicationState.getCurrentDataChangeService().register(this);

        super.init(site, input);

    }

	/*

	 * (non-Javadoc)

	 *

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

	 * IProgressMonitor)

	 */

	@Override

	public void doSave(IProgressMonitor monitor) {

		try {

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

			getConversationHolder().bind();

			getConversationHolder().commit(true);

			polytomousKeyEditorInput.merge();

			setDirty(false);

			monitor.worked(1);

		} finally {

			monitor.done();

		}

	}

	/*

	 * (non-Javadoc)

	 *

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

	 */

	@Override

	public void doSaveAs() {

		// not allowed

	}

	/*

	 * (non-Javadoc)

	 *

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

	 */

	@Override

	public boolean isSaveAsAllowed() {

		return false;

	}

	@Override

	public void setFocus() {

		getConversationHolder().bind();

		polytomousKeyEditorInput.bind();

		super.setFocus();

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see

	 * eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update

	 * (eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)

	 */

	@Override

	public void update(CdmDataChangeMap map) {

		if(dataChangeBehavior == null){

			dataChangeBehavior = new KeyEditorDataChangeBehaviour(this);

		}

		DataChangeBridge.handleDataChange(map, dataChangeBehavior);

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see

	 * eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder

	 * ()

	 */

	@Override

	public ConversationHolder getConversationHolder() {

		return conversation;

	}

	/*

	 * (non-Javadoc)

	 *

	 * @see

	 * eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#changed(

	 * java.lang.Object)

	 */

	@Override

	public void changed(Object element) {

		editorDirtyStateChanged();

		IEditorPart activeEditor = getActiveEditor();

		if (activeEditor instanceof IDirtyMarkable) {

			((IDirtyMarkable) activeEditor).changed(element);

		}

	}

    /* (non-Javadoc)

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

     */

    @Override

    public void forceDirty() {

        changed(null);

    }

	/*

	 * (non-Javadoc)

	 *

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

	 */

	@Override

	public void editorDirtyStateChanged() {

		dirty = true;

		super.editorDirtyStateChanged();

	}

	@Override

	protected void handlePropertyChange(int propertyId) {

		if (propertyId == PROP_DIRTY) {

			setDirty(true);

		}

		super.handlePropertyChange(propertyId);

	}

	private void setDirty(boolean dirty) {

		this.dirty = dirty;

		firePropertyChange(PROP_DIRTY);

	}

	/*

	 * (non-Javadoc)

	 *

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

	 */

	@Override

	public boolean isDirty() {

		return dirty;

	}

	/*

	 * (non-Javadoc)

	 *

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

	 */

	@Override

	public void dispose() {

		conversation.unregisterForDataStoreChanges(this);

		conversation.close();

		polytomousKeyEditorInput.dispose();

		CdmApplicationState.getCurrentDataChangeService().unregister(this);

		super.dispose();

	}

	/*

	 * (non-Javadoc)

	 *

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

	 */

	@Override

	protected void addPages() {

		conversation = polytomousKeyEditorInput.getConversationHolder();

		conversation.registerForDataStoreChanges(this);

		try {

			addPage(0, new PolytomousKeyListEditor(this), polytomousKeyEditorInput);

			setPageText(0, "List");

			addPage(1, new PolytomousKeyGraphEditor(this), polytomousKeyEditorInput);

			setPageText(1, "Graph");

		} catch (PartInitException e) {

			MessagingUtils.error(getClass(), e);

		}

		setPartName();

	}

	/**

	 *

	 */

	public void setPartName() {

		PolytomousKey key = polytomousKeyEditorInput.getKey();

		setPartName(key.getTitleCache());

	}

    /* (non-Javadoc)

     * @see eu.etaxonomy.cdm.api.application.ICdmChangeListener#onChange(eu.etaxonomy.cdm.api.application.CdmChangeEvent)

     */

    @Override

    public void onChange(CdmChangeEvent event) {

        editorDirtyStateChanged();

        IEditorPart activeEditor = getActiveEditor();

        if (activeEditor instanceof IDirtyMarkable) {

            for(CdmBase cdmBase : event.getChangedObjects()) {

                ((IDirtyMarkable) activeEditor).changed(cdmBase);

            }

        }

    }

}