EDIT

package eu.etaxonomy.taxeditor.editor.view.derivate;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.jface.action.MenuManager;

import org.eclipse.jface.viewers.AbstractTreeViewer;

import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.jface.viewers.TreeViewer;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Menu;

import org.eclipse.swt.widgets.Tree;

import org.eclipse.ui.IEditorInput;

import org.eclipse.ui.IEditorPart;

import org.eclipse.ui.IEditorSite;

import org.eclipse.ui.PartInitException;

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.occurrence.FieldUnit;

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

import eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider;

import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;

import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;

import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;

import eu.etaxonomy.taxeditor.store.CdmStore;

import eu.etaxonomy.taxeditor.ui.campanula.derivatesearch.DerivateLabelProvider;

/**

 * Displays the derivate hierarchy of all derivates belonging to a taxon.

 *

 */

public class DerivateView extends EditorPart implements IPartContentHasFactualData, IDirtyMarkableSelectionProvider, IConversationEnabled, IPartContentHasDetails, IPartContentHasSupplementalData {

	/** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.desc"{trunked}</code> */

	public static final String ID = "eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView";

	private ConversationHolder conversation;

	protected TreeViewer viewer;

    private boolean isDirty;

    /* (non-Javadoc)

     * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)

     */

    @Override

    public void createPartControl(Composite parent) {

        viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));

        viewer.setContentProvider(new DerivateContentProvider());

        viewer.setLabelProvider(new DerivateLabelProvider());

        viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);

        // Propagate selection from viewer

        getSite().setSelectionProvider(viewer);

        //create context menu

        MenuManager menuManager = new MenuManager();

        getSite().registerContextMenu(menuManager, viewer);

        Control control = viewer.getControl();

        Menu menu = menuManager.createContextMenu(control);

        control.setMenu(menu);

        IEditorInput editorInput = getEditorInput();

        viewer.setInput(editorInput);

        if(editorInput instanceof DerivateViewEditorInput){

            FieldUnit fieldUnit = ((DerivateViewEditorInput) editorInput).getFieldUnit();

            setPartName(fieldUnit.toString());

            viewer.setSelection(new StructuredSelection(fieldUnit));

        }

    }

    /* (non-Javadoc)

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

     */

    @Override

    public void doSave(IProgressMonitor monitor) {

        monitor.beginTask("Saving Derivates", 3);

        if (!conversation.isBound()) {

            conversation.bind();

        }

        monitor.worked(1);

        // commit the conversation and start a new transaction immediately

        conversation.commit(true);

        monitor.worked(1);

        this.setDirty(false);

        monitor.worked(1);

        monitor.done();

        firePropertyChange(PROP_DIRTY);

    }

    /* (non-Javadoc)

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

     */

    @Override

    public void doSaveAs() {

        // TODO Auto-generated method stub

    }

    /* (non-Javadoc)

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

     */

    @Override

    public String getTitleToolTip() {

        return "Derivate View";

    }

    /* (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 {

        conversation = CdmStore.createConversation();

        setSite(site);

        setInput(input);

    }

    /* (non-Javadoc)

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

     */

    @Override

    public boolean isDirty() {

        return isDirty;

    }

    /**

     * @param isDirty the isDirty to set

     */

    public void setDirty(boolean isDirty) {

        this.isDirty = isDirty;

    }

    /* (non-Javadoc)

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

     */

    @Override

    public boolean isSaveAsAllowed() {

        // TODO Auto-generated method stub

        return false;

    }

    /* (non-Javadoc)

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

     */

    @Override

    public void setFocus() {

        // TODO Auto-generated method stub

    }

    /* (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.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) {

        viewer.setInput(getEditorInput());

        setDirty(true);

        firePropertyChange(IEditorPart.PROP_DIRTY);

    }

}