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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.event;
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import java.util.Stack;
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import java.util.UUID;
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import com.vaadin.ui.Button;
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import com.vaadin.ui.Field;
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import eu.etaxonomy.vaadin.event.EditorActionType;
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import eu.etaxonomy.vaadin.mvp.AbstractView;
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/**
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* Base implementation for an event which represents the request to start
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* an editor to enable the user to perform the <code>action</code> transported
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* with this event.
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* <p>
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* Which the {@link #context) stack the action can keep track of the chain of editors which where opened before and which lead
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* to this action. This is important information when working with popup editors for which EntitySave events etc
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* need to be also handled by the base view (e.g. see {@link eu.etaxonomy.cdm.vaadin.view.registration.RegistrationWorkingsetPresenter}
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* from which the the first popup editor of the chain has been opened. So the {@link #context) stack is just like a breadcrumbs information.
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*
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* @author a.kohlbecker
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* @since Mar 22, 2017
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*/
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public abstract class AbstractEditorAction<V> extends AbstractEntityEvent<EditorActionType> {
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private Button source = null;
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private Field<V> target = null;
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// DO NOT initialize here, the context should always be set by the view in which the Action object is created
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protected Stack<EditorActionContext> context;
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public AbstractEditorAction(EditorActionType action) {
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this(action, null, null, null);
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}
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public AbstractEditorAction(EditorActionType action, Button source, Field<V> target, AbstractView sourceView) {
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this(action, null, source, target, sourceView);
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}
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/**
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*
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* @deprecated Consider using the constructor with Stack<EditorActionContext> context, so that the context is set for all popup editors!!!
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*/
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@Deprecated
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public AbstractEditorAction(EditorActionType action, UUID entityUuid, Button source, Field<V> target, AbstractView sourceView) {
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this(action, entityUuid, source, target, sourceView, null);
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}
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/**
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* @param action
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* the action being requested
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* @param entityId
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* the id of the entity to which the action
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* @param source
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* The vaadin ui component from which the action was triggered
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* @param sourceView
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* The view from which the action is send
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* @param context
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* Editor actions can hold a stack of entities to represent the chain of
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* Editor actions from previous views and editors that lead to the point
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* from where this action is spawned.
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*/
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public AbstractEditorAction(EditorActionType action, UUID entityUuid, Button source, Field<V> target, AbstractView sourceView,
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Stack<EditorActionContext> context) {
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super(action, entityUuid, sourceView);
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this.source = source;
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this.target = target;
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this.context = context;
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}
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public boolean isAddAction() {
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return type.equals(EditorActionType.ADD);
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}
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public boolean isEditAction() {
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return type.equals(EditorActionType.EDIT);
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}
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public boolean isRemoveAction() {
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return type.equals(EditorActionType.REMOVE);
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}
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public Button getSource() {
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return source;
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}
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public Field<V> getTarget() {
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return target;
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}
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public boolean hasSource() {
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return source != null;
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}
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/**
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* Which the {@link #context) stack the action can keep track of the chain of editors
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* which where opened before and which lead
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* to this action.
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*
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* @return the context
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*/
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public Stack<EditorActionContext> getContext() {
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return context;
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}
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}
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