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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.vaadin.component;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import com.vaadin.ui.Component;
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import com.vaadin.ui.CssLayout;
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/**
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* @author a.kohlbecker
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* @since May 22, 2017
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*
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* IMPORTANT see also {@link CompositeCustomField} which has almost the same functionality.
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*
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*/
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@SuppressWarnings("serial")
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public abstract class CompositeStyledComponent extends CssLayout {
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//-------
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private List<Component> styledComponents = new ArrayList<>();
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protected List<Component> getStyledComponents() {
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if(styledComponents == null){
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styledComponents = new ArrayList<>();
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}
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return styledComponents;
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}
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@Override
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public void setStyleName(String style) {
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super.setStyleName(style);
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getStyledComponents().forEach(c -> c.setStyleName(style));
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addDefaultStyles();
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}
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@Override
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public void addStyleName(String style) {
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super.addStyleName(style);
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getStyledComponents().forEach(c -> c.addStyleName(style));
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}
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protected void applyCurrentStyleNames(Component newSubComponent){
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newSubComponent.setStyleName(getStyleName());
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}
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/**
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* Implementations preferably call this method in the constructor
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*
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* @param component
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* @return
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*/
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protected boolean addStyledComponent(Component component){
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applyCurrentStyleNames(component);
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return styledComponents.add(component);
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}
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/**
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* Implementations preferably call this method in the constructor
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*
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* @param component
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* @return
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*/
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protected boolean addStyledComponents(Component ... component){
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List<Component> componentList = Arrays.asList(component);
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componentList.forEach(c -> applyCurrentStyleNames(c));
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return styledComponents.addAll(componentList);
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}
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/**
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* Implementations can may apply default styles to components added to <code>StyledComponents</code>
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* to prevent these styles from being overwritten when setStyleName() id called on the composite field.
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*/
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protected abstract void addDefaultStyles();
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//--------
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}
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