149 lines
3.3 KiB
Java
149 lines
3.3 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.workspace.client.view.toolbars;
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import java.util.LinkedHashMap;
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import java.util.List;
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import org.gcube.portlets.user.workspace.client.AppController;
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import org.gcube.portlets.user.workspace.client.event.PathElementSelectedEvent;
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import org.gcube.portlets.user.workspace.client.model.FileModel;
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import com.github.gwtbootstrap.client.ui.NavLink;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Element;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.Widget;
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/**
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* The Class Breadcrumbs.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Dec 14, 2015
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*/
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public class Breadcrumbs extends Composite {
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public static final String DIVIDER = ">";
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private String rootName;
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private LinkedHashMap<String, FileModel> hashFileModel = new LinkedHashMap<String, FileModel>();// Ordered-HashMap
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private FileModel lastParent;
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private static BreadcrumbsUiBinder uiBinder = GWT.create(BreadcrumbsUiBinder.class);
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@UiField
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com.github.gwtbootstrap.client.ui.Breadcrumbs breadcrumbs;
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/**
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* The Interface BreadcrumbsUiBinder.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Dec 14, 2015
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*/
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interface BreadcrumbsUiBinder extends UiBinder<Widget, Breadcrumbs> {
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}
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/**
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* Instantiates a new breadcrumbs.
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*
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* @param rootName the root name
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*/
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public Breadcrumbs(String rootName) {
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this.rootName = rootName;
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initWidget(uiBinder.createAndBindUi(this));
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breadcrumbs.setDivider(DIVIDER);
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// initBreadcrumb(true);
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Element ul = this.getElement().getFirstChildElement();
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ul.removeClassName("breadcrumb");
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ul.addClassName("Breadcrumbs-Personal");
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}
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/**
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* Sets the path.
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*
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* @param parents the new path
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*/
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public void setPath(List<FileModel> parents) {
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resetBreadcrumbs();
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if (parents != null && parents.size() > 0) {
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hashFileModel = new LinkedHashMap<String, FileModel>();
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for (FileModel parent : parents) {
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if(parent!=null){
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addNavigationLink(parent);
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hashFileModel.put(parent.getIdentifier(), parent);
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}
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}
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lastParent = parents.get(parents.size() - 1);
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}
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}
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/**
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* Reset breadcrumbs.
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*/
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private void resetBreadcrumbs() {
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breadcrumbs.clear();
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}
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// @UiHandler("add")
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/**
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* Adds the navigation link.
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*
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* @param parent the parent
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*/
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public void addNavigationLink(FileModel parent) {
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String linkName = parent.getName();
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if(parent.isRoot())
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linkName = "Workspace";
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final NavLink navLink = new NavLink(linkName);
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navLink.setName(parent.getIdentifier());
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breadcrumbs.add(navLink);
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navLink.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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FileModel target = hashFileModel.get(navLink.getName());
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AppController.getEventBus().fireEvent(new PathElementSelectedEvent(target));
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}
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});
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}
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/**
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* Breadcrumb is empty.
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*
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* @return true, if successful
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*/
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public boolean breadcrumbIsEmpty() {
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if (hashFileModel.size() == 0)
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return true;
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return false;
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}
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/**
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* Gets the last parent.
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*
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* @return the last parent
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*/
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public FileModel getLastParent() {
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return lastParent;
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}
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} |