377 lines
11 KiB
Java
377 lines
11 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.widgets.wsexplorer.client;
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import java.util.List;
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import org.gcube.portlets.widgets.wsexplorer.client.event.BreadcrumbClickEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.event.BreadcrumbClickEventHandler;
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import org.gcube.portlets.widgets.wsexplorer.client.event.ClickItemEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.event.ClickItemEventHandler;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadFolderEventHandler;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadMySpecialFolderEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadMySpecialFolderEventHandler;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEventHandler;
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import org.gcube.portlets.widgets.wsexplorer.client.event.RootLoadedEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.event.RootLoadedEventHandler;
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import org.gcube.portlets.widgets.wsexplorer.client.resources.WorkspaceExplorerResources;
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import org.gcube.portlets.widgets.wsexplorer.client.rpc.WorkspaceExplorerService;
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import org.gcube.portlets.widgets.wsexplorer.client.rpc.WorkspaceExplorerServiceAsync;
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import org.gcube.portlets.widgets.wsexplorer.client.view.Breadcrumbs;
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import org.gcube.portlets.widgets.wsexplorer.client.view.Navigation;
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import org.gcube.portlets.widgets.wsexplorer.client.view.WorkspaceExplorer;
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import org.gcube.portlets.widgets.wsexplorer.shared.FilterCriteria;
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import org.gcube.portlets.widgets.wsexplorer.shared.Item;
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import org.gcube.portlets.widgets.wsexplorer.shared.ItemCategory;
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import org.gcube.portlets.widgets.wsexplorer.shared.ItemType;
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import com.github.gwtbootstrap.client.ui.Alert;
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import com.github.gwtbootstrap.client.ui.constants.AlertType;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.dom.client.Style.Unit;
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import com.google.gwt.dom.client.Style.VerticalAlign;
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import com.google.gwt.event.shared.EventHandler;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.google.gwt.user.client.ui.Image;
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import com.google.gwt.user.client.ui.Label;
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/**
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* The Class WorkspaceExplorerController.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Jun 25, 2015
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*/
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public class WorkspaceExplorerController implements EventHandler {
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public final static HandlerManager eventBus = new HandlerManager(null);
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private WorkspaceExplorerPanel workspaceExplorerPanel;
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private WorkspaceExplorer wsExplorer;
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private Breadcrumbs breadcrumbs = new Breadcrumbs();
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private Navigation navigation = new Navigation();
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public static final WorkspaceExplorerServiceAsync workspaceNavigatorService = GWT.create(WorkspaceExplorerService.class);
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/**
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* Instantiates a new workspace explorer controller.
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*
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* As default all items are showable and selectable
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* @param heightPanel the height panel
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*/
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public WorkspaceExplorerController(String heightPanel){
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bindEvents();
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//As default all items are showable and selectable
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wsExplorer = new WorkspaceExplorer(ItemType.values(), ItemType.values());
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workspaceExplorerPanel = new WorkspaceExplorerPanel(5, wsExplorer.getPanel(), breadcrumbs, navigation, heightPanel);
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}
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/**
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* Instantiates a new workspace explorer controller.
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*
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* As default all items are showable and selectable
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*
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* @param filterCriteria the filter criteria
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* @param heightPanel the height panel
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*/
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public WorkspaceExplorerController(FilterCriteria filterCriteria, String heightPanel) {
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bindEvents();
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//As default all items are showable and selectable
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wsExplorer = new WorkspaceExplorer(filterCriteria, ItemType.values(), ItemType.values());
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workspaceExplorerPanel = new WorkspaceExplorerPanel(5, wsExplorer.getPanel(), breadcrumbs, navigation, heightPanel);
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}
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/**
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* Bind events.
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*/
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private void bindEvents() {
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eventBus.addHandler(LoadFolderEvent.TYPE, new LoadFolderEventHandler() {
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@Override
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public void onLoadFolder(LoadFolderEvent loadFolderEvent) {
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if(loadFolderEvent.getTargetItem()!=null && loadFolderEvent.getTargetItem().isFolder()){
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try {
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wsExplorer.loadFolder(loadFolderEvent.getTargetItem());
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loadParentBreadcrumbByItemId(loadFolderEvent.getTargetItem().getId(), true);
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clearMoreInfo();
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} catch (Exception e) {
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GWT.log(e.getMessage());
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}
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}
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}
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});
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eventBus.addHandler(RootLoadedEvent.TYPE, new RootLoadedEventHandler() {
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@Override
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public void onRootLoaded(RootLoadedEvent rootLoadedEvent) {
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}
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});
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eventBus.addHandler(BreadcrumbClickEvent.TYPE, new BreadcrumbClickEventHandler() {
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@Override
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public void onBreadcrumbClick(BreadcrumbClickEvent breadcrumbClickEvent) {
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WorkspaceExplorerController.eventBus.fireEvent(new LoadFolderEvent(breadcrumbClickEvent.getTargetItem()));
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}
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});
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eventBus.addHandler(LoadRootEvent.TYPE, new LoadRootEventHandler() {
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@Override
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public void onLoadRoot(LoadRootEvent loadRootEvent) {
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wsExplorer.loadRoot();
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workspaceNavigatorService.getItemByCategory(ItemCategory.HOME, new AsyncCallback<Item>() {
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@Override
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public void onFailure(Throwable caught) {
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GWT.log(caught.getMessage());
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breadcrumbs.clear();
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}
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@Override
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public void onSuccess(Item result) {
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result.setName(WorkspaceExplorerConstants.HOME_LABEL); //FORCE SET NAME LIKE "HOME_LABEL"
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breadcrumbs.init(result);
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clearMoreInfo();
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}
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});
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}
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});
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eventBus.addHandler(ClickItemEvent.TYPE, new ClickItemEventHandler() {
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@Override
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public void onClick(final ClickItemEvent clickItemEvent) {
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Item item = clickItemEvent.getItem();
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if(item!=null){
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updateMoreInfo(item);
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}
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}
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});
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eventBus.addHandler(LoadMySpecialFolderEvent.TYPE, new LoadMySpecialFolderEventHandler() {
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@Override
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public void onLoadMySpecialFolder(LoadMySpecialFolderEvent loadMySpecialFolderEvent) {
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wsExplorer.loadMySpecialFolder();
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workspaceNavigatorService.getItemByCategory(ItemCategory.VRE_FOLDER, new AsyncCallback<Item>() {
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@Override
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public void onFailure(Throwable caught) {
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GWT.log(caught.getMessage());
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}
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@Override
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public void onSuccess(Item result) {
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breadcrumbs.init(result);
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clearMoreInfo();
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}
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});
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}
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});
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}
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/**
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* Load parent breadcrumb by item id.
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*
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* @param itemIdentifier the item identifier
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* @param includeItemAsParent the include item as parent
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*/
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protected void loadParentBreadcrumbByItemId(final String itemIdentifier, boolean includeItemAsParent){
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GWT.log("Reload Parent Breadcrumb: [Item id: "+itemIdentifier+"]");
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workspaceNavigatorService.getBreadcrumbsByItemIdentifier(itemIdentifier, includeItemAsParent, new AsyncCallback<List<Item>>() {
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@Override
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public void onFailure(Throwable caught) {
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GWT.log(caught.getMessage());
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wsExplorer.setAlert(caught.getMessage(), AlertType.ERROR);
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}
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@Override
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public void onSuccess(List<Item> result) {
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if(result!=null){
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breadcrumbs.setPath(result);
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clearMoreInfo();
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}
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}
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});
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}
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/**
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* Clear more info.
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*/
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private void clearMoreInfo(){
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workspaceExplorerPanel.getSouthPanel().clear();
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}
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/**
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* Update more info.
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*
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* @param item the item
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*/
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private void updateMoreInfo(Item item){
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if(item!=null){
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workspaceExplorerPanel.getSouthPanel().clear();
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Alert alert = new Alert();
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alert.addStyleName("alert-custom");
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final HorizontalPanel hp = new HorizontalPanel();
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Image iconInfo = WorkspaceExplorerResources.getIconInfo().createImage();
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iconInfo.getElement().getStyle().setVerticalAlign(VerticalAlign.MIDDLE);
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hp.add(iconInfo);
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final Label labelName = new Label("Name: "+item.getName());
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double marginValue = 10.0;
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labelName.getElement().getStyle().setMarginLeft(marginValue, Unit.PX);
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labelName.getElement().getStyle().setMarginRight(marginValue, Unit.PX);
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final Label labelSize = new Label("Size: ");
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labelSize.getElement().getStyle().setMarginRight(marginValue, Unit.PX);
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final Label labelMime = new Label("Mime Type: ");
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labelMime.getElement().getStyle().setMarginRight(marginValue, Unit.PX);
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final Label labelACL = new Label("Rights: ");
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labelACL.getElement().getStyle().setMarginRight(marginValue, Unit.PX);
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hp.add(labelName);
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hp.add(labelSize);
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if(!item.isFolder())
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hp.add(labelMime);
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hp.add(labelACL);
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workspaceNavigatorService.getReadableSizeByItemId(item.getId(), new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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}
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@Override
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public void onSuccess(String result) {
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labelSize.setText("Size: " +result);
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}
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});
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if(!item.isFolder()){
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workspaceNavigatorService.getMimeType(item.getId(), new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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}
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@Override
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public void onSuccess(String result) {
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if(result!=null)
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labelMime.setText("Mime Type: "+result);
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}
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});
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}
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workspaceNavigatorService.getUserACLForFolderId(item.getId(), new AsyncCallback<String>() {
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@Override
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public void onFailure(Throwable caught) {
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}
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@Override
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public void onSuccess(String result) {
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labelACL.setText("Rights: "+result);
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}
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});
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alert.add(hp);
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alert.setType(AlertType.DEFAULT);
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alert.setClose(false);
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workspaceExplorerPanel.getSouthPanel().add(alert); }
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}
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/**
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* Gets the breadcrumbs.
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*
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* @return the breadcrumbs
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*/
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public Breadcrumbs getBreadcrumbs() {
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return breadcrumbs;
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}
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/**
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* Gets the workspace explorer panel.
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*
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* @return the workspaceExplorerPanel
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*/
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public WorkspaceExplorerPanel getWorkspaceExplorerPanel() {
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return workspaceExplorerPanel;
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}
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/**
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* Gets the ws explorer.
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*
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* @return the wsExplorer
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*/
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public WorkspaceExplorer getWsExplorer() {
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return wsExplorer;
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}
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/**
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* Sets the selectable types.
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*
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* @param selectableTypes the new selectable types
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*/
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public void setSelectableTypes(ItemType[] selectableTypes) {
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wsExplorer.setSelectableTypes(selectableTypes);
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}
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/**
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* Gets the selectable types.
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*
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* @return the selectableTypes
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*/
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public List<ItemType> getSelectableTypes() {
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return wsExplorer.getSelectableTypes();
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}
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/**
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* Gets the showable types.
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*
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* @return the showable types
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*/
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public List<ItemType> getShowableTypes() {
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return wsExplorer.getShowableTypes();
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}
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/**
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* Sets the showable types.
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*
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* @param showableTypes the new showable types
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*/
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public void setShowableTypes(ItemType[] showableTypes) {
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wsExplorer.setShowableTypes(showableTypes);
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}
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/**
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* Item is selectable.
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*
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* @param item the item
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* @return true, if successful
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*/
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public boolean itemIsSelectable(Item item){
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GWT.log("Selectable type: "+wsExplorer.getSelectableTypes());
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GWT.log("item: "+item);
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if (item!=null){
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boolean selectable = wsExplorer.getSelectableTypes().contains(item.getType());
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return (selectable)?true:false;
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}
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return false;
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}
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}
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