Added WorkspaceExplorerSelectPanel
git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/widgets/workspace-explorer@117522 82a268e6-3cf1-43bd-a215-b396298e98cf
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/**
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*
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*/
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package org.gcube.portlets.widgets.wsexplorer.client.select;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerConstants;
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import org.gcube.portlets.widgets.wsexplorer.client.WorkspaceExplorerController;
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import org.gcube.portlets.widgets.wsexplorer.client.event.LoadRootEvent;
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import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.HasWorskpaceExplorerSelectNotificationListener;
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import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
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import org.gcube.portlets.widgets.wsexplorer.shared.Item;
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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.Button;
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import com.github.gwtbootstrap.client.ui.ModalFooter;
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import com.github.gwtbootstrap.client.ui.constants.AlertType;
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import com.github.gwtbootstrap.client.ui.constants.ButtonType;
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import com.google.gwt.dom.client.Style.Unit;
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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.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.google.gwt.user.client.ui.ScrollPanel;
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import com.google.gwt.user.client.ui.VerticalPanel;
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/**
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* The Class WorkspaceExplorerSelectPanel.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Jul 28, 2015
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*/
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public class WorkspaceExplorerSelectPanel extends ScrollPanel implements HasWorskpaceExplorerSelectNotificationListener{
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private Button selectButton;
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private WorkspaceExplorerSelectPanel INSTANCE = this;
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private boolean isSelect = false;
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private String captionTxt;
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private ModalFooter footer = new ModalFooter();
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private Alert alertConfirm;
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private WorkspaceExplorerController controller = new WorkspaceExplorerController();
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private List<WorskpaceExplorerSelectNotificationListener> listeners = new ArrayList<WorskpaceExplorerSelectNotificationListener>();
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private VerticalPanel mainVP = new VerticalPanel();
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private HorizontalPanel footerHP = new HorizontalPanel();
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/**
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* Instantiates a new workspace explorer select panel.
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*
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* @param captionTxt the caption txt
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*/
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public WorkspaceExplorerSelectPanel(String captionTxt) {
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WorkspaceExplorerController.eventBus.fireEvent(new LoadRootEvent());
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initDialog(captionTxt);
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}
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/**
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* Instantiates a new workspace explorer select panel.
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*
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* @param captionTxt the caption txt
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* @param showOnlyFolders the show only folders
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*/
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public WorkspaceExplorerSelectPanel(String captionTxt, boolean showOnlyFolders) {
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if(showOnlyFolders){
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ItemType[] itemsType = new ItemType[1];
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itemsType[0] = ItemType.FOLDER;
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setSelectableTypes(itemsType);
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setShowableTypes(itemsType);
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}
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WorkspaceExplorerController.eventBus.fireEvent(new LoadRootEvent());
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initDialog(captionTxt);
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}
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/**
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* Instantiates a new workspace explorer select panel.
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*
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* @param captionTxt the caption txt
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* @param selectableTypes the selectable types
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* @param showableTypes the showable types
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*/
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public WorkspaceExplorerSelectPanel(String captionTxt, List<ItemType> selectableTypes, List<ItemType> showableTypes) {
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if(selectableTypes!=null){
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ItemType[] itemsType = new ItemType[selectableTypes.size()];
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itemsType = selectableTypes.toArray(itemsType);
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setSelectableTypes(selectableTypes.toArray(itemsType));
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}
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if(showableTypes!=null){
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ItemType[] itemsType = new ItemType[showableTypes.size()];
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itemsType = showableTypes.toArray(itemsType);
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setShowableTypes(showableTypes.toArray(itemsType));
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}
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WorkspaceExplorerController.eventBus.fireEvent(new LoadRootEvent());
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initDialog(captionTxt);
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}
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/**
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* Inits the dialog.
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*
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* @param captionTxt the caption txt
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*/
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private void initDialog(String captionTxt) {
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this.captionTxt = (captionTxt==null || captionTxt.isEmpty())?WorkspaceExplorerConstants.WORKSPACE_EXPLORER_CAPTION:captionTxt;
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setTitle(this.captionTxt);
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selectButton = new Button(WorkspaceExplorerConstants.SELECT);
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selectButton.setType(ButtonType.PRIMARY);
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setWidth(WorkspaceExplorerConstants.WIDHT_DIALOG+"px");
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add(controller.getWorkspaceExplorerPanel());
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selectButton.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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isSelect = false;
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Item item = controller.getWsExplorer().getItemSelected();
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if(item!=null){
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isSelect = true;
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notifySelectedItem(item);
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}else if(!controller.getWsExplorer().itemIsSelectable()){ //IGNORING ITEMS NOT SELECTABLE, USING BREADCRUMBS
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Item itemB = controller.getBreadcrumbs().getLastParent();
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if(itemB!=null){
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setAlertConfirm("Selecting \""+itemB.getName()+"\", confirm?", true, itemB);
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}
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}
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}
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});
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setAlertConfirm("", false, null);
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footer.add(selectButton);
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mainVP.add(controller.getWorkspaceExplorerPanel());
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mainVP.add(footer);
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add(mainVP);
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}
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/**
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* Sets the alert confirm.
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*
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* @param html the html
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* @param show the show
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* @param item the item
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*/
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private void setAlertConfirm(String html, boolean show, final Item item){
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try{
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footer.remove(alertConfirm);
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}catch(Exception e){
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//silent
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}
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alertConfirm = new Alert();
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alertConfirm.setText(html);
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alertConfirm.setVisible(show);
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alertConfirm.setClose(true);
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alertConfirm.setType(AlertType.INFO);
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Button yes = new Button("Yes");
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yes.setType(ButtonType.LINK);
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yes.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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if(item!=null){
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isSelect = true;
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notifySelectedItem(item);
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}
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}
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});
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Button no = new Button("No");
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no.setType(ButtonType.LINK);
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no.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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alertConfirm.close();
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}
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});
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alertConfirm.add(yes);
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alertConfirm.add(no);
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footer.insert(alertConfirm,0);
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}
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/**
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* Notify selected item.
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*
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* @param selected the selected
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*/
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private void notifySelectedItem(Item selected){
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for (WorskpaceExplorerSelectNotificationListener worskpaceExplorerNotificationListener : listeners) {
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worskpaceExplorerNotificationListener.onSelectedItem(selected);
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}
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}
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/**
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* Notify aborted.
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*/
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private void notifyAborted(){
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for (WorskpaceExplorerSelectNotificationListener worskpaceExplorerNotificationListener : listeners) {
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worskpaceExplorerNotificationListener.onAborted();
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}
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}
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/**
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* Notify failed.
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*
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* @param t the t
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*/
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@SuppressWarnings("unused")
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private void notifyFailed(Throwable t){
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for (WorskpaceExplorerSelectNotificationListener worskpaceExplorerNotificationListener : listeners) {
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worskpaceExplorerNotificationListener.onFailed(t);
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}
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}
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/**
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* Gets the caption txt.
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*
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* @return the captionTxt
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*/
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public String getCaptionTxt() {
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return captionTxt;
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}
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/**
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* Checks if is valid hide.
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*
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* @return the isValidHide
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*/
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public boolean isValidHide() {
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return isSelect;
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}
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/* (non-Javadoc)
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* @see org.gcube.portlets.widgets.wsexplorer.client.notification.WorskpaceExplorerNotification.HasWorskpaceExplorerNotificationListener#addWorkspaceExplorerNotificationListener(org.gcube.portlets.widgets.wsexplorer.client.notification.WorskpaceExplorerNotification.WorskpaceExplorerNotificationListener)
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*/
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@Override
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public void addWorkspaceExplorerSelectNotificationListener(WorskpaceExplorerSelectNotificationListener handler) {
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if(handler!=null)
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listeners.add(handler);
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}
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/* (non-Javadoc)
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* @see org.gcube.portlets.widgets.wsexplorer.client.notification.WorskpaceExplorerNotification.HasWorskpaceExplorerNotificationListener#removeWorkspaceExplorerNotificationListener(org.gcube.portlets.widgets.wsexplorer.client.notification.WorskpaceExplorerNotification.WorskpaceExplorerNotificationListener)
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*/
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@Override
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public void removeWorkspaceExplorerSelectNotificationListener(WorskpaceExplorerSelectNotificationListener handler) {
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if(handler!=null){
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if(listeners.contains(handler))
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listeners.remove(handler);
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}
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}
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/**
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* Set which items are selectable.
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* @param selectableTypes the selectableTypes to set
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*/
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private void setSelectableTypes(ItemType ... selectableTypes) {
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controller.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 selectable types
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*/
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public List<ItemType> getSelectableTypes() {
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return controller.getSelectableTypes();
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}
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/**
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* Return the showable items.
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* @return the showableTypes
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*/
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public List<ItemType> getShowableTypes() {
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return controller.getShowableTypes();
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}
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/**
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* Set the showable items. The folders items are show as default.
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* @param showableTypes the showableTypes to set
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*/
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private void setShowableTypes(ItemType ... showableTypes) {
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controller.setShowableTypes(showableTypes);
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}
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}
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