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260 lines
6.8 KiB
Java
260 lines
6.8 KiB
Java
package org.gcube.portlets.user.workspace.client.view.trash;
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import java.util.ArrayList;
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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.ConstantsExplorer;
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import org.gcube.portlets.user.workspace.client.event.UpdateWorkspaceSizeEvent;
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import org.gcube.portlets.user.workspace.client.model.FileTrashedModel;
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import org.gcube.portlets.user.workspace.client.resources.Resources;
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import org.gcube.portlets.user.workspace.shared.WorkspaceTrashOperation;
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import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
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import com.extjs.gxt.ui.client.Style.Scroll;
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import com.extjs.gxt.ui.client.data.ModelData;
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import com.extjs.gxt.ui.client.event.Listener;
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import com.extjs.gxt.ui.client.store.Store;
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import com.extjs.gxt.ui.client.store.StoreEvent;
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import com.extjs.gxt.ui.client.widget.ContentPanel;
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import com.extjs.gxt.ui.client.widget.Dialog;
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import com.extjs.gxt.ui.client.widget.HorizontalPanel;
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import com.extjs.gxt.ui.client.widget.Html;
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import com.extjs.gxt.ui.client.widget.Label;
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import com.extjs.gxt.ui.client.widget.Window;
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import com.extjs.gxt.ui.client.widget.layout.FitLayout;
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import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
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/**
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa{@literal @}isti.cnr.it
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* May 23, 2013
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*
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* Singleton
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*/
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public class WindowTrash extends Window {
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private List<FileTrashedModel> trashedFiles;
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private TrashInfoContainer trashContainers;
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private HorizontalPanel hpItemsNumber;
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private static WindowTrash INSTANCE = null;
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private Label labelItemsNumber = new Label();
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private WindowTrash() {
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initAccounting();
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setIcon(Resources.getTrashFull()); //TODO
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setHeading("Trash");
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}
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public static synchronized WindowTrash getInstance(){
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if(INSTANCE==null)
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INSTANCE = new WindowTrash();
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return INSTANCE;
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}
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/**
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* This method is called only once
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*/
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private void initAccounting() {
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setLayout(new FitLayout());
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setSize(770, 400);
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setResizable(true);
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setMaximizable(true);
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this.trashContainers = new TrashInfoContainer();
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add(trashContainers);
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ToolBar toolBar = new ToolBar();
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hpItemsNumber = new HorizontalPanel();
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hpItemsNumber.setStyleAttribute("margin-left", "10px");
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hpItemsNumber.setHorizontalAlign(HorizontalAlignment.CENTER);
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hpItemsNumber.add(labelItemsNumber);
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toolBar.add(hpItemsNumber);
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setBottomComponent(toolBar);
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addStoreListeners();
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}
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/**
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*
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*/
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private void addStoreListeners() {
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trashContainers.getStore().addListener(Store.Add, new Listener<StoreEvent<ModelData>>(){
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@Override
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public void handleEvent(StoreEvent<ModelData> be) {
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updateItemsNumber(storeSize());
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// AppController.getEventBus().fireEvent(new UpdateWorkspaceSizeEvent());
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}
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});
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trashContainers.getStore().addListener(Store.Remove, new Listener<StoreEvent<ModelData>>(){
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@Override
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public void handleEvent(StoreEvent<ModelData> be) {
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updateItemsNumber(storeSize());
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AppController.getEventBus().fireEvent(new UpdateWorkspaceSizeEvent());
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}
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});
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trashContainers.getStore().addListener(Store.Clear, new Listener<StoreEvent<ModelData>>(){
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@Override
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public void handleEvent(StoreEvent<ModelData> be) {
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updateItemsNumber(storeSize());
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AppController.getEventBus().fireEvent(new UpdateWorkspaceSizeEvent());
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}
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});
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}
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/**
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* @param size
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*/
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public void updateItemsNumber(int size) {
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if(size<=0)
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labelItemsNumber.setText("No Items");
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else if(size==1)
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labelItemsNumber.setText("1 Item");
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else if(size>1)
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labelItemsNumber.setText(size +" Items");
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hpItemsNumber.layout();
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}
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public void setWindowTitle(String title) {
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this.setHeading(title);
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}
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/**
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*
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* @return -1 if store is null. The size otherwise
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*/
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private int storeSize(){
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if(trashContainers.getStore()!=null && trashContainers.getStore().getModels()!=null){
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return trashContainers.getStore().getModels().size();
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}
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return -1;
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}
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public boolean deleteFileFromTrash(String fileModelId){
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boolean deleted = this.trashContainers.deleteItem(fileModelId);
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updateTrashIcon(this.trashContainers.trashSize()>0);
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return deleted;
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}
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public void updateTrashContainer(List<FileTrashedModel> trashFiles) {
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this.trashContainers.resetStore();
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this.trashedFiles = trashFiles;
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this.trashContainers.updateTrash(trashFiles);
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updateTrashIcon(this.trashContainers.trashSize()>0);
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}
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public void executeOperationOnTrashContainer(List<String> trashIds, WorkspaceTrashOperation operation) {
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if(operation.equals(WorkspaceTrashOperation.DELETE_PERMANENTLY)){
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this.mask("Deleting");
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deleteListItems(trashIds);
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}else if(operation.equals(WorkspaceTrashOperation.RESTORE)){
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this.mask("Restoring");
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deleteListItems(trashIds);
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}
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this.unmask();
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updateTrashIcon(this.trashContainers.trashSize()>0);
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}
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public List<FileTrashedModel> getTrashedFiles() {
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return trashedFiles;
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}
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private void deleteListItems(List<String> trashIds){
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for (String identifier : trashIds) {
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this.trashContainers.deleteItem(identifier);
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}
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}
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public void maskContainer(String title){
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this.trashContainers.mask(title, ConstantsExplorer.LOADINGSTYLE);
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}
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public void unmaskContainer(){
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this.trashContainers.unmask();
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}
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public void updateTrashIcon(boolean trashIsFull){
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if(trashIsFull)
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setIcon(Resources.getTrashFull());
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else
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setIcon(Resources.getTrashEmpty());
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}
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public void showTrashErrors(WorkspaceTrashOperation operation, List<FileTrashedModel> errors){
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if(errors!=null && errors.size()>0){
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List<String> fileNames = new ArrayList<String>(errors.size());
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//BUILDING NAMES
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for (FileTrashedModel fileTrashedModel : errors) {
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FileTrashedModel trashFile = trashContainers.getFileModelByIdentifier(fileTrashedModel.getIdentifier());
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fileNames.add(trashFile.getName());
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}
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String htmlError = "<div style=\"padding:10px 10px 10px 10px\"><b style=\"font-size:12px\">Sorry an error occured on removing the ";
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htmlError+=fileNames.size()>1?"items":"item";
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htmlError+=": </b><br/>";
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for (String fileName : fileNames) {
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htmlError+="<br/> - "+fileName;
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}
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htmlError+="<br/><br/><b>"+"Try again later</b></div>";
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Dialog dialog = new Dialog();
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dialog.setStyleAttribute("background-color", "#FAFAFA");
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dialog.setSize(380, 180);
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dialog.setLayout(new FitLayout());
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dialog.setIcon(Resources.getIconInfo());
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dialog.setModal(true);
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dialog.setHeading("Trash Errors");
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dialog.setButtons(Dialog.OK);
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dialog.setHideOnButtonClick(true);
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dialog.setButtonAlign(HorizontalAlignment.CENTER);
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// dialog.setSize(200, 150);
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ContentPanel cp = new ContentPanel();
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cp.setHeaderVisible(false);
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cp.setFrame(false);
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cp.setScrollMode(Scroll.AUTOY);
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cp.add(new Html(htmlError));
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dialog.add(cp);
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dialog.show();
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}
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}
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}
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