404 lines
13 KiB
Java
404 lines
13 KiB
Java
package org.gcube.portlets.widgets.workspaceuploader.client.uploader;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.portal.clientcontext.client.GCubeClientContext;
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import org.gcube.portlets.widgets.workspaceuploader.client.ClosableDialog;
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import org.gcube.portlets.widgets.workspaceuploader.client.ConstantsWorkspaceUploader;
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import org.gcube.portlets.widgets.workspaceuploader.client.DialogResult;
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import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.HasWorskpaceUploadNotificationListener;
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import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener;
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import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploaderListenerController;
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import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploaderServiceAsync;
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import org.gcube.portlets.widgets.workspaceuploader.shared.HandlerResultMessage;
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import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploaderItem;
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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.event.dom.client.ChangeEvent;
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import com.google.gwt.event.dom.client.ChangeHandler;
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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.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.Anchor;
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import com.google.gwt.user.client.ui.Button;
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import com.google.gwt.user.client.ui.FileUpload;
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import com.google.gwt.user.client.ui.FormPanel;
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import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
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import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;
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import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;
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import com.google.gwt.user.client.ui.FormPanel.SubmitHandler;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.HasHorizontalAlignment;
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import com.google.gwt.user.client.ui.HasVerticalAlignment;
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import com.google.gwt.user.client.ui.Hidden;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.google.gwt.user.client.ui.VerticalPanel;
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/**
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* The Class DialogUploadStream.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Sep 24, 2015
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*/
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public class DialogUpload extends ClosableDialog implements HasWorskpaceUploadNotificationListener{
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private Hidden hiddenOverwrite = new Hidden(ConstantsWorkspaceUploader.IS_OVERWRITE,"false");
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protected final FormPanel formPanel = new FormPanel();
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protected FileUpload fileUpload;
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protected Hidden jsonClientKeys;
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protected List<WorkspaceUploaderItem> fakeUploaders = new ArrayList<WorkspaceUploaderItem>();
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protected WorkspaceUploaderListenerController controller = new WorkspaceUploaderListenerController();
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/**
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* The Enum UPLOAD_TYPE.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* Sep 11, 2015
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*/
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public static enum UPLOAD_TYPE {File, Archive};
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private HTML LOADING = new HTML("Upload starting...");
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protected String parentIdentifier = "";
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protected VerticalPanel panel;
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private HorizontalPanel hpBottom;
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// private MonitorPanel monitorPanel;
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protected String clientUploadKey;
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private Anchor anchorMyUploads;
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protected UPLOAD_TYPE uploadType;
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/**
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* Instantiates a new dialog upload stream.
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*
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* @param headerTitle the header title
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* @param parentId the parent id
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* @param uploadType the upload type
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*/
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public DialogUpload(String headerTitle, final String parentId, UPLOAD_TYPE uploadType){
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super(false, true, headerTitle);
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setWidth("400px");
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fileUpload = new FileUpload();
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//ONLY IN CASE OF FILE MULTIPLE UPLOAD IS AVAILABLE
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if(uploadType.equals(UPLOAD_TYPE.File))
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fileUpload.getElement().setAttribute("multiple", "multiple");
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this.parentIdentifier = parentId;
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this.uploadType = uploadType;
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this.addStyleName("fileInputUploader");
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formPanel.setAction(ConstantsWorkspaceUploader.WORKSPACE_UPLOADER_SERVLET_STREAM__MODIFIED);
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formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
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formPanel.setMethod(FormPanel.METHOD_POST);
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formPanel.setWidth("auto");
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// Create a panel to hold all of the form widgets.
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panel = new VerticalPanel();
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formPanel.setWidget(panel);
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setModal(false);
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fileUpload.setName(ConstantsWorkspaceUploader.UPLOAD_FORM_ELEMENT);
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// Add hidden parameters
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panel.add(new Hidden(ConstantsWorkspaceUploader.CURR_GROUP_ID, GCubeClientContext.getCurrentContextId()));
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//panel.add(new Hidden(ConstantsWorkspaceUploader.CURR_USER_ID, GCubeClientContext.getCurrentUserId()));
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panel.add(new Hidden(ConstantsWorkspaceUploader.ID_FOLDER,parentId));
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panel.add(new Hidden(ConstantsWorkspaceUploader.UPLOAD_TYPE,uploadType.toString()));
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panel.add(hiddenOverwrite);
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initJsonClientKeys();
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panel.add(jsonClientKeys);
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panel.add(fileUpload);
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HorizontalPanel hp = new HorizontalPanel();
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// hp.getElement().setId("hpID");
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hp.getElement().getStyle().setWidth(100, Unit.PCT);
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hp.getElement().getStyle().setMarginTop(5, Unit.PX);
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hp.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
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hp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
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anchorMyUploads = new Anchor(ConstantsWorkspaceUploader.MY_UPLOADS);
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anchorMyUploads.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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UploaderMonitor.getInstance().showMonitor();
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}
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});
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hp.add(anchorMyUploads);
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panel.add(hp);
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hpBottom = new HorizontalPanel();
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hpBottom.setWidth("100%");
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// hpBottom.getElement().getStyle().setMarginTop(5, Unit.PX);
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hpBottom.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
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if(uploadType.equals(UPLOAD_TYPE.File)){
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HTML msg = new HTML("<p>To select multiple files, press and hold down the Ctrl key, and then</p><p style='margin:-3px 0;'>click each item that you want to select</p>");
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msg.getElement().getStyle().setFontSize(10, Unit.PX);
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hpBottom.add(msg);
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}
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HorizontalPanel hp2 = new HorizontalPanel();
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hp2.getElement().getStyle().setMarginTop(5, Unit.PX);
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// hp2.getElement().getStyle().setWidth(100, Unit.PCT);
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hp2.addStyleName("align-right-close");
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Button bClose = new Button("Close");
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bClose.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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DialogUpload.this.hide();
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}
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});
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hp2.add(bClose);
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hpBottom.add(hp2);
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panel.add(hpBottom);
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add(formPanel);
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}
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/**
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* @return the panel
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*/
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public VerticalPanel getPanel() {
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return panel;
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}
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protected void initJsonClientKeys(){
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jsonClientKeys = new Hidden(ConstantsWorkspaceUploader.CLIENT_UPLOAD_KEYS,"");
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}
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/**
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* Bind events.
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*/
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public void bindEvents(){
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this.addHandlers();
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// this.addListeners();
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}
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/**
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* Adds the handlers.
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*/
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protected void addHandlers() {
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// handle the post
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formPanel.addSubmitCompleteHandler(new SubmitCompleteHandler() {
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@Override
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public void onSubmitComplete(SubmitCompleteEvent event) {
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GWT.log("onSubmitComplete");
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hide();
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// isStatusCompleted = true;
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String result = event.getResults();
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if (result == null) {
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removeLoading();
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new DialogResult(null, "Error during upload", "An error occurred during file upload.").center();
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return;
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}
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String strippedResult = new HTML(result).getText();
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final HandlerResultMessage resultMessage = HandlerResultMessage.parseResult(strippedResult);
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switch (resultMessage.getStatus()) {
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case ERROR:
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removeLoading();
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GWT.log("Error during upload "+resultMessage.getMessage());
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break;
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case UNKNOWN:
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removeLoading();
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GWT.log("Error during upload "+resultMessage.getMessage());
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break;
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case WARN: {
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GWT.log("Upload completed with warnings "+resultMessage.getMessage());
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removeLoading();
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break;
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}
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case SESSION_EXPIRED:{
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GWT.log("Upload aborted due to session expired: "+ resultMessage.getMessage());
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Window.alert("Session expired, please reload the page");
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removeLoading();
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break;
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}
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case OK: {
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// removeLoading();
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// UploaderMonitor.getInstance().pollWorkspaceUploaderId(resultMessage.getMessage());
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/*Timer t = new Timer() {
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public void run() {
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GWT.log("Upload started with id: "+resultMessage.getMessage());
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UploaderMonitor.getInstance().pollWorkspaceUploaderId(resultMessage.getMessage());
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}
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};
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t.schedule(250);*/
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}
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}
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}
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});
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//TODO NEVER USED, WE ARE USING MULTIPLE DIALOG UPLOAD
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formPanel.addSubmitHandler(new SubmitHandler() {
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@Override
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public void onSubmit(SubmitEvent event) {
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GWT.log("SubmitEvent");
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addLoading();
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enableButtons(false);
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WorkspaceUploaderItem fakeUploader = new WorkspaceUploaderItem();
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fakeUploader.setClientUploadKey(clientUploadKey);
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int queueIndex = UploaderMonitor.getInstance().newQueue();
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UploaderMonitor.getInstance().addNewUploaderToMonitorPanel(fakeUploader, fileUpload.getFilename());
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setVisible(false);
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removeLoading();
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UploaderMonitor.getInstance().addNewUploaderToQueue(queueIndex, fakeUploader);
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UploaderMonitor.getInstance().doStartPollingQueue(queueIndex);
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}
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});
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fileUpload.addChangeHandler(new ChangeHandler() {
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@Override
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public void onChange(ChangeEvent event) {
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GWT.log("btnSubmit click");
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if (fileUpload.getFilename()==null || !(fileUpload.getFilename().length()>2)) {
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GWT.log("No file specified ");
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return;
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}
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GWT.log("fileUpload.getFilename() "+fileUpload.getFilename());
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/*
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* TODO: recall: Some browser would write in fileUploadField.getValue() C:\fakepath\$fileName
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*/
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String normalizedFileName = fileUpload.getFilename();
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if (normalizedFileName.contains("\\")) {
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normalizedFileName = normalizedFileName.substring(normalizedFileName.lastIndexOf("\\")+1); //remove C:\fakepath\ if exists
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}
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final String label = normalizedFileName;
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WorkspaceUploaderServiceAsync.Util.getInstance().itemExistsInWorkpaceFolder(parentIdentifier, normalizedFileName, new AsyncCallback<String>() {
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@Override
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public void onSuccess(final String itemId) {
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GWT.log("itemExistsInWorkpaceFolder: "+itemId);
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if(itemId!=null){
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// HANDLE OWERWRITE
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if(Window.confirm(label + " exists in folder. Overwrite?")){
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removeItemAndSubmitForm(itemId);
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updateItemSubmitForm(itemId);
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}
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}else
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submitForm(); //ITEM does NOT EXIST SO SUBMIT FORM;
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}
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@Override
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public void onFailure(Throwable caught) {
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GWT.log("Sorry an error occurred on the server "+caught.getLocalizedMessage() + ". Please try again later");
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Window.alert(caught.getMessage());
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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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* Adds the loading.
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*/
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protected void addLoading(){
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panel.add(LOADING);
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}
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/**
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* Removes the loading.
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*/
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protected void removeLoading(){
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try{
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panel.remove(LOADING);
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}catch(Exception e){
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}
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}
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/**
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* Enable buttons.
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*
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* @param bool the bool
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*/
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protected void enableButtons(boolean bool){
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// btnUpload.setEnabled(bool);
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// btnCancel.setEnabled(bool);
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// upload.setEnabled(bool);
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}
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/**
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* Submit form.
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*/
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public void submitForm(){
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formPanel.submit();
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}
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/**
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* Removes the item and submit form.
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*
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* @param itemId the item id
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*/
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protected void removeItemAndSubmitForm(String itemId){
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/*
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AppControllerExplorer.rpcWorkspaceService.removeItem(itemId, new AsyncCallback<Boolean>() {
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@Override
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public void onFailure(Throwable caught) {
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Info.display("Error", caught.getMessage());
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}
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@Override
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public void onSuccess(Boolean result) {
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if(result){
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hiddenOverwrite.setValue("true");
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submitForm();
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}
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}
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});*/
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}
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/**
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* Update item submit form.
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*
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* @param itemId the item id
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*/
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protected void updateItemSubmitForm(String itemId){
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hiddenOverwrite.setValue("true");
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submitForm();
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}
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/* (non-Javadoc)
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* @see org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.HasWorskpaceUploadNotificationListener#addWorkspaceUploadNotificationListener(org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener)
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*/
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@Override
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public void addWorkspaceUploadNotificationListener(WorskpaceUploadNotificationListener handler) {
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controller.addWorkspaceUploadListener(handler);
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}
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/* (non-Javadoc)
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* @see org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.HasWorskpaceUploadNotificationListener#removeWorkspaceUploadNotificationListener(org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploadNotification.WorskpaceUploadNotificationListener)
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*/
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@Override
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public void removeWorkspaceUploadNotificationListener(WorskpaceUploadNotificationListener handler) {
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controller.removeWorkspaceUploadListener(handler);
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}
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}
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