308 lines
9.0 KiB
Java
308 lines
9.0 KiB
Java
package org.gcube.portlets.user.workspace.client.view.windows;
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import org.gcube.portlets.user.workspace.client.AppControllerExplorer;
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import org.gcube.portlets.user.workspace.client.ConstantsExplorer;
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import org.gcube.portlets.user.workspace.client.event.CompletedFileUploadEvent;
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import org.gcube.portlets.user.workspace.client.model.FileModel;
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import org.gcube.portlets.user.workspace.shared.HandlerResultMessage;
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import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
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import com.extjs.gxt.ui.client.event.ButtonEvent;
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import com.extjs.gxt.ui.client.event.Events;
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import com.extjs.gxt.ui.client.event.FormEvent;
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import com.extjs.gxt.ui.client.event.Listener;
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import com.extjs.gxt.ui.client.event.MessageBoxEvent;
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import com.extjs.gxt.ui.client.event.SelectionListener;
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import com.extjs.gxt.ui.client.widget.Dialog;
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import com.extjs.gxt.ui.client.widget.Info;
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import com.extjs.gxt.ui.client.widget.Window;
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import com.extjs.gxt.ui.client.widget.button.Button;
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import com.extjs.gxt.ui.client.widget.form.FileUploadField;
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import com.extjs.gxt.ui.client.widget.form.FormPanel;
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import com.extjs.gxt.ui.client.widget.form.FormPanel.Encoding;
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import com.extjs.gxt.ui.client.widget.form.FormPanel.Method;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.Hidden;
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/**
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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*
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*/
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public class DialogUpload extends Window {
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/**
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*
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*/
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private final FormPanel formPanel = new FormPanel();
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private FileUploadField fileUploadField = new FileUploadField();
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private MessageBoxWait messageBoxWait = null;
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private boolean isStatusCompleted = false;
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private Button btnSubmit = new Button("Submit");
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private Button btnCancel = new Button("Cancel");
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private Hidden hiddenOverwrite = new Hidden(ConstantsExplorer.IS_OVERWRITE,"false");
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private String parentIdentifier = "";
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private String parentName = "";
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public DialogUpload(String headerTitle, String parentName, final FileModel parent, String fieldLabel){
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this.setHeaderVisible(true);
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this.setHeading(headerTitle + parentName);
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this.parentIdentifier = parent.getIdentifier();
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this.parentName = parentName;
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this.setStyleAttribute("margin", "10px");
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// Create a FormPanel and point it at a service.
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// Create a FormPanel and point it at a service.
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formPanel.setHeaderVisible(false);
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formPanel.setFrame(true);
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formPanel.setAction(ConstantsExplorer.UPLOAD_WORKSPACE_SERVICE);
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formPanel.setEncoding(Encoding.MULTIPART);
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formPanel.setMethod(Method.POST);
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formPanel.setButtonAlign(HorizontalAlignment.CENTER);
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formPanel.setWidth(400);
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// TextField<String> name = new TextField<String>();
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// name.setFieldLabel("Name");
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// formPanel.add(name);
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fileUploadField.setAllowBlank(false);
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fileUploadField.setName(ConstantsExplorer.UPLOAD_FORM_ELEMENT);
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// Add hidden parameters
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formPanel.add(new Hidden(ConstantsExplorer.ID_FOLDER,parent.getIdentifier()));
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formPanel.add(new Hidden(ConstantsExplorer.UPLOAD_TYPE,fieldLabel));
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formPanel.add(hiddenOverwrite);
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// fileUploadField.setFieldLabel(ConstantsExplorer.FILE);
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fileUploadField.setFieldLabel(fieldLabel);
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formPanel.add(fileUploadField);
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formPanel.addButton(btnSubmit);
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formPanel.addButton(btnCancel);
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// handle the post
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formPanel.addListener(Events.Submit, new Listener<FormEvent>() {
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public void handleEvent(FormEvent event) {
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// When the form submission is successfully completed, this
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// event is
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// fired. Assuming the service returned a response of type
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// text/html,
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isStatusCompleted = true;
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// Log.trace("onSubmitComplete");
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String result = event.getResultHtml();
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// Log.trace("Result "+result);
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hide();
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messageBoxWait.getMessageBoxWait().close();
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if (result == null) {
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// MessageUtil.showErrorMessage("Error during upload", "An error occurred during file upload.");
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new MessageBoxAlert("Error during upload", "An error occurred during file upload.", null);
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return;
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}
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//expected <pre>200:Upload complete</pre>
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/*we strip tags added by webserver,
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*
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* Massi fix because webkit returns
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* <pre style="word-wrap: break-word; white-space: pre-wrap;">OK:File france_flag.png(0) imported correctly in /Workspace</pre>
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*
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* TODO: recall it next time
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*/
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//String strippedResult = result.replace("<pre>", "").replace("</pre>", ""); //this won't work for webkit
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//replaced by new HTML(result).getText()
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String strippedResult = new HTML(result).getText();
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// com.google.gwt.user.client.Window.alert(result);
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// com.google.gwt.user.client.Window.alert("Stripped: " + strippedResult);
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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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new MessageBoxAlert("Error during upload", resultMessage.getMessage(), null);
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break;
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case UNKNOWN:
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new MessageBoxAlert("Error during upload", resultMessage.getMessage(), null);
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break;
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case WARN: {
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new MessageBoxAlert("Upload completed with warnings", resultMessage.getMessage(), null);
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break;
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}
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case OK: {
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Timer t = new Timer() {
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public void run() {
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AppControllerExplorer.getEventBus().fireEvent(new CompletedFileUploadEvent(parent, null));
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new InfoDisplayMessage("Upload completed successfully", 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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add(formPanel);
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this.addListeners();
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this.setAutoWidth(true);
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this.setAutoHeight(true);
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// this.show();
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}
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private void addListeners() {
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btnSubmit.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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if (fileUploadField.getValue()==null || !(fileUploadField.getValue().length()>2)) {
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new MessageBoxAlert(ConstantsExplorer.ERROR, ConstantsExplorer.NOFILESPECIFIED, null);
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return;
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}
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// com.google.gwt.user.client.Window.alert("parentIdentifier "+parentIdentifier);
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// com.google.gwt.user.client.Window.alert("fileUploadField.getValue() "+fileUploadField.getValue());
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// com.google.gwt.user.client.Window.alert("parentName "+parentName);
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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 = fileUploadField.getValue();
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// com.google.gwt.user.client.Window.alert("fileUploadField.getValue() "+fileUploadField.getValue());
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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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// com.google.gwt.user.client.Window.alert("normalizedFileName= "+normalizedFileName);
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}
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final String label = normalizedFileName;
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AppControllerExplorer.rpcWorkspaceService.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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if(itemId!=null){
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MessageBoxConfirm msg = new MessageBoxConfirm("Replace "+label+"?", label + " exists in folder "+parentName + ". Overwrite?");
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msg.getMessageBoxConfirm().addCallback(new Listener<MessageBoxEvent>() {
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public void handleEvent(MessageBoxEvent be) {
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//IF NOT CANCELLED
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String clickedButton = be.getButtonClicked().getItemId();
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if(clickedButton.equals(Dialog.YES)){
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// removeItemAndSubmitForm(itemId);
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updateItemSubmitForm(itemId);
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}
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}
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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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Info.display("Error", "Sorry an error occurred on the server "+caught.getLocalizedMessage() + ". Please try again later");
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}
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});
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}
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});
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btnCancel.addSelectionListener(new SelectionListener<ButtonEvent>() {
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@Override
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public void componentSelected(ButtonEvent ce) {
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hide();
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}
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});
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}
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public void submitForm(){
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messageBoxWait = new MessageBoxWait(ConstantsExplorer.PROGRESS, ConstantsExplorer.SAVINGYOURFILE, fileUploadField.getValue());
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//Progress bar for upload
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final Timer t = new Timer()
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{
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public void run()
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{
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if (isStatusCompleted)
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{
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cancel();
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messageBoxWait.getMessageBoxWait().close();
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}
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}
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};
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t.scheduleRepeating(500);
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formPanel.submit();
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}
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private void removeItemAndSubmitForm(String itemId){
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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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private void updateItemSubmitForm(String itemId){
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hiddenOverwrite.setValue("true");
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submitForm();
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}
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}
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