workspace-uploader/src/main/java/org/gcube/portlets/widgets/workspaceuploader/client/uploader/DialogUpload.java

348 lines
9.3 KiB
Java

package org.gcube.portlets.widgets.workspaceuploader.client.uploader;
import org.gcube.portlets.widgets.workspaceuploader.client.ConstantsWorkspaceUploader;
import org.gcube.portlets.widgets.workspaceuploader.client.DialogResult;
import org.gcube.portlets.widgets.workspaceuploader.client.WorkspaceUploaderServiceAsync;
import org.gcube.portlets.widgets.workspaceuploader.shared.HandlerResultMessage;
import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploaderItem;
import com.google.gwt.core.shared.GWT;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FileUpload;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;
import com.google.gwt.user.client.ui.FormPanel.SubmitEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitHandler;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.Hidden;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
/**
* The Class DialogUpload.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Sep 24, 2015
*/
public class DialogUpload extends DialogBox {
private final FormPanel formPanel = new FormPanel();
private boolean isStatusCompleted = false;
private Button btnSubmit = new Button("Upload");
private Button btnCancel = new Button("Cancel");
private Hidden hiddenOverwrite = new Hidden(ConstantsWorkspaceUploader.IS_OVERWRITE,"false");
private FileUpload upload;
/**
* The Enum UPLOAD_TYPE.
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Sep 24, 2015
*/
public static enum UPLOAD_TYPE {File, Archive};
private HTML LOADING = new HTML("Upload starting...");
private String parentIdentifier = "";
private VerticalPanel panel;
private HorizontalPanel hpButtons;
private String clientUploadKey;
/**
* Instantiates a new dialog upload.
*
* @param headerTitle the header title
* @param parentId the parent id
* @param uploadType the upload type
*/
public DialogUpload(String headerTitle, final String parentId, UPLOAD_TYPE uploadType){
setText(headerTitle);
this.parentIdentifier = parentId;
formPanel.setAction(ConstantsWorkspaceUploader.WORKSPACE_UPLOADER_SERVLET);
formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
formPanel.setMethod(FormPanel.METHOD_POST);
formPanel.setWidth("auto");
// Create a panel to hold all of the form widgets.
panel = new VerticalPanel();
formPanel.setWidget(panel);
setModal(false);
upload = new FileUpload();
upload.setName(ConstantsWorkspaceUploader.UPLOAD_FORM_ELEMENT);
// Add hidden parameters
panel.add(new Hidden(ConstantsWorkspaceUploader.ID_FOLDER,parentId));
panel.add(new Hidden(ConstantsWorkspaceUploader.UPLOAD_TYPE,uploadType.toString()));
panel.add(hiddenOverwrite);
clientUploadKey = GenerateUUID.get(15, 16);
panel.add(new Hidden(ConstantsWorkspaceUploader.CLIENT_UPLOAD_KEYS,clientUploadKey));
panel.add(upload);
hpButtons = new HorizontalPanel();
hpButtons.getElement().getStyle().setMarginTop(10, Unit.PX);
hpButtons.getElement().getStyle().setMarginBottom(10, Unit.PX);
btnCancel.getElement().getStyle().setMarginLeft(10, Unit.PX);
hpButtons.add(btnSubmit);
hpButtons.add(btnCancel);
panel.add(hpButtons);
// handle the post
formPanel.addSubmitCompleteHandler(new SubmitCompleteHandler() {
@Override
public void onSubmitComplete(SubmitCompleteEvent event) {
GWT.log("onSubmitComplete");
hide();
isStatusCompleted = true;
String result = event.getResults();
if (result == null) {
removeLoading();
new DialogResult(null, "Error during upload", "An error occurred during file upload.").center();
return;
}
String strippedResult = new HTML(result).getText();
final HandlerResultMessage resultMessage = HandlerResultMessage.parseResult(strippedResult);
switch (resultMessage.getStatus()) {
case ERROR:
removeLoading();
GWT.log("Error during upload "+resultMessage.getMessage());
break;
case UNKNOWN:
removeLoading();
GWT.log("Error during upload "+resultMessage.getMessage());
break;
case WARN: {
GWT.log("Upload completed with warnings "+resultMessage.getMessage());
removeLoading();
break;
}
case OK: {
removeLoading();
UploaderMonitor.getInstance().pollWorkspaceUploaderId(resultMessage.getMessage());
/*Timer t = new Timer() {
public void run() {
GWT.log("Upload started with id: "+resultMessage.getMessage());
UploaderMonitor.getInstance().pollWorkspaceUploaderId(resultMessage.getMessage());
}
};
t.schedule(250);*/
}
}
}
});
formPanel.addSubmitHandler(new SubmitHandler() {
@Override
public void onSubmit(SubmitEvent event) {
GWT.log("SubmitEvent");
addLoading();
enableButtons(false);
WorkspaceUploaderItem fakeUploader = new WorkspaceUploaderItem(clientUploadKey);
fakeUploader.setClientUploadKey(clientUploadKey);
UploaderMonitor.getInstance().addNewSubmit(fakeUploader, upload.getFilename());
setVisible(false);
}
});
add(formPanel);
this.addListeners();
}
/**
* Adds the loading.
*/
private void addLoading(){
panel.add(LOADING);
}
/**
* Removes the loading.
*/
private void removeLoading(){
try{
panel.remove(LOADING);
}catch(Exception e){
}
}
/**
* Enable buttons.
*
* @param bool the bool
*/
private void enableButtons(boolean bool){
btnSubmit.setEnabled(bool);
btnCancel.setEnabled(bool);
}
/**
* Adds the listeners.
*/
private void addListeners() {
btnSubmit.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
GWT.log("btnSubmit click");
if (upload.getFilename()==null || !(upload.getFilename().length()>2)) {
GWT.log("No file specified ");
return;
}
/*
* TODO: recall: Some browser would write in fileUploadField.getValue() C:\fakepath\$fileName
*/
String normalizedFileName = upload.getFilename();
if (normalizedFileName.contains("\\")) {
normalizedFileName = normalizedFileName.substring(normalizedFileName.lastIndexOf("\\")+1); //remove C:\fakepath\ if exists
}
final String label = normalizedFileName;
WorkspaceUploaderServiceAsync.Util.getInstance().itemExistsInWorkpaceFolder(parentIdentifier, normalizedFileName, new AsyncCallback<String>() {
@Override
public void onSuccess(final String itemId) {
GWT.log("itemExistsInWorkpaceFolder: "+itemId);
//TODO HANDLE OWERWRITE
// if(itemId!=null){
//
// MessageBoxConfirm msg = new MessageBoxConfirm("Replace "+label+"?", label + " exists in folder "+parentName + ". Overwrite?");
//
//
// msg.getMessageBoxConfirm().addCallback(new Listener<MessageBoxEvent>() {
//
// public void handleEvent(MessageBoxEvent be) {
//
// //IF NOT CANCELLED
// String clickedButton = be.getButtonClicked().getItemId();
//
// if(clickedButton.equals(Dialog.YES)){
//
//// removeItemAndSubmitForm(itemId);
// updateItemSubmitForm(itemId);
// }
//
//
// }
// });
// }else
submitForm(); //ITEM does NOT EXIST SO SUBMIT FORM;
}
@Override
public void onFailure(Throwable caught) {
GWT.log("Sorry an error occurred on the server "+caught.getLocalizedMessage() + ". Please try again later");
Window.alert(caught.getMessage());
}
});
}
});
btnCancel.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
hide();
}
});
}
/**
* Submit form.
*/
public void submitForm(){
/*messageBoxWait = new MessageBoxWait(ConstantsExplorer.PROGRESS, ConstantsExplorer.SAVINGYOURFILE, fileUploadField.getValue());
//Progress bar for upload
final Timer t = new Timer()
{
public void run()
{
if (isStatusCompleted)
{
cancel();
messageBoxWait.getMessageBoxWait().close();
}
}
};
t.scheduleRepeating(500);*/
GWT.log("Form submit: "+formPanel.getAction());
formPanel.submit();
}
/**
* Removes the item and submit form.
*
* @param itemId the item id
*/
private void removeItemAndSubmitForm(String itemId){
/*
AppControllerExplorer.rpcWorkspaceService.removeItem(itemId, new AsyncCallback<Boolean>() {
@Override
public void onFailure(Throwable caught) {
Info.display("Error", caught.getMessage());
}
@Override
public void onSuccess(Boolean result) {
if(result){
hiddenOverwrite.setValue("true");
submitForm();
}
}
});*/
}
/**
* Update item submit form.
*
* @param itemId the item id
*/
private void updateItemSubmitForm(String itemId){
hiddenOverwrite.setValue("true");
submitForm();
}
/**
* Checks if is status completed.
*
* @return the isStatusCompleted
*/
public boolean isStatusCompleted() {
return isStatusCompleted;
}
}