416 lines
11 KiB
Java
416 lines
11 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.widgets.workspaceuploader.client.uploader;
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import java.util.ArrayList;
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import java.util.Arrays;
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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.uploader.dragdrop.MultipleDNDUpload;
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import org.gcube.portlets.widgets.workspaceuploader.shared.HandlerResultMessage;
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import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploadFile;
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import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploaderItem;
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import org.gcube.portlets.widgets.workspaceuploader.shared.WorkspaceUploaderItem.UPLOAD_STATUS;
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import com.google.gwt.core.client.GWT;
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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.json.client.JSONArray;
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import com.google.gwt.json.client.JSONObject;
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import com.google.gwt.json.client.JSONString;
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import com.google.gwt.user.client.Window;
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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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/**
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* The Class MultipleDilaogUploadStream.
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*
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Oct 2, 2015
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*/
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public class MultipleDilaogUpload extends DialogUpload {
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public static final String FILE_DELEMITER = ";";
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private String fileUploadID;
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private MultipleDNDUpload dnd;
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public MultipleDilaogUpload instance = this;
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private String jsonKeys;
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private String idFolder;
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private UPLOAD_TYPE type;
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/**
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* Instantiates a new multiple dilaog upload stream.
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*
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* @param headerTitle
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* the header title
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* @param parentId
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* the parent id
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* @param uploadType
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* the upload type
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*/
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public MultipleDilaogUpload(String headerTitle, String parentId, UPLOAD_TYPE uploadType) {
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super(headerTitle, parentId, uploadType);
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this.type =uploadType;
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this.idFolder = parentId;
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fileUploadID = GenerateUUID.get(10, 16); // is tagID
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fileUpload.getElement().setId(fileUploadID);
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this.addHandlers();
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}
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/* (non-Javadoc)
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* @see com.google.gwt.user.client.ui.DialogBox#show()
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*/
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@Override
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public void show() {
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super.show();
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}
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/* (non-Javadoc)
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* @see com.google.gwt.user.client.ui.PopupPanel#center()
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*/
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@Override
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public void center() {
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super.center();
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}
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/**
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* Generate new upload client keys.
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*
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* @param files the files
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* @param parentId the parent id
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* @return the list
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*/
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public void generateFakeUploaders(String filesSelected, String parentId) {
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if(filesSelected==null || filesSelected.isEmpty())
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return;
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String[] files = filesSelected.split(FILE_DELEMITER);
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// NORMALIZE FILE NAMES
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for (int i = 0; i < files.length; i++) {
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String normalizedFileName = files[i];
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if (normalizedFileName.contains("\\")) {
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files[i] = normalizedFileName.substring(normalizedFileName.lastIndexOf("\\") + 1); // remove C:\fakepath if exists
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}
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}
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GWT.log("generating fake uploaders on: "+Arrays.asList(files.toString()));
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fakeUploaders = new ArrayList<WorkspaceUploaderItem>(files.length);
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for (int i = 0; i < files.length; i++) {
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WorkspaceUploaderItem fakeItem = new WorkspaceUploaderItem();
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fakeItem.setClientUploadKey(GenerateUUID.get());
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fakeItem.setUploadStatus(UPLOAD_STATUS.WAIT);
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WorkspaceUploadFile fakeFile = new WorkspaceUploadFile();
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fakeFile.setFileName(files[i]);
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fakeFile.setParentId(parentId);
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fakeItem.setFile(fakeFile);
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fakeUploaders.add(fakeItem);
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}
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GWT.log("fakeUploaders generated: "+fakeUploaders.toString());
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// return fakeUploaders;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.gcube.portlets.widgets.workspaceuploader.client.uploader.
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* DialogUploadStream#addHandlers()
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*/
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@Override
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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",
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"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
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.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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}
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}
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}
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});
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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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addNewSubmitToMonitor();
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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("browse return...");
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if (fileUpload.getFilename() == null
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|| fileUpload.getFilename().isEmpty()) {
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GWT.log("No file specified ");
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MultipleDilaogUpload.this.hide();
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return;
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}
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String[] files = null;
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GWT.log("Current Uploader has id: "+fileUploadID);
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String filesSelected = getFilesSelected(fileUploadID, FILE_DELEMITER);
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GWT.log("getFilesSelected: " + filesSelected);
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files = filesSelected.split(FILE_DELEMITER);
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if(isLimitExceeded(files.length))
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return;
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// GENERATE NEW UPLOADERS
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generateFakeUploaders(filesSelected, parentIdentifier);
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GWT.log(fakeUploaders.toString());
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createJsonKeyForFiles();
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GWT.log(jsonKeys);
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if (jsonKeys == null) {
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Window.alert("Sorry an error occurred during file/s submit. Try again");
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return;
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}
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// ADD TO FORM PANEL
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// initJsonClientKeys();
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jsonClientKeys.setValue(jsonKeys);
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// // CASE 1 FILE
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// if (files.length == 1) {
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//
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// // recall: Some browser would write in
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// // fileUploadField.getValue() C:\fakepath\$fileName
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// final String label = files[0];
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// WorkspaceUploaderServiceAsync.Util.getInstance()
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// .itemExistsInWorkpaceFolder(parentIdentifier,
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// label, new AsyncCallback<String>() {
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//
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// @Override
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// public void onSuccess(
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// final String itemId) {
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// GWT.log("itemExistsInWorkpaceFolder: "
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// + itemId);
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// if (itemId != null) {
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// removeItemAndSubmitForm(itemId);
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// updateItemSubmitForm(itemId);
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//// if (Window.confirm(label+ " exists in folder. If you continue, a new version will be created")) {
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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
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// // EXIST SO
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// // SUBMIT FORM;
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// }
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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 "
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// + caught.getLocalizedMessage()
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// + ". 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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// } else
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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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* Checks if is limit exceeded.
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*
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* @param numbOfFiles the numb of files
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* @return true, if is limit exceeded
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*/
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public boolean isLimitExceeded(int numbOfFiles){
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if (numbOfFiles > ConstantsWorkspaceUploader.LIMIT_UPLOADS) {
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Window.alert("Multiple upload limit is "
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+ ConstantsWorkspaceUploader.LIMIT_UPLOADS
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+ " files");
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MultipleDilaogUpload.this.hide();
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return true;
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}
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return false;
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}
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/**
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* Adds the new submit to monitor.
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*/
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public void addNewSubmitToMonitor(){
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GWT.log("addNewSubmitToMonitor...");
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int queueIndex = UploaderMonitor.getInstance().newQueue();
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for (final WorkspaceUploaderItem workspaceUploaderItem : fakeUploaders) {
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UploaderMonitor.getInstance().addNewUploaderToMonitorPanel(workspaceUploaderItem, workspaceUploaderItem.getFile().getFileName());
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setVisible(false);
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removeLoading();
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UploaderMonitor.getInstance().addNewUploaderToQueue(queueIndex, workspaceUploaderItem);
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// UploaderMonitor.getInstance().pollWorkspaceUploader(workspaceUploaderItem);
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}
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UploaderMonitor.getInstance().doStartPollingQueue(queueIndex);
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}
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/**
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* Creates the json key for files.
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*
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* @return the string
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*/
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protected void createJsonKeyForFiles() {
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try {
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JSONObject productObj = new JSONObject();
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JSONArray jsonArray = new JSONArray();
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productObj.put(ConstantsWorkspaceUploader.JSON_CLIENT_KEYS, jsonArray);
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// GWT.log("Creating json keys on fakeUploaders: "+fakeUploaders.toString());
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for (int i = 0; i < fakeUploaders.size(); i++) {
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WorkspaceUploaderItem file = fakeUploaders.get(i);
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JSONObject obj = new JSONObject();
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obj.put(file.getClientUploadKey(), new JSONString(file.getFile().getFileName()));
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jsonArray.set(i, obj);
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}
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jsonKeys = productObj.toString();
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GWT.log("updated jsonKeys: "+jsonKeys);
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} catch (Exception e) {
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GWT.log("error " + e.getMessage());
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jsonKeys = null;
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}
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}
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/**
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* Submit form.
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*/
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@Override
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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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* Gets the files selected.
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*
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* @param iFrameName the i frame name
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* @return the files selected
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*/
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private static native String stopIFrame(final String iFrameName) /*-{
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console.log("iFrameName: " + iFrameName);
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// var iframe= window.frames[iFrameName];
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var iframe = $wnd.$('iframe[name=' + iFrameName + ']', parent.document)[0];
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var iframewindow = iframe.contentWindow ? iframe.contentWindow
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: iframe.contentDocument.defaultView;
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if (iframe == null)
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console.log("iframe is null");
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else
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console.log("iframe is not null");
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if (navigator.appName == 'Microsoft Internet Explorer'
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&& iframewindow.document.execCommand) { // IE browsers
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console.log("IE browsers");
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iframewindow.document.execCommand("Stop");
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} else { // other browsers
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console.log("other browsers");
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iframewindow.stop();
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}
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}-*/;
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/**
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* Gets the parent id.
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*
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* @return the parentId
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*/
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public String getParentId() {
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return parentIdentifier;
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}
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/**
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* Gets the upload type.
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*
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* @return the uploadType
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*/
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public UPLOAD_TYPE getUploadType() {
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return uploadType;
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}
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/**
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* Gets the files selected.
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*
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* @param tagId
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* the tag id
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* @param fileDelimiter
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* the file delimiter
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* @return the files selected
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*/
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public static native String getFilesSelected(final String tagId, final String fileDelimiter) /*-{
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var count = $wnd.$("#" + tagId)[0].files.length;
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console.log(count);
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var out = "";
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for (i = 0; i < count; i++) {
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var file = $wnd.$("#" + tagId)[0].files[i];
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// out += file.name + fileDelimiter + file.size + fileDelimiter;
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out += file.name + fileDelimiter;
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}
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return out;
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}-*/;
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}
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