public List<String> getNames() {
final List<String> names = Lists.newArrayList();
for (ListGridRecord record : filesGrid.getRecords()) {
names.add(record.getAttributeAsString("name"));
}
return names;
}
public CanUpload canUpload() {
final CanUpload canUpload;
if (filesGrid.getDataAsRecordList().isEmpty()) {
canUpload = CanUpload.cannotUpload("No files selected");
} else {
canUpload = CanUpload.canUpload();
}
return canUpload;
}
public int getNumSelectedFiles() {
final ListGridRecord[] records = filesGrid.getRecords();
return records == null ? 0 : records.length;
}
FlashUploadComponentImpl(final UploadComponentOptions options) {
filesGrid.setHeight(100);
filesGrid.setWidth100();
if (options.isAllowMultiple()) {
filesGrid.setEmptyMessage("No files selected.");
} else {
filesGrid.setEmptyMessage("File not selected.");
}
final ListGridField nameField = new ListGridField("name", "File Name");
nameField.setType(ListGridFieldType.TEXT);
nameField.setWidth("*");
filesGrid.setFields(nameField);
final UploadBuilder builder = new UploadBuilder();
// Configure which file types may be selected
if (options.getTypes() != null) {
builder.setFileTypes(options.getTypes());
}
if (options.getTypesDescription() != null) {
builder.setFileTypesDescription(options.getTypesDescription());
}
if (options.getTypesDescription() != null) {
builder.setFileTypesDescription(options.getTypesDescription());
}
clientId = getUniqueId();
final HTMLPane pane = new HTMLPane();
pane.setHeight(22);
builder.setButtonPlaceholderID(clientId);
builder.setButtonHeight(22);
builder.setButtonWidth(100);
pane.setWidth(100);
if (options.isAllowMultiple()) {
builder.setButtonImageURL(GWT.getHostPageBaseURL() + "images/uploadImageAddFiles.jpg");
} else {
builder.setButtonImageURL(GWT.getHostPageBaseURL() + "images/uploadImageChooseFile.jpg");
}
// Use ButtonAction.SELECT_FILE to only allow selection of a single file
builder.setButtonAction(
options.isAllowMultiple() ? ButtonAction.SELECT_FILES : ButtonAction.SELECT_FILE);
builder.setFileQueuedHandler(
new FileQueuedHandler() {
public void onFileQueued(final FileQueuedEvent queuedEvent) {
if (!options.isAllowMultiple()) {
SmartUtils.removeAllRecords(filesGrid);
}
final ListGridRecord record = new ListGridRecord();
record.setAttribute("id", queuedEvent.getFile().getId());
record.setAttribute("name", queuedEvent.getFile().getName());
filesGrid.addData(record);
}
});
builder.setUploadSuccessHandler(
new UploadSuccessHandler() {
public void onUploadSuccess(final UploadSuccessEvent uploadEvent) {
try {
filesUploaded++;
bytesUploaded += uploadEvent.getFile().getSize();
final String serverResponse = uploadEvent.getServerData();
fileSources.addAll(toFileSources(serverResponse));
updateUrl();
if (upload.getStats().getFilesQueued() > 0) {
upload.startUpload();
} else {
options.getCompletionCallback().onSuccess(fileSources);
}
} catch (final Exception e) {
options.getCompletionCallback().onFailure(e);
}
}
});
builder.setUploadErrorHandler(
new UploadErrorHandler() {
public void onUploadError(final UploadErrorEvent e) {
options
.getCompletionCallback()
.onFailure(new Exception("Upload failed " + e.getMessage()));
}
});
// The button to start the transfer
final Layout parent = getParentCanvas(options);
setWidget(parent);
// pane.setMargin(5);
pane.setContents("<span id=\"" + clientId + "\" />");
reg =
get()
.addDrawHandler(
new DrawHandler() {
public void onDraw(final DrawEvent event) {
upload = builder.build();
reg.removeHandler();
}
});
final Button removeButton = SmartUtils.getButton("Remove File", Resources.CROSS);
removeButton.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent event) {
final ListGridRecord record = filesGrid.getSelectedRecord();
final String id = record.getAttribute("id");
filesGrid.removeData(record);
upload.cancelUpload(id, false);
}
});
SmartUtils.enabledWhenHasSelection(removeButton, filesGrid);
removeButton.setDisabled(true);
if (!options.isAllowMultiple()) {
removeButton.hide();
}
final CanvasWithOpsLayout<ClientListGrid> layout =
new CanvasWithOpsLayout<ClientListGrid>(filesGrid, pane, removeButton);
if (debug) {
layout.setBorder("1px solid red");
parent.setBorder("1px solid orange");
}
parent.addMember(layout);
}
