public String getInnerHTML() {
// if this canvas is being redrawn, detach underlying gwt widget so that onDraw()
// can correctly reassociate it with container div
if (widget.isAttached()) widget.removeFromParent();
return "<DIV STYLE='width:100%;height:100%' ID=" + this.getID() + "_widget></DIV>";
}
/**
* This constructor allows to use an existing form panel.
*
* @param type file input to use
* @param status Customized status widget to use
* @param submitButton Customized button which submits the form
* @param form Customized form panel
*/
public SingleUploader(
FileInputType type, IUploadStatus status, Widget submitButton, FormPanel form) {
super(type, form);
final Uploader thisInstance = this;
if (status == null) {
status = new BaseUploadStatus();
super.add(status.getWidget());
}
super.setStatusWidget(status);
this.button = submitButton;
if (submitButton != null) {
submitButton.addStyleName("submit");
if (submitButton instanceof HasClickHandlers) {
((HasClickHandlers) submitButton)
.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
thisInstance.submit();
}
});
}
if (submitButton instanceof HasText) {
((HasText) submitButton).setText(I18N_CONSTANTS.uploaderSend());
}
// The user could have attached the button anywhere in the page.
if (!submitButton.isAttached()) {
super.add(submitButton);
}
}
}
@Override
public void onResize(final ResizeEvent event) {
if (!widget.isAttached()) {
return;
}
widget.setHeight(getHeight() + "px");
}
Candidate(DropController dropController) {
this.dropController = dropController;
Widget target = dropController.getDropTarget();
if (!target.isAttached()) {
throw new IllegalStateException(
"Unattached drop target. You must call DragController#unregisterDropController for all drop targets not attached to the DOM.");
}
targetArea = new WidgetArea(target, null);
}
protected void onDraw() {
// a GWT widget must be attached to a GWT Panel for its events to fire.
boolean attached = widget.isAttached();
if (!attached) {
RootPanel rp = RootPanel.get(this.getID() + "_widget");
rp.add(widget);
String width = DOM.getStyleAttribute(widget.getElement(), "width");
if (width != null && !width.equals("")) {
setWidth(width);
}
String height = DOM.getStyleAttribute(widget.getElement(), "height");
if (height != null && !height.equals("")) {
setHeight(height);
}
}
}
@Override
public void forceResize() {
if (!widget.isAttached()) {
return;
}
if (widget.getOffsetHeight() != getHeight()) {
DeferredCommand.addCommand(
new Command() {
@Override
public void execute() {
widget.setHeight(getHeight() + "px");
}
});
}
}
@Override
public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent event) {
// super.onConnectorHierarchyChange(event);
// Remove old children
for (ComponentConnector child : event.getOldChildren()) {
if (child.getParent() != this) {
Widget widget = child.getWidget();
if (widget.isAttached()) {
getWidget().remove(widget);
}
}
}
// Add or move children
int index = 0;
for (ComponentConnector child : getChildComponents()) {
getWidget().addOrMove(child.getWidget(), index);
++index;
}
}