/**
* Called when a component changed location within the layout
*
* @param event The drag and drop event
*/
@Override
protected void handleComponentReordering(DragAndDropEvent event) {
AbsoluteLayoutTargetDetails details = (AbsoluteLayoutTargetDetails) event.getTargetDetails();
DDAbsoluteLayout layout = (DDAbsoluteLayout) details.getTarget();
LayoutBoundTransferable transferable = (LayoutBoundTransferable) event.getTransferable();
Component component = transferable.getComponent();
// Get top-left pixel position
int leftPixelPosition = details.getRelativeLeft();
int topPixelPosition = details.getRelativeTop();
ComponentPosition position = layout.getPosition(component);
position.setLeft((float) leftPixelPosition, Sizeable.UNITS_PIXELS);
position.setTop((float) topPixelPosition, Sizeable.UNITS_PIXELS);
}
@SuppressWarnings("static-access")
void reload() {
Collection<?> children =
folder == null
? DDTest6.get().tree1.rootItemIds()
: DDTest6.get().tree1.getChildren(folder);
if (children == null) {
l.removeAllComponents();
return;
} else {
// make modifiable
children = new HashSet<Object>(children);
}
Set<Component> removed = new HashSet<Component>();
for (Iterator<Component> componentIterator = l.getComponentIterator();
componentIterator.hasNext(); ) {
FileIcon next = (FileIcon) componentIterator.next();
if (!children.contains(next.file)) {
removed.add(next);
} else {
children.remove(next.file);
}
}
for (Component component : removed) {
l.removeComponent(component);
}
for (Object object : children) {
FileIcon fileIcon = new FileIcon((File) object);
l.addComponent(fileIcon);
ComponentPosition position = l.getPosition(fileIcon);
position.setTop(Float.valueOf((y++ / 5) % 5 * 100), UNITS_PIXELS);
position.setLeft(Float.valueOf(x++ % 5 * 100), UNITS_PIXELS);
}
}
@Override
public void drop(DragAndDropEvent event) {
WrapperTargetDetails ed = (WrapperTargetDetails) event.getTargetDetails();
Transferable ctr = event.getTransferable();
// use "component" (from DragDropPane) if available, else take
// the source component
Component component = null;
if (ctr instanceof WrapperTransferable) {
component = ((WrapperTransferable) ctr).getDraggedComponent();
} else if (ctr instanceof DataBoundTransferable) {
// Item has been dragged, construct a Label from
// Item id
Label l = new Label();
l.setSizeUndefined();
l.setValue("ItemId : " + ((DataBoundTransferable) ctr).getItemId());
component = l;
}
if (component != null) {
if (component.getParent() != root) {
root.addComponent(component);
Integer left = ed.getAbsoluteLeft();
Integer top = ed.getAbsoluteTop();
MouseEventDetails eventDetails = ed.getMouseEvent();
int clientX = eventDetails.getClientX();
int clientY = eventDetails.getClientY();
try {
root.getPosition(component).setTopValue(Float.valueOf(clientY - top));
root.getPosition(component).setLeftValue(Float.valueOf(clientX - left));
} catch (Exception e) {
}
} else {
// drag started and ended inside the this Pane
MouseEventDetails start =
((WrapperTransferable) event.getTransferable()).getMouseDownEvent();
MouseEventDetails eventDetails = ed.getMouseEvent();
int deltaX = eventDetails.getClientX() - start.getClientX();
int deltaY = eventDetails.getClientY() - start.getClientY();
ComponentPosition p = root.getPosition(component);
p.setTopValue(p.getTopValue() + deltaY);
p.setLeftValue(p.getLeftValue() + deltaX);
}
} else {
// drag coming outside of Vaadin
WrapperTransferable wtr = (WrapperTransferable) ctr;
String object = wtr.getText();
// String html = wtr.getHtml();
// String url = (String) ctr.getData("Url");
final Label l = new Label();
l.setCaption("Generated from HTML5 drag:");
if (object != null) {
if (object.length() > 80) {
object = object.substring(0, 79);
}
l.setValue(object);
} else {
l.setValue("HTML5 dd");
}
Html5File[] files = wtr.getFiles();
if (files != null) {
for (Html5File html5File : files) {
l.setCaption(html5File.getFileName());
html5File.setStreamVariable(
new StreamVariable() {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
@Override
public OutputStream getOutputStream() {
return byteArrayOutputStream;
}
@Override
public boolean listenProgress() {
return false;
}
@Override
public void onProgress(StreamingProgressEvent event) {}
@Override
public void streamingStarted(StreamingStartEvent event) {}
@Override
public void streamingFinished(StreamingEndEvent event) {
l.setValue(
(new String(byteArrayOutputStream.toByteArray()).substring(0, 80) + "..."));
}
@Override
public void streamingFailed(StreamingErrorEvent event) {}
@Override
public boolean isInterrupted() {
return false;
}
});
}
}
l.setSizeUndefined();
root.addComponent(l);
}
return;
}
@Override
@SuppressWarnings("static-access")
public void drop(DragAndDropEvent dropEvent) {
if (dropEvent.getTransferable().getSourceComponent() instanceof FileIcon) {
// update the position
DragAndDropWrapper.WrapperTransferable transferable =
(WrapperTransferable) dropEvent.getTransferable();
MouseEventDetails mouseDownEvent = transferable.getMouseDownEvent();
WrapperTargetDetails dropTargetDetails =
(WrapperTargetDetails) dropEvent.getTargetDetails();
MouseEventDetails mouseEvent = dropTargetDetails.getMouseEvent();
int deltaX = mouseEvent.getClientX() - mouseDownEvent.getClientX();
int deltaY = mouseEvent.getClientY() - mouseDownEvent.getClientY();
ComponentPosition position = l.getPosition(transferable.getSourceComponent());
position.setTop(position.getTopValue() + deltaY, UNITS_PIXELS);
position.setLeft(position.getLeftValue() + deltaX, UNITS_PIXELS);
} else if (dropEvent.getTransferable().getSourceComponent() == tree1) {
// dragged something from tree to the folder shown
File draggedFile = (File) ((DataBoundTransferable) dropEvent.getTransferable()).getItemId();
DDTest6.get().setParent(draggedFile, folder);
} else {
// expecting this to be an html5 drag
WrapperTransferable tr = (WrapperTransferable) dropEvent.getTransferable();
Html5File[] files2 = tr.getFiles();
if (files2 != null) {
for (Html5File html5File : files2) {
String fileName = html5File.getFileName();
// int bytes = html5File.getFileSize();
final ByteArrayOutputStream bas = new ByteArrayOutputStream();
StreamVariable streamVariable =
new StreamVariable() {
@Override
public OutputStream getOutputStream() {
return bas;
}
@Override
public boolean listenProgress() {
return false;
}
@Override
public void onProgress(StreamingProgressEvent event) {}
@Override
public void streamingStarted(StreamingStartEvent event) {}
@Override
public void streamingFinished(StreamingEndEvent event) {}
@Override
public void streamingFailed(StreamingErrorEvent event) {}
@Override
public boolean isInterrupted() {
return false;
}
};
html5File.setStreamVariable(streamVariable);
File file = new File(fileName, bas);
file.setType(html5File.getType());
// FF don't know csv
if (fileName.endsWith(".csv")) {
file.setType("text/csv");
}
DDTest6.get().fs1.addBean(file);
DDTest6.get().tree1.setChildrenAllowed(file, false);
DDTest6.get().setParent(file, folder);
}
}
}
}