@Override
public void onResize(final ResizeEvent event) {
if (!widget.isAttached()) {
return;
}
widget.setHeight(getHeight() + "px");
}
private int getMarginSize() {
if (marginSize != -101) {
return marginSize;
}
if (widget.getParent().getOffsetHeight() != 0) {
int previousSize = widget.getOffsetHeight();
widget.setHeight(previousSize + "px");
marginSize = widget.getOffsetHeight() - previousSize;
GWT.log("set to " + marginSize);
return marginSize;
} else {
return 0;
}
}
/**
* We control size by setting our child widget's size. However, if we don't currently have a
* child, we record the size the user wanted so that when we do get a child, we can set it
* correctly. Until size is explicitly cleared, any child put into the popup will be given that
* size.
*/
void maybeUpdateSize() {
// For subclasses of PopupPanel, we want the default behavior of setWidth
// and setHeight to change the dimensions of PopupPanel's child widget.
// We do this because PopupPanel's child widget is the first widget in
// the hierarchy which provides structure to the panel. DialogBox is
// an example of this. We want to set the dimensions on DialogBox's
// FlexTable, which is PopupPanel's child widget. However, it is not
// DialogBox's child widget. To make sure that we are actually getting
// PopupPanel's child widget, we have to use super.getWidget().
Widget w = super.getWidget();
if (w != null) {
if (desiredHeight != null) {
w.setHeight(desiredHeight);
}
if (desiredWidth != null) {
w.setWidth(desiredWidth);
}
}
}
public void dragMove() {
Widget appointment = context.draggable.getParent();
// calculates difference between elements position on screen
// and how many pixels the user is trying to drag it
int delta = context.draggable.getAbsoluteTop() - context.desiredDraggableY;
// get the height of the widget
int contentHeight = appointment.getOffsetHeight();
// make sure the height of the widget is not < the minimum size
int newHeight = Math.max(contentHeight - delta, snapSize);
// get the 'snapped' height. basically it gets the rounded
// intervals spanned, then multiples it by the snapSize
int snapHeight = Math.round((float) newHeight / snapSize) * snapSize;
appointment.setHeight(snapHeight + "px");
}