/**
* Updates section displayed on a diagram. Recalculates new position and size of the Section. Also
* sets the functionality of the horizontal or vertical dragging.
*/
public void update() {
try {
this.height = Math.abs(endPoint.getTop() - startPoint.getTop());
this.width = Math.abs(endPoint.getLeft() - startPoint.getLeft());
if (isVertical()) {
this.setHTML(verticalLine(this.height + additionalHeight, style));
sectionDragController.setAllowHorizontalDragging(true);
sectionDragController.setAllowVerticalDragging(false);
((AbsolutePanel) this.getParent())
.setWidgetPosition(
this,
this.startPoint.getLeft(),
Math.min(this.startPoint.getTop(), this.endPoint.getTop()));
} else if (isHorizontal()) {
if (this.connector.isSelected) {
this.setHTML(selectedHorizontalLine(this.width + additionalWidth, style));
} else {
this.setHTML(horizontalLine(this.width + additionalWidth, style));
}
sectionDragController.setAllowHorizontalDragging(false);
sectionDragController.setAllowVerticalDragging(true);
((AbsolutePanel) this.getParent())
.setWidgetPosition(
this,
Math.min(this.startPoint.getLeft(), this.endPoint.getLeft()),
this.endPoint.getTop());
}
// Calculate decoration's direction and update decorations
if (startPointDecoration != null) {
this.startPointDecoration.update(
calculateStartPointDecorationDirection(), startPoint.getLeft(), startPoint.getTop());
}
if (endPointDecoration != null) {
this.endPointDecoration.update(
calculateEndPointDecorationDirection(), endPoint.getLeft(), endPoint.getTop());
}
} catch (Exception e) {
LOG.log(Level.SEVERE, "Error updating section", e);
connector.calculateStandardPointsPositions();
connector.drawSections();
}
}
