/**
* Sets the curve depth of the arc. The curve depth is defined as the maximum distance from any
* point on the chord (i.e. a vector normal to the chord with magnitude d).
*
* <p>If 0 is set, a Polyline Connection will be used, otherwise a PolylineArcConnectoin will be
* used. Negative depths are also supported.
*
* @param depth The depth of the curve
*/
public void setCurveDepth(int depth) {
if (this.curveDepth == 0 && depth != 0 || this.curveDepth != 0 && depth == 0) {
// There is currently no curve, so we have to create
// a curved connection
graph.removeConnection(this);
this.curveDepth = depth;
this.connectionFigure = doCreateFigure();
registerConnection(sourceNode, destinationNode);
updateFigure(this.connectionFigure);
} else {
this.curveDepth = depth;
updateFigure(this.connectionFigure);
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.swt.widgets.Item#setText(java.lang.String)
*/
public void setText(String string) {
super.setText(string);
if (this.connectionFigure != null) {
updateFigure(this.connectionFigure);
}
}
/** Unhighlights this node. Uses the default color. */
public void unhighlight() {
if (!highlighted) {
return;
}
IFigure parentFigure = connectionFigure.getParent();
if (parentFigure instanceof ZestRootLayer) {
((ZestRootLayer) parentFigure).unHighlightConnection(connectionFigure);
}
highlighted = false;
updateFigure(connectionFigure);
}
/**
* Sets the connection line style.
*
* @param lineStyle
*/
public void setLineStyle(int lineStyle) {
this.lineStyle = lineStyle;
updateFigure(connectionFigure);
}
/**
* Sets the connection line width.
*
* @param lineWidth
*/
public void setLineWidth(int lineWidth) {
this.lineWidth = lineWidth;
updateFigure(connectionFigure);
}
/**
* Sets the tooltip on this node. This tooltip will display if the mouse hovers over the node.
* Setting the tooltip has no effect if a custom figure has been set.
*/
public void setTooltip(IFigure tooltip) {
hasCustomTooltip = true;
this.tooltip = tooltip;
updateFigure(connectionFigure);
}
/**
* Sets the connection color.
*
* @param color
*/
public void changeLineColor(Color color) {
this.color = color;
updateFigure(connectionFigure);
}
/**
* Returns the style of this connection. Valid styles are those that begin with CONNECTION in
* ZestStyles.
*
* @return the style of this connection.
* @see #ZestStyles
*/
public void setConnectionStyle(int style) {
this.connectionStyle = style;
updateFigure(this.connectionFigure);
}