/**
* Draw the caption of this association
*
* @param f The font to use
* @param fc The font color to draw with
* @param fheight The height of the font
*/
private void drawCaption(Font f, Color fc, long fheight) {
long w;
double vx, vy, len;
// Remove old text glyphs
if (gName != null) owner.getActiveDisplay().getVirtualSpace().destroyGlyph(gName);
if (rect != null) owner.getActiveDisplay().getVirtualSpace().destroyGlyph(rect);
gName = new VText(caption);
gName.setSpecialFont(f);
gName.setColor(fc);
w = owner.getActiveDisplay().getFontWidth(f, caption);
// Compute Vector
vx =
((ConnectionPoint) line.getPoints().get(1)).getX()
- ((ConnectionPoint) line.getPoints().get(0)).getX();
vy =
((ConnectionPoint) line.getPoints().get(1)).getY()
- ((ConnectionPoint) line.getPoints().get(0)).getY();
// Compute length of Vector
len = Math.sqrt(vx * vx + vy * vy);
// Normalize Vector
vx = vx / len;
vy = vy / len;
// For the beginning of the Line
// if (line != null) gName.moveTo(x
// + Math.round(Math.round(vx * xoff + px * 20 - w / 2)), y
// + Math.round(Math.round(vy * 40 + py * 20 - fheight / 2)));
if (line != null) {
gName.moveTo(line.getMiddle().x - w / 2, line.getMiddle().y);
// Draw underlying rectangle
rect =
new VRectangleST(
line.getMiddle().x, Math.round(line.getMiddle().y + 8), 0, w / 2, 12, Color.WHITE);
rect.setPaintBorder(false);
rect.setTransparencyValue((float) 0.6);
owner
.getActiveDisplay()
.getVirtualSpaceManager()
.addGlyph(rect, owner.getActiveDisplay().getVirtualSpace());
}
owner
.getActiveDisplay()
.getVirtualSpaceManager()
.addGlyph(gName, owner.getActiveDisplay().getVirtualSpace());
}
/**
* (non-Javadoc)
*
* @see fuml.graphic.model.abstraction.AbstractModelElement#show()
*/
public void show() {
super.show();
line.show();
if (gName != null) gName.setVisible(true);
}
/**
* (non-Javadoc)
*
* @see fuml.graphic.model.abstraction.AbstractModelElement#hide()
*/
public void hide() {
super.hide();
line.hide();
if (gName != null) gName.setVisible(false);
}