public void refreshVisuals() {
// If the text position has been changed by user update it
if (fDiagramModelConnection.getTextPosition() != fTextPosition) {
fTextPosition = fDiagramModelConnection.getTextPosition();
setLabelLocator(fTextPosition);
}
setLabelFont();
setLabelFontColor();
setLineColor();
setConnectionText();
setLineWidth();
// Set Enabled according to current Viewpoint
boolean enabled = ViewpointsManager.INSTANCE.isAllowedType(getModelConnection());
setEnabled(enabled);
if (getSourceDecoration() != null) {
getSourceDecoration().setEnabled(enabled);
}
if (getTargetDecoration() != null) {
getTargetDecoration().setEnabled(enabled);
}
getConnectionLabel().setEnabled(enabled);
}
/** Set the line color to that in the model, or failing that, as per default */
protected void setLineColor() {
String val = fDiagramModelConnection.getLineColor();
Color c = ColorFactory.get(val);
if (c != fLineColor) {
fLineColor = c;
setForegroundColor(c);
}
}
/** Set the font color to that in the model, or failing that, as per default */
protected void setLabelFontColor() {
String val = fDiagramModelConnection.getFontColor();
Color c = ColorFactory.get(val);
if (c == null) {
c = ColorConstants.black; // have to set default color otherwise it inherits line color
}
if (c != fFontColor) {
fFontColor = c;
getConnectionLabel().setForegroundColor(c);
}
}
/** Set the font in the label to that in the model, or failing that, as per user's default */
protected void setLabelFont() {
String fontName = fDiagramModelConnection.getFont();
Font font = FontFactory.get(fontName);
// Adjust for Windows DPI
if (PlatformUtils.isWindows()) {
font = FontFactory.getAdjustedWindowsFont(font);
}
getConnectionLabel().setFont(font);
}
protected void setLineWidth() {
setLineWidth(fDiagramModelConnection.getLineWidth());
}
protected void setConnectionText() {
getConnectionLabel().setText(fDiagramModelConnection.getName());
}
@Override
public boolean isConnectionVisible(EditPart editPart, IDiagramModelConnection connection) {
// This ensures that there are no dangling connections if this filter has removed an editpart
return isChildElementVisible(editPart, connection.getSource())
&& isChildElementVisible(editPart, connection.getTarget());
}