Hi,
Long story, but the short summary is that a change request is created
that adds
<property name="_highlightColor"
class="ptolemy.actor.gui.ColorAttribute" value="{1.0,0.0,0.0,1.0}">
</property>
to model in a non-persistent manner.
Try searching for _hightlightColor in the kepler/ptolemy directory.
ptolemy/vergil/basic/BasicGraphController.java has this method, which is
probably what does the highlighting:
/** Highlight the specified object and all its containers to
* indicate that it is the source of an error.
* @param culprit The culprit.
*/
public void highlightError(final Nameable culprit) {
if (culprit instanceof NamedObj) {
ChangeRequest request = new ChangeRequest(this, "Error
Highlighter") {
@Override
protected void _execute() throws Exception {
_addErrorHighlightIfNeeded(culprit);
NamedObj container = culprit.getContainer();
while (container != null) {
_addErrorHighlightIfNeeded(container);
container = container.getContainer();
}
}
};
request.setPersistent(false);
((NamedObj) culprit).requestChange(request);
}
}
The above method creates a change request and executes it. The body of
the change request invokes this method:
/** Add an error highlight color to the specified culprit if it is
* not already present.
* @param culprit The culprit to highlight.
* @exception IllegalActionException If the highlight cannot be
added.
* @exception NameDuplicationException Should not be thrown.
*/
private void _addErrorHighlightIfNeeded(Nameable culprit)
throws IllegalActionException, NameDuplicationException {
Attribute highlightColor = ((NamedObj) culprit)
.getAttribute("_highlightColor");
if (highlightColor == null) {
highlightColor = new ColorAttribute((NamedObj) culprit,
"_highlightColor");
((ColorAttribute) highlightColor)
.setExpression("{1.0, 0.0, 0.0, 1.0}");
highlightColor.setPersistent(false);
((ColorAttribute)
highlightColor).setVisibility(Settable.EXPERT);
_errorHighlights.add(highlightColor);
}
}
See also ptolemy/vergil/basic/DependencyHighlighter.java for code that
does highlighting.
_Christopher
On 11/5/14 12:30 AM, 陈军 wrote:
Hi,
I want to mark actors with custom colours.
Entities in a workflow will be encircled with red colour when errors
occur.
So I construct a bad workflow and run in debug mode trying to see how
actors are rendered red. But I still can not figure out it.
Can anyone give some advice?
Thanks
--
陈军
School of Computer Science , Fudan University
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--
Christopher Brooks, PMP University of California
Academic Program Manager & Software Engineer US Mail: 337 Cory Hall
CHESS/iCyPhy/Ptolemy/TerraSwarm Berkeley, CA 94720-1774
[email protected], 707.332.0670 (Office: 545Q Cory)
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