/**
* Add a new rule with its style. If the rule selector is just GRAPH, NODE, EDGE or SPRITE, the
* default corresponding rules make a copy (or augmentation) of its style. Else if an id or class
* is specified the rules are added (or changed/augmented if the id or class was already set) and
* their parent is set to the default graph, node, edge or sprite rules. If this is an event rule
* (or meta-class rule), its sibling rule (the same rule without the meta-class) is searched and
* created if not found and the event rule is added as an alternative to it.
*
* @param newRule The new rule.
*/
public void addRule(Rule newRule) {
Rule oldRule = null;
switch (newRule.selector.getType()) {
case ANY:
throw new RuntimeException(
"The ANY selector should never be used, it is created automatically.");
case GRAPH:
oldRule = graphRules.addRule(newRule);
break;
case NODE:
oldRule = nodeRules.addRule(newRule);
break;
case EDGE:
oldRule = edgeRules.addRule(newRule);
break;
case SPRITE:
oldRule = spriteRules.addRule(newRule);
break;
default:
throw new RuntimeException("Ho ho ho ?");
}
for (StyleSheetListener listener : listeners) listener.styleAdded(oldRule, newRule);
}
/** Clear all specific rules and initialise the default rules. The listeners are not changed. */
public void clear() {
graphRules.clear();
nodeRules.clear();
edgeRules.clear();
spriteRules.clear();
initRules();
for (StyleSheetListener listener : listeners) listener.styleSheetCleared();
}
/**
* Create the default rules. This method is the place to set defaults for specific element types.
* This is here that the edge width is reset to one, since the default width is larger. The
* default z index that is different for every class of element is also set here.
*/
protected void initRules() {
defaultRule = new Rule(new Selector(Selector.Type.ANY), null);
defaultRule.getStyle().setDefaults();
graphRules.defaultRule = new Rule(new Selector(Selector.Type.GRAPH), defaultRule);
nodeRules.defaultRule = new Rule(new Selector(Selector.Type.NODE), defaultRule);
edgeRules.defaultRule = new Rule(new Selector(Selector.Type.EDGE), defaultRule);
spriteRules.defaultRule = new Rule(new Selector(Selector.Type.SPRITE), defaultRule);
graphRules.defaultRule.getStyle().setValue("padding", new Values(Style.Units.PX, 30));
edgeRules.defaultRule.getStyle().setValue("shape", StyleConstants.Shape.LINE);
edgeRules.defaultRule.getStyle().setValue("size", new Values(Style.Units.PX, 1));
edgeRules.defaultRule.getStyle().setValue("z-index", new Integer(1));
nodeRules.defaultRule.getStyle().setValue("z-index", new Integer(2));
spriteRules.defaultRule.getStyle().setValue("z-index", new Integer(3));
Colors colors = new Colors();
colors.add(Color.WHITE);
graphRules.defaultRule.getStyle().setValue("fill-color", colors);
graphRules.defaultRule.getStyle().setValue("stroke-mode", StrokeMode.NONE);
for (StyleSheetListener listener : listeners) {
listener.styleAdded(defaultRule, defaultRule);
listener.styleAdded(graphRules.defaultRule, graphRules.defaultRule);
listener.styleAdded(nodeRules.defaultRule, nodeRules.defaultRule);
listener.styleAdded(edgeRules.defaultRule, edgeRules.defaultRule);
listener.styleAdded(spriteRules.defaultRule, spriteRules.defaultRule);
}
// for( StyleSheetListener listener: listeners )
// listener.styleAdded( defaultRule, defaultRule );
// for( StyleSheetListener listener: listeners )
// listener.styleAdded( graphRules.defaultRule, graphRules.defaultRule
// );
// for( StyleSheetListener listener: listeners )
// listener.styleAdded( nodeRules.defaultRule, nodeRules.defaultRule );
// for( StyleSheetListener listener: listeners )
// listener.styleAdded( edgeRules.defaultRule, edgeRules.defaultRule );
// for( StyleSheetListener listener: listeners )
// listener.styleAdded( spriteRules.defaultRule, spriteRules.defaultRule
// );
}