/**
* @param source
* @param target
*/
public static void copyAttributes(Element source, Element target) {
for (String key : source.getAttributeKeySet()) {
Object value = source.getAttribute(key);
value = checkedArrayOrCollectionCopy(value);
target.setAttribute(key, value);
}
}
protected void removeElementFromReverseSearch(Element element) {
if (element instanceof Node) {
byNodeIdGroups.remove(element.getId());
} else if (element instanceof Edge) {
byEdgeIdGroups.remove(element.getId());
} else if (element instanceof GraphicSprite) {
bySpriteIdGroups.remove(element.getId());
} else if (element instanceof Graph) {
byGraphIdGroups.remove(element.getId());
} else {
throw new RuntimeException("What ?");
}
}
protected void addElementToReverseSearch(Element element, String groupId) {
if (element instanceof Node) {
byNodeIdGroups.put(element.getId(), groupId);
} else if (element instanceof Edge) {
byEdgeIdGroups.put(element.getId(), groupId);
} else if (element instanceof GraphicSprite) {
bySpriteIdGroups.put(element.getId(), groupId);
} else if (element instanceof Graph) {
byGraphIdGroups.put(element.getId(), groupId);
} else {
throw new RuntimeException("What ?");
}
}
/**
* Retrieve the group identifier of an element knowing the element identifier.
*
* @param element The element to search for.
* @return Identifier of the group containing the element.
*/
public String getElementGroup(Element element) {
if (element instanceof Node) {
return byNodeIdGroups.get(element.getId());
} else if (element instanceof Edge) {
return byEdgeIdGroups.get(element.getId());
} else if (element instanceof GraphicSprite) {
return bySpriteIdGroups.get(element.getId());
} else if (element instanceof Graph) {
return byGraphIdGroups.get(element.getId());
} else {
throw new RuntimeException("What ?");
}
}
/**
* Search if the given element has classes attributes and fill the given array with the set of
* rules that match these classes.
*
* @param element The element for which classes must be found.
* @param rules The rule array to fill.
*/
protected void getClassRules(Element element, ArrayList<Rule> rules) {
Object o = element.getAttribute("ui.class");
if (o != null) {
if (o instanceof Object[]) {
for (Object s : (Object[]) o) {
if (s instanceof CharSequence) {
Rule rule = byClass.get((CharSequence) s);
if (rule != null) rules.add(rule);
}
}
} else if (o instanceof CharSequence) {
String classList = ((CharSequence) o).toString().trim();
String[] classes = classList.split("\\s*,\\s*");
for (String c : classes) {
Rule rule = byClass.get(c);
if (rule != null) rules.add(rule);
}
} else {
throw new RuntimeException("Oups ! class attribute is of type " + o.getClass().getName());
}
}
}
/**
* Get the rules that match a given element. The rules are returned in a given order. The array
* always contain the "main" rule that matches the element. This rule is either a default rule
* for the kind of element given or the rule that matches its identifier if there is one. Then
* class rules the element has can be appended to this array in order.
*
* @return an array of rules that match the element, with the main rule at index 0.
*/
protected ArrayList<Rule> getRulesFor(Element element) {
Rule rule = byId.get(element.getId());
ArrayList<Rule> rules = new ArrayList<Rule>();
if (rule != null) rules.add(rule);
else rules.add(defaultRule);
getClassRules(element, rules);
if (rules.isEmpty()) rules.add(defaultRule);
return rules;
}
public boolean isAvailable(Element e) {
if (e instanceof Edge) return e.getId().matches(edgePattern);
return e.getId().matches(nodePattern);
}