nimbusstyle.java

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                // to, so that if the UIDefaults are updated, then the
                // precompiled defaults will be cleared from the app context
                // and recomputed on subsequent passes
                UIManager.getDefaults().addPropertyChangeListener(pcl);
                UIManager.getLookAndFeelDefaults().addPropertyChangeListener(pcl);
                // save the PCL to the app context as a marker indicating
                // that the PCL has been registered so we don't end up adding
                // more than one listener to the UIDefaults tables.
                ctx.put("NimbusStyle.defaults.pcl", pcl);
            }
            
            // store the defaults for reuse
            ctx.put("NimbusStyle.defaults", compiledDefaults);
        }
        
        TreeMap<String, Object> defaults = compiledDefaults.get(prefix);
        
        // inspect the client properties for the key "Nimbus.Overrides". If the
        // value is an instance of UIDefaults, then these defaults are used
        // in place of, or in addition to, the defaults in UIManager.
        if (component != null) {
            Object o = component.getClientProperty("Nimbus.Overrides");
            if (o instanceof UIDefaults) {
                Object i = component.getClientProperty(
                        "Nimbus.Overrides.InheritDefaults");
                boolean inherit = i instanceof Boolean ? (Boolean)i : true;
                UIDefaults d = (UIDefaults)o;
                TreeMap<String, Object> map = new TreeMap<String, Object>();
                for (Object obj : d.keySet()) {
                    if (obj instanceof String) {
                        String key = (String)obj;
                        if (key.startsWith(prefix)) {
                            map.put(key, d.get(key));
                        }
                    }
                }
                if (inherit) {
                    defaults.putAll(map);
                } else {
                    defaults = map;
                }
            }
        }
        
        // Now that I've accumulated all the defaults pertaining to this
        // style, call init which will read these defaults and configure
        // the default "values".
        init(values, defaults);
    }

    /**
     * Iterates over all the keys in the specified UIDefaults and compiles
     * those keys into the comiledDefaults data structure. It relies on
     * parsing the "prefix" out of the key. If the key is not a String or is
     * null then it is ignored. In all other cases a prefix is parsed out
     * (even if that prefix is the empty String or is a "fake" prefix. That
     * is, suppose you had a key Foo~~MySpecial.KeyThing~~. In this case this
     * is not a Nimbus formatted key, but we don't care, we treat it as if it
     * is. This doesn't pose any harm, it will simply never be used).
     * 
     * @param compiledDefaults
     * @param d
     */
    private void compileDefaults(
            Map<String, TreeMap<String,Object>> compiledDefaults,
            UIDefaults d) {
        for (Object obj : new HashSet(d.keySet())) {
            if (obj instanceof String) {
                String key = (String)obj;
                String kp = parsePrefix(key);
                if (kp == null) continue;
                TreeMap<String,Object> map = compiledDefaults.get(kp);
                if (map == null) {
                    map = new TreeMap<String,Object>();
                    compiledDefaults.put(kp, map);
                }
                map.put(key, d.get(key));
            }
        }
    }

    /**
     * Initializes the given <code>Values</code> object with the defaults
     * contained in the given TreeMap.
     * 
     * @param v The Values object to be initialized
     * @param myDefaults a map of UIDefaults to use in initializing the Values.
     *        This map must contain only keys associated with this Style.
     */
    private void init(Values v, TreeMap<String, Object> myDefaults) {
        //a list of the different types of states used by this style. This
        //list may contain only "standard" states (those defined by Synth),
        //or it may contain custom states, or it may contain only "standard"
        //states but list them in a non-standard order.
        List<State> states = new ArrayList<State>();
        //a map of state name to code
        Map<String,Integer> stateCodes = new HashMap<String,Integer>();
        //This is a list of runtime "state" context objects. These contain
        //the values associated with each state.
        List<RuntimeState> runtimeStates = new ArrayList<RuntimeState>();
        
        //determine whether there are any custom states, or custom state
        //order. If so, then read all those custom states and define the
        //"values" stateTypes to be a non-null array.
        //Otherwise, let the "values" stateTypes be null to indicate that
        //there are no custom states or custom state ordering
        String statesString = (String)myDefaults.get(prefix + ".States");
        if (statesString != null) {
            String s[] = statesString.split(",");
            for (int i=0; i<s.length; i++) {
                s[i] = s[i].trim();
                if (!State.isStandardStateName(s[i])) {
                    //this is a non-standard state name, so look for the
                    //custom state associated with it
                    String stateName = prefix + "." + s[i];
                    State customState = (State)myDefaults.get(stateName);
                    if (customState != null) {
                        states.add(customState);
                    }
                } else {
                    states.add(State.getStandardState(s[i]));
                }
            }
            
            //if there were any states defined, then set the stateTypes array
            //to be non-null. Otherwise, leave it null (meaning, use the
            //standard synth states).
            if (states.size() > 0) {
                v.stateTypes = states.toArray(new State[states.size()]);
            }
            
            //assign codes for each of the state types
            int code = 1;
            for (State state : states) {
                stateCodes.put(state.getName(), code);
                code <<= 1;
            }
        } else {
            //since there were no custom states defined, setup the list of
            //standard synth states. Note that the "v.stateTypes" is not
            //being set here, indicating that at runtime the state selection
            //routines should use standard synth states instead of custom
            //states. I do need to popuplate this temp list now though, so that
            //the remainder of this method will function as expected.
            states.add(State.Enabled);
            states.add(State.MouseOver);
            states.add(State.Pressed);
            states.add(State.Disabled);
            states.add(State.Focused);
            states.add(State.Selected);
            states.add(State.Default);
            
            //assign codes for the states
            stateCodes.put("Enabled", ENABLED);
            stateCodes.put("MouseOver", MOUSE_OVER);
            stateCodes.put("Pressed", PRESSED);
            stateCodes.put("Disabled", DISABLED);
            stateCodes.put("Focused", FOCUSED);
            stateCodes.put("Selected", SELECTED);
            stateCodes.put("Default", DEFAULT);
        }
        
        //Now iterate over all the keys in the defaults table
        for (String key : myDefaults.keySet()) {
            //The key is something like JButton.Enabled.backgroundPainter,
            //or JButton.States, or JButton.background.
            //Remove the "JButton." portion of the key
            String temp = key.substring(prefix.length());
            //if there is a " or : then we skip it because it is a subregion
            //of some kind
            if (temp.indexOf('"') != -1 || temp.indexOf(':') != -1) continue;
            //remove the separator
            temp = temp.substring(1);
            //At this point, temp may be any of the following:
            //background
            //[Enabled].background
            //[Enabled+MouseOver].background
            //property.foo
            
            //parse out the states and the property
            String stateString = null;
            String property = null;
            int bracketIndex = temp.indexOf(']');
            if (bracketIndex < 0) {
                //there is not a state string, so property = temp
                property = temp;
            } else {
                stateString = temp.substring(0, bracketIndex);
                property = temp.substring(bracketIndex + 2);
            }

            //now that I have the state (if any) and the property, get the
            //value for this property and install it where it belongs
            if (stateString == null) {
                //there was no state, just a property. Check for the custom
                //"contentMargins" property (which is handled specially by
                //Synth/Nimbus). Also check for the property being "States",
                //in which case it is not a real property and should be ignored.
                //otherwise, assume it is a property and install it on the
                //values object
                if ("contentMargins".equals(property)) {
                    v.contentMargins = (Insets)myDefaults.get(key);
                } else if ("States".equals(property)) {
                    //ignore
                } else {
                    v.defaults.put(property, myDefaults.get(key));
                }
            } else {
                //it is possible that the developer has a malformed UIDefaults
                //entry, such that something was specified in the place of
                //the State portion of the key but it wasn't a state. In this
                //case, skip will be set to true
                boolean skip = false;
                //this variable keeps track of the int value associated with
                //the state. See SynthState for details.
                int componentState = 0;
                //Multiple states may be specified in the string, such as
                //Enabled+MouseOver
                String[] stateParts = stateString.split("\\+");
                //For each state, we need to find the State object associated
                //with it, or skip it if it cannot be found.
                for (String s : stateParts) {
                    if (stateCodes.containsKey(s)) {
                        componentState |= stateCodes.get(s);
                    } else {
                        //Was not a state. Maybe it was a subregion or something
                        //skip it.
                        skip = true;
                        break;
                    }
                }
                
                if (skip) continue;
                
                //find the RuntimeState for this State
                RuntimeState rs = null;
                for (RuntimeState s : runtimeStates) {
                    if (s.state == componentState) {
                        rs = s;
                        break;
                    }
                }
                
                //couldn't find the runtime state, so create a new one
                if (rs == null) {
                    rs = new RuntimeState(componentState, stateString);
                    runtimeStates.add(rs);
                }
                
                //check for a couple special properties, such as for the
                //painters. If these are found, then set the specially on
                //the runtime state. Else, it is just a normal property,
                //so put it in the UIDefaults associated with that runtime
                //state
                if ("backgroundPainter".equals(property)) {
                    rs.backgroundPainter = (Painter)myDefaults.get(key);
                } else if ("foregroundPainter".equals(property)) {
                    rs.foregroundPainter = (Painter) myDefaults.get(key);
                } else if ("borderPainter".equals(property)) {
                    rs.borderPainter = (Painter) myDefaults.get(key);
                } else {
                    rs.defaults.put(property, myDefaults.get(key));
                }
            }
        }

        //now that I've collected all the runtime states, I'll sort them based
        //on their integer "state" (see SynthState for how this works).
        Collections.sort(runtimeStates, STATE_COMPARATOR);
        
        //finally, set the array of runtime states on the values object
        v.states = runtimeStates.toArray(new RuntimeState[runtimeStates.size()]);
    }
    
    /**
     * @InheritDoc
     *
     * Overridden to cause this style to populate itself with data from
     * UIDefaults, if necessary.
     */
    @Override public Insets getInsets(SynthContext ctx, Insets in) {
        if (in == null) {
            in = new Insets(0, 0, 0, 0);
        }

        Values v = getValues(ctx);
        
        if (v.contentMargins == null) {
            in.bottom = in.top = in.left = in.right = 0;
            return in;
        } else {
            in.bottom = v.contentMargins.bottom;
            in.top = v.contentMargins.top;
            in.left = v.contentMargins.left;
            in.right = v.contentMargins.right;
            // Account for scale
            // The key "JComponent.sizeVariant" is used to match Apple's LAF
            String scaleKey = (String)ctx.getComponent().getClientProperty(
                    "JComponent.sizeVariant");
            if (scaleKey != null){
                if (LARGE_KEY.equals(scaleKey)){
                    in.bottom *= LARGE_SCALE;
                    in.top *= LARGE_SCALE;
                    in.left *= LARGE_SCALE;
                    in.right *= LARGE_SCALE;
                } else if (SMALL_KEY.equals(scaleKey)){
                    in.bottom *= SMALL_SCALE;
                    in.top *= SMALL_SCALE;
                    in.left *= SMALL_SCALE;
                    in.right *= SMALL_SCALE;
                } else if (MINI_KEY.equals(scaleKey)){