static {
String[] p = new String[] {
- "sizetoimage", "shrink", "hshrink", "vshrink", "x", "y", "width", "height",
- "flex", "hflex", "vflex", /*"cols", "rows",*/ "align", "invisible", "absolute", "globalx", "globaly",
- "minwidth", "minheight", "height", "width", "maxwidth", "maxheight",
- "numchildren", "hpad", "vpad", "doublebuffered", "cursor",
- "mousex", "mousey", "xwt", "static", "mouseinside", "root", "thisbox", "indexof", "svg"
+ "shrink", "hshrink", "vshrink", "x", "y",
+ "width", "height", "flex", "colspan", "rowspan", "cols",
+ "rows", "align", "invisible", "absolute", "globalx",
+ "globaly", "minwidth", "minheight", "height", "width",
+ "maxwidth", "maxheight", "numchildren", "hpad", "vpad",
+ "buffered", "cursor", "mousex", "mousey",
+ "mouseinside", "thisbox", "indexof", "path", "font", "fontsize"
};
for(int i=0; i<p.length; i++) PROHIBITED.put(p[i], Boolean.TRUE);
};
* @param f the function to place as a trap
*/
static void addTrap(Box trapee, Object name, JS.CompiledFunction f) {
- if (trapee.traps == null) trapee.traps = new Hash(10, 3);
// check if this script has already placed a trap on this property
- for(Trap t = (Trap)trapee.traps.get(name); t != null; t = t.next)
+ for(Trap t = (Trap)trapee.get(name, Trap.class); t != null; t = t.next)
if (t.f == f) return;
// actually place the trap
Trap t = new Trap();
- t.next = (Trap)trapee.traps.get(name);
- trapee.traps.put(name, t);
+ t.next = (Trap)trapee.get(name, Trap.class);
+ trapee.put(name, Trap.class, t);
t.trapee = trapee;
t.name = name;
t.f = f;
* @param f the function to remove
*/
static void delTrap(Box trapee, Object name, JS.CompiledFunction f) {
- if (trapee.traps != null) {
- Trap t = (Trap)trapee.traps.get(name);
- if (t.f == f) {
- trapee.traps.put(name, t.next);
+ Trap t = (Trap)trapee.get(name, Trap.class);
+ if (t.f == f) {
+ trapee.put(name, Trap.class, t.next);
+ return;
+ }
+ for(; t.next != null; t = t.next)
+ if (t.next.f == f) {
+ t.next = t.next.next;
return;
}
- for(; t.next != null; t = t.next)
- if (t.next.f == f) {
- t.next = t.next.next;
- return;
- }
- }
Log.logJS("warning: tried to remove a trap that had not been placed");
}
private Trap() { }
- /** the empty object, used for get-traps */
- public static JS.Array emptyargs = new JS.Array();
-
public Object perform() throws JS.Exn {
- if (f.getNumFormalArgs() > 0) return cascade();
- return f.call(new TrapArgs(this));
+ try {
+ if (f.getNumFormalArgs() > 0) return cascade();
+ return f.call(new TrapArgs(this));
+ } catch (Exception e) {
+ Log.log(this, "Exception thrown from within trap: " + e);
+ return null;
+ }
}
public void perform(Object val) throws JS.Exn {
- if (f.getNumFormalArgs()== 0) cascade(val);
- f.call(new TrapArgs(this, val));
+ try {
+ if (f.getNumFormalArgs() == 0) cascade(val);
+ TrapArgs ta = new TrapArgs(this, val);
+ Object ret = f.call(ta);
+ if (ret != Boolean.FALSE && !ta.cascadeHappened) cascade(val);
+ } catch (Exception e) {
+ Log.log(this, "Exception thrown from within trap: " + e);
+ }
}
public Object cascade() {
private static class TrapArgs extends JS.Array {
private Trap t;
+ public boolean cascadeHappened = false;
public TrapArgs(Trap t) { this.t = t; }
public TrapArgs(Trap t, Object value) { this.t = t; addElement(value); }
public void put(Object key, Object val) {
- if (key.equals("cascade")) t.cascade(val);
+ if (key.equals("cascade")) { cascadeHappened = true; t.cascade(val); }
else super.put(key, val);
}