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Author SHA1 Message Date
mfranz
238fce1d15 let initNode() initialize a property to double(0) by default 2008-06-04 20:41:44 +00:00
mfranz
8fe1cf807d add initNode() function that initializes (if necessary) and returns a property.
If the property has a valid value already, then the given value is ignored.

  var x = props.initNode("/foo", 10);
  var y = props.initNode("/bar", 1, "BOOL");
2008-05-19 15:44:23 +00:00
mfranz
a329a7ba14 - add props.nodeList() function which turns property ghosts, props.Nodes,
and path strings into a list of props.Nodes. It also digests lists of
  properties, or lists of lists of properties etc., thus allowing things
  like props.nodeList(arg), props.nodeList(n.getChildren("foo")). This is
  meant for functions like aircraft.data.add() or screen.display.add().
- remove some redundant braces
- fix comment
2008-05-15 15:17:56 +00:00
mfranz
fd20d330ba props.Node: add remove() method that removes the node it was calleed on
from its property tree. The node remains accessible as long as references
to it are kept. Example:

  var cow_chain = func {
      var cow = geo.put_model("Models/Fauna/cow.ac", geo.aircraft_position());
      settimer(func { cow.remove() }, 10);
      settimer(cow_chain, 2);
  }
  cow_chain();
2007-08-07 11:30:30 +00:00
mfranz
a9b9c86750 - add Node.getValues() in analogy to Node.setValues(). Returns a hash with
all children, vectors for multiply used names, further hashes for subtrees
  etc. Meant for quickly pulling in config branches where (almost) all values
  are needed.
- usage of "var" keyword and named parameters in other (but not all) funcs
2007-05-14 15:15:00 +00:00
mfranz
38c170baa5 props.copy: add third argument that, if set, also copies the node attributes 2007-04-04 14:44:13 +00:00
andy
3bcfb0624a Add soft-coded utilites to the "io" and "math" modules. The math
stuff is, for the most part, already available in the geo module; but
it's small and this naming matches the evolvoing "standard nasal
library".
2007-03-29 22:09:25 +00:00
mfranz
0606fa3703 make condition() slightly faster and prettier (or not) 2007-03-21 18:37:06 +00:00
mfranz
7319f5e772 better condition() comment & cosmetics 2007-03-20 16:23:23 +00:00
mfranz
5b812986fb undefined <condition>s are "true" 2007-03-19 18:17:05 +00:00
mfranz
b2f57eab81 boolify <property> result 2007-03-18 15:49:11 +00:00
mfranz
0b4e6f934e add a props.condition(property) command that evaluates a property branch
as <condition> according to the rules set out in $FG_ROOT/Docs/README.condition
2007-03-18 13:57:32 +00:00
mfranz
b07ebf0dfa work around Nasal bug (and/or operators) 2007-02-07 17:31:41 +00:00
mfranz
0f07c14bd3 getBoolValue() on an undefined node shall return "false", not "true".
This isn't only more logical, it's also how SGPropertyNode::getBoolValue()
acts. The fix has potential to break code, but so far I haven't seen any
problems. I added a debug message to my copy and will for a while check
all cases that I run into. To check yourself, just add one line:

    getBoolValue : func {
        val = me.getValue();
+       if(val == nil) { debug.dump(me) }
        if(me.getType() == "STRING" and val == "false") { 0 }
        else { val != nil and val != 0 }
    }

This will output a debug message to the terminal for each case where
formerly "true" was returned, and now "false" is.
2007-02-05 11:40:49 +00:00
mfranz
7b6205d37b add props.Node.getAttribute() and props.Node.setAttribute() methods.
Examples:
  var tied = foo.getAttribute("TIED");
  foo.setAttribute("USERARCHIVE", 1);

Both methods accept attribute strings "READ", "WRITE", "ARCHIVE",
"TRACE_READ", "TRACE_WRITE", and "USERARCHIVE". getAttribute() does
additionally accept "TIED" (although this isn't an SGPropertyNode::Attribute).
Attribute "REMOVED" is not supported.
2007-01-12 18:06:50 +00:00
mfranz
bd327892d6 let getBoolValue() actually return a bool 2006-02-20 10:59:52 +00:00
mfranz
06fa115d86 add function that recursively copies property tree branches (ignoring aliases);
reviewed and OK'ed by Andy
2005-12-16 20:25:52 +00:00
mfranz
7f25352610 add support for removeChildren(): takes one name as optional argument
and removes all children with this name; if no name is given, removes
all children
2005-10-23 16:09:51 +00:00
andy
4718f2f8f0 Fix broken getPath() method 2005-03-27 17:30:51 +00:00
andy
ca0fa1c427 Changes from Melchior to make use of the spiffy new format feature in
the text widget; and a props.getPath() method.
2005-03-26 22:15:26 +00:00
andy
54954eb8de GUI layout management and a few visual/eye-candy modifications. See
DOCS/README.layout in the base package for details, along with the
modified dialog files.
2004-05-12 15:37:17 +00:00
andy
e2cf6d90d2 New fuel management code. Only works with YASim currently. It's a benign
no-op under other FDMs.
2004-03-27 04:07:56 +00:00
andy
a67c4113e8 Temporary implementation of props.getBoolValue() which correctly
interprets the string "false".  Eventually this needs to be an
extension function wrapping SGPropertyNode::getBoolValue().
2004-01-28 03:49:59 +00:00
andy
35ec004c5f Nasal bindings for Saitek X45.
Misc. fixes to Nasal command bindings.
2003-12-23 17:31:08 +00:00
andy
b2909de010 New Nasal code, with lots of input binding handlers in controls.nas.
Move the "tip popup" code from view.nas to a new gui.nas module, and
  make it generically useful.
Wire up flap steppings for the 747 as an example of per-aircraft
  flaps.
Realtime-based property slewing, to eliminate dependence of trim and
  view direction rates on frame rate.
2003-12-22 20:05:18 +00:00
andy
3677b96fad Bugfix to globals.fgcommand().
New Node.setValues() method which sets whole property trees from Nasal
data.

A view.nas module, which takes over handling of the X/x zoom keys.  It
clamps the FOV to a dynamically calculated maximum corresponding to
typical human visual accuity, and pops up a pretty dialog informing
you of the new FOV.
2003-12-08 02:09:19 +00:00
ehofman
2c92f74b9f Fix a typo 2003-12-02 17:54:15 +00:00
ehofman
0be80148c3 Add Nasal Vs. 1.5 2003-12-01 14:36:22 +00:00