beremiz

SVGHMI: detachable and discardable elements sets, Reworked geometric intersection, toward more accurate page content detection.
svghmi
2020-02-28, Edouard Tisserant
eee5dcd9fc92
SVGHMI: detachable and discardable elements sets, Reworked geometric intersection, toward more accurate page content detection.

Moved page's widget/element dependency crawling functions so that it is possible to compute a global detachable and discardable elements sets.
Reworked geometric intersection detection logic to distinguish ovelapping and inclusion.
Goal is to include englobing and overlapping graphical elements, but not groups (would then include everything around...). Intermediate commit, to be continued.
function pyjs_extend(klass, base) {
function klass_object_inherit() {}
klass_object_inherit.prototype = base.prototype;
klass_object = new klass_object_inherit();
for (var i in base.prototype.__class__) {
v = base.prototype.__class__[i];
if (typeof v == "function" && (v.class_method || v.static_method || v.unbound_method))
{
klass_object[i] = v;
}
}
function klass_inherit() {}
klass_inherit.prototype = klass_object;
klass.prototype = new klass_inherit();
klass_object.constructor = klass;
klass.prototype.__class__ = klass_object;
for (var i in base.prototype) {
v = base.prototype[i];
if (typeof v == "function" && v.instance_method)
{
klass.prototype[i] = v;
}
}
}
/* creates a class, derived from bases, with methods and variables */
function pyjs_type(clsname, bases, methods)
{
var fn_cls = function() {};
fn_cls.__name__ = clsname;
var fn = function() {
var instance = new fn_cls();
if(instance.__init__) instance.__init__.apply(instance, arguments);
return instance;
}
fn_cls.__initialize__ = function() {
if (fn_cls.__was_initialized__) return;
fn_cls.__was_initialized__ = true;
fn_cls.__extend_baseclasses();
fn_cls.prototype.__class__.__new__ = fn;
fn_cls.prototype.__class__.__name__ = clsname;
}
fn_cls.__extend_baseclasses = function() {
var bi;
for (bi in fn_cls.__baseclasses)
{
var b = fn_cls.__baseclasses[bi];
if (b.__was_initialized__)
{
continue;
}
b.__initialize__();
}
for (bi in fn_cls.__baseclasses)
{
var b = fn_cls.__baseclasses[bi];
pyjs_extend(fn_cls, b);
}
}
if (!bases) {
bases = [pyjslib.__Object];
}
fn_cls.__baseclasses = bases;
fn_cls.__initialize__();
for (k in methods) {
var mth = methods[k];
var mtype = typeof mth;
if (mtype == "function" ) {
fn_cls.prototype[k] = mth;
fn_cls.prototype.__class__[k] = function () {
return fn_cls.prototype[k].call.apply(
fn_cls.prototype[k], arguments);
};
fn_cls.prototype.__class__[k].unbound_method = true;
fn_cls.prototype.instance_method = true;
fn_cls.prototype.__class__[k].__name__ = k;
fn_cls.prototype[k].__name__ = k;
} else {
fn_cls.prototype.__class__[k] = mth;
}
}
return fn;
}
function pyjs_kwargs_call(obj, func, star_args, args)
{
var call_args;
if (star_args)
{
if (!pyjslib.isIteratable(star_args))
{
throw (pyjslib.TypeError(func.__name__ + "() arguments after * must be a sequence" + pyjslib.repr(star_args)));
}
call_args = Array();
var __i = star_args.__iter__();
var i = 0;
try {
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call_args[i]=__i.next();
i++;
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} catch (e) {
if (e != pyjslib.StopIteration) {
throw e;
}
}
if (args)
{
var n = star_args.length;
for (var i=0; i < args.length; i++) {
call_args[n+i]=args[i];
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}
else
{
call_args = args;
}
return func.apply(obj, call_args);
}
function pyjs_kwargs_function_call(func, star_args, args)
{
return pyjs_kwargs_call(null, func, star_args, args);
}
function pyjs_kwargs_method_call(obj, method_name, star_args, args)
{
var method = obj[method_name];
if (method.parse_kwargs)
{
args = method.parse_kwargs.apply(null, args);
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return pyjs_kwargs_call(obj, method, star_args, args);
}
//String.prototype.__getitem__ = String.prototype.charAt;
//String.prototype.upper = String.prototype.toUpperCase;
//String.prototype.lower = String.prototype.toLowerCase;
//String.prototype.find=pyjslib.String_find;
//String.prototype.join=pyjslib.String_join;
//String.prototype.isdigit=pyjslib.String_isdigit;
//String.prototype.__iter__=pyjslib.String___iter__;
//
//String.prototype.__replace=String.prototype.replace;
//String.prototype.replace=pyjslib.String_replace;
//
//String.prototype.split=pyjslib.String_split;
//String.prototype.strip=pyjslib.String_strip;
//String.prototype.lstrip=pyjslib.String_lstrip;
//String.prototype.rstrip=pyjslib.String_rstrip;
//String.prototype.startswith=pyjslib.String_startswith;
var str = String;