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webform.py
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webform.py
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# -*- coding: utf-8 -*-
'render facer-API as HTML page with form-per-method'
#TODO abandon textual html, use some of dirty or forgetHTML, or some else
from facer import url_doco, Types
from cgi import escape
js2remove_empty_form_fields = '''
<script language="javascript">
function valform( aform) {
var i,e;
for (i=aform.elements.length; i--; ) {
e = aform.elements[i];
e.disabled = (e.value=='');
}
}
function subform( aform) {
valform( aform);
aform.submit();
var i;
for (i=aform.elements.length; i--; )
aform.elements[i].disabled=false;
}
</script>
'''
nbsp = ' '
def form( decl, root ='', target ='out', textedit_size =18, remove_empty_form_fields =True,
hidden_fields ={}, errors= None, endslash =False, with_doc =False):
returns = decl._returns and escape( str( decl._returns))
inputs = decl.sorted_inputs()
#errors = errors.get( decl.name) if errors else None
errors = decl._errors
if 0:
import dirty.html as h
import dirty
''' -way for element.children.append/extend - e.g. +=... or (...)
-list of sublists
'''
hbr = h.br()
hsp = dirty.RawString( nbsp )
br = len(inputs)>1 and hbr or None
f = h.form( dict( target=target, action= root+decl.name),
h.input( type='submit', value=decl.name), ' returns: '+str( decl._returns),
h.input( type='hidden', name='dbg', value=1),
)
for name,type in decl.sorted_inputs():
f.children += [ br, hsp, hsp,
name+'=', h.input( name=name, value='', size=textedit_size),
h.font( str(type), size=-2),
]
return str(f)
if 0:
import forgetHTML as h
sendbutton = remove_empty_form_fields and '''
<input type=button value="{decl.name}" onclick="subform( document.forms.{decl.name} )">
''' or '''
<input type=submit value="{decl.name}">
'''
for name,type in inputs:
if type.type.type is list:
method = 'POST'
break
else:
method = 'GET'
endslash = endslash and '/' or ''
r = '''
<form name={decl.name} target={target} method="{method}" action="{root}{decl.name}{endslash}" >
<table width=100% border=0 cellspacing=0><tr><td width=30%>
''' + sendbutton
if returns: r += '''
<br><b> returns:</b> {returns}'''
if errors:
#error: DictAttr( err= err(), message, noerror= optional why
#err: DictAttr( doc, ..)
for etitle, errs in [
[ 'errors', [ e.message or e.err.doc
for e in errors if not e.get('noerror') ]],
[ 'noerrors', [ (e.message or e.err.doc) +': ' + e.noerror
for e in errors if e.get('noerror') ]]
]:
if errs:
r += ''.join( '<br>'+e
for e in [ '<b> '+etitle+':</b>'
] + [ '-'+escape( e) for e in errs
] )
r = r.format( **locals())
r += '\n<td>\n'
if with_doc and decl.doc: r += '<i> '+escape( decl._doc )+'</i><br>\n'
r += '\n'.join(
'<input type=hidden name='+k+' value='+str(v)+'>'
for k,v in hidden_fields.items()
)
ri = []
for name,type in inputs:
i = name+ '= '
choices = getattr( type.type, 'choices', None)
if choices: choices = choices()
if choices is not None: #isinstance( type.type, Types.enum):
fdheight = 0
i += '<select name="' +name+'" '
if fdheight: i += ' size='+str(fdheight)
i += '>'
for k in sorted( choices ):
i += '\n <option'
if k == type.default_value: i+= ' selected'
#value=
i+='> '+k+'</option>'
i += '\n</select>'
else:
i += '<input name="' +name+ '" '
if type.type.type is bool:
i += 'type=checkbox value=1>'
else:
i += 'value="" size='+str(textedit_size)+'>'
ri.append( i + ' ' + escape( str(type) ) )
return r + '\n<br> '.join( ri) + '''
</table>
</form>'''
def ahref( url, txt =None, target ='', button= False, root =''):
txt = escape( txt or url)
if target: target= 'target='+target
if button: h= '<form action="{root}{url}" {target}> <input type=submit value="{txt}"> </form>'
else: h= '<a href="{root}{url}" {target}> {txt}</a>'
return h.format( **locals())
def button( *a,**k): return ahref( button=True, *a,**k)
# <meta http-equiv="pragma" content="no-cache">
# <meta http-equiv="expires" content="-1">
def html( iface, title ='simulator', help ='', root ='',
target ='out',
remove_empty_form_fields =True,
sorter =lambda x: x,
**kargs ):
base = root
r = ('''\
<html><head>
<title> {title} </title>
''' + (base and '<base href="{base}" target="{target}" >' or '')).format( **locals()) + '''
<style TYPE='text/css'><!--
* { font-size:small }
form { margin:0 }
hr { margin:1px }
--></style>
''' + (remove_empty_form_fields and js2remove_empty_form_fields or '') + '''
</head>
<body>
<table width=100% height=95% border=0 cellspacing=0><tr><td width=50%>
<div style="overflow:auto; height:100%;">
''' + '\n<hr>'.join(
form( what.decl, target= target, remove_empty_form_fields=remove_empty_form_fields, **kargs)
for what in sorter( iface.methods_walk_instance( iface))
) + '''
</div>
<td height=100%> <iframe name=out width=100% height=100%> no-iframe? </iframe>
</table>
'''
if help: r += '<hr>' + '\n<br>'.join( help.strip().split('\n'))
urls = [ escape( x) for x in url_doco( iface, sepattrs=' ; ') ]
return r + '''
<hr>
<b>Valid URLs</b>:<br>
''' + '\n<br>'.join( urls)
#''' + '\n '.join( ahref( n,u) for n,u in buttonsurl) + '''
if __name__ == '__main__':
from svd_util import optz
optz.str( 'root', help= 'root/base url')
optz.str( 'title', )
optz.bool( 'dont_remove_empty_form_fields', )
optz,args = optz.get()
#from simu import simu as f
from face__io import IO as f
print html( f, **dict( (k,v) for k,v in optz.__dict__.items() if v))
# vim:ts=4:sw=4:expandtab