Initial revision
diff --git a/Demo/cwilib/cwilib.py b/Demo/cwilib/cwilib.py
new file mode 100755
index 0000000..25e0622
--- /dev/null
+++ b/Demo/cwilib/cwilib.py
@@ -0,0 +1,226 @@
+# Interface to the interactive CWI library catalog.
+
+import sys
+import stdwin
+from stdwinevents import *
+import select
+import telnetlib
+import vt100win
+from form import Form
+
+
+# Main program
+
+def main():
+ vt = vt100win.VT100win()
+ #
+ host = 'biefstuk.cwi.nl'
+ port = 0
+ timeout = 10.0
+ tn = telnetlib.Telnet(host, port)
+ tn.set_timeout(timeout)
+ #
+ try:
+ vt.send(tn.read_until('login: '))
+ tn.write('cwilib\r')
+ #
+ vt.send(tn.read_until('Hit <RETURN> to continue...'))
+ tn.write('\r')
+ #
+ vt.send(tn.read_until('QUIT'))
+ except EOFError:
+ sys.stderr.write('Connection closed prematurely\n')
+ sys.exit(1)
+ #
+ define_screens(vt)
+ matches = vt.which_screens()
+ if 'menu' not in matches:
+ sys.stderr.write('No main menu within %g seconds\n' % timeout)
+ sys.exit(1)
+ #
+ tn.set_timeout(0)
+ tn.write('\r\r')
+ vt.open('Progress -- CWI Library')
+ ui = UserInterface()
+ #
+ while 1:
+ event = stdwin.pollevent()
+ if not event:
+ rfd, wfd, xfd = select.select([stdwin, tn], [], [])
+ if stdwin in rfd:
+ event = stdwin.getevent()
+ if event:
+ type, window, detail = event
+ if window == None and type == WE_LOST_SEL:
+ window = ui.queryform.window
+ event = type, window, detail
+ if type == WE_CLOSE:
+ break
+ if window in ui.windows:
+ ui.dispatch(type, window, detail)
+ elif window == vt.window:
+ if type == WE_NULL:
+ pass
+ elif type == WE_COMMAND:
+ if detail == WC_RETURN:
+ tn.write('\r')
+ elif detail == WC_BACKSPACE:
+ tn.write('\b')
+ elif detail == WC_TAB:
+ tn.write('\t')
+ elif detail == WC_UP:
+ tn.write('\033[A')
+ elif detail == WC_DOWN:
+ tn.write('\033[B')
+ elif detail == WC_RIGHT:
+ tn.write('\033[C')
+ elif detail == WC_LEFT:
+ tn.write('\033[D')
+ else:
+ print '*** Command:', detail
+ elif type == WE_CHAR:
+ tn.write(detail)
+ elif type == WE_DRAW:
+ vt.draw(detail)
+ elif type in (WE_ACTIVATE, WE_DEACTIVATE):
+ pass
+ else:
+ print '*** VT100 event:', type, detail
+ else:
+ print '*** Alien event:', type, window, detail
+ elif tn in rfd:
+ vt.window.setwincursor('watch')
+ try:
+ data = tn.read_now()
+ except EOFError:
+ stdwin.message('Connection closed--goodbye')
+ break
+ print 'send...'
+ vt.send(data)
+ print 'send...done'
+ vt.window.setwincursor('arrow')
+ matches = vt.which_screens()
+ if 'timelimit' in matches:
+ stdwin.message('Time limit--goodbye')
+ break
+ print '*** Matches:', matches
+ else:
+ print '*** Weird return from select:', rfd, wfd, xfd
+
+
+# Subroutine to define our screen recognition patterns
+
+def define_screens(vt):
+ vt.define_screen('menu', {
+ 'title': ('search', 0, 0, 80,
+ ' SEARCH FUNCTIONS +OTHER FUNCTIONS '),
+ })
+ vt.define_screen('search', {
+ 'title': ('search', 0, 0, 80, ' Search '),
+ })
+ vt.define_screen('shortlist', {'title': ('search', 0, 0, 80,
+ ' Short-list')})
+ vt.define_screen('showrecord', {
+ 'title': ('search', 0, 0, 80, ' Show record '),
+ })
+ vt.define_screen('timelimit', {
+ 'limit': ('search', 12, 0, 80, ' TIME LIMIT '),
+ })
+ vt.define_screen('attention', {
+ 'BASE': ('copy', 0, 0, 0, 'search'),
+ 'title': ('search', 10, 0, 80, ' ATTENTION ')})
+ vt.define_screen('syntaxerror', {
+ 'BASE': ('copy', 0, 0, 0, 'attention'),
+ 'message': ('search', 12, 0, 80, ' Syntax error'),
+ })
+ vt.define_screen('emptyerror', {
+ 'BASE': ('copy', 0, 0, 0, 'attention'),
+ 'message': ('search', 12, 0, 80,
+ ' Check your input. Search at least one term'),
+ })
+ vt.define_screen('unsortedwarning', {
+ 'BASE': ('copy', 0, 0, 0, 'attention'),
+ 'message': ('search', 12, 0, 80,
+ ' Number of records exceeds sort limit'),
+ })
+ vt.define_screen('thereismore', {
+ 'BASE': ('copy', 0, 0, 0, 'showrecord'),
+ 'message': ('search', 15, 0, 80,
+ 'There is more within this record. Use the arrow keys'),
+ })
+ vt.define_screen('nofurther', {
+ 'BASE': ('copy', 0, 0, 0, 'showrecord'),
+ 'message': ('search', 17, 0, 80, 'You cannot go further\.'),
+ })
+ vt.define_screen('nofurtherback', {
+ 'BASE': ('copy', 0, 0, 0, 'showrecord'),
+ 'message': ('search', 17, 0, 80,
+ 'You cannot go further back'),
+ })
+
+
+# Class to implement our user interface.
+
+class UserInterface:
+
+ def __init__(self):
+ stdwin.setfont('7x14')
+ self.queryform = QueryForm()
+ self.listform = ListForm()
+ self.recordform = RecordForm()
+ self.forms = [self.queryform, self.listform, self.recordform]
+ define_query_fields(self.queryform)
+ self.windows = []
+ for form in self.forms:
+ if form.formheight > 0:
+ form.open()
+ self.windows.append(form.window)
+
+ def __del__(self):
+ self.close()
+
+ def close(self):
+ for form in self.forms:
+ form.close()
+
+ def dispatch(self, type, window, detail):
+ for form in self.forms:
+ if window == form.window:
+ form.dispatch(type, detail)
+
+
+def define_query_fields(f):
+ f.define_field('name', 'Name auth./ed.', 1, 60)
+ f.define_field('title', 'Title', 4, 60)
+ f.define_field('shelfmark', 'Shelf mark', 1, 60)
+ f.define_field('class', 'Prim. classif.', 1, 60)
+ f.define_field('series', 'Series', 1, 60)
+ f.define_field('congress', 'Congr. pl./year', 1, 60)
+ f.define_field('type', 'Type', 1, 60)
+
+
+class QueryForm(Form):
+
+ def __init__(self):
+ Form.__init__(self, 'Query form -- CWI Library')
+
+ def dispatch(self, type, detail):
+ if type == WE_COMMAND and detail == WC_RETURN:
+ print '*** SUBMIT ***'
+ else:
+ Form.dispatch(self, type, detail)
+
+
+class ListForm(Form):
+
+ def __init__(self):
+ Form.__init__(self, 'Short list -- CWI Library')
+
+
+class RecordForm(Form):
+
+ def __init__(self):
+ Form.__init__(self, 'Record detail -- CWI Library')
+
+
+main()