library/librarian.py

135 lines
3.2 KiB
Python
Executable File

#!/usr/bin/env python3
import curses
import dbLayer as db
import browser
import form as form
import helpBar
import bookData
stdscr=0
hb=0
menu_commands = [(' q','quit')]
def menutest(s, l):
global stdscr
global hb
stdscr=s
curses.curs_set(0)
(rows,cols)=stdscr.getmaxyx()
bar = curses.newwin(1,cols-2,rows-1,1)
hb = helpBar.helpBar(bar)
hb.command=menu_commands
hb.refresh()
w = curses.newwin(10,40,(rows-10)//2, (cols-40)//2)
menu(w, l)
curses.curs_set(1)
# item is a list of (string, callable) tuples
def menu(w, items):
w.keypad(1)
highlight=0
redrawMenu(w,items,highlight)
w.refresh()
ch=w.getch()
while (ch!=113 and ch!=27): # leave on q or ESC
if ch==curses.KEY_UP or ch==107 or ch==16:
if highlight!=0:
w.chgat(highlight,0, 0)
highlight -= 1
while(items[highlight][0]==""):
highlight -=1
w.chgat(highlight,0, curses.A_REVERSE)
if ch==curses.KEY_DOWN or ch==106 or ch==14:
if highlight!=len(items)-1:
w.chgat(highlight,0, 0)
highlight += 1
while(items[highlight][0]==""):
highlight +=1
w.chgat(highlight,0, curses.A_REVERSE)
if ch==curses.KEY_PPAGE:
w.chgat(highlight,0, 0)
highlight = 0
w.chgat(highlight,0, curses.A_REVERSE)
if ch==curses.KEY_NPAGE:
w.chgat(highlight,0, 0)
highlight = len(items)-1
w.chgat(highlight,0, curses.A_REVERSE)
if ch==114 or ch==10:
(s,f)=items[highlight]
f()
redrawMenu(w,items,highlight)
w.refresh()
ch = w.getch()
def redrawMenu(w,items,highlight):
i=0
for (mitem,fun) in items:
w.addstr(i,0, mitem)
i +=1
w.chgat(highlight, 0, curses.A_REVERSE)
w.refresh()
hb.commands=menu_commands
hb.refresh()
def addForm():
w=curses.newwin(1,1)
(my,mx)=stdscr.getmaxyx()
bf = form.bookForm(w,hb)
(r,c)=w.getmaxyx()
w.mvwin((my-r)//2,(mx-c)//2)
bf.lookup_isbn=bookData.openLibrary_isbn
bf.lookup_lccn=bookData.openLibrary_lccn
bf.caption='Add a Book'
bf.blabel = 'Add'
book = bf.eventLoop()
bf.clear()
if len(book)!=0:
db.addBook(book)
def updateMenu():
w=curses.newwin(1,50,10,10)
w.addstr("I will be used to update or modify book records")
w.refresh()
def trashMenu():
(my,mx)=stdscr.getmaxyx()
w=curses.newwin(20,80,(my-20)//2,(mx-80)//2)
b = browser.trashBrowser(w,hb)
b.refreshBooks()
b.eventLoop()
b.clear()
def browseMenu():
(my,mx)=stdscr.getmaxyx()
w=curses.newwin(20,80,(my-20)//2,(mx-80)//2)
b = browser.bookBrowser(w,hb)
b.refreshBooks()
b.eventLoop()
b.clear()
def catMenu():
(my,mx)=stdscr.getmaxyx()
w=curses.newwin(10,40,(my-10)//2,(mx-40)//2)
c = browser.categoryBrowser(w,hb)
c.refreshCategories()
c.sortByColumn('category')
c.eventLoop()
c.clear()
m = [("Browse Library", browseMenu),
("Add Book", addForm),
("Categories", catMenu),
("View Trash", trashMenu),
("",exit),
("Exit", exit)]
curses.wrapper(menutest, m)