290 lines
9.0 KiB
Python
Executable File
290 lines
9.0 KiB
Python
Executable File
#!/usr/bin/env python
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import curses
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import dbLayer as db
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import browser
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stdscr=0
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def menutest(s, l):
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global stdscr
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stdscr=s
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curses.curs_set(0)
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(rows,cols)=stdscr.getmaxyx()
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w = curses.newwin(10,40,(rows-10)/2, (cols-40)/2)
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menu(w, l)
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curses.curs_set(1)
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# item is a list of (string, callable) tuples
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def menu(w, items):
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w.keypad(1)
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highlight=0
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redrawMenu(w,items,highlight)
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w.refresh()
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ch=w.getch()
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while (ch!=113 and ch!=27): # leave on q or ESC
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if ch==curses.KEY_UP:
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if highlight!=0:
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w.chgat(highlight,0, 0)
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highlight -= 1
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while(items[highlight][0]==""):
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highlight -=1
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w.chgat(highlight,0, curses.A_REVERSE)
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if ch==curses.KEY_DOWN:
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if highlight!=len(items)-1:
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w.chgat(highlight,0, 0)
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highlight += 1
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while(items[highlight][0]==""):
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highlight +=1
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w.chgat(highlight,0, curses.A_REVERSE)
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if ch==curses.KEY_PPAGE:
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w.chgat(highlight,0, 0)
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highlight = 0
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w.chgat(highlight,0, curses.A_REVERSE)
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if ch==curses.KEY_NPAGE:
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w.chgat(highlight,0, 0)
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highlight = len(items)-1
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w.chgat(highlight,0, curses.A_REVERSE)
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if ch==114 or ch==10:
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(s,f)=items[highlight]
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f()
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redrawMenu(w,items,highlight)
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w.refresh()
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ch = w.getch()
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def redrawMenu(w,items,highlight):
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i=0
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for (mitem,fun) in items:
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w.addstr(i,0, mitem)
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i +=1
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w.chgat(highlight, 0, curses.A_REVERSE)
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w.refresh()
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# items is a list of (label, value) pairs
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def redrawForm(w, caption, items, buttonlabel, m):
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(y,x)=w.getmaxyx()
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w.border()
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curses.curs_set(1)
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w.addstr(1,1,caption)
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r=3
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for l,v in items:
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c = m-len(l)-2
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w.addstr(r,c,l+":")
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w.addstr(r,m,v)
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r+=2
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w.addstr(r,x-len(buttonlabel)-len("<cancel>")-6, "<cancel> <"+buttonlabel+">")
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w.refresh()
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def lists_to_dict(l1, l2):
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book = {}
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for k,v in zip(l1,l2):
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if v!="" and k.lower()!="publish date":
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book[k.lower()]=v
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return book
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#the final form for book data entry - takes caption and book info.
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def bookForm(caption, book, buttonlabel):
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labels = ["ISBN", "LCCN", "Title", "Subtitle", "Authors", "Edition",
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"Publisher", "Publish Date", "Publish Year", "Publish Month", "Publish location",
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"Pages", "Pagination", "Weight"]
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entries = []
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m = 0
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for l in labels:
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m = max(len(l),m)
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if l.lower() in book:
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entries.append(book[l.lower()])
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else:
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entries.append("")
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m+=4
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w=curses.newwin(34,70,1,10)
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(y,x)=w.getmaxyx()
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w.keypad(1)
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redrawForm(w,caption,zip(labels,entries),buttonlabel,m)
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bcol = [x-len(buttonlabel)-len("<cancel>")-6, x-len(buttonlabel)-4]
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bwidth = [8,len(buttonlabel)+2]
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highlight=0
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b = -1
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r=3
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+len(entries[highlight]))
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cursor = len(entries[highlight])
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ch = w.getch()
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while (1==1):
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if ch==27: #escape key
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curses.curs_set(0)
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w.clear()
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w.refresh()
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return {}
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if ch==curses.KEY_UP:
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if highlight == len(labels):
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w.chgat(r,bcol[b],bwidth[b],curses.A_NORMAL)
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highlight = len(labels)-1
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b = -1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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curses.curs_set(1)
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elif highlight!=0:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight -= 1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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elif ch==curses.KEY_PPAGE:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight=0
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b=-1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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curses.curs_set(1)
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elif ch==curses.KEY_DOWN:
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if highlight >= len(labels) -1:
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highlight = len(labels)
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b += 1
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b = min(b,1)
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curses.curs_set(0)
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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r = y-3
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight += 1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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elif ch==curses.KEY_NPAGE:
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if highlight!=len(labels):
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highlight = len(labels)
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b += 1
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b = min(b,1)
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curses.curs_set(0)
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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r = y-3
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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elif ch==curses.KEY_LEFT:
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if highlight == len(labels):
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w.chgat(r,bcol[b],bwidth[b],curses.A_NORMAL)
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b=0
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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if cursor>0:
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cursor-=1
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w.move(r,m+cursor)
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elif ch==curses.KEY_RIGHT:
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if highlight == len(labels):
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w.chgat(r,bcol[b],bwidth[b],curses.A_NORMAL)
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b=1
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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if cursor < len(entries[highlight]):
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cursor+=1
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w.move(r,m+cursor)
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elif ch>31 and ch<127:
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if highlight != len(labels):
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entries[highlight]=entries[highlight][:cursor] + curses.keyname(ch) + entries[highlight][cursor:]
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cursor+=1
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w.addnstr(r,m, entries[highlight]+(" "*40), x-m-2)
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+cursor)
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elif ch==curses.KEY_BACKSPACE:
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if highlight != len(labels) and cursor!=0:
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cursor-=1
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entries[highlight]=entries[highlight][:cursor] + entries[highlight][cursor+1:]
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w.addnstr(r,m, entries[highlight]+(" "*40), x-m-2)
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+cursor)
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elif ch==curses.KEY_DC:
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if highlight != len(labels):
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entries[highlight]=entries[highlight][:cursor] + entries[highlight][cursor+1:]
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w.addnstr(r,m, entries[highlight]+(" "*40), x-m-2)
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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w.move(r,m+cursor)
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elif ch==curses.KEY_HOME:
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if highlight != len(labels):
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cursor=0
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w.move(r,m+cursor)
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elif ch==curses.KEY_END:
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if highlight != len(labels):
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cursor=len(entries[highlight])
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w.move(r,m+cursor)
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elif ch==10:
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if b != -1:
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if b == 0:
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w.clear()
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w.refresh()
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return {}
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elif b == 1:
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w.clear()
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w.refresh()
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return lists_to_dict(labels,entries)
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elif highlight == len(labels)-1:
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highlight = len(labels)
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b=0
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curses.curs_set(0)
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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r = y-3
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w.chgat(r,bcol[b],bwidth[b],curses.A_REVERSE)
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else:
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w.chgat(r,m,x-m-2,curses.A_NORMAL)
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highlight += 1
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r=3+2*highlight
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w.chgat(r,m,x-m-2,curses.A_UNDERLINE)
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cursor = len(entries[highlight])
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w.move(r,m+cursor)
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w.refresh()
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ch = w.getch()
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curses.curs_set(0)
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w.clear()
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w.refresh()
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return {}
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def addForm():
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book = {"title":"A Book of Tests", "pages":"123"}
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book = bookForm("Add a book", book, "add")
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#bookForm("View the book", book, "done")
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if len(book)!=0:
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db.addBook(book)
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def updateMenu():
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w=curses.newwin(1,50,10,10)
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w.addstr("I will be used to update or modify book records")
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w.refresh()
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def deleteMenu():
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w=curses.newwin(1,50,10,10)
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w.addstr("I will be used to delete book records")
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w.refresh()
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def browseMenu():
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w=curses.newwin(10,80,20,20)
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b = browser.browserWindow(w)
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b.startBrowser()
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w.box()
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w.refresh()
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w.getch()
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m = [("Browse Library", browseMenu),
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("Add Book or other item", addForm),
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("Modify/Update record", updateMenu),
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("Remove book from catalogue", deleteMenu),
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("",exit),
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("Exit", exit)]
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curses.wrapper(menutest, m)
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