# Tk_text_based_image_browser_template.py

# Tk_text_based_image_browser_template.py

try:
    # Python2
    from Tkinter import *
    from urllib2 import urlopen
except ImportError:
    # Python3
    from tkinter import *
    from urllib.request import urlopen
import webbrowser
import time

root=Tk()
root.geometry('1280x654+0+0')
root.title('Online Image Browser')

topFrame=LabelFrame(root,text="",height=600)
topFrame.pack(fill=X)
topFrame.pack_propagate(False)

Frame2=LabelFrame(root,height=24,borderwidth=0)
Frame2.pack(fill=X)
Frame2.pack_propagate(False)

Frame3=LabelFrame(root,height=30,borderwidth=0)
Frame3.pack(fill=X)
Frame3.pack_propagate(False)

ffff=Listbox(topFrame,selectmode=EXTENDED) # Bingo! Multiple links can be chosen, using the Shift and Control keyboard modifiers
ffff.pack(fill=BOTH,expand=YES,side=LEFT)

scroll=Scrollbar(topFrame)
scroll.pack(side=RIGHT,fill=Y,expand=NO)

scroll.configure(command=ffff.yview)
ffff.configure(yscrollcommand=scroll.set)

top = Toplevel()

curr=[]
links=[]
jpegs=[]
keyurl=''
back=[]

def dblclk(event):
    top.deiconify()
    html=ffff.curselection()
    html=curr[int(html[0])]
    root.update()
    if html.lower().endswith(('.jpg','.jpeg',)):
        fullsize(html)
    else:
        dig_urls(html)
#
def update_list(items):
    global curr
    ffff.delete(0, END)
    for item in items:
        ffff.insert(END,item)
    curr=items
    top.withdraw()
    root.update()
update_list(curr) # None
#
def from_clipboard():
    data = root.clipboard_get()
    url.set(data)
    top.deiconify()
    root.update()
    url_images()
#
top = Toplevel()
top.transient(root)
top.geometry('300x60+480+200')
top.title('*')
msg = Label(top, text="\nProcessing, Please Wait...")
msg.pack()
top.withdraw()
#
def view_selected():
    vsel=ffff.curselection()
    if len(vsel) == 1:
        url.set(curr[int(vsel[0])])
    for i in vsel:
        i=int(i)
        webbrowser.open(curr[i])
        time.sleep(0.5)
#
def all_jpgs(in_page):
    global jpegs
    jpegs=[]
    home=keyurl
    home='/'.join(home.split('/')[:3])
    images=re.findall('''["']((?i)\S+\.jpe?g)''', in_page) #
    for i in images:
        print i,'+++++'
        if '//' in i:
            jpegs.append(i)
        else:
            tmp=(keyurl+'/'+i).replace('//','/')
            jpegs.append(tmp.replace(':',':/'))
            tmp=(home+'/'+i).replace('//','/')
            jpegs.append(tmp.replace(':',':/'))
    jpegs=sorted(list(set(jpegs)))
    update_list(jpegs)
    ffff.configure(selectmode=EXTENDED); print 'Multi-Select Mode'
    ffff.unbind("<Double-Button-1>")
    web.configure(state=NORMAL)
#
def all_links(in_page):
    global links
    links=[]
    external=[]
    home=keyurl
    if '//' in home:
        home='/'.join(home.split('/')[:3])
    for tmp in re.findall('''[HREF|href]=["'](.[^"']+)[/"']''', in_page):
        if tmp.startswith(tuple('# java mailto'.split())):
            next
        if tmp[0] == '/':
            tmp=home+tmp
            tmp=tmp.replace('//','/').replace(':',':/')
            if tmp not in external+links:
                links.append(tmp)
        else:
            if tmp not in external+links and '://' in tmp:
                external.append(tmp)
    links=external+links
    links=sorted(links)
#
def fullsize(fsz):
    global jlist
    jlist=[]
    if '#' not in fsz:
        if '-' in fsz[-7:]:
            fsz=fsz.split('-')
            fsz[-2]=fsz[-2]+'-#.jpg'
            fsz='-'.join(fsz[:-1])
        else:
            fsz=fsz.split('.')
            fsz[-2]=fsz[-2][:-2]+'#'
            fsz='.'.join(fsz)
    for i in range(10):
        tmp=fsz.replace('#',str(i))
        jlist.append(tmp)
    for i in range(50+1):
        tmp=str(i).zfill(2)
        tmp=fsz.replace('#',tmp)
        jlist.append(tmp)
    update_list(jlist)
#
def dig_urls(html):
    global keyurl
    html=urlopen(html)
    keyurl=html.geturl()
    if keyurl not in back: back.append(keyurl)
    url.set(keyurl)
    in_page=html.read()
    all_links(in_page)
    all_jpgs(in_page)
#
def url_images():
    web.configure(state=NORMAL)
    ffff.configure(selectmode=EXTENDED); print 'Multi-Select Mode'
    ffff.unbind("<Double-Button-1>")
    html=ent.get()
    if html.lower().endswith(('.jpg','.jpeg',)):
        fullsize(html)
    else:
        top.deiconify()
        root.update()
        if html <> keyurl:
            dig_urls(html)
        else:
            update_list(jpegs)
#
def url_links():
    web.configure(state=DISABLED)
    ffff.configure(selectmode=SINGLE); print 'Single-Select Mode'
    ffff.bind("<Double-Button-1>", dblclk)
    update_list(links)
#
def history():
    global curr
    ffff.configure(selectmode=SINGLE); print 'Single-Select Mode'
    ffff.bind("<Double-Button-1>", dblclk)
    curr=back
    update_list(back)

btn=Button(Frame2,text="Enter URL",width=16,command=url_images)
btn.pack(side=LEFT)

url=StringVar()
ent=Entry(Frame2,width="160",textvariable=url)
ent.pack(side=LEFT)

web=Button(Frame3,text="Web View",width=16,command=view_selected)
web.pack(side=LEFT)

btn=Button(Frame3,text="View Links",width=16,command=url_links)
btn.pack(side=LEFT)

cpb=Button(Frame3,text="Clipboard",width=16,command=from_clipboard)
cpb.pack(side=LEFT)

lbl=Label(Frame3)
lbl.pack(side=LEFT)

btn=Button(Frame3,text="History",width=16,command=history)
btn.pack(side=RIGHT)

root.mainloop()