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#!/usr/bin/python2.7

from gi.repository import Gtk, GObject
import os
import cli
import glob
from lib import mat

__version__ = '0.1'
__author__ = 'jvoisin'

SUPPORTED = (('image/png', 'image/jpeg', 'image/gif',
            'misc/pdf'),
            ('*.jpg', '*.jpeg', '*.png', '*.bmp', '*.pdf',
            '*.tar', '*.tar.bz2', '*.tar.gz', '*.mp3'))

class ListStoreApp:
    '''
        Main GUI class
    '''
    (COLUMN_NAME,
     COLUMN_FILEFORMAT,
     COLUMN_CLEANED,
     NUM_COLUMNS) = range(4)

    def __init__(self):
        self.files = []
        self.backup = True

        self.window = Gtk.Window()
        self.window.set_title('Metadata Anonymisation Toolkit %s' % __version__)
        self.window.connect('destroy', Gtk.main_quit)
        self.window.set_default_size(800, 600)

        vbox = self.create_toolbar()
        self.window.add(vbox)

        sw = Gtk.ScrolledWindow()
        vbox.pack_start(sw, True, True, 0)

        self.model = Gtk.ListStore(str, str, str) #name - type - cleaned

        self.treeview = Gtk.TreeView(model=self.model)
        self.treeview.set_rules_hint(True)
        sw.add(self.treeview)
        self.add_columns(self.treeview)

        self.statusbar = Gtk.Statusbar()
        self.statusbar.push(1, 'Ready')
        vbox.pack_start(self.statusbar, False, False, 0)

        self.window.show_all()

    def create_toolbar(self):
        '''
            Returns a bbox object, which contains a toolbar with buttons
        '''
        toolbar = Gtk.Toolbar()

        toolbutton = Gtk.ToolButton(label = 'Add', stock_id=Gtk.STOCK_ADD)
        toolbutton.connect('clicked', self.add_files)
        toolbar.add(toolbutton)

        toolbutton = Gtk.ToolButton(label = 'Clean', stock_id=Gtk.STOCK_CLEAR)
        toolbar.add(toolbutton)

        toolbutton = Gtk.ToolButton(label='Brute Clean',
            stock_id=Gtk.STOCK_CLEAR)
        toolbar.add(toolbutton)

        toolbutton = Gtk.ToolButton(label='Check', stock_id=Gtk.STOCK_FIND)
        toolbutton.connect('clicked', self.mat_clean)
        toolbar.add(toolbutton)

        toolbutton = Gtk.ToolButton(stock_id=Gtk.STOCK_QUIT)
        toolbutton.connect('clicked', Gtk.main_quit)
        toolbar.add(toolbutton)

        vbox = Gtk.VBox(spacing=3)
        vbox.pack_start(toolbar, False, False, 0)
        return vbox

    def add_columns(self, treeview):
        '''
            Crete the columns
        '''
        model = treeview.get_model()
        renderer = Gtk.CellRendererText()

        # column for filename
        column = Gtk.TreeViewColumn("Filename", renderer,
                                    text=self.COLUMN_NAME)
        column.set_sort_column_id(self.COLUMN_NAME)
        treeview.append_column(column)

        # column for fileformat
        column = Gtk.TreeViewColumn("Fileformat", renderer,
                                    text=self.COLUMN_FILEFORMAT)
        column.set_sort_column_id(self.COLUMN_FILEFORMAT)
        treeview.append_column(column)

        # column for cleaned
        column = Gtk.TreeViewColumn("Cleaned", renderer,
                                    text=self.COLUMN_CLEANED)
        column.set_sort_column_id(self.COLUMN_CLEANED)
        treeview.append_column(column)

    def create_filter(self):
        '''
            Return a filter for
            supported content
        '''
        filter = Gtk.FileFilter()
        filter.set_name('Supported files')
        for item in SUPPORTED[0]: #add by mime
            filter.add_mime_type(item)
        for item in SUPPORTED[1]: #add by extension
            filter.add_pattern(item)
        return filter

    def add_files(self, button):
        chooser = Gtk.FileChooserDialog(
            title='Choose files',
            parent=None,
            action=Gtk.FileChooserAction.OPEN,
            buttons=(Gtk.STOCK_OK, 0, Gtk.STOCK_CANCEL, 1)
            )
        chooser.set_default_response(0)
        chooser.set_select_multiple(True)

        filter = Gtk.FileFilter()
        filter.set_name('All files')
        filter.add_pattern('*')
        chooser.add_filter(filter)

        chooser.add_filter(self.create_filter())

        response = chooser.run()

        if response is 0: #Gtk.STOCK_OK
            filenames = chooser.get_filenames()
            lst = []
            for item in filenames:
                #FIXME : not optimal at all
                if os.path.isdir(item):
                    lst.extend(glob.glob(item + '/*'))
                else:
                    lst.append(item)
            self.populate(lst)
        chooser.destroy()

    def populate(self, filenames):
        for item in filenames:
            try:
                cfile = mat.create_class_file(item, self.backup)
            except:
                cfile = None

            if cfile is not None:
                self.files.append(cfile)
                self.model.append([cfile.filename, cfile.mime, 'unknow'])

    def mat_clean(self, button):#OMFG, I'm so ugly !
        self.model.clear()
        for item in self.files:
            if item.is_clean():
                string = 'clean'
            else:
                string = 'dirty'
            self.model.append([item.shortname, item.mime, string])


def main():
    app = ListStoreApp()
    Gtk.main()

if __name__ == '__main__':
    main()