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components.py
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components.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# components.py - SSC Component Navigation
#
# Copyright 2013 Ikey Doherty <ikey@solusos.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
#
import gi.repository
from gi.repository import Gtk, GObject
import pisi.api
from widgets import PackageLabel
class ComponentsView(Gtk.VBox):
__gsignals__ = {
'package-selected': (GObject.SIGNAL_RUN_FIRST, None,
(object,object))
}
def __init__(self, components, installdb, basket):
Gtk.VBox.__init__(self)
self.componentdb = components
self.installdb = installdb
self.basket = basket
self.components_view = Gtk.TreeView()
self.components_view.set_headers_visible(False)
selection = self.components_view.get_selection()
self._sig_id = selection.connect("changed", self.open_component)
ren = Gtk.CellRendererText()
column = Gtk.TreeViewColumn("Component", ren)
column.add_attribute(ren, "markup", 0)
self.components_view.append_column(column)
scroller = Gtk.ScrolledWindow(None, None)
scroller.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
scroller.add(self.components_view)
self.listbox_packages = Gtk.ListBox()
# placeholder to show folks we're loading
self.placeholder = Gtk.Label("<span font='30.5'>Loading..</span>")
self.placeholder.set_use_markup(True)
#self.listbox_packages.set_placeholder(self.placeholder)
self.placeholder.show_all()
self.listbox_packages.connect("row-activated", self._selected)
scroller2 = Gtk.ScrolledWindow(None, None)
scroller2.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
scroller2.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
scroller2.add(self.listbox_packages)
center = Gtk.HBox()
center.pack_start(scroller, False, False, 0)
center.pack_start(scroller2, True, True, 0)
self.add(center)
def _selected(self, box, row):
if row is None:
return
child = row.get_children()[0]
self.emit('package-selected', child.package, child.old_package)
def set_from_components(self, components):
store = Gtk.ListStore(str,str,object)
for component_key in components:
component = self.componentdb.get_component(component_key)
store.append([str(component.localName), str(component.description), component])
store.set_sort_column_id(0, Gtk.SortType.ASCENDING)
self.components_view.set_model(store)
component = store[0][2]
self.components_view.get_selection().handler_block(self._sig_id)
self.components_view.set_cursor(0)
self.components_view.get_selection().handler_unblock(self._sig_id)
self.build_packages(component)
self.show_all()
def do_reset(self):
for child in self.listbox_packages.get_children():
pan = child.get_children()[0]
pkg = pan.package
old_pkg = self.installdb.get_package(pkg.name) if self.installdb.has_package(pkg.name) else None
pan.old_package = old_pkg
pan.package = self.packagedb.get_package(pkg.name)
pan.package_status = 'FORGET'
pan.reset_image()
while (Gtk.events_pending()):
Gtk.main_iteration()
def open_component(self, selection):
model, treeiter = selection.get_selected()
if treeiter is None:
return
row = model[treeiter]
component = row[2]
self.components_view.set_sensitive(False)
GObject.idle_add(self.build_packages, component)
def mark_selected(self, operation, package, old_package):
for row in self.listbox_packages.get_children():
child = row.get_children()[0]
if child.package == package:
child.mark_status(operation)
def build_packages(self, component=None):
self.placeholder.set_markup("<span font='30.5'>Loading..</span>")
for child in self.listbox_packages.get_children():
child.destroy()
pkgs = component.packages
appends = list()
if len(pkgs) == 0:
self.placeholder.set_markup("<big>No packages matched your query</big>")
self.components_view.set_sensitive(True)
return
for pkg in component.packages:
meta,pkg_ = pisi.api.info(pkg)
package = meta.package
old_package = self.installdb.get_package(pkg) if self.installdb.has_package(pkg) else None
appends.append((package, old_package))
while (Gtk.events_pending()):
Gtk.main_iteration()
appends.sort(key=lambda x: x[0].name)
for new,old in appends:
label = PackageLabel(new,old, True)
label.sig_id = label.connect('operation-selected', self.op_select)
status = self.basket.operation_for_package(new)
label.mark_status(status)
self.listbox_packages.add(label)
self.listbox_packages.show_all()
while (Gtk.events_pending()):
Gtk.main_iteration()
self.components_view.set_sensitive(True)
def op_select(self, package_label, operation, package, old_package):
if operation == 'INSTALL':
self.basket.install_package(package)
elif operation == 'UNINSTALL':
self.basket.remove_package(old_package)
elif operation == 'UPDATE':
self.basket.update_package(old_package, package)
elif operation == 'FORGET':
self.basket.forget_package(package)
#self.mark_selected(operation, package, old_package)