Download and install activities

1 files changed, 195 insertions, 0 deletions

diff --git a/canvas.py b/canvas.py
new file mode 100644
index 0000000..bffb3e2
--- /dev/null
+++ b/canvas.py
@@ -0,0 +1,195 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# canvas.py by:
+#    Agustin Zubiaga <aguz@sugarlabs.org>
+
+# 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 3 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 St, Fifth Floor, Boston, MA  02110-1301  USA
+
+import gtk
+import threading
+import utils
+
+BTN_COLOR = gtk.gdk.color_parse("blue")
+
+
+class Canvas(gtk.Notebook):
+
+    def __init__(self, parent):
+        gtk.Notebook.__init__(self)
+
+        self._parent = parent
+
+        # Search List
+        self.gtk_list = List(self._parent)
+
+        eventbox = gtk.EventBox()
+        eventbox.modify_bg(gtk.STATE_NORMAL, gtk.gdk.Color("#FFFFFF"))
+        eventbox.add(self.gtk_list)
+
+        scroll = gtk.ScrolledWindow()
+        scroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+        scroll.add_with_viewport(eventbox)
+
+        self.append_page(scroll)
+
+        # Download List
+        scroll = gtk.ScrolledWindow()
+        scroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+
+        scroll.add_with_viewport(self.gtk_list.download_list)
+        self.append_page(scroll)
+
+        self.set_property('show-tabs', False)
+
+        self.show_all()
+
+    def switch_to_list(self, widget):
+        self.set_page(0)
+        if not widget:
+            self._parent.store_list.set_active(True)
+
+    def switch_to_downloads_list(self, widget):
+        self.set_page(1)
+
+
+class List(gtk.Table):
+
+    def __init__(self, parent):
+        gtk.Table.__init__(self, rows=10, homogeneous=True)
+
+        self._rows = 0
+        self._list = utils.get_store_list()
+        self.download_list = DownloadList()
+
+        self._parent = parent
+
+        self.show_all()
+
+    def _add_activity(self, widget):
+        self.attach(widget, 0, 1, self._rows, self._rows + 1)
+        self.attach(gtk.HSeparator(), 0, 1, self._rows + 1, self._rows + 2)
+        self.show_all()
+        self._rows += 2
+
+    def _clear(self):
+        self._rows = 0
+        for child in self.get_children():
+            self.remove(child)
+
+    def search(self, entry):
+        self._clear()
+        words = entry.get_text()
+        id = -1
+        for activity in self._list:
+            id += 1
+            if words in activity["Name"] or \
+               words.capitalize() in activity["Name"]:
+                activity_widget = ActivityWidget(id, self)
+                self._add_activity(activity_widget)
+
+
+class ActivityWidget(gtk.HBox):
+
+    def __init__(self, id, parent):
+        gtk.HBox.__init__(self, False, 0)
+
+        self._id = id
+        self._download_list = parent.download_list
+        self._downloads_icon = parent._parent.downloads_icon
+
+        self.name_label = self._label()
+        self.icon = gtk.Image()
+        self.install_button = gtk.Button("INSTALL")
+        self.install_button.connect("clicked", self._btn_clicked)
+        self.install_button.modify_bg(gtk.STATE_NORMAL, BTN_COLOR)
+        self.install_button.modify_bg(gtk.STATE_PRELIGHT, BTN_COLOR)
+        self.install_button.modify_bg(gtk.STATE_ACTIVE, BTN_COLOR)
+        self.install_button.set_size_request(gtk.gdk.screen_width() / 10,
+                                             -1)
+
+        self.desc_label = self._label()
+
+        self._activity_props = parent._list[id]
+
+        self._left_box = gtk.VBox()
+        self._icon_and_label = gtk.HBox()
+
+        self._icon_and_label.pack_start(self.icon, False, True, 0)
+        self._icon_and_label.pack_end(self.name_label, True, True, 0)
+        self._left_box.pack_start(self._icon_and_label, False, True, 0)
+        self._left_box.pack_end(self.install_button, False, True, 0)
+        self.pack_start(self._left_box, False, True, 0)
+        self.pack_start(gtk.VSeparator(), False, True, 20)
+        self.pack_start(self.desc_label, True, True, 0)
+
+        self._setup()
+
+        self.show_all()
+
+    def _label(self):
+        label = gtk.Label()
+        label.set_line_wrap(True)
+        label.set_use_markup(True)
+
+        return label
+
+    def _setup(self):
+        self.name_label.set_markup('<b>%s</b>' % self._activity_props["Name"])
+
+        self.desc_label.set_markup('<i>%s</i>' %
+                                          self._activity_props["Description"])
+
+        pixbuf_icon = utils.get_icon(self._id)
+        self.icon.set_from_pixbuf(pixbuf_icon)
+
+    def _btn_clicked(self, widget):
+        self._downloads_icon.animate()
+
+        threading.Thread(target=utils.download_activity, args=(self._id,
+                                self._progress_changed)).start()
+
+        self._download_id = \
+                self._download_list.add_download(self._activity_props["Name"])
+
+    def _progress_changed(self, progress):
+        self._download_list.set_download_progress(self._download_id, progress)
+
+
+class DownloadList(gtk.TreeView):
+
+    def __init__(self):
+        gtk.TreeView.__init__(self)
+
+        self._model = gtk.ListStore(str, int)
+        self.set_model(self._model)
+
+        renderer_text = gtk.CellRendererText()
+        column_text = gtk.TreeViewColumn("Name", renderer_text, text=0)
+        self.append_column(column_text)
+
+        renderer_progress = gtk.CellRendererProgress()
+        column_progress = gtk.TreeViewColumn("Progress", renderer_progress,
+            value=1)
+        self.append_column(column_progress)
+
+        self.show_all()
+
+    def add_download(self, name):
+        iter = self._model.append([name, 0])
+        return iter
+
+    def set_download_progress(self, id, progress):
+        self._model[id][1] = int(progress)