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Diffstat (limited to 'import-layers/yocto-poky/bitbake/lib/bb/ui/crumbs/hig/layerselectiondialog.py')
| -rw-r--r-- | import-layers/yocto-poky/bitbake/lib/bb/ui/crumbs/hig/layerselectiondialog.py | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/bitbake/lib/bb/ui/crumbs/hig/layerselectiondialog.py b/import-layers/yocto-poky/bitbake/lib/bb/ui/crumbs/hig/layerselectiondialog.py new file mode 100644 index 000000000..52d57b673 --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/ui/crumbs/hig/layerselectiondialog.py @@ -0,0 +1,298 @@ +# +# BitBake Graphical GTK User Interface +# +# Copyright (C) 2011-2012 Intel Corporation +# +# Authored by Joshua Lock <josh@linux.intel.com> +# Authored by Dongxiao Xu <dongxiao.xu@intel.com> +# Authored by Shane Wang <shane.wang@intel.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# 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 gtk +import gobject +import os +import tempfile +from bb.ui.crumbs.hobwidget import hic, HobButton, HobAltButton +from bb.ui.crumbs.hig.crumbsdialog import CrumbsDialog +from bb.ui.crumbs.hig.crumbsmessagedialog import CrumbsMessageDialog + +""" +The following are convenience classes for implementing GNOME HIG compliant +BitBake GUI's +In summary: spacing = 12px, border-width = 6px +""" + +class CellRendererPixbufActivatable(gtk.CellRendererPixbuf): + """ + A custom CellRenderer implementation which is activatable + so that we can handle user clicks + """ + __gsignals__ = { 'clicked' : (gobject.SIGNAL_RUN_LAST, + gobject.TYPE_NONE, + (gobject.TYPE_STRING,)), } + + def __init__(self): + gtk.CellRendererPixbuf.__init__(self) + self.set_property('mode', gtk.CELL_RENDERER_MODE_ACTIVATABLE) + self.set_property('follow-state', True) + + """ + Respond to a user click on a cell + """ + def do_activate(self, even, widget, path, background_area, cell_area, flags): + self.emit('clicked', path) + +# +# LayerSelectionDialog +# +class LayerSelectionDialog (CrumbsDialog): + + TARGETS = [ + ("MY_TREE_MODEL_ROW", gtk.TARGET_SAME_WIDGET, 0), + ("text/plain", 0, 1), + ("TEXT", 0, 2), + ("STRING", 0, 3), + ] + + def gen_label_widget(self, content): + label = gtk.Label() + label.set_alignment(0, 0) + label.set_markup(content) + label.show() + return label + + def layer_widget_toggled_cb(self, cell, path, layer_store): + name = layer_store[path][0] + toggle = not layer_store[path][1] + layer_store[path][1] = toggle + + def layer_widget_add_clicked_cb(self, action, layer_store, parent): + dialog = gtk.FileChooserDialog("Add new layer", parent, + gtk.FILE_CHOOSER_ACTION_SELECT_FOLDER) + button = dialog.add_button("Cancel", gtk.RESPONSE_NO) + HobAltButton.style_button(button) + button = dialog.add_button("Open", gtk.RESPONSE_YES) + HobButton.style_button(button) + label = gtk.Label("Select the layer you wish to add") + label.show() + dialog.set_extra_widget(label) + response = dialog.run() + path = dialog.get_filename() + dialog.destroy() + + lbl = "<b>Error</b>" + msg = "Unable to load layer <i>%s</i> because " % path + if response == gtk.RESPONSE_YES: + import os + import os.path + layers = [] + it = layer_store.get_iter_first() + while it: + layers.append(layer_store.get_value(it, 0)) + it = layer_store.iter_next(it) + + if not path: + msg += "it is an invalid path." + elif not os.path.exists(path+"/conf/layer.conf"): + msg += "there is no layer.conf inside the directory." + elif path in layers: + msg += "it is already in loaded layers." + else: + layer_store.append([path]) + return + dialog = CrumbsMessageDialog(parent, lbl, gtk.MESSAGE_ERROR, msg) + dialog.add_button(gtk.STOCK_CLOSE, gtk.RESPONSE_OK) + response = dialog.run() + dialog.destroy() + + def layer_widget_del_clicked_cb(self, action, tree_selection, layer_store): + model, iter = tree_selection.get_selected() + if iter: + layer_store.remove(iter) + + + def gen_layer_widget(self, layers, layers_avail, window, tooltip=""): + hbox = gtk.HBox(False, 6) + + layer_tv = gtk.TreeView() + layer_tv.set_rules_hint(True) + layer_tv.set_headers_visible(False) + tree_selection = layer_tv.get_selection() + tree_selection.set_mode(gtk.SELECTION_SINGLE) + + # Allow enable drag and drop of rows including row move + dnd_internal_target = '' + dnd_targets = [(dnd_internal_target, gtk.TARGET_SAME_WIDGET, 0)] + layer_tv.enable_model_drag_source( gtk.gdk.BUTTON1_MASK, + dnd_targets, + gtk.gdk.ACTION_MOVE) + layer_tv.enable_model_drag_dest(dnd_targets, + gtk.gdk.ACTION_MOVE) + layer_tv.connect("drag_data_get", self.drag_data_get_cb) + layer_tv.connect("drag_data_received", self.drag_data_received_cb) + + col0= gtk.TreeViewColumn('Path') + cell0 = gtk.CellRendererText() + cell0.set_padding(5,2) + col0.pack_start(cell0, True) + col0.set_cell_data_func(cell0, self.draw_layer_path_cb) + layer_tv.append_column(col0) + + scroll = gtk.ScrolledWindow() + scroll.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC) + scroll.set_shadow_type(gtk.SHADOW_IN) + scroll.add(layer_tv) + + table_layer = gtk.Table(2, 10, False) + hbox.pack_start(table_layer, expand=True, fill=True) + + table_layer.attach(scroll, 0, 10, 0, 1) + + layer_store = gtk.ListStore(gobject.TYPE_STRING) + for layer in layers: + layer_store.append([layer]) + + col1 = gtk.TreeViewColumn('Enabled') + layer_tv.append_column(col1) + + cell1 = CellRendererPixbufActivatable() + cell1.set_fixed_size(-1,35) + cell1.connect("clicked", self.del_cell_clicked_cb, layer_store) + col1.pack_start(cell1, True) + col1.set_cell_data_func(cell1, self.draw_delete_button_cb, layer_tv) + + add_button = gtk.Button() + add_button.set_relief(gtk.RELIEF_NONE) + box = gtk.HBox(False, 6) + box.show() + add_button.add(box) + add_button.connect("enter-notify-event", self.add_hover_cb) + add_button.connect("leave-notify-event", self.add_leave_cb) + self.im = gtk.Image() + self.im.set_from_file(hic.ICON_INDI_ADD_FILE) + self.im.show() + box.pack_start(self.im, expand=False, fill=False, padding=6) + lbl = gtk.Label("Add layer") + lbl.set_alignment(0.0, 0.5) + lbl.show() + box.pack_start(lbl, expand=True, fill=True, padding=6) + add_button.connect("clicked", self.layer_widget_add_clicked_cb, layer_store, window) + table_layer.attach(add_button, 0, 10, 1, 2, gtk.EXPAND | gtk.FILL, 0, 0, 6) + layer_tv.set_model(layer_store) + + hbox.show_all() + + return hbox, layer_store + + def drag_data_get_cb(self, treeview, context, selection, target_id, etime): + treeselection = treeview.get_selection() + model, iter = treeselection.get_selected() + data = model.get_value(iter, 0) + selection.set(selection.target, 8, data) + + def drag_data_received_cb(self, treeview, context, x, y, selection, info, etime): + model = treeview.get_model() + data = selection.data + drop_info = treeview.get_dest_row_at_pos(x, y) + if drop_info: + path, position = drop_info + iter = model.get_iter(path) + if (position == gtk.TREE_VIEW_DROP_BEFORE or position == gtk.TREE_VIEW_DROP_INTO_OR_BEFORE): + model.insert_before(iter, [data]) + else: + model.insert_after(iter, [data]) + else: + model.append([data]) + if context.action == gtk.gdk.ACTION_MOVE: + context.finish(True, True, etime) + return + + def add_hover_cb(self, button, event): + self.im.set_from_file(hic.ICON_INDI_ADD_HOVER_FILE) + + def add_leave_cb(self, button, event): + self.im.set_from_file(hic.ICON_INDI_ADD_FILE) + + def __init__(self, title, layers, layers_non_removable, all_layers, parent, flags, buttons=None): + super(LayerSelectionDialog, self).__init__(title, parent, flags, buttons) + + # class members from other objects + self.layers = layers + self.layers_non_removable = layers_non_removable + self.all_layers = all_layers + self.layers_changed = False + + # icon for remove button in TreeView + im = gtk.Image() + im.set_from_file(hic.ICON_INDI_REMOVE_FILE) + self.rem_icon = im.get_pixbuf() + + # class members for internal use + self.layer_store = None + + # create visual elements on the dialog + self.create_visual_elements() + self.connect("response", self.response_cb) + + def create_visual_elements(self): + layer_widget, self.layer_store = self.gen_layer_widget(self.layers, self.all_layers, self, None) + layer_widget.set_size_request(450, 250) + self.vbox.pack_start(layer_widget, expand=True, fill=True) + self.show_all() + + def response_cb(self, dialog, response_id): + model = self.layer_store + it = model.get_iter_first() + layers = [] + while it: + layers.append(model.get_value(it, 0)) + it = model.iter_next(it) + + self.layers_changed = (self.layers != layers) + self.layers = layers + + """ + A custom cell_data_func to draw a delete 'button' in the TreeView for layers + other than the meta layer. The deletion of which is prevented so that the + user can't shoot themselves in the foot too badly. + """ + def draw_delete_button_cb(self, col, cell, model, it, tv): + path = model.get_value(it, 0) + if path in self.layers_non_removable: + cell.set_sensitive(False) + cell.set_property('pixbuf', None) + cell.set_property('mode', gtk.CELL_RENDERER_MODE_INERT) + else: + cell.set_property('pixbuf', self.rem_icon) + cell.set_sensitive(True) + cell.set_property('mode', gtk.CELL_RENDERER_MODE_ACTIVATABLE) + + return True + + """ + A custom cell_data_func to write an extra message into the layer path cell + for the meta layer. We should inform the user that they can't remove it for + their own safety. + """ + def draw_layer_path_cb(self, col, cell, model, it): + path = model.get_value(it, 0) + if path in self.layers_non_removable: + cell.set_property('markup', "<b>It cannot be removed</b>\n%s" % path) + else: + cell.set_property('text', path) + + def del_cell_clicked_cb(self, cell, path, model): + it = model.get_iter_from_string(path) + model.remove(it) |
