# Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

try:
    import pygtk
    pygtk.require("2.0")
except:
    pass

import gtk

from bzrlib.config import GlobalConfig

class PreferencesWindow(gtk.Dialog):
    """Displays global preferences windows."""
    def __init__(self, config=None):
        """ Initialize the Status window. """
        super(PreferencesWindow, self).__init__(flags=gtk.DIALOG_MODAL)
        self.set_title("Bazaar Preferences")
        self.config = config
        if self.config is None:
            self.config = GlobalConfig()
        self._create()

    def _create_mainpage(self):
        table = gtk.Table(rows=4, columns=2)
        table.set_row_spacings(6)
        table.set_col_spacings(6)

        align = gtk.Alignment(1.0, 0.5)
        label = gtk.Label()
        label.set_markup("<b>User Id:</b>")
        align.add(label)
        table.attach(align, 0, 1, 0, 1, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)
        self.username = gtk.Entry()
        align.add(self.username)
        self.username.set_text(self.config.username())
        table.attach(align, 1, 2, 0, 1, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align = gtk.Alignment(1.0, 0.5)
        label = gtk.Label()
        label.set_markup("<b>GPG signing command:</b>")
        align.add(label)
        table.attach(align, 0, 1, 1, 2, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)
        self.email = gtk.Entry()
        self.email.set_text(self.config.gpg_signing_command())
        align.add(self.email)
        table.attach(align, 1, 2, 1, 2, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align = gtk.Alignment(1.0, 0.5)
        label = gtk.Label()
        label.set_markup("<b>Check GPG Signatures:</b>")
        align.add(label)
        table.attach(align, 0, 1, 2, 3, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)
        self.check_sigs = gtk.Entry()
        self.check_sigs.set_text(self.config.signature_checking())
        align.add(self.check_sigs)
        table.attach(align, 1, 2, 2, 3, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align = gtk.Alignment(1.0, 0.5)
        label = gtk.Label()
        label.set_markup("<b>Create GPG Signatures:</b>")
        align.add(label)
        table.attach(align, 0, 1, 3, 4, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)
        self.create_sigs = gtk.Entry()
        self.create_sigs.set_text(self.config.signing_policy())
        align.add(self.create_sigs)
        table.attach(align, 1, 2, 3, 4, gtk.EXPAND | gtk.FILL, gtk.FILL)

        return table

    def _create_pluginpage(self):
        vbox = gtk.VBox(False, 2)
        vbox.set_border_width(6)

        scrolledwindow = gtk.ScrolledWindow()
        scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
        model = gtk.ListStore(str, str)
        treeview = gtk.TreeView()
        scrolledwindow.add(treeview)

        table = gtk.Table(columns=2)
        table.set_row_spacings(6)
        table.set_col_spacings(6)


        def row_selected(tv, path, tvc):
            p = bzrlib.plugin.all_plugins()[model[path][0]]
            from inspect import getdoc

            for w in table.get_children():
                table.remove(w)

            if getattr(p, '__author__', None) is not None:
                align = gtk.Alignment(1.0, 0.5)
                label = gtk.Label()
                label.set_markup("<b>Author:</b>")
                align.add(label)
                table.attach(align, 0, 1, 0, 1, gtk.FILL, gtk.FILL)
                align.show()
                label.show()

                align = gtk.Alignment(0.0, 0.5)
                author = gtk.Label()
                author.set_text(p.__author__)
                author.set_selectable(True)
                align.add(author)
                table.attach(align, 1, 2, 0, 1, gtk.EXPAND | gtk.FILL, gtk.FILL)

            if getattr(p, '__version__', None) is not None:
                align = gtk.Alignment(1.0, 0.5)
                label = gtk.Label()
                label.set_markup("<b>Version:</b>")
                align.add(label)
                table.attach(align, 0, 1, 0, 1, gtk.FILL, gtk.FILL)
                align.show()
                label.show()

                align = gtk.Alignment(0.0, 0.5)
                author = gtk.Label()
                author.set_text(p.__version__)
                author.set_selectable(True)
                align.add(author)
                table.attach(align, 1, 2, 0, 1, gtk.EXPAND | gtk.FILL, gtk.FILL)

            if getdoc(p) is not None:
                align = gtk.Alignment(0.0, 0.5)
                description = gtk.Label()
                description.set_text(getdoc(p))
                description.set_selectable(True)
                align.add(description)
                table.attach(align, 0, 2, 1, 2, gtk.EXPAND | gtk.FILL, gtk.FILL)

            table.show_all()

        treeview.set_headers_visible(False)
        treeview.set_model(model)
        treeview.connect("row-activated", row_selected)

        cell = gtk.CellRendererText()
        column = gtk.TreeViewColumn()
        column.pack_start(cell, expand=True)
        column.add_attribute(cell, "text", 0)
        treeview.append_column(column)

        cell = gtk.CellRendererText()
        column = gtk.TreeViewColumn()
        column.pack_start(cell, expand=True)
        column.add_attribute(cell, "text", 1)
        treeview.append_column(column)
        
        import bzrlib.plugin
        plugins = bzrlib.plugin.all_plugins()
        plugin_names = plugins.keys()
        plugin_names.sort()
        for name in plugin_names:
            model.append([name, getattr(plugins[name], '__file__', None)])
                 
        vbox.pack_start(scrolledwindow, expand=True, fill=True)

        vbox.pack_start(table)

        return vbox

    def _create(self):
        self.set_default_size(600, 600)
        notebook = gtk.Notebook()
        notebook.insert_page(self._create_mainpage(), gtk.Label("Main"))
        notebook.insert_page(self._create_pluginpage(), gtk.Label("Plugins"))
        self.vbox.pack_start(notebook, True, True)
        self.vbox.show_all()

    def display(self):
        self.window.show_all()

    def close(self, widget=None):
        self.window.destroy()
