import gtk

from config import cfg

class Settings(gtk.Window):

    def __init__(self, parent):

        super(Settings, self).__init__(gtk.WINDOW_TOPLEVEL)

        self._parent = parent

        self.set_title('Settings')

        self.set_modal(True)

        self.set_transient_for(parent.win)

        self.set_position(gtk.WIN_POS_CENTER)

        #self.set_border_width(10)

        self.connect("key_press_event", self.on_keypress)

        self.connect("destroy", self.on_destroy)

        self.tabs = gtk.Notebook()

        self.add(self.tabs)

        ### Servers

        vbox = gtk.VBox(spacing=10)

        vbox.set_border_width(10)

        self.tabs.append_page(vbox, gtk.Label('Servers'))

        hbox = gtk.HBox(spacing=10)

        vbox.pack_start(hbox)

        sw = gtk.ScrolledWindow()

        sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)

        sw.set_shadow_type(gtk.SHADOW_IN)

        hbox.pack_start(sw)

        tree = gtk.TreeView()

        tree.set_headers_visible(False)

        sw.add(tree)

        tree.get_selection().set_mode(gtk.SELECTION_BROWSE)

        model = gtk.ListStore(str, object)

        tree.set_model(model)

        column = gtk.TreeViewColumn("Server", gtk.CellRendererText(), text=0)

        tree.append_column(column)

        tree.get_selection().connect('changed', self.item_change)

        tree.set_size_request(100, -1)

        try:

            for server in cfg.servers.server:

                if str(server.name):

                    title = '%s (%s)' % (str(server.name), str(server.host))

                else:

                    title = str(server.host)

                model.append([title, server])

        except AttributeError:

            pass

        self.itemtree = tree

        vbox = gtk.VBox(spacing=10)

        hbox.pack_start(vbox)

        table = gtk.Table(5, 2)

        table.set_row_spacings(4)

        table.set_col_spacings(10)

        vbox.pack_start(table)

        label = gtk.Label("Name:")

        label.set_alignment(0.0, 0.5)

        table.attach(label, 0, 1, 0, 1)

        entry = gtk.Entry()

        table.attach(entry, 1, 2, 0, 1)

        self.entry_name = entry

        label = gtk.Label("Host:")

        label.set_alignment(0.0, 0.5)

        table.attach(label, 0, 1, 1, 2)

        entry = gtk.Entry()

        entry.set_text('127.0.0.1')

        table.attach(entry, 1, 2, 1, 2)

        self.entry_host = entry

        label = gtk.Label("Port:")

        label.set_alignment(0.0, 0.5)

        table.attach(label, 0, 1, 2, 3)

        entry = gtk.Entry()

        entry.set_text('5432')

        table.attach(entry, 1, 2, 2, 3)

        self.entry_port = entry

        label = gtk.Label("User:")

        label.set_alignment(0.0, 0.5)

        table.attach(label, 0, 1, 3, 4)

        entry = gtk.Entry()

        entry.set_text('postgres')

        table.attach(entry, 1, 2, 3, 4)

        self.entry_user = entry

        label = gtk.Label("Password:")

        label.set_alignment(0.0, 0.5)

        table.attach(label, 0, 1, 4, 5)

        entry = gtk.Entry()

        table.attach(entry, 1, 2, 4, 5)

        self.entry_password = entry

        hbox = gtk.HBox()

        vbox.pack_start(hbox)

        btn = gtk.Button('Add')

        btn.connect('clicked', self.item_add)

        hbox.pack_start(btn)

        btn = gtk.Button('Save')

        btn.connect('clicked', self.item_save)

        hbox.pack_start(btn)

        btn = gtk.Button('Remove')

        btn.connect('clicked', self.item_remove)

        hbox.pack_start(btn)

        ### Editor

        vbox = gtk.VBox(spacing=10)

        vbox.set_border_width(10)

        self.tabs.append_page(vbox, gtk.Label('Editor'))

        self.show_all()

        self.itemtree.grab_focus()

    def item_change(self, w):

        model, sel = self.itemtree.get_selection().get_selected_rows()

        if not sel:

            return

        el, = model.get(model.get_iter(sel[0]), 1)

        self.entry_name.set_text(str(el.name))

        self.entry_host.set_text(str(el.host))

        self.entry_port.set_text(str(el.port))

        self.entry_user.set_text(str(el.user))

        self.entry_password.set_text(str(el.password))

    def item_add(self, w):

        el = cfg.add_server(

            self.entry_name.get_text(),

            self.entry_host.get_text(),

            self.entry_port.get_text(),

            self.entry_user.get_text(),

            self.entry_password.get_text())

        if str(el.name):

            title = '%s (%s)' % (str(el.name), str(el.host))

        else:

            title = str(el.host)

        iter = self.itemtree.get_model().append([title, el])

        self.itemtree.get_selection().select_iter(iter)

        cfg.save()

    def item_save(self, w):

        model, sel = self.itemtree.get_selection().get_selected_rows()

        el = cfg.servers.server[sel[0][0]]

        el.name = self.entry_name.get_text()

        el.host = self.entry_host.get_text()

        el.port = self.entry_port.get_text()

        el.user = self.entry_user.get_text()

        el.password = self.entry_password.get_text()

        cfg.save()

        if str(el.name):

            title = '%s (%s)' % (str(el.name), str(el.host))

        else:

            title = str(el.host)

        model.set(model.get_iter(sel[0]), 0, title)

    def item_remove(self, w):

        model, sel = self.itemtree.get_selection().get_selected_rows()

        model.remove(model.get_iter(sel[0]))

        if model.get_iter_first():

            self.itemtree.get_selection().select_iter(model.get_iter_first())

        del cfg.servers.server[sel[0][0]]

        cfg.save()

    def on_keypress(self, w, event):

        keyname = gtk.gdk.keyval_name(event.keyval)

        if keyname == 'Escape':

            self.destroy()

            return True

        return False

    def on_destroy(self, w):

        model, sel = self.itemtree.get_selection().get_selected_rows()

        if sel:

            sel = sel[0][0]

        else:

            sel = None

        self._parent.reload_server_list(sel)