Mercurial > getan > getan
view getan/view.py @ 224:c8f85809607b
Implement a more generalized ListWidget
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Fri, 05 Apr 2013 20:10:37 +0200 |
parents | aa7b1efb7689 |
children | f8571308abef |
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#!/usr/bin/env python # -*- coding: utf-8 -*- # # (c) 2010 by Ingo Weinzierl <ingo.weinzierl@intevation.de> # (c) 2012 by Björn Ricks <bjoern.ricks@intevation.de> # # This is Free Software licensed under the terms of GPLv3 or later. # For details see LICENSE coming with the source of 'getan'. # import logging import locale import urwid import urwid.raw_display from getan.nodes import ProjectNode, EntryNode from getan.resources import gettext as _ from getan.utils import human_time from getan.walker import ListWalker logger = logging.getLogger() class ListWidget(urwid.BoxWidget): node_class = None def __init__(self, title, rows, header=None, footer=None): self.title = title self.rows = [self.node_class(x) for x in rows] self.header = header self.footer = footer or urwid.Text("") self.selection = [] self.set_node_rows(self.rows) self.set_focus(0) def set_title(self, title): self.title = title self.body.set_title(self.title) def set_header(self, header): self.header = header self.frame.set_header(header) def set_footer(self, footer): self.footer = footer self.frame.set_footer(footer) def set_body(self, body): self.body = body self.frame.set_body(body) def set_focus(self, idx): self.frame.set_focus("body") self.listbox.set_focus(idx) self._invalidate() def keypress(self, size, key): logger.info("Handling keypres for %r" % self) return self.frame.keypress(size, key) def set_rows(self, rows): logger.info("ListView setting rows %s" % rows) if rows: self.rows = [self.node_class(x) for x in rows] else: self.rows = [] self.set_node_rows(self.rows) def set_node_rows(self, rows): """ Sets node_class rows in the walker """ self.walker = ListWalker(self.rows, self) self.listbox = urwid.ListBox(self.walker) self.body = urwid.LineBox(self.listbox, title=self.title) self.frame = urwid.Frame(self.body, header=self.header, footer=self.footer) self._invalidate() def render(self, size, focus=False): return self.frame.render(size, focus) def set_footer_text(self, text, attr, edit=False): if edit: logger.debug("ListWidget: set footer text (edit) = '%s'" % text) self.footer = urwid.AttrWrap(urwid.Edit(text), attr) else: logger.debug("ListWidget: set footer text = '%s'" % text) self.footer = urwid.AttrWrap(urwid.Text(text), attr) self.frame.set_footer(self.footer) def row_count(self): if not self.rows: return 0 return len(self.rows) def item_in_focus(self): node = self.node_in_focus() if node: return node.get_item() return None def node_in_focus(self): if self.rows: return self.listbox.get_focus()[0] return None def select(self): if not self.rows: return None node = self.node_in_focus() logger.info("ListWidget: select row '%s'" % node) node.select() if node.selected: self.selection.append(node) else: if node in self.selection: self.selection.pop() logger.debug("ListWidget: all selected rows: %r" % self.selection) return node def clear(self): logger.debug("EntryList: clear focus and selection of all entries.") for node in self.selection: if node.selected: node.select() self.set_focus(0) def content_focus_changed(self): pass class ProjectNode(urwid.WidgetWrap): MODES = [ (0, _('Total')), (1, _('Year')), (2, _('Month')), (3, _('Week')), (4, _('Day')) ] def __init__(self, proj, mode=3, indent=0): self.selected = False self.focus = False self.indent = indent self.mode = self.MODES[mode] self.item = proj w = self.update() self.__super.__init__(w) self.update_w() def update(self): logger.debug("Update ProjectNode '%s'" % self.item.key) time_str = self._get_formatted_time() proj_desc = self.item.desc if proj_desc is None: proj_desc = "" description = urwid.Text([' ' * self.indent, ('project_key', self.item.key), (' '), (proj_desc)], wrap="clip") if self._get_time(): time = urwid.Text('%s (%s)' % (self.mode[1], time_str)) else: time = urwid.Text('') self.widget = urwid.AttrWrap(urwid.Columns([description, time]),None) self._w = self.widget return self._w def _get_formatted_time(self): return human_time(self._get_time()) def _get_time(self): if self.mode == self.MODES[0]: return self.item.total if self.mode == self.MODES[1]: return self.item.year() if self.mode == self.MODES[2]: return self.item.month() if self.mode == self.MODES[3]: return self.item.week() if self.mode == self.MODES[4]: return self.item.day() return self.item.week() def get_item(self): return self.item def switch_time_mode(self): tmp = self.mode[0] + 1 if tmp > 4: self.mode = self.MODES[0] else: self.mode = self.MODES[tmp] self.update() def update_w(self): if self.focus: if self.selected: self._w.focus_attr = 'selected focus' self._w.attr = 'selected focus' else: self._w.focus_attr = 'focus' self._w.attr = 'focus' else: if self.selected: self._w.focus_attr = 'selected' self._w.attr = 'selected' else: self._w.focus_attr = 'body' self._w.attr = 'body' def select(self): self.selected = not self.selected self.update_w() class ProjectList(ListWidget): PROJECT_MODES = { 0: "id", 1: "key", 2: "desc", 3: "tree", } def __init__(self, controller, rows): self.selection = [] self.size = () self.top = 0 self.controller = controller self.project_mode = 0 self.set_raw_rows(rows) super(ProjectList, self).__init__("Projects", rows) self.create_node_rows() self._total_time() def load_rows(self, rows): self.set_raw_rows(rows) self.update_rows() def set_raw_rows(self, rows): self.raw_rows = rows def update_rows(self): self.create_node_rows() self.set_node_rows(self.rows) def create_node_rows(self): """ Sets self.rows to node_class rows depending on the project_mode """ if self.project_mode == 3: self.rows = self.create_project_tree() else: self.rows = self.create_project_list() self.listbox = urwid.ListBox(urwid.SimpleListWalker(self.rows)) def create_project_list(self): return [ProjectNode(x) for x in sorted(self.raw_rows, key=lambda row: self._get_project_sort_key(row))] def create_project_tree(self): # create a simple one child tree until now # this should be extended and improved in future nodes = [] keys = [] for proj in sorted(self.raw_rows, key=lambda proj: proj.key): k = proj.key[0] if k in keys: nodes.append(ProjectNode(proj, indent=3)) else: keys.append(k) nodes.append(ProjectNode(proj)) return nodes def _get_project_sort_key(self, proj): return getattr(proj, self.PROJECT_MODES[self.project_mode]) def _total_time(self): if not self.rows: return logger.debug("ProjectList: update projects total time.") total = 0 for proj in self.rows: tmp = proj._get_time() if tmp and type(tmp) == int: total += tmp self.set_footer_info("All projects: %s %s" % (proj.mode[1], human_time(total)), "project_footer") def set_footer_info(self, text, attr): logger.debug("ProjectList: set_footer_info to '%s'" % text) self._footer_info = (text, attr) self.set_footer_text(text, attr, False) def reset_footer(self): logger.debug("ProjectList: reset_footer to '%s'" % self._footer_info[0]) self.set_footer_text(*self._footer_info) def switch_time_mode(self): logger.debug("ProjectList: switch time mode now.") for proj in self.rows: proj.switch_time_mode() self._total_time() self.controller.loop.draw_screen() def unhandled_keypress(self, key): logger.debug("ProjectList: unhandled keypress '%r'" % key) def select_project(self, project): for proj_node in self.rows: if proj_node.item.key == project.key: idx = self.rows.index(proj_node) self.set_focus(idx) self.select() break def switch_project_order(self): self.project_mode += 1 if self.project_mode >= len(self.PROJECT_MODES): self.project_mode = 0 logger.debug("Switching project mode to %s" % self.project_mode) self.update_rows() self.set_focus(0) class EntryNode(urwid.WidgetWrap): def __init__(self, entry): self.selected = False self.focus = False self.item = entry w = self.update() self.__super.__init__(w) self.update_w() def update(self): logger.debug("EntryNode: update entry '%s'." % self.item.desc) row = urwid.Text(' %s [%s] %s' \ % (format_datetime(self.item.start), short_time(self.item.duration().seconds), self.item.desc), wrap='clip') self.widget = urwid.AttrWrap(row, None) self._w = self.widget self.update_w() return self._w def update_w(self): if self.focus: if self.selected: self._w.focus_attr = 'selected focus entry' self._w.attr = 'selected focus entry' else: self._w.focus_attr = 'focus entry' self._w.attr = 'focus entry' else: if self.selected: self._w.focus_attr = 'selected entry' self._w.attr = 'selected entry' else: self._w.focus_attr = 'entry body' self._w.attr = 'entry body' def select(self): logger.debug("EntryNode: update selection of entry '%s'" % self.item.desc) self.selected = not self.selected self.update_w() def get_item(self): return self.item class EntryList(ListWidget): def __init__(self, rows): self.selection = [] self.top = 0 self.size = () self.focused = 0 self.rows = [EntryNode(x) for x in rows] listbox = urwid.ListBox(urwid.SimpleListWalker(self.rows)) self.body = urwid.LineBox(urwid.Padding(urwid.AttrWrap( listbox, 'entry_body'), ('fixed left', 1), ('fixed right', 1))) self.header = urwid.LineBox(urwid.AttrWrap(urwid.Text( "\n%s\n" % _('Last entries')),'entry_header')) self.footer = urwid.AttrWrap(urwid.Text(""), 'entry_footer') self.frame = urwid.Frame(self.body, header=self.header, footer=self.footer) def set_rows(self, rows): if rows: self.rows = [EntryNode(x) for x in rows] else: self.rows = [] self._update_view() class GetanView(urwid.WidgetWrap): palette = [ ('header', 'white', 'dark blue'), ('project_header', 'white', 'dark cyan'), ('entry_header', 'white', 'dark cyan'), ('footer', 'yellow', 'dark blue'), ('entry_footer', 'white', 'dark blue'), ('project_footer', 'white', 'dark blue'), ('project_key', 'black', 'dark cyan'), ('body', 'white', 'black'), ('entry body', 'white', 'dark blue'), ('entries', 'white', 'black'), ('entry_body', 'white', 'dark blue'), ('focused entry', 'white', 'dark cyan'), ('selected entry', 'yellow', 'light cyan'), ('selected focus entry', 'yellow', 'dark cyan'), ('info', 'white', 'dark red'), ('focus', 'white', 'dark blue'), ('selected', 'black', 'light green'), ('selected focus', 'yellow', 'dark cyan'), ('question', 'white', 'dark red'), ('running', 'yellow', 'dark green'), ('paused_running', 'white', 'dark red'), ] def __init__(self, controller, proj_list, entr_list): encoding = locale.getpreferredencoding() urwid.set_encoding(encoding) logger.debug("used encoding: %s" % encoding) self.controller = controller self.proj_list = proj_list self.entr_list = entr_list self.columns = urwid.Columns([ urwid.Padding(self.proj_list, ('fixed left',0),('fixed right',1)), self.entr_list], 0) self.header = urwid.AttrWrap(urwid.Text('%s\n' % _('.: getan :.')), 'header') self.footer = urwid.AttrWrap(urwid.Text(_('Choose a project:')), 'question') self.col_list = self.columns.widget_list view = urwid.AttrWrap(self.columns, 'body') self.view = urwid.Frame(view, header=self.header,footer=self.footer) self._w = self.view def get_frame(self): return self.view def set_footer_text(self, text, attr, edit=False): if edit: logger.debug("GetanView: set footer text (edit): '%s'" % text) self.view.set_footer(urwid.AttrWrap(urwid.Edit(text),attr)) else: logger.debug("GetanView: set footer text: '%s'" % text) self.view.set_footer(urwid.AttrWrap(urwid.Text(text),attr)) def get_palette(self): return self.palette def keypress(self, size, key): self.controller.state.keypress(size, key) def update_entries(self, entries): self.entr_list.set_rows(entries) def set_focus(self, column): self.columns.set_focus_column(column)