# ResourceThought.py
# This file is part of Labyrinth
#
# Copyright (C) 2008 - Labyrinth-Dev-Team
#
# Labyrinth 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.
#
# Labyrinth 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 Labyrinth; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA  02110-1301  USA
#

import gtk
import pango
import utils
import BaseThought, TextThought
import prefs
import UndoManager
import os
import webbrowser
import gettext
_ = gettext.gettext

class ResourceThought (TextThought.TextThought):
	def __init__ (self, coords, pango_context, thought_number, save, undo, loading, background_color, foreground_color):
		super (ResourceThought, self).__init__(coords, pango_context, thought_number, save, undo, loading, background_color, foreground_color, "res_thought")

		self.uri = ""

		# TODO: we should handle such things with a singleton
		self.glade = gtk.glade.XML(utils.get_data_file_name('labyrinth.glade'))
		self.dialog = self.glade.get_widget('ResourceChooserDialog')
		self.dialog.add_buttons(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
			gtk.STOCK_OK, gtk.RESPONSE_OK)

		if not loading:
			self.process_uri_dialog()
			
		self.all_okay = True

	def process_uri_dialog(self, initial=True):
		res = self.dialog.run()
		self.dialog.hide()

		if res == gtk.RESPONSE_OK:
			# FIXME: validate input
			self.uri = self.glade.get_widget('urlEntry').get_text()
			if initial:
				self.add_text(self.uri)
			self.rebuild_byte_table()

	def process_button_down (self, event, mode, transformed):
		modifiers = gtk.accelerator_get_default_mod_mask ()
		if event.type == gtk.gdk.BUTTON_PRESS and not self.editing:
			self.emit ("select_thought", event.state & modifiers)
		if event.button == 1 and mode == BaseThought.MODE_TEXT and event.type == gtk.gdk._2BUTTON_PRESS:
			if self.uri.find("http://") == -1:
				webbrowser.open("http://" + self.uri)
			else:
				webbrowser.open(self.uri)
		elif event.button == 3:
			self.emit ("popup_requested", event, 1)
			
	def update_save (self):
		super(ResourceThought, self).update_save()
		self.element.setAttribute ("uri", self.uri)
		
	def load (self, node):
		super(ResourceThought, self).load(node)
		self.uri = node.getAttribute ("uri")
		self.glade.get_widget('urlEntry').set_text(self.uri)
		
	def draw (self, context):
		if not self.layout:
			self.recalc_edges ()
		if not self.editing:
			if not self.ul or not self.lr:
				print "Warning: Trying to draw unfinished box "+str(self.identity)+". Aborting."
				return
			utils.draw_thought_extended (context, self.ul, self.lr, \
				self.am_selected, self.am_primary, self.background_color, False, True)
		else:
			ux, uy = self.ul
			if prefs.get_direction() == gtk.TEXT_DIR_LTR:
				context.move_to (ux, uy+5)
				context.line_to (ux, uy)
				context.line_to (ux+5, uy)
			else:
				lx = self.lr[0]
				context.move_to (lx, uy+5)
				context.line_to (lx, uy)
				context.line_to (lx-5, uy)
			context.stroke ()

		(textx, texty) = (self.text_location[0], self.text_location[1])
		r, g, b = utils.gtk_to_cairo_color(self.foreground_color)
		context.set_source_rgb (r, g, b)
		context.move_to (textx, texty)
		context.show_layout (self.layout)
		if self.editing:
			if self.preedit:
				(strong, weak) = self.layout.get_cursor_pos (self.index + self.preedit[2])
			else:
				(strong, weak) = self.layout.get_cursor_pos (self.index)
			(startx, starty, curx,cury) = strong
			startx /= pango.SCALE
			starty /= pango.SCALE
			curx /= pango.SCALE
			cury /= pango.SCALE
			context.move_to (textx + startx, texty + starty)
			context.line_to (textx + startx, texty + starty + cury)
			context.stroke ()
		context.set_source_rgb (0,0,0)
		context.stroke ()
		
	def get_popup_menu_items(self):
		image = gtk.Image()
		image.set_from_stock(gtk.STOCK_EDIT, gtk.ICON_SIZE_MENU)
		edit_item = gtk.ImageMenuItem(_('Edit Text'))
		edit_item.set_image(image)
		edit_item.connect('activate', self.edit_cb)
		image = gtk.Image()
		image.set_from_stock(gtk.STOCK_NETWORK, gtk.ICON_SIZE_MENU)
		uri_item = gtk.ImageMenuItem(_('Edit URI'))
		uri_item.set_image(image)
		uri_item.connect('activate', self.edit_uri_cb)
		return [edit_item, uri_item]
		
	def edit_cb(self, widget):
		self.emit ("begin_editing")
		
	def edit_uri_cb(self, widget):
		self.process_uri_dialog(False)