--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/parpg/gui/dialoguegui.py	Sat May 14 01:12:35 2011 -0700
@@ -0,0 +1,165 @@
+#   This file is part of PARPG.
+
+#   PARPG 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 3 of the License, or
+#   (at your option) any later version.
+
+#   PARPG 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 PARPG.  If not, see <http://www.gnu.org/licenses/>.
+import logging
+
+from fife import fife
+from fife.extensions import pychan
+from fife.extensions.pychan import widgets
+
+from parpg.dialogueprocessor import DialogueProcessor
+
+logger = logging.getLogger('dialoguegui')
+
+class DialogueGUI(object):
+    """Window that handles the dialogues."""
+    _logger = logging.getLogger('dialoguegui.DialogueGUI')
+    
+    def __init__(self, controller, npc, quest_engine, player_character):
+        self.active = False
+        self.controller = controller
+        self.dialogue_gui = pychan.loadXML("gui/dialogue.xml")
+        self.npc = npc
+        # TODO Technomage 2010-11-10: the QuestEngine should probably be
+        #     a singleton-like object, which would avoid all of this instance
+        #     handling.
+        self.quest_engine = quest_engine
+        self.player_character = player_character
+    
+    def initiateDialogue(self):
+        """Callback for starting a quest"""
+        self.active = True
+        stats_label = self.dialogue_gui.findChild(name='stats_label')
+        stats_label.text = u'Name: John Doe\nAn unnamed one'
+        events = {
+            'end_button': self.handleEnd
+        }
+        self.dialogue_gui.mapEvents(events)
+        self.dialogue_gui.show()
+        self.setNpcName(self.npc.name)
+        self.setAvatarImage(self.npc.dialogue.avatar_path)
+        
+        game_state = {'npc': self.npc, 'pc': self.player_character,
+                      'quest': self.quest_engine}
+        try:
+            self.dialogue_processor = DialogueProcessor(self.npc.dialogue,
+                                                        game_state)
+            self.dialogue_processor.initiateDialogue()
+        except (TypeError) as error:
+            self._logger.error(str(error))
+        else:
+            self.continueDialogue()
+    
+    def setDialogueText(self, text):
+        """Set the displayed dialogue text.
+           @param text: text to display."""
+        text = unicode(text)
+        speech = self.dialogue_gui.findChild(name='speech')
+        # to append text to npc speech box, uncomment the following line
+        #speech.text = speech.text + "\n-----\n" + unicode(say)
+        speech.text = text
+        self._logger.debug('set dialogue text to "{0}"'.format(text))
+    
+    def continueDialogue(self):
+        """Display the dialogue text and responses for the current
+           L{DialogueSection}."""
+        dialogue_processor = self.dialogue_processor
+        dialogue_text = dialogue_processor.getCurrentDialogueSection().text
+        self.setDialogueText(dialogue_text)
+        self.responses = dialogue_processor.continueDialogue()
+        self.setResponses(self.responses)
+    
+    def handleEntered(self, *args):
+        """Callback for when user hovers over response label."""
+        pass
+    
+    def handleExited(self, *args):
+        """Callback for when user hovers out of response label."""
+        pass
+    
+    def handleClicked(self, *args):
+        """Handle a response being clicked."""
+        response_n = int(args[0].name.replace('response', ''))
+        response = self.responses[response_n]
+        dialogue_processor = self.dialogue_processor
+        dialogue_processor.reply(response)
+        if (not dialogue_processor.in_dialogue):
+            self.handleEnd()
+        else:
+            self.continueDialogue()
+    
+    def handleEnd(self):
+        """Handle the end of the conversation being reached, either from the
+           GUI or from within the conversation itself."""
+        self.dialogue_gui.hide()
+        self.responses = []
+        self.npc.behaviour.state = 1
+        self.npc.behaviour.idle()
+        self.active = False
+    
+    def setNpcName(self, name):
+        """Set the NPC name to display on the dialogue GUI.
+           @param name: name of the NPC to set
+           @type name: basestring"""
+        name = unicode(name)
+        stats_label = self.dialogue_gui.findChild(name='stats_label')
+        try:
+            (first_name, desc) = name.split(" ", 1)
+            stats_label.text = u'Name: ' + first_name + "\n" + desc
+        except ValueError:
+            stats_label.text = u'Name: ' + name
+        
+        self.dialogue_gui.title = name
+        self._logger.debug('set NPC name to "{0}"'.format(name))
+    
+    def setAvatarImage(self, image_path):
+        """Set the NPC avatar image to display on the dialogue GUI
+           @param image_path: filepath to the avatar image
+           @type image_path: basestring"""
+        avatar_image = self.dialogue_gui.findChild(name='npc_avatar')
+        avatar_image.image = image_path
+    
+    def setResponses(self, dialogue_responses):
+        """Creates the list of clickable response labels and sets their
+           respective on-click callbacks.
+           @param responses: list of L{DialogueResponses} from the
+               L{DialogueProcessor}
+           @type responses: list of L{DialogueResponses}"""
+        choices_list = self.dialogue_gui.findChild(name='choices_list')
+        choices_list.removeAllChildren()
+        for index, response in enumerate(dialogue_responses):
+            button = widgets.Label(
+                name="response{0}".format(index),
+                text=unicode(response.text),
+                hexpand="1",
+                min_size=(100,16),
+                max_size=(490,48),
+                position_technique='center:center'
+            )
+            button.margins = (5, 5)
+            button.background_color = fife.Color(0, 0, 0)
+            button.color = fife.Color(0, 255, 0)
+            button.border_size = 0
+            button.wrap_text = 1
+            button.capture(lambda button=button: self.handleEntered(button),
+                           event_name='mouseEntered')
+            button.capture(lambda button=button: self.handleExited(button),
+                           event_name='mouseExited')
+            button.capture(lambda button=button: self.handleClicked(button),
+                           event_name='mouseClicked')
+            choices_list.addChild(button)
+            self.dialogue_gui.adaptLayout(True)
+            self._logger.debug(
+                'added {0} to response choice list'.format(response)
+            )