--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clients/editor/plugins/ObjectSelector.py	Mon Jun 08 16:00:02 2009 +0000
@@ -0,0 +1,400 @@
+# coding: utf-8
+
+import pychan
+from pychan import widgets, tools, attrs, internal
+from pychan.tools import callbackWithArguments
+import scripts
+import scripts.plugin as plugin
+from scripts.events import *
+from scripts.gui.action import Action
+import fife
+from fife import Color
+
+# TODO:
+# - Better event handling
+
+_DEFAULT_BASE_COLOR = internal.DEFAULT_STYLE['default']['base_color']
+_DEFAULT_SELECTION_COLOR = internal.DEFAULT_STYLE['default']['selection_color']
+_DEFAULT_COLOR_STEP = Color(10, 10, 10)
+
+class ObjectIcon(widgets.VBox):
+	""" The ObjectIcon is used to represent the object in the object selector.
+	"""	
+	ATTRIBUTES = widgets.VBox.ATTRIBUTES + [ attrs.Attr("text"), attrs.Attr("image"), attrs.BoolAttr("selected") ]
+	
+	def __init__(self,callback,**kwargs):
+		super(ObjectIcon,self).__init__(**kwargs)
+
+		self.callback = callback	
+
+		self.capture(self._mouseEntered, "mouseEntered")
+		self.capture(self._mouseExited, "mouseExited")
+		self.capture(self._mouseClicked, "mouseClicked")
+
+		vbox = widgets.VBox(padding=3)
+
+		# Icon
+		self.icon = widgets.Icon(**kwargs)
+		self.addChild(self.icon)
+
+		# Label
+		hbox = widgets.HBox(padding=1)
+		self.addChild(hbox)
+		self.label = widgets.Label(**kwargs)
+		hbox.addChild(self.label)
+
+	def _setText(self, text):
+		self.label.text = text
+		
+	def _getText(self):
+		return self.label.text
+	text = property(_getText, _setText)
+
+	def _setImage(self, image):
+		self.icon.image = image
+
+	def _getImage(self):
+		return self.icon.image
+	image = property(_getImage, _setImage)
+
+	def _setSelected(self, enabled):
+		if isinstance(self.parent, ObjectIconList):
+			if enabled == True:
+				self.parent.selected_item = self
+			else:
+				if self.selected:
+					self.parent.selected_item = None
+		
+		if self.selected:
+			self.base_color = _DEFAULT_SELECTION_COLOR
+		else:
+			self.base_color = _DEFAULT_BASE_COLOR
+
+	def _isSelected(self):
+		if isinstance(self.parent, ObjectIconList):
+			return self == self.parent.selected_item
+		return False
+	selected = property(_isSelected, _setSelected)
+
+	#--- Event handling ---#
+	def _mouseEntered(self, event):
+		self.base_color += _DEFAULT_COLOR_STEP
+
+	def _mouseExited(self, event):
+		self.base_color -= _DEFAULT_COLOR_STEP
+
+	def _mouseClicked(self, event):
+		self.selected = True
+		self.callback()
+
+class ObjectIconList(widgets.VBox):
+	ATTRIBUTES = widgets.VBox.ATTRIBUTES
+	
+	def __init__(self,**kwargs):
+		super(ObjectIconList, self).__init__(max_size=(5000,500000), **kwargs)
+		self.base_color = self.background_color
+
+		self.capture(self._keyPressed, "keyPressed")
+		#self.capture(self._keyPressed, "keyReleased")
+		self._selectedItem = None
+		self.is_focusable = True
+
+	def _keyPressed(self, event):
+		print "KeyEvent", event
+
+	def clear(self):
+		for c in reversed(self.children):
+			self.removeChild(c)
+
+	def _setSelectedItem(self, item):
+		if isinstance(item, ObjectIcon) or item is None:
+			if self._selectedItem is not None:
+				tmp = self._selectedItem
+				self._selectedItem = item
+				tmp.selected = False
+			else:
+				self._selectedItem = item	
+
+	def _getSelectedItem(self):
+		return self._selectedItem
+	selected_item = property(_getSelectedItem, _setSelectedItem)
+	
+class ObjectSelector(plugin.Plugin):
+	"""The ObjectSelector class offers a gui Widget that let's you select the object you
+	wish to use to in the editor.
+	@param engine: fife instance
+	@param map: fife.Map instance containing your map
+	@param selectNotify: callback function used to tell the editor you selected an object.
+	"""
+	def __init__(self):
+		self.editor = None
+		self.engine = None
+		self.mode = 'list' # Other mode is 'preview'
+		
+		self._enabled = False
+
+	def enable(self):
+		if self._enabled is True:
+			return
+			
+		self.editor = scripts.editor.getEditor()
+		self.engine = self.editor.getEngine()
+			
+		self._showAction = Action(u"Object selector", checkable=True)
+		scripts.gui.action.activated.connect(self.toggle, sender=self._showAction)
+		
+		self.editor._toolsMenu.addAction(self._showAction)
+		
+		events.postMapShown.connect(self.update_namespace)
+		events.onObjectSelected.connect(self.setPreview)
+		
+		self.buildGui()
+
+	def disable(self):
+		if self._enabled is False:
+			return
+			
+		self.gui.hide()
+		self.removeAllChildren()
+		
+		events.postMapShown.disconnect(self.update_namespace)
+		events.onObjectSelected.disconnect(self.setPreview)
+		
+		self.editor._toolsMenu.removeAction(self._showAction)
+
+	def isEnabled(self):
+		return self._enabled;
+
+	def getName(self):
+		return "Object selector"
+		
+
+	def buildGui(self):
+		self.gui = pychan.loadXML('gui/objectselector.xml')
+
+		# Add search field
+		self._searchfield = self.gui.findChild(name="searchField")
+		self._searchfield.capture(self._search)
+		self._searchfield.capture(self._search, "keyPressed")
+		self.gui.findChild(name="searchButton").capture(self._search)
+		
+		# Add the drop down with list of namespaces
+		self.namespaces = self.gui.findChild(name="namespaceDropdown")
+		self.namespaces.items = self.engine.getModel().getNamespaces()
+		self.namespaces.selected = 0
+
+		# TODO: Replace with SelectionEvent, once pychan supports it
+		self.namespaces.capture(self.update_namespace, "action")
+		self.namespaces.capture(self.update_namespace, "mouseWheelMovedUp")
+		self.namespaces.capture(self.update_namespace, "mouseWheelMovedDown")
+		self.namespaces.capture(self.update_namespace, "keyReleased")
+
+		# Object list
+		self.mainScrollArea = self.gui.findChild(name="mainScrollArea")
+		self.objects = None
+		if self.mode == 'list':
+			self.setTextList()
+		else: # Assuming self.mode is 'preview'
+			self.setImageList()
+
+		# Action buttons
+		self.gui.findChild(name="toggleModeButton").capture(self.toggleMode)
+		self.gui.findChild(name="closeButton").capture(self.hide)
+
+		# Preview area
+		self.gui.findChild(name="previewScrollArea").background_color = self.gui.base_color
+		self.preview = self.gui.findChild(name="previewIcon")
+		
+
+	def toggleMode(self):
+		if self.mode == 'list':
+			self.setImageList()
+			self.mode = 'preview'
+		elif self.mode == 'preview':
+			self.setTextList()
+			self.mode = 'list'
+		self.update()
+
+
+	def setImageList(self):
+		"""Sets the mainScrollArea to contain a Vbox that can be used to fill in
+		preview Images"""
+		if self.objects is not None:
+			self.mainScrollArea.removeChild(self.objects)
+		self.objects = ObjectIconList(name='list', size=(200,1000))
+		self.objects.base_color = self.mainScrollArea.background_color
+		self.mainScrollArea.addChild(self.objects)
+
+	def setTextList(self):
+		"""Sets the mainScrollArea to contain a List that can be used to fill in
+		Object names/paths"""
+		if self.objects is not None:
+			self.mainScrollArea.removeChild(self.objects)
+		self.objects = widgets.ListBox(name='list')
+		self.objects.capture(self.listEntrySelected)
+		self.mainScrollArea.addChild(self.objects)
+
+	def _search(self):
+		self.search(self._searchfield.text)
+
+	def search(self, str):
+		results = []	
+			
+		# Format search terms
+		terms = [term.lower() for term in str.split()]
+		
+		# Search
+		if len(terms) > 0:
+			namespaces = self.engine.getModel().getNamespaces()
+			for namesp in namespaces:
+				objects = self.engine.getModel().getObjects(namesp)
+				for obj in objects:
+					doAppend = True
+					for term in terms:
+						if obj.getId().lower().find(term) < 0:
+							doAppend = False
+							break
+					if doAppend:
+						results.append(obj)
+		else:
+			results = None
+		
+		if self.mode == 'list':
+			self.fillTextList(results)
+		elif self.mode == 'preview':
+			self.fillPreviewList(results)
+
+	def fillTextList(self, objects=None):
+		if objects is None:
+			if self.namespaces.selected_item is None:
+				return
+			objects = self.engine.getModel().getObjects(self.namespaces.selected_item)
+		
+		class _ListItem:
+			def __init__( self, name, namespace ):
+				self.name = name
+				self.namespace = namespace
+			def __str__( self ):
+				return self.name
+			
+		if self.namespaces.selected_item:
+			self.objects.items = [_ListItem(obj.getId(), obj.getNamespace()) for obj in objects]
+			if not self.objects.selected_item:
+				self.objects.selected = 0
+				self.listEntrySelected()
+
+	def listEntrySelected(self):
+		"""This function is used as callback for the TextList."""
+		if self.objects.selected_item:
+			object_id = self.objects.selected_item.name
+			namespace = self.objects.selected_item.namespace
+			obj = self.engine.getModel().getObject(object_id, namespace)
+			self.objectSelected(obj)
+
+	def fillPreviewList(self, objects=None):
+		self.objects.clear()
+		
+		if objects is None:
+			if self.namespaces.selected_item is None:
+				return
+			objects = self.engine.getModel().getObjects(self.namespaces.selected_item)
+		
+		for obj in objects:
+			image = self._getImage(obj)
+			if image is None:
+				print 'No image available for selected object'
+				image = ""
+
+			callback = tools.callbackWithArguments(self.objectSelected, obj)	
+			icon = ObjectIcon(callback=callback, image=image, text=unicode(obj.getId()))
+			self.objects.addChild(icon)
+			
+		if len(objects)>0:
+			objects[0].selected = True
+			self.objectSelected(objects[0])
+
+
+	def objectSelected(self, obj):
+		"""This is used as callback function to notify the editor that a new object has
+		been selected.
+		@param obj: fife.Object instance"""
+
+		self.setPreview(obj)
+		
+		self.gui.adaptLayout()
+		events.onObjectSelected.send(sender=self, object=obj)
+
+		self.objects.adaptLayout()
+		self.gui.adaptLayout()
+		
+	# Set preview image
+	def setPreview(self, object):
+		self.preview.image = self._getImage(object)
+		height = self.preview.image.getHeight();
+		if height > 200: height = 200
+		self.preview.parent.max_height = height
+
+	def update_namespace(self):
+		
+		self.namespaces.items = self.engine.getModel().getNamespaces()
+		if not self.namespaces.selected_item:
+			self.namespaces.selected = 0
+		if self.mode == 'list':
+			self.setTextList()
+		elif self.mode == 'preview':
+			self.setImageList()
+		self.update()
+
+	def update(self):
+		if self.mode == 'list':
+			self.fillTextList()
+		elif self.mode == 'preview':
+			self.fillPreviewList()
+
+		self.gui.adaptLayout()
+
+	def _getImage(self, obj):
+		""" Returns an image for the given object.
+		@param: fife.Object for which an image is to be returned
+		@return: fife.GuiImage"""
+		visual = None
+		try:
+			visual = obj.get2dGfxVisual()
+		except:
+			print 'Visual Selection created for type without a visual?'
+			raise
+
+		# Try to find a usable image
+		index = visual.getStaticImageIndexByAngle(0)
+		image = None
+		# if no static image available, try default action
+		if index == -1:
+			action = obj.getDefaultAction()
+			if action:
+				animation_id = action.get2dGfxVisual().getAnimationIndexByAngle(0)
+				animation = self.engine.getAnimationPool().getAnimation(animation_id)
+				image = animation.getFrameByTimestamp(0)
+				index = image.getPoolId()
+
+		# Construct the new GuiImage that is to be returned
+		if index != -1:
+			image = fife.GuiImage(index, self.engine.getImagePool())
+
+		return image
+
+
+	def show(self):
+		self.update_namespace()
+		self.gui.show()
+		self._showAction.setChecked(True)
+
+	def hide(self):
+		self.gui.setDocked(False)
+		self.gui.hide()
+		self._showAction.setChecked(False)
+		
+	def toggle(self):
+		if self.gui.isVisible() or self.gui.isDocked():
+			self.hide()
+		else:
+			self.show()