import globalPluginHandler
from speech import cancelSpeech
import scriptHandler
import api
import textInfos
import speech
import globalVars
from ui import message
import wx,gui

class GlobalPlugin(globalPluginHandler.GlobalPlugin):
	def terminate(self):
		try:
			gui.initialize()
		except wx.PyDeadObjectError:
			pass

	start=None
	end=None
	def script_goToLine(self,gesture):
		d = wx.TextEntryDialog(gui.mainFrame, _("Enter the line number you wish to jump to"), _("Jump to line"))
		def callback(result):
			if result == wx.ID_OK:

				wx.CallLater(100,self.jumping, d.GetValue())
		gui.runScriptModalDialog(d, callback)
	def jumping(self,num):
		obj=api.getFocusObject()
		treeInterceptor=obj.treeInterceptor
		if hasattr(treeInterceptor,'TextInfo') and not treeInterceptor.passThrough:
			obj=treeInterceptor
		try:
			self.start =obj.makeTextInfo(textInfos.POSITION_ALL)
		except (NotImplementedError, RuntimeError):
			return
		try:
			lineCount=self.start.unitCount(textInfos.UNIT_LINE)
		except AttributeError:
			lineCount="unknown"
			pass
		if int(num)>lineCount:
			wx.CallAfter(gui.messageBox, _("This text has {0} lines. Cannot go to line {1}").format(lineCount,num), _("Error"), wx.OK|wx.ICON_ERROR)
		try:
			self.start.move(textInfos.UNIT_LINE,int(num)-1,"start")
			self.start.updateCaret()
			self.start.expand(textInfos.UNIT_LINE)
			cancelSpeech()
		except NotImplementedError:
			wx.CallAfter(gui.messageBox, _("This doesn't look like a proper text"), _("Error"), wx.OK|wx.ICON_ERROR)
			pass
		message(self.start.text)

	__gestures = {
		"kb:NVDA+shift+j": "goToLine"
	}