class ButtonHandler():
CURRENT_COLOR = "black"
##
# Funcao init
# @param canvas : main canvas where we will draw
def __init__(self,canvas):
self.botoesHandlers = {}
self.botoesColors = {}
self.canvas = canvas
self.EVENT_COLORS = {
"white": self.white,
"black": self.black,
"red": self.red,
"green": self.green,
"blue": self.blue,
"cyan": self.cyan,
"yellow": self.yellow,
"magenta": self.magenta
}
##
# Funcao de criacao dos botaos de cor
# @param frame : Frame onde criar os botaos
def addBtColors(self,frame):
self.botoesColors = {}
indice=0
for i in self.EVENT_COLORS:
self.botoesColors[i] = Button(frame,background=i)
self.botoesColors[i].bind("<Button-1>",self.EVENT_COLORS[i])
self.botoesColors[i].grid(row=0,column=indice)
self.botoesColors[i]['relief'] = RAISED
indice=indice+1
##
# Defini branco como current color
# @param event : Tk event
def white(self,event):
self.CURRENT_COLOR = "white"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini preto como current color
# @param event : Tk event
def black(self,event):
self.CURRENT_COLOR = "black"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini vermelho como current color
# @param event : Tk event
def red(self,event):
self.CURRENT_COLOR = "red"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini verde como current color
# @param event : Tk event
def green(self,event):
self.CURRENT_COLOR = "green"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini azul como current color
# @param event : Tk event
def blue(self,event):
self.CURRENT_COLOR = "blue"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini ciano como current color
# @param event : Tk event
def cyan(self,event):
self.CURRENT_COLOR = "cyan"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini amarelo como current color
# @param event : Tk event
def yellow(self,event):
self.CURRENT_COLOR = "yellow"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini magenta como current color
# @param event : Tk event
def magenta(self,event):
self.CURRENT_COLOR = "magenta"
self.desabilitaBotoes(self.CURRENT_COLOR)
self.atribuiCor()
##
# Defini CURRENT_COLOR como current color em os modules
def atribuiCor(self):
if hasattr(self,"designer"):
self.designer.CURRENT_COLOR = self.CURRENT_COLOR
if hasattr(self,"writer"):
self.writer.CURRENT_COLOR = self.CURRENT_COLOR
if hasattr(self,"painter"):
self.painter.CURRENT_COLOR = self.CURRENT_COLOR
if hasattr(self,"elipse"):
self.elipse.CURRENT_COLOR = self.CURRENT_COLOR
if hasattr(self,"retangulo"):
self.retangulo.CURRENT_COLOR = self.CURRENT_COLOR
##
# Defini o botao Design e instancia o objeto Designer
# @param botao : o botao desenho
#
def addBtDesign(self,botao):
self.botoesHandlers['desenho'] = botao
self.botoesHandlers['desenho'].bind("<Button-1>",self.desenhar)
self.botoesHandlers['desenho'].grid(row=2,column=1)
self.designer = Designer(self.canvas)
##
# Defini o botao Texto e instancia o objeto Writer
# @param botao : o botao texto
#
def addBtText(self,botao):
self.botoesHandlers['texto'] = botao
self.botoesHandlers['texto'].bind("<Button-1>",self.escrever)
self.botoesHandlers['texto'].grid(row=3,column=1)
self.writer = Writer(self.canvas)
##
# Defini o botao selecionar e instancia o objeto Selector
# @param botao : o botao selecionar
#
def addBtSelection(self,botao):
self.botoesHandlers['selecionar'] = botao
self.botoesHandlers['selecionar'].bind("<Button-1>",self.selecionar)
self.botoesHandlers['selecionar'].grid(row=4,column=1)
self.selector = Selector(self.canvas)
self.botoesHandlers['selecionar']['relief'] = SUNKEN
self.selector.addEvents()
##
# Defini o botao pintar e instancia o objeto Painter
# @param botao : o botao pintar
#
def addBtPaint(self,botao):
self.botoesHandlers['pintar'] = botao
self.botoesHandlers['pintar'].bind("<Button-1>",self.pintar)
self.botoesHandlers['pintar'].grid(row=5,column=1)
self.painter = Painter(self.canvas)
##
# Defini o botao elipse e instancia o objeto Elipse
# @param botao : o botao elipse
def addBtOval(self,botao):
self.botoesHandlers['elipse'] = botao
self.botoesHandlers['elipse'].bind("<Button-1>",self.elipseF)
self.botoesHandlers['elipse'].grid(row=6,column=1)
self.elipse = Elipse(self.canvas)
def addBtLine(self,botao):
self.botoesHandlers['reta'] = botao
self.botoesHandlers['reta'].bind("<Button-1>",self.funcao_reta)
self.botoesHandlers['reta'].grid(row=7,column=1)
self.reta = Line(self.canvas)
def addBtRectangule(self,botao):
self.botoesHandlers['retangulo'] = botao
self.botoesHandlers['retangulo'].bind("<Button-1>",self.retanguloF)
self.botoesHandlers['retangulo'].grid(row=8,column=1)
self.retangulo = Rectangule(self.canvas)
##
# Retira os eventos
#
def retiraEventos(self):
#self.canvas.unbind_all(('<B1-Motion>','<ButtonRelease-1>','<1>','<Double-Button-1>','<Key>'))
self.canvas.unbind('<B1-Motion>')
self.canvas.unbind('<ButtonRelease-1>')
self.canvas.unbind('<1>')
self.canvas.unbind('<Double-Button-1>')
self.canvas.unbind('<Key>')
##
# Desabilita o botao
# @param botao : o botao
#
def desabilitaBotoes(self,botao):
listaBotoes=[]
if botao in self.botoesHandlers:
listaBotoes = self.botoesHandlers
else:
listaBotoes = self.botoesColors
for i in listaBotoes:
if i != botao:
if listaBotoes[i]["relief"] == SUNKEN:
listaBotoes[i]['relief'] = RAISED
##
# Manipula o botao
# @param botao : o botao a manipular
#
def manipulaBotao(self,botao):
if self.botoesHandlers[botao]["relief"] == RAISED:
self.retiraEventos()
self.desabilitaBotoes(botao)
self.botoesHandlers[botao]['relief'] = SUNKEN
##
# Chamada a funcao do Designer
# @param event : Tk event
#
def desenhar(self,event):
self.manipulaBotao('desenho')
self.designer.addEvents()
##
# Chamada a funcao do Writer
# @param event : Tk event
#
def escrever(self,event):
self.manipulaBotao('texto')
self.writer.addEvents()
##
# Chamada a funcao do Selector
# @param event : Tk event
#
def selecionar(self,event):
self.manipulaBotao('selecionar')
self.selector.addEvents()
##
# Chamada a funcao do Painter
# @param event : Tk event
#
def pintar(self,event):
self.manipulaBotao('pintar')
self.painter.addEvents()
##
# Chamada a funcao do Elipse
# @param event : Tk event
#
def elipseF(self,event):
self.manipulaBotao('elipse')
self.elipse.addEvents()
##
# Chamada a funcao do Rectangulo
# @param event : Tk event
#
def retanguloF(self,event):
self.manipulaBotao('retangulo')
self.retangulo.addEvents()
##
# Chamada a funcao da Reta
# @param event : Tk event
#
def funcao_reta(self,event):
self.manipulaBotao('reta')
self.reta.addEvents()
def addBtPaint(self,botao):
self.botoesHandlers['pintar'] = botao
self.botoesHandlers['pintar'].bind("<Button-1>",self.pintar)
self.botoesHandlers['pintar'].grid(row=5,column=1)
self.painter = Painter(self.canvas)