'bugfix'

kivyblocks/baseWidget.py

@@ -54,6 +54,7 @@ from .widgetExt.jsoncodeinput import JsonCodeInput
 from .widgetExt.inputext import FloatInput,IntegerInput, \
 		StrInput,SelectInput, BoolInput, AmountInput
 from .widgetExt.messager import Messager
+from .charts.bar import Bar
 
 if platform == 'android':
 	from .widgetExt.phonebutton import PhoneButton

kivyblocks/charts/bar.py

@@ -0,0 +1,85 @@
+from kivy.uix.widget import Widget
+from kivy.graphics import Color, Rectangle
+from kivyblocks.colorcalc import *
+from kivyblocks.charts.chart import Chart,ChartPart
+
+class BarPart(ChartPart):
+	def __init__(self,widget,pos,size,color,data_offset):
+		self.widget = widget
+		self.pos = pos
+		self.size = size
+		self.color = color
+		self.data_offset = data_offset
+
+	def collide_point(self,x,y):
+		minx = self.widget.pos[0] + self.pos[0]
+		maxx = minx + self.size[0]
+		miny = self.widget.pos[1] + self.pos[1]
+		maxy = miny + self.size[1]
+		if minx <= x and x <= maxx and \
+				miny <= y and y <= maxy:
+			return True
+		return False
+
+	def draw(self):
+		with self.widget.canvas:
+			Color(*self.color)
+			Rectangle(pos=(self.widget.pos[0] + self.pos[0],
+							self.widget.pos[1] + self.pos[1]),
+							size = self.size)
+
+	def mark(self):
+		rcolor = reverseColor(self.color)
+		rcolor.append(0.8)
+		with self.widget.canvas.after:
+			Color(*reverseColor(self.color))
+			Rectangle(pos=(self.widget.pos[0] + self.pos[0],
+							self.widget.pos[1] + self.pos[1]),
+							size = self.size)
+
+class Bar(Chart):
+	"""
+	a BAR class
+	"""
+	def __init__(self,**options):
+		"""
+		options={
+			width,
+			height,
+			title,
+			keyField,
+			valueField,
+			color1:
+			color2：
+			data=[
+				{
+					name,
+					value,
+				},{
+				}
+			]
+		}
+		"""
+		self.data = None
+		super().__init__(**options)
+
+	def data2part(self):
+		data = self.data
+		kvs = [ [i[self.options['keyField']],i[self.options['valueField']]] for i in data ]
+		m = max([i[1] for i in kvs ])
+		cnt = len(kvs)
+		points = divide([0,0],[self.width,0],cnt)
+		color1='8833ee'
+		color2='ed8234'
+		colors = divideColor(color1,color2,cnt-1)
+		for i in range(cnt):
+			h = self.height * kvs[i][1] / m
+			c = colors[i]
+			part = BarPart(self,
+						points[i],
+						(points[i+1][0] - points[i][0],h),
+						colors[i],
+						i
+					)
+			self.chartparts.append(part)
+		

kivyblocks/charts/chart.py

@@ -0,0 +1,79 @@
+from kivy.app import App
+from kivy.graphics import Color, Rectangle
+from kivy.uix.widget import Widget
+from kivyblocks.colorcalc import toArrayColor
+
+class ChartPart(object):
+	def __init__(self,pos,width,height):
+		self.pos = pos
+		self.width = width
+		self.height = height
+
+	def collide_point(self,x,y):
+		raise NotImplementedError
+
+	def draw(self):
+		raise NotImplementedError
+
+	def mark(self):
+		raise NotImplementedError
+		
+class Chart(Widget):
+	def __init__(self,**options):
+		super().__init__()
+		self.options = options
+		self.bg_color = toArrayColor(self.options.get('bg_color',[0.3,0.3,0.3,1]))
+		self.markpart = None
+		self.bind(size=self.onSize,pos=self.onSize)
+		self.register_event_type("on_press")
+
+	def unmark(self):
+		self.canvas.after.clear()
+
+	def getData(self):
+		url = self.options.get('url')
+		if url:
+			hc = App.get_running_app().hc
+			params = self.options.get('params',{})
+			d = hc.get(url,parms=param)
+			self.data = d.get('data',[])
+		else:
+			self.data = self.options.get('data',[])
+		self.chartparts = []
+
+	def on_touch_down(self,touch):
+		if touch.is_mouse_scrolling:
+			return False
+		if not self.collide_point(touch.x,touch.y):
+			return False
+		self.markpart = None
+		self.unmark()
+		for part in self.chartparts:
+			if part.collide_point(touch.x,touch.y):
+				self.markPart(part)
+				self.dispatch('on_press',self,self.data[part.data_offset])
+		return super(Chart, self).on_touch_down(touch)
+
+	def on_press(self,o,data):
+		print('data=',data)
+
+	def draw(self):
+		with self.canvas.before:
+			Color(*self.bg_color)
+			Rectangle(pos=self.pos,size=self.size)
+
+		self.canvas.clear()
+		for part in self.chartparts:
+			part.draw()
+
+	def markPart(self,part):
+		self.markpart = part
+		part.mark()
+
+	def onSize(self,o,v):
+		self.build()
+
+	def build(self):
+		self.getData()
+		self.data2part()
+		self.draw()

kivyblocks/charts/geometry.py

@@ -0,0 +1,81 @@
+import math
+import numpy as np
+
+class Point(object):
+	def __init__(self, x=0, y=0):
+		super().__init__()
+		self.x = x
+		self.y = y
+
+class Line(object):  # 直线由两个点组成    
+	def __init__(self, p1, p2):
+		if isinstance(p1,list) or isinstance(p1,tuple):
+			self.p1 = Point(*p1)
+		else:
+			self.p1 = p1
+		if isinstance(p2,list) or isinstance(p2,tuple):
+			self.p2 = Point(*p2)
+		else:
+			self.p2 = p2     
+	
+	def vector(self):
+		return self.p1.x - self.p2.x,self.p1.y - self.p2.y
+
+	def lenght(self):
+		return math.sqrt(pow((self.p1.x - self.p2.x), 2)
+					+ pow((self.p1.y - self.p2.y), 2))
+
+	def get_cross_angle(self, l):        
+		# 向量a        
+		arr_a = np.array(self.vector())
+		# 向量b        
+		arr_b = np.array(l.vector())
+		cos_value = float(arr_a.dot(arr_b)) / (np.sqrt(arr_a.dot(arr_a)) \
+						* np.sqrt(arr_b.dot(arr_b)))  
+		# 注意转成浮点数运算        
+		return np.arccos(cos_value) * (180 / np.pi)  
+		# 两个向量的夹角的角度， 
+		# 余弦值：cos_value, np.cos(para), 
+		# 其中para是弧度，不是角度
+
+class EllipseUtils(object):
+	def __init__(self,pos,size):
+		self.pos = Point(pos)
+		self.size = size
+		self.slides = []
+		super().__init__()
+
+	def split(self,data,colors):
+		self.slides = []
+		kvs = [ [i[self.options['keyField']],i[self.options['valueField']]] for i in data ]
+		total = sum([i[1] for i in kvs ])
+		start_degree = 0
+		cnt = len(kvs)
+		for i in range(cnt):
+			degree = start_degree + 360 * kvs[i][1] / total
+			self.slides.append((degress,colors[i]))
+			start_degree = degree
+		
+	def isInside(self,a,b,x,y):
+		if a>b:
+			return x**x / a**a + y**y/b**b <= 1
+		return x**x / b**b + y**y / a**a <= 1
+
+	def collide_point(self,x,y):
+		a = float(self.size[0] / 2)
+		b = float(self.size[1] / 2)
+		x = x - self.pos[0]
+		y = y - self.pos[1]
+		if not self.isInside(a,b,x,y):
+			return -1
+		start_degress = 0
+		l = Line((a,b),(a,b*2))
+		l1 = Line((a,b),(x,y))
+		degress = l.get_cross_angle(l1)
+		if x < a:
+			degress = 360 - degress
+		for i in range(len(self.slides)):
+			if start_degress <= degress and degress < self.slides[i][0]:
+				return i
+			start_degress += self.slides[i][0]
+		return -1

kivyblocks/charts/pie.py

@@ -0,0 +1,66 @@
+
+import math
+import numpy as np
+from kivy.uix.widget import Widget
+from kivyblocks.charts.geometry import EllipseUtils
+
+class PiePart(ChartPart):
+	def collide_point(self,x,y):
+		if not self.isInSideEllipse(x,y):
+			return False
+		return self.isInSidePart(x,y)
+
+	def isInSideEllipse(self,x,y):
+		a = self.width / 2
+		b = self.height / 2
+		v = x ** x / a ** a + y**y / b ** b
+		if v <= 1:
+			return True
+		return False
+
+class Pie(Widget):
+	def __init__(self,**options):
+		"""
+		options={
+			width,
+			height,
+			title,
+			keyField,
+			valueField,
+			data=[
+				{
+					name,
+					value,
+				},{
+				}
+			]
+		}
+		"""
+		self.options = options
+		self.initflag = False
+		super().__init__()
+		self.bind(size=self.onSize,pos=self.onSize)
+
+	def data2pie(self):
+		data = self.options.get('data',[])
+		kvs = [ [i[self.options['keyField']],i[self.options['valueField']]] for i in data ]
+		total = sum([i[1] for i in kvs ])
+		start_degree = 0
+		cnt = len(kvs)
+		color1='8833ee'
+		color2='ed8234'
+		colors = divideColor(color1,color2,cnt-1)
+		self.canvas.clear()
+		for i in range(cnt):
+			degree = start_degree + 360 * kvs[i][1] / total
+			with self.canvas:
+				Color(*colors[i])
+				Ellipse(pos=self.pos,
+					size=self.size,
+						angle_start=start_degree,
+						angle_end= degree)
+			start_degree = degree
+		
+	def onSize(self,o,v):
+		self.data2pie()
+

kivyblocks/colorcalc.py

@@ -7,8 +7,9 @@ import math
 
 def toArrayColor(color):
 	if isinstance(color,str):
-		sc = color
-		return get_color_from_hex(sc)
+		color = get_color_from_hex(color)
+		if len(color) == 3:
+			color.append(1)
 	return color
 	
 def distance(color1,color2):
@@ -18,6 +19,7 @@ def distance(color1,color2):
 		math.pow(abs(color2[1] - color1[1]),2) + \
 		math.pow(abs(color2[2] - color1[2]),2)
 	d = math.sqrt(x)
+	return d
 
 def reverseColor(color):
 	center = [0.5,0.5,0.5]
@@ -28,8 +30,8 @@ def reverseColor(color):
 	point= [0,0,0]
 	for i in range(3):
 		m = color[i] - center[i]
-		m1 = m * d1 / d
-		point[i] = color[i] - m1 if m < 0? color[i] + m1
+		m1 = abs(m) * d1 / d
+		point[i] = color[i] - m1 if m < 0 else color[i] + m1
 	return point
 
 #DIVIDE
@@ -50,121 +52,3 @@ def divide(point1,point2,divide_cnt):
 		ps.append(p)
 	ps.append(point2)
 	return ps
-
-class Bar(Widget):
-	"""
-	a BAR class
-	"""
-	def __init__(self,**options):
-		"""
-		options={
-			width,
-			height,
-			title,
-			keyField,
-			valueField,
-			data=[
-				{
-					name,
-					value,
-				},{
-				}
-			]
-		}
-		"""
-		self.options = options
-		self.initflag = False
-		super().__init__()
-		self.bind(size=self.onSize,pos=self.onSize)
-
-	def data2bar(self):
-		data = self.options.get('data',[])
-		kvs = [ [i[self.options['keyField']],i[self.options['valueField']]] for i in data ]
-		m = max([i[1] for i in kvs ])
-		cnt = len(kvs)
-		points = divide([0,0],[self.width,0],cnt)
-		color1='8833ee'
-		color2='ed8234'
-		colors = divideColor(color1,color2,cnt-1)
-		self.canvas.clear()
-		for i in range(cnt):
-			h = self.height * kvs[i][1] / m
-			with self.canvas:
-				Color(*colors[i])
-				Rectangle(pos=points[i],
-					size=(points[i+1][0] - points[i][0],h))
-		
-	def onSize(self,o,v):
-		self.build()
-
-	def build(self):
-		self.initflag = True
-		self.data2bar()
-
-class Pie(Widget):
-	def __init__(self,**options):
-		"""
-		options={
-			width,
-			height,
-			title,
-			keyField,
-			valueField,
-			data=[
-				{
-					name,
-					value,
-				},{
-				}
-			]
-		}
-		"""
-		self.options = options
-		self.initflag = False
-		super().__init__()
-		self.bind(size=self.onSize,pos=self.onSize)
-
-	def data2pie(self):
-		data = self.options.get('data',[])
-		kvs = [ [i[self.options['keyField']],i[self.options['valueField']]] for i in data ]
-		total = sum([i[1] for i in kvs ])
-		start_degree = 0
-		cnt = len(kvs)
-		color1='8833ee'
-		color2='ed8234'
-		colors = divideColor(color1,color2,cnt-1)
-		self.canvas.clear()
-		for i in range(cnt):
-			degree = start_degree + 360 * kvs[i][1] / total
-			with self.canvas:
-				Color(*colors[i])
-				Ellipse(pos=self.pos,
-					size=self.size,
-						angle_start=start_degree,
-						angle_end= degree)
-			start_degree = degree
-		
-	def onSize(self,o,v):
-		self.data2pie()
-
-class MyApp(App):
-	def build(self):
-		d = {
-			"keyField":"name",
-			"valueField":"value",
-			"data":[
-				{'name':'you','value':102.0},
-				{'name':'me','value':42.0},
-				{'name':'she','value':92.0},
-				{'name':'she','value':52.0},
-				{'name':'she','value':42.0},
-				{'name':'she','value':82.0},
-				{'name':'she','value':17.0},
-				{'name':'he','value':77.0}
-			]
-		}
-
-		return Pie(**d)
-
-if __name__ == '__main__':
-	MyApp().run()