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tag: 0.8.1a
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# Copyright (C) 2009 Johan Wouters
from pyjamas import DOM
from pyjamas.ui.FocusWidget import FocusWidget
from pyjamas.ui.HTML import HTML
from pyjamas.ui.RootPanel import RootPanel
from pyjamas.ui.Frame import Frame
class svgWindow(FocusWidget):
def __init__(self, className=None):
element = DOM.createIFrame()
FocusWidget.__init__(self,element)
self.floorplan_file = "floorplan.svg"
#DOM.setStyleAttribute(element, "position", "relative")
#DOM.setStyleAttribute(element, "overflow", "hidden")
#DOM.setStyleAttribute(element, "border", "1px")
#DOM.setStyleAttribute(element, "width", "100px")
#DOM.setStyleAttribute(element, "height", "100px")
#DOM.setStyleAttribute(element, "backgroundColor", "lightblue")
self.svg_area = element
self.rot_deg = 0.0
self.scale = 1.0
self.x_translate = 0.0
self.y_translate = 0.0
self.draw_elements()
self.svg_area.setAttribute("class", className)
def apply_transform(self):
rot_string = "rotate(%f)" % self.rot_deg
scale_string = "scale(%f)" % self.scale
translate_string = "translate(%f," % self.x_translate
translate_string+= "%f)" % self.y_translate
transform_string = rot_string
transform_string = transform_string + " " + scale_string
transform_string = transform_string + " " + translate_string
svg_g = self.svg_area.contentDocument.getElementById("svg_transform_element")
RootPanel().add(HTML("transform_string = %s" % transform_string))
transform = svg_g.getAttribute("transform")
svg_g.setAttribute("transform", transform_string)
def scale(self, scale):
self.scale = scale
self.apply_transform()
def rotate(self, degrees):
self.rot_deg = degrees
self.apply_transform()
def translate(self, x, y):
self.x_translate = x
self.y_translate = y
self.apply_transform()
def reset_transforms(self):
self.rot_deg = 0.0
self.scale = 1.0
self.x_translate = 0.0
self.y_translate = 0.0
self.apply_transform()
# Convenience functions
def zoom_in(self):
self.scale+=0.5
self.apply_transform()
def zoom_out(self):
self.scale-=0.5
self.apply_transform()
def rot_CW(self):
self.rot_deg+=30
self.apply_transform()
def rot_CCW(self):
self.rot_deg-=30
self.apply_transform()
def change_floorplan(self):
if self.floorplan_file == "floorplan.svg":
self.floorplan_file = "floorplan2.svg"
else:
self.floorplan_file = "floorplan.svg"
self.svg_area.setAttribute("src",self.floorplan_file)
def draw_elements(self):
# Some dummy stuff to get an SVG
svg_method = 2
if(svg_method == 0):
DOM.setInnerHTML(self.svg_area, '''
<object data="floorplan.svg" type="image/svg+xml width="100%" height="100%" />
''')
elif(svg_method == 1):
DOM.setInnerHTML(self.svg_area, '''
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid slice" id="the_svg" >
<g id="svg_transform_element" transform="">
<circle id="thedot" cx="50" cy="50" r="10" fill="red" />
<polygon id="triangle" points="2,20 22,20 12,40" fill="black" stroke="blue" stroke-width="1" />
</g>
</svg>
''')
elif(svg_method == 2):
self.svg_area.setAttribute("src",self.floorplan_file)
DOM.setAttribute(self.svg_area,"id","my_div_svg_area")
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