def __init__(self, conf):
self.__shapeBuilder = ShapeBuilder()
self.__fontSize = conf['frame']['font']['size'];
self.__fontFamily = conf['frame']['font']['name'];
self.__alignment = conf['frame']['font']['align'];
self.__frameThickness = conf['frame']['thickness'];
self.__frameWidth = conf['frame']['width'];
self.__framePadding = conf['frame']['padding'];
self.__separatorWidth = conf['frame']['separator']['width'];
self.__textStyle = StyleBuilder()
self.__textStyle.setFontFamily(self.__fontFamily)
self.__textStyle.setFontSize(self.__fontSize.__str__() + 'px')
self.__LINE_SEPARATOR = 5;
self.__resolver = BBCodeResolver();
class NodeRenderer(object):
def __init__(self, conf):
self.__shapeBuilder = ShapeBuilder()
self.__fontSize = conf['frame']['font']['size'];
self.__fontFamily = conf['frame']['font']['name'];
self.__alignment = conf['frame']['font']['align'];
self.__frameThickness = conf['frame']['thickness'];
self.__frameWidth = conf['frame']['width'];
self.__framePadding = conf['frame']['padding'];
self.__separatorWidth = conf['frame']['separator']['width'];
self.__textStyle = StyleBuilder()
self.__textStyle.setFontFamily(self.__fontFamily)
self.__textStyle.setFontSize(self.__fontSize.__str__() + 'px')
self.__LINE_SEPARATOR = 5;
self.__resolver = BBCodeResolver();
def __createLines(self, values):
result = [];
for value in values:
if isinstance(value, basestring):
lines = self.__resolver.resolveString(value);
if isinstance(lines, list):
for line in lines:
result.append(line);
elif isinstance(value, int):
result.append(value);
else:
assert 1 == 2
return result;
def __determineLineHeight(self, isSeparator):
if isSeparator:
return self.__separatorWidth + self.__LINE_SEPARATOR;
else:
return self.__fontSize + self.__LINE_SEPARATOR;
def __determineContainterHeight(self, lines):
#TODO wrapping!
height = 0;
for line in lines:
if isinstance(line, int):
height = height + self.__determineLineHeight(True);
else:
height = height + self.__determineLineHeight(False);
return height + 2 * self.__framePadding;
def __prepareNodeContainer(self, startX, startY, width, height, isReference):
nodeGroup = g()
nodeGroup.set_style(self.__textStyle.getStyle())
if isReference:
color = 'gray';
else:
color = 'white';
rect = self.__shapeBuilder.createRect(startX, startY, width, height, strokewidth = self.__frameThickness, stroke='black', fill=color)
nodeGroup.addElement(rect)
return nodeGroup;
def render(self, node, startX, startY, isReference = False):
if node['type'] != 'node':
raise Exception("Wrong input object. Expected type: 'node'");
lines = self.__createLines(node['value']);
height = self.__determineContainterHeight(lines);
nodeContainer = self.__prepareNodeContainer(startX, startY, self.__frameWidth, height, isReference)
y = startY + self.__framePadding;
for line in lines:
if isinstance(line, int): # if int, then render horizontal line
lineHeight = self.__determineLineHeight(True);
x = startX;
separatorObj = self.__shapeBuilder.createLine(x, y, x + self.__frameWidth, y, strokewidth = self.__separatorWidth)
nodeContainer.addElement(separatorObj)
elif isinstance(line, list): #list, because line is list of bbcoded spans
lineHeight = self.__determineLineHeight(False);
x = startX + self.__framePadding;
txtObj = text(None, x, y + self.__fontSize);
for txt in line:
span = tspan();
span.appendTextContent(txt.getText());
span.setAttribute("style", txt.getStyle())
txtObj.addElement(span)
nodeContainer.addElement(txtObj)
else:
raise Exception("unsupported value type")
y = y + lineHeight;
return nodeContainer;
#pseudo static method
def getNodeHeight(self, node):
lines = self.__createLines(node['value']);
return self.__determineContainterHeight(lines);
