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@ -14,6 +14,36 @@ def CreateElement( nodeName, attributes={} ):
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map( lambda a: node.setAttribute( *a ), attributes.items() ) |
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return node |
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def sort_multiple( arrays ): |
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"sort multiple lists (of equal size) using the first list for the sort keys" |
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tuples = zip( *arrays ) |
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tuples.sort() |
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return zip( *tuples ) |
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"""def sort_multiple( arrays, lo=0, hi=None ): |
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if hi is None: hi = len(arrays[0])-1 |
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if lo < hi: |
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p = partition( arrays, lo, hi ) |
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sort_multiple( arrays, lo, p-1 ) |
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sort_multiple( arrays, p+1, hi ) |
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return arrays |
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def partition( arrays, lo, hi ): |
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"Partition for a quick sort" |
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p = arrays[0][lo] |
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l = lo |
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z = lo+1 |
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while z <= hi: |
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if arrays[0][z] < p: |
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l += 1 |
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for array in arrays: |
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array[z], array[l] = array[l], array[z] |
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z += 1 |
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for array in arrays: |
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array[lo], array[l] = array[l], array[lo] |
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return l |
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""" |
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class Graph( object ): |
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"""=== Base object for generating SVG Graphs |
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@ -129,6 +159,11 @@ It can be called several times to add more data sets in.
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... 'title': 'Sales 2002' |
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... }) |
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""" |
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self.validate_data( data ) |
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self.process_data( data ) |
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self.data.append( conf ) |
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def validate_data( self, data ): |
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try: |
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assert( isinstance( conf['data'], ( tuple, list ) ) ) |
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except TypeError, e: |
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@ -136,9 +171,9 @@ It can be called several times to add more data sets in.
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except AssertionError: |
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if not hasattr( conf['data'], '__iter__' ): |
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raise TypeError, "conf['data'] should be tuple or list or iterable" |
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self.data.append( conf ) |
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def process_data( data ): pass |
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def clear_data( self ): |
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"""This method removes all data from the object so that you can |
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reuse it to create a new graph but with the same config options. |
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@ -270,7 +305,7 @@ of the plot area. Results in border_bottom being set."""
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if self.show_x_title: bb += self.x_title_font_size + 5 |
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self.border_bottom = bb |
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def draw_graph: |
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def draw_graph( self ): |
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transform = 'translate ( %s %s )' % ( self.border_left, self.border_top ) |
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self.graph = CreateElement( 'g', { 'transform': transform } ) |
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self.root.appendChild( self.graph ) |
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@ -278,8 +313,8 @@ of the plot area. Results in border_bottom being set."""
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self.graph.appendChild( CreateElement( 'rect', { |
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'x': '0', |
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'y': '0', |
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'width': str( self.graph_width ) |
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'height': str( self.graph_height ) |
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'width': str( self.graph_width ), |
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'height': str( self.graph_height ), |
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'class': 'graphBackground' |
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} ) ) |
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@ -316,7 +351,6 @@ Centered in the field, should be width/2. Start, 0."""
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def draw_x_labels( self ): |
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"Draw the X axis labels" |
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stagger = self.x_label_font_size + 5 |
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if self.show_x_labels: |
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label_width = self.field_width |
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@ -324,445 +358,261 @@ Centered in the field, should be width/2. Start, 0."""
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count = len( labels ) |
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labels = enumerate( iter( labels ) ) |
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start = int( !self.step_include_first_x_label ) |
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start = int( not self.step_include_first_x_label ) |
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labels = itertools.islice( labels, start, None, self.step_x_labels ) |
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map( self.draw_x_label, labels ) |
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self.draw_x_guidelines( label_width, count ) |
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def draw_x_label( self, label ): |
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def draw_x_label( self, label, label_width ): |
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index, label = label |
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text = CreateElement( 'text', { 'class': 'xAxisLabels' } ) |
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text.appendChild( self._doc.createTextNode( label ) ) |
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self.graph.appendChild( text ) |
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x = index * label_width + self.x_label_offset( label_width ) |
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y = self.graph_height + self.x_label_font_size + 3 |
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t = 0 - ( self.font_size / 2 ) |
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if self.stagger_x_labels and (index % 2 ): |
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stagger = self.x_label_font_size + 5 |
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y += stagger |
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graph_height = self.graph_height |
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path = CreateElement( 'path', { |
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'd': 'M%(x)d %(graph_height)d v%(stagger)d' % vars(), |
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'class': 'staggerGuideLine' |
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} ) |
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self.graph.appendChild( path ) |
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text.setAttribute( 'x', str( x ) ) |
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text.setAttribute( 'y', str( y ) ) |
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if self.rotate_x_labels: |
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transform = 'rotate( 90 %d %d ) translate( 0 -%d )' % \ |
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( x, y-self.x_label_font_size, x_label_font_size/4 ) |
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text.setAttribute( 'transform', transform ) |
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text.setAttribute( 'style', 'text-anchor: start' ) |
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else: |
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text.setAttribute( 'style', 'text-anchor: middle' ) |
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def y_label_offset( self, height ): |
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"""Where in the Y area the label is drawn |
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Centered in the field, should be width/2. Start, 0.""" |
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return 0 |
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def get_field_width( self ): |
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return float( self.graph_width - font_size*2*right_font ) / \ |
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( len( self.get_x_labels() ) - self.right_align ) |
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field_width = property( get_field_width ) |
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def get_field_height( self ): |
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return float( self.graph_height - self.font_size*2*self.top_font ) / \ |
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( len( self.get_y_labels() ) - self.top_align ) |
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field_height = property( self.get_field_height ) |
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def draw_y_labels( self ): |
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"Draw the Y axis labels" |
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if self.show_y_labels: |
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label_height = self.field_height |
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labels = self.get_y_labels() |
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count = len( labels ) |
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labels = enumerate( iter( labels ) ) |
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start = int( not self.step_include_first_y_label ) |
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labels = itertools.islice( labels, start, None, self.step_y_labels ) |
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map( self.draw_y_label, labels ) |
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self.draw_y_guidelines( label_height, count ) |
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def get_y_offset( self ): |
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result = self.graph_height + self.y_label_offset( self.label_height ) |
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if self.rotate_y_labels: result += self.font_size/1.2 |
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return result |
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y_offset = property( get_y_offset ) |
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def draw_y_label( self, label ): |
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index, label = label |
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text = CreateElement( 'text', { 'class': 'yAxisLabels' } ) |
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text.appendChild( self._doc.createTextNode( label ) ) |
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self.graph.appendChild( text ) |
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y = self.y_offset - ( self.label_height * index ) |
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x = {True: 0, False:-3}[self.rotate_y_labels] |
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if self.stagger_x_labels and (index % 2 ): |
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stagger = self.y_label_font_size + 5 |
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x -= stagger |
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path = CreateElement( 'path', { |
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'd': 'M%(x)d %(y)d v%(stagger)d' % vars(), |
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'class': 'staggerGuideLine' |
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} ) |
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self.graph.appendChild( path ) |
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text.setAttribute( 'x', str( x ) ) |
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text.setAttribute( 'y', str( y ) ) |
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if self.rotate_y_labels: |
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transform = 'translate( -%d 0 ) rotate ( 90 %d %d )' % \ |
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( self.font_size, x, y ) |
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text.setAttribute( 'transform', transform ) |
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text.setAttribute( 'style', 'text-anchor: middle' ) |
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else: |
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text.setAttribute( 'y', str( y - self.y_label_font_size/2 ) ) |
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text.setAttribute( 'style', 'text-anchor: middle' ) |
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def draw_x_guidelines( self, label_height, count ): |
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"Draw the X-axis guidelines" |
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# skip the first one |
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for count in range(1,count): |
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start = label_height*count |
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stop = self.graph_height |
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path = CreateElement( 'path', { |
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'd': 'M %(start)s h%(stop)s' % vars(), |
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'class': 'guideLines' } ) |
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self.graph.appendChild( path ) |
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def draw_y_guidelines( self, label_height, count ): |
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"Draw the Y-axis guidelines" |
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for count in range( 1, count ): |
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start = self.graph_height - label_height*count |
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stop = self.graph_width |
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path = CreateElement( 'path', { |
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'd': 'MO %(start)s h%(stop)s' % vars(), |
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'class': 'guideLines' } ) |
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self.graph.appendChild( path ) |
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def draw_titles( self ): |
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"Draws the graph title and subtitle" |
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if self.show_graph_title: draw_graph_title() |
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if self.show_graph_subtitle: draw_graph_subtitle() |
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if self.show_x_title: draw_x_title() |
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if self.show_y_title: draw_y_title() |
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def draw_graph_title( self ): |
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text = CreateElement( 'text', { |
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'x': str( self.width / 2 ), |
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'y': str( self.title_font_size ), |
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'class': 'mainTitle' } ) |
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text.appendChild( self._doc.createTextNode( self.graph_title ) ) |
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self.root.appendChild( text ) |
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def draw_graph_subtitle( self ): |
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raise NotImplementedError |
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draw_x_title = draw_y_title = draw_graph_subtitle |
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def keys( self ): |
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return map( operator.itemgetter( 'title' ), self.data ) |
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def draw_legend( self ): |
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if self.key: |
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group = CreateElement( 'g' ) |
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root.appendChild( group ) |
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for key_count, key_name in enumerate( self.keys() ): |
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y_offset = ( self.KEY_BOX_SIZE * key_count ) + (key_count * 5 ) |
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rect = group.CreateElement( 'rect', { |
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'x': '0', |
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'y': str( y_offset ), |
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'width': str( self.KEY_BOX_SIZE ), |
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'height': str( self.KEY_BOX_SIZE ), |
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'class': 'key%s' % key_count + 1, |
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} ) |
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group.appendChild( rect ) |
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text = group.CreateElement( 'text', { |
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'x': str( self.KEY_BOX_SIZE + 5 ), |
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'y': str( y_offset + self.KEY_BOX_SIZE ), |
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'class': 'keyText' } ) |
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text.appendChild( doc.createTextNode( key_name ) ) |
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group.appendChild( text ) |
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if self.key_position == 'right': |
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x_offset = self.graph_width, self.border_left + 10 |
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y_offset = border_top + 20 |
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if self.key_position == 'bottom': |
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raise NotImplementedError |
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group.setAttribute( 'transform', 'translate(%(x_offset)d %(y_offset)d)' % vars() ) |
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def style( self ): |
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"hard code the styles into the xml if style sheets are not used." |
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if self.no_css: |
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styles = self.parse_css() |
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for node in xpath.Evaluate( '//*[@class]', self.root ): |
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cl = node.getAttribute( 'class' ) |
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style = styles[ cl ] |
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if node.hasAttribute( 'style' ): |
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style += node.getAtrtibute( 'style' ) |
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node.setAttribute( 'style', style ) |
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def parse_css( self ): |
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"""Take a .css file (classes only please) and parse it into a dictionary |
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of class/style pairs.""" |
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css = self.get_style() |
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result = {} |
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for match in re.finditer( '^(?<names>\.(\w+)(?:\s*,\s*\.\w+)*)\s*\{(?<content>[^}]+)\}' ): |
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names = match.group_dict()['names'] |
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# apperantly, we're only interested in class names |
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names = filter( None, re.split( '\s*,?\s*\.' ) ) |
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content = match.group_dict()['content'] |
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# convert all whitespace to |
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content = re.sub( '\s+', ' ', content ) |
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for name in names: |
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result[name] = ';'.join( result[name], content ) |
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return result |
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def add_defs( self, defs ): |
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|
|
"Override and place code to add defs here" |
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|
pass |
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def start_svg( self ): |
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|
|
"Base SVG Document Creation" |
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|
|
impl = dom.getDOMImplementation() |
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|
#dt = impl.createDocumentType( 'svg', 'PUBLIC' |
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|
self._doc = impl.createDocument( None, 'svg', None ) |
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|
self.root = self._doc.getDocumentElement() |
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|
self.root = self._doc.documentElement() |
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|
if self.style_sheet: |
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|
pi = self._doc.createProcessingInstruction( 'xml-stylesheet', |
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|
|
'href="%s" type="text/css"' % self.style_sheet ) |
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|
attributes = { |
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|
'width': str( self.width ), |
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|
'height': str( self.height ), |
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|
'viewBox': '0 0 %s %s' % ( width, height ), |
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|
'xmlns': 'http://www.w3.org/2000/svg', |
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|
'xmlns:xlink': 'http://www.w3.org/1999/xlink', |
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|
'xmlns:a3': 'http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/', |
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|
'a3:scriptImplementation': 'Adobe' } |
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|
map( lambda a: self.root.setAttribute( *a ), attributes.items() ) |
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|
self.root.appendChild( self._doc.createComment( ' Created with SVG.Graph ' ) ) |
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|
self.root.appendChild( self._doc.createComment( ' SVG.Graph by Jason R. Coombs ' ) ) |
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|
self.root.appendChild( self._doc.createComment( ' Based on SVG::Graph by Sean E. Russel ' ) ) |
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|
self.root.appendChild( self._doc.createComment( ' Based on Perl SVG:TT:Graph by Leo Lapworth & Stephan Morgan ' ) ) |
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|
self.root.appendChild( self._doc.createComment( ' '+'/'*66 ) ) |
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defs = self._doc.createElement( 'defs' ) |
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self.add_defs( defs ) |
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if not self.style_sheet and not self.no_css: |
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|
self.root.appendChild( self._doc.createComment( ' include default stylesheet if none specified ' ) ) |
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|
style = CreateElement( 'style', { 'type': 'text/css' } ) |
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defs.appendChild( style ) |
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|
style.createCDataNode( self.get_style() ) |
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self.root.appendChild( self._doc.createComment( 'SVG Background' ) ) |
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rect = CreateElement( 'rect', { |
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|
'width': str( width ), |
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'height': str( height ), |
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'x': '0', |
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'y': '0', |
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'class': 'svgBackground' } ) |
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def calculate_graph_dimensions( self ): |
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self.calculate_left_margin() |
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self.calculate_right_margin() |
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self.calculate_bottom_margin() |
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self.calculate_top_margin() |
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self.graph_width = self.width - self.border_left - self.border_right |
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self.graph_height = self.height - self.border_top - self.border_bottom |
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ruby = """ |
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|
# Draws the background, axis, and labels. |
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|
def draw_graph |
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|
@graph = @root.add_element( "g", { |
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|
"transform" => "translate( #@border_left #@border_top )" |
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|
}) |
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# Background |
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@graph.add_element( "rect", { |
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"x" => "0", |
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|
"y" => "0", |
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|
"width" => @graph_width.to_s, |
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|
"height" => @graph_height.to_s, |
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|
"class" => "graphBackground" |
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}) |
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# Axis |
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@graph.add_element( "path", { |
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|
"d" => "M 0 0 v#@graph_height", |
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|
"class" => "axis", |
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|
"id" => "xAxis" |
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|
}) |
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|
@graph.add_element( "path", { |
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|
"d" => "M 0 #@graph_height h#@graph_width", |
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|
"class" => "axis", |
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"id" => "yAxis" |
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}) |
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draw_x_labels |
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draw_y_labels |
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|
end |
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# Where in the X area the label is drawn |
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|
# Centered in the field, should be width/2. Start, 0. |
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|
def x_label_offset( width ) |
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|
0 |
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|
end |
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|
def make_datapoint_text( x, y, value, style="" ) |
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|
|
if show_data_values |
|
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|
|
@foreground.add_element( "text", { |
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|
|
"x" => x.to_s, |
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|
|
"y" => y.to_s, |
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|
"class" => "dataPointLabel", |
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|
|
"style" => "#{style} stroke: #fff; stroke-width: 2;" |
|
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|
|
}).text = value.to_s |
|
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|
text = @foreground.add_element( "text", { |
|
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|
|
"x" => x.to_s, |
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|
"y" => y.to_s, |
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|
"class" => "dataPointLabel" |
|
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|
|
}) |
|
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|
|
text.text = value.to_s |
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|
|
text.attributes["style"] = style if style.length > 0 |
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|
|
end |
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|
|
end |
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|
# Draws the X axis labels |
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|
|
def draw_x_labels |
|
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|
|
stagger = x_label_font_size + 5 |
|
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|
|
if show_x_labels |
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|
|
label_width = field_width |
|
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|
|
count = 0 |
|
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|
|
for label in get_x_labels |
|
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|
|
if step_include_first_x_label == true then |
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|
|
step = count % step_x_labels |
|
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|
|
else |
|
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|
|
step = (count + 1) % step_x_labels |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
if step == 0 then |
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|
|
text = @graph.add_element( "text" ) |
|
|
|
|
text.attributes["class"] = "xAxisLabels" |
|
|
|
|
text.text = label.to_s |
|
|
|
|
|
|
|
|
|
x = count * label_width + x_label_offset( label_width ) |
|
|
|
|
y = @graph_height + x_label_font_size + 3 |
|
|
|
|
t = 0 - (font_size / 2) |
|
|
|
|
|
|
|
|
|
if stagger_x_labels and count % 2 == 1 |
|
|
|
|
y += stagger |
|
|
|
|
@graph.add_element( "path", { |
|
|
|
|
"d" => "M#{x} #@graph_height v#{stagger}", |
|
|
|
|
"class" => "staggerGuideLine" |
|
|
|
|
}) |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
text.attributes["x"] = x.to_s |
|
|
|
|
text.attributes["y"] = y.to_s |
|
|
|
|
if rotate_x_labels |
|
|
|
|
text.attributes["transform"] = |
|
|
|
|
"rotate( 90 #{x} #{y-x_label_font_size} )"+ |
|
|
|
|
" translate( 0 -#{x_label_font_size/4} )" |
|
|
|
|
text.attributes["style"] = "text-anchor: start" |
|
|
|
|
else |
|
|
|
|
text.attributes["style"] = "text-anchor: middle" |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
draw_x_guidelines( label_width, count ) if show_x_guidelines |
|
|
|
|
count += 1 |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Where in the Y area the label is drawn |
|
|
|
|
# Centered in the field, should be width/2. Start, 0. |
|
|
|
|
def y_label_offset( height ) |
|
|
|
|
0 |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def field_width |
|
|
|
|
(@graph_width.to_f - font_size*2*right_font) / |
|
|
|
|
(get_x_labels.length - right_align) |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def field_height |
|
|
|
|
(@graph_height.to_f - font_size*2*top_font) / |
|
|
|
|
(get_y_labels.length - top_align) |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Draws the Y axis labels |
|
|
|
|
def draw_y_labels |
|
|
|
|
stagger = y_label_font_size + 5 |
|
|
|
|
if show_y_labels |
|
|
|
|
label_height = field_height |
|
|
|
|
|
|
|
|
|
count = 0 |
|
|
|
|
y_offset = @graph_height + y_label_offset( label_height ) |
|
|
|
|
y_offset += font_size/1.2 unless rotate_y_labels |
|
|
|
|
for label in get_y_labels |
|
|
|
|
y = y_offset - (label_height * count) |
|
|
|
|
x = rotate_y_labels ? 0 : -3 |
|
|
|
|
|
|
|
|
|
if stagger_y_labels and count % 2 == 1 |
|
|
|
|
x -= stagger |
|
|
|
|
@graph.add_element( "path", { |
|
|
|
|
"d" => "M#{x} #{y} h#{stagger}", |
|
|
|
|
"class" => "staggerGuideLine" |
|
|
|
|
}) |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
text = @graph.add_element( "text", { |
|
|
|
|
"x" => x.to_s, |
|
|
|
|
"y" => y.to_s, |
|
|
|
|
"class" => "yAxisLabels" |
|
|
|
|
}) |
|
|
|
|
text.text = label.to_s |
|
|
|
|
if rotate_y_labels |
|
|
|
|
text.attributes["transform"] = "translate( -#{font_size} 0 ) "+ |
|
|
|
|
"rotate( 90 #{x} #{y} ) " |
|
|
|
|
text.attributes["style"] = "text-anchor: middle" |
|
|
|
|
else |
|
|
|
|
text.attributes["y"] = (y - (y_label_font_size/2)).to_s |
|
|
|
|
text.attributes["style"] = "text-anchor: end" |
|
|
|
|
end |
|
|
|
|
draw_y_guidelines( label_height, count ) if show_y_guidelines |
|
|
|
|
count += 1 |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Draws the X axis guidelines |
|
|
|
|
def draw_x_guidelines( label_height, count ) |
|
|
|
|
if count != 0 |
|
|
|
|
@graph.add_element( "path", { |
|
|
|
|
"d" => "M#{label_height*count} 0 v#@graph_height", |
|
|
|
|
"class" => "guideLines" |
|
|
|
|
}) |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Draws the Y axis guidelines |
|
|
|
|
def draw_y_guidelines( label_height, count ) |
|
|
|
|
if count != 0 |
|
|
|
|
@graph.add_element( "path", { |
|
|
|
|
"d" => "M0 #{@graph_height-(label_height*count)} h#@graph_width", |
|
|
|
|
"class" => "guideLines" |
|
|
|
|
}) |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Draws the graph title and subtitle |
|
|
|
|
def draw_titles |
|
|
|
|
if show_graph_title |
|
|
|
|
@root.add_element( "text", { |
|
|
|
|
"x" => (width / 2).to_s, |
|
|
|
|
"y" => (title_font_size).to_s, |
|
|
|
|
"class" => "mainTitle" |
|
|
|
|
}).text = graph_title.to_s |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
if show_graph_subtitle |
|
|
|
|
y_subtitle = show_graph_title ? |
|
|
|
|
title_font_size + 10 : |
|
|
|
|
subtitle_font_size |
|
|
|
|
@root.add_element("text", { |
|
|
|
|
"x" => (width / 2).to_s, |
|
|
|
|
"y" => (y_subtitle).to_s, |
|
|
|
|
"class" => "subTitle" |
|
|
|
|
}).text = graph_subtitle.to_s |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
if show_x_title |
|
|
|
|
y = @graph_height + @border_top + x_title_font_size |
|
|
|
|
if show_x_labels |
|
|
|
|
y += x_label_font_size + 5 if stagger_x_labels |
|
|
|
|
y += x_label_font_size + 5 |
|
|
|
|
end |
|
|
|
|
x = width / 2 |
|
|
|
|
|
|
|
|
|
@root.add_element("text", { |
|
|
|
|
"x" => x.to_s, |
|
|
|
|
"y" => y.to_s, |
|
|
|
|
"class" => "xAxisTitle", |
|
|
|
|
}).text = x_title.to_s |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
if show_y_title |
|
|
|
|
x = y_title_font_size + (y_title_text_direction==:bt ? 3 : -3) |
|
|
|
|
y = height / 2 |
|
|
|
|
|
|
|
|
|
text = @root.add_element("text", { |
|
|
|
|
"x" => x.to_s, |
|
|
|
|
"y" => y.to_s, |
|
|
|
|
"class" => "yAxisTitle", |
|
|
|
|
}) |
|
|
|
|
text.text = y_title.to_s |
|
|
|
|
if y_title_text_direction == :bt |
|
|
|
|
text.attributes["transform"] = "rotate( -90, #{x}, #{y} )" |
|
|
|
|
else |
|
|
|
|
text.attributes["transform"] = "rotate( 90, #{x}, #{y} )" |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
def keys |
|
|
|
|
return @data.collect{ |d| d[:title] } |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
# Draws the legend on the graph |
|
|
|
|
def draw_legend |
|
|
|
|
if key |
|
|
|
|
group = @root.add_element( "g" ) |
|
|
|
|
|
|
|
|
|
key_count = 0 |
|
|
|
|
for key_name in keys |
|
|
|
|
y_offset = (KEY_BOX_SIZE * key_count) + (key_count * 5) |
|
|
|
|
group.add_element( "rect", { |
|
|
|
|
"x" => 0.to_s, |
|
|
|
|
"y" => y_offset.to_s, |
|
|
|
|
"width" => KEY_BOX_SIZE.to_s, |
|
|
|
|
"height" => KEY_BOX_SIZE.to_s, |
|
|
|
|
"class" => "key#{key_count+1}" |
|
|
|
|
}) |
|
|
|
|
group.add_element( "text", { |
|
|
|
|
"x" => (KEY_BOX_SIZE + 5).to_s, |
|
|
|
|
"y" => (y_offset + KEY_BOX_SIZE).to_s, |
|
|
|
|
"class" => "keyText" |
|
|
|
|
}).text = key_name.to_s |
|
|
|
|
key_count += 1 |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
case key_position |
|
|
|
|
when :right |
|
|
|
|
x_offset = @graph_width + @border_left + 10 |
|
|
|
|
y_offset = @border_top + 20 |
|
|
|
|
when :bottom |
|
|
|
|
x_offset = @border_left + 20 |
|
|
|
|
y_offset = @border_top + @graph_height + 5 |
|
|
|
|
if show_x_labels |
|
|
|
|
max_x_label_height_px = rotate_x_labels ? |
|
|
|
|
get_x_labels.max{|a,b| |
|
|
|
|
a.length<=>b.length |
|
|
|
|
}.length * x_label_font_size : |
|
|
|
|
x_label_font_size |
|
|
|
|
y_offset += max_x_label_height_px |
|
|
|
|
y_offset += max_x_label_height_px + 5 if stagger_x_labels |
|
|
|
|
end |
|
|
|
|
y_offset += x_title_font_size + 5 if show_x_title |
|
|
|
|
end |
|
|
|
|
group.attributes["transform"] = "translate(#{x_offset} #{y_offset})" |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
private |
|
|
|
|
|
|
|
|
|
def sort_multiple( arrys, lo=0, hi=arrys[0].length-1 ) |
|
|
|
|
if lo < hi |
|
|
|
|
p = partition(arrys,lo,hi) |
|
|
|
|
sort_multiple(arrys, lo, p-1) |
|
|
|
|
sort_multiple(arrys, p+1, hi) |
|
|
|
|
end |
|
|
|
|
arrys |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
def partition( arrys, lo, hi ) |
|
|
|
|
p = arrys[0][lo] |
|
|
|
|
l = lo |
|
|
|
|
z = lo+1 |
|
|
|
|
while z <= hi |
|
|
|
|
if arrys[0][z] < p |
|
|
|
|
l += 1 |
|
|
|
|
arrys.each { |arry| arry[z], arry[l] = arry[l], arry[z] } |
|
|
|
|
end |
|
|
|
|
z += 1 |
|
|
|
|
end |
|
|
|
|
arrys.each { |arry| arry[lo], arry[l] = arry[l], arry[lo] } |
|
|
|
|
l |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
def style |
|
|
|
|
if no_css |
|
|
|
|
styles = parse_css |
|
|
|
|
@root.elements.each("//*[@class]") { |el| |
|
|
|
|
cl = el.attributes["class"] |
|
|
|
|
style = styles[cl] |
|
|
|
|
style += el.attributes["style"] if el.attributes["style"] |
|
|
|
|
el.attributes["style"] = style |
|
|
|
|
} |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
def parse_css |
|
|
|
|
css = get_style |
|
|
|
|
rv = {} |
|
|
|
|
while css =~ /^(\.(\w+)(?:\s*,\s*\.\w+)*)\s*\{/m |
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names_orig = names = $1 |
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css = $' |
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css =~ /([^}]+)\}/m |
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content = $1 |
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css = $' |
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nms = [] |
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while names =~ /^\s*,?\s*\.(\w+)/ |
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nms << $1 |
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names = $' |
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end |
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content = content.tr( "\n\t", " ") |
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for name in nms |
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current = rv[name] |
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current = current ? current+"; "+content : content |
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rv[name] = current.strip.squeeze(" ") |
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end |
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end |
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return rv |
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end |
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# Override and place code to add defs here |
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def add_defs defs |
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end |
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def start_svg |
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# Base document |
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@doc = Document.new |
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@doc << XMLDecl.new |
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@doc << DocType.new( %q{svg PUBLIC "-//W3C//DTD SVG 1.0//EN" } + |
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%q{"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd"} ) |
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if style_sheet && style_sheet != '' |
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@doc << ProcessingInstruction.new( "xml-stylesheet", |
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%Q{href="#{style_sheet}" type="text/css"} ) |
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end |
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@root = @doc.add_element( "svg", { |
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"width" => width.to_s, |
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"height" => height.to_s, |
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"viewBox" => "0 0 #{width} #{height}", |
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"xmlns" => "http://www.w3.org/2000/svg", |
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"xmlns:xlink" => "http://www.w3.org/1999/xlink", |
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"xmlns:a3" => "http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/", |
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"a3:scriptImplementation" => "Adobe" |
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}) |
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@root << Comment.new( " "+"\\"*66 ) |
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@root << Comment.new( " Created with SVG::Graph " ) |
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@root << Comment.new( " SVG::Graph by Sean E. Russell " ) |
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@root << Comment.new( " Losely based on SVG::TT::Graph for Perl by"+ |
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|
" Leo Lapworth & Stephan Morgan " ) |
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@root << Comment.new( " "+"/"*66 ) |
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defs = @root.add_element( "defs" ) |
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add_defs defs |
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|
if not(style_sheet && style_sheet != '') and !no_css |
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|
@root << Comment.new(" include default stylesheet if none specified ") |
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style = defs.add_element( "style", {"type"=>"text/css"} ) |
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|
style << CData.new( get_style ) |
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|
end |
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@root << Comment.new( "SVG Background" ) |
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|
@root.add_element( "rect", { |
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"width" => width.to_s, |
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"height" => height.to_s, |
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|
"x" => "0", |
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|
"y" => "0", |
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|
"class" => "svgBackground" |
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|
}) |
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|
end |
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|
def calculate_graph_dimensions |
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|
calculate_left_margin |
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|
calculate_right_margin |
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|
calculate_bottom_margin |
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|
calculate_top_margin |
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|
@graph_width = width - @border_left - @border_right |
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|
@graph_height = height - @border_top - @border_bottom |
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|
end |
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|
def get_style |
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|
return <<EOL |
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|
/* Copy from here for external style sheet */ |
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|
|
def get_style( self ): |
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|
|
return """/* Copy from here for external style sheet */ |
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|
|
.svgBackground{ |
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|
fill:#ffffff; |
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|
} |
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|
@ -843,7 +693,7 @@ ruby = """
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|
stroke-width: 0.5px; |
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|
} |
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|
|
#{get_css} |
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|
|
%s |
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|
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|
|
.keyText{ |
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|
|
fill: #000000; |
|
|
|
|
@ -853,10 +703,4 @@ ruby = """
|
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|
|
font-weight: normal; |
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|
|
} |
|
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|
|
/* End copy for external style sheet */ |
|
|
|
|
EOL |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
end |
|
|
|
|
""" |
|
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|
|
""" % self.get_css() |
SANDIA\jaraco
19 years ago