Toolips represent

pygal/config.py

@@ -84,6 +84,10 @@ class Config(object):
     zero = 0
     # Text to display when no data is given
     no_data_text = "No data"
+    # Print values when graph is in non interactive mode
+    print_values = True
+    # Print zeroes when graph is in non interactive mode
+    print_zeroes = False
 
     def __init__(self, **kwargs):
         """Can be instanciated with config kwargs"""

pygal/css/graph.css

@@ -49,6 +49,10 @@ text.no_data {
   fill-opacity: 0;
 }
 
+.centered {
+  text-anchor: middle;
+}
+
 .title {
   fill: {{ style.foreground_light }};
   font-size: {{ font_sizes.title }};
@@ -56,7 +60,7 @@ text.no_data {
 }
 
 .legends .legend text {
-  font-family: monospace;  
+  font-family: monospace;
   font-size: {{ font_sizes.legend }};
   fill: {{ style.foreground }};
   fill-opacity: 1;

pygal/graph/bar.py

@@ -74,17 +74,25 @@ class Bar(Graph):
                 width=bar_inner_width,
                 height=height,
                 class_='rect reactive tooltip-trigger')
-            self.svg.node(bar, 'desc').text = val
+            self.svg.node(bar, 'desc', class_="values").text = val
+            self.svg.node(bar, 'desc',
+                          class_="x centered"
+            ).text = str(x + bar_inner_width / 2.)
+            self.svg.node(bar, 'desc',
+                          class_="y centered"
+            ).text = str(y + height / 2.)
             if self._horizontal:
                 x += .3 * self.value_font_size
                 y += height / 2
             else:
                 y += height / 2 + .3 * self.value_font_size
-            self.svg.transposable_node(
-                serie_node['text_overlay'], 'text',
-                x=x + bar_inner_width / 2,
-                y=y - shift
-            ).text = val
+            if self.print_values:
+                self.svg.transposable_node(
+                    serie_node['text_overlay'], 'text',
+                    class_='centered',
+                    x=x + bar_inner_width / 2,
+                    y=y - shift
+                ).text = val if self.print_zeroes or val != '0' else ''
         return stack_vals
 
     def _compute(self):

pygal/graph/line.py

@@ -50,11 +50,15 @@ class Line(Graph):
                 val = self._get_value(serie.points, i)
                 self.svg.node(dots, 'circle', cx=x, cy=y, r=2.5,
                               class_='dot reactive tooltip-trigger')
-                self.svg.node(dots, 'desc').text = val
-                self.svg.node(serie_node['text_overlay'], 'text',
-                              x=x + self.value_font_size,
-                              y=y + self.value_font_size,
-                ).text = val
+                self.svg.node(dots, 'desc', class_="value").text = val
+                self.svg.node(dots, 'desc', class_="x").text = str(x)
+                self.svg.node(dots, 'desc', class_="y").text = str(y)
+                if self.print_values:
+                    self.svg.node(
+                        serie_node['text_overlay'], 'text',
+                        x=x + self.value_font_size,
+                        y=y + self.value_font_size,
+                    ).text = val
 
         if self.stroke:
             if self.interpolate:

pygal/graph/pie.py

@@ -65,15 +65,17 @@ class Pie(Graph):
         tooltip_position = map(
             str, diff(center, project(
                 (r + small_r) / 2., start_angle + angle / 2.)))
-        self.svg.node(slice_, 'desc', class_="x").text = tooltip_position[0]
-        self.svg.node(slice_, 'desc', class_="y").text = tooltip_position[1]
-
-        text_angle = pi / 2. - (start_angle + angle / 2.)
-        text_r = r * .95
-        self.svg.node(serie_node['text_overlay'], 'text',
-                      x=center[0] + text_r * cos(text_angle),
-                      y=center[1] - text_r * sin(text_angle)
-        ).text = val
+        self.svg.node(slice_, 'desc',
+                      class_="x centered").text = tooltip_position[0]
+        self.svg.node(slice_, 'desc',
+                      class_="y centered").text = tooltip_position[1]
+        if self.print_values:
+            self.svg.node(
+                serie_node['text_overlay'], 'text',
+                class_='centered',
+                x=tooltip_position[0],
+                y=tooltip_position[1]
+            ).text = val if self.print_zeroes or val != '0%' else ''
 
     def _compute(self):
         for serie in self.series:

pygal/js/graph.coffee

@@ -4,11 +4,18 @@ padding = 5
 tooltip_timeout = 0
 tooltip_font_size = parseInt("{{ font_sizes.tooltip }}")
 
+has_class = (e, class_name) ->
+    return if not e
+    cn = e.getAttribute('class').split(' ')
+    for cls, i in cn
+        if cls == class_name
+            return true
+    false
 
 add_class = (e, class_name) ->
     return if not e
     cn = e.getAttribute('class').split(' ')
-    if class_name not in cn
+    if not has_class(e, class_name)
         cn.push(class_name)
     e.setAttribute('class', cn.join(' '))
 
@@ -52,8 +59,15 @@ tooltip = (elt) ->
     _rect.setAttribute('height', h)
     _text.setAttribute('x', padding)
     _text.setAttribute('y', padding + tooltip_font_size)
-    x = value.nextElementSibling.textContent - w / 2
-    y = value.nextElementSibling.nextElementSibling.textContent - h / 2
+    x_elt = value.nextElementSibling
+    y_elt = x_elt.nextElementSibling
+    x = x_elt.textContent
+    if has_class(x_elt, 'centered')
+        x -= w / 2
+
+    y = y_elt.textContent
+    if has_class(y_elt, 'centered')
+        y -= h / 2
     _tooltip.setAttribute('transform', "translate(#{x} #{y})")
 
 untooltip = ->
@@ -70,11 +84,11 @@ untooltip = ->
             for element in _('.text-overlay .serie-' + num)
                 element.setAttribute('display', 'inline')
             for element in _('.serie-' + num + ' .reactive')
-                activate(element, reactive(element))), (
+                activate(element)), (
         ->
             num = this.id.replace('activate-serie-', '')
             for element in _('.text-overlay .serie-' + num)
                 element.setAttribute('display', 'none')
             for element in _('.serie-' + num + ' .reactive')
-                deactivate(element, reactive(element)))
+                deactivate(element))
     hover _('.tooltip-trigger'), (-> tooltip(@)), (-> untooltip())

pygal/js/graph.js

@@ -1,7 +1,6 @@
 // Generated by CoffeeScript 1.2.1-pre
 (function() {
-  var activate, add_class, deactivate, hover, padding, rm_class, svg, tooltip, tooltip_font_size, tooltip_timeout, untooltip, _, __,
-    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
+  var activate, add_class, deactivate, has_class, hover, padding, rm_class, svg, tooltip, tooltip_font_size, tooltip_timeout, untooltip, _, __,
     __slice = [].slice;
 
   _ = function(x) {
@@ -18,11 +17,22 @@
 
   tooltip_font_size = parseInt("{{ font_sizes.tooltip }}");
 
+  has_class = function(e, class_name) {
+    var cls, cn, i, _i, _len;
+    if (!e) return;
+    cn = e.getAttribute('class').split(' ');
+    for (i = _i = 0, _len = cn.length; _i < _len; i = ++_i) {
+      cls = cn[i];
+      if (cls === class_name) return true;
+    }
+    return false;
+  };
+
   add_class = function(e, class_name) {
     var cn;
     if (!e) return;
     cn = e.getAttribute('class').split(' ');
-    if (__indexOf.call(cn, class_name) < 0) cn.push(class_name);
+    if (!has_class(e, class_name)) cn.push(class_name);
     return e.setAttribute('class', cn.join(' '));
   };
 
@@ -83,7 +93,7 @@
   };
 
   tooltip = function(elt) {
-    var h, value, w, x, y, _rect, _text, _tooltip;
+    var h, value, w, x, x_elt, y, y_elt, _rect, _text, _tooltip;
     clearTimeout(tooltip_timeout);
     _tooltip = __('tooltip');
     _text = _tooltip.getElementsByTagName('text')[0];
@@ -96,8 +106,12 @@
     _rect.setAttribute('height', h);
     _text.setAttribute('x', padding);
     _text.setAttribute('y', padding + tooltip_font_size);
-    x = value.nextElementSibling.textContent - w / 2;
-    y = value.nextElementSibling.nextElementSibling.textContent - h / 2;
+    x_elt = value.nextElementSibling;
+    y_elt = x_elt.nextElementSibling;
+    x = x_elt.textContent;
+    if (has_class(x_elt, 'centered')) x -= w / 2;
+    y = y_elt.textContent;
+    if (has_class(y_elt, 'centered')) y -= h / 2;
     return _tooltip.setAttribute('transform', "translate(" + x + " " + y + ")");
   };
 
@@ -131,7 +145,7 @@
       _results = [];
       for (_k = 0, _len3 = _ref3.length; _k < _len3; _k++) {
         element = _ref3[_k];
-        _results.push(activate(element, reactive(element)));
+        _results.push(activate(element));
       }
       return _results;
     }), (function() {
@@ -146,7 +160,7 @@
       _results = [];
       for (_k = 0, _len3 = _ref3.length; _k < _len3; _k++) {
         element = _ref3[_k];
-        _results.push(deactivate(element, reactive(element)));
+        _results.push(deactivate(element));
       }
       return _results;
     }));