Reviewers: ,
Please review this at http://codereview.tryton.org/422001/
Affected files:
M CHANGELOG
M doc/topics/views/index.rst
M trytond/ir/ui/graph.rnc
M trytond/ir/ui/graph.rng
Index: CHANGELOG
===================================================================
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Add constant interpolation on line graph
* Add create/delete field access
* Add dynamic size limit on the One2Many, Many2Many and Char
* Replace __tryton__.py by tryton.cfg
Index: doc/topics/views/index.rst
===================================================================
--- a/doc/topics/views/index.rst
+++ b/doc/topics/views/index.rst
@@ -541,6 +541,22 @@
* ``empty``: defined if the line graph must put a point for missing
dates.
+ * ``interpolation``: defined how the line graph must interpolate
points.
+ The default is ``linear``.
+
+ * ``constant-center``: use the value of the nearest point, see
+ `Nearest-neighbor interpolation`_
+
+ * ``constant-left``: use the value of the nearest left point.
+
+ * ``constant-right``: use the value of the nearest right point.
+
+ * ``linear``: see `linear interpolation`_
+
+.. _`Nearest-neighbor interpolation`:
+ http://en.wikipedia.org/wiki/Nearest-neighbor_interpolation
+.. _`linear interpolation`:
http://en.wikipedia.org/wiki/Linear_interpolation
+
Example
-------
Index: trytond/ir/ui/graph.rnc
===================================================================
--- a/trytond/ir/ui/graph.rnc
+++ b/trytond/ir/ui/graph.rnc
@@ -25,6 +25,9 @@
attlist.field &= attribute color { text }?
attlist.field &= attribute widget { "float_time" }?
attlist.field &= attribute float_time { text }?
+attlist.field &=
+ [ a:defaultValue = "linear" ]
+ attribute interpolation { "constant-left" | "constant-right"
| "constant-center" | "linear" }?
data = element data { attlist.data, xpath+ }
attlist.data &= empty
xpath = element xpath { attlist.xpath,
Index: trytond/ir/ui/graph.rng
===================================================================
--- a/trytond/ir/ui/graph.rng
+++ b/trytond/ir/ui/graph.rng
@@ -125,6 +125,18 @@
<attribute name="float_time"/>
</optional>
</define>
+ <define name="attlist.field" combine="interleave">
+ <optional>
+ <attribute name="interpolation" a:defaultValue="linear">
+ <choice>
+ <value>constant-left</value>
+ <value>constant-right</value>
+ <value>constant-center</value>
+ <value>linear</value>
+ </choice>
+ </attribute>
+ </optional>
+ </define>
<define name="data">
<element name="data">
<ref name="attlist.data"/>
--
[email protected] mailing list
