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Unified Diff: gm/rebaseline_server/column.py

Issue 139343018: rebaseline_server: create ImagePairSet-- holds a number of ImagePairs to examine (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: oneliners Created 6 years, 10 months ago
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Index: gm/rebaseline_server/column.py
diff --git a/gm/rebaseline_server/column.py b/gm/rebaseline_server/column.py
new file mode 100644
index 0000000000000000000000000000000000000000..7bce15a2502e05c0dcd846785cbfa535323df0fc
--- /dev/null
+++ b/gm/rebaseline_server/column.py
@@ -0,0 +1,64 @@
+#!/usr/bin/python
+
+"""
+Copyright 2014 Google Inc.
+
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+
+ColumnHeaderFactory class (see class docstring for details)
+"""
+
+# Keys used within dictionary representation of each column header.
+KEY__HEADER_TEXT = 'headerText'
+KEY__HEADER_URL = 'headerUrl'
+KEY__IS_FILTERABLE = 'isFilterable'
+KEY__IS_SORTABLE = 'isSortable'
+KEY__VALUES_AND_COUNTS = 'valuesAndCounts'
+
+
+class ColumnHeaderFactory(object):
+ """Factory which assembles the header for a single column of data."""
+
+ def __init__(self, header_text, header_url=None,
+ is_filterable=True, is_sortable=True,
+ include_values_and_counts=True):
+ """
+ Args:
+ header_text: string; text the client should display within column header.
+ header_url: string; target URL if user clicks on column header.
+ If None, nothing to click on.
+ is_filterable: boolean; whether client should allow filtering on this
+ column.
+ is_sortable: boolean; whether client should allow sorting on this column.
+ include_values_and_counts: boolean; whether the set of values found
+ within this column, and their counts, should be available for the
+ client to display.
+ """
+ self._header_text = header_text
+ self._header_url = header_url
+ self._is_filterable = is_filterable
+ self._is_sortable = is_sortable
+ self._include_values_and_counts = include_values_and_counts
+
+ def create_as_dict(self, values_and_counts_dict=None):
+ """Creates the header for this column, in dictionary form.
+
+ Creates the header for this column in dictionary form, as needed when
+ constructing the JSON representation. Uses the KEY__* constants as keys.
+
+ Args:
+ values_and_counts_dict: dictionary mapping each possible column value
+ to its count (how many entries in the column have this value), or
+ None if this information is not available.
+ """
+ asdict = {
+ KEY__HEADER_TEXT: self._header_text,
+ KEY__IS_FILTERABLE: self._is_filterable,
+ KEY__IS_SORTABLE: self._is_sortable,
+ }
+ if self._header_url:
+ asdict[KEY__HEADER_URL] = self._header_url
+ if self._include_values_and_counts and values_and_counts_dict:
+ asdict[KEY__VALUES_AND_COUNTS] = values_and_counts_dict
+ return asdict
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