68a3815401
(no behavioral change, no change to JSON file format) (SkipBuildbotRuns) NOTREECHECKS=True NOTRY=True R=rmistry@google.com Author: epoger@google.com Review URL: https://codereview.chromium.org/287473002 git-svn-id: http://skia.googlecode.com/svn/trunk@14701 2bbb7eff-a529-9590-31e7-b0007b416f81
68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
#!/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.
|
|
# NOTE: Keep these in sync with static/constants.js
|
|
KEY__EXTRACOLUMNHEADERS__HEADER_TEXT = 'headerText'
|
|
KEY__EXTRACOLUMNHEADERS__HEADER_URL = 'headerUrl'
|
|
KEY__EXTRACOLUMNHEADERS__IS_FILTERABLE = 'isFilterable'
|
|
KEY__EXTRACOLUMNHEADERS__IS_SORTABLE = 'isSortable'
|
|
KEY__EXTRACOLUMNHEADERS__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__EXTRACOLUMNHEADERS__*
|
|
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__EXTRACOLUMNHEADERS__HEADER_TEXT: self._header_text,
|
|
KEY__EXTRACOLUMNHEADERS__IS_FILTERABLE: self._is_filterable,
|
|
KEY__EXTRACOLUMNHEADERS__IS_SORTABLE: self._is_sortable,
|
|
}
|
|
if self._header_url:
|
|
asdict[KEY__EXTRACOLUMNHEADERS__HEADER_URL] = self._header_url
|
|
if self._include_values_and_counts and values_and_counts_dict:
|
|
asdict[KEY__EXTRACOLUMNHEADERS__VALUES_AND_COUNTS] = sorted(
|
|
values_and_counts_dict.items())
|
|
return asdict
|