rebaseline_server: allow JSON to control column filtering

gm/rebaseline_server/static/constants.js

 /*
  * Constants used by our imagediff-viewing Javascript code.
  */
 var module = angular.module(
     'ConstantsModule',
     []
 );
 
 module.constant('constants', (function() {
   return {
     // NOTE: Keep these in sync with ../column.py
     KEY__EXTRACOLUMNHEADERS__HEADER_TEXT: 'headerText',
     KEY__EXTRACOLUMNHEADERS__HEADER_URL: 'headerUrl',
     KEY__EXTRACOLUMNHEADERS__IS_FILTERABLE: 'isFilterable',
     KEY__EXTRACOLUMNHEADERS__IS_SORTABLE: 'isSortable',
+    KEY__EXTRACOLUMNHEADERS__USE_FREEFORM_FILTER: 'useFreeformFilter',
     KEY__EXTRACOLUMNHEADERS__VALUES_AND_COUNTS: 'valuesAndCounts',
 
     // NOTE: Keep these in sync with ../imagediffdb.py
     KEY__DIFFERENCES__MAX_DIFF_PER_CHANNEL: 'maxDiffPerChannel',
     KEY__DIFFERENCES__NUM_DIFF_PIXELS: 'numDifferingPixels',
     KEY__DIFFERENCES__PERCENT_DIFF_PIXELS: 'percentDifferingPixels',
     KEY__DIFFERENCES__PERCEPTUAL_DIFF: 'perceptualDifference',
 
     // NOTE: Keep these in sync with ../imagepair.py
     KEY__IMAGEPAIRS__DIFFERENCES: 'differenceData',
     KEY__IMAGEPAIRS__EXPECTATIONS: 'expectations',
     KEY__IMAGEPAIRS__EXTRACOLUMNS: 'extraColumns',
     KEY__IMAGEPAIRS__IMAGE_A_URL: 'imageAUrl',
     KEY__IMAGEPAIRS__IMAGE_B_URL: 'imageBUrl',
     KEY__IMAGEPAIRS__IS_DIFFERENT: 'isDifferent',
 
     // NOTE: Keep these in sync with ../imagepairset.py
     KEY__ROOT__EXTRACOLUMNHEADERS: 'extraColumnHeaders',
+    KEY__ROOT__EXTRACOLUMNORDER: 'extraColumnOrder',
     KEY__ROOT__HEADER: 'header',
     KEY__ROOT__IMAGEPAIRS: 'imagePairs',
     KEY__ROOT__IMAGESETS: 'imageSets',
     //
     KEY__IMAGESETS__FIELD__BASE_URL: 'baseUrl',
     KEY__IMAGESETS__FIELD__DESCRIPTION: 'description',
     KEY__IMAGESETS__SET__DIFFS: 'diffs',
     KEY__IMAGESETS__SET__IMAGE_A: 'imageA',
     KEY__IMAGESETS__SET__IMAGE_B: 'imageB',
     KEY__IMAGESETS__SET__WHITEDIFFS: 'whiteDiffs',
@@ skipping 11 matching lines @@
     KEY__HEADER__DATAHASH: 'dataHash',
     KEY__HEADER__IS_EDITABLE: 'isEditable',
     KEY__HEADER__IS_EXPORTED: 'isExported',
     KEY__HEADER__IS_STILL_LOADING: 'resultsStillLoading',
     KEY__HEADER__RESULTS_ALL: 'all',
     KEY__HEADER__RESULTS_FAILURES: 'failures',
     KEY__HEADER__SCHEMA_VERSION: 'schemaVersion',
     KEY__HEADER__TIME_NEXT_UPDATE_AVAILABLE: 'timeNextUpdateAvailable',
     KEY__HEADER__TIME_UPDATED: 'timeUpdated',
     KEY__HEADER__TYPE: 'type',
-    VALUE__HEADER__SCHEMA_VERSION: 3,
+    VALUE__HEADER__SCHEMA_VERSION: 4,
     //
     KEY__RESULT_TYPE__FAILED: 'failed',
     KEY__RESULT_TYPE__FAILUREIGNORED: 'failure-ignored',
     KEY__RESULT_TYPE__NOCOMPARISON: 'no-comparison',
     KEY__RESULT_TYPE__SUCCEEDED: 'succeeded',
 
     // NOTE: Keep these in sync with ../server.py
     KEY__EDITS__MODIFICATIONS: 'modifications',
     KEY__EDITS__OLD_RESULTS_HASH: 'oldResultsHash',
     KEY__EDITS__OLD_RESULTS_TYPE: 'oldResultsType',
 
     // These are just used on the client side, no need to sync with server code.
     KEY__IMAGEPAIRS__ROWSPAN: 'rowspan',
     URL_KEY__SCHEMA_VERSION: 'urlSchemaVersion',
     URL_VALUE__SCHEMA_VERSION__CURRENT: 1,
   }
 })())