(core) Add dark theme to date picker

Summary:
Updates the date picker to use a dark theme when dark mode
is enabled.

Test Plan: Manual.

Reviewers: paulfitz

Reviewed By: paulfitz

Differential Revision: https://phab.getgrist.com/D3780

app/client/ui/ColumnFilterCalendarView.ts

@@ -160,5 +160,4 @@ const cssLinkRow = styled('div', `
 
 const cssDatepickerContainer = styled('div', `
   padding-top: 16px;
-  background-color: white;
 `);

app/client/ui2018/cssVars.ts

@@ -667,6 +667,28 @@ export const theme = {
   commentsPanelTopicBorder: new CustomProp('theme-comments-panel-topic-border', undefined, '#ccc'),
   commentsPanelResolvedTopicBg: new CustomProp('theme-comments-panel-resolved-topic-bg', undefined,
     vars.labelActiveBg),
+
+  /* Date Picker */
+  datePickerSelectedFg: new CustomProp('theme-date-picker-selected-fg', undefined,
+    colors.light),
+  datePickerSelectedBg: new CustomProp('theme-date-picker-selected-bg', undefined,
+    '#286090'),
+  datePickerSelectedBgHover: new CustomProp('theme-date-picker-selected-bg-hover',
+    undefined, '#204d74'),
+  datePickerTodayFg: new CustomProp('theme-date-picker-today-fg', undefined,
+    colors.light),
+  datePickerTodayBg: new CustomProp('theme-date-picker-today-bg', undefined,
+    colors.lightGreen),
+  datePickerTodayBgHover: new CustomProp('theme-date-picker-today-bg-hover', undefined,
+    colors.darkGreen),
+  datePickerRangeStartEndBg: new CustomProp('theme-date-picker-range-start-end-bg', undefined,
+    '#777'),
+  datePickerRangeStartEndBgHover: new CustomProp('theme-date-picker-range-start-end-bg-hover',
+    undefined, '#5E5E5E'),
+  datePickerRangeBg: new CustomProp('theme-date-picker-range-bg', undefined,
+    colors.mediumGreyOpaque),
+  datePickerRangeBgHover: new CustomProp('theme-date-picker-range-bg-hover', undefined,
+    colors.darkGrey),
 };
 
 const cssColors = values(colors).map(v => v.decl()).join('\n');

app/client/widgets/DateTimeEditor.css

@@ -24,5 +24,82 @@
 }
 
 .datepicker {
+  color: var(--grist-theme-text, #333) !important;
+  background-color: var(--grist-theme-menu-bg, #fff) !important;
   outline: none;
 }
+
+.datepicker-dropdown {
+  box-shadow: 0 2px 20px 0 var(--grist-theme-menu-shadow, rgba(38, 38, 51, 0.6));
+}
+
+.datepicker .prev:hover,
+.datepicker .next:hover,
+.datepicker .datepicker-switch:hover,
+.datepicker .day:hover,
+.datepicker .month:hover,
+.datepicker .year:hover,
+.datepicker .decade:hover,
+.datepicker .century:hover,
+.datepicker th.today:hover,
+.datepicker .focused
+{
+  background: var(--grist-theme-hover, #eee) !important;
+}
+
+.datepicker .active {
+  color: var(--grist-theme-date-picker-selected-fg, #fff) !important;
+  background-color: var(--grist-theme-date-picker-selected-bg, #286090) !important;
+  border-color: var(--grist-theme-date-picker-selected-bg, #204d74) !important;
+  text-shadow: none !important;
+}
+
+.datepicker .active:hover {
+  background-color: var(--grist-theme-date-picker-selected-bg-hover, #204d74) !important;
+  border-color: var(--grist-theme-date-picker-selected-bg-hover, #122b40) !important;
+}
+
+.datepicker .old,
+.datepicker .new
+{
+  color: var(--grist-theme-text-light, #777) !important;
+}
+
+.datepicker .range-start,
+.datepicker .range-end
+{
+  color: var(--grist-theme-text, #fff) !important;
+  background-color: var(--grist-theme-date-picker-range-start-end-bg, #777) !important;
+  border-color: var(--grist-theme-date-picker-range-start-end-bg, #555) !important;
+  text-shadow: none !important;
+}
+
+.datepicker .range-start:hover,
+.datepicker .range-end:hover
+{
+  background-color: var(--grist-theme-date-picker-range-start-end-bg-hover, #5e5e5e) !important;
+  border-color: var(--grist-theme-date-picker-range-start-end-bg-hover, #373737) !important;
+}
+
+.datepicker .range
+{
+  color: var(--grist-theme-text, #000) !important;
+  background-color: var(--grist-theme-date-picker-range-bg, #eee) !important;
+  border-color: var(--grist-theme-date-picker-range-bg, #bbb) !important;
+}
+
+.datepicker .range:hover {
+  background-color: var(--grist-theme-date-picker-range-bg-hover, #d5d5d5) !important;
+  border-color: var(--grist-theme-date-picker-range-bg-hover, #9d9d9d) !important;
+}
+
+.datepicker td.today {
+  color: var(--grist-theme-date-picker-today-fg, #000) !important;
+  background-color: var(--grist-theme-date-picker-today-bg, #f7ca77) !important;
+  border-color: var(--grist-theme-date-picker-today-bg, #f1a417) !important;
+  text-shadow: none !important;
+}
+.datepicker td.today:hover {
+  background-color: var(--grist-theme-date-picker-today-bg-hover, #f4b747) !important;
+  border-color: var(--grist-theme-date-picker-today-bg-hover, #bf800c) !important;
+}

app/common/ThemePrefs-ti.ts

@@ -332,6 +332,16 @@ export const ThemeColors = t.iface([], {
   "comments-panel-topic-bg": "string",
   "comments-panel-topic-border": "string",
   "comments-panel-resolved-topic-bg": "string",
+  "date-picker-selected-fg": "string",
+  "date-picker-selected-bg": "string",
+  "date-picker-selected-bg-hover": "string",
+  "date-picker-today-fg": "string",
+  "date-picker-today-bg": "string",
+  "date-picker-today-bg-hover": "string",
+  "date-picker-range-start-end-bg": "string",
+  "date-picker-range-start-end-bg-hover": "string",
+  "date-picker-range-bg": "string",
+  "date-picker-range-bg-hover": "string",
 });
 
 const exportedTypeSuite: t.ITypeSuite = {

app/common/ThemePrefs.ts

@@ -434,6 +434,18 @@ export interface ThemeColors {
   'comments-panel-topic-bg': string;
   'comments-panel-topic-border': string;
   'comments-panel-resolved-topic-bg': string;
+
+  /* Date Picker */
+  'date-picker-selected-fg': string;
+  'date-picker-selected-bg': string;
+  'date-picker-selected-bg-hover': string;
+  'date-picker-today-fg': string;
+  'date-picker-today-bg': string;
+  'date-picker-today-bg-hover': string;
+  'date-picker-range-start-end-bg': string;
+  'date-picker-range-start-end-bg-hover': string;
+  'date-picker-range-bg': string;
+  'date-picker-range-bg-hover': string;
 }
 
 export const ThemePrefsChecker = createCheckers(ThemePrefsTI).ThemePrefs as CheckerT<ThemePrefs>;

app/common/themes/GristDark.ts

@@ -413,4 +413,16 @@ export const GristDark: ThemeColors = {
   'comments-panel-topic-bg': '#32323F',
   'comments-panel-topic-border': '#555563',
   'comments-panel-resolved-topic-bg': '#262634',
+
+  /* Date Picker */
+  'date-picker-selected-fg': '#FFFFFF',
+  'date-picker-selected-bg': '#7F7F7F',
+  'date-picker-selected-bg-hover': '#8F8F8F',
+  'date-picker-today-fg': '#FFFFFF',
+  'date-picker-today-bg': '#1DA270',
+  'date-picker-today-bg-hover': '#157A54',
+  'date-picker-range-start-end-bg': '#7F7F7F',
+  'date-picker-range-start-end-bg-hover': '#8F8F8F',
+  'date-picker-range-bg': '#57575F',
+  'date-picker-range-bg-hover': '#7F7F7F',
 };

app/common/themes/GristLight.ts

@@ -413,4 +413,16 @@ export const GristLight: ThemeColors = {
   'comments-panel-topic-bg': 'white',
   'comments-panel-topic-border': '#ccc',
   'comments-panel-resolved-topic-bg': '#F0F0F0',
+
+  /* Date Picker */
+  'date-picker-selected-fg': '#262633',
+  'date-picker-selected-bg': '#D9D9D9',
+  'date-picker-selected-bg-hover': '#CFCFCF',
+  'date-picker-today-fg': '#FFFFFF',
+  'date-picker-today-bg': '#16B378',
+  'date-picker-today-bg-hover': '#009058',
+  'date-picker-range-start-end-bg': '#D9D9D9',
+  'date-picker-range-start-end-bg-hover': '#CFCFCF',
+  'date-picker-range-bg': '#EEEEEE',
+  'date-picker-range-bg-hover': '#D9D9D9',
 };