Move ColorPicker trigger to separate component and cleanup css

packages/grafana-ui/src/components/ColorPicker/ColorPicker.tsx

@@ -6,6 +6,7 @@ import { getColorFromHexRgbOrName } from '../../utils/namedColorsPalette';
 import { SeriesColorPickerPopover } from './SeriesColorPickerPopover';
 
 import { withTheme } from '../../themes/ThemeContext';
+import { ColorPickerTrigger } from './ColorPickerTrigger';
 
 export const colorPickerFactory = <T extends ColorPickerProps>(
   popover: React.ComponentType<T>,
@@ -51,21 +52,12 @@ export const colorPickerFactory = <T extends ColorPickerProps>(
                     onMouseLeave: hidePopper,
                   })
                 ) : (
-                  <div
+                  <ColorPickerTrigger
                     ref={this.pickerTriggerRef}
                     onClick={showPopper}
                     onMouseLeave={hidePopper}
-                    className="sp-replacer sp-light"
-                  >
-                    <div className="sp-preview">
-                      <div
-                        className="sp-preview-inner"
-                        style={{
-                          backgroundColor: getColorFromHexRgbOrName(this.props.color || '#000000', theme.type),
-                        }}
-                      />
-                    </div>
-                  </div>
+                    color={getColorFromHexRgbOrName(this.props.color || '#000000', theme.type)}
+                  />
                 )}
               </>
             );

packages/grafana-ui/src/components/ColorPicker/ColorPickerTrigger.tsx

+import React, { forwardRef, Ref } from 'react';
+
+interface ColorPickerTriggerProps {
+  onClick: () => void;
+  onMouseLeave: () => void;
+  color: string;
+}
+
+export const ColorPickerTrigger = forwardRef(function ColorPickerTrigger(
+  props: ColorPickerTriggerProps,
+  ref: Ref<HTMLDivElement>
+) {
+  return (
+    <div
+      ref={ref}
+      onClick={props.onClick}
+      onMouseLeave={props.onMouseLeave}
+      style={{
+        overflow: 'hidden',
+        background: 'inherit',
+        border: 'none',
+        color: 'inherit',
+        padding: 0,
+        borderRadius: 10,
+        cursor: 'pointer',
+      }}
+    >
+      <div
+        style={{
+          position: 'relative',
+          width: 15,
+          height: 15,
+          border: 'none',
+          margin: 0,
+          float: 'left',
+          zIndex: 0,
+          backgroundImage:
+            // tslint:disable-next-line:max-line-length
+            'url(data:image/png,base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAIAAADZF8uwAAAAGUlEQVQYV2M4gwH+YwCGIasIUwhT25BVBADtzYNYrHvv4gAAAABJRU5ErkJggg==)',
+        }}
+      >
+        <div
+          style={{
+            backgroundColor: props.color,
+            display: 'block',
+            position: 'absolute',
+            top: 0,
+            left: 0,
+            bottom: 0,
+            right: 0,
+          }}
+        />
+      </div>
+    </div>
+  );
+});

packages/grafana-ui/src/components/ColorPicker/_ColorPicker.scss

@@ -161,59 +161,6 @@ $arrowSize: 15px;
   flex-grow: 1;
 }
 
-.sp-replacer {
-  background: inherit;
-  border: none;
-  color: inherit;
-  padding: 0;
-  border-radius: 10px;
-  cursor: pointer;
-}
-
-.sp-replacer:hover,
-.sp-replacer.sp-active {
-  border-color: inherit;
-  color: inherit;
-}
-
-.sp-container {
-  border-radius: 0;
-  background-color: $dropdownBackground;
-  border: none;
-  padding: 0;
-}
-
-.sp-palette-container,
-.sp-picker-container {
-  border: none;
-}
-
-.sp-dd {
-  display: none;
-}
-
-.sp-preview {
-  position: relative;
-  width: 15px;
-  height: 15px;
-  border: none;
-  margin: 0;
-  float: left;
-  z-index: 0;
-  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAIAAADZF8uwAAAAGUlEQVQYV2M4gwH+YwCGIasIUwhT25BVBADtzYNYrHvv4gAAAABJRU5ErkJggg==);
-}
-
-.sp-preview-inner,
-.sp-alpha-inner,
-.sp-thumb-inner {
-  display: block;
-  position: absolute;
-  top: 0;
-  left: 0;
-  bottom: 0;
-  right: 0;
-}
-
 .gf-color-picker__body {
   padding-bottom: $arrowSize;
   padding-left: 6px;

packages/grafana-ui/src/components/ThresholdsEditor/_ThresholdsEditor.scss

@@ -86,7 +86,6 @@
 
 .thresholds-row-input-inner-color-colorpicker {
   border-radius: 10px;
-  overflow: hidden;
   display: flex;
   align-items: center;
   box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);