rename handleXXX to onXX events

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

@@ -39,7 +39,7 @@ class ColorInput extends React.PureComponent<ColorInputProps, ColorInputState> {
     this.props.onChange(color);
   };
 
-  handleChange = (event: React.SyntheticEvent<HTMLInputElement>) => {
+  onChange = (event: React.SyntheticEvent<HTMLInputElement>) => {
     const newColor = tinycolor(event.currentTarget.value);
 
     this.setState({
@@ -51,7 +51,7 @@ class ColorInput extends React.PureComponent<ColorInputProps, ColorInputState> {
     }
   };
 
-  handleBlur = () => {
+  onBlur = () => {
     const newColor = tinycolor(this.state.value);
 
     if (!newColor.isValid()) {
@@ -84,7 +84,7 @@ class ColorInput extends React.PureComponent<ColorInputProps, ColorInputState> {
             flexGrow: 1,
           }}
         >
-          <input className="gf-form-input" value={value} onChange={this.handleChange} onBlur={this.handleBlur} />
+          <input className="gf-form-input" value={value} onChange={this.onChange} onBlur={this.onBlur} />
         </div>
       </div>
     );

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

@@ -15,7 +15,7 @@ export const colorPickerFactory = <T extends ColorPickerProps>(
     static displayName = displayName;
     pickerTriggerRef = createRef<HTMLDivElement>();
 
-    handleColorChange = (color: string) => {
+    onColorChange = (color: string) => {
       const { onColorChange, onChange } = this.props;
       const changeHandler = (onColorChange || onChange) as ColorPickerChangeHandler;
 
@@ -25,7 +25,7 @@ export const colorPickerFactory = <T extends ColorPickerProps>(
     render() {
       const popoverElement = React.createElement(popover, {
         ...this.props,
-        onChange: this.handleColorChange,
+        onChange: this.onColorChange,
       });
       const { theme, children } = this.props;
 

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

@@ -60,7 +60,7 @@ export class ColorPickerPopover<T extends CustomPickersDescriptor> extends React
     changeHandler(getColorFromHexRgbOrName(color, theme.type));
   };
 
-  handleTabChange = (tab: PickerType | keyof T) => {
+  onTabChange = (tab: PickerType | keyof T) => {
     return () => this.setState({ activePicker: tab });
   };
 
@@ -104,7 +104,7 @@ export class ColorPickerPopover<T extends CustomPickersDescriptor> extends React
       <>
         {Object.keys(customPickers).map(key => {
           return (
-            <div className={this.getTabClassName(key)} onClick={this.handleTabChange(key)} key={key}>
+            <div className={this.getTabClassName(key)} onClick={this.onTabChange(key)} key={key}>
               {customPickers[key].name}
             </div>
           );
@@ -119,10 +119,10 @@ export class ColorPickerPopover<T extends CustomPickersDescriptor> extends React
     return (
       <div className={`ColorPickerPopover ColorPickerPopover--${colorPickerTheme}`}>
         <div className="ColorPickerPopover__tabs">
-          <div className={this.getTabClassName('palette')} onClick={this.handleTabChange('palette')}>
+          <div className={this.getTabClassName('palette')} onClick={this.onTabChange('palette')}>
             Colors
           </div>
-          <div className={this.getTabClassName('spectrum')} onClick={this.handleTabChange('spectrum')}>
+          <div className={this.getTabClassName('spectrum')} onClick={this.onTabChange('spectrum')}>
             Custom
           </div>
           {this.renderCustomPickerTabs()}

public/app/core/components/ToggleButtonGroup/ToggleButtonGroup.tsx

@@ -37,7 +37,7 @@ export const ToggleButton: FC<ToggleButtonProps> = ({
   tooltip,
   onChange,
 }) => {
-  const handleChange = event => {
+  const onClick = event => {
     event.stopPropagation();
     if (onChange) {
       onChange(value);
@@ -46,7 +46,7 @@ export const ToggleButton: FC<ToggleButtonProps> = ({
 
   const btnClassName = `btn ${className} ${selected ? 'active' : ''}`;
   const button = (
-    <button className={btnClassName} onClick={handleChange}>
+    <button className={btnClassName} onClick={onClick}>
       <span>{children}</span>
     </button>
   );