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import template from './template.html'; |
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import './style.scss'; |
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export class Slider { |
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constructor( options ) { |
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this.options = _.defaults( options || {}, { |
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name: 'slider-name', |
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label: 'Slider Title', |
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uiSettings: { |
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min: 0, |
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max: 100 |
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} |
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} ); |
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this.template = _.template( template ); |
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} |
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/** |
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* Render a slider. |
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* |
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* @since 1.0.0 |
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* |
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* @return {jQuery} The control. |
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*/ |
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render() { |
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this.$control = $( this.template( this.options ) ); |
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this.$input = this.$control.find( 'input' ); |
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this.$slider = this.$control.find( '.slider' ); |
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this._bindInput(); |
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this._bindSlider(); |
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return this.$control; |
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} |
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/** |
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* Bind the inputs change events. |
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* |
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* @since 1.0.0 |
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*/ |
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_bindInput() { |
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this.$input.on( 'input', event => { |
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let val = this.$input.val(); |
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val = Math.min( this.$input.val(), this.$slider.slider( 'option', 'max' ) ); |
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val = Math.max( val, this.$slider.slider( 'option', 'min' ) ); |
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this.$input.val( val ); |
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this.$slider.slider( 'value', val ); |
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} ); |
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} |
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/** |
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* Update the input. |
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* |
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* @since 1.0.0 |
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* |
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* @param {$} $slider Slider element jquery. |
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*/ |
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_updateInput( $slider ) { |
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this.$input.val( this.$slider.slider( 'value' ) ); |
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} |
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/** |
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* Get a slider configuration. |
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* |
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* @since 1.0.0 |
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* @return {object} jquery ui slider config. |
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*/ |
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getSliderConfig() { |
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return this.options.uiSettings; |
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} |
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/** |
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* Bind the slider events. |
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* |
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* @since 1.0 |
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*/ |
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_bindSlider() { |
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this.$slider.slider( |
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_.defaults( this.getSliderConfig( this.$slider.data( 'name' ) ), { |
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animate: 'fast', |
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slide: () => this._onSliderChange(), |
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change: () => this._onSliderChange() |
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} ) |
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); |
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this._updateInput( this.$slider ); |
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} |
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/** |
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* When the slider changes. |
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* |
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* @since 1.0 |
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* |
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* @param {DOM Event} event When the slider changes. |
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*/ |
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_onSliderChange() { |
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this._updateInput( this.$slider ); |
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this.$control.trigger( 'slide-change', { |
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name: this.options.name, |
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value: this.$slider.slider( 'value' ) |
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} ); |
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} |
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} |
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export { Slider as default }; |
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BoldGrid /
controls
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This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.