From 96eb2b55d330814433200342d2a85c9deb80903c Mon Sep 17 00:00:00 2001
From: apalanevich <spalanevich@mail.ru>
Date: Mon, 22 Nov 2021 21:15:23 +0300
Subject: [PATCH] feat(slider-setting): implement slider setting

---
 src/settings/registration.less                |  1 +
 src/settings/registration.ts                  |  4 +-
 .../slider-setting/slider-setting.less        | 10 +++
 src/settings/slider-setting/slider-setting.ts | 70 +++++++++++++++++++
 4 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 src/settings/slider-setting/slider-setting.less
 create mode 100644 src/settings/slider-setting/slider-setting.ts

diff --git a/src/settings/registration.less b/src/settings/registration.less
index 2991c868..f1494137 100644
--- a/src/settings/registration.less
+++ b/src/settings/registration.less
@@ -4,3 +4,4 @@
 @import 'src/settings/bool-setting/bool-setting';
 @import 'src/settings/select-setting/select-setting';
 @import 'src/settings/text-setting/text-setting';
+@import 'src/settings/slider-setting/slider-setting';
diff --git a/src/settings/registration.ts b/src/settings/registration.ts
index 8cac5f09..c1c414ed 100644
--- a/src/settings/registration.ts
+++ b/src/settings/registration.ts
@@ -2,11 +2,13 @@ import {UIPSetting} from './setting/setting';
 import {UIPTextSetting} from './text-setting/text-setting';
 import {UIPSelectSetting} from './select-setting/select-setting';
 import {UIPBoolSetting} from './bool-setting/bool-setting';
+import {UIPSliderSetting} from './slider-setting/slider-setting';
 
-export {UIPSetting, UIPTextSetting, UIPBoolSetting, UIPSelectSetting};
+export {UIPSetting, UIPTextSetting, UIPBoolSetting, UIPSelectSetting, UIPSliderSetting};
 
 export const registerSettings = () => {
   UIPBoolSetting.register();
   UIPTextSetting.register();
   UIPSelectSetting.register();
+  UIPSliderSetting.register();
 };
diff --git a/src/settings/slider-setting/slider-setting.less b/src/settings/slider-setting/slider-setting.less
new file mode 100644
index 00000000..fe0eaafd
--- /dev/null
+++ b/src/settings/slider-setting/slider-setting.less
@@ -0,0 +1,10 @@
+.uip-slider-setting {
+  input {
+    display: block;
+    max-width: 100%;
+  }
+
+  .slider-value {
+    color: grey;
+  }
+}
diff --git a/src/settings/slider-setting/slider-setting.ts b/src/settings/slider-setting/slider-setting.ts
new file mode 100644
index 00000000..87550398
--- /dev/null
+++ b/src/settings/slider-setting/slider-setting.ts
@@ -0,0 +1,70 @@
+import {UIPSetting} from '../setting/setting';
+import {attr} from '@exadel/esl/modules/esl-base-element/core';
+import {WARNING_MSG} from '../../utils/warning-msg';
+
+export class UIPSliderSetting extends UIPSetting {
+  public static is = 'uip-slider-setting';
+  /** CSS Class added when setting has inconsistent state. */
+  public static inconsistencyClass = 'inconsistency-marker';
+
+  /** Setting's visible name. */
+  @attr({defaultValue: ''}) public label: string;
+  /** Minimum range value. */
+  @attr({defaultValue: '0'}) public min: string;
+  /** Maximum range value. */
+  @attr({defaultValue: '100'}) public max: string;
+  /** Step for range. */
+  @attr({defaultValue: '1'}) public step: string;
+  /** Range input to change setting's value. */
+  protected $field: HTMLInputElement;
+  /** Range value displayed below. */
+  protected $fieldValue: HTMLDivElement;
+
+  protected connectedCallback() {
+    super.connectedCallback();
+    if (this.$field) return;
+
+    this.initSlider();
+    this.initSliderValue();
+    const label = document.createElement('label');
+    label.innerText = this.label;
+    label.appendChild(this.$field);
+
+    this.innerHTML = '';
+    this.append(label);
+    this.append(this.$fieldValue);
+  }
+
+  protected initSlider() {
+    this.$field = document.createElement('input');
+    this.$field.type = 'range';
+    this.$field.min = this.min;
+    this.$field.max = this.max;
+    this.$field.step = this.step;
+    this.$field.name = this.label;
+  }
+
+  protected initSliderValue() {
+    this.$fieldValue = document.createElement('div');
+    this.$fieldValue.classList.add('slider-value');
+    this.$field.addEventListener('input', () => this.updateSliderValue());
+  }
+
+  protected updateSliderValue() {
+    this.$fieldValue.textContent = `Value: ${this.$field.value}`;
+  }
+
+  protected getDisplayedValue(): string {
+    return this.$field.value;
+  }
+
+  protected setValue(value: string | null): void {
+    this.$field.value = value || '0';
+    this.updateSliderValue();
+  }
+
+  protected setInconsistency(msg = WARNING_MSG.inconsistent): void {
+    this.$field.value = '0';
+    this.$fieldValue.textContent = msg;
+  }
+}