From 9d177262f500457fde7c03931f8209f6ab59c5e6 Mon Sep 17 00:00:00 2001
From: MaxOvs19 <88626313+MaxOvs19@users.noreply.github.com>
Date: Mon, 10 Oct 2022 16:15:23 +0300
Subject: [PATCH] Feat/add multiselect (#5)

* Fixed DRY and added new styles in item multiSelect

* MultiSelectTag 90% done

* Fixed and refactoring multiTag. Chips working!

* Multiselect tag working, but repeates  id for elements

* Multi select full working! But refacrtoring TODO~

Co-authored-by: MaxOvs <rock_maksimus@mail.ru>
---
 src/cg-dropdown.js  | 162 +++++++++++++++++++++++++++++---------------
 src/index.js        |  25 +------
 src/style/main.scss | 101 +++++++++++++++++----------
 3 files changed, 179 insertions(+), 109 deletions(-)

diff --git a/src/cg-dropdown.js b/src/cg-dropdown.js
index a858828..6d9e032 100644
--- a/src/cg-dropdown.js
+++ b/src/cg-dropdown.js
@@ -4,11 +4,12 @@ export class DropDown {
   #options;
   #caret;
   #items;
-  #value;
+  #selectedItems;
+  #id = [];
   #indexes = [];
 
   get value() {
-    return this.#value ?? null;
+    return this.#selectedItems ?? null;
   }
 
   get indexes() {
@@ -17,7 +18,6 @@ export class DropDown {
 
   constructor(options = {}) {
     this.#init(options);
-    this.#initAmount();
     this.#render();
     this.#initEvent();
   }
@@ -73,7 +73,7 @@ export class DropDown {
     this.#items = items;
 
     if (multiselect) {
-      this.#value = [];
+      this.#selectedItems = [];
     }
   }
 
@@ -102,23 +102,8 @@ export class DropDown {
     }
   }
 
-  #initAmount() {
-    const { amount } = this.#options;
-
-    if (!amount) {
-      return;
-    }
-
-    let templete = '';
-
-    for (let i = 0; i < amount; i++) {
-      templete += `<li class="list__item">${i + 1}</li>`;
-    }
-    this.#element.innerHTML += `<ul class="list">${templete}</ul>`;
-  }
-
   #render(select) {
-    const { items, styles, url, multiselect } = this.#options;
+    const { items, styles, url, multiselect, multiselectTag } = this.#options;
 
     if (select || (select && styles)) {
       this.#initSelected(select);
@@ -127,7 +112,6 @@ export class DropDown {
       this.#initSelected();
     }
 
-    this.#element.querySelector(this.#options.selector);
     const ul = document.createElement('ul');
 
     if (styles) {
@@ -153,14 +137,16 @@ export class DropDown {
       return;
     }
 
-    items.forEach((item) => {
+    items.forEach((item, index) => {
       const li = document.createElement('li');
       let text = '';
+      let id = '';
 
       li.classList.add('list__item');
 
       if (this.#checkItemStruct(item)) {
         text = item.title;
+        id = item.id;
       } else {
         text = item;
       }
@@ -168,6 +154,15 @@ export class DropDown {
       if (multiselect) {
         const checkBox = document.createElement('input');
         checkBox.type = 'checkbox';
+
+        if (multiselectTag) {
+          if (this.#checkItemStruct(item)) {
+            checkBox.setAttribute('id', `chbox-${item.id}`);
+          } else {
+            checkBox.setAttribute('id', `chbox-${index}`);
+          }
+        }
+
         li.appendChild(checkBox);
       }
 
@@ -194,12 +189,11 @@ export class DropDown {
     const response = await fetch(url);
     const data = await response.json();
 
-    //ToDO: fix title(item.title!)
     this.#items = [];
 
     data.forEach((dataItem, index) => {
       const item = {
-        id: dataItem.id,
+        id: dataItem.phone,
         title: dataItem.name,
         value: index,
       };
@@ -209,6 +203,9 @@ export class DropDown {
 
       const checkBox = document.createElement('input');
       checkBox.type = 'checkbox';
+
+      checkBox.setAttribute('id', `chbox-${item.id}`);
+
       li.appendChild(checkBox);
 
       li.classList.add('list__item');
@@ -240,9 +237,12 @@ export class DropDown {
     const options = this.#element.querySelectorAll('.list__item');
     const selected = this.#element.querySelector('.selected');
 
-    // const ul = document.createElement('ul');
+    const ul = document.createElement('ul');
 
-    // ul.classList.add('multiselectTag');
+    if (multiselect) {
+      ul.classList.add('multiselect-tag');
+      selected.classList.add('overflow-hidden');
+    }
 
     options.forEach((option, index) => {
       option.addEventListener('click', (event) => {
@@ -260,49 +260,55 @@ export class DropDown {
             }
 
             const checkIndex = this.#indexes.indexOf(index);
+            let value = '';
+            let id = '';
 
-            let templete = '';
             if (checkIndex === -1) {
               this.#indexes.push(index);
 
               if (this.#checkItemStruct(item)) {
-                this.#value.push(item.title);
+                this.#selectedItems.push(item.title);
+                value = item.title;
+                id = item.id;
               } else {
-                this.#value.push(item);
+                this.#selectedItems.push(item);
+                value = item;
               }
 
-              //TODO refactoring code!!!!
+              selected.innerText = '';
+
               if (multiselectTag) {
-                for (let i = 0; i < this.#value.length; i++) {
-                  templete += `<li>${this.#value[i]}<button>X</button></li>`;
+                selected.appendChild(ul);
+
+                if (this.#checkItemStruct(item)) {
+                  ul.appendChild(this.#createBreadcrumb(value, index, id));
+                } else {
+                  ul.appendChild(this.#createBreadcrumb(value, index));
                 }
-
-                selected.innerHTML = `<ul class="multiselectTag">${templete}</ul>`;
               } else {
-                selected.innerText = this.#value;
+                selected.innerText = this.#selectedItems;
               }
+            } else {
+              if (multiselectTag) {
+                const tagItem = document.getElementById(`tag-${index}`);
 
-              return;
+                ul.removeChild(tagItem);
+
+                this.#indexes.splice(checkIndex, 1);
+                this.#selectedItems.splice(checkIndex, 1);
+              } else {
+                this.#indexes.splice(checkIndex, 1);
+                this.#selectedItems.splice(checkIndex, 1);
+              }
             }
 
-            this.#indexes.splice(checkIndex, 1);
-            this.#value.splice(checkIndex, 1);
-
-            if (multiselectTag) {
-              for (let i = 0; i < this.#value.length; i++) {
-                templete += `<li>${this.#value[i]} <button>X</button></li>`;
-              }
-
-              selected.innerHTML = `<ul class="multiselectTag">${templete}</ul>`;
-            }
-
-            if (!this.#value.length) {
+            if (!this.#selectedItems.length) {
               selected.innerText = placeholder;
             } else {
               if (multiselectTag) {
-                selected.innerHTML = `<ul class="multiselectTag">${templete}</ul>`;
+                selected.appendChild(ul);
               } else {
-                selected.innerText = this.#value;
+                selected.innerText = this.#selectedItems;
               }
             }
           }
@@ -312,8 +318,7 @@ export class DropDown {
           } else {
             selected.innerText = item;
           }
-
-          this.#value = item;
+          this.#selectedItems = item;
 
           options.forEach((option) => {
             option.classList.remove('active');
@@ -324,6 +329,57 @@ export class DropDown {
     });
   }
 
+  #createBreadcrumb(value, index, id) {
+    const { placeholder } = this.#options;
+
+    const selected = this.#element.querySelector('.selected');
+
+    const li = document.createElement('li');
+    const text = document.createTextNode(value);
+    const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
+    const path1 = document.createElementNS('http://www.w3.org/2000/svg', 'path');
+    const path2 = document.createElementNS('http://www.w3.org/2000/svg', 'path');
+
+    svg.setAttribute('viewBox', '0 0 10 10');
+    path1.setAttribute('d', 'M3,7 L7,3');
+    path2.setAttribute('d', 'M3,3 L7,7');
+    li.setAttribute('id', `tag-${index}`);
+
+    svg.classList.add('svg-icon');
+
+    svg.appendChild(path1);
+    svg.appendChild(path2);
+    li.appendChild(text);
+    li.appendChild(svg);
+
+    svg.addEventListener('click', (event) => {
+      event.stopPropagation();
+
+      const deleteIcon = this.#indexes.indexOf(index);
+
+      this.#indexes.splice(deleteIcon, 1);
+      this.#selectedItems.splice(deleteIcon, 1);
+
+      let checkBox = '';
+      if (id) {
+        checkBox = document.getElementById(`chbox-${id}`);
+      } else {
+        checkBox = document.getElementById(`chbox-${index}`);
+      }
+
+      checkBox.checked = false;
+      checkBox.parentElement.classList.remove('active');
+
+      if (!this.#selectedItems.length) {
+        selected.innerText = placeholder;
+      }
+
+      li.parentElement.removeChild(li);
+    });
+
+    return li;
+  }
+
   #initEvent() {
     const { event } = this.#options;
     if (!event) {
@@ -381,7 +437,7 @@ export class DropDown {
     if (content) {
       this.#element.innerHTML = `
       <div class="cg-select">
-          <span class="selected">${content}</span>
+          <p class="selected">${content}</p>
           <div class="caret"></div>
       </div>
       `;
diff --git a/src/index.js b/src/index.js
index eaa4547..42dfb2d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -10,6 +10,7 @@ const dropdown = new DropDown({
 
 dropdown.addItem('ZAZ');
 dropdown.addItem('LADA');
+// dropdown.addItem('BMW');
 
 const dropdown2 = new DropDown({
   selector: '.cg-dropdown2',
@@ -42,15 +43,9 @@ const dropdown2 = new DropDown({
     },
   ],
   multiselect: true,
+  multiselectTag: true,
 });
 
-setTimeout(() => {
-  console.log(dropdown.value);
-}, 10000);
-setTimeout(() => {
-  console.log(dropdown.indexes);
-}, 10000);
-
 //ToDo: paste the desired url;
 
 const dropdown3 = new DropDown({
@@ -58,19 +53,5 @@ const dropdown3 = new DropDown({
   placeholder: 'URL',
   url: 'http://jsonplaceholder.typicode.com/users',
   multiselect: true,
+  multiselectTag: true,
 });
-
-// const dropdown3 = new DropDown({
-//   selector: '.cg-dropdown3',
-//   selected: '',
-//   items: [
-//     {
-//       title: 'Russia',
-//       item: ['Rostov', 'Moskow'],
-//     },
-//     {
-//       title: 'Germany',
-//       item: ['Germany', 'Berlin'],
-//     },
-//   ],
-// });
diff --git a/src/style/main.scss b/src/style/main.scss
index 0742c1f..6c49ab9 100644
--- a/src/style/main.scss
+++ b/src/style/main.scss
@@ -19,16 +19,15 @@ body {
 }
 
 .cg-select {
-  padding: 14px;
-  min-width: 200px;
-  max-width: 200px;
-  height: 30px;
+  padding: 5px;
+  min-width: 225px;
+  max-width: 225px;
+  min-height: 50px;
   color: #fff;
   display: flex;
   justify-content: space-between;
   align-items: center;
 
-  overflow: hidden;
   text-overflow: ellipsis;
   background: #2a2f3b;
   cursor: pointer;
@@ -36,9 +35,8 @@ body {
   transition: 0.5s;
 
   .selected {
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
+    max-width: 200px;
+    margin: 5px;
   }
 
   &:hover {
@@ -47,9 +45,16 @@ body {
   }
 }
 
+.overflow-hidden {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .caret {
   width: 0;
   height: 0;
+  margin-right: 10px;
   border-left: 5px solid transparent;
   border-right: 5px solid transparent;
   border-top: 6px solid #fff;
@@ -65,7 +70,7 @@ body {
   max-height: 230px;
   overflow-y: auto;
   position: absolute;
-  width: 212px;
+  width: 220px;
   padding: 7px;
   margin-top: -0.2px;
   list-style: none;
@@ -93,6 +98,59 @@ body {
   }
 }
 
+.multiselect-tag {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: row;
+  align-items: center;
+
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+
+  li {
+    padding: 2px 4px 2px 4px;
+    background: #76767659;
+    height: 20px;
+    margin: 0 5px 5px 0;
+
+    display: flex;
+    align-items: center;
+
+    position: relative;
+    border-radius: 5px;
+  }
+  &__button {
+    width: 15px;
+    height: 16px;
+    border: none;
+  }
+}
+
+input[type='checkbox'] {
+  cursor: pointer;
+}
+
+.svg-icon {
+  width: 16px;
+  margin-left: 3px;
+  background-color: #bebebc;
+  border-radius: 5px;
+  cursor: pointer;
+  transition: 1s;
+
+  &:hover {
+    transition: 1s;
+    background-color: #ffffff;
+  }
+}
+.svg-icon path {
+  color: black;
+  stroke: currentcolor;
+  transition: 0.2s;
+  stroke-width: 0.5;
+}
+
 .active {
   background: #8282822c;
 }
@@ -114,28 +172,3 @@ body {
 ::-webkit-scrollbar-thumb {
   background-color: #4d4d4d;
 }
-
-.multiselect {
-  height: 20px;
-
-  display: flex;
-  align-items: center;
-
-  li {
-    color: red;
-    border: 1px solid #4d4d4d;
-  }
-  z-index: 999;
-}
-
-.multiselectTag {
-  display: flex;
-  text-decoration: none;
-  flex-direction: row;
-  height: 15px;
-  list-style-type: none;
-}
-
-input[type='checkbox'] {
-  cursor: pointer;
-}