<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>Angular 2 Multiple Selection</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>
multiple-select {
    position: relative;
    display: inline-block;
}
label{
    cursor: pointer;
}
    multiple-select input[type="checkbox"] {
        margin: 0;
    }

    multiple-select button {
        width: 100%;
        height: 34px;
        color: #333;
        background-color: #fff;
        border-color: #ccc;
        padding: 5px 10px;
        cursor: pointer;
        background-image: none;
        border: 1px solid #cccccc;
        border-radius: 4px;
        text-align: left;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        font-size: 13px;
        font-weight: normal;
        line-height: 20px;
    }

        multiple-select button:hover {
            -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            color: #333;
            background-color: #e6e6e6;
            border-color: #adadad;
        }

        multiple-select button:focus {
            -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            color: #333;
            background-color: #e6e6e6;
            border-color: #8c8c8c;
        }

        multiple-select button .i-down {
            float: right;
        }

    multiple-select .show-tree-view {
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 1000;
        float: left;
        width: 100%;        
        margin: 0px;
        font-size: 14px;
        text-align: left;
        list-style: none;
        background-color: #fff;
        -webkit-background-clip: padding-box;
        background-clip: padding-box;
        border: 1px solid #ccc;
        border: 1px solid rgba(0, 0, 0, 0.15);
        border-radius: 4px;
        -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
    }

        multiple-select .show-tree-view .tree-view-content {
            display: inline-block;
            width: 100%;
            overflow: auto;
        }

        multiple-select .show-tree-view .dropdown-header {
            border-bottom: 1px solid darkgray;
            padding: 0 10px;
            height: 25px;
            line-height: 25px;
        }

            multiple-select .show-tree-view .dropdown-header label {
                display: inline-block;
                margin-bottom: 0;
                cursor: pointer;
            }

            multiple-select .show-tree-view .dropdown-header .i-up {
                float: right;
            }

            multiple-select .show-tree-view .dropdown-header .i-down {
                float: right;
            }

    multiple-select tree-view ul {
        margin: 0 0 0 15px;
        -webkit-margin-before: 0;
        -webkit-margin-after: 0;
        list-style-type: none;
        padding: 0;
    }

    multiple-select tree-view .multiple-select-item {
        display: flex;
    }

        multiple-select tree-view .multiple-select-item:hover {
            background: aliceblue;
        }

        multiple-select tree-view .multiple-select-item .i-expanded {
            cursor: pointer;
            width: 0;
            height: 0;
            display: inline-block;
            vertical-align: middle;
            margin-right: 5px;
            margin-top: 4px;
            border-top: 4px dashed;
            border-right: 4px solid transparent;
            border-left: 4px solid transparent;
        }

        multiple-select tree-view .multiple-select-item .i-collapsed {
            cursor: pointer;
            width: 0;
            height: 0;
            display: inline-block;
            vertical-align: middle;
            margin-right: 9px;
            margin-top: 3px;
            border-left: 4px dashed;
            border-top: 4px solid transparent;
            border-bottom: 4px solid transparent;
        }

        multiple-select tree-view .multiple-select-item .margin-left-13 {
            margin-left: 13px;
        }

    multiple-select .i-down {
        cursor: pointer;
        width: 0;
        height: 0;
        display: inline-block;
        vertical-align: middle;
        margin-top: 10px;
        border-top: 4px dashed;
        border-right: 4px solid transparent;
        border-left: 4px solid transparent;
    }

    multiple-select .i-up {
        cursor: pointer;
        width: 0;
        height: 0;
        display: inline-block;
        vertical-align: middle;
        margin-top: 8px;
        border-bottom: 4px dashed;
        border-right: 4px solid transparent;
        border-left: 4px solid transparent;
    }
### Angular Starter Plunker - Typescript
System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    
    '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router/bundles/router-testing.umd.js',
    
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript/lib/typescript.js',
    'angular-2-multiple-selection': 'npm:angular-2-multiple-selection'
    
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    },
    'angular-2-multiple-selection': {
      defaultExtension: 'ts'
    }
  }
});
//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app.module';

platformBrowserDynamic().bootstrapModule(AppModule)
//our root app component
import {Component, NgModule} from '@angular/core'
import { FormsModule } from '@angular/forms';
import {BrowserModule} from '@angular/platform-browser'

import { MultipleSelect } from "angular-2-multiple-selection/multiple-select";

import { AppComponent } from "./app.component";


@NgModule({
  imports: [ BrowserModule, FormsModule ],
  declarations: [ AppComponent, MultipleSelect ],
  bootstrap: [ AppComponent ]
})
export class AppModule {}
import { Component } from "@angular/core";
import { ItemsSelect } from "angular-2-multiple-selection/sources/models/items-select";
import { MultipleSelect } from "angular-2-multiple-selection/sources/models/multiple-select";


@Component({
  selector: 'my-app',
  template: `
    <div>
      <multiple-select [multipleSelect]="multipleSelect" (loseFocus)="getValue()"></multiple-select>
    </div>
    <br>
    <input type="button" (click)="getValue()" value="Get Value">: {{value}}
  `,
})

export class AppComponent {
  multipleSelect: MultipleSelect = new MultipleSelect();
  value: string;
  
  constructor() {
      this.insertData();
      this.value = this.multipleSelect.getValueItems();
  }
  
  insertData() {
      // id, value, text, checked, expanded, enable
      let item1 = new ItemsSelect(1, 1, 'Item 1', true, true, true, []);
      let item9 = new ItemsSelect(9, 9, 'Item 9', true, true, true, []);
      let item10 = new ItemsSelect(10, 10, 'Item 10', false, true, true, []);
      let item11 = new ItemsSelect(11, 11, 'Item 11', true, true, true, [item9, item10]);
      let item8 = new ItemsSelect(8, 8, 'Item 8', true, true, true, [item11]);
      let item2 = new ItemsSelect(2, 2, 'Item 2', true, true, true, [item1, item8]);
      let item4 = new ItemsSelect(4, 4, 'Item 4', true, true, true, []);
      let item3 = new ItemsSelect(3, 3, 'Item 3', false, true, true, [item2, item4]);
      let item5 = new ItemsSelect(5, 5, 'Item 5', false, true, true, []);
      let item6 = new ItemsSelect(6, 6, 'Item 6', true, true, true, []);
      let item7 = new ItemsSelect(7, 7, 'Item 7', true, true, true, [item5, item6]);

      this.multipleSelect.items = [item3, item7];
      this.multipleSelect.showHeader = true // true
      this.multipleSelect.numberItemsDisplay = 4; // 3
      this.multipleSelect.checkAllCheckBoxText = 'Check All'; // 'Check All Items'
      this.multipleSelect.noneItemCheckedText = 'None'; // 'None Selected'
      this.multipleSelect.allItemsCheckedText = 'All'; // 'All Items Checked'
      this.multipleSelect.subfixNumberItemsCheckedText = ' checked'; // ' selected'
      this.multipleSelect.characterValue = '^'; // ','
      this.multipleSelect.characterText = ' - '; // ', '
      this.multipleSelect.maxHeight = '200px'; // '350px'
      this.multipleSelect.maxWidth = '150px'; // '150px'
  }
  
  getValue(){
     this.value = this.multipleSelect.getValueItems();
  }
}
<ul class="multiple-select">
    <li *ngFor="let item of items">
        <div class="multiple-select-item">
            <i *ngIf="item.items.length > 0" [ngClass]="{'i-expanded': item.expanded, 'i-collapsed': !item.expanded}"
               (click)="item.expanded = !item.expanded"></i>
            <label [ngClass]="{'margin-left-13': item.items.length == 0}">
                <input type="checkbox" [(ngModel)]="item.checked" (ngModelChange)="item.checkChilds()" [disabled]="!item.enable" />
                {{ item.text }}
            </label>
        </div>
        <div *ngIf="item.expanded">
            <tree-view [items]="item.items"></tree-view>
        </div>
    </li>
</ul>
<div class="multiple-selection" [style.width]="multipleSelect.maxWidth">
    <button type="button" readonly (click)="dropdownToggle = !dropdownToggle">
        <span>{{multipleSelect.selectionTitle }}</span>
        <span class="i-down"></span>
    </button>
    <div class="show-tree-view" *ngIf="multipleSelect.items != undefined && dropdownToggle">
        <div class="dropdown-header" *ngIf="multipleSelect.showHeader">
            <label>
                <input type="checkbox" [(ngModel)]="isCheckAll" (ngModelChange)="multipleSelect.checkAllItems(isCheckAll)" />
                {{multipleSelect.checkAllCheckBoxText}}
            </label>
            <span [ngClass]="{'i-up': expanded, 'i-down': !expanded}" (click)="toggle()"></span>
        </div>
        <div class="tree-view-content" [style.max-height]="multipleSelect.maxHeight">
            <tree-view [items]="multipleSelect.items" (change)="changeItems()"></tree-view>
        </div>
    </div>
</div>
multiple-select {
    position: relative;
    display: inline-block;
}

    multiple-select input[type="checkbox"] {
        margin: 0;
    }

    multiple-select button {
        width: 100%;
        height: 34px;
        color: #333;
        background-color: #fff;
        border-color: #ccc;
        padding: 5px 10px;
        cursor: pointer;
        background-image: none;
        border: 1px solid #cccccc;
        border-radius: 4px;
        text-align: left;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }

        multiple-select button:hover {
            -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            color: #333;
            background-color: #e6e6e6;
            border-color: #adadad;
        }

        multiple-select button:focus {
            -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
            color: #333;
            background-color: #e6e6e6;
            border-color: #8c8c8c;
        }

        multiple-select button .i-down {
            float: right;
        }

    multiple-select .show-tree-view {
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 1000;
        float: left;
        width: 100%;        
        margin: 0 -2px;
        font-size: 14px;
        text-align: left;
        list-style: none;
        background-color: #fff;
        -webkit-background-clip: padding-box;
        background-clip: padding-box;
        border: 1px solid #ccc;
        border: 1px solid rgba(0, 0, 0, 0.15);
        border-radius: 4px;
        -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
    }

        multiple-select .show-tree-view .tree-view-content {
            display: inline-block;
            width: 100%;
            overflow: auto;
        }

        multiple-select .show-tree-view .dropdown-header {
            border-bottom: 1px solid darkgray;
            padding: 0 10px;
            height: 25px;
            line-height: 25px;
        }

            multiple-select .show-tree-view .dropdown-header label {
                display: inline-block;
                margin-bottom: 0;
            }

            multiple-select .show-tree-view .dropdown-header .i-up {
                float: right;
            }

            multiple-select .show-tree-view .dropdown-header .i-down {
                float: right;
            }

    multiple-select tree-view ul {
        margin: 0 0 0 15px;
        -webkit-margin-before: 0;
        -webkit-margin-after: 0;
        list-style-type: none;
        padding: 0;
    }

    multiple-select tree-view .multiple-select-item {
        display: flex;
    }

        multiple-select tree-view .multiple-select-item:hover {
            background: aliceblue;
        }

        multiple-select tree-view .multiple-select-item .i-expanded {
            cursor: pointer;
            width: 0;
            height: 0;
            display: inline-block;
            vertical-align: middle;
            margin-right: 5px;
            margin-top: 10px;
            border-top: 4px dashed;
            border-right: 4px solid transparent;
            border-left: 4px solid transparent;
        }

        multiple-select tree-view .multiple-select-item .i-collapsed {
            cursor: pointer;
            width: 0;
            height: 0;
            display: inline-block;
            vertical-align: middle;
            margin-right: 9px;
            margin-top: 9px;
            border-left: 4px dashed;
            border-top: 4px solid transparent;
            border-bottom: 4px solid transparent;
        }

        multiple-select tree-view .multiple-select-item .margin-left-13 {
            margin-left: 13px;
        }

    multiple-select .i-down {
        cursor: pointer;
        width: 0;
        height: 0;
        display: inline-block;
        vertical-align: middle;
        margin-top: 10px;
        border-top: 4px dashed;
        border-right: 4px solid transparent;
        border-left: 4px solid transparent;
    }

    multiple-select .i-up {
        cursor: pointer;
        width: 0;
        height: 0;
        display: inline-block;
        vertical-align: middle;
        margin-top: 8px;
        border-bottom: 4px dashed;
        border-right: 4px solid transparent;
        border-left: 4px solid transparent;
    }