{"id":5663,"date":"2017-07-16T22:02:03","date_gmt":"2017-07-16T20:02:03","guid":{"rendered":"https:\/\/www.tomislavstankovic.com\/blog\/?p=5663"},"modified":"2019-01-05T19:53:46","modified_gmt":"2019-01-05T17:53:46","slug":"ionic3-autocomplete","status":"publish","type":"post","link":"https:\/\/www.tomislavstankovic.com\/blog\/ionic3-autocomplete\/","title":{"rendered":"Ionic 3 &#8211; Autocomplete polje za unos"},"content":{"rendered":"<p>Iako <em>Ionic<\/em> raspola\u017ee s<a href=\"https:\/\/ionicframework.com\/docs\/components\/\" target=\"_blank\"> dosta razli\u010ditih i korisnih komponenti<\/a> jo\u0161 uvijek me\u0111u njima ne\u0107ete prona\u0107i <em>autocomplete<\/em> komponentu i prisiljeni ste koristiti neko vanjsko rje\u0161enje. U velikom broju slu\u010dajeva to je nekakav <a href=\"https:\/\/angular.io\/guide\/npm-packages\" target=\"_blank\"><em>Angular NPM modul<\/em><\/a>, kao \u0161to \u0107e biti slu\u010daj i u ovom blog postu. <\/p>\n<p><strong>\u0160to je <em>autocomplete <\/em>(samodovr\u0161avanje)<\/strong>? <\/p>\n<p>To je funkcionalnost koja olak\u0161ava pregled, odabir i unos vrijednosti prilikom ispunjavanja nekakve forme. Recimo da imate formu u kojoj jedno od polja prikazuje popis djelatnika, a vi morate odabrati nekoliko njih. To se vrlo jednostavno mo\u017ee rije\u0161iti obi\u010dnim padaju\u0107im izbornikom, <em>Ionic<\/em> za to koristi <a href=\"https:\/\/ionicframework.com\/docs\/api\/components\/select\/Select\/\" target=\"_blank\"><em>Select<\/em><\/a> komponentu, i to je dobar izbor kada imate nekoliko djelatnika na tom popisu. Me\u0111utim, kada se na\u0111ete u situaciji da popis sadr\u017eava vi\u0161e stotina stavki odjednom padaju\u0107i izbornik vi\u0161e nije toliko dobra opcija. Tu uska\u010de <em>autocomplete<\/em> koji olak\u0161ava pronalazak i unos \u017eeljene vrijednosti.<\/p>\n<figure id=\"attachment_5667\" aria-describedby=\"caption-attachment-5667\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Google-Autocomplete.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Google-Autocomplete.jpg\" alt=\"Google Autocomplete\" width=\"600\" height=\"331\" class=\"size-full wp-image-5667\" srcset=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Google-Autocomplete.jpg 600w, https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Google-Autocomplete-300x166.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-5667\" class=\"wp-caption-text\">Autocomplete s kojim ste se sigurno susreli<\/figcaption><\/figure>\n<h2>Postavljanje aplikacije<\/h2>\n<p>Prvo \u0107emo <a href=\"https:\/\/www.tomislavstankovic.com\/blog\/uvod-u-ionic-2\/\">kreirati novi <em>Ionic<\/em> projekt<\/a> i pokrenuti ga<\/p>\n<pre class=\"lang:sh decode:true \" >$ ionic start Ionic3AutocompleteTokenInput blank --v2\r\n$ cd Ionic3AutocompleteTokenInput <\/pre>\n<p>Sada \u0107emo instalirati <strong><a href=\"https:\/\/github.com\/rosslavery\/angular2-tag-input\" target=\"_blank\">angular2-tag-input<\/a><\/strong> <em>NPM<\/em> modul koji je osnova na\u0161e <em>Ionic 3 autocomplete<\/em> aplikacije. <\/p>\n<pre>npm install angular2-tag-input --save<\/pre>\n<p>Nakon toga potrebno je dodati referencu na  <span class=\"lang:js decode:true  crayon-inline \" >RlTagInputModule<\/span> , a to se radi unutar <strong>app.module.ts<\/strong><\/p>\n<pre class=\"lang:js mark:11,19 decode:true   \" title=\"app.,module.ts\" >import { BrowserModule } from '@angular\/platform-browser';\r\nimport { ErrorHandler, NgModule } from '@angular\/core';\r\nimport { IonicApp, IonicErrorHandler, IonicModule } from 'ionic-angular';\r\nimport { SplashScreen } from '@ionic-native\/splash-screen';\r\nimport { StatusBar } from '@ionic-native\/status-bar';\r\nimport { HttpModule } from '@angular\/http';\r\n\r\nimport { MyApp } from '.\/app.component';\r\nimport { HomePage } from '..\/pages\/home\/home';\r\n\r\nimport {RlTagInputModule} from 'angular2-tag-input';\r\n\r\n@NgModule({\r\n  declarations: [\r\n    MyApp,\r\n    HomePage\r\n  ],\r\n  imports: [\r\n    RlTagInputModule,\r\n    BrowserModule,\r\n    HttpModule,\r\n    IonicModule.forRoot(MyApp)\r\n  ],\r\n  bootstrap: [IonicApp],\r\n  entryComponents: [\r\n    MyApp,\r\n    HomePage\r\n  ],\r\n  providers: [\r\n    StatusBar,\r\n    SplashScreen,\r\n    {provide: ErrorHandler, useClass: IonicErrorHandler}\r\n  ]\r\n})\r\nexport class AppModule {}<\/pre>\n<p>I to je to. Spremni smo za kori\u0161tenje <em>autocomplete<\/em> funkcionalnosti. <\/p>\n<h2><em>Autocomplete<\/em> implementacija<\/h2>\n<p>Postoje dva na\u010dina na koja mo\u017eemo koristiti <em>autocomplete<\/em>. Prvi je da ponudimo niz (<em>array<\/em>) sa zadanim vrijednostima, a drugi je da omogu\u0107imo unos bilo koje vrijednosti. U ovom primjeru ponudit \u0107emo zadani niz. <\/p>\n<p>Logika funkcionalnosti nalazit \u0107e se unutar <strong>home.ts<\/strong> datoteke. Ovdje imamo dva niza, <span class=\"lang:js decode:true  crayon-inline\">autocompleteTags<\/span> koji \u0107e se puniti vrijednostima koje odaberemo i <span class=\"lang:js decode:true  crayon-inline\">autocompleteItems<\/span> koji sadr\u017eava vrijednosti koje \u0107e biti ponu\u0111ene unutar <em>autocomplete<\/em> polja.<\/p>\n<pre class=\"lang:js mark:10-20 decode:true   \" title=\"home.ts\" >import { Component } from '@angular\/core';\r\nimport { NavController } from 'ionic-angular';\r\n\r\n@Component({\r\n  selector: 'page-home',\r\n  templateUrl: 'home.html'\r\n})\r\nexport class HomePage {\r\n\r\n  public autocompleteTags = [];\r\n  public autocompleteItems = [\r\n    'Tomislav Stankovi\u0107',\r\n    'Marko Maruli\u0107',\r\n    'Milan Cime\u0161a',\r\n    'Faust Vran\u010di\u0107',\r\n    '\u017deljko Hegedu\u0161i\u0107',\r\n    '\u0110uro Pulitika',\r\n    'Ivan Generali\u0107',\r\n    'Tomislav \u0160enoa'\r\n  ];\r\n\r\n  constructor(public navCtrl: NavController) {}\r\n\r\n}<\/pre>\n<p>Kako to izgleda mo\u017eemo vidjeti u <strong>home.html<\/strong><\/p>\n<pre class=\"lang:xhtml mark:12-18 decode:true\" title=\"home.html\" >&lt;ion-header&gt;\r\n  &lt;ion-navbar&gt;\r\n    &lt;ion-title&gt;\r\n      Ionic 3 (angular2-tag-input)\r\n    &lt;\/ion-title&gt;\r\n  &lt;\/ion-navbar&gt;\r\n&lt;\/ion-header&gt;\r\n \r\n&lt;ion-content padding&gt;\r\n  &lt;ion-item no-padding&gt;\r\n&lt;\/ion-item&gt;\r\n  &lt;rl-tag-input\r\n    [addOnBlur]=\"false\"\r\n    [autocomplete]=\"true\"\r\n    [autocompleteItems]=\"autocompleteItems\"\r\n    [(ngModel)]=\"autocompleteTags\"\r\n    placeholder=\"Unesi vrijednost\"&gt;\r\n  &lt;\/rl-tag-input&gt;\r\n&lt;br&gt;&lt;hr&gt;\r\n&lt;ion-list&gt;\r\n  &lt;ion-item text-wrap&gt;\r\n    &lt;h2&gt;Popis:&lt;\/h2&gt;\r\n    {{autocompleteTags | json}}\r\n  &lt;\/ion-item&gt;\r\n&lt;\/ion-list&gt; \r\n \r\n&lt;\/ion-content&gt;<\/pre>\n<p>I uz malo CSS-a<\/p>\n<pre class=\"lang:css decode:true   \" title=\"home.scss\" >page-home {\r\n\r\n   [_nghost-c1] {\r\n        background-color: color($colors, primary);\r\n        border-radius: 40px;\r\n        font-size: 14px;\r\n        color: #fff;\r\n        margin-top: 1px;\r\n    }\r\n    [_nghost-c1] .ng2-tag-input-remove[_ngcontent-c1] {\r\n        color: color($colors, primary);\r\n        background: #fff;\r\n        height: 20px;\r\n        width: 20px;\r\n        line-height: 20px;\r\n    }\r\n\r\n}<\/pre>\n<p>U kona\u010dnici to izgleda ovako<\/p>\n<p><a href=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-Autocomplete-demo1.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-Autocomplete-demo1.gif\" alt=\"Ionic Autocomplete Demo 1\" width=\"363\" height=\"643\" class=\"aligncenter size-full wp-image-5679\" \/><\/a><\/p>\n<h4>Dinami\u010dke vrijednosti <em>autocomplete<\/em> niza?<\/h4>\n<p>U gornjem primjeru koristili smo niz od nekoliko ru\u010dno dodanih vrijednosti, ali to ne zna\u010di da ne mo\u017eemo koristiti i <a href=\"https:\/\/www.tomislavstankovic.com\/blog\/ionic2-prikaz-json-podatak-api\/\" target=\"_blank\">dinami\u010dki niz koji dobijemo od API-ja<\/a>.<\/p>\n<p>U tom je slu\u010daju potrebno kreirati <span class=\"lang:js decode:true  crayon-inline\">ApiProvider<\/span> naredbom <\/p>\n<pre>$ ionic generate provider ApiProvider<\/pre>\n<p>Koristit \u0107emo popis dr\u017eava s <em>REST Countries API<\/em>-ja <a href=\"https:\/\/restcountries.eu\/\" target=\"_blank\">https:\/\/restcountries.eu\/<\/a><\/p>\n<pre class=\"lang:js decode:true \" title=\"api-provider.ts\" >import { Injectable } from '@angular\/core';\r\nimport { Http } from '@angular\/http';\r\nimport 'rxjs\/add\/operator\/map';\r\n\r\n@Injectable()\r\nexport class ApiProvider {\r\n\r\n  constructor(public _http: Http) {\r\n    console.log('Hello ApiProvider Provider');\r\n  }\r\n\r\n  loadData(){\r\n    return this._http.get('https:\/\/restcountries.eu\/rest\/v2\/all')\r\n      .map(res =&gt; res.json());\r\n  }\r\n\r\n}<\/pre>\n<p>Kada pozovemo API dobit \u0107emo <span class=\"lang:js decode:true  crayon-inline\">console.log(res);<\/span> koji nam daje niz (<em>array<\/em>) objekata. Me\u0111utim to je previ\u0161e informacija, a nama trebaju samo imena dr\u017eava kako bi prema njima mogli raditi <em>autocomplete<\/em>.<\/p>\n<p><a href=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response.png\" alt=\"Ionic Autocomplete - REST Countries API response\" width=\"1229\" height=\"754\" class=\"aligncenter size-full wp-image-5690\" srcset=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response.png 1229w, https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-300x184.png 300w, https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-768x471.png 768w, https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-1024x628.png 1024w\" sizes=\"auto, (max-width: 1229px) 100vw, 1229px\" \/><\/a><\/p>\n<p>Zato \u0107emo napraviti petlju koja \u0107e nam izdvojiti samo nazive dr\u017eava i s njima napuniti na\u0161 <span class=\"lang:js decode:true  crayon-inline\">autocompleteItems<\/span> niz (array).<\/p>\n<pre class=\"lang:js decode:true \" >for (let i = 0; i &lt; res.length; i++) {  \r\n\r\n        this.autocompleteItems.push(\r\n            res[i].name\r\n        );\r\n\r\n      };<\/pre>\n<p><a href=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-name.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-name.png\" alt=\"Ionic Autocomplete - REST Countries API response - names\" width=\"887\" height=\"717\" class=\"aligncenter size-full wp-image-5693\" srcset=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-name.png 887w, https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-name-300x243.png 300w, https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-autocomplete-rest-countries-api-response-name-768x621.png 768w\" sizes=\"auto, (max-width: 887px) 100vw, 887px\" \/><\/a><\/p>\n<p><strong>home.ts<\/strong> \u0107e u tom slu\u010daju izgledati ne\u0161to malo druga\u010dije<\/p>\n<pre class=\"lang:js decode:true \" title=\"home.ts\" >import { Component } from '@angular\/core';\r\nimport { NavController } from 'ionic-angular';\r\nimport { ApiProvider } from '..\/..\/providers\/api-provider';\r\n\r\n@Component({\r\n  selector: 'page-home',\r\n  templateUrl: 'home.html',\r\n  providers: [ApiProvider]\r\n})\r\nexport class HomePage {\r\n\r\n  public autocompleteTags = [];\r\n  public autocompleteItems = [];\r\n\r\n  constructor(public navCtrl: NavController,\r\n              public _apiProvider: ApiProvider) {\r\n\r\n   \/\/Pozivanje funkcije\r\n   this.getCountries();\r\n\r\n  }\r\n\r\n   getCountries(){\r\n     this._apiProvider.loadData().subscribe(res =&gt; {\r\n     console.log(res);\r\n\r\n     for (let i = 0; i &lt; res.length; i++) {  \r\n\r\n        this.autocompleteItems.push(\r\n            res[i].name\r\n        );\r\n\r\n      };\r\n\r\n        console.log(this.autocompleteItems);\r\n    \r\n    });\r\n  } \r\n\r\n}<\/pre>\n<p>A kona\u010dan rezultat mo\u017eete vidjeti u nastavku<\/p>\n<p><a href=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-Autocomplete-demo2.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/Ionic-Autocomplete-demo2.gif\" alt=\"Ionic Autocomplete demo 2\" width=\"364\" height=\"641\" class=\"aligncenter size-full wp-image-5695\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Iako Ionic raspola\u017ee s dosta razli\u010ditih i korisnih komponenti jo\u0161 uvijek me\u0111u njima ne\u0107ete prona\u0107i autocomplete komponentu i prisiljeni ste koristiti neko vanjsko rje\u0161enje. U velikom broju slu\u010dajeva to je nekakav Angular NPM modul, kao \u0161to \u0107e biti slu\u010daj i u ovom blog postu. \u0160to je autocomplete (samodovr\u0161avanje)? To je funkcionalnost koja olak\u0161ava pregled, odabir &hellip; <a href=\"https:\/\/www.tomislavstankovic.com\/blog\/ionic3-autocomplete\/\" class=\"more-link\">Nastavi \u010ditati <span class=\"screen-reader-text\">Ionic 3 &#8211; Autocomplete polje za unos<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":5664,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[564,351],"tags":[421,420,400],"class_list":["post-5663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile","category-razvoj","tag-angular2-tag-input","tag-autocomplete","tag-ionic-3"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ionic 3 - Autocomplete polje za unos - Tomislav Stankovi\u0107<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tomislavstankovic.com\/blog\/ionic3-autocomplete\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ionic 3 - Autocomplete polje za unos - Tomislav Stankovi\u0107\" \/>\n<meta property=\"og:description\" content=\"Iako Ionic raspola\u017ee s dosta razli\u010ditih i korisnih komponenti jo\u0161 uvijek me\u0111u njima ne\u0107ete prona\u0107i autocomplete komponentu i prisiljeni ste koristiti neko vanjsko rje\u0161enje. U velikom broju slu\u010dajeva to je nekakav Angular NPM modul, kao \u0161to \u0107e biti slu\u010daj i u ovom blog postu. \u0160to je autocomplete (samodovr\u0161avanje)? To je funkcionalnost koja olak\u0161ava pregled, odabir &hellip; Nastavi \u010ditati Ionic 3 &#8211; Autocomplete polje za unos\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tomislavstankovic.com\/blog\/ionic3-autocomplete\/\" \/>\n<meta property=\"og:site_name\" content=\"Tomislav Stankovi\u0107\" \/>\n<meta property=\"article:published_time\" content=\"2017-07-16T20:02:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-01-05T17:53:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tomislavstankovic.com\/blog\/wp-content\/uploads\/2017\/07\/ionic-autocomplete-angular.png\" \/>\n\t<meta property=\"og:image:width\" content=\"825\" \/>\n\t<meta property=\"og:image:height\" content=\"510\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Tomislav Stankovi\u0107\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisao\/la\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tomislav Stankovi\u0107\" \/>\n\t<meta name=\"twitter:label2\" content=\"Procijenjeno vrijeme \u010ditanja\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.tomislavstankovic.com\\\/blog\\\/ionic3-autocomplete\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tomislavstankovic.com\\\/blog\\\/ionic3-autocomplete\\\/\"},\"author\":{\"name\":\"Tomislav Stankovi\u0107\",\"@id\":\"https:\\\/\\\/www.tomislavstankovic.com\\\/blog\\\/#\\\/schema\\\/person\\\/0329c549c57700034ea77f5d3d78396d\"},\"headline\":\"Ionic 3 &#8211; 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