spacenerdmo/goober-ionic
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added button to scroll back to top of feed issue #24

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This commit is contained in:
Morgan McMillian 2017-06-25 21:19:49 -07:00
parent 84f09636c9
commit 680a3a0a2c
2 changed files with 30 additions and 3 deletions
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6
src/pages/stream/stream.html
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@ -96,4 +96,10 @@
</button> </button>
</ion-fab> </ion-fab>
<ion-fab *ngIf="showScrollBtn" left bottom>
<button ion-fab color="light" (click)="scrollToTop()">
<ion-icon name="arrow-dropup"></ion-icon>
</button>
</ion-fab>
</ion-content> </ion-content>

27
src/pages/stream/stream.ts
View file

@ -1,5 +1,5 @@
import { Component } from '@angular/core'; import { Component, ViewChild, ChangeDetectorRef } from '@angular/core';
import { ViewController, NavController, NavParams, ModalController } from 'ionic-angular'; import { ViewController, NavController, NavParams, ModalController, Content } from 'ionic-angular';
import { ThreadPage } from '../thread/thread'; import { ThreadPage } from '../thread/thread';
import * as pnut from 'pnut-butter'; import * as pnut from 'pnut-butter';
@ -16,6 +16,8 @@ import * as pnut from 'pnut-butter';
}) })
export class StreamPage { export class StreamPage {
@ViewChild(Content) content: Content;
title: string; title: string;
posts: Array<Object> = []; posts: Array<Object> = [];
since_id: string; since_id: string;
@ -23,9 +25,12 @@ export class StreamPage {
fetcher: any; fetcher: any;
fcaller: any; fcaller: any;
myUsername: string; myUsername: string;
showScrollBtn: boolean = false;
constructor(public navCtrl: NavController, public navParams: NavParams, public modalCtrl: ModalController) { constructor(public navCtrl: NavController, public navParams: NavParams, public modalCtrl: ModalController,
private changeDetectorRef: ChangeDetectorRef) {
// console.log(JSON.stringify(navParams)); // console.log(JSON.stringify(navParams));
switch (navParams.data.stream) { switch (navParams.data.stream) {
case 'global': case 'global':
this.title = 'Global'; this.title = 'Global';
@ -55,6 +60,18 @@ export class StreamPage {
}); });
} }
ngAfterViewInit() {
this.content.ionScroll.subscribe((event) => {
// console.log('scrolling ', event);
if (event.scrollTop > 0) {
this.showScrollBtn = true;
} else {
this.showScrollBtn = false;
}
this.changeDetectorRef.detectChanges();
});
}
fetchOlderPosts(infiniteScroll) { fetchOlderPosts(infiniteScroll) {
let params = {include_raw: 1, include_reposted_by:1, before_id: this.before_id, count: 40}; let params = {include_raw: 1, include_reposted_by:1, before_id: this.before_id, count: 40};
if (this.title === 'Mentions') { if (this.title === 'Mentions') {
@ -231,6 +248,10 @@ export class StreamPage {
newPostModal.present(); newPostModal.present();
} }
scrollToTop() {
this.content.scrollToTop();
}
} }
@Component({ @Component({