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import { storiesOf } from '@storybook/angular';
import { withKnobs, text, number, boolean, array, select, color, date, button } from '@storybook/addon-knobs';
import { withNotes } from '@storybook/addon-notes';
import { action, configureActions } from '@storybook/addon-actions';
import { moduleMetadata } from '@storybook/angular';
import { InfiniteScrollDirective } from '../../src/angular/components';
const basicStyle = `
.scroll-container {
margin: 12px;
border: none;
padding: 5px;
width: 200px;
height: 100px;
overflow: auto;
font-size: 20px !important;
box-shadow: #666 1px 1px 10px;
}
.example-source {
background: #eeeeee;
padding: 10px;
border: 1px solid #999999;
}
.example-source pre {
overflow: hidden;
background: #dddddd;
margin-top: 5px;
padding: 5px;
user-select: text;
}
`;
const makeBasicStyleDistance = (distance: number) => `
.scroll-container::after {
display: block;
content: '';
height: ${distance}px;
background: red;
}
`;
storiesOf('Infinite-Scroll', module)
.addDecorator(withKnobs)
.addDecorator(withNotes)
.addDecorator(
moduleMetadata({
declarations: [
InfiniteScrollDirective
],
imports: [
]
})
)
.add('Simple', () => {
const _infiniteScroll = text('infiniteScroll', 'Event throws when scroll reach down');
return {
props: {
hitBottomCount: 0,
onScrollHitBottom: () => {
action('scroll hit bottom')();
this.hitBottomCount++;
},
numLines: Array(20).fill(null)
},
styles: [basicStyle],
template: `
<div (infiniteScroll)="onScrollHitBottom()" class="scroll-container">
<div *ngFor="let _i of numLines; let i=index">
Line {{i + 1}}
</div>
</div>
Hit bottom for <b>{{hitBottomCount}}</b> times!
`
}
},
{ notes: `<h2>Infinite-Scroll</h2>
Simple infinite scroll, throws event when reach bottom (see in action logger).
Use the KNOBS tab to change values.`
}
)
.add('With bottom distance', () => {
const _infiniteScrollDistance = number('infiniteScrollDistance', 20);
const _infiniteScroll = text('infiniteScroll', 'Event throws when scroll reach down');
return {
props: {
hitBottomCount: 0,
onScrollHitBottom: () => {
action('scroll hit bottom')();
this.hitBottomCount++;
},
numLines: Array(20).fill(null),
_infiniteScrollDistance
},
styles: [basicStyle, makeBasicStyleDistance(50)],
template: `
<div (infiniteScroll)="onScrollHitBottom()" [infiniteScrollDistance]="_infiniteScrollDistance" class="scroll-container">
<div *ngFor="let _i of numLines; let i=index">
Line {{i + 1}}
</div>
</div>
Hit bottom for <b>{{hitBottomCount}}</b> times!
`
}
},
{ notes: `<h2>Infinite-Scroll</h2>
Simple infinite scroll with distance at the bottom, throws event when reach bottom (see in action logger).
Use the KNOBS tab to change values.`
}
)
.add('Expanding content synchrony', () => {
const _infiniteScrollDistance = number('infiniteScrollDistance', 20);
const _infiniteScroll = text('infiniteScroll', 'Event throws when scroll reach down');
return {
props: {
hitBottomCount: 0,
onScrollHitBottom: () => {
action('scroll hit bottom')();
this.hitBottomCount++;
this.insertPageImmediately(this.pageCount + 1);
this.pageCount++;
},
numLines: Array(20).fill(null),
_infiniteScrollDistance
},
styles: [basicStyle, makeBasicStyleDistance(50)],
template: `
<div (infiniteScroll)="onScrollHitBottom()" [infiniteScrollDistance]="_infiniteScrollDistance" class="scroll-container">
<div *ngFor="let _i of numLines; let i=index">
Line {{i + 1}}
</div>
</div>
Hit bottom for <b>{{hitBottomCount}}</b> times!
`
}
},
{ notes: `<h2>Infinite-Scroll</h2>
Simple infinite scroll with distance at the bottom, throws event when reach bottom (see in action logger).
Use the KNOBS tab to change values.`
}
)
.add('Expanding content asynchrony', () => {
const _infiniteScrollDistance = number('infiniteScrollDistance', 20);
const _infiniteScroll = text('infiniteScroll', 'Event throws when scroll reach down');
return {
props: {
hitBottomCount: 0,
onScrollHitBottom: () => {
action('scroll hit bottom')();
this.hitBottomCount++;
if (!this.isPageLoading) {
this.isPageLoading = true;
this.loadPageAsync(this.pageCount + 1, 5000).then(() => {
this.pageCount++;
this.isPageLoading = false;
});
}
},
numLines: Array(20).fill(null),
_infiniteScrollDistance
},
styles: [basicStyle, makeBasicStyleDistance(50)],
template: `
<div (infiniteScroll)="onScrollHitBottom()" [infiniteScrollDistance]="_infiniteScrollDistance" class="scroll-container">
<div *ngFor="let _i of numLines; let i=index">
Line {{i + 1}}
</div>
</div>
Hit bottom for <b>{{hitBottomCount}}</b> times!<br/>
Loaded {{pageCount}} pages! <span *ngIf="isPageLoading">LOADING page #{{this.pageCount + 1}} ...</span>
`
}
},
{ notes: `<h2>Infinite-Scroll</h2>
Simple infinite scroll with distance at the bottom, throws event when reach bottom (see in action logger).
Use the KNOBS tab to change values.`
}
)
|
