Files
Iris/src/js/components/Thumbnail.js

106 lines
3.1 KiB
JavaScript
Executable File

import React, { PropTypes } from 'react'
import { connect } from 'react-redux'
import { createStore, bindActionCreators } from 'redux'
import FontAwesome from 'react-fontawesome'
import LazyLoad from 'react-lazyload'
import * as helpers from '../helpers'
import * as uiActions from '../services/ui/actions'
class Thumbnail extends React.Component{
constructor(props) {
super(props);
}
/*
// TODO: ascertain whether this is improving or hindering performance
// The UI appears to work perfectly fine without this
shouldComponentUpdate(nextProps, nextState){
// no images at all, and we already know it
if (!nextProps.image && !this.props.image && !nextProps.images && !this.props.images) return false
// image changed
if (!this.props.image && nextProps.image) return true
if (this.props.image && nextProps.image) return true
if (this.props.image != nextProps.image) return true
// images array changed
if (this.props.images === undefined && nextProps.images ) return true
if (this.props.images && nextProps.images === undefined) return true
if (this.props.images && !nextProps.images || this.props.images.length != nextProps.images.length ) return true
// image item changed
var size = 'medium'
var images = helpers.sizedImages( nextProps.images )
if (this.props.size ) size = this.props.size
if (this.props.images[size] != images[size]) return true
return false
}
*/
mapImageSizes( props = this.props ){
// no images
if( !this.props.image && !this.props.images ){
return require('../../assets/no-image.svg')
// single image
}else if( this.props.image ){
return this.props.image
// multiple images
}else if( this.props.images && this.props.images.length > 0 ){
var images = helpers.sizedImages( this.props.images )
var size = 'medium'
if( this.props.size ) size = this.props.size
return images[size]
}
}
zoom(e, image){
e.preventDefault()
this.props.uiActions.openModal('image_zoom', {url: image} )
}
render(){
var image = this.mapImageSizes()
var class_name = 'thumbnail '
if( this.props.size ) class_name += ' '+this.props.size
if( this.props.circle ) class_name += ' circle'
if( this.props.className ) class_name += ' '+this.props.className
var zoom_icon = null
if (this.props.canZoom){
zoom_icon = <span className="zoom" onClick={e => this.zoom(e,image)}><FontAwesome name="search" /></span>
}
/*
// It's a great idea, but interferes with huge lists (like Albums library)
<LazyLoad height={600} placeholder={<div className="image"></div>}>
<div className="image loaded" style={{backgroundImage: 'url("'+image+'")'}}></div>
</LazyLoad>
*/
return (
<div className={class_name}>
<div className="image loaded" style={{backgroundImage: 'url("'+image+'")'}}></div>
{zoom_icon}
</div>
);
}
}
const mapStateToProps = (state, ownProps) => {
return {}
}
const mapDispatchToProps = (dispatch) => {
return {
uiActions: bindActionCreators(uiActions, dispatch)
}
}
export default connect(mapStateToProps, mapDispatchToProps)(Thumbnail)