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Re-render thumbnails when images change #6

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merged 1 commit into from
Sep 10, 2016
Merged

Re-render thumbnails when images change #6

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15 changes: 8 additions & 7 deletions src/Gallery.js
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,8 @@ class Gallery extends Component {

if(this.state.images != np.images){
this.setState({
images: np.images
images: np.images,
thumbnails: this.renderThumbs(this._gallery.clientWidth, np.images)
});
}
}
Expand Down Expand Up @@ -170,16 +171,16 @@ class Gallery extends Component {
* (item.thumbnailWidth / item.thumbnailHeight));
}

renderThumbs (containerWidth) {
if (!this.state.images) return [];
renderThumbs (containerWidth, images = this.state.images) {
if (!images) return [];
if (containerWidth == 0) return [];

var items = this.state.images.slice();
var items = images.slice();
for (var t in items) {
this.setThumbScale(items[t]);
}

var images = [];
var thumbs = [];
var rows = [];
while(items.length > 0) {
rows.push(this.buildImageRow(items, containerWidth));
Expand All @@ -188,10 +189,10 @@ class Gallery extends Component {
for(var r in rows) {
for(var i in rows[r]) {
var item = rows[r][i];
images.push(item);
thumbs.push(item);
}
}
return images;
return thumbs;
}

render () {
Expand Down