only fire onCollapsed once when changing

pull/21833/head
Bruno Windels 2018-10-16 18:43:13 +02:00
parent 28ec0f7462
commit 3a26f0fa12
1 changed files with 9 additions and 5 deletions

View File

@ -26,24 +26,28 @@ class CollapseDistributor extends FixedDistributor {
super(sizer, item, config); super(sizer, item, config);
this.toggleSize = config && config.toggleSize; this.toggleSize = config && config.toggleSize;
this.onCollapsed = config && config.onCollapsed; this.onCollapsed = config && config.onCollapsed;
this.isCollapsed = false;
} }
resize(offset) { resize(offset) {
let newSize = this.sizeFromOffset(offset); let newSize = this.sizeFromOffset(offset);
if (newSize < this.toggleSize) { const isCollapsedSize = newSize < this.toggleSize;
this.item.classList.add("collapsed"); if (isCollapsedSize && !this.isCollapsed) {
this.isCollapsed = true;
if (this.onCollapsed) { if (this.onCollapsed) {
this.onCollapsed(true, this.item); this.onCollapsed(true, this.item);
} }
} }
else { else if (!isCollapsedSize && this.isCollapsed) {
this.item.classList.remove("collapsed");
if (this.onCollapsed) { if (this.onCollapsed) {
this.onCollapsed(false, this.item); this.onCollapsed(false, this.item);
} }
this.isCollapsed = false;
} }
if (!isCollapsedSize) {
super.resize(offset); super.resize(offset);
} }
}
} }
class PercentageDistributor { class PercentageDistributor {