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support associating an id with a resize item/handle

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This commit is contained in:
Bruno Windels 2018-11-26 16:46:27 +01:00
parent 35fc5307b6
commit f7a37be6dd
2 changed files with 17 additions and 4 deletions
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2
src/components/views/elements/ResizeHandle.js
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@ -14,7 +14,7 @@ const ResizeHandle = (props) => {
classNames.push('mx_ResizeHandle_reverse');
}
return (
<div className={classNames.join(' ')} />
<div className={classNames.join(' ')} data-id={props.id} />
);
};

19
src/resizer/resizer.js
View file

@ -64,8 +64,19 @@ export class Resizer {
forHandleAt(handleIndex) {
const handles = this._getResizeHandles();
const handle = handles[handleIndex];
const {distributor} = this._createSizerAndDistributor(handle);
return distributor;
if (handle) {
const {distributor} = this._createSizerAndDistributor(handle);
return distributor;
}
}
forHandleWithId(id) {
const handles = this._getResizeHandles();
const handle = handles.find((h) => h.getAttribute("data-id") === id);
if (handle) {
const {distributor} = this._createSizerAndDistributor(handle);
return distributor;
}
}
_isResizeHandle(el) {
@ -79,6 +90,7 @@ export class Resizer {
}
// prevent starting a drag operation
event.preventDefault();
// mark as currently resizing
if (this.classNames.resizing) {
this.container.classList.add(this.classNames.resizing);
@ -115,9 +127,10 @@ export class Resizer {
// if reverse, resize the item after the handle instead of before, so + 1
const itemIndex = items.indexOf(prevItem) + (reverse ? 1 : 0);
const item = items[itemIndex];
const id = resizeHandle.getAttribute("data-id");
// eslint-disable-next-line new-cap
const distributor = new this.distributorCtor(
sizer, item, this.distributorCfg,
sizer, item, id, this.distributorCfg,
items, this.container);
return {sizer, distributor};
}