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import { TextSelection } from "prosemirror-state";
import { Fragment, Node, Slice } from "prosemirror-model";
import React = require("react");
interface ISummaryView {
node: any;
view: any;
getPos: any;
self: any;
}
export class SummaryView extends React.Component<ISummaryView> {
onPointerDown = (e: any) => {
const visible = !this.props.node.attrs.visibility;
const attrs = { ...this.props.node.attrs, visibility: visible };
let textSelection = TextSelection.create(this.props.view.state.doc, this.props.getPos() + 1);
if (!visible) { // update summarized text and save in attrs
textSelection = this.updateSummarizedText(this.props.getPos() + 1);
attrs.text = textSelection.content();
attrs.textslice = attrs.text.toJSON();
}
this.props.view.dispatch(this.props.view.state.tr.
setSelection(textSelection). // select the current summarized text (or where it will be if its collapsed)
replaceSelection(!visible ? new Slice(Fragment.fromArray([]), 0, 0) : this.props.node.attrs.text). // collapse/expand it
setNodeMarkup(this.props.getPos(), undefined, attrs)); // update the attrs
e.preventDefault();
e.stopPropagation();
const _collapsed = document.getElementById('collapse') as HTMLElement;
_collapsed.className = this.className(visible);
}
updateSummarizedText(start?: any) {
const mtype = this.props.view.state.schema.marks.summarize;
const mtypeInc = this.props.view.state.schema.marks.summarizeInclusive;
let endPos = start;
const visited = new Set();
for (let i: number = start + 1; i < this.props.view.state.doc.nodeSize - 1; i++) {
let skip = false;
this.props.view.state.doc.nodesBetween(start, i, (node: Node, pos: number, parent: Node, index: number) => {
if (this.props.node.isLeaf && !visited.has(node) && !skip) {
if (this.props.node.marks.find((m: any) => m.type === mtype || m.type === mtypeInc)) {
visited.add(node);
endPos = i + this.props.node.nodeSize - 1;
}
else skip = true;
}
});
}
return TextSelection.create(this.props.view.state.doc, start, endPos);
}
className = (visible: boolean) => "formattedTextBox-summarizer" + (visible ? "" : "-collapsed");
selectNode() { }
deselectNode() { }
render() {
const _view = this.props.node.view;
const js = this.props.node.toJSon;
this.props.node.toJSON = function () {
return js.apply(this, arguments);
};
const spanCollapsedClassName = this.className(this.props.node.attrs.visibility);
return (
<span
className={spanCollapsedClassName}
id='collapse'
onPointerDown={this.onPointerDown}
>
</span>
);
}
}
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