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import { EditorState } from "prosemirror-state";
import { EditorView } from "prosemirror-view";
import { FieldViewProps } from "../views/nodes/FieldView";
import "./TooltipTextMenu.scss";
//appears above a selection of text in a RichTextBox to give user options such as Bold, Italics, etc.
export class TooltipLinkingMenu {
private tooltip: HTMLElement;
private view: EditorView;
private editorProps: FieldViewProps;
constructor(view: EditorView, editorProps: FieldViewProps) {
this.view = view;
this.editorProps = editorProps;
this.tooltip = document.createElement("div");
this.tooltip.className = "tooltipMenu linking";
//add the div which is the tooltip
view.dom.parentNode!.parentNode!.appendChild(this.tooltip);
const target = "https://www.google.com";
const link = document.createElement("a");
link.href = target;
link.textContent = target;
link.target = "_blank";
link.style.color = "white";
this.tooltip.appendChild(link);
this.update(view, undefined);
}
//updates the tooltip menu when the selection changes
update(view: EditorView, lastState: EditorState | undefined) {
const state = view.state;
// Don't do anything if the document/selection didn't change
if (lastState && lastState.doc.eq(state.doc) &&
lastState.selection.eq(state.selection)) return;
// Hide the tooltip if the selection is empty
if (state.selection.empty) {
this.tooltip.style.display = "none";
return;
}
console.log("STORED:");
console.log(state.doc.content.firstChild!.content);
// Otherwise, reposition it and update its content
this.tooltip.style.display = "";
const { from, to } = state.selection;
const start = view.coordsAtPos(from), end = view.coordsAtPos(to);
// The box in which the tooltip is positioned, to use as base
const box = this.tooltip.offsetParent!.getBoundingClientRect();
// Find a center-ish x position from the selection endpoints (when
// crossing lines, end may be more to the left)
const left = Math.max((start.left + end.left) / 2, start.left + 3);
this.tooltip.style.left = (left - box.left) * this.editorProps.ScreenToLocalTransform().Scale + "px";
const width = Math.abs(start.left - end.left) / 2 * this.editorProps.ScreenToLocalTransform().Scale;
const mid = Math.min(start.left, end.left) + width;
this.tooltip.style.width = "auto";
this.tooltip.style.bottom = (box.bottom - start.top) * this.editorProps.ScreenToLocalTransform().Scale + "px";
}
destroy() { this.tooltip.remove(); }
}
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