1 files changed, 110 insertions, 0 deletions
diff --git a/src/client/views/nodes/FormattedTextBoxComment.tsx b/src/client/views/nodes/FormattedTextBoxComment.tsx
new file mode 100644
index 000000000..9123f8aed
--- /dev/null
+++ b/src/client/views/nodes/FormattedTextBoxComment.tsx
@@ -0,0 +1,110 @@
+import { Plugin, EditorState } from "prosemirror-state"
+import './FormattedTextBoxComment.scss'
+import { ResolvedPos, Mark } from "prosemirror-model";
+import { EditorView } from "prosemirror-view";
+import { Doc } from "../../../new_fields/Doc";
+
+export let selectionSizePlugin = new Plugin({
+    view(editorView) { return new SelectionSizeTooltip(editorView); }
+})
+export function findOtherUserMark(marks: Mark[]): Mark | undefined {
+    return marks.find(m => m.attrs.userid && m.attrs.userid !== Doc.CurrentUserEmail);
+}
+export function findUserMark(marks: Mark[]): Mark | undefined {
+    return marks.find(m => m.attrs.userid);
+}
+export function findStartOfMark(rpos: ResolvedPos, view: EditorView, finder: (marks: Mark[]) => Mark | undefined) {
+    let before = 0;
+    let nbef = rpos.nodeBefore;
+    while (nbef && finder(nbef.marks)) {
+        before += nbef.nodeSize;
+        rpos = view.state.doc.resolve(rpos.pos - nbef.nodeSize);
+        rpos && (nbef = rpos.nodeBefore);
+    }
+    return before;
+}
+export function findEndOfMark(rpos: ResolvedPos, view: EditorView, finder: (marks: Mark[]) => Mark | undefined) {
+    let after = 0;
+    let naft = rpos.nodeAfter;
+    while (naft && finder(naft.marks)) {
+        after += naft.nodeSize;
+        rpos = view.state.doc.resolve(rpos.pos + naft.nodeSize);
+        rpos && (naft = rpos.nodeAfter);
+    }
+    return after;
+}
+
+
+export class SelectionSizeTooltip {
+    static tooltip: HTMLElement;
+    static tooltipText: HTMLElement;
+    static start: number;
+    static end: number;
+    static mark: Mark;
+    static opened: boolean;
+    static textBox: any;
+    constructor(view: any) {
+        if (!SelectionSizeTooltip.tooltip) {
+            const root = document.getElementById("root");
+            let input = document.createElement("input");
+            input.type = "checkbox";
+            SelectionSizeTooltip.tooltip = document.createElement("div");
+            SelectionSizeTooltip.tooltipText = document.createElement("div");
+            SelectionSizeTooltip.tooltip.appendChild(SelectionSizeTooltip.tooltipText);
+            SelectionSizeTooltip.tooltip.className = "FormattedTextBox-tooltip";
+            SelectionSizeTooltip.tooltip.style.pointerEvents = "all";
+            SelectionSizeTooltip.tooltip.appendChild(input);
+            SelectionSizeTooltip.tooltip.onpointerdown = (e: PointerEvent) => {
+                let keep = e.target && (e.target as any).type === "checkbox";
+                SelectionSizeTooltip.opened = keep || !SelectionSizeTooltip.opened;
+                SelectionSizeTooltip.textBox.setAnnotation(
+                    SelectionSizeTooltip.start, SelectionSizeTooltip.end, SelectionSizeTooltip.mark,
+                    SelectionSizeTooltip.opened, keep);
+            };
+            root && root.appendChild(SelectionSizeTooltip.tooltip);
+        }
+        this.update(view, undefined);
+    }
+
+    public static Hide() {
+        SelectionSizeTooltip.textBox = undefined;
+        SelectionSizeTooltip.tooltip && (SelectionSizeTooltip.tooltip.style.display = "none");
+    }
+    public static SetState(textBox: any, opened: boolean, start: number, end: number, mark: Mark) {
+        SelectionSizeTooltip.textBox = textBox;
+        SelectionSizeTooltip.start = start;
+        SelectionSizeTooltip.end = end;
+        SelectionSizeTooltip.mark = mark;
+        SelectionSizeTooltip.opened = opened;
+        SelectionSizeTooltip.textBox && SelectionSizeTooltip.tooltip && (SelectionSizeTooltip.tooltip.style.display = "");
+    }
+
+    update(view: EditorView, lastState?: EditorState) {
+        let 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;
+
+        if (state.selection.$from) {
+            let nbef = findStartOfMark(state.selection.$from, view, findOtherUserMark);
+            let naft = findEndOfMark(state.selection.$from, view, findOtherUserMark);
+            let child = state.selection.$from.nodeBefore;
+            let mark = child && findOtherUserMark(child.marks);
+            if (mark && child && nbef && naft) {
+                SelectionSizeTooltip.tooltipText.textContent = mark.attrs.userid + " " + mark.attrs.modified;
+                // These are in screen coordinates
+                // let start = view.coordsAtPos(state.selection.from), end = view.coordsAtPos(state.selection.to);
+                let start = view.coordsAtPos(state.selection.from - nbef), end = view.coordsAtPos(state.selection.from - nbef);
+                // The box in which the tooltip is positioned, to use as base
+                let box = (document.getElementById("main-div") as any).getBoundingClientRect();
+                // Find a center-ish x position from the selection endpoints (when
+                // crossing lines, end may be more to the left)
+                let left = Math.max((start.left + end.left) / 2, start.left + 3);
+                SelectionSizeTooltip.tooltip.style.left = (left - box.left) + "px";
+                SelectionSizeTooltip.tooltip.style.bottom = (box.bottom - start.top) + "px";
+            }
+        }
+    }
+
+    destroy() { SelectionSizeTooltip.tooltip.style.display = "none" }
+}