From 91cbf2260bd4272518abe6e15f611863e21b3e83 Mon Sep 17 00:00:00 2001
From: Nulo <git@nulo.in>
Date: Thu, 31 Aug 2023 10:36:21 -0300
Subject: [PATCH] traer cambios de enlaces de sutty/editor

---
 package.json                              |   1 +
 pnpm-lock.yaml                            |  20 +++
 src/editor/Editor.svelte                  |  12 +-
 src/editor/bubblemenu/EditLinkMenu.svelte | 142 ++++++++++++++++++++++
 src/editor/bubblemenu/LinkTooltip.svelte  | 103 ++++++++++++++++
 src/editor/bubblemenu/floatingUi.ts       |  41 +++++++
 src/editor/ps-utils.ts                    |  99 +++++++++++++--
 7 files changed, 406 insertions(+), 12 deletions(-)
 create mode 100644 src/editor/bubblemenu/EditLinkMenu.svelte
 create mode 100644 src/editor/bubblemenu/LinkTooltip.svelte
 create mode 100644 src/editor/bubblemenu/floatingUi.ts

diff --git a/package.json b/package.json
index 0ec3595..741fb5d 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,7 @@
     "vite": "^4.2.2"
   },
   "dependencies": {
+    "@floating-ui/dom": "^1.5.1",
     "bootstrap-icons": "^1.10.4",
     "eva-icons": "^1.1.3",
     "idb-keyval": "^6.2.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4d06bde..786d592 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -5,6 +5,9 @@ settings:
   excludeLinksFromLockfile: false
 
 dependencies:
+  '@floating-ui/dom':
+    specifier: ^1.5.1
+    version: 1.5.1
   bootstrap-icons:
     specifier: ^1.10.4
     version: 1.10.4
@@ -330,6 +333,23 @@ packages:
     dev: true
     optional: true
 
+  /@floating-ui/core@1.4.1:
+    resolution: {integrity: sha512-jk3WqquEJRlcyu7997NtR5PibI+y5bi+LS3hPmguVClypenMsCY3CBa3LAQnozRCtCrYWSEtAdiskpamuJRFOQ==}
+    dependencies:
+      '@floating-ui/utils': 0.1.1
+    dev: false
+
+  /@floating-ui/dom@1.5.1:
+    resolution: {integrity: sha512-KwvVcPSXg6mQygvA1TjbN/gh///36kKtllIF8SUm0qpFj8+rvYrpvlYdL1JoA71SHpDqgSSdGOSoQ0Mp3uY5aw==}
+    dependencies:
+      '@floating-ui/core': 1.4.1
+      '@floating-ui/utils': 0.1.1
+    dev: false
+
+  /@floating-ui/utils@0.1.1:
+    resolution: {integrity: sha512-m0G6wlnhm/AX0H12IOWtK8gASEMffnX08RtKkCgTdHb9JpHKGloI7icFfLg9ZmQeavcvR0PKmzxClyuFPSjKWw==}
+    dev: false
+
   /@jridgewell/gen-mapping@0.3.3:
     resolution: {integrity: sha512-HLhSWOLRi875zjjMG/r+Nv0oCW8umGb0BgEhyX3dDX3egwZtB8PqLnjz3yedt8R5StBrzcg4aBpnh8UA9D1BoQ==}
     engines: {node: '>=6.0.0'}
diff --git a/src/editor/Editor.svelte b/src/editor/Editor.svelte
index 3767be7..3a9f514 100644
--- a/src/editor/Editor.svelte
+++ b/src/editor/Editor.svelte
@@ -16,12 +16,17 @@
   // import { placeholderPlugin } from "./upload";
   import { baseKeymap } from "./keymap";
   import type { WorldY } from "../lib/doc";
+  import { writable } from "svelte/store";
+  import EditLinkMenu from "./bubblemenu/EditLinkMenu.svelte";
+  import LinkTooltip from "./bubblemenu/LinkTooltip.svelte";
 
   export let doc: XmlFragment;
   export let worldY: WorldY;
 
   let wrapperEl: HTMLElement;
 
+  const editingLink = writable<false | "new" | "selection">(false);
+
   function createState(doc: XmlFragment): EditorState {
     return EditorState.create({
       schema,
@@ -69,9 +74,14 @@
 <div class="editor min-h-screen">
   {#if view}
     <MenuBar {view} state={updatedState} />
+    <EditLinkMenu state={updatedState} {view} {editingLink} />
+    <LinkTooltip state={updatedState} {view} {editingLink} />
   {/if}
   <!-- this element gets replaced with the editor itself when mounted -->
-  <div class="prose dark:prose-invert before:prose-p:content-none after:prose-p:content-none prose-blockquote:font-normal prose-blockquote:not-italic max-w-none min-h-screen" bind:this={wrapperEl} />
+  <div
+    class="prose min-h-screen max-w-none dark:prose-invert before:prose-p:content-none after:prose-p:content-none prose-blockquote:font-normal prose-blockquote:not-italic"
+    bind:this={wrapperEl}
+  />
   {#if view}
     <BubbleMenu {view} {worldY} state={updatedState} />
   {/if}
diff --git a/src/editor/bubblemenu/EditLinkMenu.svelte b/src/editor/bubblemenu/EditLinkMenu.svelte
new file mode 100644
index 0000000..06a125c
--- /dev/null
+++ b/src/editor/bubblemenu/EditLinkMenu.svelte
@@ -0,0 +1,142 @@
+<script lang="ts">
+  import type { EditorState } from "prosemirror-state";
+  import type { EditorView } from "prosemirror-view";
+  import { getFirstMarkInSelection } from "../ps-utils";
+  import { readable, type Writable } from "svelte/store";
+  import { nanoid } from "nanoid";
+  import { markSelectionFloatingUi } from "./floatingUi";
+  import { autoPlacement, shift, offset } from "@floating-ui/dom";
+
+  export let state: EditorState;
+  export let view: EditorView;
+  export let editingLink: Writable<false | "new" | "selection">;
+
+  let hrefInputEl: HTMLInputElement;
+  let formEl: HTMLFormElement;
+
+  // ref: https://gitlab.com/gitlab-org/gitlab-foss/-/blob/13d851c795a48b670b859a7ec5bd6e2886d2789e/app/assets/javascripts/content_editor/components/bubble_menus/link_bubble_menu.vue#L69
+
+  let text = "";
+  let href = "";
+
+  function onChangeEditingLink(editingLink: false | "new" | "selection") {
+    if (!editingLink) return;
+    text = "";
+    href = "";
+
+    // el timeout... ugh
+    hrefInputEl?.focus();
+    setTimeout(() => hrefInputEl?.focus(), 50);
+    setTimeout(() => hrefInputEl?.focus(), 100);
+
+    if (editingLink === "selection") {
+      // https://gitlab.com/gitlab-org/gitlab-foss/-/blob/13d851c795a48b670b859a7ec5bd6e2886d2789e/app/assets/javascripts/content_editor/components/bubble_menus/link_bubble_menu.vue#L69
+      text = getSelectionText(view.state);
+      const match = getFirstMarkInSelection(
+        view.state,
+        view.state.schema.marks.link,
+      );
+      if (!match) return;
+      href = match.mark.attrs.href;
+    }
+  }
+  $: onChangeEditingLink($editingLink);
+
+  function onSubmit() {
+    const { from, to } = view.state.selection;
+    const mark = view.state.schema.marks.link.create({ href });
+
+    if ($editingLink === "new") {
+      view.dispatch(
+        view.state.tr
+          .ensureMarks([mark])
+          .insertText(text, from, from)
+          .removeStoredMark(mark),
+      );
+    } else if ($editingLink === "selection") {
+      let tr = view.state.tr;
+      tr.addMark(from, to, mark);
+      const currentText = getSelectionText(view.state);
+      if (currentText !== text)
+        tr.ensureMarks([mark])
+          .insertText(text, from, to)
+          .removeStoredMark(mark);
+
+      view.dispatch(tr);
+    }
+
+    $editingLink = false;
+  }
+  function cancel() {
+    $editingLink = false;
+  }
+
+  function detectFocus(event: any) {
+    if (!formEl.contains(event.target)) cancel();
+  }
+
+  function getSelectionText(state: EditorState) {
+    return state.doc.textBetween(state.selection.from, state.selection.to, " ");
+  }
+  const id = nanoid();
+
+  $: shown = !!$editingLink;
+
+  $: linkMatch =
+    state && getFirstMarkInSelection(view.state, view.state.schema.marks.link);
+  $: style =
+    shown && linkMatch
+      ? markSelectionFloatingUi(view, linkMatch, formEl, {
+          placement: "top",
+          middleware: [offset(6), autoPlacement(), shift({ padding: 5 })],
+        })
+      : readable("");
+</script>
+
+<svelte:document on:pointerdown={detectFocus} />
+
+<form
+  class="rounded-lg bg-white shadow-lg"
+  style={$style}
+  hidden={!shown}
+  bind:this={formEl}
+  on:submit|preventDefault={onSubmit}
+>
+  <div class="form-group">
+    <label for={`link-text-${id}`} class="col-form-label d-block">Texto</label>
+    <input
+      class="form-control"
+      id={`link-text-${id}`}
+      type="text"
+      bind:value={text}
+    />
+  </div>
+  <div class="form-group was-validated">
+    <label for={`link-href-${id}`} class="col-form-label d-block">Enlace</label>
+    <input
+      class="form-control"
+      id={`link-href-${id}`}
+      type="url"
+      bind:this={hrefInputEl}
+      bind:value={href}
+    />
+  </div>
+  <div class="d-flex justify-content-end buttons">
+    <button type="button" class="btn btn-secondary" on:click={cancel}
+      >Cancelar</button
+    >
+    <button type="submit" class="btn btn-primary">Guardar</button>
+  </div>
+</form>
+
+<style>
+  form {
+    width: max-content;
+    position: absolute;
+    z-index: 420;
+    padding: 1rem;
+  }
+  .buttons {
+    gap: 0.5rem;
+  }
+</style>
diff --git a/src/editor/bubblemenu/LinkTooltip.svelte b/src/editor/bubblemenu/LinkTooltip.svelte
new file mode 100644
index 0000000..98d934b
--- /dev/null
+++ b/src/editor/bubblemenu/LinkTooltip.svelte
@@ -0,0 +1,103 @@
+<script lang="ts">
+  import type { EditorState } from "prosemirror-state";
+  import {
+    getFirstMarkInSelection,
+    getMarkRange,
+    removeMark,
+    selectMark,
+  } from "../ps-utils";
+  import type { EditorView } from "prosemirror-view";
+  import { markSelectionFloatingUi } from "./floatingUi";
+  import { readable, type Writable } from "svelte/store";
+  import { flip, shift, offset } from "@floating-ui/dom";
+
+  export let state: EditorState;
+  export let view: EditorView;
+  export let editingLink: Writable<false | "new" | "selection">;
+
+  let tooltipEl: HTMLElement;
+  $: markType = view.state.schema.marks.link;
+  $: link = state && getFirstMarkInSelection(view.state, markType);
+  $: shown = !!link && !$editingLink;
+
+  $: style =
+    shown && link
+      ? markSelectionFloatingUi(view, link, tooltipEl, {
+          placement: "bottom",
+          middleware: [offset(6), flip(), shift({ padding: 5 })],
+        })
+      : readable("");
+
+  function editLink() {
+    if (!link) return;
+    selectMark(link, view.state, view.dispatch);
+    $editingLink = "selection";
+  }
+  function removeLink() {
+    const range = getMarkRange(state.selection.$from, markType);
+    if (!range)
+      throw new Error("removeLink: Couldn't get mark range to remove");
+    view.dispatch(state.tr.removeMark(range.from, range.to, markType));
+  }
+</script>
+
+<div
+  class="x-tooltip bg-gray"
+  class:flex={shown}
+  class:hidden={!shown}
+  bind:this={tooltipEl}
+  style={$style}
+>
+  <!-- TODO: hacer que el clickeable sea relativo a la url final del sitio? -->
+  <span>
+    <a
+      href={link?.mark.attrs.href}
+      rel="noopener noreferrer nofollow"
+      target="_blank"
+    >
+      {link?.mark.attrs.href}
+    </a>
+  </span>
+  <button type="button" on:click={editLink}>
+    <i class={`fa fa-edit`} title={"Editar enlace"} />
+  </button>
+  <button type="button" on:click={removeLink}>
+    <i class={`fa fa-remove`} title={"Borrar enlace"} />
+  </button>
+</div>
+
+<style>
+  .x-tooltip {
+    width: max-content;
+    position: absolute;
+    background: #222;
+    color: white;
+    border-radius: 4px;
+    z-index: 420;
+    line-height: 1;
+
+    align-items: center;
+  }
+  .x-tooltip > * {
+    padding: 0.4rem 0.5rem;
+  }
+  a {
+    display: block;
+    color: lightblue;
+    max-width: 50vw;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    overflow: hidden;
+  }
+  button {
+    background: #222;
+    color: white;
+    border: none;
+    appearance: none;
+    font-size: 1.5rem;
+    border-radius: 4px;
+  }
+  button:hover {
+    background: #444;
+  }
+</style>
diff --git a/src/editor/bubblemenu/floatingUi.ts b/src/editor/bubblemenu/floatingUi.ts
new file mode 100644
index 0000000..9e6f280
--- /dev/null
+++ b/src/editor/bubblemenu/floatingUi.ts
@@ -0,0 +1,41 @@
+import { readable, type Readable } from "svelte/store";
+import {
+  computePosition,
+  autoUpdate,
+  autoPlacement,
+  shift,
+  offset,
+} from "@floating-ui/dom";
+import type { ComputePositionConfig } from "@floating-ui/dom/src/types";
+import type { MarkMatch } from "../ps-utils";
+import type { EditorView } from "prosemirror-view";
+
+export type Style = string;
+
+export function floatingUi(
+  refEl: Element,
+  tooltipEl: HTMLElement,
+  options?: Partial<ComputePositionConfig>,
+): Readable<Style> {
+  return {
+    subscribe(run, invalidate) {
+      return autoUpdate(refEl, tooltipEl, () => {
+        computePosition(refEl, tooltipEl, options).then(({ x, y }) => {
+          run(`left: ${x}px; top: ${y}px`);
+        });
+      });
+    },
+  };
+}
+
+export function markSelectionFloatingUi(
+  view: EditorView,
+  mark: MarkMatch,
+  tooltipEl: HTMLElement,
+  options?: Partial<ComputePositionConfig>,
+): Readable<Style> {
+  let { node } = (view as any).docView.domFromPos(view.state.selection.from);
+  if (!node || !mark || !tooltipEl) return readable("");
+  if (!(node instanceof Element)) node = node.parentElement;
+  return floatingUi(node, tooltipEl, options);
+}
diff --git a/src/editor/ps-utils.ts b/src/editor/ps-utils.ts
index 6583a1a..863e3f4 100644
--- a/src/editor/ps-utils.ts
+++ b/src/editor/ps-utils.ts
@@ -6,7 +6,12 @@ import type {
   ResolvedPos,
   Node as ProsemirrorNode,
 } from "prosemirror-model";
-import type { EditorState } from "prosemirror-state";
+import {
+  EditorState,
+  Selection,
+  TextSelection,
+  Transaction,
+} from "prosemirror-state";
 import type { EditorView } from "prosemirror-view";
 
 export type Command = (
@@ -66,15 +71,15 @@ export function updateMark(type: MarkType, attrs: any): Command {
     const { ranges, empty } = selection;
 
     if (empty) {
-      const range = getMarkRange(selection.$from, type);
-      if (!range) throw new Error("What the fuck");
-      const { from, to } = range;
+      if (doc.rangeHasMark(selection.from, selection.to, type)) {
+        const range = getMarkRange(selection.$from, type);
+        if (!range) throw new Error("What the fuck");
+        const { from, to } = range;
 
-      if (doc.rangeHasMark(from, to, type)) {
         tr.removeMark(from, to, type);
+      } else {
+        tr.addStoredMark(type.create(attrs));
       }
-
-      tr.addMark(from, to, type.create(attrs));
     } else {
       ranges.forEach((ref$1) => {
         const { $to, $from } = ref$1;
@@ -174,7 +179,7 @@ export function getAttrFn(attrKey: string): (state: EditorState) => any {
   return (state) => {
     let { from, to } = state.selection;
     let value: any = undefined;
-    state.doc.nodesBetween(from, to, (node) => {
+    state.doc.nodesBetween(from, to, (node, pos) => {
       if (value !== undefined) return false;
       if (!node.isTextblock) return;
       if (attrKey in node.attrs) value = node.attrs[attrKey];
@@ -183,9 +188,63 @@ export function getAttrFn(attrKey: string): (state: EditorState) => any {
   };
 }
 
+// Adaptado de
+// https://github.com/ueberdosis/tiptap/blob/8c6751f0c638effb22110b62b40a1632ea6867c9/packages/core/src/helpers/isMarkActive.ts#L18
 export function markIsActive(state: EditorState, type: MarkType): boolean {
-  let { from, to } = state.selection;
-  return state.doc.rangeHasMark(from, to, type);
+  const { empty, ranges } = state.selection;
+
+  if (empty) {
+    return !!(state.storedMarks || state.selection.$from.marks()).some(
+      (mark) => type.name === mark.type.name,
+    );
+  }
+
+  let selectionRange = 0;
+  const markRanges: {
+    mark: Mark;
+    from: number;
+    to: number;
+  }[] = [];
+
+  ranges.forEach(({ $from, $to }) => {
+    const from = $from.pos;
+    const to = $to.pos;
+
+    state.doc.nodesBetween(from, to, (node, pos) => {
+      if (!node.isText && !node.marks.length) return;
+
+      const relativeFrom = Math.max(from, pos);
+      const relativeTo = Math.min(to, pos + node.nodeSize);
+      const range = relativeTo - relativeFrom;
+
+      selectionRange += range;
+
+      markRanges.push(
+        ...node.marks.map((mark) => ({
+          mark,
+          from: relativeFrom,
+          to: relativeTo,
+        })),
+      );
+    });
+  });
+
+  if (selectionRange === 0) return false;
+
+  const matchedRange = markRanges
+    .filter((markRange) => type.name === markRange.mark.type.name)
+    .reduce((sum, markRange) => sum + markRange.to - markRange.from, 0);
+
+  const excludedRange = markRanges
+    .filter(
+      (markRange) =>
+        markRange.mark.type !== type && markRange.mark.type.excludes(type),
+    )
+    .reduce((sum, markRange) => sum + markRange.to - markRange.from, 0);
+
+  const range = matchedRange > 0 ? matchedRange + excludedRange : matchedRange;
+
+  return range >= selectionRange;
 }
 
 export interface MarkMatch {
@@ -198,16 +257,34 @@ export function getFirstMarkInSelection(
   state: EditorState,
   type: MarkType,
 ): MarkMatch | null {
-  const { to, from } = state.selection;
+  const { to, from, empty } = state.selection;
 
   let match: MarkMatch | null = null;
+
   state.selection.$from.doc.nodesBetween(from, to, (node, position) => {
     if (!match) {
       const mark = type.isInSet(node.marks);
       if (!mark) return;
+      if (!markIsActive(state, type)) return;
       match = { node, position, mark };
     }
   });
 
   return match;
 }
+
+export function selectMark(
+  mark: MarkMatch,
+  state: EditorState,
+  dispatch: EditorView["dispatch"],
+) {
+  dispatch(
+    state.tr.setSelection(
+      TextSelection.create(
+        state.doc,
+        mark.position,
+        mark.position + mark.node.nodeSize,
+      ),
+    ),
+  );
+}