You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							296 lines
						
					
					
						
							11 KiB
						
					
					
				
			
		
		
	
	
							296 lines
						
					
					
						
							11 KiB
						
					
					
				'use strict';
 | 
						|
 | 
						|
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
 | 
						|
 | 
						|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 | 
						|
 | 
						|
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
 | 
						|
 | 
						|
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
 | 
						|
 | 
						|
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
 | 
						|
 | 
						|
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
 | 
						|
 | 
						|
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
 | 
						|
 | 
						|
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
 | 
						|
 | 
						|
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
 | 
						|
 | 
						|
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
 | 
						|
 | 
						|
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
 | 
						|
 | 
						|
Object.defineProperty(exports, '__esModule', {
 | 
						|
  value: true
 | 
						|
});
 | 
						|
 | 
						|
var prosemirrorKeymap = require('prosemirror-keymap');
 | 
						|
 | 
						|
var prosemirrorState = require('prosemirror-state');
 | 
						|
 | 
						|
var prosemirrorModel = require('prosemirror-model');
 | 
						|
 | 
						|
var prosemirrorView = require('prosemirror-view');
 | 
						|
 | 
						|
var GapCursor = function (_prosemirrorState$Sel) {
 | 
						|
  _inherits(GapCursor, _prosemirrorState$Sel);
 | 
						|
 | 
						|
  var _super = _createSuper(GapCursor);
 | 
						|
 | 
						|
  function GapCursor($pos) {
 | 
						|
    _classCallCheck(this, GapCursor);
 | 
						|
 | 
						|
    return _super.call(this, $pos, $pos);
 | 
						|
  }
 | 
						|
 | 
						|
  _createClass(GapCursor, [{
 | 
						|
    key: "map",
 | 
						|
    value: function map(doc, mapping) {
 | 
						|
      var $pos = doc.resolve(mapping.map(this.head));
 | 
						|
      return GapCursor.valid($pos) ? new GapCursor($pos) : prosemirrorState.Selection.near($pos);
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "content",
 | 
						|
    value: function content() {
 | 
						|
      return prosemirrorModel.Slice.empty;
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "eq",
 | 
						|
    value: function eq(other) {
 | 
						|
      return other instanceof GapCursor && other.head == this.head;
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "toJSON",
 | 
						|
    value: function toJSON() {
 | 
						|
      return {
 | 
						|
        type: "gapcursor",
 | 
						|
        pos: this.head
 | 
						|
      };
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "getBookmark",
 | 
						|
    value: function getBookmark() {
 | 
						|
      return new GapBookmark(this.anchor);
 | 
						|
    }
 | 
						|
  }], [{
 | 
						|
    key: "fromJSON",
 | 
						|
    value: function fromJSON(doc, json) {
 | 
						|
      if (typeof json.pos != "number") throw new RangeError("Invalid input for GapCursor.fromJSON");
 | 
						|
      return new GapCursor(doc.resolve(json.pos));
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "valid",
 | 
						|
    value: function valid($pos) {
 | 
						|
      var parent = $pos.parent;
 | 
						|
      if (parent.isTextblock || !closedBefore($pos) || !closedAfter($pos)) return false;
 | 
						|
      var override = parent.type.spec.allowGapCursor;
 | 
						|
      if (override != null) return override;
 | 
						|
      var deflt = parent.contentMatchAt($pos.index()).defaultType;
 | 
						|
      return deflt && deflt.isTextblock;
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "findGapCursorFrom",
 | 
						|
    value: function findGapCursorFrom($pos, dir) {
 | 
						|
      var mustMove = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
 | 
						|
 | 
						|
      search: for (;;) {
 | 
						|
        if (!mustMove && GapCursor.valid($pos)) return $pos;
 | 
						|
        var pos = $pos.pos,
 | 
						|
            next = null;
 | 
						|
 | 
						|
        for (var d = $pos.depth;; d--) {
 | 
						|
          var parent = $pos.node(d);
 | 
						|
 | 
						|
          if (dir > 0 ? $pos.indexAfter(d) < parent.childCount : $pos.index(d) > 0) {
 | 
						|
            next = parent.child(dir > 0 ? $pos.indexAfter(d) : $pos.index(d) - 1);
 | 
						|
            break;
 | 
						|
          } else if (d == 0) {
 | 
						|
            return null;
 | 
						|
          }
 | 
						|
 | 
						|
          pos += dir;
 | 
						|
          var $cur = $pos.doc.resolve(pos);
 | 
						|
          if (GapCursor.valid($cur)) return $cur;
 | 
						|
        }
 | 
						|
 | 
						|
        for (;;) {
 | 
						|
          var inside = dir > 0 ? next.firstChild : next.lastChild;
 | 
						|
 | 
						|
          if (!inside) {
 | 
						|
            if (next.isAtom && !next.isText && !prosemirrorState.NodeSelection.isSelectable(next)) {
 | 
						|
              $pos = $pos.doc.resolve(pos + next.nodeSize * dir);
 | 
						|
              mustMove = false;
 | 
						|
              continue search;
 | 
						|
            }
 | 
						|
 | 
						|
            break;
 | 
						|
          }
 | 
						|
 | 
						|
          next = inside;
 | 
						|
          pos += dir;
 | 
						|
 | 
						|
          var _$cur = $pos.doc.resolve(pos);
 | 
						|
 | 
						|
          if (GapCursor.valid(_$cur)) return _$cur;
 | 
						|
        }
 | 
						|
 | 
						|
        return null;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }]);
 | 
						|
 | 
						|
  return GapCursor;
 | 
						|
}(prosemirrorState.Selection);
 | 
						|
 | 
						|
GapCursor.prototype.visible = false;
 | 
						|
GapCursor.findFrom = GapCursor.findGapCursorFrom;
 | 
						|
prosemirrorState.Selection.jsonID("gapcursor", GapCursor);
 | 
						|
 | 
						|
var GapBookmark = function () {
 | 
						|
  function GapBookmark(pos) {
 | 
						|
    _classCallCheck(this, GapBookmark);
 | 
						|
 | 
						|
    this.pos = pos;
 | 
						|
  }
 | 
						|
 | 
						|
  _createClass(GapBookmark, [{
 | 
						|
    key: "map",
 | 
						|
    value: function map(mapping) {
 | 
						|
      return new GapBookmark(mapping.map(this.pos));
 | 
						|
    }
 | 
						|
  }, {
 | 
						|
    key: "resolve",
 | 
						|
    value: function resolve(doc) {
 | 
						|
      var $pos = doc.resolve(this.pos);
 | 
						|
      return GapCursor.valid($pos) ? new GapCursor($pos) : prosemirrorState.Selection.near($pos);
 | 
						|
    }
 | 
						|
  }]);
 | 
						|
 | 
						|
  return GapBookmark;
 | 
						|
}();
 | 
						|
 | 
						|
function closedBefore($pos) {
 | 
						|
  for (var d = $pos.depth; d >= 0; d--) {
 | 
						|
    var index = $pos.index(d),
 | 
						|
        parent = $pos.node(d);
 | 
						|
 | 
						|
    if (index == 0) {
 | 
						|
      if (parent.type.spec.isolating) return true;
 | 
						|
      continue;
 | 
						|
    }
 | 
						|
 | 
						|
    for (var before = parent.child(index - 1);; before = before.lastChild) {
 | 
						|
      if (before.childCount == 0 && !before.inlineContent || before.isAtom || before.type.spec.isolating) return true;
 | 
						|
      if (before.inlineContent) return false;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
function closedAfter($pos) {
 | 
						|
  for (var d = $pos.depth; d >= 0; d--) {
 | 
						|
    var index = $pos.indexAfter(d),
 | 
						|
        parent = $pos.node(d);
 | 
						|
 | 
						|
    if (index == parent.childCount) {
 | 
						|
      if (parent.type.spec.isolating) return true;
 | 
						|
      continue;
 | 
						|
    }
 | 
						|
 | 
						|
    for (var after = parent.child(index);; after = after.firstChild) {
 | 
						|
      if (after.childCount == 0 && !after.inlineContent || after.isAtom || after.type.spec.isolating) return true;
 | 
						|
      if (after.inlineContent) return false;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
function gapCursor() {
 | 
						|
  return new prosemirrorState.Plugin({
 | 
						|
    props: {
 | 
						|
      decorations: drawGapCursor,
 | 
						|
      createSelectionBetween: function createSelectionBetween(_view, $anchor, $head) {
 | 
						|
        return $anchor.pos == $head.pos && GapCursor.valid($head) ? new GapCursor($head) : null;
 | 
						|
      },
 | 
						|
      handleClick: handleClick,
 | 
						|
      handleKeyDown: handleKeyDown,
 | 
						|
      handleDOMEvents: {
 | 
						|
        beforeinput: beforeinput
 | 
						|
      }
 | 
						|
    }
 | 
						|
  });
 | 
						|
}
 | 
						|
 | 
						|
var handleKeyDown = prosemirrorKeymap.keydownHandler({
 | 
						|
  "ArrowLeft": arrow("horiz", -1),
 | 
						|
  "ArrowRight": arrow("horiz", 1),
 | 
						|
  "ArrowUp": arrow("vert", -1),
 | 
						|
  "ArrowDown": arrow("vert", 1)
 | 
						|
});
 | 
						|
 | 
						|
function arrow(axis, dir) {
 | 
						|
  var dirStr = axis == "vert" ? dir > 0 ? "down" : "up" : dir > 0 ? "right" : "left";
 | 
						|
  return function (state, dispatch, view) {
 | 
						|
    var sel = state.selection;
 | 
						|
    var $start = dir > 0 ? sel.$to : sel.$from,
 | 
						|
        mustMove = sel.empty;
 | 
						|
 | 
						|
    if (sel instanceof prosemirrorState.TextSelection) {
 | 
						|
      if (!view.endOfTextblock(dirStr) || $start.depth == 0) return false;
 | 
						|
      mustMove = false;
 | 
						|
      $start = state.doc.resolve(dir > 0 ? $start.after() : $start.before());
 | 
						|
    }
 | 
						|
 | 
						|
    var $found = GapCursor.findGapCursorFrom($start, dir, mustMove);
 | 
						|
    if (!$found) return false;
 | 
						|
    if (dispatch) dispatch(state.tr.setSelection(new GapCursor($found)));
 | 
						|
    return true;
 | 
						|
  };
 | 
						|
}
 | 
						|
 | 
						|
function handleClick(view, pos, event) {
 | 
						|
  if (!view || !view.editable) return false;
 | 
						|
  var $pos = view.state.doc.resolve(pos);
 | 
						|
  if (!GapCursor.valid($pos)) return false;
 | 
						|
  var clickPos = view.posAtCoords({
 | 
						|
    left: event.clientX,
 | 
						|
    top: event.clientY
 | 
						|
  });
 | 
						|
  if (clickPos && clickPos.inside > -1 && prosemirrorState.NodeSelection.isSelectable(view.state.doc.nodeAt(clickPos.inside))) return false;
 | 
						|
  view.dispatch(view.state.tr.setSelection(new GapCursor($pos)));
 | 
						|
  return true;
 | 
						|
}
 | 
						|
 | 
						|
function beforeinput(view, event) {
 | 
						|
  if (event.inputType != "insertCompositionText" || !(view.state.selection instanceof GapCursor)) return false;
 | 
						|
  var $from = view.state.selection.$from;
 | 
						|
  var insert = $from.parent.contentMatchAt($from.index()).findWrapping(view.state.schema.nodes.text);
 | 
						|
  if (!insert) return false;
 | 
						|
  var frag = prosemirrorModel.Fragment.empty;
 | 
						|
 | 
						|
  for (var i = insert.length - 1; i >= 0; i--) {
 | 
						|
    frag = prosemirrorModel.Fragment.from(insert[i].createAndFill(null, frag));
 | 
						|
  }
 | 
						|
 | 
						|
  var tr = view.state.tr.replace($from.pos, $from.pos, new prosemirrorModel.Slice(frag, 0, 0));
 | 
						|
  tr.setSelection(prosemirrorState.TextSelection.near(tr.doc.resolve($from.pos + 1)));
 | 
						|
  view.dispatch(tr);
 | 
						|
  return false;
 | 
						|
}
 | 
						|
 | 
						|
function drawGapCursor(state) {
 | 
						|
  if (!(state.selection instanceof GapCursor)) return null;
 | 
						|
  var node = document.createElement("div");
 | 
						|
  node.className = "ProseMirror-gapcursor";
 | 
						|
  return prosemirrorView.DecorationSet.create(state.doc, [prosemirrorView.Decoration.widget(state.selection.head, node, {
 | 
						|
    key: "gapcursor"
 | 
						|
  })]);
 | 
						|
}
 | 
						|
 | 
						|
exports.GapCursor = GapCursor;
 | 
						|
exports.gapCursor = gapCursor;
 |