@jannie-shao/components-antd4/es/layedit/util.js

基于 Antd 4 的组件封装

var REG_PLACEHOLDER = /\$\{[a-zA-Z_-]{1,}\}/g;
var REG_SPACE = new RegExp(String.fromCharCode(8203), 'g');
export var getValue = function getValue(ele) {
  return ele.innerText.replace(REG_SPACE, '').trim();
};
export var formatPlaceholder = function formatPlaceholder(val) {
  return val.replace(REG_PLACEHOLDER, function (w) {
    return "<label contentEditable=\"false\">" + w + "</label>&#8203;";
  });
};
export var formatVal = function formatVal(val) {
  if (val === void 0) {
    val = '';
  }
  var placeholderStr = formatPlaceholder(val);
  return placeholderStr;
};
export var getNextLength = function getNextLength(valNow, length) {
  if (length === void 0) {
    length = 0;
  }
  if (length === 0) return -1;
  if (valNow.length >= length) return 0;
  return length - valNow.length;
};
export var getRange = function getRange(win) {
  if (win === void 0) {
    win = window;
  }
  if (win.getSelection) {
    var sel = win.getSelection();
    return sel.anchorNode.parentNode;
  }
  return win.document;
};
export var setRange = function setRange(ele, win) {
  if (win === void 0) {
    win = window;
  }
  if (win.getSelection) {
    var sel = win.getSelection();
    sel.selectAllChildren(ele);
    sel.collapseToEnd();
  } else if (win.document.selection) {
    var _sel = win.document.selection.createRange();
    _sel.moveToElementText(ele);
    _sel.collapse(false);
    _sel.select();
  }
};
export var insertRange = function insertRange(val, win) {
  if (val === void 0) {
    val = '';
  }
  if (win === void 0) {
    win = window;
  }
  if (win.getSelection) {
    var sel = win.getSelection();
    if (sel.getRangeAt && sel.rangeCount) {
      var range = sel.getRangeAt(0);
      range.deleteContents();
      var el = document.createElement('div');
      el.innerHTML = val;
      var frag = document.createDocumentFragment();
      var childList = el.childNodes;
      var lastNode;
      childList.forEach(function (n) {
        lastNode = frag.appendChild(n);
      });
      range.insertNode(frag);
      if (lastNode) {
        var rangeNew = range.cloneRange();
        rangeNew.setStartAfter(lastNode);
        rangeNew.collapse(true);
        sel.removeAllRanges();
        sel.addRange(rangeNew);
      }
    }
  } else if (win.document.selection && win.document.selection.type !== 'Control') {
    win.document.selection.createRange().pasteHTML(val);
  }
};
export var pasteRange = function pasteRange(e, len, win) {
  if (len === void 0) {
    len = 0;
  }
  if (win === void 0) {
    win = window;
  }
  var clp = (e.originalEvent || e).clipboardData;
  var text = (clp ? clp.getData('text/plain') : win.clipboardData.getData('text')) || '';
  if (text && len !== 0) {
    var textNow = len > 0 ? text.substring(0, len) : text;
    insertRange(textNow, win);
  }
};