https://dfe.eprviamineira.com.br/content/js/plugins/mentions/jquery.caret.js

1(function (root, factory) {
2  if (typeof define === 'function' && define.amd) {
3    // AMD. Register as an anonymous module.
4    define(["jquery"], function ($) {
5      return (root.returnExportsGlobal = factory($));
6    });
7  } else if (typeof exports === 'object') {
8    // Node. Does not work with strict CommonJS, but
9    // only CommonJS-like enviroments that support module.exports,
10    // like Node.
11    module.exports = factory(require("jquery"));
12  } else {
13    factory(jQuery);
14  }
15}(this, function ($) {
16
17//@ sourceMappingURL=jquery.caret.map
18/*
19  Implement Github like autocomplete mentions
20  http://ichord.github.com/At.js
21
22  Copyright (c) 2013 [email protected]
23  Licensed under the MIT license.
24*/
25
26/*
27本插件操作 textarea 或者 input 内的插入符
28只实现了获得插入符在文本框中的位置，我设置
29插入符的位置.
30*/
31
32"use strict";
33var EditableCaret, InputCaret, Mirror, Utils, discoveryIframeOf, methods, oDocument, oFrame, oWindow, pluginName, setContextBy;
34
35pluginName = 'caret';
36
37EditableCaret = (function() {
38  function EditableCaret($inputor) {
39    this.$inputor = $inputor;
40    this.domInputor = this.$inputor[0];
41  }
42
43  EditableCaret.prototype.setPos = function(pos) {
44    var fn, found, offset, sel;
45    if (sel = oWindow.getSelection()) {
46      offset = 0;
47      found = false;
48      (fn = function(pos, parent) {
49        var node, range, _i, _len, _ref, _results;
50        _ref = parent.childNodes;
51        _results = [];
52        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
53          node = _ref[_i];
54          if (found) {
55            break;
56          }
57          if (node.nodeType === 3) {
58            if (offset + node.length >= pos) {
59              found = true;
60              range = oDocument.createRange();
61              range.setStart(node, pos - offset);
62              sel.removeAllRanges();
63              sel.addRange(range);
64              break;
65            } else {
66              _results.push(offset += node.length);
67            }
68          } else {
69            _results.push(fn(pos, node));
70          }
71        }
72        return _results;
73      })(pos, this.domInputor);
74    }
75    return this.domInputor;
76  };
77
78  EditableCaret.prototype.getIEPosition = function() {
79    return this.getPosition();
80  };
81
82  EditableCaret.prototype.getPosition = function() {
83    var inputor_offset, offset;
84    offset = this.getOffset();
85    inputor_offset = this.$inputor.offset();
86    offset.left -= inputor_offset.left;
87    offset.top -= inputor_offset.top;
88    return offset;
89  };
90
91  EditableCaret.prototype.getOldIEPos = function() {
92    var preCaretTextRange, textRange;
93    textRange = oDocument.selection.createRange();
94    preCaretTextRange = oDocument.body.createTextRange();
95    preCaretTextRange.moveToElementText(this.domInputor);
96    preCaretTextRange.setEndPoint("EndToEnd", textRange);

97    return preCaretTextRange.text.length;
98  };
99
100  EditableCaret.prototype.getPos = function() {
101    var clonedRange, pos, range;
102    if (range = this.range()) {
103      clonedRange = range.cloneRange();
104      clonedRange.selectNodeContents(this.domInputor);
105      clonedRange.setEnd(range.endContainer, range.endOffset);
106      pos = clonedRange.toString().length;
107      clonedRange.detach();
108      return pos;
109    } else if (oDocument.selection) {
110      return this.getOldIEPos();
111    }
112  };
113
114  EditableCaret.prototype.getOldIEOffset = function() {
115    var range, rect;
116    range = oDocument.selection.createRange().duplicate();
117    range.moveStart("character", -1);
118    rect = range.getBoundingClientRect();
119    return {
120      height: rect.bottom - rect.top,
121      left: rect.left,
122      top: rect.top
123    };
124  };
125
126  EditableCaret.prototype.getOffset = function(pos) {
127    var clonedRange, offset, range, rect, shadowCaret;
128    if (oWindow.getSelection && (range = this.range())) {
129      if (range.endOffset - 1 > 0 && range.endContainer !== this.domInputor) {
130        clonedRange = range.cloneRange();
131        clonedRange.setStart(range.endContainer, range.endOffset - 1);
132        clonedRange.setEnd(range.endContainer, range.endOffset);
133        rect = clonedRange.getBoundingClientRect();
134        offset = {
135          height: rect.height,
136          left: rect.left + rect.width,
137          top: rect.top
138        };
139        clonedRange.detach();
140      }
141      if (!offset || (offset != null ? offset.height : void 0) === 0) {
142        clonedRange = range.cloneRange();
143        shadowCaret = $(oDocument.createTextNode("|"));
144        clonedRange.insertNode(shadowCaret[0]);
145        clonedRange.selectNode(shadowCaret[0]);
146        rect = clonedRange.getBoundingClientRect();
147        offset = {
148          height: rect.height,
149          left: rect.left,
150          top: rect.top
151        };
152        shadowCaret.remove();
153        clonedRange.detach();
154      }
155    } else if (oDocument.selection) {
156      offset = this.getOldIEOffset();
157    }
158    if (offset) {
159      offset.top += $(oWindow).scrollTop();
160      offset.left += $(oWindow).scrollLeft();
161    }
162    return offset;
163  };
164
165  EditableCaret.prototype.range = function() {
166    var sel;
167    if (!oWindow.getSelection) {
168      return;
169    }
170    sel = oWindow.getSelection();
171    if (sel.rangeCount > 0) {
172      return sel.getRangeAt(0);
173    } else {
174      return null;
175    }
176  };
177
178  return EditableCaret;
179
180})();
181
182InputCaret = (function() {
183  function InputCaret($inputor) {
184    this.$inputor = $inputor;
185    this.domInputor = this.$inputor[0];
186  }
187
188  InputCaret.prototype.getIEPos = function() {
189    var endRange, inputor, len, normalizedValue, pos, range, textInputRange;
190    inputor = this.domInputor;
191    range = oDocument.selection.createRange();
192    pos = 0;
193    if (range && range.parentElement() === inputor) {
194      normalizedValue = inputor.value.replace(/\r\n/g, "\n");
195      len = normalizedValue.length;
196      textInputRange = inputor.createTextRange();
197      textInputRange.moveToBookmark(range.getBookmark());
198      endRange = inputor.createTextRange();
199      endRange.collapse(false);
200      if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
201        pos = len;
202      } else {
203        pos = -textInputRange.moveStart("character", -len);
204      }
205    }
206    return pos;
207  };
208
209  InputCaret.prototype.getPos = function() {
210    if (oDocument.selection) {
211      return this.getIEPos();
212    } else {
213      return this.domInputor.selectionStart;
214    }
215  };
216
217  InputCaret.prototype.setPos = function(pos) {
218    var inputor, range;
219    inputor = this.domInputor;
220    if (oDocument.selection) {
221      range = inputor.createTextRange();
222      range.move("character", pos);
223      range.select();
224    } else if (inputor.setSelectionRange) {
225      inputor.setSelectionRange(pos, pos);
226    }
227    return inputor;
228  };
229
230  InputCaret.prototype.getIEOffset = function(pos) {
231    var h, textRange, x, y;
232    textRange = this.domInputor.createTextRange();
233    pos || (pos = this.getPos());
234    textRange.move('character', pos);
235    x = textRange.boundingLeft;
236    y = textRange.boundingTop;
237    h = textRange.boundingHeight;
238    return {
239      left: x,
240      top: y,
241      height: h
242    };
243  };
244
245  InputCaret.prototype.getOffset = function(pos) {
246    var $inputor, offset, position;
247    $inputor = this.$inputor;
248    if (oDocument.selection) {
249      offset = this.getIEOffset(pos);
250      offset.top += $(oWindow).scrollTop() + $inputor.scrollTop();
251      offset.left += $(oWindow).scrollLeft() + $inputor.scrollLeft();
252      return offset;
253    } else {
254      offset = $inputor.offset();
255      position = this.getPosition(pos);
256      return offset = {
257        left: offset.left + position.left - $inputor.scrollLeft(),
258        top: offset.top + position.top - $inputor.scrollTop(),
259        height: position.height
260      };
261    }
262  };
263
264  InputCaret.prototype.getPosition = function(pos) {
265    var $inputor, at_rect, end_range, format, html, mirror, start_range;
266    $inputor = this.$inputor;
267    format = function(value) {
268      value = value.replace(/<|>|`|"|&/g, '?').replace(/\r\n|\r|\n/g, "<br/>");
269      if (/firefox/i.test(navigator.userAgent)) {
270        value = value.replace(/\s/g, '&nbsp;');
271      }
272      return value;
273    };
274    if (pos === void 0) {
275      pos = this.getPos();
276    }
277    start_range = $inputor.val().slice(0, pos);
278    end_range = $inputor.val().slice(pos);
279    html = "<span style='position: relative; display: inline;'>" + format(start_range) + "</span>";
280    html += "<span id='caret' style='position: relative; display: inline;'>|</span>";
281    html += "<span style='position: relative; display: inline;'>" + format(end_range) + "</span>";
282    mirror = new Mirror($inputor);
283    return at_rect = mirror.create(html).rect();
284  };
285
286  InputCaret.prototype.getIEPosition = function(pos) {
287    var h, inputorOffset, offset, x, y;
288    offset = this.getIEOffset(pos);
289    inputorOffset = this.$inputor.offset();
290    x = offset.left - inputorOffset.left;
291    y = offset.top - inputorOffset.top;
292    h = offset.height;
293    return {
294      left: x,
295      top: y,
296      height: h
297    };
298  };
299
300  return InputCaret;
301
302})();
303
304Mirror = (function() {
305  Mirror.prototype.css_attr = ["borderBottomWidth", "borderLeftWidth", "borderRightWidth", "borderTopStyle", "borderRightStyle", "borderBottomStyle", "borderLeftStyle", "borderTopWidth", "boxSizing", "fontFamily", "fontSize", "fontWeight", "height", "letterSpacing", "lineHeight", "marginBottom", "marginLeft", "marginRight", "marginTop", "outlineWidth", "overflow", "overflowX", "overflowY", "paddingBottom", "paddingLeft", "paddingRight", "paddingTop", "textAlign", "textOverflow", "textTransform", "whiteSpace", "wordBreak", "wordWrap"];
306
307  function Mirror($inputor) {
308    this.$inputor = $inputor;
309  }
310
311  Mirror.prototype.mirrorCss = function() {
312    var css,
313      _this = this;
314    css = {
315      position: 'absolute',
316      left: -9999,
317      top: 0,
318      zIndex: -20000
319    };
320    if (this.$inputor.prop('tagName') === 'TEXTAREA') {
321      this.css_attr.push('width');
322    }
323    $.each(this.css_attr, function(i, p) {
324      return css[p] = _this.$inputor.css(p);
325    });
326    return css;
327  };
328
329  Mirror.prototype.create = function(html) {
330    this.$mirror = $('<div></div>');
331    this.$mirror.css(this.mirrorCss());
332    this.$mirror.html(html);
333    this.$inputor.after(this.$mirror);
334    return this;
335  };
336
337  Mirror.prototype.rect = function() {
338    var $flag, pos, rect;
339    $flag = this.$mirror.find("#caret");
340    pos = $flag.position();
341    rect = {
342      left: pos.left,
343      top: pos.top,
344      height: $flag.height()
345    };
346    this.$mirror.remove();
347    return rect;
348  };
349
350  return Mirror;
351
352})();
353
354Utils = {
355  contentEditable: function($inputor) {
356    return !!($inputor[0].contentEditable && $inputor[0].contentEditable === 'true');
357  }
358};
359
360methods = {
361  pos: function(pos) {
362    if (pos || pos === 0) {
363      return this.setPos(pos);
364    } else {
365      return this.getPos();
366    }
367  },
368  position: function(pos) {
369    if (oDocument.selection) {
370      return this.getIEPosition(pos);
371    } else {
372      return this.getPosition(pos);
373    }
374  },
375  offset: function(pos) {
376    var offset;
377    offset = this.getOffset(pos);
378    return offset;
379  }
380};
381
382oDocument = null;
383
384oWindow = null;
385
386oFrame = null;
387
388setContextBy = function(settings) {
389  var iframe;
390  if (iframe = settings != null ? settings.iframe : void 0) {
391    oFrame = iframe;
392    oWindow = iframe.contentWindow;
393    return oDocument = iframe.contentDocument || oWindow.document;
394  } else {
395    oFrame = void 0;
396    oWindow = window;
397    return oDocument = document;
398  }
399};
400
401discoveryIframeOf = function($dom) {
402  var error;
403  oDocument = $dom[0].ownerDocument;
404  oWindow = oDocument.defaultView || oDocument.parentWindow;
405  try {
406    return oFrame = oWindow.frameElement;
407  } catch (_error) {
408    error = _error;
409  }
410};
411
412$.fn.caret = function(method, value, settings) {
413  var caret;
414  if (methods[method]) {
415    if ($.isPlainObject(value)) {
416      setContextBy(value);
417      value = void 0;
418    } else {
419      setContextBy(settings);
420    }
421    caret = Utils.contentEditable(this) ? new EditableCaret(this) : new InputCaret(this);
422    return methods[method].apply(caret, [value]);
423  } else {
424    return $.error("Method " + method + " does not exist on jQuery.caret");
425  }
426};
427
428$.fn.caret.EditableCaret = EditableCaret;
429
430$.fn.caret.InputCaret = InputCaret;
431

432$.fn.caret.Utils = Utils;
433
434$.fn.caret.apis = methods;
435
436
437}));