LaravelTest

1
// CodeMirror, copyright (c) by Marijn Haverbeke and others
2
// Distributed under an MIT license: https://codemirror.net/LICENSE
3

4
(function(mod) {
5
  if (typeof exports == "object" && typeof module == "object") // CommonJS
6
    mod(require("../../lib/codemirror"));
7
  else if (typeof define == "function" && define.amd) // AMD
8
    define(["../../lib/codemirror"], mod);
9
  else // Plain browser env
10
    mod(CodeMirror);
11
})(function(CodeMirror) {
12
  "use strict";
13

14
  CodeMirror.defineExtension("annotateScrollbar", function(options) {
15
    if (typeof options == "string") options = {className: options};
16
    return new Annotation(this, options);
17
  });
18

19
  CodeMirror.defineOption("scrollButtonHeight", 0);
20

21
  function Annotation(cm, options) {
22
    this.cm = cm;
23
    this.options = options;
24
    this.buttonHeight = options.scrollButtonHeight || cm.getOption("scrollButtonHeight");
25
    this.annotations = [];
26
    this.doRedraw = this.doUpdate = null;
27
    this.div = cm.getWrapperElement().appendChild(document.createElement("div"));
28
    this.div.style.cssText = "position: absolute; right: 0; top: 0; z-index: 7; pointer-events: none";
29
    this.computeScale();
30

31
    function scheduleRedraw(delay) {
32
      clearTimeout(self.doRedraw);
33
      self.doRedraw = setTimeout(function() { self.redraw(); }, delay);
34
    }
35

36
    var self = this;
37
    cm.on("refresh", this.resizeHandler = function() {
38
      clearTimeout(self.doUpdate);
39
      self.doUpdate = setTimeout(function() {
40
        if (self.computeScale()) scheduleRedraw(20);
41
      }, 100);
42
    });
43
    cm.on("markerAdded", this.resizeHandler);
44
    cm.on("markerCleared", this.resizeHandler);
45
    if (options.listenForChanges !== false)
46
      cm.on("changes", this.changeHandler = function() {
47
        scheduleRedraw(250);
48
      });
49
  }
50

51
  Annotation.prototype.computeScale = function() {
52
    var cm = this.cm;
53
    var hScale = (cm.getWrapperElement().clientHeight - cm.display.barHeight - this.buttonHeight * 2) /
54
      cm.getScrollerElement().scrollHeight
55
    if (hScale != this.hScale) {
56
      this.hScale = hScale;
57
      return true;
58
    }
59
  };
60

61
  Annotation.prototype.update = function(annotations) {
62
    this.annotations = annotations;
63
    this.redraw();
64
  };
65

66
  Annotation.prototype.redraw = function(compute) {
67
    if (compute !== false) this.computeScale();
68
    var cm = this.cm, hScale = this.hScale;
69

70
    var frag = document.createDocumentFragment(), anns = this.annotations;
71

72
    var wrapping = cm.getOption("lineWrapping");
73
    var singleLineH = wrapping && cm.defaultTextHeight() * 1.5;
74
    var curLine = null, curLineObj = null;
75

76
    function getY(pos, top) {
77
      if (curLine != pos.line) {
78
        curLine = pos.line
79
        curLineObj = cm.getLineHandle(pos.line)
80
        var visual = cm.getLineHandleVisualStart(curLineObj)
81
        if (visual != curLineObj) {
82
          curLine = cm.getLineNumber(visual)
83
          curLineObj = visual
84
        }
85
      }
86
      if ((curLineObj.widgets && curLineObj.widgets.length) ||
87
          (wrapping && curLineObj.height > singleLineH))
88
        return cm.charCoords(pos, "local")[top ? "top" : "bottom"];
89
      var topY = cm.heightAtLine(curLineObj, "local");
90
      return topY + (top ? 0 : curLineObj.height);
91
    }
92

93
    var lastLine = cm.lastLine()
94
    if (cm.display.barWidth) for (var i = 0, nextTop; i < anns.length; i++) {
95
      var ann = anns[i];
96
      if (ann.to.line > lastLine) continue;
97
      var top = nextTop || getY(ann.from, true) * hScale;
98
      var bottom = getY(ann.to, false) * hScale;
99
      while (i < anns.length - 1) {
100
        if (anns[i + 1].to.line > lastLine) break;
101
        nextTop = getY(anns[i + 1].from, true) * hScale;
102
        if (nextTop > bottom + .9) break;
103
        ann = anns[++i];
104
        bottom = getY(ann.to, false) * hScale;
105
      }
106
      if (bottom == top) continue;
107
      var height = Math.max(bottom - top, 3);
108

109
      var elt = frag.appendChild(document.createElement("div"));
110
      elt.style.cssText = "position: absolute; right: 0px; width: " + Math.max(cm.display.barWidth - 1, 2) + "px; top: "
111
        + (top + this.buttonHeight) + "px; height: " + height + "px";
112
      elt.className = this.options.className;
113
      if (ann.id) {
114
        elt.setAttribute("annotation-id", ann.id);
115
      }
116
    }
117
    this.div.textContent = "";
118
    this.div.appendChild(frag);
119
  };
120

121
  Annotation.prototype.clear = function() {
122
    this.cm.off("refresh", this.resizeHandler);
123
    this.cm.off("markerAdded", this.resizeHandler);
124
    this.cm.off("markerCleared", this.resizeHandler);
125
    if (this.changeHandler) this.cm.off("changes", this.changeHandler);
126
    this.div.parentNode.removeChild(this.div);
127
  };
128
});
129