w3data.js
5.74 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/* W3Data ver 1.31 by W3Schools.com */
var w3DataObject = {};
function w3DisplayData(id, data) {
var htmlObj, htmlTemplate, html, arr = [], a, l, rowClone, x, j, i, ii, cc, repeat, repeatObj, repeatX = "";
htmlObj = document.getElementById(id);
htmlTemplate = w3InitTemplate(id, htmlObj);
html = htmlTemplate.cloneNode(true);
arr = w3GetElementsByAttribute(html, "w3-repeat");
l = arr.length;
for (j = (l - 1); j >= 0; j -= 1) {
cc = arr[j].getAttribute("w3-repeat").split(" ");
if (cc.length == 1) {
repeat = cc[0];
} else {
repeatX = cc[0];
repeat = cc[2];
}
arr[j].removeAttribute("w3-repeat");
repeatObj = data[repeat];
if (repeatObj && typeof repeatObj == "object" && repeatObj.length != "undefined") {
i = 0;
for (x in repeatObj) {
i += 1;
rowClone = arr[j];
rowClone = w3NeedleInHaystack(rowClone, "element", repeatX, repeatObj[x]);
a = rowClone.attributes;
for (ii = 0; ii < a.length; ii += 1) {
a[ii].value = w3NeedleInHaystack(a[ii], "attribute", repeatX, repeatObj[x]).value;
}
(i === repeatObj.length) ? arr[j].parentNode.replaceChild(rowClone, arr[j]) : arr[j].parentNode.insertBefore(rowClone, arr[j]);
}
} else {
console.log("w3-repeat must be an array. " + repeat + " is not an array.");
continue;
}
}
html = w3NeedleInHaystack(html, "element");
htmlObj.parentNode.replaceChild(html, htmlObj);
function w3InitTemplate(id, obj) {
var template;
template = obj.cloneNode(true);
if (w3DataObject.hasOwnProperty(id)) {return w3DataObject[id];}
w3DataObject[id] = template;
return template;
}
function w3GetElementsByAttribute(x, att) {
var arr = [], arrCount = -1, i, l, y = x.getElementsByTagName("*"), z = att.toUpperCase();
l = y.length;
for (i = -1; i < l; i += 1) {
if (i == -1) {y[i] = x;}
if (y[i].getAttribute(z) !== null) {arrCount += 1; arr[arrCount] = y[i];}
}
return arr;
}
function w3NeedleInHaystack(elmnt, typ, repeatX, x) {
var value, rowClone, pos1, haystack, pos2, needle = [], needleToReplace, i, cc, r;
rowClone = elmnt.cloneNode(true);
pos1 = 0;
while (pos1 > -1) {
haystack = (typ == "attribute") ? rowClone.value : rowClone.innerHTML;
pos1 = haystack.indexOf("{{", pos1);
if (pos1 === -1) {break;}
pos2 = haystack.indexOf("}}", pos1 + 1);
needleToReplace = haystack.substring(pos1 + 2, pos2);
needle = needleToReplace.split("||");
value = undefined;
for (i = 0; i < needle.length; i += 1) {
needle[i] = needle[i].replace(/^\s+|\s+$/gm, ''); //trim
//value = ((x && x[needle[i]]) || (data && data[needle[i]]));
if (x) {value = x[needle[i]];}
if (value == undefined && data) {value = data[needle[i]];}
if (value == undefined) {
cc = needle[i].split(".");
if (cc[0] == repeatX) {value = x[cc[1]]; }
}
if (value == undefined) {
if (needle[i] == repeatX) {value = x;}
}
if (value == undefined) {
if (needle[i].substr(0, 1) == '"') {
value = needle[i].replace(/"/g, "");
} else if (needle[i].substr(0,1) == "'") {
value = needle[i].replace(/'/g, "");
}
}
if (value != undefined) {break;}
}
if (value != undefined) {
r = "{{" + needleToReplace + "}}";
if (typ == "attribute") {
rowClone.value = rowClone.value.replace(r, value);
} else {
w3ReplaceHTML(rowClone, r, value);
}
}
pos1 = pos1 + 1;
}
return rowClone;
}
function w3ReplaceHTML(a, r, result) {
var b, l, i, a, x, j;
if (a.hasAttributes()) {
b = a.attributes;
l = b.length;
for (i = 0; i < l; i += 1) {
if (b[i].value.indexOf(r) > -1) {b[i].value = b[i].value.replace(r, result);}
}
}
x = a.getElementsByTagName("*");
l = x.length;
a.innerHTML = a.innerHTML.replace(r, result);
}
}
function w3IncludeHTML() {
var z, i, elmnt, file, xhttp;
z = document.getElementsByTagName("*");
for (i = 0; i < z.length; i++) {
elmnt = z[i];
file = elmnt.getAttribute("w3-include-html");
if (file) {
xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
elmnt.innerHTML = this.responseText;
elmnt.removeAttribute("w3-include-html");
w3IncludeHTML();
}
}
xhttp.open("GET", file, true);
xhttp.send();
return;
}
}
}
function w3Http(target, readyfunc, xml, method) {
var httpObj;
if (!method) {method = "GET"; }
if (window.XMLHttpRequest) {
httpObj = new XMLHttpRequest();
} else if (window.ActiveXObject) {
httpObj = new ActiveXObject("Microsoft.XMLHTTP");
}
if (httpObj) {
if (readyfunc) {httpObj.onreadystatechange = readyfunc;}
httpObj.open(method, target, true);
httpObj.send(xml);
}
}