xref: /petsc/share/petsc/saws/js/utils.js (revision c1bf08c5a20d15b5ec0d720d5b45d44eecfd1ce6) 
1//gets the endtag of the given name in the data object. must also specify parent because we allow same fieldsplit names under different parents
2function getEndtagByName(data,name,parent) {
3
4    for (var key in data) {
5        if (data.hasOwnProperty(key)) {
6            if(data[key].name == name && key.indexOf(parent) == 0)
7                return key;
8        }
9    }
10    return "-1";
11}
12
13//count the number of children that currently exist for the given parent
14function getNumChildren(data,parent) {
15
16    var childNumUnderscores = getNumUnderscores(parent) + 1;
17    var count               = 0;
18
19    for (var key in data) {
20        if (data.hasOwnProperty(key)) {
21            if(getNumUnderscores(key) == childNumUnderscores && key.indexOf(parent) == 0)
22                count ++;
23        }
24    }
25
26    return count;
27}
28
29//returns the number of underscores in the endtag
30function getNumUnderscores(endtag) {
31
32    var count = 0;
33    for(var i=0; i<endtag.length; i++) {
34        if(endtag.charAt(i) == "_")
35            count ++;
36    }
37    return count;
38}
39
40//returns the endtag of the parent (if any)
41function getParent(endtag) {
42
43    if(endtag.indexOf('_') == -1)
44        return "-1"; //has no parent (root case) or invalid endtag
45
46    return endtag.substring(0,endtag.lastIndexOf('_'));
47}
48
49//returns the number of occurrences of a string in another string
50function countNumOccurances(small_string, big_string) {
51
52    var count = 0;
53
54    while(small_string.length <= big_string.length && big_string.indexOf(small_string) != -1) {
55        count ++;
56        var loc = big_string.indexOf(small_string);
57        big_string = big_string.substring(loc + small_string.length, big_string.length);
58    }
59
60    return count;
61}
62
63//scrolls the page
64function scrollTo(id)
65{
66    $('html,body').animate({scrollTop: $("#"+id).offset().top},'fast');
67}
68