diff options
author | Ola Bini <ola.bini@gmail.com> | 2014-07-31 19:29:33 -0300 |
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committer | Ola Bini <ola.bini@gmail.com> | 2014-07-31 19:29:33 -0300 |
commit | 04cf441c5ae18400c6b4865b0b37a71718dc9d46 (patch) | |
tree | dd0b0d049ec00389e2d4561b226c46eb1682b997 /web-ui/app/js/helpers/iterator.js | |
parent | 639a663a4c37020003586438fdcd7ac529a00f10 (diff) |
Add web-ui based on previous code
Diffstat (limited to 'web-ui/app/js/helpers/iterator.js')
-rw-r--r-- | web-ui/app/js/helpers/iterator.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/web-ui/app/js/helpers/iterator.js b/web-ui/app/js/helpers/iterator.js new file mode 100644 index 00000000..9d8358a7 --- /dev/null +++ b/web-ui/app/js/helpers/iterator.js @@ -0,0 +1,43 @@ +define(function () { + + return Iterator; + + function Iterator(elems, startingIndex) { + + this.index = startingIndex || 0; + this.elems = elems; + + this.hasPrevious = function () { + return this.index != 0; + }; + + this.hasNext = function () { + return this.index < this.elems.length - 1; + }; + + this.previous = function () { + return this.elems[--this.index]; + }; + + this.next = function () { + return this.elems[++this.index]; + }; + + this.current = function () { + return this.elems[this.index]; + }; + + this.hasElements = function () { + return this.elems.length > 0; + }; + + this.removeCurrent = function () { + var removed = this.current(), + toRemove = this.index; + + !this.hasNext() && this.index--; + this.elems.remove(toRemove); + return removed; + }; + } +});
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