| Total Complexity | 24 |
| Complexity/F | 1.2 |
| Lines of Code | 103 |
| Function Count | 20 |
| Duplicated Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
| 1 | define(['filters/nodefilter'], function (NodeFilter) { |
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| 2 | 'use strict'; |
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| 3 | |||
| 4 | return function () { |
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| 5 | var targets = []; |
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| 6 | var filterObservers = []; |
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| 7 | var filters = []; |
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| 8 | var filteredData; |
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| 9 | var data; |
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| 10 | |||
| 11 | function remove(d) { |
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| 12 | targets = targets.filter(function (e) { |
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| 13 | return d !== e; |
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| 14 | }); |
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| 15 | } |
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| 16 | |||
| 17 | function add(d) { |
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| 18 | targets.push(d); |
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| 19 | |||
| 20 | if (filteredData !== undefined) { |
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| 21 | d.setData(filteredData); |
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| 22 | } |
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| 23 | } |
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| 24 | |||
| 25 | function setData(d) { |
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| 26 | data = d; |
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| 27 | refresh(); |
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| 28 | } |
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| 29 | |||
| 30 | function refresh() { |
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| 31 | if (data === undefined) { |
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| 32 | return; |
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| 33 | } |
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| 34 | |||
| 35 | var filter = filters.reduce(function (a, f) { |
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| 36 | return function (d) { |
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| 37 | return a(d) && f.run(d); |
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| 38 | }; |
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| 39 | }, function () { |
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| 40 | return true; |
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| 41 | }); |
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| 42 | |||
| 43 | filteredData = new NodeFilter(filter)(data); |
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| 44 | |||
| 45 | targets.forEach(function (t) { |
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| 46 | t.setData(filteredData); |
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| 47 | }); |
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| 48 | } |
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| 49 | |||
| 50 | function notifyObservers() { |
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| 51 | filterObservers.forEach(function (d) { |
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| 52 | d.filtersChanged(filters); |
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| 53 | }); |
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| 54 | } |
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| 55 | |||
| 56 | function addFilter(d) { |
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| 57 | var newItem = true; |
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| 58 | |||
| 59 | filters.forEach(function (f) { |
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| 60 | if (f.getKey && f.getKey() === d.getKey()) { |
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| 61 | removeFilter(f); |
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| 62 | newItem = false; |
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| 63 | } |
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| 64 | }); |
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| 65 | |||
| 66 | if (newItem) { |
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| 67 | filters.push(d); |
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| 68 | notifyObservers(); |
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| 69 | d.setRefresh(refresh); |
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| 70 | refresh(); |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | function removeFilter(d) { |
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| 75 | filters = filters.filter(function (e) { |
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| 76 | return d !== e; |
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| 77 | }); |
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| 78 | notifyObservers(); |
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| 79 | refresh(); |
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| 80 | } |
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| 81 | |||
| 82 | function watchFilters(d) { |
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| 83 | filterObservers.push(d); |
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| 84 | |||
| 85 | d.filtersChanged(filters); |
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| 86 | |||
| 87 | return function () { |
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| 88 | filterObservers = filterObservers.filter(function (e) { |
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| 89 | return d !== e; |
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| 90 | }); |
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| 91 | }; |
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| 92 | } |
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| 93 | |||
| 94 | return { |
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| 95 | add: add, |
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| 96 | remove: remove, |
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| 97 | setData: setData, |
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| 98 | addFilter: addFilter, |
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| 99 | removeFilter: removeFilter, |
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| 100 | watchFilters: watchFilters |
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| 101 | }; |
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| 102 | }; |
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| 103 | }); |
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| 104 |