Created
February 7, 2015 18:43
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Google Spreadsheetで、名前付き範囲"members"の中の、空白でないセルの文字列をランダムに入れ替える。ランチ会の組み合わせを決めるとき等に。
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function onclick() { | |
var lock = LockService.getDocumentLock(); | |
if (lock.tryLock(10)) { | |
shuffle_members(); | |
lock.releaseLock(); | |
} | |
} | |
function shuffle_members() { | |
var range = SpreadsheetApp.getActiveSheet().getRange("members"); | |
var values = range.getValues(); | |
var colors = range.getFontColors(); | |
var pos = []; | |
var cell = []; | |
for (var y = 0; y < values.length; ++y) { | |
for (x = 0; x < values[y].length; ++x) { | |
var v = values[y][x]; | |
if (v) { | |
pos.push({ x:x, y:y }); | |
cell.push({ v:v, c:colors[y][x] }); | |
} | |
} | |
} | |
var n = pos.length; | |
while (n > 0) { | |
var i = Math.floor(Math.random() * n--); | |
var t = pos[i]; | |
pos[i] = pos[n]; | |
pos[n] = t; | |
} | |
for (var i = 0; i < pos.length; ++i) { | |
var x = pos[i].x; | |
var y = pos[i].y; | |
values[y][x] = cell[i].v; | |
colors[y][x] = cell[i].c; | |
} | |
range.setValues(values); | |
range.setFontColors(colors); | |
} |
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