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add datalist support #368

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add datalist support #368

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14 changes: 14 additions & 0 deletions spectrum.js
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Original file line number Diff line number Diff line change
Expand Up @@ -533,6 +533,18 @@
return unique.reverse().slice(0, opts.maxSelectionSize);
}

function readDatalistPalette() {
var listID = $(element).attr('list');
if(listID) {
option("showPalette", true);
option("palette", $("datalist#" + listID).find("option").filter(function() {
return !$(this).is(":disabled") && $.trim(this.value) !== "";
}).map(function() {
return this.value;
}).toArray());
}
}

function drawPalette() {

var currentColor = get();
Expand Down Expand Up @@ -617,6 +629,8 @@
return;
}

readDatalistPalette();

hideAll();
visible = true;

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16 changes: 16 additions & 0 deletions test/tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,22 @@ test( "Palette click events work ", function() {

});

test( "Palette defined in html datalist is read", function() {
var container = $("<input id='spec' value='red' list='testlist' /><datalist id='testlist'>" +
"<option>#00FF00</option><option>#FF00FF</option></datalist>").appendTo("body");
var el = $("#spec").spectrum({
palette: [
["red", "green", "blue"]
]
});

el.spectrum("show");
deepEqual (
el.spectrum("option", "palette"), ["#00FF00", "#FF00FF"],
"datalist should replace default palette"
);
});

test( "hideAfterPaletteSelect: Palette stays open after color select", function() {
var el = $("<input id='spec' value='red' />").spectrum({
showPalette: true,
Expand Down