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typographicScale.sketchplugin
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// Typographic Scale (v0.1) - Creates a typographic scale from a TextLayer using its fontSize as the base scale
(function () {
var PLUGIN_ID = 'PLUGIN_TYPOGRAPHIC_SCALE',
PLUGIN_NAME = 'Typographic Scale ✍';
function warn(msg) {
doc.showMessage_(PLUGIN_NAME + ' : ' + msg);
}
var numElements = selection.count();
if (numElements == 0) {
warn('Nothing selected.');
return;
} else if (numElements == 1 && selection[0].class() != MSTextLayer &&
selection[0].class() != MSLayerGroup) {
warn('Selected element is not of type TextLayer.');
return;
}
var elements = [];
var i;
(function () {
var enumerator, item, class_;
var layers, numLayers, item_;
enumerator = selection.objectEnumerator();
while (item = enumerator.nextObject()) {
class_ = item.class();
if (class_ == MSTextLayer) {
elements.push(item);
} else if (class_ == MSLayerGroup) {
//just 1st level
layers = item.layers().array();
numLayers = layers.count();
i = -1;
while (++i < numLayers) {
item_ = layers[i];
if (item_.class() == MSTextLayer) {
elements.push(item_);
}
}
}
}
numElements = elements.length;
})();
if (numElements == 0) {
warn('None of the selected elements is or has children of type TextLayer.');
return;
}
function MakeDict(objects, keys) {
return NSDictionary.dictionaryWithObjects_forKeys(objects, keys);
}
var PRESET_KEY_ORDERED = {
Scale: ['Minor Second',
'Major Second',
'Minor Third',
'Major Third',
'Perfect Fourth',
'Augmented Fourth',
'Perfect Fifth',
'Golden Ratio'],
Range: ['x2', 'x4', 'x8'],
All: ['Scale', 'Range', 'ReturnType', 'SuffixEm', 'SuffixPer']
},
PRESET = MakeDict(
[MakeDict(
[
[0.772, 0.823, 0.878, 0.937, 1, 1.067, 1.138, 1.215, 1.296],
[0.624, 0.702, 0.79, 0.889, 1, 1.125, 1.266, 1.424, 1.602],
[0.482, 0.579, 0.694, 0.833, 1, 1.2, 1.44, 1.728, 2.074],
[0.41, 0.512, 0.64, 0.8, 1, 1.25, 1.563, 1.953, 2.441],
[0.317, 0.422, 0.563, 0.75, 1, 1.333, 1.777, 2.369, 3.157],
[0.25, 0.354, 0.5, 0.707, 1, 1.414, 1.999, 2.879, 3.998],
[0.198, 0.296, 0.444, 0.667, 1, 1.5, 2.25, 3.375, 5.063],
[0.146, 0.236, 0.382, 0.618, 1, 1.618, 2.618, 4.236, 6.854]
],
PRESET_KEY_ORDERED.Scale),
MakeDict(
[2, 4, 8],
PRESET_KEY_ORDERED.Range),
['Float', 'Integer'], false, false],
PRESET_KEY_ORDERED.All
);
var defaults = NSUserDefaults.standardUserDefaults(),
pluginValues;
if (!defaults.objectForKey(PLUGIN_ID)) {
defaults.setObject_forKey_(
MakeDict(
['Major Third', 'x8', 'Float', false, false],
['Scale', 'Range', 'ReturnType', 'SuffixEm', 'SuffixPer']),
PLUGIN_ID);
}
// mutableCopy nor NSMutableDictionary.dictionaryWithDictionary return a mutable copy
// this will work for now
pluginValues = NSMutableDictionary.alloc().init();
pluginValues.setDictionary_(defaults.objectForKey(PLUGIN_ID));
var typeScale,
typeScaleNum;
var funcScale,
funcSuffix;
(function () {
// TODO : do it the proper cocoa way
var viewWidth = 270,
viewHeight = 100,
labelWidth = 80,
compWidth = viewWidth - labelWidth,
compWidth_2 = compWidth * 0.5;
var view = NSView.alloc().initWithFrame_(NSMakeRect(0, 0, viewWidth, viewHeight));
function createLabel(x, y, name) {
var label = NSTextField.alloc().initWithFrame_(NSMakeRect(x, y, labelWidth, 25));
label.setEditable_(false);
label.setSelectable_(false);
label.setBezeled_(false);
label.setDrawsBackground_(false);
label.setFont(NSFont.systemFontOfSize_(11));
label.setStringValue_(name);
return label;
}
function createSelect(x, y, width, values, initialState) {
var select = NSPopUpButton.alloc().initWithFrame_(NSMakeRect(x, y + 5, width, 25));
select.addItemsWithTitles_(values);
select.setFont(NSFont.systemFontOfSize_(11));
select.selectItemWithTitle_(initialState);
return select;
}
function createCheckBox(x, y, name, initialState) {
var btn = NSButton.alloc().initWithFrame_(NSMakeRect(x, y + 9, compWidth_2, 18));
btn.setButtonType_(NSSwitchButton);
btn.setState_(initialState || NSOffState);
btn.setTitle_(name);
return btn;
}
var offset = viewHeight - 32;
var scaleLabel = createLabel(0, offset, 'Type Scale'),
scaleSelect = createSelect(labelWidth, offset, 130, PRESET_KEY_ORDERED['Scale'], pluginValues['Scale']),
rangeSelect = createSelect(labelWidth + 130, offset, 60, PRESET_KEY_ORDERED['Range'], pluginValues['Range']);
offset -= 32;
var returnLabel = createLabel(0, offset, 'Type Return'),
returnSelect = createSelect(labelWidth, offset, compWidth, PRESET['ReturnType'], pluginValues['ReturnType']);
offset -= 31;
var suffixLabel = createLabel(0, offset, 'Layer Suffix'),
suffixCheckEm = createCheckBox(labelWidth, offset, 'em', pluginValues['SuffixEm']),
suffixCheckPer = createCheckBox(labelWidth + compWidth_2 - 25, offset, 'percentage', pluginValues['SuffixPer']);
var alert = NSAlert.alloc().init();
alert.setMessageText_(PLUGIN_NAME);
alert.setAccessoryView_(view);
view.addSubview_(scaleLabel);
view.addSubview_(scaleSelect);
view.addSubview_(rangeSelect);
view.addSubview_(returnLabel);
view.addSubview_(returnSelect);
view.addSubview_(suffixLabel);
view.addSubview_(suffixCheckEm);
view.addSubview_(suffixCheckPer);
alert.runModal();
var scale_ = scaleSelect.titleOfSelectedItem(),
range = rangeSelect.titleOfSelectedItem(),
return_ = returnSelect.titleOfSelectedItem(),
suffixEm = suffixCheckEm.state(),
suffixPer = suffixCheckPer.state();
pluginValues.setValue_forKey_(scale_, 'Scale');
pluginValues.setValue_forKey_(range, 'Range');
pluginValues.setValue_forKey_(return_, 'ReturnType');
pluginValues.setValue_forKey_(suffixEm, 'SuffixEm');
pluginValues.setValue_forKey_(suffixPer, 'SuffixPer');
defaults.setObject_forKey_(
pluginValues, PLUGIN_ID
);
defaults.synchronize();
var isReturnTypeFloat = return_ == PRESET['ReturnType'][0];
funcScale = new Function('base,scale', 'return ' + (isReturnTypeFloat ? 'base * scale' : '~~(base * scale + 0.5)'));
funcSuffix = new Function('base,scale', 'return ' +
(function () {
var em, per;
em = per = "'_' + ";
if (isReturnTypeFloat) {
em += "scale + 'em'";
per += "scale * 100 + '%'"
} else {
var val = "scale / base * 100";
em += val + "/ 100 + 'em'";
per += val + " + '%'";
}
return suffixEm && suffixPer ? (em + '+' + per) :
suffixEm ? em : suffixPer ? per :
"''";
})());
range = PRESET['Range'][range];
typeScale = PRESET['Scale'][scale_];
var start = (typeScale.count() - 1) / 2 - range / 2,
count = range + 1;
typeScale = typeScale.subarrayWithRange_(NSMakeRange(start, count));
typeScaleNum = typeScale.count();
})();
(function () {
var element, baseScale, baseName, baseOffset, scale;
var elements_, element_, elementScale_;
var offset, frame;
var j = -1;
while (++j < numElements) {
element = elements[j];
baseScale = element.fontSize = funcScale(element.fontSize(), 1);
baseName = element.name();
baseOffset = element.frame().y();
elements_ = new Array(typeScaleNum);
i = -1;
while (++i < typeScaleNum) {
scale = typeScale[i];
element_ = element.duplicate();
elementScale_ = element_.fontSize = funcScale(baseScale, scale);
element_.setName(baseName + funcSuffix(baseScale, elementScale_));
baseOffset -= scale >= 1 ? 0 : element_.frame().height();
elements_[i] = element_;
}
offset = 0;
i = -1;
while (++i < typeScaleNum) {
frame = elements_[i].frame();
frame.y = baseOffset + offset;
offset += frame.height();
}
element.parentGroup().removeLayer(element);
}
})();
})();