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James A. Rosen
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Jan 24, 2012
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1.0.0 | ||
1.1.0 |
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(function() { | ||
var I18n, getPath, isBinding, isTranslatedAttribute; | ||
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isTranslatedAttribute = /(.+)Translation$/; | ||
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getPath = Ember.Handlebars.getPath || Ember.getPath; | ||
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I18n = { | ||
compile: Handlebars.compile, | ||
translations: {}, | ||
template: function(key) { | ||
var result; | ||
sc_assert("You must provide a translation key string, not %@".fmt(key), typeof key === 'string'); | ||
result = I18n.translations[key]; | ||
if (result == null) { | ||
result = I18n.translations[key] = I18n.compile("Missing translation: " + key); | ||
} | ||
if (!$.isFunction(result)) { | ||
result = I18n.translations[key] = I18n.compile(result); | ||
} | ||
return result; | ||
}, | ||
t: function(key, context) { | ||
var template; | ||
template = I18n.template(key); | ||
return template(context); | ||
}, | ||
TranslateableAttributes: Em.Mixin.create({ | ||
didInsertElement: function() { | ||
var attribute, isTranslatedAttributeMatch, key, path, result, translatedValue; | ||
result = this._super.apply(this, arguments); | ||
for (key in this) { | ||
path = this[key]; | ||
isTranslatedAttributeMatch = key.match(isTranslatedAttribute); | ||
if (isTranslatedAttributeMatch) { | ||
attribute = isTranslatedAttributeMatch[1]; | ||
translatedValue = I18n.t(path); | ||
this.$().attr(attribute, translatedValue); | ||
} | ||
} | ||
return result; | ||
} | ||
}) | ||
}; | ||
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SC.I18n = I18n; | ||
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Em.I18n = I18n; | ||
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Ember.I18n = I18n; | ||
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isBinding = /(.+)Binding$/; | ||
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Handlebars.registerHelper('t', function(key, options) { | ||
var attrs, context, elementID, result, tagName, view; | ||
context = this; | ||
attrs = options.hash; | ||
view = options.data.view; | ||
tagName = attrs.tagName || 'span'; | ||
delete attrs.tagName; | ||
elementID = "i18n-" + (jQuery.uuid++); | ||
Em.keys(attrs).forEach(function(property) { | ||
var bindPath, currentValue, invoker, isBindingMatch, observer, propertyName; | ||
isBindingMatch = property.match(isBinding); | ||
if (isBindingMatch) { | ||
propertyName = isBindingMatch[1]; | ||
bindPath = attrs[property]; | ||
currentValue = getPath(bindPath); | ||
attrs[propertyName] = currentValue; | ||
invoker = null; | ||
observer = function() { | ||
var elem, newValue; | ||
newValue = getPath(context, bindPath); | ||
elem = view.$("#" + elementID); | ||
if (elem.length === 0) { | ||
Em.removeObserver(context, bindPath, invoker); | ||
return; | ||
} | ||
attrs[propertyName] = newValue; | ||
return elem.html(I18n.t(key, attrs)); | ||
}; | ||
invoker = function() { | ||
return Em.run.once(observer); | ||
}; | ||
return Em.addObserver(context, bindPath, invoker); | ||
} | ||
}); | ||
result = '<%@ id="%@">%@</%@>'.fmt(tagName, elementID, I18n.t(key, attrs), tagName); | ||
return new Handlebars.SafeString(result); | ||
}); | ||
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Handlebars.registerHelper('translateAttr', function(options) { | ||
var attrs, result; | ||
attrs = options.hash; | ||
result = []; | ||
Em.keys(attrs).forEach(function(property) { | ||
var translatedValue; | ||
translatedValue = I18n.t(attrs[property]); | ||
return result.push('%@="%@"'.fmt(property, translatedValue)); | ||
}); | ||
return new Handlebars.SafeString(result.join(' ')); | ||
}); | ||
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}).call(this); |