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Size: 1.4 KB
Versions: 9
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Contents
// Default slice-preview helper. If attachments are present it will emit
// 'n item(s)', otherwise it will simply emit the content of any textarea
// or text input.
//
// This method has been kept purposefully simple to encourage custom
// preview helpers.
//
// Example:
//
// slices.defaultSlicePreview.call($('.slice-content'))
//
slices.defaultSlicePreview = function() {
if (this.find('.attachment-list').length) {
var count = this.find('.attachment-list li').length;
return count + (count === 1 ? ' item' : ' items');
} else {
var html = this.find('textarea, input[type="text"]')
.map(function() { return $(this).val() })
.get()
.join(' ');
return $('<div />').html(html).text();
}
}
// Define custom previews for slices using this helper.
//
// In true jQuery style, the context of the method `this` is the slice-content
// element (in this case wrapped in a jQuery object).
//
// If the helper is empty, the default slice preview helper will be used.
//
// Example:
//
// {{#slicePreview}}
// return this.find('input').val().toUpperCase();
// {{/slicePreview}}
//
Handlebars.registerHelper('slicePreview', function(options) {
try {
var proc = options.fn && options.fn();
if (proc.match(/\S/)) window.customSlicePreview = new Function(proc);
} catch(error) {
console.error('This slicePreview caused an error:\n' + proc);
console.error(error);
}
});
Version data entries
9 entries across 9 versions & 1 rubygems