84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
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// switch input binding
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var numericButtonInputBinding = new Shiny.InputBinding();
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$.extend(numericButtonInputBinding, {
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find: function(scope) {
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return $(scope).find('.shiny-input-numericButton');
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},
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getId: function(el) {
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return $(el).attr('id');
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},
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getValue: function(el) {
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var value = $('#' + Shiny.$escape(el.id) + '_value').val();
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if (/^\s*$/.test(value))
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// Return null if all whitespace
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value = null;
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else if (!isNaN(value))
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// If valid Javascript number string, coerce to number
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value = +value;
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else
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value = value;
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return value;
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},
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setValue: function(el, value) {
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$('#' + Shiny.$escape(el.id) + '_value').val(value);
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},
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subscribe: function(el, callback) {
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$(el).on('change', function(event) {
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callback();
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});
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},
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unsubscribe: function(el) {
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$(el).off('change');
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},
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getState: function(el) {
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$numeric = $('#' + Shiny.$escape(el.id) + '_value');
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return {
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label: $(el).find('label[for="' + el.id + '_value"]').text(),
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button: $('#' + Shiny.$escape(el.id) + 'Button').val(),
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value: this.getValue(el),
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min: $numeric.attr('min'),
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max: $numeric.attr('max'),
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step: $numeric.attr('step')
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};
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},
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receiveMessage: function(el, data) {
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$numeric = $('#' + Shiny.$escape(el.id) + '_value');
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if (data.hasOwnProperty("label")) {
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$(el).find('label[for="' + el.id + '_value"]').text(data.label);
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}
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if (data.hasOwnProperty("min")) {
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$numeric.attr('min', data.min)
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}
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if (data.hasOwnProperty("max")) {
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$numeric.attr('max', data.max)
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}
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if (data.hasOwnProperty("step")) {
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$numeric.attr('step', data.step)
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}
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if (data.hasOwnProperty("value")) {
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this.setValue(el, data.value);
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}
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$(el).trigger("change");
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},
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initialize: function initialize(el) {
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$("#" + Shiny.$escape(el.id) + "_value").on('keyup', function(event) {
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$(el).trigger('change')
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});
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$("#" + Shiny.$escape(el.id) + "_value").on('input', function(event) {
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$(el).trigger('change')
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});
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$("#" + Shiny.$escape(el.id) + "_value").on('change', function(event) {
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$(el).trigger('change')
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});
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}
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});
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Shiny.inputBindings.register(numericButtonInputBinding, "shinyExtra.numericButtonInput");
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