SelectEntryFactory.js
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'use strict';
var escapeHTML = require('../Utils').escapeHTML;
var domify = require('min-dom').domify;
var forEach = require('lodash/forEach');
var entryFieldDescription = require('./EntryFieldDescription');
var isList = function(list) {
return !(!list || Object.prototype.toString.call(list) !== '[object Array]');
};
var addEmptyParameter = function(list) {
return list.concat([ { name: '', value: '' } ]);
};
var createOption = function(option) {
return '<option value="' + option.value + '">' + option.name + '</option>';
};
/**
* @param {Object} options
* @param {string} options.id
* @param {string} [options.label]
* @param {Array<Object>} options.selectOptions
* @param {string} options.modelProperty
* @param {boolean} options.emptyParameter
* @param {function} options.disabled
* @param {function} options.hidden
* @param {Object} defaultParameters
*
* @return {Object}
*/
var selectbox = function(options, defaultParameters) {
var resource = defaultParameters,
label = options.label || resource.id,
selectOptions = options.selectOptions || [ { name: '', value: '' } ],
modelProperty = options.modelProperty,
emptyParameter = options.emptyParameter,
canBeDisabled = !!options.disabled && typeof options.disabled === 'function',
canBeHidden = !!options.hidden && typeof options.hidden === 'function',
description = options.description;
if (emptyParameter) {
selectOptions = addEmptyParameter(selectOptions);
}
resource.html =
'<label for="activiti-' + escapeHTML(resource.id) + '"' +
(canBeDisabled ? 'data-disable="isDisabled" ' : '') +
(canBeHidden ? 'data-show="isHidden" ' : '') +
'>' + escapeHTML(label) + '</label>' +
'<select id="activiti-' + escapeHTML(resource.id) + '-select" name="' +
escapeHTML(modelProperty) + '"' +
(canBeDisabled ? 'data-disable="isDisabled" ' : '') +
(canBeHidden ? 'data-show="isHidden" ' : '') +
' data-value>';
if (isList(selectOptions)) {
forEach(selectOptions, function(option) {
resource.html += '<option value="' + escapeHTML(option.value) + '">' +
(option.name ? escapeHTML(option.name) : '') + '</option>';
});
}
resource.html += '</select>';
// add description below select box entry field
if (description && typeof options.showCustomInput !== 'function') {
resource.html += entryFieldDescription(description);
}
/**
* Fill the select box options dynamically.
*
* Calls the defined function #selectOptions in the entry to get the
* values for the options and set the value to the inputNode.
*
* @param {djs.model.Base} element
* @param {HTMLElement} entryNode
* @param {EntryDescriptor} inputNode
* @param {Object} inputName
* @param {Object} newValue
*/
resource.setControlValue = function(element, entryNode, inputNode, inputName, newValue) {
if (typeof selectOptions === 'function') {
var options = selectOptions(element, inputNode);
if (options) {
// remove existing options
while (inputNode.firstChild) {
inputNode.removeChild(inputNode.firstChild);
}
// add options
forEach(options, function(option) {
var template = domify(createOption(option));
inputNode.appendChild(template);
});
}
}
// set select value
if (newValue !== undefined) {
inputNode.value = newValue;
}
};
if (canBeDisabled) {
resource.isDisabled = function() {
return options.disabled.apply(resource, arguments);
};
}
if (canBeHidden) {
resource.isHidden = function() {
return !options.hidden.apply(resource, arguments);
};
}
resource.cssClasses = ['bpp-dropdown'];
return resource;
};
module.exports = selectbox;