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/**
* JavaScript for form editing grade conditions.
*
* @module moodle-availability_grade-form
*/
M.availability_grade = M.availability_grade || {};
/**
* @class M.availability_grade.form
* @extends M.core_availability.plugin
*/
M.availability_grade.form = Y.Object(M.core_availability.plugin);
/**
* Grade items available for selection.
*
* @property grades
* @type Array
*/
M.availability_grade.form.grades = null;
/**
* Initialises this plugin.
*
* @method initInner
* @param {Array} grades Array of objects containing gradeid => name
*/
M.availability_grade.form.initInner = function(grades) {
this.grades = grades;
this.nodesSoFar = 0;
};
M.availability_grade.form.getNode = function(json) {
// Increment number used for unique ids.
this.nodesSoFar++;
// Create HTML structure.
var html = '<label class="form-group"><span class="p-r-1">' + M.util.get_string('title', 'availability_grade') + '</span> ' +
'<span class="availability-group">' +
'<select name="id" class="custom-select"><option value="0">' + M.util.get_string('choosedots', 'moodle') + '</option>';
for (var i = 0; i < this.grades.length; i++) {
var grade = this.grades[i];
// String has already been escaped using format_string.
html += '<option value="' + grade.id + '">' + grade.name + '</option>';
}
html += '</select></span></label> <br><span class="availability-group form-group">' +
'<label><input type="checkbox" class="form-check-input mx-1" name="min"/>' +
M.util.get_string('option_min', 'availability_grade') +
'</label> <label><span class="accesshide">' + M.util.get_string('label_min', 'availability_grade') +
'</span><input type="text" class="form-control mx-1" name="minval" title="' +
M.util.get_string('label_min', 'availability_grade') + '"/></label>%</span><br>' +
'<span class="availability-group form-group">' +
'<label><input type="checkbox" class="form-check-input mx-1" name="max"/>' +
M.util.get_string('option_max', 'availability_grade') +
'</label> <label><span class="accesshide">' + M.util.get_string('label_max', 'availability_grade') +
'</span><input type="text" class="form-control mx-1" name="maxval" title="' +
M.util.get_string('label_max', 'availability_grade') + '"/></label>%</span>';
var node = Y.Node.create('<div class="d-inline-block form-inline">' + html + '</div>');
// Set initial values.
if (json.id !== undefined &&
node.one('select[name=id] > option[value=' + json.id + ']')) {
node.one('select[name=id]').set('value', '' + json.id);
}
if (json.min !== undefined) {
node.one('input[name=min]').set('checked', true);
node.one('input[name=minval]').set('value', json.min);
}
if (json.max !== undefined) {
node.one('input[name=max]').set('checked', true);
node.one('input[name=maxval]').set('value', json.max);
}
// Disables/enables text input fields depending on checkbox.
var updateCheckbox = function(check, focus) {
var input = check.ancestor('label').next('label').one('input');
var checked = check.get('checked');
input.set('disabled', !checked);
if (focus && checked) {
input.focus();
}
return checked;
};
node.all('input[type=checkbox]').each(updateCheckbox);
// Add event handlers (first time only).
if (!M.availability_grade.form.addedEvents) {
M.availability_grade.form.addedEvents = true;
var root = Y.one('.availability-field');
root.delegate('change', function() {
// For the grade item, just update the form fields.
M.core_availability.form.update();
}, '.availability_grade select[name=id]');
root.delegate('click', function() {
updateCheckbox(this, true);
M.core_availability.form.update();
}, '.availability_grade input[type=checkbox]');
root.delegate('valuechange', function() {
// For grade values, just update the form fields.
M.core_availability.form.update();
}, '.availability_grade input[type=text]');
}
return node;
};
M.availability_grade.form.fillValue = function(value, node) {
value.id = parseInt(node.one('select[name=id]').get('value'), 10);
if (node.one('input[name=min]').get('checked')) {
value.min = this.getValue('minval', node);
}
if (node.one('input[name=max]').get('checked')) {
value.max = this.getValue('maxval', node);
}
};
/**
* Gets the numeric value of an input field. Supports decimal points (using
* dot or comma).
*
* @method getValue
* @return {Number|String} Value of field as number or string if not valid
*/
M.availability_grade.form.getValue = function(field, node) {
// Get field value.
var value = node.one('input[name=' + field + ']').get('value');
// If it is not a valid positive number, return false.
if (!(/^[0-9]+([.,][0-9]+)?$/.test(value))) {
return value;
}
// Replace comma with dot and parse as floating-point.
var result = parseFloat(value.replace(',', '.'));
if (result < 0 || result > 100) {
return value;
} else {
return result;
}
};
M.availability_grade.form.fillErrors = function(errors, node) {
var value = {};
this.fillValue(value, node);
// Check grade item id.
if (value.id === 0) {
errors.push('availability_grade:error_selectgradeid');
}
// Check numeric values.
if ((value.min !== undefined && typeof (value.min) === 'string') ||
(value.max !== undefined && typeof (value.max) === 'string')) {
errors.push('availability_grade:error_invalidnumber');
} else if (value.min !== undefined && value.max !== undefined &&
value.min >= value.max) {
errors.push('availability_grade:error_backwardrange');
}
};