mirror of
https://github.com/moodle/moodle.git
synced 2025-03-14 20:50:21 +01:00
With phantomjs, dom is not updated by the time next step is executed, so suffle it to ensure this scenario pass
595 lines
24 KiB
JavaScript
595 lines
24 KiB
JavaScript
/**
|
|
* This file contains JS functionality required by mforms and is included automatically
|
|
* when required.
|
|
*/
|
|
|
|
// Namespace for the form bits and bobs
|
|
M.form = M.form || {};
|
|
|
|
if (typeof M.form.dependencyManager === 'undefined') {
|
|
var dependencyManager = function() {
|
|
dependencyManager.superclass.constructor.apply(this, arguments);
|
|
};
|
|
Y.extend(dependencyManager, Y.Base, {
|
|
_locks: null,
|
|
_hides: null,
|
|
_dirty: null,
|
|
_nameCollections: null,
|
|
_fileinputs: null,
|
|
|
|
initializer: function() {
|
|
// Setup initial values for complex properties.
|
|
this._locks = {};
|
|
this._hides = {};
|
|
this._dirty = {};
|
|
|
|
// Setup event handlers.
|
|
Y.Object.each(this.get('dependencies'), function(value, i) {
|
|
var elements = this.elementsByName(i);
|
|
elements.each(function(node) {
|
|
var nodeName = node.get('nodeName').toUpperCase();
|
|
if (nodeName == 'INPUT') {
|
|
if (node.getAttribute('type').match(/^(button|submit|radio|checkbox)$/)) {
|
|
node.on('click', this.updateEventDependencies, this);
|
|
} else {
|
|
node.on('blur', this.updateEventDependencies, this);
|
|
}
|
|
node.on('change', this.updateEventDependencies, this);
|
|
} else if (nodeName == 'SELECT') {
|
|
node.on('change', this.updateEventDependencies, this);
|
|
} else {
|
|
node.on('click', this.updateEventDependencies, this);
|
|
node.on('blur', this.updateEventDependencies, this);
|
|
node.on('change', this.updateEventDependencies, this);
|
|
}
|
|
}, this);
|
|
}, this);
|
|
|
|
// Handle the reset button.
|
|
this.get('form').get('elements').each(function(input) {
|
|
if (input.getAttribute('type') == 'reset') {
|
|
input.on('click', function() {
|
|
this.get('form').reset();
|
|
this.updateAllDependencies();
|
|
}, this);
|
|
}
|
|
}, this);
|
|
|
|
this.updateAllDependencies();
|
|
},
|
|
|
|
/**
|
|
* Initializes the mapping from element name to YUI NodeList
|
|
*/
|
|
initElementsByName: function() {
|
|
var names = {};
|
|
|
|
// Collect element names.
|
|
Y.Object.each(this.get('dependencies'), function(conditions, i) {
|
|
names[i] = new Y.NodeList();
|
|
for (var condition in conditions) {
|
|
for (var value in conditions[condition]) {
|
|
for (var ei in conditions[condition][value]) {
|
|
names[conditions[condition][value][ei]] = new Y.NodeList();
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
// Locate elements for each name.
|
|
this.get('form').get('elements').each(function(node) {
|
|
var name = node.getAttribute('name');
|
|
if (({}).hasOwnProperty.call(names, name)) {
|
|
names[name].push(node);
|
|
}
|
|
});
|
|
this._nameCollections = names;
|
|
},
|
|
|
|
/**
|
|
* Gets all elements in the form by their name and returns
|
|
* a YUI NodeList
|
|
*
|
|
* @param {String} name The form element name.
|
|
* @return {Y.NodeList}
|
|
*/
|
|
elementsByName: function(name) {
|
|
if (!this._nameCollections) {
|
|
this.initElementsByName();
|
|
}
|
|
if (!({}).hasOwnProperty.call(this._nameCollections, name)) {
|
|
return new Y.NodeList();
|
|
}
|
|
return this._nameCollections[name];
|
|
},
|
|
|
|
/**
|
|
* Checks the dependencies the form has an makes any changes to the
|
|
* form that are required.
|
|
*
|
|
* Changes are made by functions title _dependency{Dependencytype}
|
|
* and more can easily be introduced by defining further functions.
|
|
*
|
|
* @param {EventFacade | null} e The event, if any.
|
|
* @param {String} dependon The form element name to check dependencies against.
|
|
* @return {Boolean}
|
|
*/
|
|
checkDependencies: function(e, dependon) {
|
|
var dependencies = this.get('dependencies'),
|
|
tohide = {},
|
|
tolock = {},
|
|
condition, value, lock, hide,
|
|
checkfunction, result, elements;
|
|
if (!({}).hasOwnProperty.call(dependencies, dependon)) {
|
|
return true;
|
|
}
|
|
elements = this.elementsByName(dependon);
|
|
for (condition in dependencies[dependon]) {
|
|
for (value in dependencies[dependon][condition]) {
|
|
checkfunction = '_dependency' + condition[0].toUpperCase() + condition.slice(1);
|
|
if (Y.Lang.isFunction(this[checkfunction])) {
|
|
result = this[checkfunction].apply(this, [elements, value, e]);
|
|
} else {
|
|
result = this._dependencyDefault(elements, value, e);
|
|
}
|
|
lock = result.lock || false;
|
|
hide = result.hide || false;
|
|
for (var ei in dependencies[dependon][condition][value]) {
|
|
var eltolock = dependencies[dependon][condition][value][ei];
|
|
if (({}).hasOwnProperty.call(tohide, eltolock)) {
|
|
tohide[eltolock] = tohide[eltolock] || hide;
|
|
} else {
|
|
tohide[eltolock] = hide;
|
|
}
|
|
|
|
if (({}).hasOwnProperty.call(tolock, eltolock)) {
|
|
tolock[eltolock] = tolock[eltolock] || lock;
|
|
} else {
|
|
tolock[eltolock] = lock;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (var el in tolock) {
|
|
var needsupdate = false;
|
|
if (!({}).hasOwnProperty.call(this._locks, el)) {
|
|
this._locks[el] = {};
|
|
}
|
|
if (({}).hasOwnProperty.call(tolock, el) && tolock[el]) {
|
|
if (!({}).hasOwnProperty.call(this._locks[el], dependon) || this._locks[el][dependon]) {
|
|
this._locks[el][dependon] = true;
|
|
needsupdate = true;
|
|
}
|
|
} else if (({}).hasOwnProperty.call(this._locks[el], dependon) && this._locks[el][dependon]) {
|
|
delete this._locks[el][dependon];
|
|
needsupdate = true;
|
|
}
|
|
|
|
if (!({}).hasOwnProperty.call(this._hides, el)) {
|
|
this._hides[el] = {};
|
|
}
|
|
if (({}).hasOwnProperty.call(tohide, el) && tohide[el]) {
|
|
if (!({}).hasOwnProperty.call(this._hides[el], dependon) || this._hides[el][dependon]) {
|
|
this._hides[el][dependon] = true;
|
|
needsupdate = true;
|
|
}
|
|
} else if (({}).hasOwnProperty.call(this._hides[el], dependon) && this._hides[el][dependon]) {
|
|
delete this._hides[el][dependon];
|
|
needsupdate = true;
|
|
}
|
|
|
|
if (needsupdate) {
|
|
this._dirty[el] = true;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
},
|
|
/**
|
|
* Update all dependencies in form
|
|
*/
|
|
updateAllDependencies: function() {
|
|
Y.Object.each(this.get('dependencies'), function(value, name) {
|
|
this.checkDependencies(null, name);
|
|
}, this);
|
|
|
|
this.updateForm();
|
|
},
|
|
/**
|
|
* Update dependencies associated with event
|
|
*
|
|
* @param {Event} e The event.
|
|
*/
|
|
updateEventDependencies: function(e) {
|
|
var el = e.target.getAttribute('name');
|
|
this.checkDependencies(e, el);
|
|
this.updateForm();
|
|
},
|
|
/**
|
|
* Flush pending changes to the form
|
|
*/
|
|
updateForm: function() {
|
|
var el;
|
|
for (el in this._dirty) {
|
|
if (({}).hasOwnProperty.call(this._locks, el)) {
|
|
this._disableElement(el, !Y.Object.isEmpty(this._locks[el]));
|
|
}
|
|
if (({}).hasOwnProperty.call(this._hides, el)) {
|
|
this._hideElement(el, !Y.Object.isEmpty(this._hides[el]));
|
|
}
|
|
}
|
|
|
|
this._dirty = {};
|
|
},
|
|
/**
|
|
* Disables or enables all form elements with the given name
|
|
*
|
|
* @param {String} name The form element name.
|
|
* @param {Boolean} disabled True to disable, false to enable.
|
|
*/
|
|
_disableElement: function(name, disabled) {
|
|
var els = this.elementsByName(name);
|
|
var filepicker = this.isFilePicker(name);
|
|
els.each(function(node) {
|
|
if (disabled) {
|
|
node.setAttribute('disabled', 'disabled');
|
|
} else {
|
|
node.removeAttribute('disabled');
|
|
}
|
|
|
|
// Extra code to disable filepicker or filemanager form elements
|
|
if (filepicker) {
|
|
var fitem = node.ancestor('.fitem');
|
|
if (fitem) {
|
|
if (disabled) {
|
|
fitem.addClass('disabled');
|
|
} else {
|
|
fitem.removeClass('disabled');
|
|
}
|
|
}
|
|
}
|
|
});
|
|
},
|
|
/**
|
|
* Hides or shows all form elements with the given name.
|
|
*
|
|
* @param {String} name The form element name.
|
|
* @param {Boolean} hidden True to hide, false to show.
|
|
*/
|
|
_hideElement: function(name, hidden) {
|
|
var els = this.elementsByName(name);
|
|
els.each(function(node) {
|
|
var e = node.ancestor('.fitem');
|
|
if (e) {
|
|
e.setStyles({
|
|
display: (hidden) ? 'none' : ''
|
|
});
|
|
}
|
|
});
|
|
},
|
|
/**
|
|
* Is the form element inside a filepicker or filemanager?
|
|
*
|
|
* @param {String} el The form element name.
|
|
* @return {Boolean}
|
|
*/
|
|
isFilePicker: function(el) {
|
|
if (!this._fileinputs) {
|
|
var fileinputs = {};
|
|
var selector = '.fitem [data-fieldtype="filepicker"] input,.fitem [data-fieldtype="filemanager"] input';
|
|
var els = this.get('form').all(selector);
|
|
els.each(function(node) {
|
|
fileinputs[node.getAttribute('name')] = true;
|
|
});
|
|
this._fileinputs = fileinputs;
|
|
}
|
|
|
|
if (({}).hasOwnProperty.call(this._fileinputs, el)) {
|
|
return this._fileinputs[el] || false;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
_dependencyNotchecked: function(elements, value) {
|
|
var lock = false;
|
|
elements.each(function() {
|
|
if (this.getAttribute('type').toLowerCase() == 'hidden' &&
|
|
!this.siblings('input[type=checkbox][name="' + this.get('name') + '"]').isEmpty()) {
|
|
// This is the hidden input that is part of an advcheckbox.
|
|
return;
|
|
}
|
|
if (this.getAttribute('type').toLowerCase() == 'radio' && this.get('value') != value) {
|
|
return;
|
|
}
|
|
lock = lock || !Y.Node.getDOMNode(this).checked;
|
|
});
|
|
return {
|
|
lock: lock,
|
|
hide: false
|
|
};
|
|
},
|
|
_dependencyChecked: function(elements, value) {
|
|
var lock = false;
|
|
elements.each(function() {
|
|
if (this.getAttribute('type').toLowerCase() == 'hidden' &&
|
|
!this.siblings('input[type=checkbox][name="' + this.get('name') + '"]').isEmpty()) {
|
|
// This is the hidden input that is part of an advcheckbox.
|
|
return;
|
|
}
|
|
if (this.getAttribute('type').toLowerCase() == 'radio' && this.get('value') != value) {
|
|
return;
|
|
}
|
|
lock = lock || Y.Node.getDOMNode(this).checked;
|
|
});
|
|
return {
|
|
lock: lock,
|
|
hide: false
|
|
};
|
|
},
|
|
_dependencyNoitemselected: function(elements, value) {
|
|
var lock = false;
|
|
elements.each(function() {
|
|
lock = lock || this.get('selectedIndex') == -1;
|
|
});
|
|
return {
|
|
lock: lock,
|
|
hide: false
|
|
};
|
|
},
|
|
_dependencyEq: function(elements, value) {
|
|
var lock = false;
|
|
var hiddenVal = false;
|
|
var options, v, selected, values;
|
|
elements.each(function() {
|
|
if (this.getAttribute('type').toLowerCase() == 'radio' && !Y.Node.getDOMNode(this).checked) {
|
|
return;
|
|
} else if (this.getAttribute('type').toLowerCase() == 'hidden' &&
|
|
!this.siblings('input[type=checkbox][name="' + this.get('name') + '"]').isEmpty()) {
|
|
// This is the hidden input that is part of an advcheckbox.
|
|
hiddenVal = (this.get('value') == value);
|
|
return;
|
|
} else if (this.getAttribute('type').toLowerCase() == 'checkbox' && !Y.Node.getDOMNode(this).checked) {
|
|
lock = lock || hiddenVal;
|
|
return;
|
|
}
|
|
if (this.getAttribute('class').toLowerCase() == 'filepickerhidden') {
|
|
// Check for filepicker status.
|
|
var elementname = this.getAttribute('name');
|
|
if (elementname && M.form_filepicker.instances[elementname].fileadded) {
|
|
lock = false;
|
|
} else {
|
|
lock = true;
|
|
}
|
|
} else if (this.get('nodeName').toUpperCase() === 'SELECT' && this.get('multiple') === true) {
|
|
// Multiple selects can have one or more value assigned. A pipe (|) is used as a value separator
|
|
// when multiple values have to be selected at the same time.
|
|
values = value.split('|');
|
|
selected = [];
|
|
options = this.get('options');
|
|
options.each(function() {
|
|
if (this.get('selected')) {
|
|
selected[selected.length] = this.get('value');
|
|
}
|
|
});
|
|
if (selected.length > 0 && selected.length === values.length) {
|
|
for (var i in selected) {
|
|
v = selected[i];
|
|
if (values.indexOf(v) > -1) {
|
|
lock = true;
|
|
} else {
|
|
lock = false;
|
|
return;
|
|
}
|
|
}
|
|
} else {
|
|
lock = false;
|
|
}
|
|
} else {
|
|
lock = lock || this.get('value') == value;
|
|
}
|
|
});
|
|
return {
|
|
lock: lock,
|
|
hide: false
|
|
};
|
|
},
|
|
/**
|
|
* Lock the given field if the field value is in the given set of values.
|
|
*
|
|
* @param {Array} elements
|
|
* @param {String} values Single value or pipe (|) separated values when multiple
|
|
* @returns {{lock: boolean, hide: boolean}}
|
|
* @private
|
|
*/
|
|
_dependencyIn: function(elements, values) {
|
|
// A pipe (|) is used as a value separator
|
|
// when multiple values have to be passed on at the same time.
|
|
values = values.split('|');
|
|
var lock = false;
|
|
var hiddenVal = false;
|
|
var options, v, selected, value;
|
|
elements.each(function() {
|
|
if (this.getAttribute('type').toLowerCase() == 'radio' && !Y.Node.getDOMNode(this).checked) {
|
|
return;
|
|
} else if (this.getAttribute('type').toLowerCase() == 'hidden' &&
|
|
!this.siblings('input[type=checkbox][name="' + this.get('name') + '"]').isEmpty()) {
|
|
// This is the hidden input that is part of an advcheckbox.
|
|
hiddenVal = (values.indexOf(this.get('value')) > -1);
|
|
return;
|
|
} else if (this.getAttribute('type').toLowerCase() == 'checkbox' && !Y.Node.getDOMNode(this).checked) {
|
|
lock = lock || hiddenVal;
|
|
return;
|
|
}
|
|
if (this.getAttribute('class').toLowerCase() == 'filepickerhidden') {
|
|
// Check for filepicker status.
|
|
var elementname = this.getAttribute('name');
|
|
if (elementname && M.form_filepicker.instances[elementname].fileadded) {
|
|
lock = false;
|
|
} else {
|
|
lock = true;
|
|
}
|
|
} else if (this.get('nodeName').toUpperCase() === 'SELECT' && this.get('multiple') === true) {
|
|
// Multiple selects can have one or more value assigned.
|
|
selected = [];
|
|
options = this.get('options');
|
|
options.each(function() {
|
|
if (this.get('selected')) {
|
|
selected[selected.length] = this.get('value');
|
|
}
|
|
});
|
|
if (selected.length > 0 && selected.length === values.length) {
|
|
for (var i in selected) {
|
|
v = selected[i];
|
|
if (values.indexOf(v) > -1) {
|
|
lock = true;
|
|
} else {
|
|
lock = false;
|
|
return;
|
|
}
|
|
}
|
|
} else {
|
|
lock = false;
|
|
}
|
|
} else {
|
|
value = this.get('value');
|
|
lock = lock || (values.indexOf(value) > -1);
|
|
}
|
|
});
|
|
return {
|
|
lock: lock,
|
|
hide: false
|
|
};
|
|
},
|
|
_dependencyHide: function(elements, value) {
|
|
return {
|
|
lock: false,
|
|
hide: true
|
|
};
|
|
},
|
|
_dependencyDefault: function(elements, value, ev) {
|
|
var lock = false,
|
|
hiddenVal = false,
|
|
values
|
|
;
|
|
elements.each(function() {
|
|
var selected;
|
|
if (this.getAttribute('type').toLowerCase() == 'radio' && !Y.Node.getDOMNode(this).checked) {
|
|
return;
|
|
} else if (this.getAttribute('type').toLowerCase() == 'hidden' &&
|
|
!this.siblings('input[type=checkbox][name="' + this.get('name') + '"]').isEmpty()) {
|
|
// This is the hidden input that is part of an advcheckbox.
|
|
hiddenVal = (this.get('value') != value);
|
|
return;
|
|
} else if (this.getAttribute('type').toLowerCase() == 'checkbox' && !Y.Node.getDOMNode(this).checked) {
|
|
lock = lock || hiddenVal;
|
|
return;
|
|
}
|
|
// Check for filepicker status.
|
|
if (this.getAttribute('class').toLowerCase() == 'filepickerhidden') {
|
|
var elementname = this.getAttribute('name');
|
|
if (elementname && M.form_filepicker.instances[elementname].fileadded) {
|
|
lock = true;
|
|
} else {
|
|
lock = false;
|
|
}
|
|
} else if (this.get('nodeName').toUpperCase() === 'SELECT' && this.get('multiple') === true) {
|
|
// Multiple selects can have one or more value assigned. A pipe (|) is used as a value separator
|
|
// when multiple values have to be selected at the same time.
|
|
values = value.split('|');
|
|
selected = [];
|
|
this.get('options').each(function() {
|
|
if (this.get('selected')) {
|
|
selected[selected.length] = this.get('value');
|
|
}
|
|
});
|
|
if (selected.length > 0 && selected.length === values.length) {
|
|
for (var i in selected) {
|
|
if (values.indexOf(selected[i]) > -1) {
|
|
lock = false;
|
|
} else {
|
|
lock = true;
|
|
return;
|
|
}
|
|
}
|
|
} else {
|
|
lock = true;
|
|
}
|
|
} else {
|
|
lock = lock || this.get('value') != value;
|
|
}
|
|
});
|
|
return {
|
|
lock: lock,
|
|
hide: false
|
|
};
|
|
}
|
|
}, {
|
|
NAME: 'mform-dependency-manager',
|
|
ATTRS: {
|
|
form: {
|
|
setter: function(value) {
|
|
return Y.one('#' + value);
|
|
},
|
|
value: null
|
|
},
|
|
|
|
dependencies: {
|
|
value: {}
|
|
}
|
|
}
|
|
});
|
|
|
|
M.form.dependencyManager = dependencyManager;
|
|
}
|
|
|
|
/**
|
|
* Stores a list of the dependencyManager for each form on the page.
|
|
*/
|
|
M.form.dependencyManagers = {};
|
|
|
|
/**
|
|
* Initialises a manager for a forms dependencies.
|
|
* This should happen once per form.
|
|
*
|
|
* @param {YUI} Y YUI3 instance
|
|
* @param {String} formid ID of the form
|
|
* @param {Array} dependencies array
|
|
* @return {M.form.dependencyManager}
|
|
*/
|
|
M.form.initFormDependencies = function(Y, formid, dependencies) {
|
|
|
|
// If the dependencies isn't an array or object we don't want to
|
|
// know about it
|
|
if (!Y.Lang.isArray(dependencies) && !Y.Lang.isObject(dependencies)) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Fixes an issue with YUI's processing method of form.elements property
|
|
* in Internet Explorer.
|
|
* http://yuilibrary.com/projects/yui3/ticket/2528030
|
|
*/
|
|
Y.Node.ATTRS.elements = {
|
|
getter: function() {
|
|
return Y.all(new Y.Array(this._node.elements, 0, true));
|
|
}
|
|
};
|
|
|
|
M.form.dependencyManagers[formid] = new M.form.dependencyManager({form: formid, dependencies: dependencies});
|
|
return M.form.dependencyManagers[formid];
|
|
};
|
|
|
|
/**
|
|
* Update the state of a form. You need to call this after, for example, changing
|
|
* the state of some of the form input elements in your own code, in order that
|
|
* things like the disableIf state of elements can be updated.
|
|
*
|
|
* @param {String} formid ID of the form
|
|
*/
|
|
M.form.updateFormState = function(formid) {
|
|
if (formid in M.form.dependencyManagers) {
|
|
M.form.dependencyManagers[formid].updateAllDependencies();
|
|
}
|
|
};
|