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/**
* Copyright (c) 2015, Arthur Schiwon <blizzz@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or later.
* See the COPYING-README file.
*/
OCA = OCA || {};
(function() {
/**
* @classdesc An abstract tab view
* @abstract
*/
var WizardTabGeneric = OCA.LDAP.Wizard.WizardObject.subClass({
isActive: false,
/**
* @property {string} - class that identifies a multiselect-plugin
* control.
*/
multiSelectPluginClass: 'multiSelectPlugin',
/**
* @property {string} - class that identifies a multiselect-plugin
* control.
*/
bjQuiButtonClass: 'ui-button',
/**
* @property {bool} - indicates whether a filter mode toggle operation
* is still in progress
*/
isToggling: false,
/** @inheritdoc */
init: function(tabIndex, tabID) {
this.tabIndex = tabIndex;
this.tabID = tabID;
this.spinner = $('.ldapSpinner').first().clone().removeClass('hidden');
_.bindAll(this, '_toggleRawFilterMode', '_toggleRawFilterModeConfirmation');
},
/**
* sets the configuration items that are managed by that view.
*
* The parameter contains key-value pairs the key being the
* configuration keys and the value being its setter method.
*
* @param {object} managedItems
*/
setManagedItems: function(managedItems) {
this.managedItems = managedItems;
this._enableAutoSave();
this._enableSaveButton();
},
/**
* Sets the config model. The concrete view likely wants to subscribe
* to events as well.
*
* @param {OCA.LDAP.Wizard.ConfigModel} configModel
*/
setModel: function(configModel) {
this.configModel = configModel;
this.parsedFilterMode = this.configModel.FILTER_MODE_ASSISTED;
this.configModel.on('detectionStarted', this.onDetectionStarted, this);
this.configModel.on('detectionCompleted', this.onDetectionCompleted, this);
this.configModel.on('serverError', this.onServerError, this);
this.configModel.on('setCompleted', this.onItemSaved, this);
this.configModel.on('configUpdated', this.onConfigLoaded, this);
},
/**
* the method can be used to display a different error/information
* message than provided by the Nextcloud server response. The concrete
* Tab View may optionally implement it. Returning an empty string will
* avoid any notification.
*
* @param {string} message
* @param {string} key
* @returns {string}
*/
overrideErrorMessage: function(message, key) {
if(message === 'LDAP authentication method rejected'
&& !this.configModel.configuration.ldap_dn)
{
message = t('user_ldap', 'Anonymous bind is not allowed. Please provide a User DN and Password.');
} else if (message === 'LDAP Operations error'
&& !this.configModel.configuration.ldap_dn
&& !this.configModel.configuration.ldap_agent_password)
{
message = t('user_ldap', 'LDAP Operations error. Anonymous bind might not be allowed.');
}
return message;
},
/**
* this is called by the main view, if the tab is being switched to.
*/
onActivate: function() {
if(!_.isUndefined(this.filterModeKey)
&& this.configModel.configuration.ldap_experienced_admin === '1') {
this.setFilterMode(this.configModel.FILTER_MODE_RAW);
}
},
/**
* updates the tab when the model loaded a configuration and notified
* this view.
*
* @param {WizardTabGeneric} view - this instance
* @param {Object} configuration
*/
onConfigLoaded: function(view, configuration) {
for(var key in view.managedItems){
if(!_.isUndefined(configuration[key])) {
var value = configuration[key];
var methodName = view.managedItems[key].setMethod;
if(!_.isUndefined(view[methodName])) {
view[methodName](value);
}
}
}
},
/**
* reacts on a set action on the model and updates the tab with the
* valid value.
*
* @param {WizardTabGeneric} view
* @param {Object} result
*/
onItemSaved: function(view, result) {
if(!_.isUndefined(view.managedItems[result.key])) {
var methodName = view.managedItems[result.key].setMethod;
view[methodName](result.value);
if(!result.isSuccess) {
OC.Notification.showTemporary(t('user_ldap', 'Saving failed. Please make sure the database is in Operation. Reload before continuing.'));
console.warn(result.errorMessage);
}
}
},
/**
* displays server error messages.
*
* @param view
* @param payload
*/
onServerError: function(view, payload) {
if ( !_.isUndefined(view.managedItems[payload.relatedKey])) {
var message = view.overrideErrorMessage(payload.message, payload.relatedKey);
if(message) {
OC.Notification.showTemporary(message);
}
}
},
/**
* disables affected, managed fields if a detector is running against them
*
* @param {WizardTabGeneric} view
* @param {string} key
*/
onDetectionStarted: function(view, key) {
if(!_.isUndefined(view.managedItems[key])) {
view.disableElement(view.managedItems[key].$element);
if(!_.isUndefined(view.managedItems[key].$relatedElements)){
view.disableElement(view.managedItems[key].$relatedElements);
}
view.attachSpinner(view.managedItems[key].$element.attr('id'));
}
},
/**
* enables affected, managed fields after a detector was run against them
*
* @param {WizardTabGeneric} view
* @param {string} key
*/
onDetectionCompleted: function(view, key) {
if(!_.isUndefined(view.managedItems[key])) {
view.enableElement(view.managedItems[key].$element);
if(!_.isUndefined(view.managedItems[key].$relatedElements)){
view.enableElement(view.managedItems[key].$relatedElements);
}
view.removeSpinner(view.managedItems[key].$element.attr('id'));
}
},
/**
* sets the value to an HTML element. Checkboxes, text areas and (text)
* input fields are supported.
*
* @param {jQuery} $element - the target element
* @param {string|number|Array} value
*/
setElementValue: function($element, value) {
// deal with check box
if ($element.is('input[type=checkbox]')) {
this._setCheckBox($element, value);
return;
}
// special cases: deal with text area and multiselect
if ($element.is('textarea') && $.isArray(value)) {
value = value.join("\n");
} else if($element.hasClass(this.multiSelectPluginClass)) {
if(!_.isArray(value)) {
value = value.split("\n");
}
}
if ($element.is('span')) {
$element.text(value);
} else {
$element.val(value);
}
},
/**
* replaces options on a multiselect element
*
* @param {jQuery} $element - the multiselect element
* @param {Array} options
*/
equipMultiSelect: function($element, options) {
$element.empty();
for (var i in options) {
var name = options[i];
$element.append($('<option>').val(name).text(name).attr('title', name));
}
if(!$element.hasClass('ldapGroupList')) {
$element.multiselect('refresh');
this.enableElement($element);
}
},
/**
* enables the specified HTML element
*
* @param {jQuery} $element
*/
enableElement: function($element) {
var isMS = $element.is('select[multiple]');
var hasOptions = isMS ? ($element.find('option').length > 0) : false;
if($element.hasClass(this.multiSelectPluginClass) && hasOptions) {
$element.multiselect("enable");
} else if ($element.hasClass(this.bjQuiButtonClass)) {
$element.button("enable");
}
else if(!isMS || (isMS && hasOptions)) {
$element.prop('disabled', false);
}
},
/**
* disables the specified HTML element
*
* @param {jQuery} $element
*/
disableElement: function($element) {
if($element.hasClass(this.multiSelectPluginClass)) {
$element.multiselect("disable");
} else if ($element.hasClass(this.bjQuiButtonClass)) {
$element.button("disable");
} else {
$element.prop('disabled', 'disabled');
}
},
/**
* attaches a spinner icon to the HTML element specified by ID
*
* @param {string} elementID
*/
attachSpinner: function(elementID) {
if($('#' + elementID + ' + .ldapSpinner').length == 0) {
var spinner = this.spinner.clone();
var $element = $('#' + elementID);
$(spinner).insertAfter($element);
// and special treatment for multiselects:
if ($element.is('select[multiple]')) {
$('#' + elementID + " + img + button").css('display', 'none');
}
}
},
/**
* removes the spinner icon from the HTML element specified by ID
*
* @param {string} elementID
*/
removeSpinner: function(elementID) {
$('#' + elementID+' + .ldapSpinner').remove();
// and special treatment for multiselects:
$('#' + elementID + " + button").css('display', 'inline');
},
/**
* whether the wizard works in experienced admin mode
*
* @returns {boolean}
*/
isExperiencedMode: function() {
return parseInt(this.configModel.configuration.ldap_experienced_admin, 10) === 1;
},
/**
* sets up auto-save functionality to the managed items
*
* @private
*/
_enableAutoSave: function() {
var view = this;
for(var id in this.managedItems) {
if(_.isUndefined(this.managedItems[id].$element)
|| _.isUndefined(this.managedItems[id].setMethod)
|| (!_.isUndefined(this.managedItems[id].preventAutoSave)
&& this.managedItems[id].preventAutoSave === true)
) {
continue;
}
var $element = this.managedItems[id].$element;
if (!$element.is('select[multiple]')) {
$element.change(function() {
view._requestSave($(this));
});
}
}
},
/**
* set's up save-button behavior (essentially used for agent dn and pwd)
*
* @private
*/
_enableSaveButton: function() {
var view = this;
// TODO: this is not nice, because it fires one request per change
// in the scenario this happens twice, causes detectors to run
// duplicated etc. To have this work properly, the wizard endpoint
// must accept setting multiple changes. Instead of messing around
// with old ajax/wizard.php use this opportunity and create a
// Controller
for(var id in this.managedItems) {
if(_.isUndefined(this.managedItems[id].$element)
|| _.isUndefined(this.managedItems[id].$saveButton)
) {
continue;
}
(function (item) {
item.$saveButton.click(function(event) {
event.preventDefault();
view._requestSave(item.$element);
item.$saveButton.removeClass('primary');
});
item.$element.change(function () {
item.$saveButton.addClass('primary');
});
})(this.managedItems[id]);
}
},
/**
* initializes a multiSelect element
*
* @param {jQuery} $element
* @param {string} caption
* @private
*/
_initMultiSelect: function($element, caption) {
var view = this;
$element.multiselect({
header: false,
selectedList: 9,
noneSelectedText: caption,
classes: this.multiSelectPluginClass,
close: function() {
view._requestSave($element);
}
});
},
/**
* @typedef {object} viewSaveInfo
* @property {function} val
* @property {function} attr
* @property {function} is
*/
/**
* requests a save operation from the model for a given value
* represented by a HTML element and its ID.
*
* @param {jQuery|viewSaveInfo} $element
* @private
*/
_requestSave: function($element) {
var value = '';
if($element.is('input[type=checkbox]')
&& !$element.is(':checked')) {
value = 0;
} else if ($element.is('select[multiple]')) {
var entries = $element.multiselect("getChecked");
for(var i = 0; i < entries.length; i++) {
value = value + "\n" + entries[i].value;
}
value = $.trim(value);
} else {
value = $element.val();
}
this.configModel.set($element.attr('id'), value);
},
/**
* updates a checkbox element according to the provided value
*
* @param {jQuery} $element
* @param {string|number} value
* @private
*/
_setCheckBox: function($element, value) {
if(parseInt(value, 10) === 1) {
$element.prop('checked', 'checked');
} else {
$element.removeAttr('checked');
}
},
/**
* this is called when the filter mode is switched to assisted. The
* concrete tab view should implement this, to load LDAP features
* (e.g. object classes, groups, attributes…), if necessary.
*/
considerFeatureRequests: function() {},
/**
* this is called when the filter mode is switched to Assisted. The
* concrete tab view should request the compilation of the respective
* filter.
*/
requestCompileFilter: function() {
this.configModel.requestWizard(this.filterName);
},
/**
* sets the filter mode initially and resets the "isToggling" marker.
* This method is called after a save operation against the mode key.
*
* @param mode
*/
setFilterModeOnce: function(mode) {
this.isToggling = false;
if(!this.filterModeInitialized) {
this.filterModeInitialized = true;
this.setFilterMode(mode);
}
},
/**
* sets the filter mode according to the provided configuration value
*
* @param {string} mode
*/
setFilterMode: function(mode) {
if(parseInt(mode, 10) === this.configModel.FILTER_MODE_ASSISTED) {
this.parsedFilterMode = this.configModel.FILTER_MODE_ASSISTED;
this.considerFeatureRequests();
this._setFilterModeAssisted();
if(this.isActive) {
// filter compilation should happen only, if the mode was
// switched manually, but not when initiating the view
this.requestCompileFilter();
}
} else {
this._setFilterModeRaw();
this.parsedFilterMode = this.configModel.FILTER_MODE_RAW;
}
},
/**
* updates the UI so that it represents the assisted mode setting
*
* @private
*/
_setFilterModeAssisted: function() {
var view = this;
this.$filterModeRawContainer.addClass('invisible');
var filter = this.$filterModeRawContainer.find('.ldapFilterInputElement').val();
this.$filterModeRawContainer.siblings('.ldapReadOnlyFilterContainer').find('.ldapFilterReadOnlyElement').text(filter);
this.$filterModeRawContainer.siblings('.ldapReadOnlyFilterContainer').removeClass('hidden');
$.each(this.filterModeDisableableElements, function(i, $element) {
view.enableElement($element);
});
if(!_.isUndefined(this.filterModeStateElement)) {
if (this.filterModeStateElement.status === 'enabled') {
this.enableElement(this.filterModeStateElement.$element);
} else {
this.filterModeStateElement.status = 'disabled';
}
}
},
/**
* updates the UI so that it represents the raw mode setting
*
* @private
*/
_setFilterModeRaw: function() {
var view = this;
this.$filterModeRawContainer.removeClass('invisible');
this.$filterModeRawContainer.siblings('.ldapReadOnlyFilterContainer').addClass('hidden');
$.each(this.filterModeDisableableElements, function (i, $element) {
view.disableElement($element);
});
if(!_.isUndefined(this.filterModeStateElement)) {
if(this.filterModeStateElement.$element.multiselect().attr('disabled') === 'disabled') {
this.filterModeStateElement.status = 'disabled';
} else {
this.filterModeStateElement.status = 'enabled';
}
}
if(!_.isUndefined(this.filterModeStateElement)) {
this.disableElement(this.filterModeStateElement.$element);
}
},
/**
* @callback toggleConfirmCallback
* @param {boolean} isConfirmed
*/
/**
* shows a confirmation dialogue before switching from raw to assisted
* mode if experienced mode is enabled.
*
* @param {toggleConfirmCallback} toggleFnc
* @private
*/
_toggleRawFilterModeConfirmation: function(toggleFnc) {
if( !this.isExperiencedMode()
|| this.parsedFilterMode === this.configModel.FILTER_MODE_ASSISTED
) {
toggleFnc(true);
} else {
OCdialogs.confirm(
t('user_ldap', 'Switching the mode will enable automatic LDAP queries. Depending on your LDAP size they may take a while. Do you still want to switch the mode?'),
t('user_ldap', 'Mode switch'),
toggleFnc
);
}
},
/**
* toggles the visibility of a raw filter container and so also the
* state of the multi-select controls. The model is requested to save
* the state.
*/
_toggleRawFilterMode: function() {
var view = this;
this._toggleRawFilterModeConfirmation(function(isConfirmed) {
if(!isConfirmed) {
return;
}
/** var {number} */
var mode;
if (view.parsedFilterMode === view.configModel.FILTER_MODE_ASSISTED) {
mode = view.configModel.FILTER_MODE_RAW;
} else {
mode = view.configModel.FILTER_MODE_ASSISTED;
}
view.setFilterMode(mode);
/** @var {viewSaveInfo} */
var saveInfo = {
val: function () {
return mode;
},
attr: function () {
return view.filterModeKey;
},
is: function () {
return false;
}
};
view._requestSave(saveInfo);
});
},
/**
* @typedef {object} filterModeStateElementObj
* @property {string} status - either "enabled" or "disabled"
* @property {jQuery} $element
*/
/**
* initializes a raw filter mode switcher
*
* @param {jQuery} $switcher - the element receiving the click
* @param {jQuery} $filterModeRawContainer - contains the raw filter
* input elements
* @param {jQuery[]} filterModeDisableableElements - an array of elements
* not belonging to the raw filter part that shall be en/disabled.
* @param {string} filterModeKey - the setting key that save the state
* of the mode
* @param {filterModeStateElementObj} [filterModeStateElement] - one element
* which status (enabled or not) is tracked by a setting
* @private
*/
_initFilterModeSwitcher: function(
$switcher,
$filterModeRawContainer,
filterModeDisableableElements,
filterModeKey,
filterModeStateElement
) {
this.$filterModeRawContainer = $filterModeRawContainer;
this.filterModeDisableableElements = filterModeDisableableElements;
this.filterModeStateElement = filterModeStateElement;
this.filterModeKey = filterModeKey;
var view = this;
$switcher.click(function() {
if(view.isToggling) {
return;
}
view.isToggling = true;
view._toggleRawFilterMode();
});
},
});
OCA.LDAP.Wizard.WizardTabGeneric = WizardTabGeneric;
})();