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Vue status bar (#2188)

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* Implemented indicators

* WIP

* Fixed templates from notifications example

* Message bar implemented

* Implemented notifications

* Fixed bug with destruction of notifications

* Renamed MessageBanner to NotificationBanner

* Add save success message

* Removed NotificationServiceSpec

* Removed legacy constants from bundle
This commit is contained in:
Andrew Henry
2018-10-10 17:35:11 -07:00
committed by Pete Richards
parent 88bcb6078e
commit 64b9d4c24a
17 changed files with 623 additions and 826 deletions
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platform/commonUI/notification/src/NotificationService.js
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/*****************************************************************************
* Open MCT, Copyright (c) 2014-2018, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
/**
* This bundle implements the notification service, which can be used to
* show banner notifications to the user. Banner notifications
* are used to inform users of events in a non-intrusive way. As
* much as possible, notifications share a model with blocking
* dialogs so that the same information can be provided in a dialog
* and then minimized to a banner notification if needed.
*
* @namespace platform/commonUI/notification
*/
define(
['moment'],
function (moment) {
/**
* A representation of a user action. Options are provided to
* dialogs and notifications and are shown as buttons.
*
* @typedef {object} NotificationOption
* @property {string} label the label to appear on the button for
* this action
* @property {function} callback a callback function to be invoked
* when the button is clicked
*/
/**
* A representation of a banner notification. Banner notifications
* are used to inform users of events in a non-intrusive way. As
* much as possible, notifications share a model with blocking
* dialogs so that the same information can be provided in a dialog
* and then minimized to a banner notification if needed, or vice-versa.
*
* @typedef {object} NotificationModel
* @property {string} title The title of the message
* @property {string} severity The importance of the message (one of
* 'info', 'alert', or 'error' where info < alert <error)
* @property {number} [progress] The completion status of a task
* represented numerically
* @property {boolean} [unknownProgress] a boolean indicating that the
* progress of the underlying task is unknown. This will result in a
* visually distinct progress bar.
* @property {boolean} [autoDismiss] If truthy, dialog will
* be automatically minimized or dismissed (depending on severity).
* Additionally, if the provided value is a number, it will be used
* as the delay period before being dismissed.
* @property {boolean} [dismissable=true] If true, notification will
* include an option to dismiss it completely.
* @property {NotificationOption} [primaryOption] the default user
* response to
* this message. Will be represented as a button with the provided
* label and action. May be used by banner notifications to display
* only the most important option to users.
* @property {NotificationOption[]} [options] any additional
* actions the user can take. Will be represented as additional buttons
* that may or may not be available from a banner.
* @see DialogModel
*/
/**
* A wrapper object that is returned as a handle to a newly created
* notification. Wraps the notifications model and decorates with
* functions to dismiss or minimize the notification.
*
* @typedef {object} Notification
* @property {function} dismiss This method is added to the object
* returned by {@link NotificationService#notify} and can be used to
* dismiss this notification. Dismissing a notification will remove
* it completely and it will not appear in the notification indicator
* @property {function} minimize This method is added to the object
* returned by {@link NotificationService#notify} and can be used to
* minimize this notification. Minimizing a notification will send
* it to the notification indicator
* @property {function} dismissOrMinimize This method is added to the
* object returned by {@link NotificationService#notify}. It will
* hide the notification by either dismissing or minimizing it,
* depending on severity. Typically this is the method that should
* be used for dismissing a notification. If more control is
* required, then the minimize or dismiss functions can be called
* individually.
* @property {function} onDismiss Allows listening for on dismiss
* events. This allows cleanup etc. when the notification is dismissed.
*/
/**
* The notification service is responsible for informing the user of
* events via the use of banner notifications.
* @memberof platform/commonUI/notification
* @constructor
* @param $timeout the Angular $timeout service
* @param defaultAutoDismissTimeout The period of time that an
* auto-dismissed message will be displayed for.
* @param minimizeAnimationTimeout When notifications are minimized, a brief
* animation is shown. This animation requires some time to execute,
* so a timeout is required before the notification is hidden
*/
function NotificationService($timeout, topic, defaultAutoDismissTimeout, minimizeAnimationTimeout) {
this.notifications = [];
this.$timeout = $timeout;
this.highest = { severity: "info" };
this.AUTO_DISMISS_TIMEOUT = defaultAutoDismissTimeout;
this.MINIMIZE_ANIMATION_TIMEOUT = minimizeAnimationTimeout;
this.topic = topic;
/*
* A context in which to hold the active notification and a
* handle to its timeout.
*/
this.active = {};
}
/**
* Minimize a notification. The notification will still be available
* from the notification list. Typically notifications with a
* severity of 'info' should not be minimized, but rather
* dismissed. If you're not sure which is appropriate,
* use {@link Notification#dismissOrMinimize}
*
* @private
*/
NotificationService.prototype.minimize = function (service, notification) {
//Check this is a known notification
var index = service.notifications.indexOf(notification);
if (service.active.timeout) {
/*
Method can be called manually (clicking dismiss) or
automatically from an auto-timeout. this.active.timeout
acts as a semaphore to prevent race conditions. Cancel any
timeout in progress (for the case where a manual dismiss
has shortcut an active auto-dismiss), and clear the
semaphore.
*/
service.$timeout.cancel(service.active.timeout);
delete service.active.timeout;
}
if (index >= 0) {
notification.model.minimized = true;
//Add a brief timeout before showing the next notification
// in order to allow the minimize animation to run through.
service.$timeout(function () {
service.setActiveNotification(service.selectNextNotification());
}, service.MINIMIZE_ANIMATION_TIMEOUT);
}
};
/**
* Completely removes a notification. This will dismiss it from the
* message banner and remove it from the list of notifications.
* Typically only notifications with a severity of info should be
* dismissed. If you're not sure whether to dismiss or minimize a
* notification, use {@link Notification#dismissOrMinimize}.
* dismiss
*
* @private
*/
NotificationService.prototype.dismiss = function (service, notification) {
//Check this is a known notification
var index = service.notifications.indexOf(notification);
if (service.active.timeout) {
/* Method can be called manually (clicking dismiss) or
* automatically from an auto-timeout. this.active.timeout
* acts as a semaphore to prevent race conditions. Cancel any
* timeout in progress (for the case where a manual dismiss
* has shortcut an active auto-dismiss), and clear the
* semaphore.
*/
service.$timeout.cancel(service.active.timeout);
delete service.active.timeout;
}
if (index >= 0) {
service.notifications.splice(index, 1);
}
service.setActiveNotification(service.selectNextNotification());
this.setHighestSeverity();
};
/**
* Depending on the severity of the notification will selectively
* dismiss or minimize where appropriate.
*
* @private
*/
NotificationService.prototype.dismissOrMinimize = function (notification) {
var model = notification.model;
if (model.severity === "info") {
if (model.autoDismiss === false) {
notification.minimize();
} else {
notification.dismiss();
}
} else {
notification.minimize();
}
};
/**
* Returns the notification that is currently visible in the banner area
* @returns {Notification}
*/
NotificationService.prototype.getActiveNotification = function () {
return this.active.notification;
};
/**
* A convenience method for info notifications. Notifications
* created via this method will be auto-dismissed after a default
* wait period unless explicitly forbidden by the caller through
* the {autoDismiss} property on the {NotificationModel}, in which
* case the notification will be minimized after the wait.
* @param {NotificationModel | string} message either a string for
* the title of the notification message, or a {@link NotificationModel}
* defining the options notification to display
* @returns {Notification} the provided notification decorated with
* functions to dismiss or minimize
*/
NotificationService.prototype.info = function (message) {
var notificationModel = typeof message === "string" ? {title: message} : message;
notificationModel.severity = "info";
return this.notify(notificationModel);
};
/**
* A convenience method for alert notifications. Notifications
* created via this method will will have severity of "alert" enforced
* @param {NotificationModel | string} message either a string for
* the title of the alert message with default options, or a
* {@link NotificationModel} defining the options notification to
* display
* @returns {Notification} the provided notification decorated with
* functions to dismiss or minimize
*/
NotificationService.prototype.alert = function (message) {
var notificationModel = typeof message === "string" ? {title: message} : message;
notificationModel.severity = "alert";
return this.notify(notificationModel);
};
/**
* A convenience method for error notifications. Notifications
* created via this method will will have severity of "error" enforced
* @param {NotificationModel | string} message either a string for
* the title of the error message with default options, or a
* {@link NotificationModel} defining the options notification to
* display
* @returns {Notification} the provided notification decorated with
* functions to dismiss or minimize
*/
NotificationService.prototype.error = function (message) {
var notificationModel = typeof message === "string" ? {title: message} : message;
notificationModel.severity = "error";
return this.notify(notificationModel);
};
/**
* @private
*/
NotificationService.prototype.setHighestSeverity = function () {
var severity = {
"info": 1,
"alert": 2,
"error": 3
};
this.highest.severity = this.notifications.reduce(function (previous, notification) {
if (severity[notification.model.severity] > severity[previous]) {
return notification.model.severity;
} else {
return previous;
}
}, "info");
};
/**
* Notifies the user of an event. If there is a banner notification
* already active, then it will be dismissed or minimized automatically,
* and the provided notification displayed in its place.
*
* @param {NotificationModel} notificationModel The notification to
* display
* @returns {Notification} the provided notification decorated with
* functions to {@link Notification#dismiss} or {@link Notification#minimize}
*/
NotificationService.prototype.notify = function (notificationModel) {
var self = this,
notification,
activeNotification = self.active.notification,
topic = this.topic();
notificationModel.severity = notificationModel.severity || "info";
notificationModel.timestamp = moment.utc().format('YYYY-MM-DD hh:mm:ss.ms');
notification = {
model: notificationModel,
minimize: function () {
self.minimize(self, notification);
},
dismiss: function () {
self.dismiss(self, notification);
topic.notify();
},
dismissOrMinimize: function () {
self.dismissOrMinimize(notification);
},
onDismiss: function (callback) {
topic.listen(callback);
}
};
//Notifications support a 'dismissable' attribute. This is a
// convenience to support adding a 'dismiss' option to the
// notification for the common case of dismissing a
// notification. Could also be done manually by specifying an
// option on the model
if (notificationModel.dismissable !== false) {
notificationModel.options = notificationModel.options || [];
notificationModel.options.unshift({
label: "Dismiss",
callback: function () {
notification.dismiss();
}
});
}
this.notifications.push(notification);
this.setHighestSeverity();
/*
Check if there is already an active (ie. visible) notification
*/
if (!this.active.notification) {
this.setActiveNotification(notification);
} else if (!this.active.timeout) {
/*
If there is already an active notification, time it out. If it's
already got a timeout in progress (either because it has had
timeout forced because of a queue of messages, or it had an
autodismiss specified), leave it to run. Otherwise force a
timeout.
This notification has been added to queue and will be
serviced as soon as possible.
*/
this.active.timeout = this.$timeout(function () {
activeNotification.dismissOrMinimize();
}, this.AUTO_DISMISS_TIMEOUT);
}
return notification;
};
/**
* Used internally by the NotificationService
* @private
*/
NotificationService.prototype.setActiveNotification = function (notification) {
var shouldAutoDismiss;
this.active.notification = notification;
if (!notification) {
delete this.active.timeout;
return;
}
if (notification.model.severity === "info") {
shouldAutoDismiss = true;
} else {
shouldAutoDismiss = notification.model.autoDismiss;
}
if (shouldAutoDismiss || this.selectNextNotification()) {
this.active.timeout = this.$timeout(function () {
notification.dismissOrMinimize();
}, this.AUTO_DISMISS_TIMEOUT);
} else {
delete this.active.timeout;
}
};
/**
* Used internally by the NotificationService
*
* @private
*/
NotificationService.prototype.selectNextNotification = function () {
var notification,
i = 0;
/*
Loop through the notifications queue and find the first one that
has not already been minimized (manually or otherwise).
*/
for (; i < this.notifications.length; i++) {
notification = this.notifications[i];
if (!notification.model.minimized &&
notification !== this.active.notification) {
return notification;
}
}
};
return NotificationService;
}
);