Ghost/core/client/views/base.js
Hannah Wolfe 00b60a7a74 Clear notifications before adding new ones
closes #783

 - I think there's probably a nicer solution than putting clearEverything() everywhere, but that would also probably involve significant refactoring.
2013-09-18 02:48:38 +01:00

384 lines
12 KiB
JavaScript

/*global window, document, setTimeout, Ghost, $, _, Backbone, JST, shortcut */
(function () {
"use strict";
Ghost.TemplateView = Backbone.View.extend({
templateName: "widget",
template: function (data) {
return JST[this.templateName](data);
},
templateData: function () {
if (this.model) {
return this.model.toJSON();
}
if (this.collection) {
return this.collection.toJSON();
}
return {};
},
render: function () {
if (_.isFunction(this.beforeRender)) {
this.beforeRender();
}
this.$el.html(this.template(this.templateData()));
if (_.isFunction(this.afterRender)) {
this.afterRender();
}
return this;
}
});
Ghost.View = Ghost.TemplateView.extend({
// Adds a subview to the current view, which will
// ensure its removal when this view is removed,
// or when view.removeSubviews is called
addSubview: function (view) {
if (!(view instanceof Backbone.View)) {
throw new Error("Subview must be a Backbone.View");
}
this.subviews = this.subviews || [];
this.subviews.push(view);
return view;
},
// Removes any subviews associated with this view
// by `addSubview`, which will in-turn remove any
// children of those views, and so on.
removeSubviews: function () {
var children = this.subviews;
if (!children) {
return this;
}
_(children).invoke("remove");
this.subviews = [];
return this;
},
// Extends the view's remove, by calling `removeSubviews`
// if any subviews exist.
remove: function () {
if (this.subviews) {
this.removeSubviews();
}
return Backbone.View.prototype.remove.apply(this, arguments);
}
});
Ghost.Views.Utils = {
// Used in API request fail handlers to parse a standard api error
// response json for the message to display
getRequestErrorMessage: function (request) {
var message,
msgDetail;
// Can't really continue without a request
if (!request) {
return null;
}
// Seems like a sensible default
message = request.statusText;
// If a non 200 response
if (request.status !== 200) {
try {
// Try to parse out the error, or default to "Unknown"
message = request.responseJSON.error || "Unknown Error";
} catch (e) {
msgDetail = request.status ? request.status + " - " + request.statusText : "Server was not available";
message = "The server returned an error (" + msgDetail + ").";
}
}
return message;
},
// Getting URL vars
getUrlVariables: function () {
var vars = [],
hash,
hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&'),
i;
for (i = 0; i < hashes.length; i += 1) {
hash = hashes[i].split('=');
vars.push(hash[0]);
vars[hash[0]] = hash[1];
}
return vars;
}
};
/**
* This is the view to generate the markup for the individual
* notification. Will be included into #notifications.
*
* States can be
* - persistent
* - passive
*
* Types can be
* - error
* - success
* - alert
* - (empty)
*
*/
Ghost.Views.Notification = Ghost.View.extend({
templateName: 'notification',
className: 'js-bb-notification',
template: function (data) {
return JST[this.templateName](data);
},
render: function () {
var html = this.template(this.model);
this.$el.html(html);
return this;
}
});
/**
* This handles Notification groups
*/
Ghost.Views.NotificationCollection = Ghost.View.extend({
el: '#notifications',
initialize: function () {
var self = this;
this.render();
Ghost.on('urlchange', function () {
self.clearEverything();
});
},
events: {
'animationend .js-notification': 'removeItem',
'webkitAnimationEnd .js-notification': 'removeItem',
'oanimationend .js-notification': 'removeItem',
'MSAnimationEnd .js-notification': 'removeItem',
'click .js-notification.notification-passive .close': 'closePassive',
'click .js-notification.notification-persistent .close': 'closePersistent'
},
render: function () {
_.each(this.model, function (item) {
this.renderItem(item);
}, this);
},
renderItem: function (item) {
var itemView = new Ghost.Views.Notification({ model: item }),
height,
$notification = $(itemView.render().el);
this.$el.append($notification);
height = $notification.hide().outerHeight(true);
$notification.animate({height: height}, 250, function () {
$(this)
.css({height: "auto"})
.fadeIn(250);
});
},
addItem: function (item) {
this.model.push(item);
this.renderItem(item);
},
clearEverything: function () {
this.$el.find('.js-notification.notification-passive').remove();
},
removeItem: function (e) {
e.preventDefault();
var self = e.currentTarget,
bbSelf = this;
if (self.className.indexOf('notification-persistent') !== -1) {
$.ajax({
type: "DELETE",
url: '/api/v0.1/notifications/' + $(self).find('.close').data('id')
}).done(function (result) {
bbSelf.$el.slideUp(250, function () {
$(this).show().css({height: "auto"});
$(self).remove();
});
});
} else {
$(self).slideUp(250, function () {
$(this)
.show()
.css({height: "auto"})
.remove();
});
}
},
closePassive: function (e) {
$(e.currentTarget)
.parent()
.fadeOut(250)
.slideUp(250, function () {
$(this).remove();
});
},
closePersistent: function (e) {
var self = e.currentTarget,
bbSelf = this;
$.ajax({
type: "DELETE",
url: '/api/v0.1/notifications/' + $(self).data('id')
}).done(function (result) {
var height = bbSelf.$('.js-notification').outerHeight(true),
$parent = $(self).parent();
bbSelf.$el.css({height: height});
if ($parent.parent().hasClass('js-bb-notification')) {
$parent.parent().fadeOut(200, function () {
$(this).remove();
bbSelf.$el.slideUp(250, function () {
$(this).show().css({height: "auto"});
});
});
} else {
$parent.fadeOut(200, function () {
$(this).remove();
bbSelf.$el.slideUp(250, function () {
$(this).show().css({height: "auto"});
});
});
}
});
}
});
// ## Modals
Ghost.Views.Modal = Ghost.View.extend({
el: '#modal-container',
templateName: 'modal',
className: 'js-bb-modal',
// Render and manages modal dismissal
initialize: function () {
this.render();
var self = this;
if (this.model.options.close) {
shortcut.add("ESC", function () {
self.removeElement();
});
$(document).on('click', '.modal-background', function () {
self.removeElement();
});
} else {
shortcut.remove("ESC");
$(document).off('click', '.modal-background');
}
if (this.model.options.confirm) {
// Initiate functions for buttons here so models don't get tied up.
this.acceptModal = function () {
this.model.options.confirm.accept.func.call(this);
self.removeElement();
};
this.rejectModal = function () {
this.model.options.confirm.reject.func.call(this);
self.removeElement();
};
}
},
templateData: function () {
return this.model;
},
events: {
'click .close': 'removeElement',
'click .js-button-accept': 'acceptModal',
'click .js-button-reject': 'rejectModal'
},
afterRender: function () {
this.$el.fadeIn(50);
$(".modal-background").fadeIn(10, function () {
$(this).addClass("in");
});
if (this.model.options.confirm) {
this.$('.close').remove();
}
this.$(".modal-body").html(this.addSubview(new Ghost.Views.Modal.ContentView({model: this.model})).render().el);
// if (document.body.style.webkitFilter !== undefined) { // Detect webkit filters
// $("body").addClass("blur"); // Removed due to poor performance in Chrome
// }
if (_.isFunction(this.model.options.afterRender)) {
this.model.options.afterRender.call(this);
}
if (this.model.options.animation) {
this.animate(this.$el.children(".js-modal"));
}
},
// #### remove
// Removes Backbone attachments from modals
remove: function () {
this.undelegateEvents();
this.$el.empty();
this.stopListening();
return this;
},
// #### removeElement
// Visually removes the modal from the user interface
removeElement: function (e) {
if (e) {
e.preventDefault();
e.stopPropagation();
}
var self = this,
$jsModal = $('.js-modal'),
removeModalDelay = $jsModal.transitionDuration(),
removeBackgroundDelay = self.$el.transitionDuration();
$jsModal.removeClass('in');
if (!this.model.options.animation) {
removeModalDelay = removeBackgroundDelay = 0;
}
setTimeout(function () {
if (document.body.style.filter !== undefined) {
$("body").removeClass("blur");
}
$(".modal-background").removeClass('in');
setTimeout(function () {
self.remove();
self.$el.hide();
$(".modal-background").hide();
}, removeBackgroundDelay);
}, removeModalDelay);
},
// #### animate
// Animates the animation
animate: function (target) {
setTimeout(function () {
target.addClass('in');
}, target.transitionDuration());
}
});
// ## Modal Content
Ghost.Views.Modal.ContentView = Ghost.View.extend({
template: function (data) {
return JST['modals/' + this.model.content.template](data);
},
templateData: function () {
return this.model;
}
});
}());