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navigation.js
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navigation.js
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var NavigationController,
NavItem;
NavItem = Ember.Object.extend({
label: '',
url: '',
order: '',
last: false,
isComplete: Ember.computed('label', 'url', function () {
return !(Ember.isBlank(this.get('label').trim()) || Ember.isBlank(this.get('url')));
})
});
NavigationController = Ember.Controller.extend({
blogUrl: Ember.computed('config.blogUrl', function () {
var url = this.get('config.blogUrl');
return url.slice(-1) !== '/' ? url + '/' : url;
}),
navigationItems: Ember.computed('model.navigation', function (key, value) {
if (arguments.length > 1) {
return value.sortBy('order');
}
var order = 0,
navItems,
lastItem;
try {
navItems = JSON.parse(this.get('model.navigation') || [{}]);
} catch (e) {
navItems = [{}];
}
navItems = navItems.map(function (item) {
item.order = order;
order = order + 1;
return NavItem.create(item);
});
navItems.sortBy('order');
lastItem = navItems.get('lastObject');
if (!lastItem || lastItem.get('isComplete')) {
navItems.addObject(NavItem.create());
}
return navItems;
}),
updateLastNavItem: Ember.observer('navigationItems.[]', function () {
var navItems = this.get('navigationItems');
navItems.forEach(function (item, index, items) {
if (index === (items.length - 1)) {
item.set('last', true);
} else {
item.set('last', false);
}
});
}),
// called by the view after items have been rearranged
updateOrder: function (indexes) {
var navItems = this.get('navigationItems');
indexes.forEach(function (index, newOrder) {
navItems.objectAt(index).set('order', newOrder);
});
},
actions: {
addItem: function () {
var navItems = this.get('navigationItems'),
lastItem = navItems.get('lastObject');
if (lastItem && lastItem.get('isComplete')) {
lastItem.set('order', (navItems.length - 1)); // -1 because order is 0-index, length is 1-index
navItems.addObject(NavItem.create()); // Adds new blank navItem
}
},
deleteItem: function (item) {
if (!item) {
return;
}
var deletedItemOrder = item.get('order'),
navItems = this.get('navigationItems');
navItems.removeAt(navItems.indexOf(item));
navItems.forEach(function (item) {
if (!item.last && item.get('order') > deletedItemOrder) {
item.decrementProperty('order');
}
});
this.set('navigationItems', navItems);
},
updateUrl: function (url, navItem) {
if (!navItem) {
return;
}
if (Ember.isBlank(url)) {
navItem.set('url', this.get('blogUrl'));
return;
}
navItem.set('url', url);
},
save: function () {
var self = this,
navSetting,
blogUrl = this.get('config').blogUrl,
blogUrlRegex = new RegExp('^' + blogUrl + '(.*)', 'i'),
navItems = this.get('navigationItems'),
lastItem = navItems.get('lastObject'),
match;
// Don't save if there's a blank label.
if (navItems.find(function (item) { return !item.get('isComplete') && !item.get('last');})) {
self.notifications.showErrors(['One of your navigation items has an empty label.<br>Please enter a new label or delete the item before saving.']);
return;
}
// The last item is typically ignored in ordering, give it
// the last spot in case it has a label & url and hasn't been
// added yet.
if (lastItem.get('order') !== 0 && !lastItem.get('order')) {
lastItem.set('order', navItems.length);
}
navSetting = navItems.map(function (item) {
var label,
url,
order;
if (!item || !item.get('isComplete')) {
return;
}
label = item.get('label').trim();
url = item.get('url').trim();
order = item.get('order');
// is this an internal URL?
match = url.match(blogUrlRegex);
if (match) {
url = match[1];
// if the last char is not a slash, then add one,
// this also handles the empty case for the homepage
if (url[url.length - 1] !== '/') {
url += '/';
}
} else if (!validator.isURL(url) && url !== '' && url[0] !== '/') {
url = '/' + url;
}
return {label: label, url: url, order: order};
}).compact();
// Sort JSON so nav items are stored in the correct order
navSetting.sort(function (a, b) {
return a.order - b.order;
});
this.set('model.navigation', JSON.stringify(navSetting));
// trigger change event because even if the final JSON is unchanged
// we need to have navigationItems recomputed.
this.get('model').notifyPropertyChange('navigation');
this.notifications.closePassive();
this.get('model').save().then(function () {
self.notifications.showSuccess('Navigation items saved.');
}).catch(function (err) {
self.notifications.showErrors(err);
});
}
}
});
export default NavigationController;