topo2Model.js
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/*
* Copyright 2016-present Open Networking Laboratory
*
* 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.
*/
/*
ONOS GUI -- Topology Force Module.
Visualization of the topology in an SVG layer, using a D3 Force Layout.
*/
(function () {
'use strict';
function Model(attributes) {
var attrs = attributes || {};
this.attributes = {};
attrs = angular.extend({}, attrs);
this.set(attrs, { silent: true });
this.initialize.apply(this, arguments);
}
Model.prototype = {
initialize: function () {},
onChange: function (property, value, options) {},
get: function (attr) {
return this.attributes[attr];
},
set: function (key, val, options) {
if (!key) {
return this;
}
var attributes;
if (typeof key === 'object') {
attributes = key;
options = val;
} else {
(attributes = {})[key] = val;
}
var opts = options || (options = {});
var unset = opts.unset,
silent = opts.silent,
changes = [],
changing = this._changing;
this._changing = true;
if (!changing) {
// NOTE: angular.copy causes issues in chrome
this._previousAttributes = Object.create(
Object.getPrototypeOf(this.attributes)
);
this.changed = {};
}
var current = this.attributes,
changed = this.changed,
previous = this._previousAttributes;
angular.forEach(attributes, function (attribute, index) {
val = attribute;
if (!angular.equals(current[index], val)) {
changes.push(index);
}
if (angular.equals(previous[index], val)) {
delete changed[index];
} else {
changed[index] = val;
}
if (unset) {
delete current[index];
} else {
current[index] = val;
}
});
// Trigger all relevant attribute changes.
if (!silent) {
if (changes.length) {
this._pending = opts;
}
for (var i = 0; i < changes.length; i++) {
this.onChange(changes[i], this,
current[changes[i]], opts);
}
}
this._changing = false;
return this;
},
toJSON: function (options) {
return angular.copy(this.attributes);
}
};
Model.extend = function (protoProps, staticProps) {
var parent = this;
var child;
child = function () {
return parent.apply(this, arguments);
};
angular.extend(child, parent, staticProps);
// Set the prototype chain to inherit from `parent`, without calling
// `parent`'s constructor function and add the prototype properties.
child.prototype = angular.extend({}, parent.prototype, protoProps);
child.prototype.constructor = child;
// Set a convenience property in case the parent's prototype is needed
// later.
child.__super__ = parent.prototype;
return child;
};
angular.module('ovTopo2')
.factory('Topo2Model', [
function () {
return Model;
}
]);
})();