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Simon Hunt
195cb389 1 parent a887ba8a

Restructuring GUI code - first pass - WIP.

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/*
* Copyright 2014 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.
*/
/*
Geometry library - based on work by Mike Bostock.
*/
(function() {
if (typeof geo == 'undefined') {
geo = {};
}
var tolerance = 1e-10;
function eq(a, b) {
return (Math.abs(a - b) < tolerance);
}
function gt(a, b) {
return (a - b > -tolerance);
}
function lt(a, b) {
return gt(b, a);
}
geo.eq = eq;
geo.gt = gt;
geo.lt = lt;
geo.LineSegment = function(x1, y1, x2, y2) {
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
// Ax + By = C
this.a = y2 - y1;
this.b = x1 - x2;
this.c = x1 * this.a + y1 * this.b;
if (eq(this.a, 0) && eq(this.b, 0)) {
throw new Error(
'Cannot construct a LineSegment with two equal endpoints.');
}
};
geo.LineSegment.prototype.intersect = function(that) {
var d = (this.x1 - this.x2) * (that.y1 - that.y2) -
(this.y1 - this.y2) * (that.x1 - that.x2);
if (eq(d, 0)) {
// The two lines are parallel or very close.
return {
x : NaN,
y : NaN
};
}
var t1 = this.x1 * this.y2 - this.y1 * this.x2,
t2 = that.x1 * that.y2 - that.y1 * that.x2,
x = (t1 * (that.x1 - that.x2) - t2 * (this.x1 - this.x2)) / d,
y = (t1 * (that.y1 - that.y2) - t2 * (this.y1 - this.y2)) / d,
in1 = (gt(x, Math.min(this.x1, this.x2)) && lt(x, Math.max(this.x1, this.x2)) &&
gt(y, Math.min(this.y1, this.y2)) && lt(y, Math.max(this.y1, this.y2))),
in2 = (gt(x, Math.min(that.x1, that.x2)) && lt(x, Math.max(that.x1, that.x2)) &&
gt(y, Math.min(that.y1, that.y2)) && lt(y, Math.max(that.y1, that.y2)));
return {
x : x,
y : y,
in1 : in1,
in2 : in2
};
};
geo.LineSegment.prototype.x = function(y) {
// x = (C - By) / a;
if (this.a) {
return (this.c - this.b * y) / this.a;
} else {
// a == 0 -> horizontal line
return NaN;
}
};
geo.LineSegment.prototype.y = function(x) {
// y = (C - Ax) / b;
if (this.b) {
return (this.c - this.a * x) / this.b;
} else {
// b == 0 -> vertical line
return NaN;
}
};
geo.LineSegment.prototype.length = function() {
return Math.sqrt(
(this.y2 - this.y1) * (this.y2 - this.y1) +
(this.x2 - this.x1) * (this.x2 - this.x1));
};
geo.LineSegment.prototype.offset = function(x, y) {
return new geo.LineSegment(
this.x1 + x, this.y1 + y,
this.x2 + x, this.y2 + y);
};
})();
<!DOCTYPE html>
<!--
~ Copyright 2014 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 UI - single page web app
Version 1.1
@author Simon Hunt
-->
<html>
<head>
<meta charset="utf-8">
<title>ONOS GUI (v1.1)</title>
<link rel="shortcut icon" href="img/onos-logo.png">
<!-- first script to be run -->
<script src="preamble.js"></script>
<!-- Third party library code included here -->
<!--TODO: use the minified version of d3, once debugging is complete -->
<script src="libs/d3.js"></script>
<script src="libs/jquery-2.1.1.min.js"></script>
<!-- Base library and framework stylesheets included here -->
<link rel="stylesheet" href="base.css">
<link rel="stylesheet" href="onos2.css">
<link rel="stylesheet" href="mast2.css">
<!-- This is where contributed stylesheets get INJECTED -->
<!-- TODO: replace with template marker and inject refs server-side -->
<link rel="stylesheet" href="topo2.css">
<!-- General library modules included here-->
<script src="geometry2.js"></script>
<!-- ONOS UI Framework included here-->
<script src="onos2.js"></script>
</head>
<body>
<div id="frame">
<div id="mast">
<!-- NOTE: masthead injected here by mast.js -->
</div>
<div id="view">
<!-- NOTE: views injected here by onos.js -->
</div>
<div id="overlays">
<!-- NOTE: overlays injected here, as needed -->
</div>
</div>
<!-- Initialize the UI...-->
<script type="text/javascript">
var ONOS = $.onos({note: "config, if needed"});
</script>
<!-- Framework module files included here -->
<script src="mast2.js"></script>
<!-- Contributed (application) views injected here -->
<!-- TODO: replace with template marker and inject refs server-side -->
<script src="temp2.js"></script>
<!-- finally, build the UI-->
<script type="text/javascript">
$(ONOS.buildUi);
</script>
</body>
</html>
/*
* Copyright 2014 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 -- Masthead -- CSS file
@author Simon Hunt
*/
#mast {
height: 36px;
padding: 4px;
background-color: #bbb;
vertical-align: baseline;
box-shadow: 0px 2px 8px #777;
}
#mast img#logo {
height: 38px;
padding-left: 8px;
padding-right: 8px;
}
#mast span.title {
color: #369;
font-size: 14pt;
font-style: italic;
vertical-align: 12px;
}
#mast span.right {
padding-top: 8px;
padding-right: 16px;
float: right;
}
#mast span.radio {
color: darkslateblue;
font-size: 10pt;
}
#mast span.radio {
margin: 4px 0;
border: 1px dotted #222;
padding: 1px 6px;
color: #eee;
cursor: pointer;
}
#mast span.radio.active {
background-color: #bbb;
border: 1px solid #eee;
padding: 1px 6px;
color: #666;
font-weight: bold;
}
/*
* Copyright 2014 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 -- Masthead
Defines the masthead for the UI. Injects logo and title, as well as providing
the placeholder for a set of radio buttons.
@author Simon Hunt
*/
(function (onos){
'use strict';
// API's
var api = onos.api;
// Config variables
var guiTitle = 'Open Networking Operating System';
// DOM elements and the like
var mast = d3.select('#mast');
mast.append('img')
.attr({
id: 'logo',
src: 'img/onos-logo.png'
});
mast.append('span')
.attr({
class: 'title'
})
.text(guiTitle);
mast.append('span')
.attr({
id: 'mastRadio',
class: 'right'
});
}(ONOS));
\ No newline at end of file
/*
* Copyright 2014 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 -- Base Framework -- CSS file
@author Simon Hunt
*/
html, body {
height: 100%;
}
/*
* === DEBUGGING ======
*/
svg {
/*border: 1px dashed red;*/
}
svg #bg {
opacity: 0.5;
}
/*
* Network Graph elements ======================================
*/
svg .link {
fill: none;
stroke: #666;
stroke-width: 2.0px;
opacity: .7;
transition: opacity 250ms;
-webkit-transition: opacity 250ms;
-moz-transition: opacity 250ms;
}
svg .link.host {
stroke: #666;
stroke-width: 1px;
}
svg g.portLayer rect.port {
fill: #ccc;
}
svg g.portLayer text {
font: 8pt sans-serif;
pointer-events: none;
}
svg .node.device rect {
stroke-width: 1.5px;
transition: opacity 250ms;
-webkit-transition: opacity 250ms;
-moz-transition: opacity 250ms;
}
svg .node.device.fixed rect {
stroke-width: 1.5;
stroke: #ccc;
}
svg .node.device.roadm rect {
fill: #03c;
}
svg .node.device.switch rect {
fill: #06f;
}
svg .node.host circle {
fill: #c96;
stroke: #000;
}
svg .node text {
fill: white;
font: 10pt sans-serif;
pointer-events: none;
}
/* for debugging */
svg .node circle.debug {
fill: white;
stroke: red;
}
svg .node rect.debug {
fill: yellow;
stroke: red;
opacity: 0.35;
}
svg .node.selected rect,
svg .node.selected circle {
filter: url(#blue-glow);
}
svg .link.inactive,
svg .port.inactive,
svg .portText.inactive,
svg .node.inactive rect,
svg .node.inactive circle,
svg .node.inactive text,
svg .node.inactive image {
opacity: .1;
}
svg .node.inactive.selected rect,
svg .node.inactive.selected text,
svg .node.inactive.selected image {
opacity: .6;
}
/*
* =============================================================
*/
/*
* Specific structural elements
*/
/* This is to ensure that the body does not expand to account for the
flyout details pane, that is positioned "off screen".
*/
body {
overflow: hidden;
}
#frame {
width: 100%;
height: 100%;
background-color: #fff;
}
#flyout {
position: absolute;
z-index: 100;
display: block;
top: 10%;
width: 280px;
right: -300px;
opacity: 0;
background-color: rgba(255,255,255,0.8);
padding: 10px;
color: black;
font-size: 10pt;
box-shadow: 2px 2px 16px #777;
}
#flyout h2 {
margin: 8px 4px;
color: black;
vertical-align: middle;
}
#flyout h2 img {
height: 32px;
padding-right: 8px;
vertical-align: middle;
}
#flyout p, table {
margin: 4px 4px;
}
#flyout td.label {
font-style: italic;
color: #777;
padding-right: 12px;
}
#flyout td.value {
}
#flyout hr {
height: 1px;
color: #ccc;
background-color: #ccc;
border: 0;
}
/*
* Copyright 2014 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 -- Base Framework
@author Simon Hunt
*/
(function ($) {
'use strict';
var tsI = new Date().getTime(), // initialize time stamp
tsB, // build time stamp
defaultHash = 'temp1';
// attach our main function to the jQuery object
$.onos = function (options) {
var publicApi; // public api
// internal state
var views = {},
current = {
view: null,
ctx: ''
},
built = false,
errorCount = 0;
// DOM elements etc.
var $view;
// ..........................................................
// Internal functions
// throw an error
function throwError(msg) {
// separate function, as we might add tracing here too, later
throw new Error(msg);
}
function doError(msg) {
errorCount++;
console.warn(msg);
}
// hash navigation
function hash() {
var hash = window.location.hash,
redo = false,
view,
t;
if (!hash) {
hash = defaultHash;
redo = true;
}
t = parseHash(hash);
if (!t || !t.vid) {
doError('Unable to parse target hash: ' + hash);
}
view = views[t.vid];
if (!view) {
doError('No view defined with id: ' + t.vid);
}
if (redo) {
window.location.hash = makeHash(t);
// the above will result in a hashchange event, invoking
// this function again
} else {
// hash was not modified... navigate to where we need to be
navigate(hash, view, t);
}
}
function parseHash(s) {
// extract navigation coordinates from the supplied string
// "vid,ctx" --> { vid:vid, ctx:ctx }
var m = /^[#]{0,1}(\S+),(\S*)$/.exec(s);
if (m) {
return { vid: m[1], ctx: m[2] };
}
m = /^[#]{0,1}(\S+)$/.exec(s);
return m ? { vid: m[1] } : null;
}
function makeHash(t, ctx) {
// make a hash string from the given navigation coordinates.
// if t is not an object, then it is a vid
var h = t,
c = ctx || '';
if ($.isPlainObject(t)) {
h = t.vid;
c = t.ctx || '';
}
if (c) {
h += ',' + c;
}
return h;
}
function navigate(hash, view, t) {
// closePanes() // flyouts etc.
// updateNav() // accordion / selected nav item
createView(view);
setView(view, hash, t);
}
function reportBuildErrors() {
// TODO: validate registered views / nav-item linkage etc.
console.log('(no build errors)');
}
// ..........................................................
// View life-cycle functions
function createView(view) {
var $d;
// lazy initialization of the view
if (view && !view.$div) {
$d = $view.append('div')
.attr({
id: view.vid
});
view.$div = $d; // cache a reference to the selected div
}
}
function setView(view, hash, t) {
// set the specified view as current, while invoking the
// appropriate life-cycle callbacks
// if there is a current view, and it is not the same as
// the incoming view, then unload it...
if (current.view && !(current.view.vid !== view.vid)) {
current.view.unload();
}
// cache new view and context
current.view = view;
current.ctx = t.ctx || '';
// TODO: clear radio button set (store on view?)
// preload is called only once, after the view is in the DOM
if (!view.preloaded) {
view.preload(t.ctx);
}
// clear the view of stale data
view.reset();
// load the view
view.load(t.ctx);
}
function resizeView() {
if (current.view) {
current.view.resize();
}
}
// ..........................................................
// View class
// Captures state information about a view.
// Constructor
// vid : view id
// nid : id of associated nav-item (optional)
// cb : callbacks (preload, reset, load, resize, unload, error)
// data: custom data object (optional)
function View(vid) {
var av = 'addView(): ',
args = Array.prototype.slice.call(arguments),
nid,
cb,
data;
args.shift(); // first arg is always vid
if (typeof args[0] === 'string') { // nid specified
nid = args.shift();
}
cb = args.shift();
data = args.shift();
this.vid = vid;
if (validateViewArgs(vid)) {
this.nid = nid; // explicit navitem id (can be null)
this.cb = $.isPlainObject(cb) ? cb : {}; // callbacks
this.data = data; // custom data (can be null)
this.$div = null; // view not yet added to DOM
this.ok = true; // valid view
}
}
function validateViewArgs(vid) {
var ok = false;
if (typeof vid !== 'string' || !vid) {
doError(av + 'vid required');
} else if (views[vid]) {
doError(av + 'View ID "' + vid + '" already exists');
} else {
ok = true;
}
return ok;
}
var viewInstanceMethods = {
toString: function () {
return '[View: id="' + this.vid + '"]';
},
token: function() {
return {
vid: this.vid,
nid: this.nid,
data: this.data
}
}
// TODO: create, preload, reset, load, error, resize, unload
};
// attach instance methods to the view prototype
$.extend(View.prototype, viewInstanceMethods);
// ..........................................................
// Exported API
publicApi = {
printTime: function () {
console.log("the time is " + new Date());
},
addView: function (vid, nid, cb, data) {
var view = new View(vid, nid, cb, data),
token;
if (view.ok) {
views[vid] = view;
token = view.token();
} else {
token = { vid: view.vid, bad: true };
}
return token;
}
};
// function to be called from index.html to build the ONOS UI
function buildOnosUi() {
tsB = new Date().getTime();
tsI = tsB - tsI; // initialization duration
console.log('ONOS UI initialized in ' + tsI + 'ms');
if (built) {
throwError("ONOS UI already built!");
}
built = true;
$view = d3.select('#view');
$(window).on('hashchange', hash);
// Invoke hashchange callback to navigate to content
// indicated by the window location hash.
hash();
// If there were any build errors, report them
reportBuildErrors();
}
// export the api and build-UI function
return {
api: publicApi,
buildUi: buildOnosUi
};
};
}(jQuery));
\ No newline at end of file
/*
* Copyright 2014 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 -- Preamble -- the first thing we do
@author Simon Hunt
*/
(function () {
// Check if the URL in the address bar contains a parameter section
// (delineated by '?'). If this is the case, rewrite using '#' instead.
var m = /([^?]*)\?(.*)/.exec(window.location.href);
if (m) {
window.location.href = m[1] + '#' + m[2];
}
}());
/*
* Copyright 2014 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.
*/
/*
Temporary module file to test the framework integration.
@author Simon Hunt
*/
(function (onos) {
'use strict';
var api = onos.api;
var vid,
svg;
// == define your functions here.....
// NOTE: view is a data structure:
// {
// id: 'view-id',
// el: ... // d3 selection of dom view div.
// }
function load(view) {
vid = view.id;
svg = view.el.append('svg')
.attr({
width: 400,
height: 300
});
var fill = (vid === 'temp1') ? 'red' : 'blue',
stroke = (vid === 'temp2') ? 'yellow' : 'black';
svg.append('circle')
.attr({
cx: 200,
cy: 150,
r: 30
})
.style({
fill: fill,
stroke: stroke,
'stroke-width': 3.5
});
}
// == register views here, with links to lifecycle callbacks
api.addView('temp1', {
load: load
});
api.addView('temp2', {
load: load
});
}(ONOS));
/*
* Copyright 2014 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 view -- CSS file
@author Simon Hunt
*/
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