DevicesAndLinkstations/index.html at master · mikkark/DevicesAndLinkstations · GitHub

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<!DOCTYPE html>
<!--[if lt IE 7]>      <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]-->
<!--[if IE 7]>         <html class="no-js lt-ie9 lt-ie8"> <![endif]-->
<!--[if IE 8]>         <html class="no-js lt-ie9"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]-->
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title></title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="css/normalize.css">
        <link rel="stylesheet" href="css/main.css">
        <script src="js/vendor/jquery-1.10.2.min.js"></script>
        <script src="js/vendor/modernizr-2.6.2.min.js"></script>
        <script src="bower_components/angular/angular.js"></script>
        <script src="bower_components/rxjs/dist/rx.all.js"></script>
        <script src="bower_components/angular-rx/dist/rx.angular.js"></script>
        <script type="text/javascript">
            ($(function() {
            }));
        </script>
        <script type="text/javascript">
            var app = angular.module('app', ['rx']);

            app.directive('canvas', function () {
                return {
                    templateNamespace: 'svg',
                    template: '<svg ng-click="add()" height="400" style="display: inline-block" width="60%" ng-transclude></svg>',
                    restrict: 'E',
                    replace: true,
                    transclude: true,
                    link: function(scope, element, attr) {
                        scope.add = function() {
                            if (scope.addDevice) {
                                scope.devices.push({ name: 'new device ' + scope.devices.length, X: 100, Y: 100 });
                            }
                            else if (scope.addLinkstation) {
                                scope.linkstations.push({ X: 100, Y: 100, reach: 80 });
                                scope.devices.forEach(function(device) { scope.relink(device)});
                            }
                        };
                    }
                }
            });

            app.directive('linkStation', function () {
                return {
                    templateNamespace: 'svg',
                    template: '<circle r=5></circle>',
                    restrict: 'E',
                    replace: true
                };
            });

            app.directive('device', function () {
                return {
                    templateNamespace: 'svg',
                    template: '<circle r=10 style="background-color: #105cb6"></circle>',
                    restrict: 'E',
                    replace: true
                };
            });

            app.directive('link', function () {
                return {
                    templateNamespace: 'svg',
                    template:   '<g>' +
                                '<line x1="{{link.d.X}}" x2="{{link.l.X}}" y1="{{link.d.Y}}" y2="{{link.l.Y}}" stroke="5" style="stroke:rgb(255,0,0);stroke-width:2">' +
                                '</line>' +
                                '<text x="{{link.d.X}}" y="{{link.d.Y}}" fill="red">power:{{link.currPower}}</text>' +
                                '</g>',
                    restrict: 'E',
                    scope: {
                        link: '=link'
                    },
                    replace: true
                };
            });

            app.directive('rxDrag', ['$document', function($document) {
                return function(scope, element, attr) {
                    var device = scope.devices.filter(function(elem) { return elem.name == attr.name })[0];
                    var offsetX = Math.round($('#canvas').position().left);
                    var offsetY = Math.round($('#canvas').position().top);

                    element.css({
                        position: 'relative',
                        border: '1px solid red',
                        backgroundColor: 'lightgrey',
                        cursor: 'pointer'
                    });

                    element.on('mousedown', function(event) {
                        event.preventDefault();
                        $document.on('mousemove', mousemove);
                        $document.on('mouseup', mouseup);
                    });

                    function mousemove(event) {
                        device.Y = event.pageY - offsetY;
                        device.X = event.pageX - offsetX;
                        scope.$apply();
                    }

                    function mouseup() {
                        $document.off('mousemove', mousemove);
                        $document.off('mouseup', mouseup);
                    }
                };
            }]);

            app.controller('main', ['$scope', 'observeOnScope', function($scope, observeOnScope) {
                var linkstations = [
                    { X: 400, Y: 400, reach: 300 },
                    { X: 300, Y: 300, reach: 200 },
                    { X: 150, Y: 200, reach: 100 },
                    { X: 600, Y: 90, reach: 50 }
                ];

                var devices = [
                    { name: 'device 1', X: 200, Y: 250 },
                    { name: 'device 2', X: 300, Y: 90 },
                    { name: 'device 3', X: 150, Y: 150 },
                    { name: 'device 4', X: 125, Y: 60 }
                ];

                var links = [
                    { d: devices[0], l: linkstations[0], currPower: 0 },
                    { d: devices[1], l: linkstations[0], currPower: 0 },
                    { d: devices[2], l: linkstations[0], currPower: 0 },
                    { d: devices[3], l: linkstations[0], currPower: 0 }
                ];

                var getCurrentLink = function(device) {
                    var currLink = $scope.links.filter(function(link) { return link.d === device; })[0];

                    if (!currLink) {
                        currLink = {
                            d: device,
                            l: { X:0, Y: 0, reach: 0 }
                        }
                    }

                    return currLink;
                };

                var getDist = function(elem1, elem2) {
                    return Math.sqrt(Math.pow(Math.abs(elem1.X - elem2.X), 2) +
                            Math.pow(Math.abs(elem1.Y - elem2.Y), 2));
                };

                var getPower = function(dist, reach) {
                    return dist > reach ? 0.0 : Math.pow((reach - dist), 2);
                };

                $scope.relink = function(device) {
                    var currLink = getCurrentLink(device);
                    var currLinkstation = currLink.l;

                    var currDist = getDist(device, currLinkstation);
                    var currPower = getPower(currDist, currLinkstation.reach);

                    var preferedLinkstationAndPower = $scope.linkstations.reduce(function(acc, curr) {
                        var dist = getDist(device, curr);
                        var power = getPower(dist, curr.reach);

                        if (power > 0 && power > currPower) {
                            return { l: curr, p: currPower };
                        }
                        else {
                            return acc;
                        }
                    }, { l: currLinkstation, p: currPower });

                    currLink.currPower = currPower;

                    if (preferedLinkstationAndPower.l !== currLinkstation)
                    {
                        currLink.l = preferedLinkstationAndPower.l;
                        currLink.currPower = preferedLinkstationAndPower.p;

                        if($scope.links.indexOf(currLink) < 0) {
                            $scope.links.push(currLink);
                        }
                    }
                    else if (currPower == 0)
                    {
                        var index = $scope.links.indexOf(currLink);
                        if (index >= 0)
                        {
                            $scope.links.splice(index, 1);
                        }
                    }
                };

                $scope.getCurrentPower = function(device) {
                    var currLink = getCurrentLink(device);
                    return currLink.currPower;
                };

                $scope.devices = devices;
                $scope.linkstations = linkstations;
                $scope.links = links;

                $scope.addDevice = false;
                $scope.addLinkstation = false;

                devices.forEach(function(device) { $scope.relink(device)});

                var datachanges = observeOnScope($scope, function($scope) {
                    return $scope.devices.map(function(device) {
                        return { d: device, x: device.X, y: device.Y };
                    })
                }, true);
                datachanges.subscribe(function(change) {
                    for (var i = 0; i < change.newValue.length; i++){
                        var newD = change.newValue[i].d;

                        if (i >= change.oldValue.length)
                        {
                            $scope.relink(newD);
                            break;
                        }

                        var oldD = change.oldValue[i].d;

                        if (newD.X != oldD.X || newD.Y != oldD.Y) {
                            $scope.relink(newD);
                            break;
                        }
                    }
                });
            }]);
        </script>
    </head>
    <body ng-app="app">

        <p>This page shows link stations, devices and the preferred link station for each device.</p>

        <div ng-controller="main">

            <div style="display: inline-block;margin-right:5px;width: 20%;vertical-align: top">
                <div id="deviceControls" ng-repeat="device in devices">
                    <input type="text" ng-model="device.name "/>
                    <input type="number" ng-model="device.X" style="display: block"/>
                    <input type="number" ng-model="device.Y" style="display: block"/>
                    <p>current power: {{getCurrentPower(device)}}</p>
                </div>
            </div>
            <div id="buttons" style="display: inline-block;width:10%;margin-right:5px">
                <input type="button" class="toggleButton" ng-class="{'pressed' : addDevice}" ng-click="addDevice=!addDevice" value="Add device" />
                <input type="button" class="toggleButton" ng-class="{'pressed' : addLinkstation}" ng-click="addLinkstation=!addLinkstation" value="Add link station" />
            </div>

            <canvas ng-cloak id="canvas" style="margin-left: 10px;border: 5px solid;">
                <link-station ng-repeat="device in linkstations" ng-attr-cx="{{device.X}}" ng-attr-cy="{{device.Y}}"></link-station>
                <device rx-drag ng-repeat="device in devices" data-name="{{device.name}}" ng-attr-cx="{{device.X}}" ng-attr-cy="{{device.Y}}"></device>
                <link ng-repeat="link in links" link="link" />
            </canvas>
        </div>

        <script src="js/plugins.js"></script>
        <script src="js/main.js"></script>

    </body>
</html>