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var wfGraphViewer = angular.module("wfGraphViewer", []);
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wfGraphViewer.directive("wfGraphModal", function ($http) {
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return {
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restrict: 'E',
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replace:true,
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scope: {
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'wfId' : '=',
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'visible' : '='
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},
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templateUrl: '/html/wf/wf-graph-modal.html',
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link: function (scope, element, attrs, ctrl) {
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scope.width = 600;
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scope.height = 400;
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scope.graph = { nodes: [], arcs: [] };
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scope.currentNode = {}
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$(element).modal({'show': false});
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scope.$watch(function() {
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return scope.visible;
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}, function(value) {
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if (value == true && scope.wfId) {
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scope.graph = { nodes: [], arcs: [] };
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$(element).modal('show');
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scope.visible = false;
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showSpinner();
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$http.get('wf/getGraph.do?wfId=' + scope.wfId).success(function (data) {
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scope.rearrangeNodes(data);
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scope.graph = data;
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scope.currentNode = {};
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hideSpinner();
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}).error(function (e) {
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show_notification('error', 'Error fetching graph: ' + e);
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hideSpinner();
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});
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}
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});
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scope.showNodeInfo = function(node) {
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scope.currentNode = node;
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};
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scope.hideNodeInfo = function() {
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scope.currentNode = {};
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};
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scope.rearrangeNodes = function(graph) {
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var nodeLevelSizes = [];
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scope.width = 600;
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scope.height = 400;
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angular.forEach(graph.nodes, function (node) {
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node.x = 0;
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node.y = 0;
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});
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angular.forEach(graph.nodes, function (node) {
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if (node.type == 'start') {
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scope.updatePosition(node, 0, graph, nodeLevelSizes);
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}
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});
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angular.forEach(graph.nodes, function (node) {
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scope.width = Math.max(scope.width, node.x + 250);
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scope.height = Math.max(scope.height, node.y + 60);
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});
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};
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scope.updatePosition = function(node, level, graph, nodeLevelSizes) {
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if (node.x == 0 && node.y == 0) {
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while (nodeLevelSizes.length <= level) {
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nodeLevelSizes.push(0);
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}
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node.x = (nodeLevelSizes[level] * 230) + 10;
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node.y = (level * 110) + 10;
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nodeLevelSizes[level]++;
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angular.forEach(graph.arcs, function (arc) {
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if (arc.from == node.name) {
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if (arc.from == arc.to) {
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arc.x1 = arc.x2 = node.x + 190;
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arc.y1 = arc.y2 = node.y + 25
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} else {
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angular.forEach(graph.nodes, function (other) {
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if (arc.to == other.name) {
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scope.updatePosition(other, level + 1, graph, nodeLevelSizes);
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var dx = node.x - other.x;
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var dy = node.y - other.y;
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// TODO : linee verticali che si sovrappongono (nodi che distano piu di un livello), linee che passano sotto ai nodi, linee che risalgono,
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if (dy < 0) {
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// linee con frecce in basso
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arc.x1 = node.x + 90;
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arc.y1 = node.y + 55;
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arc.x2 = other.x + 90;
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arc.y2 = other.y - 15;
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var step;
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if (dx > 0) {
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step = Math.min(80, 2 * Math.sqrt(dx));
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} else if (dx < 0) {
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step = Math.max(-80, -2 * Math.sqrt(-dx));
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} else {
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step = 0;
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}
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arc.x1 -= step;
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arc.x2 += step;
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} else if (dy > 0) {
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arc.x1 = node.x + 90;
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arc.y1 = node.y - 15;
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arc.x2 = other.x + 90;
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arc.y2 = other.y + 55;
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var step;
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if (dx > 0) {
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step = Math.min(80, 2 * Math.sqrt(dx));
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} else if (dx < 0) {
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step = Math.max(-80, -2 * Math.sqrt(-dx));
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} else {
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step = 0;
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}
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arc.x1 -= step;
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arc.x2 += step;
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} else {
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// linee orizzonatali
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arc.x1 = node.x;
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arc.x2 = other.x;
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arc.y1 = arc.y2 = node.y + 25 - (Math.min(20, Math.abs(dx / 230) - 1)) * 5;
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if (dx > 0) {
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arc.x1 -= 5;
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arc.x2 += 190;
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} else {
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arc.x1 += 190;
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arc.x2 -= 5;
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}
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}
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}
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});
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}
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}
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}
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);
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}
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};
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}
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}
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});
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wfGraphViewer.directive('wfGraphNode', function () {
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return {
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restrict: 'E',
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replace: true,
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templateNamespace: 'svg',
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templateUrl: '/html/wf/wf-graph-node.html',
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scope: {
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name: '@',
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type: '@',
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classType: '@',
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x: '@',
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y: '@',
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funct: '&'
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}
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}
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});
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wfGraphViewer.directive('wfGraphArc', function () {
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return {
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restrict: 'E',
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replace: true,
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templateNamespace: 'svg',
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templateUrl: '/html/wf/wf-graph-arc.html',
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scope: {
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name: '@',
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from: '@',
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to: '@',
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x1: '@',
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y1: '@',
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x2: '@',
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y2: '@'
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}
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}
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});
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