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/**
* tc-angular-chartjs - v1.0.11 - 2015-05-17
* Copyright (c) 2015 Carl Craig <carlcraig@3c-studios.com>
* Dual licensed with the Apache-2.0 or MIT license.
*/
(function() {
"use strict";
angular.module("tc.chartjs", []).directive("tcChartjs", TcChartjs).directive("tcChartjsLine", TcChartjsLine).directive("tcChartjsBar", TcChartjsBar).directive("tcChartjsRadar", TcChartjsRadar).directive("tcChartjsPolararea", TcChartjsPolararea).directive("tcChartjsPie", TcChartjsPie).directive("tcChartjsDoughnut", TcChartjsDoughnut).directive("tcChartjsLegend", TcChartjsLegend).factory("TcChartjsFactory", TcChartjsFactory);
function TcChartjs(TcChartjsFactory) {
return new TcChartjsFactory();
}
TcChartjs.$inject = [ "TcChartjsFactory" ];
function TcChartjsLine(TcChartjsFactory) {
return new TcChartjsFactory("line");
}
TcChartjsLine.$inject = [ "TcChartjsFactory" ];
function TcChartjsBar(TcChartjsFactory) {
return new TcChartjsFactory("bar");
}
TcChartjsBar.$inject = [ "TcChartjsFactory" ];
function TcChartjsRadar(TcChartjsFactory) {
return new TcChartjsFactory("radar");
}
TcChartjsRadar.$inject = [ "TcChartjsFactory" ];
function TcChartjsPolararea(TcChartjsFactory) {
return new TcChartjsFactory("polararea");
}
TcChartjsPolararea.$inject = [ "TcChartjsFactory" ];
function TcChartjsPie(TcChartjsFactory) {
return new TcChartjsFactory("pie");
}
TcChartjsPie.$inject = [ "TcChartjsFactory" ];
function TcChartjsDoughnut(TcChartjsFactory) {
return new TcChartjsFactory("doughnut");
}
TcChartjsDoughnut.$inject = [ "TcChartjsFactory" ];
function TcChartjsFactory() {
return function(chartType) {
var directive = {
restrict: "A",
scope: {
data: "=chartData",
options: "=chartOptions",
type: "@chartType",
legend: "=chartLegend",
chart: "=chart"
},
link: link
};
return directive;
function link($scope, $elem, $attrs) {
var ctx = $elem[0].getContext("2d");
var chart = new Chart(ctx);
var chartObj;
var showLegend = false;
var autoLegend = false;
var exposeChart = false;
var legendElem = null;
for (var attr in $attrs) {
if (attr === "chartLegend") {
showLegend = true;
} else if (attr === "chart") {
exposeChart = true;
} else if (attr === "autoLegend") {
autoLegend = true;
}
}
$scope.$on("$destroy", function() {
if (chartObj) {
chartObj.destroy();
}
});
$scope.$watch("data", function(value) {
if (value) {
if (chartObj) {
chartObj.destroy();
}
if (chartType) {
chartObj = chart[cleanChartName(chartType)]($scope.data, $scope.options);
} else if ($scope.type) {
chartObj = chart[cleanChartName($scope.type)]($scope.data, $scope.options);
} else {
throw "Error creating chart: Chart type required.";
}
if (showLegend) {
$scope.legend = chartObj.generateLegend();
}
if (autoLegend) {
if (legendElem) {
legendElem.remove();
}
angular.element($elem[0]).after(chartObj.generateLegend());
legendElem = angular.element($elem[0]).next();
}
if (exposeChart) {
$scope.chart = chartObj;
}
chartObj.resize();
}
}, true);
}
function cleanChartName(type) {
var typeLowerCase = type.toLowerCase();
switch (typeLowerCase) {
case "line":
return "Line";
case "bar":
return "Bar";
case "radar":
return "Radar";
case "polararea":
return "PolarArea";
case "pie":
return "Pie";
case "doughnut":
return "Doughnut";
default:
return type;
}
}
};
}
function TcChartjsLegend() {
var directive = {
restrict: "A",
scope: {
legend: "=chartLegend"
},
link: link
};
return directive;
function link($scope, $elem) {
$scope.$watch("legend", function(value) {
if (value) {
$elem.html(value);
}
}, true);
}
}
})();
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