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2022-05-31 16:21:53 -04:00
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+/* ------------------------------------------------------------------------------
+ *
+ *  # Google Visualization - diff chart
+ *
+ *  Google Visualization diff chart demonstration
+ *
+ * ---------------------------------------------------------------------------- */
+
+
+// Setup module
+// ------------------------------
+
+var GoogleDiffChart = function() {
+
+
+    //
+    // Setup module components
+    //
+
+    // Diff chart
+    var _googleDiffChart = function() {
+        if (typeof google == 'undefined') {
+            console.warn('Warning - Google Charts library is not loaded.');
+            return;
+        }
+
+        // Initialize chart
+        google.charts.load('current', {
+            callback: function () {
+
+                // Draw chart
+                drawDiff();
+
+                // Resize on sidebar width change
+                $(document).on('click', '.sidebar-control', drawDiff);
+
+                // Resize on window resize
+                var resizeDiffChart;
+                $(window).on('resize', function() {
+                    clearTimeout(resizeDiffChart);
+                    resizeDiffChart = setTimeout(function () {
+                        drawDiff();
+                    }, 200);
+                });
+            },
+            packages: ['corechart']
+        });
+
+        // Chart settings
+        function drawDiff() {
+
+            // Define charts element
+            var diff_chart_element = document.getElementById('google-diff');
+
+            // Old data
+            var oldData = google.visualization.arrayToDataTable([
+                ['Name', 'Popularity'],
+                ['Cesar', 425],
+                ['Rachel', 420],
+                ['Patrick', 290],
+                ['Eric', 620],
+                ['Eugene', 520],
+                ['John', 460],
+                ['Greg', 420],
+                ['Matt', 410]
+            ]);
+
+            // New data
+            var newData = google.visualization.arrayToDataTable([
+                ['Name', 'Popularity'],
+                ['Cesar', 307],
+                ['Rachel', 360],
+                ['Patrick', 200],
+                ['Eric', 550],
+                ['Eugene', 460],
+                ['John', 320],
+                ['Greg', 390],
+                ['Matt', 360]
+            ]);
+
+            // Options
+            var options = {
+                fontName: 'Roboto',
+                height: 400,
+                fontSize: 12,
+                chartArea: {
+                    left: '5%',
+                    width: '94%',
+                    height: 350
+                },
+                colors: ['#4CAF50'],
+                tooltip: {
+                    textStyle: {
+                        fontName: 'Roboto',
+                        fontSize: 13
+                    }
+                },
+                vAxis: {
+                    title: 'Popularity',
+                    titleTextStyle: {
+                        fontSize: 13,
+                        italic: false
+                    },
+                    gridlines:{
+                        color: '#e5e5e5',
+                        count: 10
+                    },
+                    minValue: 0
+                },
+                legend: {
+                    position: 'top',
+                    alignment: 'end',
+                    textStyle: {
+                        fontSize: 12
+                    }
+                }
+            };
+
+            // Attach chart to the DOM element
+            var diff = new google.visualization.ColumnChart(diff_chart_element);
+
+            // Set data
+            var diffData = diff.computeDiff(oldData, newData);
+
+            // Draw our chart, passing in some options
+            diff.draw(diffData, options);
+        }
+    };
+
+
+    //
+    // Return objects assigned to module
+    //
+
+    return {
+        init: function() {
+            _googleDiffChart();
+        }
+    }
+}();
+
+
+// Initialize module
+// ------------------------------
+
+GoogleDiffChart.init();