Add chart-renderer plugin for pdf export

library/Pdfexport/PrintableHtmlDocument.php

@@ -499,6 +499,11 @@ protected function createLayoutScript(): ValidHtml
         }
 
         $layoutJS = file_get_contents($jsPath . '/layout.js') . "\n\n\n";
+        $layoutJS .= file_get_contents('/usr/share/icinga-php/ipl/asset/js/vendor/d3.min.js') . "\n\n\n";
+        $layoutJS .= file_get_contents('/usr/share/icinga-php/ipl/asset/js/vendor/billboard.min.js') . "\n\n\n";
+        $layoutJS .= file_get_contents($jsPath . '/layout-plugins/chart-renderer.js') . "\n\n\n";
+
+
         $layoutJS .= file_get_contents($jsPath . '/layout-plugins/page-breaker.js') . "\n\n\n";
 
         return new HtmlElement(

public/js/layout-plugins/chart-renderer.js

@@ -0,0 +1,115 @@
+/* Icinga PDF Export | (c) 2024 Icinga GmbH | GPLv2 */
+
+"use strict";
+
+const FALLBACK_COLOR = 'green';
+
+(() => {
+    Layout.registerPlugin('chart-renderer', () => {
+        document.querySelectorAll('.icinga-chart').forEach(element => {
+            console.log('ssss');
+            let attrs = element.dataset;
+            let chartData = JSON.parse(attrs.chartData);
+
+            let data = chartData.data;
+            let xAxisTicks = chartData.xAxisTicks;
+
+            let threshold = attrs.chartThreshold;
+            let lineColor = attrs.chartLineColor ?? FALLBACK_COLOR;
+            let belowThresholdColor = attrs.chartBelowThresholdColor ?? FALLBACK_COLOR;
+            let aboveThresholdColor = attrs.chartAboveThresholdColor ?? FALLBACK_COLOR;
+            let yAxisMax = Number(attrs.chartYAxisMax ?? 100);
+            let yAxisMin = Number(attrs.chartYAxisMin ?? 0);
+
+            var grid = {};
+            if ('chartShowThresholdLine' in attrs) {
+                grid = {
+                    y: {
+                        lines: [
+                            {
+                                value: threshold,
+                                text: "threshold",
+                                class: "threshold-mark",
+                            },
+                        ]
+                    },
+                };
+            }
+
+            console.log(attrs, grid);
+
+            let chartElement = document.createElement('div');
+            chartElement.classList.add('chart-element');
+
+            element.appendChild(chartElement);
+
+            bb.generate({
+                bindto: chartElement,
+                clipPath: false, // show line on 0 and 100
+                zoom: {
+                    enabled: true,
+                    type: "drag"
+                },
+                data: {
+                    labels: {
+                        rotate: 90,
+                        format: (v, id, i, texts)=> {
+                            return (v === yAxisMin || v === yAxisMax) ? '' : v;
+                        },
+                    },
+                    type: attrs.chartType,
+                    x: "xAxisTicks",
+                    columns: [
+                        ["xAxisTicks"].concat(xAxisTicks),
+                        [attrs.chartTooltipLabel].concat(data)
+                    ],
+                    color: (color, datapoint) => {
+                        if (! ("value" in datapoint)) {
+                            return lineColor;
+                        }
+
+                        return datapoint.value <= threshold ? belowThresholdColor : aboveThresholdColor;
+                    },
+                },
+                axis: {
+                    y: {
+                        max: yAxisMax,
+                        min: yAxisMin,
+                        padding: {
+                            top: 0,
+                            bottom: 0
+                        },
+                        label: {
+                            text: attrs.chartYAxisLabel,
+                            position: "outer-middle",
+                        },
+                    },
+                    x: {
+                        type: attrs.chartXAxisType,
+                        label: {
+                            text: attrs.chartXAxisLabel,
+                            position: "outer-center",
+                        },
+                        tick: {
+                            multiline: true,
+                            rotate: 60,
+                            culling: {
+                                max: (xAxisTicks.length / 2) < 50 ? xAxisTicks.length : (xAxisTicks.length / 2)
+                            },
+                            //format:_this.getFormaterFunction(attrs, xAxisTicks),
+                        },
+                        clipPath: false,
+                        padding: {
+                            right: 30,
+                            unit: "px"
+                        }
+                    }
+                },
+                legend: {
+                    show: 'chartShowLegend' in attrs
+                },
+                grid : grid,
+            });
+        });
+    });
+})();