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/* SQL Chart Builder 3.0 front-end helpers (Chart.js v4) */ |
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/* Legacy compat: cached shortcode output generated by v2.x may still reference |
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the 'horizontalBar' chart type that Chart.js v4 removed. Alias it to a bar |
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chart with a horizontal index axis so old inline scripts keep rendering. */ |
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(function () { |
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if (typeof Chart === 'undefined' || !Chart.registry || !Chart.BarController) return; |
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try { |
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Chart.registry.getController('horizontalBar'); |
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} catch (e) { |
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var HorizontalBarController = function () { |
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return Reflect.construct(Chart.BarController, arguments, HorizontalBarController); |
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}; |
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HorizontalBarController.prototype = Object.create(Chart.BarController.prototype); |
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Object.setPrototypeOf(HorizontalBarController, Chart.BarController); |
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HorizontalBarController.id = 'horizontalBar'; |
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HorizontalBarController.defaults = Object.assign({}, Chart.BarController.defaults, { indexAxis: 'y' }); |
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try { Chart.register(HorizontalBarController); } catch (err) { /* noop */ } |
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} |
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})(); |
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|
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/* "Force tooltips" feature: draws every value directly on the chart |
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(v4 replacement of the old v2 beforeRender/Tooltip hack). |
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Activated per chart via options.showAllTooltips = true. */ |
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(function () { |
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if (typeof Chart === 'undefined') return; |
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Chart.register({ |
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id: 'gvnShowAllValues', |
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afterDatasetsDraw: function (chart) { |
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if (!chart.config.options || !chart.config.options.showAllTooltips) return; |
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var ctx = chart.ctx; |
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ctx.save(); |
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ctx.font = 'bold 12px sans-serif'; |
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ctx.textAlign = 'center'; |
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ctx.textBaseline = 'middle'; |
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chart.data.datasets.forEach(function (dataset, i) { |
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var meta = chart.getDatasetMeta(i); |
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if (meta.hidden) return; |
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meta.data.forEach(function (element, index) { |
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var value = dataset.data[index]; |
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if (value === null || typeof value === 'undefined') return; |
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if (typeof value === 'object') value = value.y; |
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var pos = element.tooltipPosition ? element.tooltipPosition() : element; |
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ctx.fillStyle = '#fff'; |
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ctx.strokeStyle = 'rgba(0,0,0,0.6)'; |
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ctx.lineWidth = 3; |
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ctx.strokeText(String(value), pos.x, pos.y); |
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ctx.fillText(String(value), pos.x, pos.y); |
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}); |
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}); |
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ctx.restore(); |
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} |
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}); |
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})(); |
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|
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/* "Scale X axis by date/time" option: the PHP side emits {x: <utc ms>, y: value} points on a linear |
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X scale whose tick callback and tooltip title callback are the two globals below. UTC getters are |
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used on purpose so a date never shifts by a day in the viewer's time zone. */ |
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(function () { |
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function pad(n) { return (n < 10 ? '0' : '') + n; } |
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function fmt(ms, withTime) { |
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var d = new Date(ms); |
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if (isNaN(d.getTime())) return ms; |
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var s = d.getUTCFullYear() + '-' + pad(d.getUTCMonth() + 1) + '-' + pad(d.getUTCDate()); |
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if (withTime) s += ' ' + pad(d.getUTCHours()) + ':' + pad(d.getUTCMinutes()); |
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return s; |
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} |
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function hasTime(chart) { |
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if (!chart || chart.__gvnHasTime !== undefined) return chart ? chart.__gvnHasTime : false; |
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var found = false; |
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(chart.data.datasets || []).forEach(function (ds) { |
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(ds.data || []).forEach(function (p) { |
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if (p && typeof p === 'object' && p.x % 86400000 !== 0) found = true; |
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}); |
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}); |
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chart.__gvnHasTime = found; |
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return found; |
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} |
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// scales.x.ticks.callback – "this" is the scale |
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window.gvnSqlChartsTimeTick = function (value) { |
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return fmt(value, hasTime(this && this.chart)); |
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}; |
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// plugins.tooltip.callbacks.title |
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window.gvnSqlChartsTimeTooltipTitle = function (items) { |
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return items && items.length ? fmt(items[0].parsed.x, hasTime(items[0].chart)) : ''; |
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}; |
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})(); |
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|
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/* Datepicker for [type: date] dynamic filters */ |
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jQuery(function ($) { |
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if ($.fn.datepicker) { |
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$('[data-toggle="datepicker"]').datepicker({ format: 'yyyy-mm-dd', autoHide: true }); |
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} |
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}); |
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|
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/* Export helpers (kept for backward compatibility with custom setups) */ |
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function saveaspng(id) { |
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var canvas = jQuery('#' + id + ' canvas, canvas#' + id).get(0); |
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if (canvas && canvas.toDataURL) { |
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window.open(canvas.toDataURL('image/png')); |
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return; |
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} |
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window.open(jQuery('#' + id + ' img').attr('src')); |
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} |
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|
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function exportcsv() { |
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var csvFile = csv_title + csv_data; |
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csvFile = csvFile.split('<br>').join('\n'); |
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var filename = 'mycsv.csv'; |
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var blob = new Blob([csvFile], { type: 'text/csv;charset=utf-8;' }); |
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var link = document.createElement('a'); |
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if (link.download !== undefined) { |
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var url = URL.createObjectURL(blob); |
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link.setAttribute('href', url); |
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link.setAttribute('download', filename); |
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link.style.visibility = 'hidden'; |
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document.body.appendChild(link); |
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link.click(); |
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document.body.removeChild(link); |
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} |
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} |
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|
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/* ajax on dismissed admin notice */ |
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jQuery(function ($) { |
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$(document).on('click', '.guaven-sqlcharts-notice .notice-dismiss', function () { |
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var type = $(this).closest('.guaven-sqlcharts-notice').data('notice'); |
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if (typeof guaven_sqlcharts_notice_dismissed === 'undefined') return; |
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$.ajax(ajaxurl, { |
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type: 'POST', |
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data: { |
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action: guaven_sqlcharts_notice_dismissed.action, |
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type: type, |
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nonce: guaven_sqlcharts_notice_dismissed.nonce |
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} |
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}); |
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}); |
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}); |
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|
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/* Legacy no-op: v2.x cached output may call this before our plugin exists */ |
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window.guaven_sqlcharts_show_pie_labels = window.guaven_sqlcharts_show_pie_labels || function () {}; |
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