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Direktori : /home/keydecors/www/admin/bower_components/flot.tooltip/js/ |
Current File : /home/keydecors/www/admin/bower_components/flot.tooltip/js/jquery.flot.tooltip.source.js |
(function ($) { // plugin options, default values var defaultOptions = { tooltip: false, tooltipOpts: { id: "flotTip", content: "%s | X: %x | Y: %y", // allowed templates are: // %s -> series label, // %lx -> x axis label (requires flot-axislabels plugin https://github.com/markrcote/flot-axislabels), // %ly -> y axis label (requires flot-axislabels plugin https://github.com/markrcote/flot-axislabels), // %x -> X value, // %y -> Y value, // %x.2 -> precision of X value, // %p -> percent xDateFormat: null, yDateFormat: null, monthNames: null, dayNames: null, shifts: { x: 10, y: 20 }, defaultTheme: true, lines: { track: false, threshold: 0.05 }, // callbacks onHover: function (flotItem, $tooltipEl) {}, $compat: false } }; // object var FlotTooltip = function (plot) { // variables this.tipPosition = {x: 0, y: 0}; this.init(plot); }; // main plugin function FlotTooltip.prototype.init = function (plot) { var that = this; // detect other flot plugins var plotPluginsLength = $.plot.plugins.length; this.plotPlugins = []; if (plotPluginsLength) { for (var p = 0; p < plotPluginsLength; p++) { this.plotPlugins.push($.plot.plugins[p].name); } } plot.hooks.bindEvents.push(function (plot, eventHolder) { // get plot options that.plotOptions = plot.getOptions(); // if not enabled return if (that.plotOptions.tooltip === false || typeof that.plotOptions.tooltip === 'undefined') return; // shortcut to access tooltip options that.tooltipOptions = that.plotOptions.tooltipOpts; if (that.tooltipOptions.$compat) { that.wfunc = 'width'; that.hfunc = 'height'; } else { that.wfunc = 'innerWidth'; that.hfunc = 'innerHeight'; } // create tooltip DOM element var $tip = that.getDomElement(); // bind event $( plot.getPlaceholder() ).bind("plothover", plothover); $(eventHolder).bind('mousemove', mouseMove); }); plot.hooks.shutdown.push(function (plot, eventHolder){ $(plot.getPlaceholder()).unbind("plothover", plothover); $(eventHolder).unbind("mousemove", mouseMove); }); function mouseMove(e){ var pos = {}; pos.x = e.pageX; pos.y = e.pageY; plot.setTooltipPosition(pos); } function plothover(event, pos, item) { // Simple distance formula. var lineDistance = function (p1x, p1y, p2x, p2y) { return Math.sqrt((p2x - p1x) * (p2x - p1x) + (p2y - p1y) * (p2y - p1y)); }; // Here is some voodoo magic for determining the distance to a line form a given point {x, y}. var dotLineLength = function (x, y, x0, y0, x1, y1, o) { if (o && !(o = function (x, y, x0, y0, x1, y1) { if (typeof x0 !== 'undefined') return { x: x0, y: y }; else if (typeof y0 !== 'undefined') return { x: x, y: y0 }; var left, tg = -1 / ((y1 - y0) / (x1 - x0)); return { x: left = (x1 * (x * tg - y + y0) + x0 * (x * -tg + y - y1)) / (tg * (x1 - x0) + y0 - y1), y: tg * left - tg * x + y }; } (x, y, x0, y0, x1, y1), o.x >= Math.min(x0, x1) && o.x <= Math.max(x0, x1) && o.y >= Math.min(y0, y1) && o.y <= Math.max(y0, y1)) ) { var l1 = lineDistance(x, y, x0, y0), l2 = lineDistance(x, y, x1, y1); return l1 > l2 ? l2 : l1; } else { var a = y0 - y1, b = x1 - x0, c = x0 * y1 - y0 * x1; return Math.abs(a * x + b * y + c) / Math.sqrt(a * a + b * b); } }; if (item) { plot.showTooltip(item, pos); } else if (that.plotOptions.series.lines.show && that.tooltipOptions.lines.track === true) { var closestTrace = { distance: -1 }; $.each(plot.getData(), function (i, series) { var xBeforeIndex = 0, xAfterIndex = -1; // Our search here assumes our data is sorted via the x-axis. // TODO: Improve efficiency somehow - search smaller sets of data. for (var j = 1; j < series.data.length; j++) { if (series.data[j - 1][0] <= pos.x && series.data[j][0] >= pos.x) { xBeforeIndex = j - 1; xAfterIndex = j; } } if (xAfterIndex === -1) { plot.hideTooltip(); return; } var pointPrev = { x: series.data[xBeforeIndex][0], y: series.data[xBeforeIndex][1] }, pointNext = { x: series.data[xAfterIndex][0], y: series.data[xAfterIndex][1] }; var distToLine = dotLineLength(pos.x, pos.y, pointPrev.x, pointPrev.y, pointNext.x, pointNext.y, false); if (distToLine < that.tooltipOptions.lines.threshold) { var closestIndex = lineDistance(pointPrev.x, pointPrev.y, pos.x, pos.y) < lineDistance(pos.x, pos.y, pointNext.x, pointNext.y) ? xBeforeIndex : xAfterIndex; var pointSize = series.datapoints.pointsize; // Calculate the point on the line vertically closest to our cursor. var pointOnLine = [ pos.x, pointPrev.y + ((pointNext.y - pointPrev.y) * ((pos.x - pointPrev.x) / (pointNext.x - pointPrev.x))) ]; var item = { datapoint: pointOnLine, dataIndex: closestIndex, series: series, seriesIndex: i }; if (closestTrace.distance === -1 || distToLine < closestTrace.distance) { closestTrace = { distance: distToLine, item: item }; } } }); if (closestTrace.distance !== -1) plot.showTooltip(closestTrace.item, pos); else plot.hideTooltip(); } else { plot.hideTooltip(); } } // Quick little function for setting the tooltip position. plot.setTooltipPosition = function (pos) { var $tip = that.getDomElement(); var totalTipWidth = $tip.outerWidth() + that.tooltipOptions.shifts.x; var totalTipHeight = $tip.outerHeight() + that.tooltipOptions.shifts.y; if ((pos.x - $(window).scrollLeft()) > ($(window)[that.wfunc]() - totalTipWidth)) { pos.x -= totalTipWidth; } if ((pos.y - $(window).scrollTop()) > ($(window)[that.hfunc]() - totalTipHeight)) { pos.y -= totalTipHeight; } that.tipPosition.x = pos.x; that.tipPosition.y = pos.y; }; // Quick little function for showing the tooltip. plot.showTooltip = function (target, position) { var $tip = that.getDomElement(); // convert tooltip content template to real tipText var tipText = that.stringFormat(that.tooltipOptions.content, target); $tip.html(tipText); plot.setTooltipPosition({ x: position.pageX, y: position.pageY }); $tip.css({ left: that.tipPosition.x + that.tooltipOptions.shifts.x, top: that.tipPosition.y + that.tooltipOptions.shifts.y }).show(); // run callback if (typeof that.tooltipOptions.onHover === 'function') { that.tooltipOptions.onHover(target, $tip); } }; // Quick little function for hiding the tooltip. plot.hideTooltip = function () { that.getDomElement().hide().html(''); }; }; /** * get or create tooltip DOM element * @return jQuery object */ FlotTooltip.prototype.getDomElement = function () { var $tip = $('#' + this.tooltipOptions.id); if( $tip.length === 0 ){ $tip = $('<div />').attr('id', this.tooltipOptions.id); $tip.appendTo('body').hide().css({position: 'absolute'}); if(this.tooltipOptions.defaultTheme) { $tip.css({ 'background': '#fff', 'z-index': '1040', 'padding': '0.4em 0.6em', 'border-radius': '0.5em', 'font-size': '0.8em', 'border': '1px solid #111', 'display': 'none', 'white-space': 'nowrap' }); } } return $tip; }; /** * core function, create tooltip content * @param {string} content - template with tooltip content * @param {object} item - Flot item * @return {string} real tooltip content for current item */ FlotTooltip.prototype.stringFormat = function (content, item) { var percentPattern = /%p\.{0,1}(\d{0,})/; var seriesPattern = /%s/; var xLabelPattern = /%lx/; // requires flot-axislabels plugin https://github.com/markrcote/flot-axislabels, will be ignored if plugin isn't loaded var yLabelPattern = /%ly/; // requires flot-axislabels plugin https://github.com/markrcote/flot-axislabels, will be ignored if plugin isn't loaded var xPattern = /%x\.{0,1}(\d{0,})/; var yPattern = /%y\.{0,1}(\d{0,})/; var xPatternWithoutPrecision = "%x"; var yPatternWithoutPrecision = "%y"; var customTextPattern = "%ct"; var x, y, customText, p; // for threshold plugin we need to read data from different place if (typeof item.series.threshold !== "undefined") { x = item.datapoint[0]; y = item.datapoint[1]; customText = item.datapoint[2]; } else if (typeof item.series.lines !== "undefined" && item.series.lines.steps) { x = item.series.datapoints.points[item.dataIndex * 2]; y = item.series.datapoints.points[item.dataIndex * 2 + 1]; // TODO: where to find custom text in this variant? customText = ""; } else { x = item.series.data[item.dataIndex][0]; y = item.series.data[item.dataIndex][1]; customText = item.series.data[item.dataIndex][2]; } // I think this is only in case of threshold plugin if (item.series.label === null && item.series.originSeries) { item.series.label = item.series.originSeries.label; } // if it is a function callback get the content string if (typeof(content) === 'function') { content = content(item.series.label, x, y, item); } // percent match for pie charts and stacked percent if (typeof (item.series.percent) !== 'undefined') { p = item.series.percent; } else if (typeof (item.series.percents) !== 'undefined') { p = item.series.percents[item.dataIndex]; } if (typeof p === 'number') { content = this.adjustValPrecision(percentPattern, content, p); } // series match if (typeof(item.series.label) !== 'undefined') { content = content.replace(seriesPattern, item.series.label); } else { //remove %s if label is undefined content = content.replace(seriesPattern, ""); } // x axis label match if (this.hasAxisLabel('xaxis', item)) { content = content.replace(xLabelPattern, item.series.xaxis.options.axisLabel); } else { //remove %lx if axis label is undefined or axislabels plugin not present content = content.replace(xLabelPattern, ""); } // y axis label match if (this.hasAxisLabel('yaxis', item)) { content = content.replace(yLabelPattern, item.series.yaxis.options.axisLabel); } else { //remove %ly if axis label is undefined or axislabels plugin not present content = content.replace(yLabelPattern, ""); } // time mode axes with custom dateFormat if (this.isTimeMode('xaxis', item) && this.isXDateFormat(item)) { content = content.replace(xPattern, this.timestampToDate(x, this.tooltipOptions.xDateFormat, item.series.xaxis.options)); } if (this.isTimeMode('yaxis', item) && this.isYDateFormat(item)) { content = content.replace(yPattern, this.timestampToDate(y, this.tooltipOptions.yDateFormat, item.series.yaxis.options)); } // set precision if defined if (typeof x === 'number') { content = this.adjustValPrecision(xPattern, content, x); } if (typeof y === 'number') { content = this.adjustValPrecision(yPattern, content, y); } // change x from number to given label, if given if (typeof item.series.xaxis.ticks !== 'undefined') { var ticks; if (this.hasRotatedXAxisTicks(item)) { // xaxis.ticks will be an empty array if tickRotor is being used, but the values are available in rotatedTicks ticks = 'rotatedTicks'; } else { ticks = 'ticks'; } // see https://github.com/krzysu/flot.tooltip/issues/65 var tickIndex = item.dataIndex + item.seriesIndex; if (item.series.xaxis[ticks].length > tickIndex && !this.isTimeMode('xaxis', item)) { var valueX = (this.isCategoriesMode('xaxis', item)) ? item.series.xaxis[ticks][tickIndex].label : item.series.xaxis[ticks][tickIndex].v; if (valueX === x) { content = content.replace(xPattern, item.series.xaxis[ticks][tickIndex].label); } } } // change y from number to given label, if given if (typeof item.series.yaxis.ticks !== 'undefined') { for (var index in item.series.yaxis.ticks) { if (item.series.yaxis.ticks.hasOwnProperty(index)) { var valueY = (this.isCategoriesMode('yaxis', item)) ? item.series.yaxis.ticks[index].label : item.series.yaxis.ticks[index].v; if (valueY === y) { content = content.replace(yPattern, item.series.yaxis.ticks[index].label); } } } } // if no value customization, use tickFormatter by default if (typeof item.series.xaxis.tickFormatter !== 'undefined') { //escape dollar content = content.replace(xPatternWithoutPrecision, item.series.xaxis.tickFormatter(x, item.series.xaxis).replace(/\$/g, '$$')); } if (typeof item.series.yaxis.tickFormatter !== 'undefined') { //escape dollar content = content.replace(yPatternWithoutPrecision, item.series.yaxis.tickFormatter(y, item.series.yaxis).replace(/\$/g, '$$')); } if (customText) content = content.replace(customTextPattern, customText); return content; }; // helpers just for readability FlotTooltip.prototype.isTimeMode = function (axisName, item) { return (typeof item.series[axisName].options.mode !== 'undefined' && item.series[axisName].options.mode === 'time'); }; FlotTooltip.prototype.isXDateFormat = function (item) { return (typeof this.tooltipOptions.xDateFormat !== 'undefined' && this.tooltipOptions.xDateFormat !== null); }; FlotTooltip.prototype.isYDateFormat = function (item) { return (typeof this.tooltipOptions.yDateFormat !== 'undefined' && this.tooltipOptions.yDateFormat !== null); }; FlotTooltip.prototype.isCategoriesMode = function (axisName, item) { return (typeof item.series[axisName].options.mode !== 'undefined' && item.series[axisName].options.mode === 'categories'); }; // FlotTooltip.prototype.timestampToDate = function (tmst, dateFormat, options) { var theDate = $.plot.dateGenerator(tmst, options); return $.plot.formatDate(theDate, dateFormat, this.tooltipOptions.monthNames, this.tooltipOptions.dayNames); }; // FlotTooltip.prototype.adjustValPrecision = function (pattern, content, value) { var precision; var matchResult = content.match(pattern); if( matchResult !== null ) { if(RegExp.$1 !== '') { precision = RegExp.$1; value = value.toFixed(precision); // only replace content if precision exists, in other case use thickformater content = content.replace(pattern, value); } } return content; }; // other plugins detection below // check if flot-axislabels plugin (https://github.com/markrcote/flot-axislabels) is used and that an axis label is given FlotTooltip.prototype.hasAxisLabel = function (axisName, item) { return ($.inArray(this.plotPlugins, 'axisLabels') !== -1 && typeof item.series[axisName].options.axisLabel !== 'undefined' && item.series[axisName].options.axisLabel.length > 0); }; // check whether flot-tickRotor, a plugin which allows rotation of X-axis ticks, is being used FlotTooltip.prototype.hasRotatedXAxisTicks = function (item) { return ($.inArray(this.plotPlugins, 'tickRotor') !== -1 && typeof item.series.xaxis.rotatedTicks !== 'undefined'); }; // var init = function (plot) { new FlotTooltip(plot); }; // define Flot plugin $.plot.plugins.push({ init: init, options: defaultOptions, name: 'tooltip', version: '0.8.4' }); })(jQuery);