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frontend.js
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frontend.js
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"use strict";
db.finalizeDataLoading();
document.onmousedown = function() {
document.body.classList.remove("showFocus");
};
document.onkeydown = function(event) {
document.body.classList.add("showFocus");
if (event.key.startsWith("Esc")) {
if (isScreenshotModeEnabled) {
isScreenshotModeEnabled = false;
renderPage();
} else if (openedDropdown != null) {
closeDropdown();
}
}
};
document.onclick = function(event) {
closeDropdown();
};
const dynamicContent = document.createElement("DIV");
document.body.appendChild(dynamicContent);
window.onhashchange = function() {
navigate();
};
window.onresize = function() {
if (navigator.userAgentData.mobile)
return; // ignore resize event on mobile browsers, because they send it on scrolling
renderPage();
};
const homeLink = document.getElementById("homeLink");
homeLink.href = location.pathname + location.search;
homeLink.addEventListener("click", function(event) {
// re-render page without page reload
event.preventDefault();
history.pushState(null, null, location.pathname + location.search);
navigate();
});
const maxHintsHeight = 75;
var filtersDiv;
var chartsDiv;
var currentHash;
var isScreenshotModeEnabled;
var isShowAllChartsEnabled;
var isSingleChart;
var chartSetConfig;
var chartConfigs;
var sortByName;
var hintsDiv;
var isHintsDivExpanded;
var currentExportFormat;
var openedDropdown;
const canvasContext = document.createElement("CANVAS").getContext("2d");
setGlobalChartOptions();
navigate();
function navigate(renderOnlyCharts = false) {
currentHash = decodeURIComponent(location.hash.substr(1));
isScreenshotModeEnabled = false;
isShowAllChartsEnabled = false;
chartSetConfig = db.decodeChartConfigString(currentHash);
chartSetConfig = db.makeChartConfigValid(chartSetConfig);
chartConfigs = db.unfoldChartConfig(chartSetConfig);
if (currentHash == "") {
// Add an extra chart on the home page
let config = db.decodeChartConfigString("");
config.xProperty = db.xProperties.monthAvg12;
config.detailLevel = db.detailLevels.total;
config.unfoldedByParams.push("xProperty"); // make title visible
config = db.makeChartConfigValid(config);
chartConfigs.unshift(config);
}
isSingleChart = chartConfigs.length == 1;
sortByName = false;
isHintsDivExpanded = false;
currentExportFormat = null;
if (renderOnlyCharts && chartsDiv != null) {
updateFilters()
renderCharts();
} else {
renderPage();
}
logVisit();
}
function navigateToHash(hash, renderOnlyCharts = false) {
history.pushState(null, null, "#" + hash);
navigate(renderOnlyCharts);
}
function logVisit() {
if (location.hostname == "open-ev-charts.org") {
let r = new XMLHttpRequest();
r.open("GET", "https://webstats.open-ev-charts.org/?action=log&url=" + encodeURIComponent(location.href) + "&referrer=" + encodeURIComponent(document.referrer));
r.send();
}
}
function renderCharts() {
// Render the current charts
chartsDiv.innerHTML = "";
// Prevent displaying of too many charts at once
let maxVisibleCharts = 4;
if (!isMobileScreenSize())
maxVisibleCharts = 6;
for (const chartIndex in chartConfigs) {
renderChart(chartIndex);
if (chartIndex == maxVisibleCharts - 1 && !isShowAllChartsEnabled) {
addShowAllChartsButton();
break;
}
}
}
function renderPage() {
// (Re-)render the full page
dynamicContent.innerHTML = "";
hintsDiv = null;
chartsDiv = null;
if (currentHash.startsWith("status")) {
renderStatusPage();
return;
}
if (isScreenshotModeEnabled)
document.body.classList.add("screenshotMode");
else
document.body.classList.remove("screenshotMode");
if (isScreenshotModeEnabled) {
const div = document.createElement("DIV");
div.classList.add("screenshotModeBanner");
const exitButton = createLink();
exitButton.addEventListener("click", function(event) {
event.preventDefault();
isScreenshotModeEnabled = false;
renderPage();
});
exitButton.appendChild(document.createTextNode("Exit Screenshot Mode"));
div.appendChild(exitButton);
dynamicContent.appendChild(div);
} else {
renderFilters();
}
chartsDiv = document.createElement("DIV");
dynamicContent.appendChild(chartsDiv);
renderCharts();
}
function renderFilters() {
filtersDiv = document.createElement("DIV");
dynamicContent.appendChild(filtersDiv);
filtersDiv.classList.add("filters");
const params = db.getChartParams(chartSetConfig);
for (const i in params) {
const param = params[i];
renderFilterAsDropdown(filtersDiv, param);
if (param.breakLineAfterFilter && !isMobileScreenSize())
filtersDiv.appendChild(document.createElement("BR"));
}
}
function updateFilters() {
// Updates the content of the dropdowns, except the one which is opened.
const params = db.getChartParams(chartSetConfig);
for (const i in params) {
const param = params[i];
const dropdown = document.getElementById(param.name);
if (dropdown != null && !dropdown.classList.contains("opened"))
renderDropdownContent(param, dropdown);
}
}
function isMobileScreenSize() {
return window.innerWidth < 800;
}
function renderFilterAsDropdown(parentDiv, param) {
// Calculate width
let width = 40;
for (const optionKey in param.allOptions)
width = Math.max(width, canvasContext.measureText(param.allOptions[optionKey]).width * 1.35 + 40);
if (param.name == "country")
width += 10;
// Base element
let dropdown = createLink();
dropdown.id = param.name;
dropdown.classList.add("dropdown");
dropdown.style.width = width + "px";
parentDiv.appendChild(dropdown);
// Open/close click handler
dropdown.addEventListener("click", function(event) {
event.preventDefault();
openOrCloseDropdown(param, dropdown);
event.stopPropagation();
});
renderDropdownContent(param, dropdown);
}
function renderDropdownContent(param, dropdown) {
// Updates the dropdown visibility, and (if needed) (re-)renders the dropdown content.
if (!param.showAsFilter) {
dropdown.style.display = "none";
return;
}
dropdown.style.display = "";
dropdown.innerHTML = "";
const selectedKey = chartSetConfig[param.name];
const selectedKeys = selectedKey.split(",");
// Button text container
let textSpan = document.createElement("DIV");
textSpan.classList.add("text");
textSpan.title = param.title;
dropdown.appendChild(textSpan);
// Keyboard event handler
dropdown.addEventListener("keydown", function(event) {
if (event.keyCode == 13 || event.keyCode == 32) {
if (openedDropdown != dropdown) {
event.preventDefault();
openOrCloseDropdown(param, dropdown);
}
} else if (event.keyCode == 38 || event.keyCode == 40) {
if (openedDropdown == dropdown && document.activeElement) {
event.preventDefault();
let base = document.activeElement;
if (param.allowMultiSelection)
base = base.parentNode;
if (event.keyCode == 38 && base.previousSibling) {
let toFocus = base.previousSibling;
if (param.allowMultiSelection && toFocus.firstChild.disabled)
toFocus = toFocus.previousSibling;
toFocus.focus();
} else if (event.keyCode == 40 && base.nextSibling) {
let toFocus = base.nextSibling;
if (param.allowMultiSelection && toFocus.firstChild.disabled)
toFocus = toFocus.nextSibling;
toFocus.focus();
}
}
}
});
// Overlay
let overlay = document.createElement("DIV");
overlay.classList.add("overlay");
overlay.setAttribute("tabIndex", "-1");
dropdown.appendChild(overlay);
for (const optionKey in param.allOptions) {
let optionElem;
if (param.allowMultiSelection)
optionElem = document.createElement("LABEL");
else
optionElem = createLink();
overlay.appendChild(optionElem);
const selected = selectedKeys.includes(optionKey);
if (selected)
optionElem.classList.add("selected");
if (param.allowMultiSelection) {
let checkbox = document.createElement("INPUT");
checkbox.type = "checkbox";
checkbox.value = optionKey;
checkbox.checked = selected;
checkbox.addEventListener("click", function(event) {
paramOptionClickHandler(param, optionKey, true, true);
updateDropdownState(param.name, dropdown, textSpan, overlay);
event.stopPropagation();
});
checkbox.addEventListener("keydown", function(event) {
if (event.keyCode == 13 || event.keyCode == 32) {
if (!optionElem.classList.contains("disabled")) {
event.preventDefault();
paramOptionClickHandler(param, optionKey, true, true);
updateDropdownState(param.name, dropdown, textSpan, overlay);
event.stopPropagation();
}
}
});
optionElem.appendChild(checkbox);
}
let optionText = param.allOptions[optionKey];
if (param.name == "country")
optionElem.appendChild(createCountryFlagContainer(optionKey, optionText, false, true));
else
optionElem.appendChild(document.createTextNode(optionText));
optionElem.addEventListener("click", function(event) {
event.preventDefault();
if (!optionElem.classList.contains("disabled"))
paramOptionClickHandler(param, optionKey);
event.stopPropagation();
});
optionElem.addEventListener("keydown", function(event) {
if (event.keyCode == 13 || event.keyCode == 32) {
if (!optionElem.classList.contains("disabled"))
paramOptionClickHandler(param, optionKey);
}
});
}
updateDropdownState(param.name, dropdown, textSpan, overlay);
}
function updateDropdownState(paramName, dropdown, textSpan, overlay) {
const params = db.getChartParams(chartSetConfig);
const param = params[paramName];
const selectedKey = chartSetConfig[param.name];
const selectedKeys = selectedKey.split(",");
// Update 'active' state
if (selectedKey != param.defaultOption || param.showAlwaysAsActive)
dropdown.classList.add("active");
else
dropdown.classList.remove("active");
// Update button text
textSpan.innerHTML = "";
let selectedOptionTexts = [];
if (param.name == "country") {
for (const optionKey in param.options) {
if (selectedKeys.includes(optionKey)) {
textSpan.appendChild(createCountryFlagContainer(optionKey, "", false, true));
if (selectedKeys.length == 1 || !db.countries[optionKey])
selectedOptionTexts.push(param.options[optionKey]);
}
}
} else {
for (const optionKey in param.options) {
if (selectedKeys.includes(optionKey))
selectedOptionTexts.push(param.options[optionKey]);
}
}
textSpan.appendChild(document.createTextNode(selectedOptionTexts.join(", ")));
// Update options disabled and checked state
if (param.allowMultiSelection) {
const optionKeys = Object.keys(param.allOptions);
for (let i = 0; i < optionKeys.length; i++) {
const optionKey = optionKeys[i];
const optionNode = overlay.childNodes[i]
const checkbox = optionNode.firstChild;
const disabled = param.options[optionKey] == null;
checkbox.disabled = disabled;
if (disabled) {
checkbox.checked = false;
optionNode.classList.add("disabled");
} else {
optionNode.classList.remove("disabled");
checkbox.checked = selectedKeys.includes(optionKey);
}
}
}
}
function openOrCloseDropdown(param, dropdown) {
if (openedDropdown == dropdown)
closeDropdown()
else if (openedDropdown != dropdown) {
closeDropdown();
dropdown.classList.add("opened");
openedDropdown = dropdown;
dropdown.childNodes[1].firstChild.focus();
}
}
function closeDropdown() {
if (openedDropdown != null) {
openedDropdown.classList.remove("opened");
openedDropdown.focus()
openedDropdown = null;
}
}
function paramOptionClickHandler(param, optionKey, isSelectionAdditive = false, renderOnlyCharts = false) {
const isOptionAdditive = param.additiveOptions && param.additiveOptions.includes(optionKey);
const isMultiSelectOption = !param.noMultiSelectOptions || !param.noMultiSelectOptions.includes(optionKey);
let newChartConfig = db.cloneObject(chartSetConfig);
if (param.allowMultiSelection && isMultiSelectOption && (isSelectionAdditive || isOptionAdditive)) {
let values = newChartConfig[param.name].split(",");
let index = values.indexOf(optionKey);
if (index !== -1)
values.splice(index, 1);
else
values.push(optionKey);
let newValues = [];
for (const i in values) {
if (!param.noMultiSelectOptions || !param.noMultiSelectOptions.includes(values[i]))
newValues.push(values[i]);
}
newChartConfig[param.name] = newValues.join(",");
} else if (param.allowMultiSelection) {
let oldValues = newChartConfig[param.name].split(",");
let newValues = [];
for (const i in param.additiveOptions) {
if (oldValues.includes(param.additiveOptions[i]))
newValues.push(param.additiveOptions[i]);
}
if (param.defaultOption != optionKey || param.alwaysAddToUrl)
newValues.push(optionKey);
newChartConfig[param.name] = newValues.join(",");
} else
newChartConfig[param.name] = optionKey;
db.applyNewDefaultOptions(newChartConfig, chartSetConfig);
chartSetConfig = newChartConfig;
navigateToHash(db.encodeChartConfig(chartSetConfig), renderOnlyCharts);
// Focus the dropdown again
if (!renderOnlyCharts) {
const dropdown = document.getElementById(param.name);
if (dropdown) {
dropdown.focus();
closeDropdown();
}
}
}
function renderChart(chartIndex) {
const chartConfig = chartConfigs[chartIndex];
const params = db.getChartParams(chartConfig);
const chartData = db.queryChartData(chartConfig, sortByName, isSingleChart);
const chartDiv = document.createElement("DIV");
chartsDiv.appendChild(chartDiv);
chartDiv.dataChartIndex = chartIndex;
chartDiv.classList.add("chartTile");
if (isSingleChart)
chartDiv.classList.add("single");
renderChartTitle(chartDiv, chartConfig);
renderChartSubTitle(chartDiv, chartConfig);
if ((isSingleChart || chartConfig.view != params.view.defaultOption) && !isScreenshotModeEnabled)
renderChartTabButtons(chartDiv);
if (chartData.series.length == 0) {
const div = document.createElement("DIV");
chartDiv.appendChild(div);
div.appendChild(document.createTextNode("No data available"));
div.classList.add("noData");
} else {
if (isSingleChart && chartConfig.view != db.views.sources && !isScreenshotModeEnabled)
renderHints(chartDiv, chartConfig, chartData);
if ([db.views.barChart, db.views.lineChart].includes(chartConfig.view)) {
renderChartView(chartConfig, chartData, chartDiv, false);
if (isSingleChart && !isScreenshotModeEnabled)
addScreenshotModeButton(chartDiv);
} else if (chartConfig.view == db.views.table)
renderTable(chartConfig, chartDiv, chartData);
else if (chartConfig.view == db.views.sources)
renderSources(chartConfig, chartDiv, chartData);
}
if (isScreenshotModeEnabled) {
const div = document.createElement("DIV");
div.classList.add("sourceUrl");
let url = location.href;
if (url.startsWith("https://"))
url = url.substr(8);
div.appendChild(document.createTextNode("Source: " + url));
chartDiv.appendChild(div);
}
}
function renderChartTitle(chartDiv, chartConfig) {
let titleElem;
if (isSingleChart)
titleElem = document.createElement("DIV");
else {
titleElem = createLink(db.encodeChartConfig(chartConfig));
titleElem.title = "Show only this chart (bigger)";
}
chartDiv.appendChild(titleElem);
titleElem.classList.add("chartTitle");
const title = db.getChartTitle(chartConfig, isSingleChart);
if (db.isMultiCountry(chartConfig))
titleElem.appendChild(document.createTextNode(title));
else
titleElem.appendChild(createCountryFlagContainer(chartConfig.country, title));
if (!isSingleChart) {
let removeButton = createRemoveButton();
chartDiv.appendChild(removeButton);
removeButton.addEventListener("click", chartRemoveClick);
}
}
function renderChartSubTitle(chartDiv, chartConfig) {
const subTitle = db.getChartSubTitle(chartConfig, isScreenshotModeEnabled);
if (subTitle == "")
return;
let titleElem = document.createElement("DIV");
chartDiv.appendChild(titleElem);
titleElem.classList.add("chartSubTitle");
titleElem.appendChild(document.createTextNode(subTitle));
}
function renderChartTabButtons(chartDiv) {
const tabButtonsDiv = document.createElement("DIV");
chartDiv.appendChild(tabButtonsDiv);
tabButtonsDiv.classList.add("tabButtons");
const params = db.getChartParams(chartSetConfig);
const viewOptions = params.view.options;
for (const i in viewOptions)
renderChartTabButton(tabButtonsDiv, i, viewOptions[i]);
}
function renderHints(chartDiv, chartConfig, chartData) {
if (chartData.hints.length > 0) {
hintsDiv = document.createElement("DIV");
chartDiv.appendChild(hintsDiv);
hintsDiv.classList.add("hints");
if (chartData.hints.length == 1) {
hintsDiv.appendChild(document.createTextNode("Hint: "));
} else {
hintsDiv.appendChild(document.createTextNode("Hints: "));
hintsDiv.appendChild(document.createElement("BR"));
}
for (const i in chartData.hints) {
let span = document.createElement("SPAN");
span.innerHTML = chartData.hints[i];
hintsDiv.appendChild(span);
hintsDiv.appendChild(document.createElement("BR"));
}
// collapse hints
if (hintsDiv.offsetHeight > maxHintsHeight) {
// expand button
let expandHintsButton = createLink();
expandHintsButton.classList.add("expand");
expandHintsButton.appendChild(document.createElement("DIV"));
expandHintsButton.title = "Expand Hints";
expandHintsButton.addEventListener("click", function() {
event.preventDefault();
hintsDiv.style.maxHeight = "";
expandHintsButton.style.display = "none";
collapseHintsButton.style.display = "";
isHintsDivExpanded = true;
});
hintsDiv.appendChild(expandHintsButton);
// collapse button
let collapseHintsButton = createLink();
collapseHintsButton.classList.add("collapse");
collapseHintsButton.appendChild(document.createElement("DIV"));
collapseHintsButton.title = "Collapse Hints";
collapseHintsButton.addEventListener("click", function() {
event.preventDefault();
hintsDiv.style.maxHeight = maxHintsHeight + "px";
collapseHintsButton.style.display = "none";
expandHintsButton.style.display = "";
isHintsDivExpanded = false;
});
hintsDiv.appendChild(collapseHintsButton);
if (isHintsDivExpanded) {
expandHintsButton.style.display = "none";
} else {
collapseHintsButton.style.display = "none";
hintsDiv.style.maxHeight = maxHintsHeight + "px";
}
}
}
}
function renderChartTabButton(tabButtonsDiv, key, title) {
let element;
if (chartSetConfig.view == key) {
element = document.createElement("DIV");
} else {
let newChartConfig = db.cloneObject(chartSetConfig);
newChartConfig.view = key;
element = createLink(db.encodeChartConfig(newChartConfig));
}
tabButtonsDiv.appendChild(element);
element.appendChild(document.createTextNode(title));
}
function chartRemoveClick(event) {
event.preventDefault();
const params = db.getChartParams();
let currentParam;
for (const i in params) {
const param = params[i];
if (param.unfoldKey && chartSetConfig[param.name] == param.unfoldKey) {
currentParam = param;
break;
}
}
if (currentParam == null) {
for (const i in params) {
const param = params[i];
if (param.allowMultiSelection && chartSetConfig[param.name].includes(",")) {
currentParam = param;
break;
}
}
}
if (currentParam == null) // should never happen
return;
const chartDiv = event.target.parentNode;
const chartConfig = chartConfigs[chartDiv.dataChartIndex];
const valueToRemove = chartConfig[currentParam.name];
let newValues = [];
for (const i in chartConfigs) {
const chartConfig = chartConfigs[i];
const value = chartConfig[currentParam.name];
if (value != valueToRemove && !newValues.includes(value))
newValues.push(value);
}
chartSetConfig[currentParam.name] = newValues.join(",");
navigateToHash(db.encodeChartConfig(chartSetConfig));
}
function addShowAllChartsButton() {
const div = document.createElement("DIV");
chartsDiv.appendChild(div);
let button = createButton();
div.appendChild(button);
button.appendChild(document.createTextNode("Show All Charts"));
button.addEventListener("click", function(event) {
event.preventDefault();
isShowAllChartsEnabled = true;
renderPage();
});
}
function createLink(hash = "") {
const a = document.createElement("A");
a.href = "#" + hash;
return a;
}
function createButton() {
// Creates an A element which can be used as a button
let button = createLink();
button.classList.add("button");
return button;
}
function createRemoveButton() {
let removeButton = createButton();
removeButton.classList.add("removeButton");
removeButton.title = "Remove";
return removeButton;
}
function formatValue(chartConfig, value) {
if (db.isYAxisPercent(chartConfig)) {
if (chartConfig.view == db.views.table)
return value.toFixed(1).toLocaleString() + " %";
else
return (Math.round(value * 10) / 10).toLocaleString() + " %";
} else {
if (value != null)
return Math.round(value).toLocaleString();
else
return value;
}
}
function setGlobalChartOptions() {
const bodyStyle = window.getComputedStyle(document.body);
Chart.defaults.color = bodyStyle.color;
Chart.defaults.font.family = bodyStyle.fontFamily;
Chart.defaults.animation.duration = 0;
Chart.defaults.plugins.title.font.size = 20;
Chart.defaults.plugins.legend.position = "bottom";
Chart.defaults.plugins.legend.labels.boxWidth = 12;
Chart.defaults.plugins.legend.labels.usePointStyle = true;
Chart.defaults.plugins.legend.labels.pointStyle = "rect";
Chart.defaults.plugins.datalabels = {};
Chart.defaults.plugins.datalabels.color = "white";
Chart.defaults.elements.line.borderWidth = 3.5;
Chart.defaults.elements.line.tension = 0.2;
}
function renderChartView(chartConfig, chartData, chartDiv, isExport) {
let chartOptions = {
data: {
datasets: []
},
options: {
scales: {
x: {
grid: {
display: false
},
ticks: {
autoSkip: true,
autoSkipPadding: 0
}
},
y: {
beginAtZero: true,
ticks: {
precision: 0,
padding: 8,
callback: function(value) {
return formatValue(chartConfig, value);
}
},
grid: {
color: "rgba(0, 0, 0, 0.15)"
},
border: {
display: false
}
}
},
responsive: false,
plugins: {
title: {
display: isExport,
text: db.getChartTitle(chartConfig)
},
legend: {
display: chartData.series.length > 1 || chartData.series[0].name != "Value"
},
tooltip: {
callbacks: {
label: function(context) {
let label = context.dataset.label || '';
if (label)
label += ': ';
label += formatValue(chartConfig, context.parsed.y);
return label;
}
}
},
datalabels: {
display: false,
formatter: function(value) {
if (value === 0)
return "";
return formatValue(chartConfig, value);
}
}
}
},
plugins: [ChartDataLabels]
};
if (chartConfig.view == db.views.lineChart) {
chartOptions.type = "line";
} else {
chartOptions.type = "bar";
if (db.isBarChartStacked(chartConfig)) {
chartOptions.options.scales.x.stacked = true;
chartOptions.options.scales.y.stacked = true;
}
if (db.isYAxis100Percent(chartConfig)) {
chartOptions.options.scales.y.max = 100;
}
if (isSingleChart && window.innerWidth >= 1000) {
chartOptions.options.plugins.datalabels.display = "auto";
}
}
// Take over data series
const colors = getChartSeriesColors(chartConfig, chartData);
for (const i in chartData.series) {
const series = chartData.series[i];
let dataset = {};
dataset.label = db.formatSeriesNameAndCategory(series.name);
dataset.data = series.data;
if (chartConfig.view == db.views.lineChart) {
dataset.borderColor = colors[i];
dataset.pointBackgroundColor = colors[i];
if (series.name == db.totalSeriesName) {
dataset.hidden = true;
}
} else {
dataset.backgroundColor = colors[i];
}
chartOptions.data.datasets.push(dataset);
}
// Take over categories
chartOptions.data.labels = [];
for (const i in chartData.categories) {
chartOptions.data.labels.push(db.formatSeriesNameAndCategory(chartData.categories[i]));
}
const canvas = document.createElement("CANVAS");
setChartSize(canvas);
chartDiv.appendChild(canvas);
return new Chart(canvas.getContext('2d'), chartOptions);
}
function setChartSize(element) {
const heightRatio = 0.6;
const minWidth = 380;
const minHeight = 280;
const maxWidthMultiChart = 550;
let heightOffset;
if (isScreenshotModeEnabled) {
heightOffset = 150;
} else {
heightOffset = homeLink.parentNode.parentNode.offsetHeight + filtersDiv.offsetHeight + 78;
if (hintsDiv != null)
heightOffset += Math.min(hintsDiv.offsetHeight, maxHintsHeight) + 14;
}
let widthOffset;
if (isScreenshotModeEnabled)
widthOffset = 70;
else
widthOffset = 10;
let wantedWith = Math.min(window.innerWidth - widthOffset, (window.innerHeight - heightOffset) / heightRatio);
if (!isSingleChart) {
wantedWith = wantedWith / 2.33;
wantedWith = Math.min(wantedWith, maxWidthMultiChart);
}
if (isScreenshotModeEnabled)
wantedWith = Math.min(wantedWith, 1000);
const width = Math.max(wantedWith, minWidth);
const height = Math.max(width * heightRatio, minHeight);
element.style.width = width + "px";
element.style.height = height + "px";
}
function addScreenshotModeButton(parent) {
const button = createLink();
button.appendChild(document.createTextNode("Screenshot Mode"));
button.classList.add("export");
button.classList.add("screenshotModeButton");
button.addEventListener("click", function(event) {
event.preventDefault();
isScreenshotModeEnabled = true;
renderPage();
});
parent.appendChild(button);
}
function getChartSeriesColors(chartConfig, chartData) {
let result = [];
// assign static colors
let seriesIndexesWithDynamicColor = [];
for (const i in chartData.series) {
const seriesName = chartData.series[i].name;
if (seriesName == db.totalSeriesName || seriesName == "Other")
result.push("#000000");
else {
let colorIndex = colorIndexByCompanyGroup[seriesName];
if (colorIndex === undefined)
colorIndex = colorIndexByBrand[seriesName];
if (colorIndex === undefined)
seriesIndexesWithDynamicColor.push(parseInt(i));
result.push(colorSet[colorIndex]);
}
}
if (seriesIndexesWithDynamicColor.length == 0)
return result;
// assign dynamic colors
let dynamicColorSeriesIndex = 0;
for (const i in colorSet) {
const color = colorSet[i];
if (result.includes(color))
continue;
result[seriesIndexesWithDynamicColor[dynamicColorSeriesIndex]] = color;
dynamicColorSeriesIndex++;
if (dynamicColorSeriesIndex == seriesIndexesWithDynamicColor.length)
return result;
}
let colorIndex = 0;
while (dynamicColorSeriesIndex < seriesIndexesWithDynamicColor.length) {
result[seriesIndexesWithDynamicColor[dynamicColorSeriesIndex]] = colorSet[colorIndex % colorSet.length];
dynamicColorSeriesIndex++;
colorIndex++;
}
return result;
}
function renderTable(chartConfig, chartDiv, chartData) {
let horizontalBarMaxValue = 0;
if (chartData.series.length == 1 && chartData.categories.length > 1) {
for (const i in chartData.categories) {
horizontalBarMaxValue = Math.max(horizontalBarMaxValue, chartData.series[0].data[i]);
}
}
const showRankColumn = !db.isTimeXProperty(chartConfig);
const table = document.createElement("TABLE");
chartDiv.appendChild(table);
if (!showRankColumn && horizontalBarMaxValue == 0 && Object.keys(chartData.series).length >= 10 && chartData.categories.length < 10)
renderTableTransposed(chartConfig, table, chartData);
else
renderTableNormal(chartConfig, table, chartData, horizontalBarMaxValue, showRankColumn);
renderTableExportButton(chartDiv, table, "CSV");
renderTableExportButton(chartDiv, table, "Wikitext");
}
function renderTableExportButton(chartDiv, table, format) {
const containerDivId = "tableExportContainer";
const exportButton = createLink();
exportButton.appendChild(document.createTextNode(format));
exportButton.classList.add("export");
exportButton.title = "Export table as " + format;
exportButton.addEventListener("click", function(event) {
event.preventDefault();
let containerDiv = document.getElementById(containerDivId);
if (containerDiv != null)
chartDiv.removeChild(containerDiv);
if (currentExportFormat != format) {
containerDiv = document.createElement("DIV");
containerDiv.id = containerDivId;
const textarea = document.createElement("TEXTAREA");
containerDiv.appendChild(textarea);
const rows = table.childNodes;
if (format == "CSV")
textarea.value = generateCsv(rows);
else
textarea.value = generateWikitext(rows);
chartDiv.appendChild(containerDiv);
currentExportFormat = format;
}
});
chartDiv.appendChild(exportButton);
}
function generateCsv(rows) {
let result = "";
for (let i = 0; i < rows.length; i++) {
if (i > 0)
result += "\n";
const columns = rows[i].childNodes;
for (let j = 0; j < columns.length; j++) {
const cell = columns[j];
const content = cell.textContent;
if (content != "") {
if (j > 0)
result += ";";
if (!cell.classList.contains("NA")) {
if (cell.style.textAlign == "right")
result += content.replaceAll(",", "").replaceAll(".", "");
else
result += content;
}
}
}
}
return result;
}
function generateWikitext(rows) {
let result = "{| class=\"wikitable sortable\" style=\"text-align:right;\"\n";
for (let i = 0; i < rows.length; i++) {
result += "|-\n";
const columns = rows[i].childNodes;
for (let j = 0; j < columns.length; j++) {
const cell = columns[j];
const content = cell.textContent;
if (content != "") {
if (cell.tagName == "TH")
result += "! ";
else {
result += "| ";
if (cell.classList.contains("NA"))
result += "style=\"text-align:center;\" | ";
else if (cell.style.textAlign != "right")
result += "style=\"text-align:left;\" | ";
}
result += content;
result += "\n";
}
}
}
result += "|}";
return result;