lightbeam/data/ui.js

489 строки
14 KiB
JavaScript

(function (global) {
// Bunch of utilities related to UI elements.
const graphNodeRadius = {
"graph": 12
};
var g = global;
global.graphNodeRadius = graphNodeRadius;
/* Convert a NodeList to Array */
global.toArray = function toArray(nl) {
return Array.prototype.slice.call(nl, 0);
}
/**************************************************
* For accessibility:
* if the current focused element is an anchor, press Enter will mimic mouse click on that element
*/
document.addEventListener("keypress", function (event) {
var focusedElm = document.activeElement;
if (event.keyCode == "13" && focusedElm.mozMatchesSelector("a") && !focusedElm.getAttribute("href")) {
focusedElm.click();
}
});
/* Lightbeam Logo Click handler ====================== */
document.querySelector(".main header").addEventListener("click", function () {
location.reload();
});
/**************************************************
* Buttons
*/
function dropdownGroup(btnGroup, callback) {
callback = callback || function () {};
var allOptions = btnGroup.querySelectorAll(".dropdown_options a");
toArray(allOptions).forEach(function (option) {
option.addEventListener("click", function (e) {
btnGroup.querySelector("[data-selected]").removeAttribute("data-selected");
e.target.setAttribute("data-selected", true);
callback(e.target.getAttribute("data-value"));
});
});
}
/* Bind click event listener to each of the btn_group memebers */
var btnGroupArray = toArray(document.querySelectorAll(".btn_group"));
btnGroupArray.forEach(function (btnGroup) {
dropdownGroup(btnGroup, function (val) {
val = val.toLowerCase();
switch (val) {
case 'graph':
case 'list':
switchVisualization(val);
break;
case 'recent':
case 'last10sites':
case 'daily':
case 'weekly':
aggregate.switchFilter(val);
document.querySelector(".filter-display header").textContent = btnGroup.querySelector("[data-selected]").textContent;
break;
default:
console.log("selected val=" + val);
}
});
});
/* Share Data Toggle */
document.querySelector(".toggle-btn.share-btn").addEventListener("click",
function (event) {
var elmClicked = event.target;
if (elmClicked.mozMatchesSelector("input")) {
if (elmClicked.checked) {
confirmStartSharing(true, elmClicked);
} else {
confirmStopSharing(elmClicked);
}
}
});
global.confirmStartSharing = function confirmStartSharing(askForConfirmation, elmClicked) {
global.startSharing(askForConfirmation, function (confirmed) {
if (confirmed) {
toggleBtnOnEffect(document.querySelector(".share-btn"));
global.self.port.emit("prefChanged", {
"contributeData": true
});
} else {
elmClicked.checked = false;
}
});
}
global.confirmStopSharing = function confirmStopSharing(elmClicked) {
stopSharingDialog(function (confirmed) {
if (confirmed) {
toggleBtnOffEffect(document.querySelector(".share-btn"));
global.self.port.emit("prefChanged", {
"contributeData": false
});
} else {
elmClicked.checked = true;
}
});
}
function toggleBtnOnEffect(toggleBtn) {
toggleBtn.querySelector(".toggle-btn-innner").classList.add("checked");
toggleBtn.querySelector(".switch").classList.add("checked");
toggleBtn.querySelector(".on-off-text").classList.add("checked");
toggleBtn.querySelector(".on-off-text").textContent = "ON";
}
function toggleBtnOffEffect(toggleBtn) {
toggleBtn.querySelector(".toggle-btn-innner").classList.remove("checked");
toggleBtn.querySelector(".switch").classList.remove("checked");
toggleBtn.querySelector(".on-off-text").classList.remove("checked");
toggleBtn.querySelector(".on-off-text").textContent = "OFF";
}
function downloadAsJson(data, defaultFilename) {
var file = new Blob([data], {
type: 'application/json'
});
var reader = new FileReader();
var a = document.createElement('a');
reader.onloadend = function () {
a.href = reader.result;
a.download = defaultFilename;
a.target = '_blank';
document.body.appendChild(a);
a.click();
}
reader.readAsDataURL(file);
}
document.querySelector(".download").addEventListener('click', function (evt) {
// console.log('received export data');
downloadAsJson([JSON.stringify(allConnections)], 'lightbeamData.json');
evt.preventDefault();
// window.open('data:application/json,' + exportFormat(allConnections));
});
document.querySelector('.reset-data').addEventListener('click', function () {
confirmResetDataDialog(function (confirmed) {
if (confirmed) {
// currentVisualization.emit('remove');
allConnections = [];
global.self.port.emit('reset');
aggregate.emit('reset');
// WARNING: this is a race condition. Since the event emitters are
// async, we were running into the situation where the page was reloaded
// before aggregate::resetData was finished, resulting in #506
//
// TODO: using a short timeout for now, would be better to use a Promise
setTimeout(500, function () { location.reload(); /* reload page */ });
}
});
});
global.getZoom = function getZoom(canvas) {
try {
var box = canvas.getAttribute('viewBox')
.split(/\s/)
.map(function (i) {
return parseInt(i, 10);
});
return {
x: box[0],
y: box[1],
w: box[2],
h: box[3]
};
} catch (e) {
console.log('error in getZoom, called with %o instead of an element');
console.log('Caller: %o', caller);
}
}
global.setZoom = function setZoom(box, canvas) {
// TODO: code cleanup if both cases use basically the same code
canvas.setAttribute('viewBox', [box.x, box.y, box.w, box.h].join(' '));
}
/* Scroll over visualization to zoom in/out ========================= */
/* define viewBox limits
* graph view default viewBox = " 0 0 750 750 "
* map = " 0 0 2711.3 1196.7 "
*/
const graphZoomInLimit = {
w: 250,
h: 250
};
const graphZoomOutLimit = {
w: 4000,
h: 4000
};
const mapZoomInLimit = {
w: (2711.3 / 5),
h: (1196.7 / 5)
};
const mapZoomOutLimit = {
w: 2711.3,
h: 1196.7
};
const svgZoomingRatio = 1.1;
document.querySelector(".stage").addEventListener("wheel", function (event) {
if (event.target.mozMatchesSelector(".vizcanvas, .vizcanvas *") && g.currentVisualization.name != "list") {
if (g.currentVisualization.name == "graph") {
zoomWithinLimit(event.deltaY, vizcanvas, graphZoomInLimit, graphZoomOutLimit);
}
}
}, false);
// check to see if the viewBox of the targeting svg is within the limit we define
function checkWithinZoomLimit(targetSvg, zoomType, zoomLimit) {
var currentViewBox = getZoom(targetSvg);
if (zoomType == "in") {
var withinZoomInLimit = (currentViewBox.w > zoomLimit.w && currentViewBox.h > zoomLimit.h);
if (zoomLimit.x && zoomLimit.y) {
withinZoomInLimit =
withinZoomInLimit && (currentViewBox.x < zoomLimit.x && currentViewBox.y < zoomLimit.y);
}
return withinZoomInLimit;
} else {
var withinZoomOutLimit = (currentViewBox.w <= zoomLimit.w && currentViewBox.h <= zoomLimit.h);
return withinZoomOutLimit;
}
}
// Check to see if the viewBox of the targeting svg is within the limit we define
// if yes, zoom
function zoomWithinLimit(scrollDist, targetSvg, zoomInLimit, zoomOutLimit) {
if (scrollDist >= 1) { // scroll up to zoom out
for (var i = 1; i <= scrollDist; i++) {
if (checkWithinZoomLimit(targetSvg, "out", zoomOutLimit)) {
svgZooming(targetSvg, (1 / svgZoomingRatio));
}
}
}
if (scrollDist <= -1) { // scroll down to zoom in
for (var i = scrollDist; i <= -1; i++) {
if (checkWithinZoomLimit(targetSvg, "in", zoomInLimit)) {
svgZooming(targetSvg, svgZoomingRatio);
}
}
}
}
// Apply zoom level
function svgZooming(target, ratio) {
var box = getZoom(target);
var newViewBox = generateNewViewBox(target, box, ratio);
setZoom(newViewBox, target);
}
function generateNewViewBox(target, box, ratio) {
var oldWidth = box.w;
var newWidth = oldWidth / ratio;
var offsetX = (newWidth - oldWidth) / 2;
var oldHeight = box.h;
var newHeight = oldHeight / ratio;
var offsetY = (newHeight - oldHeight) / 2;
box.w = box.w / ratio;
box.h = box.h / ratio;
box.x = box.x - offsetX;
box.y = box.y - offsetY;
return box;
}
/* Pan by dragging ======================================== */
var onDragGraph = false;
var onDragMap = false;
var graphDragStart = {};
var mapDragStart = {};
/* vizcanvas */
document.querySelector(".stage").addEventListener("mousedown", function (event) {
if (event.target.mozMatchesSelector(".vizcanvas, .vizcanvas *") && !event.target.mozMatchesSelector(".node, .node *")) {
onDragGraph = true;
graphDragStart.x = event.clientX;
graphDragStart.y = event.clientY;
}
}, false);
document.querySelector(".stage").addEventListener("mousemove", function (event) {
if (event.target.mozMatchesSelector(".vizcanvas") && !event.target.mozMatchesSelector(".node, .node *") && onDragGraph) {
vizcanvas.style.cursor = "-moz-grab";
var offsetX = (Math.ceil(event.clientX) - graphDragStart.x);
var offsetY = (Math.ceil(event.clientY) - graphDragStart.y);
var box = getZoom(vizcanvas);
box.x -= (offsetX * box.w / 700);
box.y -= (offsetY * box.h / 700);
graphDragStart.x += offsetX;
graphDragStart.y += offsetY;
setZoom(box, vizcanvas);
}
}, false);
document.querySelector(".stage").addEventListener("mouseup", function (event) {
onDragGraph = false;
vizcanvas.style.cursor = "default";
}, false);
document.querySelector(".stage").addEventListener("mouseleave", function (event) {
onDragGraph = false;
vizcanvas.style.cursor = "default";
}, false);
/* Legend & Controls ===================================== */
global.toggleLegendSection = function toggleLegendSection(eventTarget, legendElm) {
var elmToToggle = legendElm.querySelector(".legend-controls");
if (elmToToggle.classList.contains("hidden")) {
elmToToggle.classList.remove("hidden");
eventTarget.textContent = "Hide";
} else {
elmToToggle.classList.add("hidden");
eventTarget.textContent = "Show";
}
}
global.toggleVizElements = function toggleVizElements(elements, classToggle) {
toArray(elements).forEach(function (elm) {
elm.classList.toggle(classToggle);
});
}
/* Glowing Effect for Graph/Clock & Highlighting Effect for List ============= */
global.selectedNodeEffect = function selectedNodeEffect(name) {
if (g.currentVisualization.name == "graph") {
resetAllGlow("all");
addGlow(name, "selected");
}
if (g.currentVisualization.name == "list") {
resetHighlightedRow();
}
}
global.connectedNodeEffect = function connectedNodeEffect(name) {
// console.log(name);
if (g.currentVisualization.name != "list") {
var glow = document.querySelector(".connected-glow");
while (glow) {
glow = document.querySelector(".connected-glow");
glow.parentNode.removeChild(glow);
}
addGlow(name, "connected");
} else {
resetHighlightedRow();
var row = document.querySelector(".list-table tr[data-name='" + name + "']");
if (row) {
row.classList.add("selected-connected-row");
}
}
}
// for Graph & Clock
global.addGlow = function addGlow(name, type) {
type = (type == "selected") ? "selected-glow" : "connected-glow";
var viz = g.currentVisualization.name;
var gNodes = document.querySelectorAll(".node[data-name='" + name + "']");
toArray(gNodes).forEach(function (gNode) {
var glowProps = calculateGlowSize(gNode, viz);
d3.select(gNode)
.insert('circle', ":first-child")
.attr('cx', glowProps.cx)
.attr('cy', glowProps.cy)
.attr('r', glowProps.radius)
.attr("fill", "url(#" + type + ")")
.classed(type, true);
});
}
global.calculateGlowSize = function calculateGlowSize(gNode, viz) {
var glowProps = {};
var siteNode = gNode.childNodes[0];
var shape = siteNode.nodeName.toLowerCase();
var radius = graphNodeRadius[g.currentVisualization.name];
if (viz == "graph") {
if (shape == "polygon") radius *= 2.2;
glowProps.radius = radius + 22;
} else {
glowProps.radius = radius * 4;
}
glowProps.cx = siteNode.getAttribute("cx") || 0;
glowProps.cy = siteNode.getAttribute("cy") || 0;
return glowProps;
}
// for Graph
global.resetAllGlow = function resetAllGlow(type) {
var selectedGlow;
var connectedGlow;
if (type == "selected" || type == "all") {
while (document.querySelector(".selected-glow")) {
selectedGlow = document.querySelector(".selected-glow");
selectedGlow.parentNode.removeChild(selectedGlow);
}
}
if (type == "connected" || type == "all") {
while (document.querySelector(".connected-glow")) {
connectedGlow = document.querySelector(".connected-glow");
connectedGlow.parentNode.removeChild(connectedGlow);
}
}
}
// for List
global.resetHighlightedRow = function resetHighlightedRow() {
var preHighlighted = document.querySelector(".list-table .selected-connected-row");
if (preHighlighted) {
preHighlighted.classList.remove("selected-connected-row");
}
}
/**************************************************
* Singular / Plural Noun
*/
global.singularOrPluralNoun = function singularOrPluralNoun(num, str) {
if (typeof num != "number") {
num = parseFloat(num);
}
return (num > 1) ? str + "s" : str;
}
function updateUIFromPrefs(event) {
if ("contributeData" in event && event["contributeData"]) {
var toggleBtn = document.querySelector(".share-btn");
if (event["contributeData"]) {
toggleBtn.querySelector("input").checked = true;
toggleBtnOnEffect(toggleBtn);
} else {
toggleBtn.querySelector("input").checked = false;
toggleBtnOffEffect(toggleBtn);
}
}
if ("defaultVisualization" in event) {
global.currentVisualization = visualizations[event["defaultVisualization"]];
if (global.currentVisualization) {
console.debug("Got viz");
} else {
console.error("NO viz");
}
}
if ("defaultFilter" in event) {
aggregate.currentFilter = event["defaultFilter"];
document.querySelector('a[data-value=' + aggregate.currentFilter + ']')
.dataset.selected = true;
document.querySelector(".filter-display header").textContent =
document.querySelector(".btn_group.session")
.querySelector("[data-selected]").textContent;
}
}
// Exports
global.updateUIFromPrefs = updateUIFromPrefs;
})(this);