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authoring.js
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//IE11 polyfills ->
if (!String.prototype.endsWith) {
String.prototype.endsWith = function(search, this_len) {
if (this_len === undefined || this_len > this.length) {
this_len = this.length;
}
return this.substring(this_len - search.length, this_len) === search;
};
}
if (!String.prototype.startsWith) {
String.prototype.startsWith = function(searchString, position) {
position = position || 0;
return this.indexOf(searchString, position) === position;
};
}
// <- IE11 polyfills
// injection templates ->
const EASING_DEFINITIONS = `//Easing functions
const c1 = 1.70158;
const c2 = c1 * 1.525;
const c3 = c1 + 1;
const c4 = (2 * Math.PI) / 3;
const c5 = (2 * Math.PI) / 4.5;
const n1 = 7.5625;
const d1 = 2.75;
const ease = {
InSin: function(x) {return 1 - Math.cos((x * Math.PI) / 2)},
OutSin: function(x){return Math.sin((x * Math.PI) / 2)},
InOutSin: function(x){return -(Math.cos(Math.PI * x) - 1) / 2},
InQuad : function(x){return x*x},
OutQuad : function(x){return 1 - (1 - x) * (1 - x)},
InOutQuad : function(x){return x < 0.5 ? 2 * x * x : 1 - Math.pow(-2 * x + 2, 2) / 2},
InCubic : function(x){return x*x*x},
OutCubic : function(x){return 1 - Math.pow(1 - x, 3)},
InOutCubic : function(x){return x < 0.5 ? 4 * x * x * x : 1 - Math.pow(-2 * x + 2, 3) / 2},
InQuart : function(x){return x*x*x*x},
OutQuart : function(x){return 1 - Math.pow(1 - x, 4)},
InOutQuart : function(x){return x < 0.5 ? 8 * x * x * x * x : 1 - Math.pow(-2 * x + 2, 4) / 2},
InQuint : function(x){return x*x*x*x*x},
OutQuint : function(x){return 1 - Math.pow(1 - x, 5)},
InOutQuint : function(x){return x < 0.5 ? 16 * x * x * x * x * x : 1 - Math.pow(-2 * x + 2, 5) / 2},
InExpo : function(x){return x == 0 ? 0 : Math.pow(2, 10 * x - 10)},
OutExpo : function(x){return x == 1 ? 1 : 1 - Math.pow(2, -10 * x)},
InOutExpo : function(x){ if( x == 0) return 0;
else if (x == 1) return 1;
else if (x < 0.5) return Math.pow(2, 20 * x - 10) / 2;
else return (2 - Math.pow(2, -20 * x + 10)) / 2;
},
InCirc : function(x){return 1 - Math.sqrt(1 - Math.pow(x, 2))},
OutCirc : function(x){return Math.sqrt(1 - Math.pow(x - 1, 2))},
InOutCirc : function(x){ if (x < 0.5) return (1 - Math.sqrt(1 - Math.pow(2 * x, 2))) / 2;
else return (Math.sqrt(1 - Math.pow(-2 * x + 2, 2)) + 1) / 2;
},
InBack : function(x){ return c3 * x * x * x - c1 * x * x;},
OutBack : function(x){ return 1 + c3 * Math.pow(x - 1, 3) + c1 * Math.pow(x - 1, 2);},
InOutBack : function(x){ if( x < 0.5) return (Math.pow(2 * x, 2) * ((c2 + 1) * 2 * x - c2)) / 2;
else return (Math.pow(2 * x - 2, 2) * ((c2 + 1) * (x * 2 - 2) + c2) + 2) / 2;
},
InElastic : function(x){ if (x == 0) return 0;
else if (x == 1) return 1;
else return -Math.pow(2, 10 * x - 10) * Math.sin((x * 10 - 10.75) * c4);
},
OutElastic : function(x){ if (x == 0) return 0;
else if ( x == 1) return 1;
else return Math.pow(2, -10 * x) * Math.sin((x * 10 - 0.75) * c4) + 1;
},
InOutElastic : function(x){if (x == 0) return 0;
else if ( x == 1) return 1;
else if (x < 0.5) return -(Math.pow(2, 20 * x - 10) * Math.sin((20 * x - 11.125) * c5)) / 2
else return (Math.pow(2, -20 * x + 10) * Math.sin((20 * x - 11.125) * c5)) / 2 + 1;
},
InBounce : function(x){return 1 - ease.easeOutBounce(1 - x)},
OutBounce : function(x){ if (x < 1 / d1) return n1 * x * x;
else if (x < 2 / d1) return n1 * (x -= 1.5 / d1) * x + 0.75;
else if (x < 2.5 / d1) return n1 * (x -= 2.25 / d1) * x + 0.9375;
else return n1 * (x -= 2.625 / d1) * x + 0.984375;
},
InOutBounce : function(x){ if( x < 0.5) return (1 - ease.easeOutBounce(1 - 2 * x)) / 2;
else return (1 + ease.easeOutBounce(2 * x - 1)) / 2;
},
Linear : function(x){return x},
}
`;
const POP_OPTIONS = `if( effectDict["effect"] == "pop")
{
// for pop effect add object position and size to options
const bbox = newGroup.getBBox();
const options = effectDict["options"];
options["x"] = bbox.x;
options["y"] = bbox.y;
options["width"] = bbox.width;
options["height"] = bbox.height;
}
`;
// insert before this
const POP_OPTIONS_POS = `if (!tempEffects[dict[`;
const VIEW_FUNC_START = `/** The view effect.`;
const FADE_FUNC_START = `/** The fade effect.`;
const POP_FUNC_START = `/** The pop effect.`;
const FUNC_END = `return false;\n}`
const VIEW_FUNCTION = `/** The view effect.
*
* @param dir direction the effect should be played (1 = forwards, -1 = backwards)
* @param element the element the effect should be applied to
* @param time the time that has elapsed since the beginning of the effect
* @param options a dictionary with additional options (e.g. length of the effect); for the view effect the options need to contain the old and the new matrix.
*/
function view(dir, element, time, options)
{
var length = 250;
var easing = ease.Linear;
var fraction;
var stop = false;
if (!options["matrixInitial"])
{
var tempString = slides[activeSlide]["viewGroup"].getAttribute("transform");
if (tempString)
options["matrixInitial"] = (new matrixSVG()).fromAttribute(tempString);
else
options["matrixInitial"] = (new matrixSVG()).fromSVGElements(1, 0, 0, 1, 0, 0);
}
if ((time == STATE_END) || (time == STATE_START))
{
fraction = 1;
stop = true;
}
else
{
if (options)
{
if (options["length"]) length = options["length"];
if (options["easing"])
{
easeFunc = ease[options["easing"]];
if( easeFunc) easing = easeFunc;
}
}
if( dir == 1)
{
fraction = easing(time/length);
}
else
{
fraction = 1 - easing((length - time) / length);
}
stop = (time >= length);
}
if (dir == 1)
{
if(stop)
{
element.setAttribute("transform", options["matrixNew"].toAttribute());
set_path_paint_width();
options["matrixInitial"] = null;
return true;
}
else
{
element.setAttribute("transform", options["matrixInitial"].mix(options["matrixNew"], fraction).toAttribute());
}
}
else if (dir == -1)
{
if(stop) {
element.setAttribute("transform", options["matrixOld"].toAttribute());
set_path_paint_width();
options["matrixInitial"] = null;
return true;
}
else
{
element.setAttribute("transform", options["matrixInitial"].mix(options["matrixOld"], fraction).toAttribute());
}
}
return false;
}
`
const FADE_FUNCTION = `/** The fade effect.
*
* @param dir direction the effect should be played (1 = forwards, -1 = backwards)
* @param element the element the effect should be applied to
* @param time the time that has elapsed since the beginning of the effect
* @param options a dictionary with additional options (e.g. length of the effect)
*/
function fade(dir, element, time, options)
{
var length = 250;
var easing = ease.Linear;
var fraction;
var stop = false;
if ((time == STATE_END) || (time == STATE_START))
{
fraction = 1;
stop = true;
}
else
{
if (options)
{
if (options["length"]) length = options["length"];
if (options["easing"])
{
easeFunc = ease[options["easing"]];
if( easeFunc) easing = easeFunc;
}
}
if( dir == 1)
{
fraction = easing(time/length);
}
else
{
fraction = easing((length - time) / length);
}
if( fraction < 0) fraction = 0;
else if (fraction > 1) fraction = 1;
stop = (time >= length);
}
if (dir == 1)
{
if(stop)
{
element.style.display = "inherit";
element.setAttribute("opacity", 1);
return true;
}
else {
element.style.display = "inherit";
element.setAttribute("opacity", fraction);
}
}
else if (dir == -1)
{
if(stop)
{
element.setAttribute("opacity", 0);
element.style.display = "none";
return true;
}
else
{
element.style.display = "inherit";
element.setAttribute("opacity", fraction);
}
}
return false;
}
`
const POP_FUNCTION = `/** The pop effect.
*
* @param dir direction the effect should be played (1 = forwards, -1 = backwards)
* @param element the element the effect should be applied to
* @param time the time that has elapsed since the beginning of the effect
* @param options a dictionary with additional options (e.g. length of the effect)
*/
function pop(dir, element, time, options)
{
var length = 500;
var easing = ease.Linear;
var fraction;
var stop = false;
var x = 0;
var y = 0;
var width = WIDTH;
var height = HEIGHT;
if ((time == STATE_END) || (time == STATE_START))
{
fraction = 1;
stop = true;
}
else
{
if (options)
{
if(options["length"]) length = options["length"];
if(options["x"]) x = options["x"];
if(options["y"]) y = options["y"];
if(options["width"]) width = options["width"];
if(options["height"]) height = options["height"];
if (options["easing"])
{
easeFunc = ease[options["easing"]];
if( easeFunc) easing = easeFunc;
}
}
if( dir == 1)
{
fraction = easing(time/length);
}
else
{
fraction = easing((length - time) / length);
}
if( fraction < 0 ) fraction = 0;
stop = (time >= length);
}
if (dir == 1)
{
if(stop)
{
element.setAttribute("opacity", 1);
element.removeAttribute("transform");
element.style.display = "inherit";
return true;
}
else
{
element.style.display = "inherit";
var opacityFraction = fraction * 3;
if (opacityFraction > 1) opacityFraction = 1;
element.setAttribute("opacity", opacityFraction);
const counterfrac = 1.0 - fraction;
const offsetX = x * counterfrac + width * counterfrac / 2.0;
const offsetY = y * counterfrac + height * counterfrac / 2.0;
element.setAttribute("transform", "translate(" + offsetX + "," + offsetY + ") scale(" + fraction + ")");
}
}
else if (dir == -1)
{
if (stop)
{
element.setAttribute("opacity", 0);
element.removeAttribute("transform");
element.style.display = "none";
return true;
}
else
{
element.style.display = "inherit";
element.setAttribute("opacity", fraction);
const counterfrac = 1.0 - fraction;
const offsetX = x * counterfrac + width * counterfrac / 2.0;
const offsetY = y * counterfrac + height * counterfrac / 2.0;
element.setAttribute("transform", "translate(" + offsetX + "," + offsetY + ") scale(" + fraction + ")");
}
}
return false;
}
`
const VERSION_PHRASE = 'modified by cutroom version: ';
const VERSION_START = '<svg';
// <- injection templates
/** current Version of cutroom.
* for future use. Since cutroom started to modify js code it is neccessary
* to identify presentations, that are already updated by cutroom.
* If more changes going to happen, there must be some version indicating what already has been modified.
*/
const VERSION = '1.0';
function downloadFile(filename, content) {
if (navigator.msSaveBlob)
navigator.msSaveBlob(
new Blob([content], { type: "text/csv;charset=utf-8;" }),
filename
);
else {
var element = document.createElement("a");
element.setAttribute(
"href",
"data:text/plain;charset=utf-8," + encodeURIComponent(content)
);
element.setAttribute("download", filename);
element.style.display = "none";
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
}
var helpVisible = false;
document.getElementById("helpButton").addEventListener("click", function(e){
setHelpVisible(!helpVisible);
e.stopPropagation();
});
function setHelpVisible(visible){
if(visible != helpVisible){
helpVisible = visible;
const helpContainer = document.querySelectorAll(".hasHelp");
for(var i = 0; i< helpContainer.length;i++){
helpContainer[i].classList.toggle("showHelp");
}
document.getElementById("helpButton").classList.toggle("active");
}
}
document.getElementById("download").addEventListener("click", download);
function download() {
// discard while help is shown
if(helpVisible) return;
const serializer = new XMLSerializer();
const content = serializer.serializeToString(downloadDoc);
downloadFile(fileName, content);
}
function frameChanged(){
// hash changed, get the url and sync to selection
const previewWindow = importDoc.defaultView;
const hash = previewWindow.location.hash;
const split = hash.indexOf("_");
const l = hash.substring(1,split);
const s = hash.substring(split+1, hash.length);
updateSelection(l,s);
}
function updatePreview(){
const viewWindow = importDoc.defaultView;
viewWindow.location.hash = currentLayer.index+"_"+currentOrder.index;
viewWindow.jessyInkInitialised=false;
viewWindow.jessyInkInit();
//previewReload (currentLayer.index, currentOrder.index);
/*
const oldUrl = url;
const content = new XMLSerializer().serializeToString(importDoc);
blob = new Blob([content], { type: "image/svg+xml" });
url = URL.createObjectURL(blob)+ '#' + currentLayer.index + '_' + currentOrder.index;
const viewer = document.getElementById("viewer");
viewer.src = url;
if(oldUrl) URL.revokeObjectURL(oldUrl);
*/
}
function logError(error) {
console.log(error); // also add in error log later
}
function isBeforeElement(elem1, elem2){
var e = elem1;
do {
if( e.nextElementSibling == elem2) return true;
e = e.nextElementSibling;
} while (e != null)
return false;
}
function findClass(parentClass, element){
var e = element;
while(e!= null){
if(e.classList.contains(parentClass))return e;
e = e.parentElement;
}
return null;
}
function initDragAndDrop(){
var current = null;
var parentOrder = null; //draggedOrder
var dragTarget = null;
var dragType = "nothing";
var lastDropTarget = null;
function getDragType(target){
if(target.classList.contains("order")){
return "order";
} else if (target.classList.contains("part")) {
if(target.classList.contains("view")) return "view"
else return "effect";
}
return "nothing";
}
document.addEventListener("dragstart", function( event ) {
dragType = getDragType(event.target);
if( dragType){
current = event.target;
current.classList.add("dragged");
parentOrder = findClass("order", current);
lastDropTarget = parentOrder;
}
}, false);
document.addEventListener("dragend", function( event ) {
//document.getElementById("expander").classList.remove("onTween");
if( current) {
current.classList.remove("dragged");
current = null;
parentOrder = null;
if(dragTarget) dragTarget.classList.remove("dragover");
dragTarget = null;
dragType = "nothing";
lastDropTarget = null;
}
}, false);
document.addEventListener("dragover", function( event ) {
if( current) {
event.preventDefault();
}
}, false);
document.addEventListener("dragenter", function( event ) {
dragTarget = null;
if(event.target.classList.contains ("tween")){
event.target.classList.add("dragover");
//if(isBeforeElement(event.target, lastDropTarget)) document.getElementById("expander").classList.add("onTween");
dragTarget = event.target;
} else if(dragType != "order"){
var order = findClass("order", event.target)
if( order && order != parentOrder){
if( dragType == "view"){
// check, if already has a view
if( order.getElementsByClassName("view").length > 0)return;
} else {
const model = layers[currentLayer.id];
if (Object.keys(model[order.modelIndex]).includes(current.modelId)) return; //has an effect with same id
}
order.classList.add("dragover");
dragTarget = order;
}
}
}, false);
document.addEventListener("dragleave", function( event ) {
if(event.target.classList.contains ("tween")){
event.target.classList.remove("dragover");
lastDropTarget = event.target;
//document.getElementById("expander").classList.remove("onTween");
} else {
var order = findClass("order", event.target)
lastDropTarget = order;
if( order && order != parentOrder && order != dragTarget){
order.classList.remove("dragover");
}
}
}, false);
function arraymove(arr, fromIndex, toIndex) {
var element = arr[fromIndex];
arr.splice(fromIndex, 1);
arr.splice(toIndex, 0, element);
}
document.addEventListener("drop", function( event ) {
//document.getElementById("expander").classList.remove("onTween");
const model = layers[currentLayer.id];
function moveModelOrder(from, to){
if( to < from ){
arraymove(model, from, to);
return to;
} else if (to > from +1){
arraymove(model, from, to-1);
return to-1;
} else return from;
}
function moveSteptoNewModelOrder(to, from, stepId){
const step = model[from][stepId];
delete model[from][stepId];
const order = {};
order[stepId] = step;
model.splice(to,0,order);
return to;
}
function moveStepToModelOrder(from, to, stepId){
const step = model[from][stepId];
delete model[from][stepId];
model[to][stepId] = step;
if(Object.keys(model[from]).length == 0){
model.splice(from,1);
return (to > from) ? to-1 : to;
} else return to;
}
if( current) {
event.preventDefault();
if( dragTarget){
newSelectionIndex = 0;
if( dragTarget.classList.contains("tween")){
// move to new position
if(dragType == "order"){
newSelectionIndex = moveModelOrder(current.modelIndex, dragTarget.modelIndex);
if(newSelectionIndex == current.modelIndex) return;
} else { //step dragged
if(Object.keys(model[current.modelIndex]).length == 1) {
//only one element, so also just move order
newSelectionIndex = moveModelOrder(current.modelIndex, dragTarget.modelIndex);
if(newSelectionIndex == current.modelIndex) return;
} else {
newSelectionIndex = moveSteptoNewModelOrder(dragTarget.modelIndex, current.modelIndex, current.modelId);
}
}
} else { // dragtarget is an order
newSelectionIndex = moveStepToModelOrder(current.modelIndex, dragTarget.modelIndex, current.modelId);
}
layers[currentLayer.id] = reorderModel(model);
updateModelView();
selectOrder( getOrderAtStep(newSelectionIndex));
updateDoc();
updatePreview();
} else console.log ("no drag target")
}
}, false);
}
initDragAndDrop();
//for highlighting
var partCache = {};
function highlight(id){
const effectElement = importDoc.getElementById(id);
if( effectElement){
partCache.view = effectElement.parentElement;
partCache.opacity = partCache.view.getAttribute("opacity");
partCache.style = partCache.view.getAttribute("style");
partCache.view.setAttribute("opacity", "0.5");
partCache.view.setAttribute("style", "display:inherit;");
}
}
function removeHighlight(){
if(partCache.view){
partCache.view.setAttribute("opacity", partCache.opacity);
partCache.view.setAttribute("style", partCache.style);
partCache = {};
}
}
var selectedPart = null;
var selectedPartView = null;
function selectPart(part, partView){
deselectPart();
if(partView != null && part != null){
partView.classList.add("selected");
if(part.easing == null)part.easing = "Linear";
setOptionBarValues(part.length, part.name, part.easing, (part.type != "view"))
selectedPart = part;
selectedPartView = partView;
}
}
function deselectPart(){
if(selectedPartView != null) {
selectedPartView.classList.remove("selected");
}
selectedPart = null;
selectedPartView = null;
}
function setSelectedPartTime(time){
if(selectedPart && selectedPart.length != time){
selectedPart.length = time;
updateDocAttributes(selectedPart);
updatePreview();
}
}
function setSelectedPartStyle(style) {
if(selectedPart && selectedPart.name != style){
selectedPart.name = style;
updateDocAttributes(selectedPart);
updatePreview();
}
}
function setSelectedPartEasing(easing){
if(selectedPart && selectedPart.easing != easing){
selectedPart.easing = easing;
updateDocAttributes(selectedPart);
updatePreview();
}
}
function updateModelView(){
const view = document.getElementById("model");
view.replaceChildren(); //clear View
function createPartView(part, modelIndex){
const partView = document.getElementById("template"+part.type).cloneNode(true); //true for deep clone
partView.draggable="true";
partView.removeAttribute("id");
const label = (part.label ? part.label : part.id);
const labelCont = partView.querySelector(".label");
labelCont.textContent = label;
// partView.appendChild(document.createTextNode(part.type + " " + label));
partView.modelIndex = modelIndex;
partView.modelId = part.id;
if(part.type != "view"){
partView.addEventListener("mouseover", function(e){
const p = findClass("part", e.target);
if(p != partCache.part){
partCache.part = p;
const id = p.modelId + "_" + (currentLayer.index-1);
highlight(id);
}
});
partView.addEventListener("mouseout", function(e){
const p = findClass("part", e.target);
if(!p.contains(e.relatedTarget)){
removeHighlight();
}
});
}
partView.addEventListener("click", function(e){
selectPart(part, partView);
});
return partView;
}
function createStepView(step, index){
const entry = document.createElement("ul");
entry.classList.add("step");
const orderNo = document.createElement("li");
orderNo.classList.add("orderNo");
orderNo.appendChild(document.createTextNode(index));
entry.appendChild(orderNo);
for (var key in step) {
if (step.hasOwnProperty(key)) {
const part = step[key];
entry.appendChild(createPartView(part, index));
}
}
return entry;
}
function createOrderView(index){
const order = document.createElement("li");
order.setAttribute("id", "order_"+index);
order.classList.add("order");
order.draggable = true;
order.modelIndex = index;
order.addEventListener("click", orderClicked);
return order;
}
function createTween(index){
const tween = document.createElement("li");
tween.classList.add("tween");
tween.modelIndex = index;
return tween;
}
view.appendChild(createTween(0));
const model = layers[currentLayer.id];
model.forEach(function(val, index){
const order = createOrderView(index);
order.appendChild(createStepView(val, index));
view.appendChild(order);
view.appendChild(createTween(index+1));
});
currentOrder = {};
}
var layers = {};
// the actual document of the preview
var importDoc;
// a clean shaddow document for download
// without any dom manipulations the jessyink script will do within the preview windows
var downloadDoc;
// the name of the currently loaded file
var fileName;
/**
* update doc according to model changes
*/
function stepToAtrValue(step){
return "name:"+step.name+";order:" + step.order + ";length:" + step.length + ";easing:" + step.easing;
}
function stepToAtrKey(step){
return "ns1:" + step.type;
}
function updateDocAttributes(step){
const val = stepToAtrValue(step);
const key = stepToAtrKey(step);
//update the preview document and the shaddow doc for download
const previewElement = importDoc.getElementById(step.id);
const downloadElement = downloadDoc.getElementById(step.id);
previewElement.setAttribute(key, val);
downloadElement.setAttribute(key, val);
}
function updateDoc(){
// old method
// const layer = importDoc.querySelector('[id= "' + currentLayer.id + '"]');
const model = layers[currentLayer.id];
const orders = model.keys();
for (const order of orders) {
var steps = Object.keys(model[order]);
for( const stepId of steps){
const step = model[order][stepId];
/* old method
const selector = '[id= "' + stepId + '"]';
const element = layer.querySelectorAll(selector)[0];
*/
updateDocAttributes(step);
}
}
}
function reorderModel(model){
const keys = model.keys();
const newModel = [];
var i = 0;
for (const key of keys) {
if(model[key]){
newModel[i] = model[key];
const stepKeys = Object.keys(newModel[i]);
for (const stepKey of stepKeys) newModel[i][stepKey]['order'] = i;
i++;
}
}
return newModel;
}
function getLayerByIndex(index){
const layers = document.getElementById("layers").childNodes;
for(l in layers){
if(layers[l].modelIndex == index) return layers[l];
}
return null;
}
//on frame change in preview set layer and step as index
function updateSelection(layer, step){
if(currentLayer.index != layer) {
deselectPart();
const newLayer = getLayerByIndex(layer);
if(selectLayer(newLayer) || currentOrder.index != step) {
selectOrder(getOrderAtStep(step));
}
} else if(currentOrder.index != step) {
//set new step only
selectOrder( getOrderAtStep(step));
}
}
function getOrderAtStep(step){
return document.getElementById("order_" + step);
}
//scroll to visible, if necessary
// dir = "start" or "end"
function scrollToVisible(elem){
const bcr = elem.getBoundingClientRect();
const ptop = elem.parentElement.getBoundingClientRect().top;
if(bcr.bottom - ptop > elem.parentElement.offsetHeight) {
elem.scrollIntoView({behavior:"smooth", block: "end"});
} else if (bcr.top - ptop < 0 ){
elem.scrollIntoView({behavior:"smooth", block:"start"});
}
}
function getViewForPart(part, orderElem){
const parts = orderElem.querySelectorAll(".part");
var result = null;
parts.forEach( function(p){
if(p.modelId == part.id){
result = p;
return;
}
});
return result;
}
var currentOrder = {}; //id, index
function selectOrder(orderElem){
const newId = orderElem.getAttribute("id");
if(newId != currentOrder.id){
orderElem.classList.add("selected");
if(currentOrder.id)document.getElementById(currentOrder.id).classList.remove("selected");
scrollToVisible(orderElem);
currentOrder.id = newId;
currentOrder.index = orderElem.modelIndex;
if(!selectedPart || selectedPart.order != currentOrder.index){
// select first part in order
const order = layers[currentLayer.id][currentOrder.index];
const aPart = Object.values(order)[0];
selectPart(aPart, getViewForPart(aPart, orderElem));
}
return true;
} else return false;
}
function selectOrderAndUpdatePreview(orderElem){
if(selectOrder(orderElem)){
removeHighlight();
previewJumpToSlide(currentLayer.index, orderElem.modelIndex);
}
}
//on click on element
function orderClicked(e){
const order = findClass("order", e.target);
selectOrderAndUpdatePreview(order);
e.stopPropagation();
}
var currentLayer = {}; //id, index
function selectLayer(layerElem){
const newId = layerElem.getAttribute("id");
if(newId != currentLayer.id){
const newIndex = layerElem.modelIndex;
document.getElementById(currentLayer.id).classList.remove("selected");
layerElem.classList.add("selected");
currentLayer.id = newId;
currentLayer.index = newIndex;
updateModelView();
return true;
} else return false;
}
function focusModel(){
document.getElementById("model").focus();
}
//on click on layer
function layerClicked(e){
if(selectLayer(e.target)){
deselectPart();
previewJumpToSlide(currentLayer.index, 0);
focusModel();
}
}
function jumpToPreviousStep(){
if(currentOrder.index > 0){
selectOrderAndUpdatePreview(getOrderAtStep(currentOrder.index - 1));
return true;