Files
three.js/examples/js/gui/gui.full.js
T

1051 lines
25 KiB
JavaScript

var GUI = function() {
var _this = this;
var MIN_WIDTH = 240;
var MAX_WIDTH = 500;
var controllers = [];
var listening = [];
var autoListen = true;
var listenInterval;
// Sum total of heights of controllers in this gui
var controllerHeight;
var curControllerContainerHeight = 0;
var _this = this;
var open = false;
var width = 280;
// Prevents checkForOverflow bug in which loaded gui appearance
// settings are not respected by presence of scrollbar.
var explicitOpenHeight = false;
// How big we get when we open
var openHeight;
var name;
var resizeTo = 0;
var resizeTimeout;
this.domElement = document.createElement('div');
this.domElement.setAttribute('class', 'guidat');
this.domElement.style.width = width+'px';
var controllerContainer = document.createElement('div');
controllerContainer.setAttribute('class', 'guidat-controllers');
// Firefox hack to prevent horizontal scrolling
controllerContainer.addEventListener('DOMMouseScroll', function(e) {
var scrollAmount = this.scrollTop;
if (e.wheelDelta) {
scrollAmount+=e.wheelDelta;
} else if (e.detail) {
scrollAmount+=e.detail;
}
if (e.preventDefault) {
e.preventDefault();
}
e.returnValue = false;
controllerContainer.scrollTop = scrollAmount;
}, false);
controllerContainer.style.height = '0px';
var toggleButton = document.createElement('a');
toggleButton.setAttribute('class', 'guidat-toggle');
toggleButton.setAttribute('href', '#');
toggleButton.innerHTML = "Show Controls";
var toggleDragged = false;
var dragDisplacementY = 0;
var togglePressed = false;
var my, pmy, mx, pmx;
var resize = function(e) {
pmy = my;
pmx = mx;
my = e.pageY;
mx = e.pageX;
var dmy = my - pmy;
if (!open) {
if (dmy > 0) {
open = true;
curControllerContainerHeight = openHeight = 1;
toggleButton.innerHTML = name || "Hide Controls";
} else {
return;
}
}
// TODO: Flip this if you want to resize to the left.
var dmx = pmx - mx;
if (dmy > 0 &&
curControllerContainerHeight > controllerHeight) {
var d = GUI.map(curControllerContainerHeight, controllerHeight, controllerHeight + 100, 1, 0);
dmy *= d;
}
toggleDragged = true;
dragDisplacementY += dmy;
dragDisplacementX += dmx;
openHeight += dmy;
width += dmx;
curControllerContainerHeight += dmy;
controllerContainer.style.height = openHeight+'px';
width = GUI.constrain(width, MIN_WIDTH, MAX_WIDTH);
_this.domElement.style.width = width+'px';
checkForOverflow();
};
toggleButton.addEventListener('mousedown', function(e) {
pmy = my = e.pageY;
pmx = mx = e.pageX;
togglePressed = true;
e.preventDefault();
dragDisplacementY = 0;
dragDisplacementX = 0;
document.addEventListener('mousemove', resize, false);
return false;
}, false);
toggleButton.addEventListener('click', function(e) {
e.preventDefault();
return false;
}, false);
document.addEventListener('mouseup', function(e) {
if (togglePressed && !toggleDragged) {
_this.toggle();
// Clears lingering slider column
_this.domElement.style.width = (width+1)+'px';
setTimeout(function() {
_this.domElement.style.width = width+'px';
}, 1);
}
if (togglePressed && toggleDragged) {
if (dragDisplacementX == 0) {
// Clears lingering slider column
_this.domElement.style.width = (width+1)+'px';
setTimeout(function() {
_this.domElement.style.width = width+'px';
}, 1);
}
if (openHeight > controllerHeight) {
clearTimeout(resizeTimeout);
openHeight = resizeTo = controllerHeight;
beginResize();
} else if (controllerContainer.children.length >= 1) {
var singleControllerHeight = controllerContainer.children[0].offsetHeight;
clearTimeout(resizeTimeout);
var target = Math.round(curControllerContainerHeight/singleControllerHeight)*singleControllerHeight-1;
resizeTo = target;
if (resizeTo <= 0) {
_this.hide();
openHeight = singleControllerHeight*2;
} else {
openHeight = resizeTo;
beginResize();
}
}
}
document.removeEventListener('mousemove', resize, false);
e.preventDefault();
toggleDragged = false;
togglePressed = false;
return false;
}, false);
this.domElement.appendChild(controllerContainer);
this.domElement.appendChild(toggleButton);
if (GUI.autoPlace) {
if(GUI.autoPlaceContainer == null) {
GUI.autoPlaceContainer = document.createElement('div');
GUI.autoPlaceContainer.setAttribute("id", "guidat");
document.body.appendChild(GUI.autoPlaceContainer);
}
GUI.autoPlaceContainer.appendChild(this.domElement);
}
this.autoListenIntervalTime = 1000/60;
var createListenInterval = function() {
listenInterval = setInterval(function() {
_this.listen();
}, this.autoListenIntervalTime);
}
this.__defineSetter__("autoListen", function(v) {
autoListen = v;
if (!autoListen) {
clearInterval(listenInterval);
} else {
if (listening.length > 0) createListenInterval();
}
});
this.__defineGetter__("autoListen", function(v) {
return autoListen;
});
this.listenTo = function(controller) {
// TODO: check for duplicates
if (listening.length == 0) {
createListenInterval();
}
listening.push(controller);
};
this.unlistenTo = function(controller) {
// TODO: test this
for(var i = 0; i < listening.length; i++) {
if(listening[i] == controller) listening.splice(i, 1);
}
if(listening.length <= 0) {
clearInterval(listenInterval);
}
};
this.listen = function(whoToListenTo) {
var arr = whoToListenTo || listening;
for (var i in arr) {
arr[i].updateDisplay();
}
};
this.listenAll = function() {
this.listen(controllers);
}
this.autoListen = true;
var alreadyControlled = function(object, propertyName) {
for (var i in controllers) {
if (controllers[i].object == object &&
controllers[i].propertyName == propertyName) {
return true;
}
}
return false;
};
var construct = function(constructor, args) {
function F() {
return constructor.apply(this, args);
}
F.prototype = constructor.prototype;
return new F();
};
this.add = function() {
var object = arguments[0];
var propertyName = arguments[1];
// Have we already added this?
if (alreadyControlled(object, propertyName)) {
// GUI.error("Controller for \"" + propertyName+"\" already added.");
// return;
}
var value = object[propertyName];
// Does this value exist? Is it accessible?
if (value == undefined) {
GUI.error(object + " either has no property \""+propertyName+"\", or the property is inaccessible.");
return;
}
var type = typeof value;
var handler = handlerTypes[type];
// Do we know how to deal with this data type?
if (handler == undefined) {
GUI.error("Cannot create controller for data type \""+type+"\"");
return;
}
var args = [this]; // Set first arg (parent) to this
for (var j = 0; j < arguments.length; j++) {
args.push(arguments[j]);
}
var controllerObject = construct(handler, args);
// Were we able to make the controller?
if (!controllerObject) {
GUI.error("Error creating controller for \""+propertyName+"\".");
return;
}
// Success.
controllerContainer.appendChild(controllerObject.domElement);
controllers.push(controllerObject);
GUI.allControllers.push(controllerObject);
// Do we have a saved value for this controller?
if (type != "function" &&
GUI.saveIndex < GUI.savedValues.length) {
controllerObject.setValue(GUI.savedValues[GUI.saveIndex]);
GUI.saveIndex++;
}
// Compute sum height of controllers.
checkForOverflow();
// Prevents checkForOverflow bug in which loaded gui appearance
// settings are not respected by presence of scrollbar.
if (!explicitOpenHeight) {
openHeight = controllerHeight;
}
return controllerObject;
}
var checkForOverflow = function() {
controllerHeight = 0;
for (var i in controllers) {
controllerHeight += controllers[i].domElement.offsetHeight;
}
if (controllerHeight - 1 > openHeight) {
controllerContainer.style.overflowY = "auto";
} else {
controllerContainer.style.overflowY = "hidden";
}
}
var handlerTypes = {
"number": GUI.NumberController,
"string": GUI.StringController,
"boolean": GUI.BooleanController,
"function": GUI.FunctionController
};
var alreadyControlled = function(object, propertyName) {
for (var i in controllers) {
if (controllers[i].object == object &&
controllers[i].propertyName == propertyName) {
return true;
}
}
return false;
};
var construct = function(constructor, args) {
function F() {
return constructor.apply(this, args);
}
F.prototype = constructor.prototype;
return new F();
};
this.reset = function() {
// TODO
}
// GUI ... GUI
this.toggle = function() {
open ? this.hide() : this.show();
};
this.show = function() {
toggleButton.innerHTML = name || "Hide Controls";
resizeTo = openHeight;
clearTimeout(resizeTimeout);
beginResize();
open = true;
}
this.hide = function() {
toggleButton.innerHTML = name || "Show Controls";
resizeTo = 0;
clearTimeout(resizeTimeout);
beginResize();
open = false;
}
this.name = function(n) {
name = n;
toggleButton.innerHTML = n;
}
// used in saveURL
this.appearanceVars = function() {
return [open, width, openHeight, controllerContainer.scrollTop]
}
var beginResize = function() {
//console.log("Resizing from " + curControllerContainerHeight + " to " + resizeTo);
curControllerContainerHeight += (resizeTo - curControllerContainerHeight)*0.6;
if (Math.abs(curControllerContainerHeight-resizeTo) < 1) {
curControllerContainerHeight = resizeTo;
} else {
resizeTimeout = setTimeout(beginResize, 1000/30);
}
controllerContainer.style.height = Math.round(curControllerContainerHeight)+'px';
checkForOverflow();
}
// Load saved appearance:
if (GUI.guiIndex < GUI.savedAppearanceVars.length) {
width = parseInt(GUI.savedAppearanceVars[GUI.guiIndex][1]);
_this.domElement.style.width = width+"px";
openHeight = parseInt(GUI.savedAppearanceVars[GUI.guiIndex][2]);
explicitOpenHeight = true;
if (eval(GUI.savedAppearanceVars[GUI.guiIndex][0]) == true) {
curControllerContainerHeight = openHeight;
var t = GUI.savedAppearanceVars[GUI.guiIndex][3]
// Hack.
setTimeout(function() {
controllerContainer.scrollTop = t;
}, 0);
if (GUI.scrollTop > -1) {
document.body.scrollTop = GUI.scrollTop;
}
resizeTo = openHeight;
this.show();
}
GUI.guiIndex++;
}
GUI.allGuis.push(this);
};
// Static members
GUI.autoPlace = true;
GUI.autoPlaceContainer = null;
GUI.allControllers = [];
GUI.allGuis = [];
GUI.saveURL = function() {
title = window.location;
url = GUI.replaceGetVar("saveString", GUI.getSaveString());
window.location = url;
};
GUI.scrollTop = -1;
GUI.load = function(saveString) {
//GUI.savedAppearanceVars = [];
var vals = saveString.split(",");
var numGuis = parseInt(vals[0]);
GUI.scrollTop = parseInt(vals[1]);
for (var i = 0; i < numGuis; i++) {
var appr = vals.splice(2, 4);
GUI.savedAppearanceVars.push(appr);
}
GUI.savedValues = vals.splice(2, vals.length);
};
GUI.savedValues = [];
GUI.savedAppearanceVars = [];
GUI.getSaveString = function() {
var vals = [];
vals.push(GUI.allGuis.length);
vals.push(document.body.scrollTop);
for (var i in GUI.allGuis) {
var av = GUI.allGuis[i].appearanceVars();
for (var j = 0; j < av.length; j++) {
vals.push(av[j]);
}
}
for (var i in GUI.allControllers) {
// We don't save values for functions.
if (GUI.allControllers[i].type == "function") {
continue;
}
var v = GUI.allControllers[i].getValue();
// Round numbers so they don't get enormous
if (GUI.allControllers[i].type == "number") {
v = GUI.roundToDecimal(v, 4);
}
vals.push(v);
}
return vals.join(',');
}
GUI.getVarFromURL = function(v) {
var vars = [], hash;
var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
for (var i = 0; i < hashes.length; i++) {
hash = hashes[i].split("=")
if (hash == undefined) continue;
if (hash[0] == v) {
return hash[1];
}
}
return null;
};
GUI.replaceGetVar = function(varName, val) {
var vars = [], hash;
var loc = window.location.href;
var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
for (var i = 0; i < hashes.length; i++) {
hash = hashes[i].split("=")
if (hash == undefined) continue;
if (hash[0] == varName) {
return loc.replace(hash[1], val);
}
}
if (window.location.href.indexOf('?') != -1) {
return loc + "&"+varName+"="+val;
}
return loc+"?"+varName+"="+val;
};
GUI.saveIndex = 0;
GUI.guiIndex = 0;
GUI.showSaveString = function() {
alert(GUI.getSaveString());
}
// Util functions
GUI.makeUnselectable = function(elem) {
elem.onselectstart = function() { return false; };
elem.style.MozUserSelect = "none";
elem.style.KhtmlUserSelect = "none";
elem.unselectable = "on";
}
GUI.makeSelectable = function(elem) {
elem.onselectstart = function() { };
elem.style.MozUserSelect = "auto";
elem.style.KhtmlUserSelect = "auto";
elem.unselectable = "off";
}
GUI.map = function(v, i1, i2, o1, o2) {
var v = o1 + (o2 - o1) * ((v - i1) / (i2 - i1));
return v;
}
GUI.constrain = function (v, o1, o2) {
if (v < o1) v = o1;
else if (v > o2) v = o2;
return v;
}
GUI.error = function(str) {
if (typeof console.error == 'function') {
console.error("[GUI ERROR] " + str);
}
};
GUI.roundToDecimal = function(n, decimals) {
var t = Math.pow(10, decimals);
return Math.round(n*t)/t;
}
GUI.extendController = function(clazz) {
clazz.prototype = new GUI.Controller();
clazz.prototype.constructor = clazz;
}
if (GUI.getVarFromURL('saveString') != null) GUI.load(GUI.getVarFromURL('saveString'));GUI.Slider = function(numberController, min, max, step, initValue) {
var min = min;
var max = max;
var step = step;
var clicked = false;
var _this = this;
var x, px;
this.domElement = document.createElement('div');
this.domElement.setAttribute('class', 'guidat-slider-bg');
this.fg = document.createElement('div');
this.fg.setAttribute('class', 'guidat-slider-fg');
this.domElement.appendChild(this.fg);
var findPos = function(obj) {
var curleft = curtop = 0;
if (obj.offsetParent) {
do {
curleft += obj.offsetLeft;
curtop += obj.offsetTop;
} while (obj = obj.offsetParent);
return [curleft,curtop];
}
}
this.__defineSetter__('value', function(e) {
var pct = GUI.map(e, min, max, 0, 100);
this.fg.style.width = pct+"%";
});
var onDrag = function(e) {
if (!clicked) return;
var pos = findPos(_this.domElement);
var val = GUI.map(e.pageX, pos[0], pos[0] + _this.domElement.offsetWidth, min, max);
val = Math.round(val/step)*step;
numberController.setValue(val);
}
this.domElement.addEventListener('mousedown', function(e) {
clicked = true;
x = px = e.pageX;
_this.domElement.setAttribute('class', 'guidat-slider-bg active');
_this.fg.setAttribute('class', 'guidat-slider-fg active');
onDrag(e);
document.addEventListener('mouseup', mouseup, false);
}, false);
var mouseup = function(e) {
_this.domElement.setAttribute('class', 'guidat-slider-bg');
_this.fg.setAttribute('class', 'guidat-slider-fg');
clicked = false;
if (numberController.finishChangeFunction != null) {
numberController.finishChangeFunction.call(this, numberController.getValue());
}
document.removeEventListener('mouseup', mouseup, false);
};
document.addEventListener('mousemove', onDrag, false);
this.value = initValue;
}
GUI.Controller = function() {
this.parent = arguments[0];
this.object = arguments[1];
this.propertyName = arguments[2];
if (arguments.length > 0) this.initialValue = this.propertyName[this.object];
this.domElement = document.createElement('div');
this.domElement.setAttribute('class', 'guidat-controller ' + this.type);
this.propertyNameElement = document.createElement('span');
this.propertyNameElement.setAttribute('class', 'guidat-propertyname');
this.name(this.propertyName);
this.domElement.appendChild(this.propertyNameElement);
GUI.makeUnselectable(this.domElement);
};
GUI.Controller.prototype.changeFunction = null;
GUI.Controller.prototype.finishChangeFunction = null;
GUI.Controller.prototype.name = function(n) {
this.propertyNameElement.innerHTML = n;
return this;
};
GUI.Controller.prototype.reset = function() {
this.setValue(this.initialValue);
return this;
};
GUI.Controller.prototype.listen = function() {
this.parent.listenTo(this);
return this;
}
GUI.Controller.prototype.unlisten = function() {
this.parent.unlistenTo(this); // <--- hasn't been tested yet
return this;
}
GUI.Controller.prototype.setValue = function(n) {
this.object[this.propertyName] = n;
if (this.changeFunction != null) {
this.changeFunction.call(this, n);
}
this.updateDisplay();
return this;
}
GUI.Controller.prototype.getValue = function() {
return this.object[this.propertyName];
}
GUI.Controller.prototype.updateDisplay = function() {}
GUI.Controller.prototype.onChange = function(fnc) {
this.changeFunction = fnc;
return this;
}
GUI.Controller.prototype.onFinishChange = function(fnc) {
this.finishChangeFunction = fnc;
return this;
}
GUI.Controller.prototype.options = function() {
var _this = this;
var select = document.createElement('select');
if (arguments.length == 1) {
var arr = arguments[0];
for (var i in arr) {
var opt = document.createElement('option');
opt.innerHTML = i;
opt.setAttribute('value', arr[i]);
select.appendChild(opt);
}
} else {
for (var i = 0; i < arguments.length; i++) {
var opt = document.createElement('option');
opt.innerHTML = arguments[i];
opt.setAttribute('value', arguments[i]);
select.appendChild(opt);
}
}
select.addEventListener('change', function() {
_this.setValue(this.value);
if (_this.finishChangeFunction != null) {
_this.finishChangeFunction.call(this, _this.getValue());
}
}, false);
_this.domElement.appendChild(select);
return this;
}
GUI.BooleanController = function() {
this.type = "boolean";
GUI.Controller.apply(this, arguments);
var _this = this;
var input = document.createElement('input');
input.setAttribute('type', 'checkbox');
this.domElement.addEventListener('click', function(e) {
input.checked = !input.checked;
e.preventDefault();
_this.setValue(input.checked);
}, false);
input.addEventListener('mouseup', function(e) {
input.checked = !input.checked; // counteracts default.
}, false);
this.domElement.style.cursor = "pointer";
this.propertyNameElement.style.cursor = "pointer";
this.domElement.appendChild(input);
this.updateDisplay = function() {
input.checked = _this.getValue();
};
this.setValue = function(val) {
if (typeof val != "boolean") {
try {
val = eval(val);
} catch (e) {}
}
return GUI.Controller.prototype.setValue.call(this, val);
}
};
GUI.extendController(GUI.BooleanController);GUI.FunctionController = function() {
this.type = "function";
var _this = this;
GUI.Controller.apply(this, arguments);
this.domElement.addEventListener('click', function() {
_this.fire();
}, false);
this.domElement.style.cursor = "pointer";
this.propertyNameElement.style.cursor = "pointer";
var fireFunction = null;
this.onFire = function(fnc) {
fireFunction = fnc;
return this;
}
this.fire = function() {
if (fireFunction != null) {
fireFunction.call(this);
}
_this.object[_this.propertyName].call(_this.object);
};
};
GUI.extendController(GUI.FunctionController);
GUI.NumberController = function() {
this.type = "number";
GUI.Controller.apply(this, arguments);
var _this = this;
// If we simply click and release a number field, we want to highlight it.
// This variable keeps track of whether or not we've dragged
var draggedNumberField = false;
var clickedNumberField = false;
var y = py = 0;
var min = arguments[3];
var max = arguments[4];
var step = arguments[5];
if (!step) {
if (min != undefined && max != undefined) {
step = (max-min)*0.01;
} else {
step = 1;
}
}
var numberField = document.createElement('input');
numberField.setAttribute('id', this.propertyName);
numberField.setAttribute('type', 'text');
numberField.setAttribute('value', this.getValue());
if (step) numberField.setAttribute('step', step);
this.domElement.appendChild(numberField);
var slider;
if (min != undefined && max != undefined) {
slider = new GUI.Slider(this, min, max, step, this.getValue());
this.domElement.appendChild(slider.domElement);
}
numberField.addEventListener('blur', function(e) {
var val = parseFloat(this.value);
console.log(val);
if (!isNaN(val)) {
_this.setValue(val);
}
}, false);
numberField.addEventListener('mousewheel', function(e) {
e.preventDefault();
_this.setValue(_this.getValue() + Math.abs(e.wheelDeltaY)/e.wheelDeltaY*step);
return false;
}, false);
numberField.addEventListener('mousedown', function(e) {
py = y = e.pageY;
clickedNumberField = true;
document.addEventListener('mousemove', dragNumberField, false);
document.addEventListener('mouseup', mouseup, false);
}, false);
// Handle up arrow and down arrow
numberField.addEventListener('keydown', function(e) {
switch(e.keyCode) {
case 38: // up
var newVal = _this.getValue() + step;
_this.setValue(newVal);
break;
case 40: // down
var newVal = _this.getValue() - step;
_this.setValue(newVal);
break;
}
}, false);
var mouseup = function(e) {
document.removeEventListener('mousemove', dragNumberField, false);
GUI.makeSelectable(_this.parent.domElement);
GUI.makeSelectable(numberField);
if (clickedNumberField && !draggedNumberField) {
numberField.focus();
numberField.select();
}
draggedNumberField = false;
clickedNumberField = false;
if (_this.finishChangeFunction != null) {
_this.finishChangeFunction.call(this, _this.getValue());
}
document.removeEventListener('mouseup', mouseup, false);
}
var dragNumberField = function(e) {
draggedNumberField = true;
e.preventDefault();
// We don't want to be highlighting this field as we scroll.
// Or any other fields in this gui for that matter ...
// TODO: Make makeUselectable go through each element and child element.
GUI.makeUnselectable(_this.parent.domElement);
GUI.makeUnselectable(numberField);
py = y;
y = e.pageY;
var dy = py - y;
var newVal = _this.getValue() + dy*step;
_this.setValue(newVal);
return false;
}
this.options = function() {
_this.noSlider();
_this.domElement.removeChild(numberField);
return GUI.Controller.prototype.options.apply(this, arguments);
};
this.noSlider = function() {
if (slider) {
_this.domElement.removeChild(slider.domElement);
}
return this;
};
this.setValue = function(val) {
val = parseFloat(val);
if (min != undefined && val <= min) {
val = min;
} else if (max != undefined && val >= max) {
val = max;
}
return GUI.Controller.prototype.setValue.call(this, val);
}
this.updateDisplay = function() {
numberField.value = GUI.roundToDecimal(_this.getValue(), 4);
if (slider) slider.value = _this.getValue();
}
};
GUI.extendController(GUI.NumberController);
GUI.StringController = function() {
this.type = "string";
var _this = this;
GUI.Controller.apply(this, arguments);
var input = document.createElement('input');
var initialValue = this.getValue();
input.setAttribute('value', initialValue);
input.setAttribute('spellcheck', 'false');
this.domElement.addEventListener('mouseup', function() {
input.focus();
input.select();
}, false);
// TODO: getting messed up on ctrl a
input.addEventListener('keyup', function(e) {
if (e.keyCode == 13 && _this.finishChangeFunction != null) {
_this.finishChangeFunction.call(this, _this.getValue());
}
_this.setValue(input.value);
}, false);
input.addEventListener('blur', function() {
if (_this.finishChangeFunction != null) {
_this.finishChangeFunction.call(this, _this.getValue());
}
}, false);
this.updateDisplay = function() {
input.value = _this.getValue();
}
this.options = function() {
_this.domElement.removeChild(input);
return GUI.Controller.prototype.options.apply(this, arguments);
};
this.domElement.appendChild(input);
};
GUI.extendController(GUI.StringController);