mirror of
https://github.com/dataarts/dat.gui.git
synced 2024-10-10 06:54:18 +00:00
489 lines
15 KiB
JavaScript
489 lines
15 KiB
JavaScript
// This version of gui.js appends the style definitions via javascript.
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var GUI = new function() {
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var _this = this;
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var controllers = [];
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var style = '#guidat{color:#fff;position:fixed;width:280px;z-index:200;opacity:.97;top:0;left:100%;margin-left:-300px;background-color:#fff;-moz-transition:margin-top .2s ease-out;-webkit-transition:margin-top .2s ease-out;transition:margin-top .2s ease-out;-webkit-box-shadow:0 0 10px rgba(0,0,0,0.3);-moz-box-shadow:0 0 10px rgba(0,0,0,0.3);box-shadow:0 0 10px rgba(0,0,0,0.3)}#guidat,#guidat input{font:9.5px Lucida Grande,sans-serif}#guidat-controllers{height:300px;overflow-y:auto;overflow-x:hidden;background-color:rgba(0,0,0,0.1)}#guidat-toggle{text-decoration:none;cursor:pointer;color:#fff;background-color:#222;text-align:center;display:block;padding:5px}#guidat-toggle:hover{background-color:#000}.guidat-controller{padding:3px;height:25px;clear:left;border-bottom:1px solid #222;background-color:#111}.guidat-controller,.guidat-controller input,.guidat-slider-bg,.guidat-slider-fg{-moz-transition:background-color .15s linear;-webkit-transition:background-color .15s linear;transition:background-color .15s linear}.guidat-controller.boolean:hover,.guidat-controller.function:hover{background-color:#000}.guidat-controller input{float:right;outline:none;border:0;padding:4px;margin-top:2px;background-color:#222}.guidat-controller input:hover{background-color:#444}.guidat-controller input:focus{background-color:#555}.guidat-controller.number{border-left:5px solid #00aeff}.guidat-controller.string{border-left:5px solid #1ed36f}.guidat-controller.string input{border:0;color:#1ed36f;margin-right:2px;width:148px}.guidat-controller.boolean{border-left:5px solid #54396e}.guidat-controller.function{border-left:5px solid #e61d5f}.guidat-controller.number input[type=text]{width:35px;margin-left:5px;margin-right:2px;color:#00aeff}#guidat .guidat-controller.boolean input{margin-top:6px;margin-right:2px;font-size:20px}.guidat-controller:last-child{border-bottom:none;-webkit-box-shadow:0 1px 3px rgba(0,0,0,0.5);-moz-box-shadow:0 1px 3px rgba(0,0,0,0.5);box-shadow:0 1px 3px rgba(0,0,0,0.5)}.guidat-propertyname{padding:5px;padding-top:7px;cursor:default;display:inline-block}.guidat-slider-bg:hover,.guidat-slider-bg.active{background-color:#444}.guidat-slider-bg:hover .guidat-slider-fg,.guidat-slider-bg.active .guidat-slider-fg{background-color:#52c8ff}.guidat-slider-bg{background-color:#222;cursor:ew-resize;width:40%;margin-top:2px;float:right;height:21px}.guidat-slider-fg{background-color:#00aeff;height:20px}'
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this.add = function() {
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// We need to call GUI.start() before .add()
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if (!started) {
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error("Make sure to call GUI.start() in the window.onload function");
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return;
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}
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var object = arguments[0];
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var propertyName = arguments[1];
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// Have we already added this?
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if (alreadyControlled(object, propertyName)) {
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error("Controller for \"" + propertyName+"\" already added.");
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return;
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}
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var value = object[propertyName];
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// Does this value exist? Is it accessible?
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if (value == undefined) {
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error(object + " either has no property \""+propertyName+"\", or the property is inaccessible.");
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return;
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}
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var type = typeof value;
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var handler = addHandlers[type];
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// Do we know how to deal with this data type?
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if (handler == undefined) {
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error("Cannot create controller for data type \""+type+"\"");
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return;
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}
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var controllerObject = handler.apply(this, arguments);
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// Were we able to make the controller?
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if (!controllerObject) {
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error("Error creating controller for \""+propertyName+"\".");
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return;
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}
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// Success.
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controllerContainer.appendChild(controllerObject.domElement);
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controllers.push(controllerObject);
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return controllerObject;
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}
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var addHandlers = {
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"number": function() {
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return construct(NumberController, arguments);
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},
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"string": function() {
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return construct(StringController, arguments);
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},
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"boolean": function() {
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return construct(BooleanController, arguments);
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},
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"function": function() {
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return construct(FunctionController, arguments);
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},
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};
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var alreadyControlled = function(object, propertyName) {
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for (var i in controllers) {
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if (controllers[i].object == object &&
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controllers[i].propertyName == propertyName) {
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return true;
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}
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}
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return false;
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};
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var error = function(str) {
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if (typeof console.log == 'function') {
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console.error("[GUI ERROR] " + str);
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}
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};
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var construct = function(constructor, args) {
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function F() {
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return constructor.apply(this, args);
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}
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F.prototype = constructor.prototype;
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return new F();
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};
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// GUI ... GUI
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this.domElement = null;
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var controllerContainer;
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var started = false;
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var open = false;
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// TODO: obtain this dynamically?
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var domElementMarginTop = 300;
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this.start = function() {
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var styleSheet = document.createElement('style');
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styleSheet.setAttribute('type', 'text/css');
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styleSheet.innerHTML = style;
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document.getElementsByTagName('head')[0].appendChild(styleSheet);
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this.domElement = document.createElement('div');
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this.domElement.setAttribute('id', 'guidat');
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controllerContainer = document.createElement('div');
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controllerContainer.setAttribute('id', 'guidat-controllers');
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toggleButton = document.createElement('a');
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toggleButton.setAttribute('id', 'guidat-toggle');
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toggleButton.setAttribute('href', '#');
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toggleButton.innerHTML = "Show Controls";
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toggleButton.addEventListener('click', function(e) {
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_this.toggle();
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e.preventDefault();
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}, false);
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this.domElement.appendChild(controllerContainer);
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this.domElement.appendChild(toggleButton);
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this.domElement.style.marginTop = -domElementMarginTop+"px";
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document.body.appendChild(this.domElement);
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started = true;
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};
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this.toggle = function() {
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if (open) {
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this.hide();
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} else {
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this.show();
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}
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};
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this.show = function() {
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this.domElement.style.marginTop = 0+"px";
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toggleButton.innerHTML = "Hide Controls";
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open = true;
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}
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this.hide = function() {
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this.domElement.style.marginTop = -domElementMarginTop+"px";
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toggleButton.innerHTML = "Show Controls";
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open = false;
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}
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};
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// TODO: Leaving the window while dragging the slider and then removing the mouse
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// still leaves slider in focus.
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// TODO: Problem with multiple sliders.
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var Slider = function(numberController, min, max, step, initValue) {
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var min = min;
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var max = max;
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var step = step;
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var clicked = false;
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var _this = this;
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var x, px;
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this.domElement = document.createElement('div');
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this.fg = document.createElement('div');
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this.domElement.setAttribute('class', 'guidat-slider-bg');
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this.fg.setAttribute('class', 'guidat-slider-fg');
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this.domElement.appendChild(this.fg);
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var map = function(v, i1, i2, o1, o2) {
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var v = o1 + (o2 - o1) * ((v - i1) / (i2 - i1));
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if (v < o1) v = o1;
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else if (v > o2) v = o2;
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return v;
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}
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var findPos = function(obj) {
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var curleft = curtop = 0;
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if (obj.offsetParent) {
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do {
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curleft += obj.offsetLeft;
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curtop += obj.offsetTop;
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} while (obj = obj.offsetParent);
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return [curleft,curtop];
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}
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}
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this.__defineSetter__('value', function(e) {
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var pct = map(e, min, max, 0, 100);
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this.fg.style.width = pct+"%";
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});
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var onDrag = function(e) {
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if (!clicked) return;
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var pos = findPos(_this.domElement);
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var val = map(e.pageX, pos[0], pos[0] + _this.domElement.offsetWidth, min, max);
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val = Math.round(val/step)*step;
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numberController.updateValue(val);
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}
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this.domElement.addEventListener('mousedown', function(e) {
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clicked = true;
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x = px = e.pageX;
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_this.domElement.setAttribute('class', 'guidat-slider-bg active');
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_this.fg.setAttribute('class', 'guidat-slider-fg active');
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onDrag(e);
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}, false);
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document.addEventListener('mouseup', function(e) {
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_this.domElement.setAttribute('class', 'guidat-slider-bg');
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_this.fg.setAttribute('class', 'guidat-slider-fg');
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clicked = false;
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}, false);
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document.addEventListener('mousemove', onDrag, false);
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this.value = initValue;
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}
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var Controller = function() {
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var onChange = null;
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this.setName = function(n) {
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this.propertyNameElement.innerHTML = n;
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}
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this.setValue = function(n) {
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this.object[this.propertyName] = n;
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if (onChange != null) {
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onChange.call(this, n);
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}
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}
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this.getValue = function() {
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return this.object[this.propertyName];
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}
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this.onChange = function(fnc) {
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onChange = fnc;
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}
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this.makeUnselectable = function(elem) {
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elem.onselectstart = function() { return false; };
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elem.style.MozUserSelect = "none";
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elem.style.KhtmlUserSelect = "none";
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elem.unselectable = "on";
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}
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this.makeSelectable = function(elem) {
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elem.onselectstart = function() { };
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elem.style.MozUserSelect = "auto";
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elem.style.KhtmlUserSelect = "auto";
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elem.unselectable = "off";
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}
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this.domElement = document.createElement('div');
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this.domElement.setAttribute('class', 'guidat-controller ' + this.type);
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this.object = arguments[0];
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this.propertyName = arguments[1];
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this.propertyNameElement = document.createElement('span');
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this.propertyNameElement.setAttribute('class', 'guidat-propertyname');
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this.setName(this.propertyName);
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this.domElement.appendChild(this.propertyNameElement);
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this.makeUnselectable(this.domElement);
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};
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var BooleanController = function() {
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this.type = "boolean";
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Controller.apply(this, arguments);
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var _this = this;
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var input = document.createElement('input');
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input.setAttribute('type', 'checkbox');
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this.domElement.addEventListener('click', function(e) {
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input.checked = !input.checked;
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e.preventDefault();
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_this.setValue(input.checked);
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}, false);
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input.addEventListener('mouseup', function(e) {
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input.checked = !input.checked; // counteracts default.
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}, false);
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this.domElement.style.cursor = "pointer";
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this.propertyNameElement.style.cursor = "pointer";
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this.domElement.appendChild(input);
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};
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BooleanController.prototype = new Controller();
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BooleanController.prototype.constructor = BooleanController;
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var FunctionController = function() {
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this.type = "function";
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var _this = this;
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Controller.apply(this, arguments);
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this.domElement.addEventListener('click', function() {
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_this.object[_this.propertyName].call(_this.object);
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}, false);
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this.domElement.style.cursor = "pointer";
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this.propertyNameElement.style.cursor = "pointer";
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};
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FunctionController.prototype = new Controller();
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FunctionController.prototype.constructor = FunctionController;
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// TODO: Provide alternate controllers for non-html5 browsers?
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var NumberController = function() {
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this.type = "number";
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Controller.apply(this, arguments);
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var _this = this;
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// If we simply click and release a number field, we want to highlight it.
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// This variable keeps track of whether or not we've dragged
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var draggedNumberField = false;
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var clickedNumberField = false;
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var y = py = 0;
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var min = arguments[2];
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var max = arguments[3];
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var step = arguments[4];
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if (!step) {
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if (min && max) {
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step = (max-min)*0.01;
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} else {
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step = 1;
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}
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}
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var numberField = document.createElement('input');
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numberField.setAttribute('id', this.propertyName);
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// Little up and down arrows are pissing me off.
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numberField.setAttribute('type', 'text');
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numberField.setAttribute('value', this.getValue());
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if (step) numberField.setAttribute('step', step);
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this.domElement.appendChild(numberField);
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var slider;
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if (min != undefined && max != undefined) {
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slider = new Slider(this, min, max, step, this.getValue());
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this.domElement.appendChild(slider.domElement);
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}
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numberField.addEventListener('blur', function(e) {
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var val = parseFloat(this.value);
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if (!isNaN(val)) {
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_this.updateValue(val);
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} else {
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this.value = _this.getValue();
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}
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}, false);
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numberField.addEventListener('mousewheel', function(e) {
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e.preventDefault();
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this.updateValue(_this.getValue() + Math.abs(e.wheelDeltaY)/e.wheelDeltaY*step);
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return false;
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}, false);
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numberField.addEventListener('mousedown', function(e) {
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py = y = e.pageY;
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clickedNumberField = true;
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document.addEventListener('mousemove', dragNumberField, false);
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}, false);
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document.addEventListener('mouseup', function(e) {
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document.removeEventListener('mousemove', dragNumberField, false);
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_this.makeSelectable(GUI.domElement);
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_this.makeSelectable(numberField);
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if (clickedNumberField && !draggedNumberField) {
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numberField.focus();
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numberField.select();
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}
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draggedNumberField = false;
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clickedNumberField = false;
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}, false);
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// Kinda nast
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if (navigator.appVersion.indexOf('chrome') != -1) {
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document.addEventListener('mouseout', function(e) {
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document.removeEventListener('mousemove', dragNumberField, false);
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}, false);
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}
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var dragNumberField = function(e) {
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draggedNumberField = true;
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e.preventDefault();
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// We don't want to be highlighting this field as we scroll.
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// Or any other fields in this gui for that matter ...
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// TODO: Make makeUselectable go through each element and child element.
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_this.makeUnselectable(GUI.domElement);
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_this.makeUnselectable(numberField);
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py = y;
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y = e.pageY;
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var dy = py - y;
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var newVal = _this.getValue() + dy*step;
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_this.updateValue(newVal);
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return false;
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}
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this.updateValue = function(val) {
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val = parseFloat(val);
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if (min != undefined && val <= min) {
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val = min;
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} else if (max != undefined && val >= max) {
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val = max;
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}
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_this.setValue(val);
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numberField.value = _this.getValue();
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if (slider) slider.value = _this.getValue();
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}
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};
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NumberController.prototype = new Controller();
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NumberController.prototype.constructor = NumberController;
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var StringController = function() {
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this.type = "string";
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var _this = this;
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Controller.apply(this, arguments);
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var input = document.createElement('input');
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var initialValue = this.getValue();
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input.setAttribute('value', initialValue);
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input.setAttribute('spellcheck', 'false');
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this.domElement.addEventListener('mouseup', function() {
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input.focus();
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input.select();
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}, false);
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input.addEventListener('keyup', function() {
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_this.setValue(input.value);
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}, false);
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this.domElement.appendChild(input);
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};
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StringController.prototype = new Controller();
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StringController.prototype.constructor = StringController; |