';
+
+ }else{ // VML case
+ Dial.RING_TEMPLATE = '
'+
+ '';
+ Dial.MARKER_TEMPLATE = '
'+
+ ''+
+ ''+
+ ''+
+ '
'+
+ '';
+ Dial.CENTER_BUTTON_TEMPLATE = '
'+
+ '';
+ Dial.HANDLE_TEMPLATE = '
'+
+ ''+
+ ''+
+ ''+
+ '
'+
+ '';
+ }
+
+ /* Dial extends the base Widget class */
+ Y.extend(Dial, Widget, {
+
+ /**
+ * creates the DOM structure for the Dial.
+ *
+ * @method renderUI
+ * @protected
+ */
+ renderUI : function() {
+ this._renderLabel();
+ this._renderRing();
+ this._renderMarker();
+ this._renderCenterButton();
+ this._renderHandle();
+
+ // object handles
+ this.contentBox = this.get("contentBox");
+
+ // constants
+ this._originalValue = this.get('value');
+ this._minValue = this.get('min'); // saves doing a .get many times, but we need to remember to update this if/when we allow changing min or max after instantiation
+ this._maxValue = this.get('max');
+ this._stepsPerRevolution = this.get('stepsPerRevolution');
+ this._minTimesWrapped = (Math.floor(this._minValue / this._stepsPerRevolution - 1));
+ this._maxTimesWrapped = (Math.floor(this._maxValue / this._stepsPerRevolution + 1));
+
+ // variables
+ this._timesWrapped = 0;
+ this._angle = this._getAngleFromValue(this.get('value'));
+ this._prevAng = this._angle;
+
+ // init
+ this._setTimesWrappedFromValue(this._originalValue);
+ this._handleNode.set('aria-valuemin', this._minValue);
+ this._handleNode.set('aria-valuemax', this._maxValue);
+ },
+
+ /**
+ * Sets -webkit-border-radius to 50% of width/height of the ring, handle, marker, and center-button.
+ * This is needed for iOS 3.x.
+ * The objects render square if the radius is > 50% of the width/height
+ * @method _setBorderRadius
+ * @private
+ */
+ _setBorderRadius : function(){
+ this._ringNode.setStyles({'WebkitBorderRadius':this._ringNodeRadius + 'px',
+ 'MozBorderRadius':this._ringNodeRadius + 'px',
+ 'borderRadius':this._ringNodeRadius + 'px'
+ });
+ this._handleNode.setStyles({'WebkitBorderRadius':this._handleNodeRadius + 'px',
+ 'MozBorderRadius':this._handleNodeRadius + 'px',
+ 'borderRadius':this._handleNodeRadius + 'px'
+ });
+ this._markerNode.setStyles({'WebkitBorderRadius':this._markerNodeRadius + 'px',
+ 'MozBorderRadius':this._markerNodeRadius + 'px',
+ 'borderRadius':this._markerNodeRadius + 'px'
+ });
+ this._centerButtonNode.setStyles({'WebkitBorderRadius':this._centerButtonNodeRadius + 'px',
+ 'MozBorderRadius':this._centerButtonNodeRadius + 'px',
+ 'borderRadius':this._centerButtonNodeRadius + 'px'
+ });
+ },
+
+ /**
+ * Handles the mouseenter on the centerButton
+ *
+ * @method _handleCenterButtonEnter
+ * @protected
+ */
+ _handleCenterButtonEnter : function(){
+ this._resetString.removeClass(Dial.CSS_CLASSES.hidden);
+ },
+
+ /**
+ * Handles the mouseleave on the centerButton
+ *
+ * @method _handleCenterButtonLeave
+ * @protected
+ */
+ _handleCenterButtonLeave : function(){
+ this._resetString.addClass(Dial.CSS_CLASSES.hidden);
+ },
+
+ /**
+ * Creates the Y.DD.Drag instance used for the handle movement and
+ * binds Dial interaction to the configured value model.
+ *
+ * @method bindUI
+ * @protected
+ */
+ bindUI : function() {
+
+ this.after("valueChange", this._afterValueChange);
+
+ var boundingBox = this.get("boundingBox"),
+ // Looking for a key event which will fire continously across browsers while the key is held down.
+ keyEvent = (!Y.UA.opera) ? "down:" : "press:",
+ // 38, 40 = arrow up/down, 33, 34 = page up/down, 35 , 36 = end/home
+ keyEventSpec = keyEvent + "38,40,33,34,35,36",
+ // 37 , 39 = arrow left/right
+ keyLeftRightSpec = keyEvent + "37,39",
+ // 37 , 39 = arrow left/right + meta (command/apple key) for mac
+ keyLeftRightSpecMeta = keyEvent + "37+meta,39+meta",
+ Drag = Y.DD.Drag;
+
+ Y.on("key", Y.bind(this._onDirectionKey, this), boundingBox, keyEventSpec);
+ Y.on("key", Y.bind(this._onLeftRightKey, this), boundingBox, keyLeftRightSpec);
+ boundingBox.on("key", this._onLeftRightKeyMeta, keyLeftRightSpecMeta, this);
+
+ Y.on('mouseenter', Y.bind(this._handleCenterButtonEnter, this), this._centerButtonNode);
+ Y.on('mouseleave', Y.bind(this._handleCenterButtonLeave, this), this._centerButtonNode);
+ // Needed to replace mousedown/up with gesturemovestart/end to make behavior on touch devices work the same.
+ Y.on('gesturemovestart', Y.bind(this._resetDial, this), this._centerButtonNode); //[#2530441]
+ Y.on('gesturemoveend', Y.bind(this._handleCenterButtonMouseup, this), this._centerButtonNode);
+
+
+ Y.on(Drag.START_EVENT, Y.bind(this._handleHandleMousedown, this), this._handleNode);
+ Y.on(Drag.START_EVENT, Y.bind(this._handleMousedown, this), this._ringNode); // [#2530766]
+
+ //TODO: Can this be merged this into the drag:end event listener to avoid another registration?
+ Y.on('gesturemoveend', Y.bind(this._handleRingMouseup, this), this._ringNode);
+
+ this._dd1 = new Drag({ //// [#2530206] changed global this._dd1 from just var dd1 = new Y.DD.drag so
+ node: this._handleNode,
+ on : {
+ 'drag:drag' : Y.bind(this._handleDrag, this),
+ 'drag:start' : Y.bind(this._handleDragStart, this),
+ 'drag:end' : Y.bind(this._handleDragEnd, this) //,
+ }
+ });
+ Y.bind(this._dd1.addHandle(this._ringNode), this); // [#2530206] added the ring as a handle to the dd1 (the dd of the handleNode)
+ },
+
+ /**
+ * Sets _timesWrapped based on Dial value
+ * to net integer revolutions the user dragged the handle around the Dial
+ *
+ * @method _setTimesWrappedFromValue
+ * @param val {Number} current value of the Dial
+ * @private
+ */
+ _setTimesWrappedFromValue : function(val){
+ if(val % this._stepsPerRevolution === 0){
+ this._timesWrapped = (val / this._stepsPerRevolution);
+ }else{
+ this._timesWrapped = Math.floor(val / this._stepsPerRevolution);
+ }
+ },
+
+ /**
+ * gets the angle of the line from the center of the Dial to the center of the handle
+ *
+ * @method _getAngleFromHandleCenter
+ * @param handleCenterX {number}
+ * @param handleCenterY {number}
+ * @return ang {number} the angle
+ * @protected
+ */
+ _getAngleFromHandleCenter : function(handleCenterX, handleCenterY){
+ var ang = Math.atan( (this._dialCenterY - handleCenterY) / (this._dialCenterX - handleCenterX) ) * (180 / Math.PI);
+ ang = ((this._dialCenterX - handleCenterX) < 0) ? ang + 90 : ang + 90 + 180; // Compensate for neg angles from Math.atan
+ return ang;
+ },
+
+ /**
+ * calculates the XY of the center of the dial relative to the ring node.
+ * This is needed for calculating the angle of the handle
+ *
+ * @method _calculateDialCenter
+ * @protected
+ */
+ _calculateDialCenter : function(){ // #2531111 value, and marker don't track handle when dial position changes on page (resize when inline)
+ this._dialCenterX = this._ringNode.get('offsetWidth') / 2;
+ this._dialCenterY = this._ringNode.get('offsetHeight') / 2;
+ },
+
+ /**
+ * Handles the mouseup on the ring
+ *
+ * @method _handleRingMouseup
+ * @protected
+ */
+ _handleRingMouseup : function(){
+ this._handleNode.focus(); // need to re-focus on the handle so keyboard is accessible [#2530206]
+ },
+
+ /**
+ * Handles the mouseup on the centerButton
+ *
+ * @method _handleCenterButtonMouseup
+ * @protected
+ */
+ _handleCenterButtonMouseup : function(){
+ this._handleNode.focus(); // need to re-focus on the handle so keyboard is accessible [#2530206]
+ },
+
+ /**
+ * Handles the mousedown on the handle
+ *
+ * @method _handleHandleMousedown
+ * @protected
+ */
+ _handleHandleMousedown : function(){
+ this._handleNode.focus(); // need to re-focus on the handle so keyboard is accessible [#2530206]
+ // this is better done here instead of on _handleDragEnd
+ // because we should make the keyboard accessible after a click of the handle
+ },
+
+ /**
+ * handles the user dragging the handle around the Dial, gets the angle,
+ * checks for wrapping around top center.
+ * Sets the new value of the Dial
+ *
+ * @method _handleDrag
+ * @param e {DOMEvent} the drag event object
+ * @protected
+ */
+ _handleDrag : function(e){
+ var handleCenterX,
+ handleCenterY,
+ ang,
+ newValue;
+
+ // The event was emitted from drag:drag of handle.
+ // The center of the handle is top left position of the handle node + radius of handle.
+ // This is different than a mousedown on the ring.
+ handleCenterX = (parseInt(this._handleNode.getStyle('left'),10) + this._handleNodeRadius);
+ handleCenterY = (parseInt(this._handleNode.getStyle('top'),10) + this._handleNodeRadius);
+ ang = this._getAngleFromHandleCenter(handleCenterX, handleCenterY);
+
+ // check for need to set timesWrapped
+ if((this._prevAng > 270) && (ang < 90)){ // If wrapping, clockwise
+ if(this._timesWrapped < this._maxTimesWrapped){
+ this._timesWrapped = (this._timesWrapped + 1);
+ }
+ }else if((this._prevAng < 90) && (ang > 270)){ // if un-wrapping, counter-clockwise
+ if(this._timesWrapped > this._minTimesWrapped){
+ this._timesWrapped = (this._timesWrapped - 1);
+ }
+ }
+ newValue = this._getValueFromAngle(ang); // This function needs the current _timesWrapped value. That's why it comes after the _timesWrapped code above
+
+ // If you've gone past max more than one full revolution, we decrement the _timesWrapped value
+ // This gives the effect of a ratchet mechanism.
+ // It feels like you are never more than one revolution past max
+ // The effect is the same for min, only in reverse.
+ // We can't reset the _timesWrapped to the max or min here.
+ // If we did, the next (continuous) drag would reset the value incorrectly.
+ if(newValue > (this._maxValue + this._stepsPerRevolution) ){
+ this._timesWrapped --;
+ }else if(newValue < (this._minValue - this._stepsPerRevolution) ){
+ this._timesWrapped ++;
+ }
+ this._prevAng = ang; // need to keep the previous angle in order to check for wrapping on the next drag, click, or keypress
+
+ this._handleValuesBeyondMinMax(e, newValue);
+ },
+
+ /**
+ * handles a mousedown or gesturemovestart event on the ring node
+ *
+ * @method _handleMousedown
+ * @param e {DOMEvent} the event object
+ * @private
+ */
+ _handleMousedown : function(e){ // #2530306
+
+ if (this._ringNode.compareTo(e.target)) {
+ var minAng = this._getAngleFromValue(this._minValue),
+ maxAng = this._getAngleFromValue(this._maxValue),
+ newValue, oppositeMidRangeAngle,
+ handleCenterX, handleCenterY,
+ ang;
+
+
+
+ // The event was emitted from mousedown on the ring node,
+ // so the center of the handle should be the XY of mousedown.
+ if(Y.UA.ios){ // ios adds the scrollLeft and top onto clientX and Y in a native click
+ handleCenterX = (e.clientX - this._ringNode.getX());
+ handleCenterY = (e.clientY - this._ringNode.getY());
+ }else{
+ handleCenterX = (e.clientX + Y.one('document').get('scrollLeft') - this._ringNode.getX());
+ handleCenterY = (e.clientY + Y.one('document').get('scrollTop') - this._ringNode.getY());
+ }
+ ang = this._getAngleFromHandleCenter(handleCenterX, handleCenterY);
+
+ /* ///////////////////////////////////////////////////////////////////////////////////////////////////////
+ * The next sections of logic
+ * set this._timesWrapped in the different cases of value range
+ * and value range position,
+ * then the Dial value is set at the end of this method
+ */ ///////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+ ////////////////////////////////////////////////////////////////////////////////////////////////////////////
+ if(this._maxValue - this._minValue > this._stepsPerRevolution){
+
+ // Case: range min-to-max is greater than stepsPerRevolution (one revolution)
+
+ // This checks the shortest way around the dial between the prevAng and this ang.
+ if(Math.abs(this._prevAng - ang) > 180){ // this crossed a wrapping
+
+ // Only change the _timesWrapped if it's between minTimesWrapped and maxTimesWrapped
+ if((this._timesWrapped > this._minTimesWrapped) &&
+ (this._timesWrapped < this._maxTimesWrapped)
+ ){
+ // this checks which direction, clock wise or CCW and incr or decr _timesWrapped
+ this._timesWrapped = ((this._prevAng - ang) > 0) ? (this._timesWrapped + 1) : (this._timesWrapped - 1);
+ }
+ // special case of getting un-stuck from a min value case
+ // where timesWrapped is minTimesWrapped but new ang won't trigger a cross wrap boundry
+ // because prevAng is set to 0 or > 0
+ }else if(
+ (this._timesWrapped === this._minTimesWrapped) &&
+ (ang - this._prevAng < 180)
+ ){
+ this._timesWrapped ++;
+ } //it didn't cross a wrapping boundary
+
+ } /////////////////////////////////////////////////////////////////////////////////////////////////////////
+ else if(this._maxValue - this._minValue === this._stepsPerRevolution){
+ // Case: range min-to-max === stepsPerRevolution (one revolution)
+ // This means min and max will be at same angle
+ // This does not mean they are at "north"
+
+ if(ang < minAng){ // if mousedown angle is < minAng (and maxAng, because they're the same)
+ // The only way it can be, is if min and max are not at north
+ this._timesWrapped = 1;
+ }else{
+ this._timesWrapped = 0;
+ }
+
+ } //////////////////////////////////////////////////////////////////////////////////////////////////////////
+ else if(minAng > maxAng){
+ // Case: range includes the wrap point (north)
+ // Because of "else if"...
+ // range is < stepsPerRevolution
+
+ if(
+ (this._prevAng >= minAng) && // if prev angle was greater than angle of min and...
+ (ang <= (minAng + maxAng) / 2) // the angle of this click is less than
+ // the angle opposite the mid-range angle, then...
+ ){
+ this._timesWrapped ++;
+ }else if(
+ (this._prevAng <= maxAng) &&
+ // if prev angle is < max angle and...
+
+ (ang > (minAng + maxAng) / 2)
+ // the angle of this click is greater than,
+ // the angle opposite the mid-range angle and...
+
+ ){
+ this._timesWrapped --;
+ }
+
+ } ////////////////////////////////////////////////////////////////////////////////////////////////////
+ else{
+ // "else" Case: min-to-max range doesn't include the wrap point
+ // Because of "else if"...
+ // range is still < stepsPerRevolution
+
+ if ((ang < minAng) || (ang > maxAng)){ // angle is out of range
+ oppositeMidRangeAngle = (((minAng + maxAng) / 2) + 180) % 360;
+ // This is the bisection of the min-to-max range + 180. (opposite the bisection)
+
+ if(oppositeMidRangeAngle > 180){
+ newValue = ((maxAng < ang) && (ang < oppositeMidRangeAngle)) ? this.get('max') : this.get('min');
+ }else{ //oppositeMidRangeAngle <= 180
+ newValue = ((minAng > ang) && (ang > oppositeMidRangeAngle)) ? this.get('min') : this.get('max');
+ }
+ this._prevAng = this._getAngleFromValue(newValue);
+ this.set('value', newValue);
+ this._setTimesWrappedFromValue(newValue);
+ return;
+ }
+ }
+
+ // Now that _timesWrapped is set, set newValue .......................................................................
+ newValue = this._getValueFromAngle(ang); // This function needs the correct, current _timesWrapped value.
+
+
+ /* updating _prevAng (previous angle)
+ * When past min or max, _prevAng is set to the angle of min or max
+ * Don't do this in a drag method, or it will affect wrapping,
+ * causing the marker to stick at min, when min is 0 degrees (north)
+ * #2532878
+ */
+ if (newValue > this._maxValue) {
+ this._prevAng = this._getAngleFromValue(this._maxValue); // #2530766 need for mousedown on the ring; causes prob for drag
+ } else if (newValue < this._minValue) {
+ this._prevAng = this._getAngleFromValue(this._minValue);
+ } else {
+ this._prevAng = ang;
+ }
+
+ this._handleValuesBeyondMinMax(e, newValue);
+ }
+ },
+
+ /**
+ * handles the case where the value is less than min or greater than max
+ * This is used both when handle is dragged and when the ring is clicked
+ *
+ * @method _handleValuesBeyondMinMax
+ * @param e {DOMEvent} the event object
+ * @param newValue {number} current value of the dial
+ * @protected
+ */
+ _handleValuesBeyondMinMax : function(e, newValue){ // #2530306
+ // If _getValueFromAngle() is passed 0, it increments the _timesWrapped value.
+ // handle hitting max and min and going beyond, stops at max or min
+ if((newValue >= this._minValue) && (newValue <= this._maxValue)) {
+ this.set('value', newValue);
+ // [#2530206] transfer the mousedown event from the _ringNode to the _handleNode drag, so we can mousedown, then continue dragging
+ if(e.currentTarget === this._ringNode){
+ // Delegate to DD's natural behavior
+ this._dd1._handleMouseDownEvent(e);
+ }
+ } else if (newValue > this._maxValue) {
+ this.set('value', this._maxValue);
+ } else if (newValue < this._minValue) {
+ this.set('value', this._minValue);
+ }
+ },
+
+ /**
+ * handles the user starting to drag the handle around the Dial
+ *
+ * @method _handleDragStart
+ * @param e {DOMEvent} the drag event object
+ * @protected
+ */
+ _handleDragStart : function(e){
+ this._markerNode.removeClass(Dial.CSS_CLASSES.hidden);
+ },
+
+ /*
+ * When handle is handleDragEnd, this animates the return to the fixed dial
+ */
+
+ /**
+ * handles the end of a user dragging the handle, animates the handle returning to
+ * resting position.
+ *
+ * @method _handleDragEnd
+ * @protected
+ */
+ _handleDragEnd : function(){
+ var node = this._handleNode;
+ node.transition({
+ duration: 0.08, // seconds
+ easing: 'ease-in',
+ left: this._setNodeToFixedRadius(this._handleNode, true)[0] + 'px',
+ top: this._setNodeToFixedRadius(this._handleNode, true)[1] + 'px'
+ }, Y.bind(function(){
+ var value = this.get('value');
+ //[#2530206] only hide marker if not at max or min
+ // more persistant user visibility of when the dial is at max or min
+ if((value > this._minValue) && (value < this._maxValue)){
+ this._markerNode.addClass(Dial.CSS_CLASSES.hidden);
+ }else{
+ this._setTimesWrappedFromValue(value); //#2530766 secondary bug when drag past max + cross wrapping boundry
+ this._prevAng = this._getAngleFromValue(value); //#2530766 secondary bug when drag past max + cross wrapping boundry
+ }
+ }, this)
+ );
+ },
+
+ /**
+ * returns the XY of the fixed position, handleDistance, from the center of the Dial (resting position).
+ * The XY also represents the angle related to the current value.
+ * If typeArray is true, [X,Y] is returned.
+ * If typeArray is false, the XY of the obj node passed in is set.
+ *
+ * @method _setNodeToFixedRadius
+ * @param obj {Node}
+ * @param typeArray {Boolean} true returns an array [X,Y]
+ * @protected
+ * @return {Array} an array of [XY] is optionally returned
+ */
+ _setNodeToFixedRadius : function(obj, typeArray){
+ var thisAngle = (this._angle - 90),
+ rad = (Math.PI / 180),
+ newY = Math.round(Math.sin(thisAngle * rad) * this._handleDistance),
+ newX = Math.round(Math.cos(thisAngle * rad) * this._handleDistance),
+ dia = obj.get('offsetWidth'); //Ticket #2529852
+
+ newY = newY - (dia * 0.5);
+ newX = newX - (dia * 0.5);
+ if(typeArray){ // just need the style for css transform left and top to animate the handle drag:end
+ return [(this._ringNodeRadius + newX), (this._ringNodeRadius + newY)];
+ }else{
+ obj.setStyle('left', (this._ringNodeRadius + newX) + 'px');
+ obj.setStyle('top', (this._ringNodeRadius + newY) + 'px');
+ }
+ },
+
+ /**
+ * Synchronizes the DOM state with the attribute settings.
+ *
+ * @method syncUI
+ */
+ syncUI : function() {
+ // Make the marker and the resetString display so their placement and borderRadius can be calculated, then hide them again.
+ // We would have used visibility:hidden in the css of this class,
+ // but IE8 VML never returns to visible after applying visibility:hidden then removing it.
+ this._setSizes();
+ this._calculateDialCenter(); // #2531111 initialize center of dial
+ this._setBorderRadius();
+ this._uiSetValue(this.get("value"));
+ this._markerNode.addClass(Dial.CSS_CLASSES.hidden);
+ this._resetString.addClass(Dial.CSS_CLASSES.hidden);
+ },
+
+ /**
+ * sets the sizes of ring, center-button, marker, handle, and VML ovals in pixels.
+ * Needed only because some IE versions
+ * ignore CSS percent sizes/offsets.
+ * so these must be set in pixels.
+ * Normally these are set in % of the ring.
+ *
+ * @method _setSizes
+ * @protected
+ */
+ _setSizes : function(){
+ var dia = this.get('diameter'),
+ offset, offsetResetX, offsetResetY,
+ setSize = function(node, dia, percent){
+ var suffix = 'px';
+ node.getElementsByTagName('oval').setStyle('width', (dia * percent) + suffix);
+ node.getElementsByTagName('oval').setStyle('height', (dia * percent) + suffix);
+ node.setStyle('width', (dia * percent) + suffix);
+ node.setStyle('height', (dia * percent) + suffix);
+ };
+ setSize(this._ringNode, dia, 1.0);
+ setSize(this._handleNode, dia, this.get('handleDiameter'));
+ setSize(this._markerNode, dia, this.get('markerDiameter'));
+ setSize(this._centerButtonNode, dia, this.get('centerButtonDiameter'));
+
+ // Set these (used for trig) this way instead of relative to dia,
+ // in case they have borders, have images etc.
+ this._ringNodeRadius = this._ringNode.get('offsetWidth') * 0.5;
+ this._handleNodeRadius = this._handleNode.get('offsetWidth') * 0.5;
+ this._markerNodeRadius = this._markerNode.get('offsetWidth') * 0.5;
+ this._centerButtonNodeRadius = this._centerButtonNode.get('offsetWidth') * 0.5;
+ this._handleDistance = this._ringNodeRadius * this.get('handleDistance');
+ // place the centerButton
+ offset = (this._ringNodeRadius - this._centerButtonNodeRadius);
+ this._centerButtonNode.setStyle('left', offset + 'px');
+ this._centerButtonNode.setStyle('top', offset + 'px');
+ /*
+ Place the resetString
+ This seems like it should be able to be done with CSS,
+ But since there is also a VML oval in IE that is absolute positioned,
+ The resetString ends up behind the VML oval.
+ */
+ offsetResetX = (this._centerButtonNodeRadius - (this._resetString.get('offsetWidth') * 0.5));
+ offsetResetY = (this._centerButtonNodeRadius - (this._resetString.get('offsetHeight') * 0.5));
+ this._resetString.setStyles({'left':offsetResetX + 'px', 'top':offsetResetY + 'px'});
+ },
+
+
+ /**
+ * renders the DOM object for the Dial's label
+ *
+ * @method _renderLabel
+ * @protected
+ */
+ _renderLabel : function() {
+ var contentBox = this.get("contentBox"),
+ label = contentBox.one("." + Dial.CSS_CLASSES.label);
+ if (!label) {
+ label = Node.create(Y.Lang.sub(Dial.LABEL_TEMPLATE, this.get('strings')));
+ contentBox.append(label);
+ }
+ this._labelNode = label;
+ this._valueStringNode = this._labelNode.one("." + Dial.CSS_CLASSES.valueString);
+ },
+
+ /**
+ * renders the DOM object for the Dial's background ring
+ *
+ * @method _renderRing
+ * @protected
+ */
+ _renderRing : function() {
+ var contentBox = this.get("contentBox"),
+ ring = contentBox.one("." + Dial.CSS_CLASSES.ring);
+ if (!ring) {
+ ring = contentBox.appendChild(Dial.RING_TEMPLATE);
+ ring.setStyles({width:this.get('diameter') + 'px', height:this.get('diameter') + 'px'});
+ }
+ this._ringNode = ring;
+ },
+
+ /**
+ * renders the DOM object for the Dial's background marker which
+ * tracks the angle of the user dragging the handle
+ *
+ * @method _renderMarker
+ * @protected
+ */
+ _renderMarker : function() {
+ var contentBox = this.get("contentBox"),
+ marker = contentBox.one("." + Dial.CSS_CLASSES.marker);
+ if (!marker) {
+ marker = contentBox.one('.' + Dial.CSS_CLASSES.ring).appendChild(Dial.MARKER_TEMPLATE);
+ }
+ this._markerNode = marker;
+ },
+
+ /**
+ * renders the DOM object for the Dial's center
+ *
+ * @method _renderCenterButton
+ * @protected
+ */
+ _renderCenterButton : function() {
+ var contentBox = this.get("contentBox"),
+ centerButton = contentBox.one("." + Dial.CSS_CLASSES.centerButton);
+ if (!centerButton) {
+ centerButton = Node.create(Y.Lang.sub(Dial.CENTER_BUTTON_TEMPLATE, this.get('strings')));
+ contentBox.one('.' + Dial.CSS_CLASSES.ring).append(centerButton);
+ }
+ this._centerButtonNode = centerButton;
+ this._resetString = this._centerButtonNode.one('.' + Dial.CSS_CLASSES.resetString);
+ },
+
+ /**
+ * renders the DOM object for the Dial's user draggable handle
+ *
+ * @method _renderHandle
+ * @protected
+ */
+ _renderHandle : function() {
+ var labelId = Dial.CSS_CLASSES.label + Y.guid(), //get this unique id once then use for handle and label for ARIA
+ contentBox = this.get("contentBox"),
+ handle = contentBox.one("." + Dial.CSS_CLASSES.handle);
+ if (!handle) {
+ handle = Node.create(Y.Lang.sub(Dial.HANDLE_TEMPLATE, this.get('strings')));
+ handle.setAttribute('aria-labelledby', labelId); // get unique id for specifying a label & handle for ARIA
+ this._labelNode.one('.' + Dial.CSS_CLASSES.labelString).setAttribute('id', labelId); // When handle gets focus, screen reader will include label text when reading the value.
+ contentBox.one('.' + Dial.CSS_CLASSES.ring).append(handle);
+ }
+ this._handleNode = handle;
+ },
+
+ /**
+ * sets the visible UI label HTML string
+ *
+ * @method _setLabelString
+ * @param str {String}
+ * @protected
+ * @deprecated Use DialObjName.set('strings',{'label':'My new label'}); before DialObjName.render();
+
+ */
+ _setLabelString : function(str) {
+ this.get("contentBox").one("." + Dial.CSS_CLASSES.labelString).setHTML(str);
+ },
+
+ /**
+ * sets the visible UI label HTML string
+ *
+ * @method _setResetString
+ * @param str {String}
+ * @protected
+ * @deprecated Use DialObjName.set('strings',{'resetStr':'My new reset string'}); before DialObjName.render();
+ */
+ _setResetString : function(str) {
+ this.get("contentBox").one("." + Dial.CSS_CLASSES.resetString).setHTML(str);
+ // this._setXYResetString(); // This used to recenter the string in the button. Done with CSS now. Method has been removed.
+ // this._resetString.setHTML(''); //We no longer show/hide the reset string with setHTML but by addClass and removeClass .yui3-dial-reset-string-hidden
+ },
+
+ /**
+ * sets the tooltip HTML string in the Dial's handle
+ *
+ * @method _setTooltipString
+ * @param str {String}
+ * @protected
+ * @deprecated Use DialObjName.set('strings',{'tooltipHandle':'My new tooltip'}); before DialObjName.render();
+ */
+ _setTooltipString : function(str) {
+ this._handleNode.set('title', str);
+ },
+
+ /**
+ * sets the Dial's value in response to key events.
+ * Left and right keys are in a separate method
+ * in case an implementation wants to increment values
+ * but needs left and right arrow keys for other purposes.
+ *
+ * @method _onDirectionKey
+ * @param e {Event} the key event
+ * @protected
+ */
+ _onDirectionKey : function(e) {
+ e.preventDefault();
+ switch (e.charCode) {
+ case 38: // up
+ this._incrMinor();
+ break;
+ case 40: // down
+ this._decrMinor();
+ break;
+ case 36: // home
+ this._setToMin();
+ break;
+ case 35: // end
+ this._setToMax();
+ break;
+ case 33: // page up
+ this._incrMajor();
+ break;
+ case 34: // page down
+ this._decrMajor();
+ break;
+ }
+ },
+
+ /**
+ * sets the Dial's value in response to left or right key events
+ *
+ * @method _onLeftRightKey
+ * @param e {Event} the key event
+ * @protected
+ */
+ _onLeftRightKey : function(e) {
+ e.preventDefault();
+ switch (e.charCode) {
+ case 37: // left
+ this._decrMinor();
+ break;
+ case 39: // right
+ this._incrMinor();
+ break;
+ }
+ },
+
+ /**
+ * sets the Dial's value in response to left or right key events when a meta (mac command/apple) key is also pressed
+ *
+ * @method _onLeftRightKeyMeta
+ * @param e {Event} the key event
+ * @protected
+ */
+ _onLeftRightKeyMeta : function(e) {
+ e.preventDefault();
+ switch (e.charCode) {
+ case 37: // left + meta
+ this._setToMin();
+ break;
+ case 39: // right + meta
+ this._setToMax();
+ break;
+ }
+ },
+
+ /**
+ * increments Dial value by a minor increment
+ *
+ * @method _incrMinor
+ * @protected
+ */
+ _incrMinor : function(){
+ var newVal = (this.get('value') + this.get("minorStep"));
+ newVal = Math.min(newVal, this.get("max"));
+ // [#2530045] .toFixed returns a string.
+ // Dial's value needs a number. -0 makes it a number, but removes trailing zeros.
+ // Added toFixed(...) again in _uiSetValue where content of yui3-dial-value-string is set.
+ // Removing the toFixed here, loses the feature of "snap-to" when for example, stepsPerRevolution is 10 and decimalPlaces is 0.
+ this.set('value', newVal.toFixed(this.get('decimalPlaces')) - 0);
+ },
+
+ /**
+ * decrements Dial value by a minor increment
+ *
+ * @method _decrMinor
+ * @protected
+ */
+ _decrMinor : function(){
+ var newVal = (this.get('value') - this.get("minorStep"));
+ newVal = Math.max(newVal, this.get("min"));
+ this.set('value', newVal.toFixed(this.get('decimalPlaces')) - 0);
+ },
+
+ /**
+ * increments Dial value by a major increment
+ *
+ * @method _incrMajor
+ * @protected
+ */
+ _incrMajor : function(){
+ var newVal = (this.get('value') + this.get("majorStep"));
+ newVal = Math.min(newVal, this.get("max"));
+ this.set('value', newVal.toFixed(this.get('decimalPlaces')) - 0);
+ },
+
+ /**
+ * decrements Dial value by a major increment
+ *
+ * @method _decrMajor
+ * @protected
+ */
+ _decrMajor : function(){
+ var newVal = (this.get('value') - this.get("majorStep"));
+ newVal = Math.max(newVal, this.get("min"));
+ this.set('value', newVal.toFixed(this.get('decimalPlaces')) - 0);
+ },
+
+ /**
+ * sets Dial value to dial's max attr
+ *
+ * @method _setToMax
+ * @protected
+ */
+ _setToMax : function(){
+ this.set('value', this.get("max"));
+ },
+
+ /**
+ * sets Dial value to dial's min attr
+ *
+ * @method _setToMin
+ * @protected
+ */
+ _setToMin : function(){
+ this.set('value', this.get("min"));
+ },
+
+ /**
+ * resets Dial value to the orignal initial value.
+ *
+ * @method _resetDial
+ * @protected
+ */
+ _resetDial : function(e){
+ if(e){
+ e.stopPropagation(); //[#2530206] need to add so mousedown doesn't propagate to ring and move the handle
+ }
+ this.set('value', this._originalValue);
+ this._resetString.addClass(Dial.CSS_CLASSES.hidden); //[#2530441]
+ this._handleNode.focus();
+ },
+
+ /**
+ * returns the handle angle associated with the current value of the Dial.
+ * Returns a number between 0 and 360.
+ *
+ * @method _getAngleFromValue
+ * @param newVal {Number} the current value of the Dial
+ * @return {Number} the angle associated with the current Dial value
+ * @protected
+ */
+ _getAngleFromValue : function(newVal){
+ var nonWrappedPartOfValue = newVal % this._stepsPerRevolution,
+ angleFromValue = nonWrappedPartOfValue / this._stepsPerRevolution * 360;
+ return (angleFromValue < 0) ? (angleFromValue + 360) : angleFromValue;
+ },
+
+ /**
+ * returns the value of the Dial calculated from the current handle angle
+ *
+ * @method _getValueFromAngle
+ * @param angle {Number} the current angle of the Dial's handle
+ * @return {Number} the current Dial value corresponding to the handle position
+ * @protected
+ */
+ _getValueFromAngle : function(angle){
+ if(angle < 0){
+ angle = (360 + angle);
+ }else if(angle === 0){
+ angle = 360;
+ }
+ var value = (angle / 360) * this._stepsPerRevolution;
+ value = (value + (this._timesWrapped * this._stepsPerRevolution));
+ //return Math.round(value * 100) / 100;
+ return value.toFixed(this.get('decimalPlaces')) - 0;
+ },
+
+ /**
+ * calls the method to update the UI whenever the Dial value changes
+ *
+ * @method _afterValueChange
+ * @param e {Event}
+ * @protected
+ */
+ _afterValueChange : function(e) {
+ this._uiSetValue(e.newVal);
+ },
+
+ /**
+ * Changes a value to have the correct decimal places per the attribute decimalPlaces
+ *
+ * @method _valueToDecimalPlaces
+ * @param val {Number} a raw value to set to the Dial
+ * @return {Number} the input val changed to have the correct decimal places
+ * @protected
+ */
+ _valueToDecimalPlaces : function(val) { // [#2530206] cleaned up and better user feedback of when it's max or min.
+
+ },
+
+ /**
+ * Updates the UI display value of the Dial to reflect
+ * the value passed in.
+ * Makes all other needed UI display changes
+ *
+ * @method _uiSetValue
+ * @param val {Number} value of the Dial
+ * @protected
+ */
+ _uiSetValue : function(val) { // [#2530206] cleaned up and better user feedback of when it's max or min.
+ this._angle = this._getAngleFromValue(val);
+ if(this._handleNode.hasClass(Dial.CSS_CLASSES.dragging) === false){
+ this._setTimesWrappedFromValue(val);
+ this._setNodeToFixedRadius(this._handleNode, false);
+ this._prevAng = this._getAngleFromValue(this.get('value'));
+ }
+ this._valueStringNode.setHTML(val.toFixed(this.get('decimalPlaces'))); // [#2530045]
+ this._handleNode.set('aria-valuenow', val);
+ this._handleNode.set('aria-valuetext', val);
+ this._setNodeToFixedRadius(this._markerNode, false);
+ if((val === this._maxValue) || (val === this._minValue)){
+ this._markerNode.addClass(Dial.CSS_CLASSES.markerMaxMin);
+ if(supportsVML === true){
+ this._markerNode.getElementsByTagName('fill').set('color', '#AB3232');
+ }
+ this._markerNode.removeClass(Dial.CSS_CLASSES.hidden);
+ }else{ // not max or min
+ if(supportsVML === true){
+ this._markerNode.getElementsByTagName('fill').set('color', '#000');
+ }
+ this._markerNode.removeClass(Dial.CSS_CLASSES.markerMaxMin);
+ if(this._handleNode.hasClass(Dial.CSS_CLASSES.dragging) === false){ // if not max || min, and not dragging handle, hide the marker
+ this._markerNode.addClass(Dial.CSS_CLASSES.hidden);
+ }
+ }
+ },
+
+ /**
+ * value attribute default validator. Verifies that
+ * the value being set lies between the min/max value
+ *
+ * @method _validateValue
+ * @param val {Number} value of the Dial
+ * @protected
+ */
+ _validateValue: function(val) {
+ var min = this.get("min"),
+ max = this.get("max");
+ return (Lang.isNumber(val) && val >= min && val <= max);
+ }
+ });
+ Y.Dial = Dial;
+
+
+}, '@VERSION@', {
+ "requires": [
+ "widget",
+ "dd-drag",
+ "event-mouseenter",
+ "event-move",
+ "event-key",
+ "transition",
+ "intl"
+ ],
+ "lang": [
+ "en",
+ "es",
+ "hu"
+ ],
+ "skinnable": true
+});