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Element.js
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Element.js
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define(
["Ti/_/browser", "Ti/_/css", "Ti/_/declare", "Ti/_/dom", "Ti/_/event", "Ti/_/lang", "Ti/_/style", "Ti/_/Evented",
"Ti/UI", "Ti/_/Gestures/DoubleTap","Ti/_/Gestures/LongPress","Ti/_/Gestures/Pinch","Ti/_/Gestures/SingleTap",
"Ti/_/Gestures/Swipe","Ti/_/Gestures/TouchCancel","Ti/_/Gestures/TouchEnd","Ti/_/Gestures/TouchMove",
"Ti/_/Gestures/TouchStart","Ti/_/Gestures/TwoFingerTap"],
function(browser, css, declare, dom, event, lang, style, Evented, UI,
DoubleTap, LongPress, Pinch, SingleTap, Swipe, TouchCancel, TouchEnd,
TouchMove, TouchStart, TwoFingerTap) {
var unitize = dom.unitize,
computeSize = dom.computeSize,
on = require.on,
setStyle = style.set,
isDef = lang.isDef,
val = lang.val,
is = require.is,
transitionEvents = {
webkit: "webkitTransitionEnd",
trident: "msTransitionEnd",
gecko: "transitionend",
presto: "oTransitionEnd"
},
transitionEnd = transitionEvents[browser.runtime] || "transitionEnd",
curves = ["ease", "ease-in", "ease-in-out", "ease-out", "linear"],
postDoBackground = {
post: "_doBackground"
},
postLayoutProp = {
set: function(value, oldValue) {
if (value !== oldValue) {
!this._batchUpdateInProgress && this._triggerLayout();
}
return value;
},
post: function() {
function isPercent(value) {
return /%$/.test("" + value);
}
var centerX = this.center && this.center.x,
centerY = this.center && this.center.y;
this._isDependentOnParent = !!(isPercent(this.width) || isPercent(this.height) || isPercent(this.top) || isPercent(this.bottom) ||
isPercent(this.left) || isPercent(this.right) || isPercent(centerX) || isPercent(centerY) ||
this._hasFillWidth() || this._hasFillHeight() ||
(!isDef(this.left) && !isDef(centerX) && !isDef(this.right) && this._parent && this._parent._layout._defaultHorizontalAlignment !== "left") ||
(!isDef(this.top) && !isDef(centerY) && !isDef(this.bottom) && this._parent && this._parent._layout._defaultVerticalAlignment !== "top"));
}
};
function getInheritedWidth(node) {
var nodeParent = node._parent,
parentWidth;
if (nodeParent) {
parentWidth = lang.val(nodeParent.width,nodeParent._defaultWidth);
return parentWidth === UI.INHERIT ? getInheritedWidth(nodeParent) : parentWidth;
}
}
function getInheritedHeight(node) {
var nodeParent = node._parent,
parentHeight;
if (nodeParent) {
parentHeight = lang.val(nodeParent.height,nodeParent._defaultHeight);
return parentHeight === UI.INHERIT ? getInheritedHeight(nodeParent) : parentHeight;
}
}
return declare("Ti._.UI.Element", Evented, {
domType: null,
domNode: null,
_alive: 1,
constructor: function(args) {
var self = this,
node = this.domNode = this._setFocusNode(dom.create(this.domType || "div", {
className: "TiUIElement " + css.clean(this.declaredClass),
"data-widget-id": this.widgetId
})),
// Handle click/touch/gestures
recognizers = this._gestureRecognizers = {
Pinch: new Pinch,
Swipe: new Swipe,
TwoFingerTap: new TwoFingerTap,
DoubleTap: new DoubleTap,
LongPress: new LongPress,
SingleTap: new SingleTap,
TouchStart: new TouchStart,
TouchEnd: new TouchEnd,
TouchMove: new TouchMove,
TouchCancel: new TouchCancel
},
// Each event could require a slightly different precedence of execution, which is why we have these separate lists.
// For now they are the same, but I suspect they will be different once the android-iphone parity is determined.
touchRecognizers = {
Start: recognizers,
Move: recognizers,
End: recognizers,
Cancel: recognizers
},
useTouch = "ontouchstart" in window,
bg = lang.hitch(this, "_doBackground");
require.has("devmode") && args && args._debug && dom.attr.set(node, "data-debug", args._debug);
function processTouchEvent(eventType, evt) {
var i,
gestureRecognizers = touchRecognizers[eventType],
eventType = "Touch" + eventType + "Event",
touches = evt.changedTouches;
if (this._preventDefaultTouchEvent) {
this._preventDefaultTouchEvent && evt.preventDefault && evt.preventDefault();
for (i in touches) {
touches[i].preventDefault && touches[i].preventDefault();
}
}
useTouch || require.mix(evt, {
touches: evt.type === "mouseup" ? [] : [evt],
targetTouches: [],
changedTouches: [evt]
});
for (i in gestureRecognizers) {
gestureRecognizers[i]["process" + eventType](evt, self);
}
for (i in gestureRecognizers) {
gestureRecognizers[i]["finalize" + eventType]();
}
}
this._touching = false;
on(this.domNode, useTouch ? "touchstart" : "mousedown", function(evt){
var handles = [
on(window, useTouch ? "touchmove" : "mousemove", function(evt){
(useTouch || self._touching) && processTouchEvent("Move", evt);
}),
on(window, useTouch ? "touchend" : "mouseup", function(evt){
self._touching = false;
processTouchEvent("End", evt);
event.off(handles);
}),
useTouch && on(window, "touchcancel", function(evt){
processTouchEvent("Cancel", evt);
event.off(handles);
})
];
self._touching = true;
processTouchEvent("Start", evt);
});
this.addEventListener("touchstart", bg);
this.addEventListener("touchend", bg);
// TODO: mixin JSS rules (http://jira.appcelerator.org/browse/TIMOB-6780)
var values = this.constants.__values__;
values.size = {
x: 0,
y: 0,
width: 0,
height: 0
};
values.rect = {
x: 0,
y: 0,
width: 0,
height: 0
};
},
_setParent: function(view) {
this._parent = view;
},
_add: function(view) {
view._setParent(this);
this.children.push(view);
this.containerNode.appendChild(view.domNode);
view._hasBeenLaidOut = false;
this._triggerLayout(this._isAttachedToActiveWin());
},
_insertAt: function(view,index) {
if (index > this.children.length || index < 0) {
return;
} else if (index === this.children.length) {
this.add(view);
} else {
view._parent = this;
this.containerNode.insertBefore(view.domNode,this.children[index].domNode);
this.children.splice(index,0,view);
this._triggerLayout();
}
},
_remove: function(view) {
var p = this.children.indexOf(view);
if (p !== -1) {
this.children.splice(p, 1);
view._setParent();
dom.detach(view.domNode);
this._triggerLayout();
}
},
_removeAllChildren: function(view) {
var children = this.children;
while (children.length) {
this.remove(children[0]);
}
this._triggerLayout();
},
destroy: function() {
if (this._alive) {
this._parent && this._parent._remove(this);
if (this.domNode) {
dom.destroy(this.domNode);
this.domNode = null;
}
}
Evented.destroy.apply(this, arguments);
},
_markedForLayout: false,
_isAttachedToActiveWin: function() {
// If this element is not attached to an active window, skip the calculation
var isAttachedToActiveWin = false,
node = this;
while(node) {
if (node === UI._container) {
isAttachedToActiveWin = true;
break;
}
node = node._parent;
}
return isAttachedToActiveWin;
},
_triggerLayout: function(force) {
this._isAttachedToActiveWin() && (!this._batchUpdateInProgress || force) && UI._triggerLayout(this, force);
},
_hasSizeDimensions: function() {
return (this.width === UI.SIZE || (!isDef(this.width) && this._defaultWidth === UI.SIZE)) ||
(this.height === UI.SIZE || (!isDef(this.height) && this._defaultHeight === UI.SIZE));
},
_hasFillWidth: function() {
var width = this.width;
if (isDef(width)) {
if (width === UI.INHERIT) {
return getInheritedWidth(this) === UI.FILL;
}
return width === UI.FILL;
}
if (isDef(this.left) + isDef(this.right) + !!(this.center && isDef(this.center.x)) > 1) {
return false;
}
if (this._defaultWidth === UI.FILL) {
return true;
}
if (this._defaultWidth === UI.INHERIT) {
return getInheritedWidth(this) === UI.FILL;
}
},
_hasFillHeight: function() {
var height = this.height;
if (isDef(height)) {
if (height === UI.INHERIT) {
return getInheritedHeight(this) === UI.FILL;
}
return height === UI.FILL;
}
if (isDef(this.top) + isDef(this.bottom) + !!(this.center && isDef(this.center.y)) > 1) {
return false;
}
if (this._defaultHeight === UI.FILL) {
return true;
}
if (this._defaultHeight === UI.INHERIT) {
return getInheritedHeight(this) === UI.FILL;
}
},
_hasBeenLaidOut: false,
_isDependentOnParent: true,
startLayout: function() {
this._batchUpdateInProgress = true;
},
finishLayout: function() {
this._batchUpdateInProgress = false;
UI._triggerLayout(this, true);
},
updateLayout: function(params) {
this.startLayout();
for(var i in params) {
this[i] = params[i];
}
this.finishLayout();
},
_layoutParams: {
origin: {
x: 0,
y: 0
},
isParentSize: {
width: 0,
height: 0
},
boundingSize: {
width: 0,
height: 0
},
alignment: {
horizontal: "center",
vertical: "center"
}
},
_doLayout: function(params) {
this._layoutParams = params;
var dimensions = this._computeDimensions({
layoutParams: params,
position: {
left: this.left,
top: this.top,
right: this.right,
bottom: this.bottom,
center: this.center
},
size: {
width: this.width,
height: this.height
},
layoutChildren: params.layoutChildren
});
if (params.positionElement) {
UI._elementLayoutCount++;
// Set and store the dimensions
var styles = {
zIndex: this.zIndex | 0
};
styles.left = unitize(this._measuredLeft = dimensions.left);
styles.top = unitize(this._measuredTop = dimensions.top);
styles.width = unitize(this._measuredWidth = dimensions.width);
styles.height = unitize(this._measuredHeight = dimensions.height);
this._measuredRightPadding = dimensions.rightPadding;
this._measuredBottomPadding = dimensions.bottomPadding;
this._measuredBorderSize = dimensions.borderSize;
this._measuredEffectiveWidth = dimensions.effectiveWidth;
this._measuredEffectiveHeight = dimensions.effectiveHeight;
setStyle(this.domNode, styles);
this._markedForLayout = false;
this._hasBeenLaidOut = true;
// Recompute the gradient, if it exists
this.backgroundGradient && this._computeGradient();
this.fireEvent("postlayout");
}
return dimensions;
},
_computeDimensions: function(params) {
var layoutParams = params.layoutParams,
boundingWidth = layoutParams.boundingSize.width,
boundingHeight = layoutParams.boundingSize.height,
position = params.position,
size = params.size,
// Compute as many sizes as possible, should be everything except SIZE values for width and height and undefined values
left = computeSize(position.left, boundingWidth, 1),
top = computeSize(position.top, boundingHeight, 1),
originalRight = computeSize(position.right, boundingWidth),
originalBottom = computeSize(position.bottom, boundingHeight),
centerX = position.center && computeSize(position.center.x, boundingWidth, 1),
centerY = position.center && computeSize(position.center.y, boundingHeight, 1),
width = computeSize(size.width === UI.INHERIT ? getInheritedWidth(this) : size.width, boundingWidth),
height = computeSize(size.height === UI.INHERIT ? getInheritedHeight(this) : size.height, boundingHeight),
// Convert right/bottom coordinates to be with respect to (0,0)
right = layoutParams.rightIsMargin ? void 0 : isDef(originalRight) ? (boundingWidth - originalRight) : void 0,
bottom = layoutParams.bottomIsMargin ? void 0 : isDef(originalBottom) ? (boundingHeight - originalBottom) : void 0,
// Calculate the "padding"
rightPadding = is(originalRight,"Number") ? originalRight : 0,
bottomPadding = is(originalBottom,"Number") ? originalBottom : 0,
origin = layoutParams.origin;
is(width,"Number") && (width = Math.max(width,0));
is(height,"Number") && (height = Math.max(height,0));
// Unfortunately css precidence doesn't match the titanium, so we have to handle precedence and default setting ourselves
var defaultWidth = this._defaultWidth;
if (isDef(width)) {
if (isDef(left)) {
right = void 0;
} else if (isDef(centerX)){
if (width === UI.SIZE) {
left = "calculateDefault";
} else {
left = centerX - width / 2;
right = void 0;
}
} else if (!isDef(right)){
// Set the default position
left = "calculateDefault";
}
} else {
if (isDef(centerX)) {
if (isDef(left)) {
width = (centerX - left) * 2;
right = void 0;
} else if (isDef(right)) {
width = (right - centerX) * 2;
} else {
// Set the default width
width = computeSize(defaultWidth === UI.INHERIT ? getInheritedWidth(this) : defaultWidth, boundingWidth);
}
} else {
if (!isDef(left) || !isDef(right)) {
width = computeSize(defaultWidth === UI.INHERIT ? getInheritedWidth(this) : defaultWidth, boundingWidth);
if(!isDef(left) && !isDef(right)) {
// Set the default position
left = "calculateDefault";
}
}
}
}
var defaultHeight = this._defaultHeight;
if (isDef(height)) {
if (isDef(top)) {
bottom = void 0;
} else if (isDef(centerY)){
if(height === UI.SIZE) {
top = "calculateDefault";
} else {
top = centerY - height / 2;
bottom = void 0;
}
} else if (!isDef(bottom)) {
// Set the default position
top = "calculateDefault";
}
} else {
if (isDef(centerY)) {
if (isDef(top)) {
height = (centerY - top) * 2;
bottom = void 0;
} else if (isDef(bottom)) {
height = (bottom - centerY) * 2;
} else {
// Set the default height
height = computeSize(defaultHeight === UI.INHERIT ? getInheritedHeight(this) : defaultHeight, boundingHeight);
}
} else {
if (!isDef(top) || !isDef(bottom)) {
// Set the default height
height = computeSize(defaultHeight === UI.INHERIT ? getInheritedHeight(this) : defaultHeight, boundingHeight);
if(!isDef(top) && !isDef(bottom)) {
// Set the default position
top = "calculateDefault";
}
}
}
}
// Calculate the border
function getValue(value) {
var value = parseInt(computedStyle[value]);
return isNaN(value) ? 0 : value;
}
var computedStyle = window.getComputedStyle(this.domNode),
borderSize = {
left: getValue("border-left-width") + getValue("padding-left"),
top: getValue("border-top-width") + getValue("padding-top"),
right: getValue("border-right-width") + getValue("padding-right"),
bottom: getValue("border-bottom-width") + getValue("padding-bottom")
};
function constrainValue(value, minValue, maxValue) {
return (isDef(minValue) && minValue > value ? minValue : // Apply the min width
isDef(maxValue) && maxValue < value ? maxValue : value); // Apply the max width
}
// Calculate the width/left properties if width is NOT SIZE
var calculateWidthAfterChildren = false,
calculateHeightAfterChildren = false;
if (width === UI.SIZE) {
calculateWidthAfterChildren = true;
} else {
if (width === UI.FILL) {
if (isDef(left)) {
left === "calculateDefault" && (left = 0);
width = boundingWidth - left - rightPadding;
} else if (isDef(right)) {
width = right;
}
} else if (isDef(right)) {
if (isDef(left)) {
width = right - left;
} else {
left = right - width;
}
}
width = constrainValue(width, this._minWidth, this._maxWidth) - borderSize.left - borderSize.right;
}
if (height === UI.SIZE) {
calculateHeightAfterChildren = true;
} else {
if (height === UI.FILL) {
if (isDef(top)) {
top === "calculateDefault" && (top = 0);
height = boundingHeight - top - bottomPadding;
} else if (isDef(bottom)) {
height = bottom;
}
} else if (isDef(bottom)) {
if (isDef(top)) {
height = bottom - top;
} else {
top = bottom - height;
}
}
height = constrainValue(height, this._minHeight, this._maxHeight) - borderSize.top - borderSize.bottom;
}
if (this._getContentSize) {
var contentSize = this._getContentSize();
width === UI.SIZE && (width = contentSize.width);
height === UI.SIZE && (height = contentSize.height);
} else {
var computedSize;
if (params.layoutChildren) {
computedSize = this._layout._doLayout(this,is(width,"Number") ? width : boundingWidth,is(height,"Number") ? height : boundingHeight, !is(width,"Number"), !is(height,"Number"));
} else {
computedSize = this._layout._computedSize;
}
width === UI.SIZE && (width = constrainValue(computedSize.width, this._minWidth, this._maxWidth));
height === UI.SIZE && (height = constrainValue(computedSize.height, this._minHeight, this._maxHeight));
}
if (calculateWidthAfterChildren) {
if (isDef(right) && !isDef(left)) {
left = right - width;
}
}
if (calculateHeightAfterChildren) {
if (isDef(bottom) && !isDef(top)) {
top = bottom - height;
}
}
// Set the default top/left if need be
if (left === "calculateDefault") {
if (!layoutParams.isParentSize.width) {
switch(layoutParams.alignment.horizontal) {
case "center": left = computeSize("50%",boundingWidth) - borderSize.left - (is(width,"Number") ? width : 0) / 2; break;
case "right": left = boundingWidth - borderSize.left - borderSize.right - (is(width,"Number") ? width : 0) / 2; break;
default: left = 0; // left
}
} else {
left = 0;
}
}
if (top === "calculateDefault") {
if (!layoutParams.isParentSize.height) {
switch(layoutParams.alignment.vertical) {
case "center": top = computeSize("50%",boundingHeight) - borderSize.top - (is(height,"Number") ? height : 0) / 2; break;
case "bottom": top = boundingWidth - borderSize.top - borderSize.bottom - (is(height,"Number") ? height : 0) / 2; break;
default: top = 0; // top
}
} else {
top = 0;
}
}
return {
effectiveWidth: left + width + rightPadding + borderSize.left + borderSize.right,
effectiveHeight: top + height + bottomPadding + borderSize.top + borderSize.bottom,
left: Math.round(left + origin.x),
top: Math.round(top + origin.y),
rightPadding: Math.round(rightPadding),
bottomPadding: Math.round(bottomPadding),
width: Math.round(Math.max(width,0)),
height: Math.round(Math.max(height,0)),
borderSize: borderSize
};
},
convertPointToView: function(point, destinationView) {
// Make sure that both nodes are connected to the root
if (!this._isAttachedToActiveWin() || !destinationView._isAttachedToActiveWin()) {
return null;
}
if (!point || !is(point.x,"Number") || !is(point.y,"Number")) {
throw new Error("Invalid point");
}
if (!destinationView.domNode) {
throw new Error("Invalid destination view");
}
function getAbsolutePosition(node, point, additive) {
var x = point.x,
y = point.y,
multiplier = (additive ? 1 : -1);
while(node) {
x += multiplier * node.domNode.offsetLeft;
y += multiplier * node.domNode.offsetTop;
node = node._parent;
}
return {x: x, y: y};
}
// Find this node's location relative to the root
return getAbsolutePosition(destinationView,getAbsolutePosition(this,point,true),false);
},
// This method returns the offset of the content relative to the parent's location.
// This is useful for controls like ScrollView that can move the children around relative to itself.
_getContentOffset: function(){
return {x: 0, y: 0};
},
_computeGradient: function() {
var backgroundGradient = this.backgroundGradient;
colors = backgroundGradient.colors,
type = backgroundGradient.type,
cssVal = type + "-gradient(";
// Convert common units to absolute
var startPointX = computeSize(backgroundGradient.startPoint.x, this._measuredWidth),
startPointY = computeSize(backgroundGradient.startPoint.y, this._measuredHeight),
centerX = computeSize("50%", this._measuredWidth),
centerY = computeSize("50%", this._measuredHeight),
numColors = colors.length;
if (type === "linear") {
// Convert linear specific values to absolute
var endPointX = computeSize(backgroundGradient.endPoint.x, this._measuredWidth),
endPointY = computeSize(backgroundGradient.endPoint.y, this._measuredHeight);
var userGradientStart,
userGradientEnd;
if (Math.abs(startPointX - endPointX) < 0.01) {
// Vertical gradient shortcut
if (startPointY < endPointY) {
userGradientStart = startPointY;
userGradientEnd = endPointY;
cssVal += "270deg";
} else {
userGradientStart = endPointY;
userGradientEnd = startPointY;
cssVal += "90deg";
}
} else if(Math.abs(startPointY - endPointY) < 0.01) {
// Horizontal gradient shortcut
if (startPointX < endPointX) {
userGradientStart = startPointX;
userGradientEnd = endPointX;
cssVal += "0deg";
} else {
userGradientStart = endPointX;
userGradientEnd = startPointX;
cssVal += "180deg";
}
}else {
// Rearrange values so that start is to the left of end
var mirrorGradient = false;
if (startPointX > endPointX) {
mirrorGradient = true;
var temp = startPointX;
startPointX = endPointX;
endPointX = temp;
temp = startPointY;
startPointY = endPointY;
endPointY = temp;
}
// Compute the angle, start location, and end location of the gradient
var angle = Math.atan2(endPointY - startPointY, endPointX - startPointX)
tanAngle = Math.tan(angle),
cosAngle = Math.cos(angle),
originLineIntersection = centerY - centerX * tanAngle;
userDistance = (startPointY - startPointX * tanAngle - originLineIntersection) * cosAngle,
userXOffset = userDistance * Math.sin(angle),
userYOffset = userDistance * cosAngle,
startPointX = startPointX + userXOffset,
startPointY = startPointY - userYOffset,
endPointX = endPointX + userXOffset,
endPointY = endPointY - userYOffset,
shiftedAngle = Math.PI / 2 - angle;
if (angle > 0) {
var globalGradientStartDistance = originLineIntersection * Math.sin(shiftedAngle),
globalGradientStartOffsetX = -globalGradientStartDistance * Math.cos(shiftedAngle),
globalGradientStartOffsetY = globalGradientStartDistance * Math.sin(shiftedAngle);
userGradientStart = Math.sqrt(Math.pow(startPointX - globalGradientStartOffsetX,2) + Math.pow(startPointY - globalGradientStartOffsetY,2));
userGradientEnd = Math.sqrt(Math.pow(endPointX - globalGradientStartOffsetX,2) + Math.pow(endPointY - globalGradientStartOffsetY,2));
} else {
var globalGradientStartDistance = (this._measuredHeight - originLineIntersection) * Math.sin(shiftedAngle),
globalGradientStartOffsetX = -globalGradientStartDistance * Math.cos(shiftedAngle),
globalGradientStartOffsetY = this._measuredHeight - globalGradientStartDistance * Math.sin(shiftedAngle);
userGradientStart = Math.sqrt(Math.pow(startPointX - globalGradientStartOffsetX,2) + Math.pow(startPointY - globalGradientStartOffsetY,2));
userGradientEnd = Math.sqrt(Math.pow(endPointX - globalGradientStartOffsetX,2) + Math.pow(endPointY - globalGradientStartOffsetY,2));
}
// Set the angle info for the gradient
angle = mirrorGradient ? angle + Math.PI : angle;
cssVal += Math.round((360 * (2 * Math.PI - angle) / (2 * Math.PI))) + "deg";
}
// Calculate the color stops
for (var i = 0; i < numColors; i++) {
var color = colors[i];
if (is(color,"String")) {
color = { color: color };
}
if (!is(color.offset,"Number")) {
color.offset = i / (numColors - 1);
}
cssVal += "," + color.color + " " + Math.round(computeSize(100 * color.offset + "%", userGradientEnd - userGradientStart) + userGradientStart) + "px";
}
} else if (type === "radial") {
// Convert radial specific values to absolute
var radiusTotalLength = Math.min(this._measuredWidth,this._measuredHeight),
startRadius = computeSize(backgroundGradient.startRadius, radiusTotalLength),
endRadius = computeSize(backgroundGradient.endRadius, radiusTotalLength);
var colorList = [],
mirrorGradient = false;
if (startRadius > endRadius) {
var temp = startRadius;
startRadius = endRadius;
endRadius = temp;
mirrorGradient = true;
for (var i = 0; i <= (numColors - 2) / 2; i++) {
var mirroredPosition = numColors - i - 1;
colorList[i] = colors[mirroredPosition],
colorList[mirroredPosition] = colors[i];
}
if (numColors % 2 === 1) {
var middleIndex = Math.floor(numColors / 2);
colorList[middleIndex] = colors[middleIndex];
}
} else {
for (var i = 0; i < numColors; i++) {
colorList[i] = colors[i];
}
}
cssVal += startPointX + "px " + startPointY + "px";
// Calculate the color stops
for (var i = 0; i < numColors; i++) {
var color = colorList[i];
if (is(color,"String")) {
color = { color: color };
}
var offset;
if (!is(color.offset,"Number")) {
offset = i / (numColors - 1);
} else {
offset = mirrorGradient ? numColors % 2 === 1 && i === Math.floor(numColors / 2) ? color.offset : 1 - color.offset : color.offset;
}
cssVal += "," + color.color + " " + Math.round(computeSize(100 * offset + "%", endRadius - startRadius) + startRadius) + "px";
}
}
cssVal += ")";
require.each(require.config.vendorPrefixes.css, lang.hitch(this,function(vendorPrefix) {
setStyle(this.domNode, "backgroundImage", vendorPrefix + cssVal);
}));
},
_preventDefaultTouchEvent: true,
_isGestureBlocked: function(gesture) {
for (var recognizer in this._gestureRecognizers) {
var blockedGestures = this._gestureRecognizers[recognizer].blocking;
for (var blockedGesture in blockedGestures) {
if (gesture === blockedGestures[blockedGesture]) {
return true;
}
}
}
return false;
},
_handleTouchEvent: function(type, e) {
this.enabled && this.fireEvent(type, e);
},
_defaultBackgroundColor: void 0,
_defaultBackgroundImage: void 0,
_defaultBackgroundDisabledColor: void 0,
_defaultBackgroundDisabledImage: void 0,
_defaultBackgroundFocusedColor: void 0,
_defaultBackgroundFocusedImage: void 0,
_defaultBackgroundSelectedColor: void 0,
_defaultBackgroundSelectedImage: void 0,
_doBackground: function(evt) {
var evt = evt || {},
m = (evt.type || "").match(/mouse(over|out)/),
node = this.domNode,
bi = this.backgroundImage || this._defaultBackgroundImage || "none",
bc = this.backgroundColor || this._defaultBackgroundColor;
if (this._touching) {
bc = this.backgroundSelectedColor || this._defaultBackgroundSelectedColor || bc;
bi = this.backgroundSelectedImage || this._defaultBackgroundSelectedImage || bi;
}
m && (this._over = m[1] === "over");
if (!this._touching && this.focusable && this._over) {
bc = this.backgroundFocusedColor || this._defaultBackgroundFocusedColor || bc;
bi = this.backgroundFocusedImage || this._defaultBackgroundFocusedImage || bi;
}
if (!this.enabled) {
bc = this.backgroundDisabledColor || this._defaultBackgroundDisabledColor || bc;
bi = this.backgroundDisabledImage || this._defaultBackgroundDisabledImage || bi;
}
!this.backgroundGradient && setStyle(node, {
backgroundColor: bc || (bi && bi !== "none" ? "transparent" : ""),
backgroundImage: style.url(bi)
});
},
_setFocusNode: function(node) {
var f = this._focus = this._focus || {};
if (f.node !== node) {
if (f.node) {
event.off(f.evts);
event.off(f.evtsMore);
}
f.node = node;
f.evts = [
on(node, "focus", this, "_doBackground"),
on(node, "blur", this, "_doBackground") /*,
on(node, "mouseover", this, function() {
this._doBackground();
f.evtsMore = [
on(node, "mousemove", this, "_doBackground"),
on(node, "mouseout", this, function() {
this._doBackground();
event.off(f.evtsMore);
f.evtsMore = [];
})
];
})*/
];
}
return node;
},
show: function() {
this.visible = true;
},
hide: function() {
this.visible = false;
},
animate: function(anim, callback) {
var anim = anim || {},
curve = curves[anim.curve] || "ease",
fn = lang.hitch(this, function() {
var transformCss = "";
// Set the color and opacity properties
anim.backgroundColor !== void 0 && (this.backgroundColor = anim.backgroundColor);
anim.opacity !== void 0 && setStyle(this.domNode, "opacity", anim.opacity);
setStyle(this.domNode, "display", anim.visible !== void 0 && !anim.visible ? "none" : "");
// Set the position and size properties
if (!["left", "top", "right", "bottom", "center", "width", "height"].every(function(v) { return !isDef(anim[v]); })) {
// TODO set border width here
var dimensions = this._computeDimensions({
layoutParams: this._layoutParams,
position: {
left: val(anim.left, this.left),
top: val(anim.top, this.top),
right: val(anim.right, this.right),
bottom: val(anim.bottom, this.bottom),
center: anim.center || this.center
},
size: {
width: val(anim.width, this.width),
height: val(anim.height, this.height)
},
layoutChildren: false
});
setStyle(this.domNode, {
left: unitize(dimensions.left),
top: unitize(dimensions.top),
width: unitize(dimensions.width),
height: unitize(dimensions.height),
borderLeftWidth: unitize(dimensions.borderSize.left),
borderTopWidth: unitize(dimensions.borderSize.top),
borderRightWidth: unitize(dimensions.borderSize.right),
borderBottomWidth: unitize(dimensions.borderSize.bottom)
});
}
// Set the z-order
!isDef(anim.zIndex) && setStyle(this.domNode, "zIndex", anim.zIndex);
// Set the transform properties
if (anim.transform) {
this._curTransform = this._curTransform ? this._curTransform.multiply(anim.transform) : anim.transform;
transformCss = this._curTransform.toCSS();
}
setStyle(this.domNode, "transform", transformCss);
});
anim.duration = anim.duration || 0;
anim.delay = anim.delay || 0;
anim.transform && setStyle(this.domNode, "transform", "");
anim.start && anim.start();
if (anim.duration > 0) {
// Create the transition, must be set before setting the other properties
setStyle(this.domNode, "transition", "all " + anim.duration + "ms " + curve + (anim.delay ? " " + anim.delay + "ms" : ""));
on.once(window, transitionEnd, lang.hitch(this, function(e) {
if (!this._destroyed) {
// Clear the transform so future modifications in these areas are not animated
setStyle(this.domNode, "transition", "");
is(anim.complete, "Function") && anim.complete();
is(callback, "Function") && callback();
}
}));
setTimeout(fn, 0);
} else {
fn();
is(anim.complete, "Function") && anim.complete();
is(callback, "Function") && callback();
}
},
_setTouchEnabled: function(value) {
setStyle(this.domNode, "pointerEvents", value ? "auto" : "none");
if (!value) {
for (var i in this.children) {
this.children[i]._setTouchEnabled(value);
}
}
},
_measuredLeft: 0,
_measuredTop: 0,
_measuredRightPadding: 0,
_measuredBottomPadding: 0,
_measuredWidth: 0,
_measuredHeight: 0,
_measuredBorderSize: {