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284 lines
9.7 KiB
284 lines
9.7 KiB
(function() {
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var iOSCheckbox;
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var __slice = Array.prototype.slice;
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iOSCheckbox = (function() {
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function iOSCheckbox(elem, options) {
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var key, opts, value;
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this.elem = $(elem);
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opts = $.extend({}, iOSCheckbox.defaults, options);
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for (key in opts) {
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value = opts[key];
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this[key] = value;
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}
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this.elem.data(this.dataName, this);
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this.wrapCheckboxWithDivs();
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this.attachEvents();
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this.disableTextSelection();
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if (this.resizeHandle) {
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this.optionallyResize('handle');
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}
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if (this.resizeContainer) {
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this.optionallyResize('container');
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}
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this.initialPosition();
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}
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iOSCheckbox.prototype.isDisabled = function() {
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return this.elem.is(':disabled');
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};
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iOSCheckbox.prototype.wrapCheckboxWithDivs = function() {
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this.elem.wrap("<div class='" + this.containerClass + "' />");
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this.container = this.elem.parent();
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this.offLabel = $("<label class='" + this.labelOffClass + "'>\n <span>" + this.uncheckedLabel + "</span>\n</label>").appendTo(this.container);
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this.offSpan = this.offLabel.children('span');
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this.onLabel = $("<label class='" + this.labelOnClass + "'>\n <span>" + this.checkedLabel + "</span>\n</label>").appendTo(this.container);
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this.onSpan = this.onLabel.children('span');
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return this.handle = $("<div class='" + this.handleClass + "'>\n <div class='" + this.handleRightClass + "'>\n <div class='" + this.handleCenterClass + "' />\n </div>\n</div>").appendTo(this.container);
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};
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iOSCheckbox.prototype.disableTextSelection = function() {
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if ($.browser.msie) {
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return $([this.handle, this.offLabel, this.onLabel, this.container]).attr("unselectable", "on");
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}
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};
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iOSCheckbox.prototype._getDimension = function(elem, dimension) {
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if ($.fn.actual != null) {
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return elem.actual(dimension);
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} else {
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return elem[dimension]();
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}
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};
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iOSCheckbox.prototype.optionallyResize = function(mode) {
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var newWidth, offLabelWidth, onLabelWidth;
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onLabelWidth = this._getDimension(this.onLabel, "width");
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offLabelWidth = this._getDimension(this.offLabel, "width");
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if (mode === "container") {
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newWidth = onLabelWidth > offLabelWidth ? onLabelWidth : offLabelWidth;
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newWidth += this._getDimension(this.handle, "width") + this.handleMargin;
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return this.container.css({
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width: newWidth
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});
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} else {
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newWidth = onLabelWidth > offLabelWidth ? onLabelWidth : offLabelWidth;
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return this.handle.css({
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width: newWidth
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});
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}
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};
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iOSCheckbox.prototype.onMouseDown = function(event) {
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var x;
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event.preventDefault();
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if (this.isDisabled()) {
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return;
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}
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x = event.pageX || event.originalEvent.changedTouches[0].pageX;
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iOSCheckbox.currentlyClicking = this.handle;
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iOSCheckbox.dragStartPosition = x;
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return iOSCheckbox.handleLeftOffset = parseInt(this.handle.css('left'), 10) || 0;
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};
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iOSCheckbox.prototype.onDragMove = function(event, x) {
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var newWidth, p;
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if (iOSCheckbox.currentlyClicking !== this.handle) {
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return;
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}
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p = (x + iOSCheckbox.handleLeftOffset - iOSCheckbox.dragStartPosition) / this.rightSide;
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if (p < 0) {
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p = 0;
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}
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if (p > 1) {
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p = 1;
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}
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newWidth = p * this.rightSide;
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this.handle.css({
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left: newWidth
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});
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this.onLabel.css({
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width: newWidth + this.handleRadius
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});
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this.offSpan.css({
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marginRight: -newWidth
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});
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return this.onSpan.css({
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marginLeft: -(1 - p) * this.rightSide
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});
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};
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iOSCheckbox.prototype.onDragEnd = function(event, x) {
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var p;
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if (iOSCheckbox.currentlyClicking !== this.handle) {
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return;
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}
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if (this.isDisabled()) {
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return;
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}
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if (iOSCheckbox.dragging) {
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p = (x - iOSCheckbox.dragStartPosition) / this.rightSide;
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this.elem.prop('checked', p >= 0.5);
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} else {
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this.elem.prop('checked', !this.elem.prop('checked'));
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}
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iOSCheckbox.currentlyClicking = null;
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iOSCheckbox.dragging = null;
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return this.didChange();
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};
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iOSCheckbox.prototype.refresh = function() {
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return this.didChange();
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};
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iOSCheckbox.prototype.didChange = function() {
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var new_left;
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if (typeof this.onChange === "function") {
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this.onChange(this.elem, this.elem.prop('checked'));
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}
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if (this.isDisabled()) {
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this.container.addClass(this.disabledClass);
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return false;
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} else {
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this.container.removeClass(this.disabledClass);
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}
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new_left = this.elem.prop('checked') ? this.rightSide : 0;
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this.handle.animate({
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left: new_left
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}, this.duration);
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this.onLabel.animate({
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width: new_left + this.handleRadius
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}, this.duration);
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this.offSpan.animate({
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marginRight: -new_left
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}, this.duration);
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return this.onSpan.animate({
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marginLeft: new_left - this.rightSide
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}, this.duration);
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};
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iOSCheckbox.prototype.attachEvents = function() {
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var localMouseMove, localMouseUp, self;
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self = this;
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localMouseMove = function(event) {
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return self.onGlobalMove.apply(self, arguments);
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};
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localMouseUp = function(event) {
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self.onGlobalUp.apply(self, arguments);
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$(document).unbind('mousemove touchmove', localMouseMove);
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return $(document).unbind('mouseup touchend', localMouseUp);
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};
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this.elem.change(function() {
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return self.refresh();
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});
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return this.container.bind('mousedown touchstart', function(event) {
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self.onMouseDown.apply(self, arguments);
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$(document).bind('mousemove touchmove', localMouseMove);
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return $(document).bind('mouseup touchend', localMouseUp);
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});
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};
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iOSCheckbox.prototype.initialPosition = function() {
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var containerWidth, offset;
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containerWidth = this._getDimension(this.container, "width");
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this.offLabel.css({
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width: containerWidth - this.containerRadius
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});
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offset = this.containerRadius + 1;
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if ($.browser.msie && $.browser.version < 7) {
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offset -= 3;
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}
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this.rightSide = containerWidth - this._getDimension(this.handle, "width") - offset;
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if (this.elem.is(':checked')) {
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this.handle.css({
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left: this.rightSide
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});
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this.onLabel.css({
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width: this.rightSide + this.handleRadius
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});
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this.offSpan.css({
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marginRight: -this.rightSide
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});
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} else {
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this.onLabel.css({
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width: 0
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});
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this.onSpan.css({
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marginLeft: -this.rightSide
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});
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}
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if (this.isDisabled()) {
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return this.container.addClass(this.disabledClass);
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}
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};
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iOSCheckbox.prototype.onGlobalMove = function(event) {
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var x;
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if (!(!this.isDisabled() && iOSCheckbox.currentlyClicking)) {
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return;
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}
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event.preventDefault();
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x = event.pageX || event.originalEvent.changedTouches[0].pageX;
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if (!iOSCheckbox.dragging && (Math.abs(iOSCheckbox.dragStartPosition - x) > this.dragThreshold)) {
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iOSCheckbox.dragging = true;
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}
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return this.onDragMove(event, x);
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};
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iOSCheckbox.prototype.onGlobalUp = function(event) {
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var x;
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if (!iOSCheckbox.currentlyClicking) {
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return;
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}
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event.preventDefault();
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x = event.pageX || event.originalEvent.changedTouches[0].pageX;
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this.onDragEnd(event, x);
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return false;
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};
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iOSCheckbox.defaults = {
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duration: 200,
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checkedLabel: 'ON',
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uncheckedLabel: 'OFF',
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resizeHandle: true,
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resizeContainer: true,
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disabledClass: 'iPhoneCheckDisabled',
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containerClass: 'iPhoneCheckContainer',
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labelOnClass: 'iPhoneCheckLabelOn',
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labelOffClass: 'iPhoneCheckLabelOff',
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handleClass: 'iPhoneCheckHandle',
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handleCenterClass: 'iPhoneCheckHandleCenter',
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handleRightClass: 'iPhoneCheckHandleRight',
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dragThreshold: 5,
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handleMargin: 15,
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handleRadius: 4,
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containerRadius: 5,
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dataName: "iphoneStyle",
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onChange: function() {}
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};
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return iOSCheckbox;
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})();
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$.iphoneStyle = this.iOSCheckbox = iOSCheckbox;
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$.fn.iphoneStyle = function() {
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var args, checkbox, dataName, existingControl, method, params, _i, _len, _ref, _ref2, _ref3, _ref4;
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args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
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dataName = (_ref = (_ref2 = args[0]) != null ? _ref2.dataName : void 0) != null ? _ref : iOSCheckbox.defaults.dataName;
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_ref3 = this.filter(':checkbox');
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for (_i = 0, _len = _ref3.length; _i < _len; _i++) {
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checkbox = _ref3[_i];
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existingControl = $(checkbox).data(dataName);
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if (existingControl != null) {
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method = args[0], params = 2 <= args.length ? __slice.call(args, 1) : [];
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if ((_ref4 = existingControl[method]) != null) {
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_ref4.apply(existingControl, params);
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}
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} else {
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new iOSCheckbox(checkbox, args[0]);
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}
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}
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return this;
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};
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$.fn.iOSCheckbox = function(options) {
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var opts;
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if (options == null) {
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options = {};
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}
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opts = $.extend({}, options, {
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resizeHandle: false,
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disabledClass: 'iOSCheckDisabled',
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containerClass: 'iOSCheckContainer',
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labelOnClass: 'iOSCheckLabelOn',
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labelOffClass: 'iOSCheckLabelOff',
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handleClass: 'iOSCheckHandle',
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handleCenterClass: 'iOSCheckHandleCenter',
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handleRightClass: 'iOSCheckHandleRight',
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dataName: 'iOSCheckbox'
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});
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return this.iphoneStyle(opts);
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};
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}).call(this);
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