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/**
* __PrimeFaces InputSwitch Widget__
*
* InputSwitch is used to select a boolean value.
*
* @prop {JQuery} handle The DOM element for the handle that lets the user change the state of this input switch by
* dragging it.
* @prop {JQuery} input The DOM element for the hidden input field storing the current value of this widget.
* @prop {number} offset Offset to the left of all switch parts, depends on the handler width.
* @prop {JQuery} offContainer The DOM element for the container with the elements for displaying the off state.
* @prop {JQuery} offLabel The DOM element for the label with the text for when this input switch is turned off.
* @prop {JQuery} onContainer The DOM element for the container with the elements for displaying the on state.
* @prop {JQuery} onLabel The DOM element for the label with the text for when this input switch is turned on.
*
* @interface {PrimeFaces.widget.InputSwitchCfg} cfg The configuration for the {@link InputSwitch| InputSwitch widget}.
* You can access this configuration via {@link PrimeFaces.widget.BaseWidget.cfg|BaseWidget.cfg}. Please note that this
* configuration is usually meant to be read-only and should not be modified.
* @extends {PrimeFaces.widget.DeferredWidgetCfg} cfg
*/
PrimeFaces.widget.InputSwitch = PrimeFaces.widget.DeferredWidget.extend({
/**
* @override
* @inheritdoc
* @param {PrimeFaces.PartialWidgetCfg} cfg
*/
init: function(cfg) {
this._super(cfg);
this.onContainer = this.jq.children('.ui-inputswitch-on');
this.onLabel = this.onContainer.children('span');
this.offContainer = this.jq.children('.ui-inputswitch-off');
this.offLabel = this.offContainer.children('span');
this.handle = this.jq.children('.ui-inputswitch-handle');
this.input = $(this.jqId + '_input');
this.renderDeferred();
},
/**
* @include
* @override
* @protected
* @inheritdoc
*/
_render: function() {
var onContainerWidth = this.onContainer.width(),
offContainerWidth = this.offContainer.width(),
spanPadding = this.offLabel.innerWidth() - this.offLabel.width(),
handleMargins = this.handle.outerWidth() - this.handle.innerWidth();
var containerWidth = (onContainerWidth > offContainerWidth) ? onContainerWidth : offContainerWidth,
handleWidth = containerWidth;
this.handle.css({'width':handleWidth + 'px'});
handleWidth = this.handle.width();
containerWidth = containerWidth + handleWidth + 6;
var labelWidth = containerWidth - handleWidth - spanPadding - handleMargins;
this.jq.css({'width': containerWidth + 'px' });
this.onLabel.width(labelWidth);
this.offLabel.width(labelWidth);
//position
this.offContainer.css({ width: (this.jq.width() - 5) + 'px' });
this.offset = this.jq.width() - this.handle.outerWidth();
if(this.input.prop('checked')) {
this.handle.css({ 'left': this.offset + 'px'});
this.onContainer.css({ 'width': this.offset + 'px'});
this.offLabel.css({ 'margin-right': -this.offset + 'px'});
}
else {
this.onContainer.css({ 'width': '0px' });
this.onLabel.css({'margin-left': -this.offset + 'px'});
}
if(!this.input.prop('disabled')) {
this._bindEvents();
}
},
/**
* Sets up all event listeners required by this widget.
* @private
*/
_bindEvents: function() {
var $this = this;
this.jq.on('click.inputSwitch', function(e) {
$this.toggle();
$this.input.trigger('focus');
});
this.input.on('focus.inputSwitch', function(e) {
$this.handle.addClass('ui-state-focus');
})
.on('blur.inputSwitch', function(e) {
$this.handle.removeClass('ui-state-focus');
})
.on('keydown.inputSwitch', function(e) {
if(e.key === ' ') {
e.preventDefault();
}
})
.on('keyup.inputSwitch', function(e) {
if(e.key === ' ') {
$this.toggle();
e.preventDefault();
}
})
.on('change.inputSwitch', function(e) {
if($this.input.prop('checked'))
$this._checkUI();
else
$this._uncheckUI();
});
this.handle.on("mouseover", function() {
if(!$this.jq.hasClass('ui-state-disabled')) {
$(this).addClass('ui-state-hover');
}
}).on("mouseout", function() {
if(!$this.jq.hasClass('ui-state-disabled')) {
$(this).removeClass('ui-state-hover');
}
});
},
/**
* Toggles this input switch, i.e. switch it from on to off or from off to on.
*/
toggle: function() {
if(this.input.prop('checked'))
this.uncheck();
else
this.check();
},
/**
* Turns this input switch on, if not already switched on.
*/
check: function() {
this.input.prop('checked', true).trigger('change');
this.jq.addClass('ui-inputswitch-checked');
},
/**
* Turns this input switch off, if not already switched off.
*/
uncheck: function() {
this.input.prop('checked', false).trigger('change');
this.jq.removeClass('ui-inputswitch-checked');
},
/**
* Performs the UI updates for when this input switch is turned on, such as animating the transition.
* @private
*/
_checkUI: function() {
this.onContainer.animate({width:this.offset}, 200);
this.onLabel.animate({marginLeft:0}, 200);
this.offLabel.animate({marginRight:-this.offset}, 200);
this.handle.animate({left:this.offset}, 200);
},
/**
* Performs the UI updates for when this input switch is turned off, such as animating the transition.
* @private
*/
_uncheckUI: function() {
this.onContainer.animate({width:0}, 200);
this.onLabel.animate({marginLeft:-this.offset}, 200);
this.offLabel.animate({marginRight:0}, 200);
this.handle.animate({left:0}, 200);
},
/**
* Disables this input so that the user cannot enter a value anymore.
*/
disable: function() {
PrimeFaces.utils.disableInputWidget(this.jq, this.input);
},
/**
* Enables this input so that the user can enter a value.
*/
enable: function() {
PrimeFaces.utils.enableInputWidget(this.jq, this.input);
}
});
