mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-11-21 11:04:24 +00:00
557 lines
14 KiB
JavaScript
557 lines
14 KiB
JavaScript
/*
|
|
* jQuery UI Slider @VERSION
|
|
*
|
|
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
|
|
* Dual licensed under the MIT (MIT-LICENSE.txt)
|
|
* and GPL (GPL-LICENSE.txt) licenses.
|
|
*
|
|
* http://docs.jquery.com/UI/Slider
|
|
*
|
|
* Depends:
|
|
* ui.core.js
|
|
*/
|
|
|
|
(function($) {
|
|
|
|
$.widget("ui.slider", $.extend({}, $.ui.mouse, {
|
|
|
|
_init: function() {
|
|
|
|
var self = this, o = this.options;
|
|
this._keySliding = false;
|
|
this._handleIndex = null;
|
|
this._detectOrientation();
|
|
this._mouseInit();
|
|
|
|
this.element
|
|
.addClass("ui-slider"
|
|
+ " ui-slider-" + this.orientation
|
|
+ " ui-widget"
|
|
+ " ui-widget-content"
|
|
+ " ui-corner-all");
|
|
|
|
this.range = $([]);
|
|
|
|
if (o.range) {
|
|
|
|
if (o.range === true) {
|
|
this.range = $('<div></div>');
|
|
if (!o.values) o.values = [this._valueMin(), this._valueMin()];
|
|
if (o.values.length && o.values.length != 2) {
|
|
o.values = [o.values[0], o.values[0]];
|
|
}
|
|
} else {
|
|
this.range = $('<div></div>');
|
|
}
|
|
|
|
this.range
|
|
.appendTo(this.element)
|
|
.addClass("ui-slider-range");
|
|
|
|
if (o.range == "min" || o.range == "max") {
|
|
this.range.addClass("ui-slider-range-" + o.range);
|
|
}
|
|
|
|
// note: this isn't the most fittingly semantic framework class for this element,
|
|
// but worked best visually with a variety of themes
|
|
this.range.addClass("ui-widget-header");
|
|
|
|
}
|
|
|
|
if ($(".ui-slider-handle", this.element).length == 0)
|
|
$('<a href="#"></a>')
|
|
.appendTo(this.element)
|
|
.addClass("ui-slider-handle");
|
|
|
|
if (o.values && o.values.length) {
|
|
while ($(".ui-slider-handle", this.element).length < o.values.length)
|
|
$('<a href="#"></a>')
|
|
.appendTo(this.element)
|
|
.addClass("ui-slider-handle");
|
|
}
|
|
|
|
this.handles = $(".ui-slider-handle", this.element)
|
|
.addClass("ui-state-default"
|
|
+ " ui-corner-all");
|
|
|
|
this.handle = this.handles.eq(0);
|
|
|
|
this.handles.add(this.range).filter("a")
|
|
.click(function(event) {
|
|
event.preventDefault();
|
|
})
|
|
.hover(function() {
|
|
if (!o.disabled) {
|
|
$(this).addClass('ui-state-hover');
|
|
}
|
|
}, function() {
|
|
$(this).removeClass('ui-state-hover');
|
|
})
|
|
.focus(function() {
|
|
if (!o.disabled) {
|
|
$(".ui-slider .ui-state-focus").removeClass('ui-state-focus'); $(this).addClass('ui-state-focus');
|
|
} else {
|
|
$(this).blur();
|
|
}
|
|
})
|
|
.blur(function() {
|
|
$(this).removeClass('ui-state-focus');
|
|
});
|
|
|
|
this.handles.each(function(i) {
|
|
$(this).data("index.ui-slider-handle", i);
|
|
});
|
|
|
|
this.handles.keydown(function(event) {
|
|
|
|
var ret = true;
|
|
|
|
var index = $(this).data("index.ui-slider-handle");
|
|
|
|
if (self.options.disabled)
|
|
return;
|
|
|
|
switch (event.keyCode) {
|
|
case $.ui.keyCode.HOME:
|
|
case $.ui.keyCode.END:
|
|
case $.ui.keyCode.UP:
|
|
case $.ui.keyCode.RIGHT:
|
|
case $.ui.keyCode.DOWN:
|
|
case $.ui.keyCode.LEFT:
|
|
ret = false;
|
|
if (!self._keySliding) {
|
|
self._keySliding = true;
|
|
$(this).addClass("ui-state-active");
|
|
self._start(event, index);
|
|
}
|
|
break;
|
|
}
|
|
|
|
var curVal, newVal, step = self._step();
|
|
if (self.options.values && self.options.values.length) {
|
|
curVal = newVal = self.values(index);
|
|
} else {
|
|
curVal = newVal = self.value();
|
|
}
|
|
|
|
switch (event.keyCode) {
|
|
case $.ui.keyCode.HOME:
|
|
newVal = self._valueMin();
|
|
break;
|
|
case $.ui.keyCode.END:
|
|
newVal = self._valueMax();
|
|
break;
|
|
case $.ui.keyCode.UP:
|
|
case $.ui.keyCode.RIGHT:
|
|
if(curVal == self._valueMax()) return;
|
|
newVal = curVal + step;
|
|
break;
|
|
case $.ui.keyCode.DOWN:
|
|
case $.ui.keyCode.LEFT:
|
|
if(curVal == self._valueMin()) return;
|
|
newVal = curVal - step;
|
|
break;
|
|
}
|
|
|
|
self._slide(event, index, newVal);
|
|
|
|
return ret;
|
|
|
|
}).keyup(function(event) {
|
|
|
|
var index = $(this).data("index.ui-slider-handle");
|
|
|
|
if (self._keySliding) {
|
|
self._stop(event, index);
|
|
self._change(event, index);
|
|
self._keySliding = false;
|
|
$(this).removeClass("ui-state-active");
|
|
}
|
|
|
|
});
|
|
|
|
this._refreshValue();
|
|
|
|
},
|
|
|
|
destroy: function() {
|
|
|
|
this.handles.remove();
|
|
this.range.remove();
|
|
|
|
this.element
|
|
.removeClass("ui-slider"
|
|
+ " ui-slider-horizontal"
|
|
+ " ui-slider-vertical"
|
|
+ " ui-slider-disabled"
|
|
+ " ui-widget"
|
|
+ " ui-widget-content"
|
|
+ " ui-corner-all")
|
|
.removeData("slider")
|
|
.unbind(".slider");
|
|
|
|
this._mouseDestroy();
|
|
|
|
return this;
|
|
},
|
|
|
|
_mouseCapture: function(event) {
|
|
|
|
var o = this.options;
|
|
|
|
if (o.disabled)
|
|
return false;
|
|
|
|
this.elementSize = {
|
|
width: this.element.outerWidth(),
|
|
height: this.element.outerHeight()
|
|
};
|
|
this.elementOffset = this.element.offset();
|
|
|
|
var position = { x: event.pageX, y: event.pageY };
|
|
var normValue = this._normValueFromMouse(position);
|
|
|
|
var distance = this._valueMax() - this._valueMin() + 1, closestHandle;
|
|
var self = this, index;
|
|
this.handles.each(function(i) {
|
|
var thisDistance = Math.abs(normValue - self.values(i));
|
|
if (distance > thisDistance) {
|
|
distance = thisDistance;
|
|
closestHandle = $(this);
|
|
index = i;
|
|
}
|
|
});
|
|
|
|
// workaround for bug #3736 (if both handles of a range are at 0,
|
|
// the first is always used as the one with least distance,
|
|
// and moving it is obviously prevented by preventing negative ranges)
|
|
if(o.range == true && this.values(1) == o.min) {
|
|
closestHandle = $(this.handles[++index]);
|
|
}
|
|
|
|
this._start(event, index);
|
|
|
|
self._handleIndex = index;
|
|
|
|
closestHandle
|
|
.addClass("ui-state-active")
|
|
.focus();
|
|
|
|
var offset = closestHandle.offset();
|
|
var mouseOverHandle = !$(event.target).parents().andSelf().is('.ui-slider-handle');
|
|
this._clickOffset = mouseOverHandle ? { left: 0, top: 0 } : {
|
|
left: event.pageX - offset.left - (closestHandle.width() / 2),
|
|
top: event.pageY - offset.top
|
|
- (closestHandle.height() / 2)
|
|
- (parseInt(closestHandle.css('borderTopWidth'),10) || 0)
|
|
- (parseInt(closestHandle.css('borderBottomWidth'),10) || 0)
|
|
+ (parseInt(closestHandle.css('marginTop'),10) || 0)
|
|
};
|
|
|
|
normValue = this._normValueFromMouse(position);
|
|
this._slide(event, index, normValue);
|
|
return true;
|
|
|
|
},
|
|
|
|
_mouseStart: function(event) {
|
|
return true;
|
|
},
|
|
|
|
_mouseDrag: function(event) {
|
|
|
|
var position = { x: event.pageX, y: event.pageY };
|
|
var normValue = this._normValueFromMouse(position);
|
|
|
|
this._slide(event, this._handleIndex, normValue);
|
|
|
|
return false;
|
|
|
|
},
|
|
|
|
_mouseStop: function(event) {
|
|
|
|
this.handles.removeClass("ui-state-active");
|
|
this._stop(event, this._handleIndex);
|
|
this._change(event, this._handleIndex);
|
|
this._handleIndex = null;
|
|
this._clickOffset = null;
|
|
|
|
return false;
|
|
|
|
},
|
|
|
|
_detectOrientation: function() {
|
|
this.orientation = this.options.orientation == 'vertical' ? 'vertical' : 'horizontal';
|
|
},
|
|
|
|
_normValueFromMouse: function(position) {
|
|
|
|
var pixelTotal, pixelMouse;
|
|
if ('horizontal' == this.orientation) {
|
|
pixelTotal = this.elementSize.width;
|
|
pixelMouse = position.x - this.elementOffset.left - (this._clickOffset ? this._clickOffset.left : 0);
|
|
} else {
|
|
pixelTotal = this.elementSize.height;
|
|
pixelMouse = position.y - this.elementOffset.top - (this._clickOffset ? this._clickOffset.top : 0);
|
|
}
|
|
|
|
var percentMouse = (pixelMouse / pixelTotal);
|
|
if (percentMouse > 1) percentMouse = 1;
|
|
if (percentMouse < 0) percentMouse = 0;
|
|
if ('vertical' == this.orientation)
|
|
percentMouse = 1 - percentMouse;
|
|
|
|
var valueTotal = this._valueMax() - this._valueMin(),
|
|
valueMouse = percentMouse * valueTotal,
|
|
valueMouseModStep = valueMouse % this.options.step,
|
|
normValue = this._valueMin() + valueMouse - valueMouseModStep;
|
|
|
|
if (valueMouseModStep > (this.options.step / 2))
|
|
normValue += this.options.step;
|
|
|
|
// Since JavaScript has problems with large floats, round
|
|
// the final value to 5 digits after the decimal point (see #4124)
|
|
return parseFloat(normValue.toFixed(5));
|
|
|
|
},
|
|
|
|
_start: function(event, index) {
|
|
var uiHash = {
|
|
handle: this.handles[index],
|
|
value: this.value()
|
|
};
|
|
if (this.options.values && this.options.values.length) {
|
|
uiHash.value = this.values(index)
|
|
uiHash.values = this.values()
|
|
}
|
|
this._trigger("start", event, uiHash);
|
|
},
|
|
|
|
_slide: function(event, index, newVal) {
|
|
|
|
var handle = this.handles[index];
|
|
|
|
if (this.options.values && this.options.values.length) {
|
|
|
|
var otherVal = this.values(index ? 0 : 1);
|
|
|
|
if ((index == 0 && newVal >= otherVal) || (index == 1 && newVal <= otherVal))
|
|
newVal = otherVal;
|
|
|
|
if (newVal != this.values(index)) {
|
|
var newValues = this.values();
|
|
newValues[index] = newVal;
|
|
// A slide can be canceled by returning false from the slide callback
|
|
var allowed = this._trigger("slide", event, {
|
|
handle: this.handles[index],
|
|
value: newVal,
|
|
values: newValues
|
|
});
|
|
var otherVal = this.values(index ? 0 : 1);
|
|
if (allowed !== false) {
|
|
this.values(index, newVal, ( event.type == 'mousedown' && this.options.animate ), true);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
if (newVal != this.value()) {
|
|
// A slide can be canceled by returning false from the slide callback
|
|
var allowed = this._trigger("slide", event, {
|
|
handle: this.handles[index],
|
|
value: newVal
|
|
});
|
|
if (allowed !== false) {
|
|
this._setData('value', newVal, ( event.type == 'mousedown' && this.options.animate ));
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
},
|
|
|
|
_stop: function(event, index) {
|
|
var uiHash = {
|
|
handle: this.handles[index],
|
|
value: this.value()
|
|
};
|
|
if (this.options.values && this.options.values.length) {
|
|
uiHash.value = this.values(index)
|
|
uiHash.values = this.values()
|
|
}
|
|
this._trigger("stop", event, uiHash);
|
|
},
|
|
|
|
_change: function(event, index) {
|
|
var uiHash = {
|
|
handle: this.handles[index],
|
|
value: this.value()
|
|
};
|
|
if (this.options.values && this.options.values.length) {
|
|
uiHash.value = this.values(index)
|
|
uiHash.values = this.values()
|
|
}
|
|
this._trigger("change", event, uiHash);
|
|
},
|
|
|
|
value: function(newValue) {
|
|
|
|
if (arguments.length) {
|
|
this._setData("value", newValue);
|
|
this._change(null, 0);
|
|
}
|
|
|
|
return this._value();
|
|
|
|
},
|
|
|
|
values: function(index, newValue, animated, noPropagation) {
|
|
|
|
if (arguments.length > 1) {
|
|
this.options.values[index] = newValue;
|
|
this._refreshValue(animated);
|
|
if(!noPropagation) this._change(null, index);
|
|
}
|
|
|
|
if (arguments.length) {
|
|
if (this.options.values && this.options.values.length) {
|
|
return this._values(index);
|
|
} else {
|
|
return this.value();
|
|
}
|
|
} else {
|
|
return this._values();
|
|
}
|
|
|
|
},
|
|
|
|
_setData: function(key, value, animated) {
|
|
|
|
$.widget.prototype._setData.apply(this, arguments);
|
|
|
|
switch (key) {
|
|
case 'disabled':
|
|
if (value) {
|
|
this.handles.filter(".ui-state-focus").blur();
|
|
this.handles.removeClass("ui-state-hover");
|
|
this.handles.attr("disabled", "disabled");
|
|
} else {
|
|
this.handles.removeAttr("disabled");
|
|
}
|
|
case 'orientation':
|
|
|
|
this._detectOrientation();
|
|
|
|
this.element
|
|
.removeClass("ui-slider-horizontal ui-slider-vertical")
|
|
.addClass("ui-slider-" + this.orientation);
|
|
this._refreshValue(animated);
|
|
break;
|
|
case 'value':
|
|
this._refreshValue(animated);
|
|
break;
|
|
}
|
|
|
|
},
|
|
|
|
_step: function() {
|
|
var step = this.options.step;
|
|
return step;
|
|
},
|
|
|
|
_value: function() {
|
|
|
|
var val = this.options.value;
|
|
if (val < this._valueMin()) val = this._valueMin();
|
|
if (val > this._valueMax()) val = this._valueMax();
|
|
|
|
return val;
|
|
|
|
},
|
|
|
|
_values: function(index) {
|
|
|
|
if (arguments.length) {
|
|
var val = this.options.values[index];
|
|
if (val < this._valueMin()) val = this._valueMin();
|
|
if (val > this._valueMax()) val = this._valueMax();
|
|
|
|
return val;
|
|
} else {
|
|
return this.options.values;
|
|
}
|
|
|
|
},
|
|
|
|
_valueMin: function() {
|
|
var valueMin = this.options.min;
|
|
return valueMin;
|
|
},
|
|
|
|
_valueMax: function() {
|
|
var valueMax = this.options.max;
|
|
return valueMax;
|
|
},
|
|
|
|
_refreshValue: function(animate) {
|
|
|
|
var oRange = this.options.range, o = this.options, self = this;
|
|
|
|
if (this.options.values && this.options.values.length) {
|
|
var vp0, vp1;
|
|
this.handles.each(function(i, j) {
|
|
var valPercent = (self.values(i) - self._valueMin()) / (self._valueMax() - self._valueMin()) * 100;
|
|
var _set = {}; _set[self.orientation == 'horizontal' ? 'left' : 'bottom'] = valPercent + '%';
|
|
$(this).stop(1,1)[animate ? 'animate' : 'css'](_set, o.animate);
|
|
if (self.options.range === true) {
|
|
if (self.orientation == 'horizontal') {
|
|
(i == 0) && self.range.stop(1,1)[animate ? 'animate' : 'css']({ left: valPercent + '%' }, o.animate);
|
|
(i == 1) && self.range[animate ? 'animate' : 'css']({ width: (valPercent - lastValPercent) + '%' }, { queue: false, duration: o.animate });
|
|
} else {
|
|
(i == 0) && self.range.stop(1,1)[animate ? 'animate' : 'css']({ bottom: (valPercent) + '%' }, o.animate);
|
|
(i == 1) && self.range[animate ? 'animate' : 'css']({ height: (valPercent - lastValPercent) + '%' }, { queue: false, duration: o.animate });
|
|
}
|
|
}
|
|
lastValPercent = valPercent;
|
|
});
|
|
} else {
|
|
var value = this.value(),
|
|
valueMin = this._valueMin(),
|
|
valueMax = this._valueMax(),
|
|
valPercent = valueMax != valueMin
|
|
? (value - valueMin) / (valueMax - valueMin) * 100
|
|
: 0;
|
|
var _set = {}; _set[self.orientation == 'horizontal' ? 'left' : 'bottom'] = valPercent + '%';
|
|
this.handle.stop(1,1)[animate ? 'animate' : 'css'](_set, o.animate);
|
|
|
|
(oRange == "min") && (this.orientation == "horizontal") && this.range.stop(1,1)[animate ? 'animate' : 'css']({ width: valPercent + '%' }, o.animate);
|
|
(oRange == "max") && (this.orientation == "horizontal") && this.range[animate ? 'animate' : 'css']({ width: (100 - valPercent) + '%' }, { queue: false, duration: o.animate });
|
|
(oRange == "min") && (this.orientation == "vertical") && this.range.stop(1,1)[animate ? 'animate' : 'css']({ height: valPercent + '%' }, o.animate);
|
|
(oRange == "max") && (this.orientation == "vertical") && this.range[animate ? 'animate' : 'css']({ height: (100 - valPercent) + '%' }, { queue: false, duration: o.animate });
|
|
}
|
|
|
|
}
|
|
|
|
}));
|
|
|
|
$.extend($.ui.slider, {
|
|
version: "@VERSION",
|
|
eventPrefix: "slide",
|
|
defaults: {
|
|
animate: false,
|
|
delay: 0,
|
|
distance: 0,
|
|
max: 100,
|
|
min: 0,
|
|
orientation: 'horizontal',
|
|
range: false,
|
|
step: 1,
|
|
value: 0,
|
|
values: null
|
|
}
|
|
});
|
|
|
|
})(jQuery);
|