mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-11-21 11:04:24 +00:00
455 lines
15 KiB
JavaScript
455 lines
15 KiB
JavaScript
/*
|
|
* jQuery UI Slider
|
|
*
|
|
* Copyright (c) 2008 Paul Bakaus
|
|
* 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($) {
|
|
|
|
$.fn.unwrap = $.fn.unwrap || function(expr) {
|
|
return this.each(function(){
|
|
$(this).parents(expr).eq(0).after(this).remove();
|
|
});
|
|
};
|
|
|
|
$.widget("ui.slider", {
|
|
plugins: {},
|
|
ui: function(e) {
|
|
return {
|
|
options: this.options,
|
|
handle: this.currentHandle,
|
|
value: this.options.axis != "both" || !this.options.axis ? Math.round(this.value(null,this.options.axis == "vertical" ? "y" : "x")) : {
|
|
x: Math.round(this.value(null,"x")),
|
|
y: Math.round(this.value(null,"y"))
|
|
},
|
|
range: this.getRange()
|
|
};
|
|
},
|
|
propagate: function(n,e) {
|
|
$.ui.plugin.call(this, n, [e, this.ui()]);
|
|
this.element.triggerHandler(n == "slide" ? n : "slide"+n, [e, this.ui()], this.options[n]);
|
|
},
|
|
destroy: function() {
|
|
|
|
this.element
|
|
.removeClass("ui-slider ui-slider-disabled")
|
|
.removeData("slider")
|
|
.unbind(".slider");
|
|
|
|
if(this.handle && this.handle.length) {
|
|
this.handle
|
|
.unwrap("a");
|
|
this.handle.each(function() {
|
|
$(this).data("mouse").mouseDestroy();
|
|
});
|
|
}
|
|
|
|
this.generated && this.generated.remove();
|
|
|
|
},
|
|
setData: function(key, value) {
|
|
$.widget.prototype.setData.apply(this, arguments);
|
|
if (/min|max|steps/.test(key)) {
|
|
this.initBoundaries();
|
|
}
|
|
|
|
if(key == "range") {
|
|
value ? this.handle.length == 2 && this.createRange() : this.removeRange();
|
|
}
|
|
|
|
},
|
|
|
|
init: function() {
|
|
|
|
var self = this;
|
|
this.element.addClass("ui-slider");
|
|
this.initBoundaries();
|
|
|
|
// Initialize mouse and key events for interaction
|
|
this.handle = $(this.options.handle, this.element);
|
|
if (!this.handle.length) {
|
|
self.handle = self.generated = $(self.options.handles || [0]).map(function() {
|
|
var handle = $("<div/>").addClass("ui-slider-handle").appendTo(self.element);
|
|
if (this.id)
|
|
handle.attr("id", this.id);
|
|
return handle[0];
|
|
});
|
|
}
|
|
|
|
|
|
var handleclass = function(el) {
|
|
this.element = $(el);
|
|
this.element.data("mouse", this);
|
|
this.options = self.options;
|
|
|
|
this.element.bind("mousedown", function() {
|
|
if(self.currentHandle) this.blur(self.currentHandle);
|
|
self.focus(this,1);
|
|
});
|
|
|
|
this.mouseInit();
|
|
};
|
|
|
|
$.extend(handleclass.prototype, $.ui.mouse, {
|
|
mouseStart: function(e) { return self.start.call(self, e, this.element[0]); },
|
|
mouseStop: function(e) { return self.stop.call(self, e, this.element[0]); },
|
|
mouseDrag: function(e) { return self.drag.call(self, e, this.element[0]); },
|
|
mouseCapture: function() { return true; },
|
|
trigger: function(e) { this.mouseDown(e); }
|
|
});
|
|
|
|
|
|
$(this.handle)
|
|
.each(function() {
|
|
new handleclass(this);
|
|
})
|
|
.wrap('<a href="javascript:void(0)" style="outline:none;border:none;"></a>')
|
|
.parent()
|
|
.bind('focus', function(e) { self.focus(this.firstChild); })
|
|
.bind('blur', function(e) { self.blur(this.firstChild); })
|
|
.bind('keydown', function(e) { if(!self.options.noKeyboard) self.keydown(e.keyCode, this.firstChild); })
|
|
;
|
|
|
|
// Bind the click to the slider itself
|
|
this.element.bind('mousedown.slider', function(e) {
|
|
self.click.apply(self, [e]);
|
|
self.currentHandle.data("mouse").trigger(e);
|
|
self.firstValue = self.firstValue + 1; //This is for always triggering the change event
|
|
});
|
|
|
|
// Move the first handle to the startValue
|
|
$.each(this.options.handles || [], function(index, handle) {
|
|
self.moveTo(handle.start, index, true);
|
|
});
|
|
if (!isNaN(this.options.startValue))
|
|
this.moveTo(this.options.startValue, 0, true);
|
|
|
|
this.previousHandle = $(this.handle[0]); //set the previous handle to the first to allow clicking before selecting the handle
|
|
if(this.handle.length == 2 && this.options.range) this.createRange();
|
|
},
|
|
initBoundaries: function() {
|
|
|
|
var element = this.element[0], o = this.options;
|
|
this.actualSize = { width: this.element.outerWidth() , height: this.element.outerHeight() };
|
|
|
|
$.extend(o, {
|
|
axis: o.axis || (element.offsetWidth < element.offsetHeight ? 'vertical' : 'horizontal'),
|
|
max: !isNaN(parseInt(o.max,10)) ? { x: parseInt(o.max, 10), y: parseInt(o.max, 10) } : ({ x: o.max && o.max.x || 100, y: o.max && o.max.y || 100 }),
|
|
min: !isNaN(parseInt(o.min,10)) ? { x: parseInt(o.min, 10), y: parseInt(o.min, 10) } : ({ x: o.min && o.min.x || 0, y: o.min && o.min.y || 0 })
|
|
});
|
|
//Prepare the real maxValue
|
|
o.realMax = {
|
|
x: o.max.x - o.min.x,
|
|
y: o.max.y - o.min.y
|
|
};
|
|
//Calculate stepping based on steps
|
|
o.stepping = {
|
|
x: o.stepping && o.stepping.x || parseInt(o.stepping, 10) || (o.steps ? o.realMax.x/(o.steps.x || parseInt(o.steps, 10) || o.realMax.x) : 0),
|
|
y: o.stepping && o.stepping.y || parseInt(o.stepping, 10) || (o.steps ? o.realMax.y/(o.steps.y || parseInt(o.steps, 10) || o.realMax.y) : 0)
|
|
};
|
|
},
|
|
|
|
|
|
keydown: function(keyCode, handle) {
|
|
var k = keyCode;
|
|
if(/(33|34|35|36|37|38|39|40)/.test(k)) {
|
|
var o = this.options, xpos, ypos;
|
|
if (/(35|36)/.test(k)) {
|
|
xpos = (k == 35) ? o.max.x : o.min.x;
|
|
ypos = (k == 35) ? o.max.y : o.min.y;
|
|
} else {
|
|
var oper = /(34|37|40)/.test(k) ? "-=" : "+=";
|
|
var step = /(37|38|39|40)/.test(k) ? "oneStep" : "pageStep";
|
|
xpos = oper + this[step]("x");
|
|
ypos = oper + this[step]("y");
|
|
}
|
|
this.moveTo({
|
|
x: xpos,
|
|
y: ypos
|
|
}, handle);
|
|
}
|
|
},
|
|
focus: function(handle,hard) {
|
|
this.currentHandle = $(handle).addClass('ui-slider-handle-active');
|
|
if (hard)
|
|
this.currentHandle.parent()[0].focus();
|
|
},
|
|
blur: function(handle) {
|
|
$(handle).removeClass('ui-slider-handle-active');
|
|
if(this.currentHandle && this.currentHandle[0] == handle) { this.previousHandle = this.currentHandle; this.currentHandle = null; };
|
|
},
|
|
click: function(e) {
|
|
// This method is only used if:
|
|
// - The user didn't click a handle
|
|
// - The Slider is not disabled
|
|
// - There is a current, or previous selected handle (otherwise we wouldn't know which one to move)
|
|
|
|
var pointer = [e.pageX,e.pageY];
|
|
|
|
var clickedHandle = false;
|
|
this.handle.each(function() {
|
|
if(this == e.target)
|
|
clickedHandle = true;
|
|
});
|
|
if (clickedHandle || this.options.disabled || !(this.currentHandle || this.previousHandle))
|
|
return;
|
|
|
|
// If a previous handle was focussed, focus it again
|
|
if (!this.currentHandle && this.previousHandle)
|
|
this.focus(this.previousHandle, true);
|
|
|
|
// propagate only for distance > 0, otherwise propagation is done my drag
|
|
this.offset = this.element.offset();
|
|
|
|
this.moveTo({
|
|
y: this.convertValue(e.pageY - this.offset.top - this.currentHandle[0].offsetHeight/2, "y"),
|
|
x: this.convertValue(e.pageX - this.offset.left - this.currentHandle[0].offsetWidth/2, "x")
|
|
}, null, !this.options.distance);
|
|
},
|
|
|
|
|
|
|
|
createRange: function() {
|
|
if(this.rangeElement) return;
|
|
this.rangeElement = $('<div></div>')
|
|
.addClass('ui-slider-range')
|
|
.css({ position: 'absolute' })
|
|
.appendTo(this.element);
|
|
this.updateRange();
|
|
},
|
|
removeRange: function() {
|
|
this.rangeElement.remove();
|
|
this.rangeElement = null;
|
|
},
|
|
updateRange: function() {
|
|
var prop = this.options.axis == "vertical" ? "top" : "left";
|
|
var size = this.options.axis == "vertical" ? "height" : "width";
|
|
this.rangeElement.css(prop, (parseInt($(this.handle[0]).css(prop),10) || 0) + this.handleSize(0, this.options.axis == "vertical" ? "y" : "x")/2);
|
|
this.rangeElement.css(size, (parseInt($(this.handle[1]).css(prop),10) || 0) - (parseInt($(this.handle[0]).css(prop),10) || 0));
|
|
},
|
|
getRange: function() {
|
|
return this.rangeElement ? this.convertValue(parseInt(this.rangeElement.css(this.options.axis == "vertical" ? "height" : "width"),10), this.options.axis == "vertical" ? "y" : "x") : null;
|
|
},
|
|
|
|
handleIndex: function() {
|
|
return this.handle.index(this.currentHandle[0]);
|
|
},
|
|
value: function(handle, axis) {
|
|
if(this.handle.length == 1) this.currentHandle = this.handle;
|
|
if(!axis) axis = this.options.axis == "vertical" ? "y" : "x";
|
|
|
|
var curHandle = $(handle != undefined && handle !== null ? this.handle[handle] || handle : this.currentHandle);
|
|
|
|
if(curHandle.data("mouse").sliderValue) {
|
|
return parseInt(curHandle.data("mouse").sliderValue[axis],10);
|
|
} else {
|
|
return parseInt(((parseInt(curHandle.css(axis == "x" ? "left" : "top"),10) / (this.actualSize[axis == "x" ? "width" : "height"] - this.handleSize(handle,axis))) * this.options.realMax[axis]) + this.options.min[axis],10);
|
|
}
|
|
|
|
},
|
|
convertValue: function(value,axis) {
|
|
return this.options.min[axis] + (value / (this.actualSize[axis == "x" ? "width" : "height"] - this.handleSize(null,axis))) * this.options.realMax[axis];
|
|
},
|
|
|
|
translateValue: function(value,axis) {
|
|
return ((value - this.options.min[axis]) / this.options.realMax[axis]) * (this.actualSize[axis == "x" ? "width" : "height"] - this.handleSize(null,axis));
|
|
},
|
|
translateRange: function(value,axis) {
|
|
if (this.rangeElement) {
|
|
if (this.currentHandle[0] == this.handle[0] && value >= this.translateValue(this.value(1),axis))
|
|
value = this.translateValue(this.value(1,axis) - this.oneStep(axis), axis);
|
|
if (this.currentHandle[0] == this.handle[1] && value <= this.translateValue(this.value(0),axis))
|
|
value = this.translateValue(this.value(0,axis) + this.oneStep(axis), axis);
|
|
}
|
|
if (this.options.handles) {
|
|
var handle = this.options.handles[this.handleIndex()];
|
|
if (value < this.translateValue(handle.min,axis)) {
|
|
value = this.translateValue(handle.min,axis);
|
|
} else if (value > this.translateValue(handle.max,axis)) {
|
|
value = this.translateValue(handle.max,axis);
|
|
}
|
|
}
|
|
return value;
|
|
},
|
|
translateLimits: function(value,axis) {
|
|
if (value >= this.actualSize[axis == "x" ? "width" : "height"] - this.handleSize(null,axis))
|
|
value = this.actualSize[axis == "x" ? "width" : "height"] - this.handleSize(null,axis);
|
|
if (value <= 0)
|
|
value = 0;
|
|
return value;
|
|
},
|
|
handleSize: function(handle,axis) {
|
|
return $(handle != undefined && handle !== null ? this.handle[handle] : this.currentHandle)[0]["offset"+(axis == "x" ? "Width" : "Height")];
|
|
},
|
|
oneStep: function(axis) {
|
|
return this.options.stepping[axis] || 1;
|
|
},
|
|
pageStep: function(axis) {
|
|
return /* this.options.paging[axis] ||*/ 10;
|
|
},
|
|
|
|
|
|
start: function(e, handle) {
|
|
|
|
var o = this.options;
|
|
if(o.disabled) return false;
|
|
|
|
// Prepare the outer size
|
|
this.actualSize = { width: this.element.outerWidth() , height: this.element.outerHeight() };
|
|
|
|
// This is a especially ugly fix for strange blur events happening on mousemove events
|
|
if (!this.currentHandle)
|
|
this.focus(this.previousHandle, true);
|
|
|
|
this.offset = this.element.offset();
|
|
|
|
this.handleOffset = this.currentHandle.offset();
|
|
this.clickOffset = { top: e.pageY - this.handleOffset.top, left: e.pageX - this.handleOffset.left };
|
|
|
|
this.firstValue = this.value();
|
|
|
|
this.propagate('start', e);
|
|
this.drag(e, handle);
|
|
return true;
|
|
|
|
},
|
|
stop: function(e) {
|
|
this.propagate('stop', e);
|
|
if (this.firstValue != this.value())
|
|
this.propagate('change', e);
|
|
// This is a especially ugly fix for strange blur events happening on mousemove events
|
|
this.focus(this.currentHandle, true);
|
|
return false;
|
|
},
|
|
drag: function(e, handle) {
|
|
|
|
var o = this.options;
|
|
var position = { top: e.pageY - this.offset.top - this.clickOffset.top, left: e.pageX - this.offset.left - this.clickOffset.left};
|
|
if(!this.currentHandle) this.focus(this.previousHandle, true); //This is a especially ugly fix for strange blur events happening on mousemove events
|
|
|
|
position.left = this.translateLimits(position.left, "x");
|
|
position.top = this.translateLimits(position.top, "y");
|
|
|
|
if (o.stepping.x) {
|
|
var value = this.convertValue(position.left, "x");
|
|
value = Math.round(value / o.stepping.x) * o.stepping.x;
|
|
position.left = this.translateValue(value, "x");
|
|
}
|
|
if (o.stepping.y) {
|
|
var value = this.convertValue(position.top, "y");
|
|
value = Math.round(value / o.stepping.y) * o.stepping.y;
|
|
position.top = this.translateValue(value, "y");
|
|
}
|
|
|
|
position.left = this.translateRange(position.left, "x");
|
|
position.top = this.translateRange(position.top, "y");
|
|
|
|
if(o.axis != "vertical") this.currentHandle.css({ left: position.left });
|
|
if(o.axis != "horizontal") this.currentHandle.css({ top: position.top });
|
|
|
|
//Store the slider's value
|
|
this.currentHandle.data("mouse").sliderValue = {
|
|
x: Math.round(this.convertValue(position.left, "x")) || 0,
|
|
y: Math.round(this.convertValue(position.top, "y")) || 0
|
|
};
|
|
|
|
if (this.rangeElement)
|
|
this.updateRange();
|
|
this.propagate('slide', e);
|
|
return false;
|
|
},
|
|
|
|
moveTo: function(value, handle, noPropagation) {
|
|
|
|
var o = this.options;
|
|
|
|
// Prepare the outer size
|
|
this.actualSize = { width: this.element.outerWidth() , height: this.element.outerHeight() };
|
|
|
|
//If no handle has been passed, no current handle is available and we have multiple handles, return false
|
|
if (handle == undefined && !this.currentHandle && this.handle.length != 1)
|
|
return false;
|
|
|
|
//If only one handle is available, use it
|
|
if (handle == undefined && !this.currentHandle)
|
|
handle = 0;
|
|
|
|
if (handle != undefined)
|
|
this.currentHandle = this.previousHandle = $(this.handle[handle] || handle);
|
|
|
|
|
|
if(value.x !== undefined && value.y !== undefined) {
|
|
var x = value.x, y = value.y;
|
|
} else {
|
|
var x = value, y = value;
|
|
}
|
|
|
|
if(x !== undefined && x.constructor != Number) {
|
|
var me = /^\-\=/.test(x), pe = /^\+\=/.test(x);
|
|
if(me || pe) {
|
|
x = this.value(null, "x") + parseInt(x.replace(me ? '=' : '+=', ''), 10);
|
|
} else {
|
|
x = isNaN(parseInt(x, 10)) ? undefined : parseInt(x, 10);
|
|
}
|
|
}
|
|
|
|
if(y !== undefined && y.constructor != Number) {
|
|
var me = /^\-\=/.test(y), pe = /^\+\=/.test(y);
|
|
if(me || pe) {
|
|
y = this.value(null, "y") + parseInt(y.replace(me ? '=' : '+=', ''), 10);
|
|
} else {
|
|
y = isNaN(parseInt(y, 10)) ? undefined : parseInt(y, 10);
|
|
}
|
|
}
|
|
|
|
if(o.axis != "vertical" && x !== undefined) {
|
|
if(o.stepping.x) x = Math.round(x / o.stepping.x) * o.stepping.x;
|
|
x = this.translateValue(x, "x");
|
|
x = this.translateLimits(x, "x");
|
|
x = this.translateRange(x, "x");
|
|
|
|
o.animate ? this.currentHandle.stop().animate({ left: x }, (Math.abs(parseInt(this.currentHandle.css("left")) - x)) * (!isNaN(parseInt(o.animate)) ? o.animate : 5)) : this.currentHandle.css({ left: x });
|
|
}
|
|
|
|
if(o.axis != "horizontal" && y !== undefined) {
|
|
if(o.stepping.y) y = Math.round(y / o.stepping.y) * o.stepping.y;
|
|
y = this.translateValue(y, "y");
|
|
y = this.translateLimits(y, "y");
|
|
y = this.translateRange(y, "y");
|
|
o.animate ? this.currentHandle.stop().animate({ top: y }, (Math.abs(parseInt(this.currentHandle.css("top")) - y)) * (!isNaN(parseInt(o.animate)) ? o.animate : 5)) : this.currentHandle.css({ top: y });
|
|
}
|
|
|
|
if (this.rangeElement)
|
|
this.updateRange();
|
|
|
|
//Store the slider's value
|
|
this.currentHandle.data("mouse").sliderValue = {
|
|
x: Math.round(this.convertValue(x, "x")) || 0,
|
|
y: Math.round(this.convertValue(y, "y")) || 0
|
|
};
|
|
|
|
if (!noPropagation) {
|
|
this.propagate('start', null);
|
|
this.propagate('stop', null);
|
|
this.propagate('change', null);
|
|
this.propagate("slide", null);
|
|
}
|
|
}
|
|
});
|
|
|
|
$.ui.slider.getter = "value";
|
|
|
|
$.ui.slider.defaults = {
|
|
handle: ".ui-slider-handle",
|
|
distance: 1,
|
|
animate: false
|
|
};
|
|
|
|
})(jQuery);
|