-// script.aculo.us slider.js v1.8.0, Tue Nov 06 15:01:40 +0300 2007
+// script.aculo.us slider.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009
-// Copyright (c) 2005-2007 Marty Haught, Thomas Fuchs
+// Copyright (c) 2005-2009 Marty Haught, Thomas Fuchs
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/
Control.Slider = Class.create({
initialize: function(handle, track, options) {
var slider = this;
-
+
if (Object.isArray(handle)) {
this.handles = handle.collect( function(e) { return $(e) });
} else {
this.handles = [$(handle)];
}
-
+
this.track = $(track);
this.options = options || { };
this.increment = this.options.increment || 1;
this.step = parseInt(this.options.step || '1');
this.range = this.options.range || $R(0,1);
-
+
this.value = 0; // assure backwards compat
this.values = this.handles.map( function() { return 0 });
this.spans = this.options.spans ? this.options.spans.map(function(s){ return $(s) }) : false;
// Will be used to align the handle onto the track, if necessary
this.alignX = parseInt(this.options.alignX || '0');
this.alignY = parseInt(this.options.alignY || '0');
-
+
this.trackLength = this.maximumOffset() - this.minimumOffset();
- this.handleLength = this.isVertical() ?
- (this.handles[0].offsetHeight != 0 ?
- this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) :
- (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth :
+ this.handleLength = this.isVertical() ?
+ (this.handles[0].offsetHeight != 0 ?
+ this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) :
+ (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth :
this.handles[0].style.width.replace(/px$/,""));
this.active = false;
this.handles.each( function(h,i) {
i = slider.handles.length-1-i;
slider.setValue(parseFloat(
- (Object.isArray(slider.options.sliderValue) ?
- slider.options.sliderValue[i] : slider.options.sliderValue) ||
+ (Object.isArray(slider.options.sliderValue) ?
+ slider.options.sliderValue[i] : slider.options.sliderValue) ||
slider.range.start), i);
h.makePositioned().observe("mousedown", slider.eventMouseDown);
});
-
+
this.track.observe("mousedown", this.eventMouseDown);
document.observe("mouseup", this.eventMouseUp);
document.observe("mousemove", this.eventMouseMove);
-
+
this.initialized = true;
},
dispose: function() {
- var slider = this;
+ var slider = this;
Event.stopObserving(this.track, "mousedown", this.eventMouseDown);
Event.stopObserving(document, "mouseup", this.eventMouseUp);
Event.stopObserving(document, "mousemove", this.eventMouseMove);
},
setEnabled: function(){
this.disabled = false;
- },
+ },
getNearestValue: function(value){
if (this.allowedValues){
if (value >= this.allowedValues.max()) return(this.allowedValues.max());
if (value <= this.allowedValues.min()) return(this.allowedValues.min());
-
+
var offset = Math.abs(this.allowedValues[0] - value);
var newValue = this.allowedValues[0];
this.allowedValues.each( function(v) {
if (currentOffset <= offset){
newValue = v;
offset = currentOffset;
- }
+ }
});
return newValue;
}
sliderValue = this.getNearestValue(sliderValue);
this.values[handleIdx] = sliderValue;
this.value = this.values[0]; // assure backwards compat
-
- this.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] =
+
+ this.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] =
this.translateToPx(sliderValue);
-
+
this.drawSpans();
if (!this.dragging || !this.event) this.updateFinished();
},
setValueBy: function(delta, handleIdx) {
- this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta,
+ this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta,
handleIdx || this.activeHandleIdx || 0);
},
translateToPx: function(value) {
return Math.round(
- ((this.trackLength-this.handleLength)/(this.range.end-this.range.start)) *
+ ((this.trackLength-this.handleLength)/(this.range.end-this.range.start)) *
(value - this.range.start)) + "px";
},
translateToValue: function(offset) {
- return ((offset/(this.trackLength-this.handleLength) *
+ return ((offset/(this.trackLength-this.handleLength) *
(this.range.end-this.range.start)) + this.range.start);
},
getRange: function(range) {
- var v = this.values.sortBy(Prototype.K);
+ var v = this.values.sortBy(Prototype.K);
range = range || 0;
return $R(v[range],v[range+1]);
},
return(this.isVertical() ? this.alignY : this.alignX);
},
maximumOffset: function(){
- return(this.isVertical() ?
+ return(this.isVertical() ?
(this.track.offsetHeight != 0 ? this.track.offsetHeight :
- this.track.style.height.replace(/px$/,"")) - this.alignY :
- (this.track.offsetWidth != 0 ? this.track.offsetWidth :
+ this.track.style.height.replace(/px$/,"")) - this.alignY :
+ (this.track.offsetWidth != 0 ? this.track.offsetWidth :
this.track.style.width.replace(/px$/,"")) - this.alignX);
- },
+ },
isVertical: function(){
return (this.axis == 'vertical');
},
this.setSpan(this.options.startSpan,
$R(0, this.values.length>1 ? this.getRange(0).min() : this.value ));
if (this.options.endSpan)
- this.setSpan(this.options.endSpan,
+ this.setSpan(this.options.endSpan,
$R(this.values.length>1 ? this.getRange(this.spans.length-1).max() : this.value, this.maximum));
},
setSpan: function(span, range) {
if (Event.isLeftClick(event)) {
if (!this.disabled){
this.active = true;
-
+
var handle = Event.element(event);
var pointer = [Event.pointerX(event), Event.pointerY(event)];
var track = handle;
if (track==this.track) {
- var offsets = Position.cumulativeOffset(this.track);
+ var offsets = this.track.cumulativeOffset();
this.event = event;
- this.setValue(this.translateToValue(
+ this.setValue(this.translateToValue(
(this.isVertical() ? pointer[1]-offsets[1] : pointer[0]-offsets[0])-(this.handleLength/2)
));
- var offsets = Position.cumulativeOffset(this.activeHandle);
+ var offsets = this.activeHandle.cumulativeOffset();
this.offsetX = (pointer[0] - offsets[0]);
this.offsetY = (pointer[1] - offsets[1]);
} else {
// find the handle (prevents issues with Safari)
- while((this.handles.indexOf(handle) == -1) && handle.parentNode)
+ while((this.handles.indexOf(handle) == -1) && handle.parentNode)
handle = handle.parentNode;
-
+
if (this.handles.indexOf(handle)!=-1) {
this.activeHandle = handle;
this.activeHandleIdx = this.handles.indexOf(this.activeHandle);
this.updateStyles();
-
- var offsets = Position.cumulativeOffset(this.activeHandle);
+
+ var offsets = this.activeHandle.cumulativeOffset();
this.offsetX = (pointer[0] - offsets[0]);
this.offsetY = (pointer[1] - offsets[1]);
}
},
draw: function(event) {
var pointer = [Event.pointerX(event), Event.pointerY(event)];
- var offsets = Position.cumulativeOffset(this.track);
+ var offsets = this.track.cumulativeOffset();
pointer[0] -= this.offsetX + offsets[0];
pointer[1] -= this.offsetY + offsets[1];
this.event = event;
}
this.active = false;
this.dragging = false;
- },
+ },
finishDrag: function(event, success) {
this.active = false;
this.dragging = false;
this.updateFinished();
},
updateFinished: function() {
- if (this.initialized && this.options.onChange)
+ if (this.initialized && this.options.onChange)
this.options.onChange(this.values.length>1 ? this.values : this.value, this);
this.event = null;
}
-});
+});
\ No newline at end of file
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff