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Diffstat (limited to 'js/slider.js')
| -rw-r--r-- | js/slider.js | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/js/slider.js b/js/slider.js deleted file mode 100644 index eb83055..0000000 --- a/js/slider.js +++ /dev/null @@ -1,275 +0,0 @@ -// script.aculo.us slider.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009 - -// 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/ - -if (!Control) var Control = { }; - -// options: -// axis: 'vertical', or 'horizontal' (default) -// -// callbacks: -// onChange(value) -// onSlide(value) -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.axis = this.options.axis || 'horizontal'; - 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; - this.options.startSpan = $(this.options.startSpan || null); - this.options.endSpan = $(this.options.endSpan || null); - - this.restricted = this.options.restricted || false; - - this.maximum = this.options.maximum || this.range.end; - this.minimum = this.options.minimum || this.range.start; - - // Will be used to align the handle onto the track, if necessary - this.alignX = parseInt(this.options.alignX || '0'); - this.alignY = parseInt(this.options.alignY || '0'); - - this.trackLength = this.maximumOffset() - this.minimumOffset(); - - this.handleLength = this.isVertical() ? - (this.handles[0].offsetHeight != 0 ? - this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) : - (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth : - this.handles[0].style.width.replace(/px$/,"")); - - this.active = false; - this.dragging = false; - this.disabled = false; - - if (this.options.disabled) this.setDisabled(); - - // Allowed values array - this.allowedValues = this.options.values ? this.options.values.sortBy(Prototype.K) : false; - if (this.allowedValues) { - this.minimum = this.allowedValues.min(); - this.maximum = this.allowedValues.max(); - } - - this.eventMouseDown = this.startDrag.bindAsEventListener(this); - this.eventMouseUp = this.endDrag.bindAsEventListener(this); - this.eventMouseMove = this.update.bindAsEventListener(this); - - // Initialize handles in reverse (make sure first handle is active) - 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) || - 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; - Event.stopObserving(this.track, "mousedown", this.eventMouseDown); - Event.stopObserving(document, "mouseup", this.eventMouseUp); - Event.stopObserving(document, "mousemove", this.eventMouseMove); - this.handles.each( function(h) { - Event.stopObserving(h, "mousedown", slider.eventMouseDown); - }); - }, - setDisabled: function(){ - this.disabled = true; - }, - 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) { - var currentOffset = Math.abs(v - value); - if (currentOffset <= offset){ - newValue = v; - offset = currentOffset; - } - }); - return newValue; - } - if (value > this.range.end) return this.range.end; - if (value < this.range.start) return this.range.start; - return value; - }, - setValue: function(sliderValue, handleIdx){ - if (!this.active) { - this.activeHandleIdx = handleIdx || 0; - this.activeHandle = this.handles[this.activeHandleIdx]; - this.updateStyles(); - } - handleIdx = handleIdx || this.activeHandleIdx || 0; - if (this.initialized && this.restricted) { - if ((handleIdx>0) && (sliderValue<this.values[handleIdx-1])) - sliderValue = this.values[handleIdx-1]; - if ((handleIdx < (this.handles.length-1)) && (sliderValue>this.values[handleIdx+1])) - sliderValue = this.values[handleIdx+1]; - } - 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.translateToPx(sliderValue); - - this.drawSpans(); - if (!this.dragging || !this.event) this.updateFinished(); - }, - setValueBy: function(delta, handleIdx) { - 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)) * - (value - this.range.start)) + "px"; - }, - translateToValue: function(offset) { - 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); - range = range || 0; - return $R(v[range],v[range+1]); - }, - minimumOffset: function(){ - return(this.isVertical() ? this.alignY : this.alignX); - }, - maximumOffset: function(){ - return(this.isVertical() ? - (this.track.offsetHeight != 0 ? this.track.offsetHeight : - this.track.style.height.replace(/px$/,"")) - this.alignY : - (this.track.offsetWidth != 0 ? this.track.offsetWidth : - this.track.style.width.replace(/px$/,"")) - this.alignX); - }, - isVertical: function(){ - return (this.axis == 'vertical'); - }, - drawSpans: function() { - var slider = this; - if (this.spans) - $R(0, this.spans.length-1).each(function(r) { slider.setSpan(slider.spans[r], slider.getRange(r)) }); - if (this.options.startSpan) - 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, - $R(this.values.length>1 ? this.getRange(this.spans.length-1).max() : this.value, this.maximum)); - }, - setSpan: function(span, range) { - if (this.isVertical()) { - span.style.top = this.translateToPx(range.start); - span.style.height = this.translateToPx(range.end - range.start + this.range.start); - } else { - span.style.left = this.translateToPx(range.start); - span.style.width = this.translateToPx(range.end - range.start + this.range.start); - } - }, - updateStyles: function() { - this.handles.each( function(h){ Element.removeClassName(h, 'selected') }); - Element.addClassName(this.activeHandle, 'selected'); - }, - startDrag: function(event) { - 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 = this.track.cumulativeOffset(); - this.event = event; - this.setValue(this.translateToValue( - (this.isVertical() ? pointer[1]-offsets[1] : pointer[0]-offsets[0])-(this.handleLength/2) - )); - 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) - handle = handle.parentNode; - - if (this.handles.indexOf(handle)!=-1) { - this.activeHandle = handle; - this.activeHandleIdx = this.handles.indexOf(this.activeHandle); - this.updateStyles(); - - var offsets = this.activeHandle.cumulativeOffset(); - this.offsetX = (pointer[0] - offsets[0]); - this.offsetY = (pointer[1] - offsets[1]); - } - } - } - Event.stop(event); - } - }, - update: function(event) { - if (this.active) { - if (!this.dragging) this.dragging = true; - this.draw(event); - if (Prototype.Browser.WebKit) window.scrollBy(0,0); - Event.stop(event); - } - }, - draw: function(event) { - var pointer = [Event.pointerX(event), Event.pointerY(event)]; - var offsets = this.track.cumulativeOffset(); - pointer[0] -= this.offsetX + offsets[0]; - pointer[1] -= this.offsetY + offsets[1]; - this.event = event; - this.setValue(this.translateToValue( this.isVertical() ? pointer[1] : pointer[0] )); - if (this.initialized && this.options.onSlide) - this.options.onSlide(this.values.length>1 ? this.values : this.value, this); - }, - endDrag: function(event) { - if (this.active && this.dragging) { - this.finishDrag(event, true); - Event.stop(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) - this.options.onChange(this.values.length>1 ? this.values : this.value, this); - this.event = null; - } -});
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