diff options
Diffstat (limited to 'htdocs/cropper/lib/slider.js')
| -rw-r--r-- | htdocs/cropper/lib/slider.js | 186 |
1 files changed, 89 insertions, 97 deletions
diff --git a/htdocs/cropper/lib/slider.js b/htdocs/cropper/lib/slider.js index c0f1fc0..40b7371 100644 --- a/htdocs/cropper/lib/slider.js +++ b/htdocs/cropper/lib/slider.js @@ -1,28 +1,11 @@ -// Copyright (c) 2005 Marty Haught, Thomas Fuchs -// -// See http://script.aculo.us for more info -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. +// script.aculo.us slider.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008 + +// Copyright (c) 2005-2008 Marty Haught, Thomas Fuchs // -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// 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 = {}; -Control.Slider = Class.create(); +if (!Control) var Control = { }; // options: // axis: 'vertical', or 'horizontal' (default) @@ -30,24 +13,24 @@ Control.Slider = Class.create(); // callbacks: // onChange(value) // onSlide(value) -Control.Slider.prototype = { +Control.Slider = Class.create({ initialize: function(handle, track, options) { var slider = this; - - if(handle instanceof Array) { + + if (Object.isArray(handle)) { this.handles = handle.collect( function(e) { return $(e) }); } else { this.handles = [$(handle)]; } - + this.track = $(track); - this.options = options || {}; + 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 $(s) }) : false; @@ -62,19 +45,24 @@ Control.Slider.prototype = { // Will be used to align the handle onto the track, if necessary this.alignX = parseInt(this.options.alignX || '0'); this.alignY = parseInt(this.options.alignY || '0'); - + this.trackLength = this.maximumOffset() - this.minimumOffset(); - this.handleLength = this.isVertical() ? this.handles[0].offsetHeight : this.handles[0].offsetWidth; + + this.handleLength = this.isVertical() ? + (this.handles[0].offsetHeight != 0 ? + this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/,"")) : + (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth : + this.handles[0].style.width.replace(/px$/,"")); this.active = false; this.dragging = false; this.disabled = false; - if(this.options.disabled) this.setDisabled(); + if (this.options.disabled) this.setDisabled(); // Allowed values array this.allowedValues = this.options.values ? this.options.values.sortBy(Prototype.K) : false; - if(this.allowedValues) { + if (this.allowedValues) { this.minimum = this.allowedValues.min(); this.maximum = this.allowedValues.max(); } @@ -87,21 +75,20 @@ Control.Slider.prototype = { this.handles.each( function(h,i) { i = slider.handles.length-1-i; slider.setValue(parseFloat( - (slider.options.sliderValue instanceof Array ? - slider.options.sliderValue[i] : slider.options.sliderValue) || + (Object.isArray(slider.options.sliderValue) ? + slider.options.sliderValue[i] : slider.options.sliderValue) || slider.range.start), i); - Element.makePositioned(h); // fix IE - Event.observe(h, "mousedown", slider.eventMouseDown); + h.makePositioned().observe("mousedown", slider.eventMouseDown); }); - - Event.observe(this.track, "mousedown", this.eventMouseDown); - Event.observe(document, "mouseup", this.eventMouseUp); - Event.observe(document, "mousemove", this.eventMouseMove); - + + 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); @@ -114,65 +101,65 @@ Control.Slider.prototype = { }, 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()); - + 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){ + 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; + 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.activeHandle = this.handles[handleIdx]; - this.activeHandleIdx = 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])) + 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])) + 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.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] = this.translateToPx(sliderValue); - + this.drawSpans(); - if(!this.dragging || !this.event) this.updateFinished(); + 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 $R(v[range],v[range+1]); }, @@ -181,24 +168,27 @@ Control.Slider.prototype = { }, maximumOffset: function(){ return(this.isVertical() ? - this.track.offsetHeight - this.alignY : this.track.offsetWidth - this.alignX); - }, + (this.track.offsetHeight != 0 ? this.track.offsetHeight : + this.track.style.height.replace(/px$/,"")) - 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) + if (this.spans) $R(0, this.spans.length-1).each(function(r) { slider.setSpan(slider.spans[r], slider.getRange(r)) }); - if(this.options.startSpan) + 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, + 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()) { + if (this.isVertical()) { span.style.top = this.translateToPx(range.start); span.style.height = this.translateToPx(range.end - range.start + this.range.start); } else { @@ -211,16 +201,17 @@ Control.Slider.prototype = { Element.addClassName(this.activeHandle, 'selected'); }, startDrag: function(event) { - if(Event.isLeftClick(event)) { - if(!this.disabled){ + if (Event.isLeftClick(event)) { + if (!this.disabled){ this.active = true; - + var handle = Event.element(event); var pointer = [Event.pointerX(event), Event.pointerY(event)]; - if(handle==this.track) { - var offsets = Position.cumulativeOffset(this.track); + var track = handle; + if (track==this.track) { + var offsets = Position.cumulativeOffset(this.track); 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); @@ -228,27 +219,28 @@ Control.Slider.prototype = { 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; - - this.activeHandle = handle; - this.activeHandleIdx = this.handles.indexOf(this.activeHandle); - this.updateStyles(); - - var offsets = Position.cumulativeOffset(this.activeHandle); - this.offsetX = (pointer[0] - offsets[0]); - this.offsetY = (pointer[1] - offsets[1]); + + if (this.handles.indexOf(handle)!=-1) { + this.activeHandle = handle; + this.activeHandleIdx = this.handles.indexOf(this.activeHandle); + this.updateStyles(); + + var offsets = Position.cumulativeOffset(this.activeHandle); + 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; + if (this.active) { + if (!this.dragging) this.dragging = true; this.draw(event); - // fix AppleWebKit rendering - if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); + if (Prototype.Browser.WebKit) window.scrollBy(0,0); Event.stop(event); } }, @@ -259,25 +251,25 @@ Control.Slider.prototype = { 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) + 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) { + 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) + 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 +});
\ No newline at end of file |