From cdd8ff258582f5eba7e3941a5a18007e7aabbbfa Mon Sep 17 00:00:00 2001 From: Daniel Beauchamp Date: Thu, 2 Aug 2012 13:38:19 -0400 Subject: Better generators, sample widgets, and more! --- .../project/public/javascripts/jquery.knob.js | 646 +++++++++++++++++++++ 1 file changed, 646 insertions(+) create mode 100644 templates/project/public/javascripts/jquery.knob.js (limited to 'templates/project/public/javascripts/jquery.knob.js') diff --git a/templates/project/public/javascripts/jquery.knob.js b/templates/project/public/javascripts/jquery.knob.js new file mode 100644 index 0000000..3224638 --- /dev/null +++ b/templates/project/public/javascripts/jquery.knob.js @@ -0,0 +1,646 @@ +/*!jQuery Knob*/ +/** + * Downward compatible, touchable dial + * + * Version: 1.2.0 (15/07/2012) + * Requires: jQuery v1.7+ + * + * Copyright (c) 2012 Anthony Terrien + * Under MIT and GPL licenses: + * http://www.opensource.org/licenses/mit-license.php + * http://www.gnu.org/licenses/gpl.html + * + * Thanks to vor, eskimoblood, spiffistan, FabrizioC + */ +$(function () { + + /** + * Kontrol library + */ + "use strict"; + + /** + * Definition of globals and core + */ + var k = {}, // kontrol + max = Math.max, + min = Math.min; + + k.c = {}; + k.c.d = $(document); + k.c.t = function (e) { + return e.originalEvent.touches.length - 1; + }; + + /** + * Kontrol Object + * + * Definition of an abstract UI control + * + * Each concrete component must call this one. + * + * k.o.call(this); + * + */ + k.o = function () { + var s = this; + + this.o = null; // array of options + this.$ = null; // jQuery wrapped element + this.i = null; // mixed HTMLInputElement or array of HTMLInputElement + this.g = null; // 2D graphics context for 'pre-rendering' + this.v = null; // value ; mixed array or integer + this.cv = null; // change value ; not commited value + this.x = 0; // canvas x position + this.y = 0; // canvas y position + this.$c = null; // jQuery canvas element + this.c = null; // rendered canvas context + this.t = 0; // touches index + this.isInit = false; + this.fgColor = null; // main color + this.pColor = null; // previous color + this.dH = null; // draw hook + this.cH = null; // change hook + this.eH = null; // cancel hook + this.rH = null; // release hook + + this.run = function () { + var cf = function (e, conf) { + var k; + for (k in conf) { + s.o[k] = conf[k]; + } + s.init(); + s._configure() + ._draw(); + }; + + if(this.$.data('kontroled')) return; + this.$.data('kontroled', true); + + this.extend(); + this.o = $.extend( + { + // Config + min : this.$.data('min') || 0, + max : this.$.data('max') || 100, + stopper : true, + readOnly : this.$.data('readonly'), + + // UI + cursor : (this.$.data('cursor') === true && 30) + || this.$.data('cursor') + || 0, + thickness : this.$.data('thickness') || 0.35, + width : this.$.data('width') || 200, + height : this.$.data('height') || 200, + displayInput : this.$.data('displayinput') == null || this.$.data('displayinput'), + displayPrevious : this.$.data('displayprevious'), + fgColor : this.$.data('fgcolor') || '#87CEEB', + inline : false, + + // Hooks + draw : null, // function () {} + change : null, // function (value) {} + cancel : null, // function () {} + release : null // function (value) {} + }, this.o + ); + + // routing value + if(this.$.is('fieldset')) { + + // fieldset = array of integer + this.v = {}; + this.i = this.$.find('input') + this.i.each(function(k) { + var $this = $(this); + s.i[k] = $this; + s.v[k] = $this.val(); + + $this.bind( + 'change' + , function () { + var val = {}; + val[k] = $this.val(); + s.val(val); + } + ); + }); + this.$.find('legend').remove(); + + } else { + // input = integer + this.i = this.$; + this.v = this.$.val(); + (this.v == '') && (this.v = this.o.min); + + this.$.bind( + 'change' + , function () { + s.val(s.$.val()); + } + ); + } + + (!this.o.displayInput) && this.$.hide(); + + this.$c = $(''); + this.c = this.$c[0].getContext("2d"); + + this.$ + .wrap($('
')) + .before(this.$c); + + if (this.v instanceof Object) { + this.cv = {}; + this.copy(this.v, this.cv); + } else { + this.cv = this.v; + } + + this.$ + .bind("configure", cf) + .parent() + .bind("configure", cf); + + this._listen() + ._configure() + ._xy() + .init(); + + this.isInit = true; + + this._draw(); + + return this; + }; + + this._draw = function () { + + // canvas pre-rendering + var d = true, + c = document.createElement('canvas'); + + c.width = s.o.width; + c.height = s.o.height; + s.g = c.getContext('2d'); + + s.clear(); + + s.dH + && (d = s.dH()); + + (d !== false) && s.draw(); + + s.c.drawImage(c, 0, 0); + c = null; + }; + + this._touch = function (e) { + + var touchMove = function (e) { + + var v = s.xy2val( + e.originalEvent.touches[s.t].pageX, + e.originalEvent.touches[s.t].pageY + ); + + if (v == s.cv) return; + + if ( + s.cH + && (s.cH(v) === false) + ) return; + + + s.change(v); + s._draw(); + }; + + // get touches index + this.t = k.c.t(e); + + // First touch + touchMove(e); + + // Touch events listeners + k.c.d + .bind("touchmove.k", touchMove) + .bind( + "touchend.k" + , function () { + k.c.d.unbind('touchmove.k touchend.k'); + + if ( + s.rH + && (s.rH(s.cv) === false) + ) return; + + s.val(s.cv); + } + ); + + return this; + }; + + this._mouse = function (e) { + + var mouseMove = function (e) { + var v = s.xy2val(e.pageX, e.pageY); + if (v == s.cv) return; + + if ( + s.cH + && (s.cH(v) === false) + ) return; + + s.change(v); + s._draw(); + }; + + // First click + mouseMove(e); + + // Mouse events listeners + k.c.d + .bind("mousemove.k", mouseMove) + .bind( + // Escape key cancel current change + "keyup.k" + , function (e) { + if (e.keyCode === 27) { + k.c.d.unbind("mouseup.k mousemove.k keyup.k"); + + if ( + s.eH + && (s.eH() === false) + ) return; + + s.cancel(); + } + } + ) + .bind( + "mouseup.k" + , function (e) { + k.c.d.unbind('mousemove.k mouseup.k keyup.k'); + + if ( + s.rH + && (s.rH(s.cv) === false) + ) return; + + s.val(s.cv); + } + ); + + return this; + }; + + this._xy = function () { + var o = this.$c.offset(); + this.x = o.left; + this.y = o.top; + return this; + }; + + this._listen = function () { + + if (!this.o.readOnly) { + this.$c + .bind( + "mousedown" + , function (e) { + e.preventDefault(); + s._xy()._mouse(e); + } + ) + .bind( + "touchstart" + , function (e) { + e.preventDefault(); + s._xy()._touch(e); + } + ); + this.listen(); + } else { + this.$.attr('readonly', 'readonly'); + } + + return this; + }; + + this._configure = function () { + + // Hooks + if (this.o.draw) this.dH = this.o.draw; + if (this.o.change) this.cH = this.o.change; + if (this.o.cancel) this.eH = this.o.cancel; + if (this.o.release) this.rH = this.o.release; + + if (this.o.displayPrevious) { + this.pColor = this.h2rgba(this.o.fgColor, "0.4"); + this.fgColor = this.h2rgba(this.o.fgColor, "0.6"); + } else { + this.fgColor = this.o.fgColor; + } + + return this; + }; + + this._clear = function () { + this.$c[0].width = this.$c[0].width; + }; + + // Abstract methods + this.listen = function () {}; // on start, one time + this.extend = function () {}; // each time configure triggered + this.init = function () {}; // each time configure triggered + this.change = function (v) {}; // on change + this.val = function (v) {}; // on release + this.xy2val = function (x, y) {}; // + this.draw = function () {}; // on change / on release + this.clear = function () { this._clear(); }; + + // Utils + this.h2rgba = function (h, a) { + var rgb; + h = h.substring(1,7) + rgb = [parseInt(h.substring(0,2),16) + ,parseInt(h.substring(2,4),16) + ,parseInt(h.substring(4,6),16)]; + return "rgba(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + "," + a + ")"; + }; + + this.copy = function (f, t) { + for (var i in f) { t[i] = f[i]; } + }; + }; + + + /** + * k.Dial + */ + k.Dial = function () { + k.o.call(this); + + this.startAngle = null; + this.xy = null; + this.radius = null; + this.lineWidth = null; + this.cursorExt = null; + this.w2 = null; + this.PI2 = 2*Math.PI; + + this.extend = function () { + this.o = $.extend( + { + bgColor : this.$.data('bgcolor') || '#EEEEEE', + angleOffset : this.$.data('angleoffset') || 0, + angleArc : this.$.data('anglearc') || 360, + inline : true + }, this.o + ); + }; + + this.val = function (v) { + if (null != v) { + this.cv = this.o.stopper ? max(min(v, this.o.max), this.o.min) : v; + this.v = this.cv; + this.$.val(this.v); + this._draw(); + } else { + return this.v; + } + }; + + this.xy2val = function (x, y) { + var a, ret; + + a = Math.atan2( + x - (this.x + this.w2) + , - (y - this.y - this.w2) + ) - this.angleOffset; + + if(this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) { + // if isset angleArc option, set to min if .5 under min + a = 0; + } else if (a < 0) { + a += this.PI2; + } + + ret = ~~ (0.5 + (a * (this.o.max - this.o.min) / this.angleArc)) + + this.o.min; + + this.o.stopper + && (ret = max(min(ret, this.o.max), this.o.min)); + + return ret; + }; + + this.listen = function () { + // bind MouseWheel + var s = this, + mw = function (e) { + e.preventDefault(); + + var ori = e.originalEvent + ,deltaX = ori.detail || ori.wheelDeltaX + ,deltaY = ori.detail || ori.wheelDeltaY + ,v = parseInt(s.$.val()) + (deltaX>0 || deltaY>0 ? 1 : deltaX<0 || deltaY<0 ? -1 : 0); + + if ( + s.cH + && (s.cH(v) === false) + ) return; + + s.val(v); + } + , kval, to, m = 1, kv = {37:-1, 38:1, 39:1, 40:-1}; + + this.$ + .bind( + "keydown" + ,function (e) { + var kc = e.keyCode; + kval = parseInt(String.fromCharCode(kc)); + + if (isNaN(kval)) { + + (kc !== 13) // enter + && (kc !== 8) // bs + && (kc !== 9) // tab + && (kc !== 189) // - + && e.preventDefault(); + + // arrows + if ($.inArray(kc,[37,38,39,40]) > -1) { + e.preventDefault(); + + var v = parseInt(s.$.val()) + kv[kc] * m; + + s.o.stopper + && (v = max(min(v, s.o.max), s.o.min)); + + s.change(v); + s._draw(); + + // long time keydown speed-up + to = window.setTimeout( + function () { m*=2; } + ,30 + ); + } + } + } + ) + .bind( + "keyup" + ,function (e) { + if (isNaN(kval)) { + if (to) { + window.clearTimeout(to); + to = null; + m = 1; + s.val(s.$.val()); + } + } else { + // kval postcond + (s.$.val() > s.o.max && s.$.val(s.o.max)) + || (s.$.val() < s.o.min && s.$.val(s.o.min)); + } + + } + ); + + this.$c.bind("mousewheel DOMMouseScroll", mw); + this.$.bind("mousewheel DOMMouseScroll", mw) + }; + + this.init = function () { + + if ( + this.v < this.o.min + || this.v > this.o.max + ) this.v = this.o.min; + + this.$.val(this.v); + this.w2 = this.o.width / 2; + this.cursorExt = this.o.cursor / 100; + this.xy = this.w2; + this.lineWidth = this.xy * this.o.thickness; + this.radius = this.xy - this.lineWidth / 2; + + this.o.angleOffset + && (this.o.angleOffset = isNaN(this.o.angleOffset) ? 0 : this.o.angleOffset); + + this.o.angleArc + && (this.o.angleArc = isNaN(this.o.angleArc) ? this.PI2 : this.o.angleArc); + + // deg to rad + this.angleOffset = this.o.angleOffset * Math.PI / 180; + this.angleArc = this.o.angleArc * Math.PI / 180; + + // compute start and end angles + this.startAngle = 1.5 * Math.PI + this.angleOffset; + this.endAngle = 1.5 * Math.PI + this.angleOffset + this.angleArc; + + var s = max( + String(Math.abs(this.o.max)).length + , String(Math.abs(this.o.min)).length + , 2 + ) + 2; + + this.o.displayInput + && this.i.css({ + 'width' : ((this.o.width / 2 + 4) >> 0) + 'px' + ,'height' : ((this.o.width / 3) >> 0) + 'px' + ,'position' : 'absolute' + ,'vertical-align' : 'middle' + ,'margin-top' : ((this.o.width / 3) >> 0) + 'px' + ,'margin-left' : '-' + ((this.o.width * 3 / 4 + 2) >> 0) + 'px' + ,'border' : 0 + ,'background' : 'none' + ,'font' : 'bold ' + ((this.o.width / s) >> 0) + 'px Arial' + ,'text-align' : 'center' + ,'color' : this.o.fgColor + ,'padding' : '0px' + ,'-webkit-appearance': 'none' + }) + || this.i.css({ + 'width' : '0px' + ,'visibility' : 'hidden' + }); + }; + + this.change = function (v) { + this.cv = v; + this.$.val(v); + }; + + this.angle = function (v) { + return (v - this.o.min) * this.angleArc / (this.o.max - this.o.min); + }; + + this.draw = function () { + + var c = this.g, // context + a = this.angle(this.cv) // Angle + , sat = this.startAngle // Start angle + , eat = sat + a // End angle + , sa, ea // Previous angles + , r = 1; + + c.lineWidth = this.lineWidth; + + this.o.cursor + && (sat = eat - this.cursorExt) + && (eat = eat + this.cursorExt); + + c.beginPath(); + c.strokeStyle = this.o.bgColor; + c.arc(this.xy, this.xy, this.radius, this.endAngle, this.startAngle, true); + c.stroke(); + + if (this.o.displayPrevious) { + ea = this.startAngle + this.angle(this.v); + sa = this.startAngle; + this.o.cursor + && (sa = ea - this.cursorExt) + && (ea = ea + this.cursorExt); + + c.beginPath(); + c.strokeStyle = this.pColor; + c.arc(this.xy, this.xy, this.radius, sa, ea, false); + c.stroke(); + r = (this.cv == this.v); + } + + c.beginPath(); + c.strokeStyle = r ? this.o.fgColor : this.fgColor ; + c.arc(this.xy, this.xy, this.radius, sat, eat, false); + c.stroke(); + }; + + this.cancel = function () { + this.val(this.v); + }; + }; + + $.fn.dial = $.fn.knob = function (o) { + return this.each( + function () { + var d = new k.Dial(); + d.o = o; + d.$ = $(this); + d.run(); + } + ).parent(); + }; + +}); \ No newline at end of file -- cgit v1.2.3