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Updated jquery.knob.js

Abdullah Almsaeed 10 lat temu
rodzic
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90e693f67b
1 zmienionych plików z 0 dodań i 764 usunięć
  1. 0 764
      plugins/jqueryKnob/jquery.knob.js

+ 0 - 764
plugins/jqueryKnob/jquery.knob.js

@@ -1,764 +0,0 @@
-/*!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 = $(document);
-    k.c.t = function (e) {
-        return e.originalEvent.touches.length - 1;
-    };
-
-    /**
-     * Kontrol Object
-     *
-     * Definition of an abstract UI control
-     *
-     * Each concrete component must call this one.
-     * <code>
-     * k.o.call(this);
-     * </code>
-     */
-    k.o = function () {
-        var s = this;
-
-        this.o = null; // array of options
-        this.$ = null; // jQuery wrapped element
-        this.i = null; // mixed HTMLInputElement or array of HTMLInputElement
-        this.g = null; // deprecated 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.w = 0; // canvas width
-        this.h = 0; // canvas height
-        this.$c = null; // jQuery canvas element
-        this.c = null; // rendered canvas context
-        this.t = 0; // touches index
-        this.isInit = false;
-        this.fgColor = null; // main color
-        this.pColor = null; // previous color
-        this.dH = null; // draw hook
-        this.cH = null; // change hook
-        this.eH = null; // cancel hook
-        this.rH = null; // release hook
-        this.scale = 1; // scale factor
-        this.relative = false;
-        this.relativeWidth = false;
-        this.relativeHeight = false;
-        this.$div = null; // component div
-
-        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') || (this.$.attr('readonly') == 'readonly'),
-
-                    // UI
-                    cursor : (this.$.data('cursor') === true && 30)
-                                || this.$.data('cursor')
-                                || 0,
-                    thickness : (
-                                this.$.data('thickness')
-                                && Math.max(Math.min(this.$.data('thickness'), 1), 0.01)
-                                )
-                                || 0.35,
-                    lineCap : this.$.data('linecap') || 'butt',
-                    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',
-                    inputColor: this.$.data('inputcolor'),
-                    font: this.$.data('font') || 'Arial',
-                    fontWeight: this.$.data('font-weight') || 'bold',
-                    inline : false,
-                    step : this.$.data('step') || 1,
-
-                    // Hooks
-                    draw : null, // function () {}
-                    change : null, // function (value) {}
-                    cancel : null, // function () {}
-                    release : null, // function (value) {}
-                    error : null // function () {}
-                }, this.o
-            );
-
-            // finalize options
-            if(!this.o.inputColor) {
-                this.o.inputColor = this.o.fgColor;
-            }
-
-            // 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 keyup'
-                        , 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.$.bind(
-                    'change keyup'
-                    , function () {
-                        s.val(s._validate(s.$.val()));
-                    }
-                );
-
-            }
-
-            (!this.o.displayInput) && this.$.hide();
-
-            // adds needed DOM elements (canvas, div)
-            this.$c = $(document.createElement('canvas'));
-            if (typeof G_vmlCanvasManager !== 'undefined') {
-              G_vmlCanvasManager.initElement(this.$c[0]);
-            }
-            this.c = this.$c[0].getContext ? this.$c[0].getContext('2d') : null;
-            if (!this.c) {
-                this.o.error && this.o.error();
-                return;
-            }
-
-            // hdpi support
-            this.scale = (window.devicePixelRatio || 1) /
-                        (
-                            this.c.webkitBackingStorePixelRatio ||
-                            this.c.mozBackingStorePixelRatio ||
-                            this.c.msBackingStorePixelRatio ||
-                            this.c.oBackingStorePixelRatio ||
-                            this.c.backingStorePixelRatio || 1
-                        );
-
-            // detects relative width / height
-            this.relativeWidth = ((this.o.width % 1 !== 0)
-                                    && this.o.width.indexOf('%'));
-            this.relativeHeight = ((this.o.height % 1 !== 0)
-                                    && this.o.height.indexOf('%'));
-
-            this.relative = (this.relativeWidth || this.relativeHeight);
-
-            // wraps all elements in a div
-            this.$div = $('<div style="'
-                        + (this.o.inline ? 'display:inline;' : '')
-                        + '"></div>');
-
-            this.$.wrap(this.$div).before(this.$c);
-            this.$div = this.$.parent();
-
-            // computes size and carves the component
-            this._carve();
-
-            // prepares props for transaction
-            if (this.v instanceof Object) {
-                this.cv = {};
-                this.copy(this.v, this.cv);
-            } else {
-                this.cv = this.v;
-            }
-
-            // binds configure event
-            this.$
-                .bind("configure", cf)
-                .parent()
-                .bind("configure", cf);
-
-            // finalize init
-            this._listen()
-                ._configure()
-                ._xy()
-                .init();
-
-            this.isInit = true;
-
-            // the most important !
-            this._draw();
-
-            return this;
-        };
-
-        this._carve = function() {
-            if(this.relative) {
-                var w = this.relativeWidth
-                            ? this.$div.parent().width()
-                                * parseInt(this.o.width) / 100
-                            : this.$div.parent().width(),
-                    h = this.relativeHeight
-                            ? this.$div.parent().height()
-                                * parseInt(this.o.height) / 100
-                            : this.$div.parent().height();
-
-                // apply relative
-                this.w = this.h = Math.min(w, h);
-            } else {
-                this.w = this.o.width;
-                this.h = this.o.height;
-            }
-
-            // finalize div
-            this.$div.css({
-                'width': this.w + 'px',
-                'height': this.h + 'px'
-            });
-
-            // finalize canvas with computed width
-            this.$c.attr({
-                width: this.w,
-                height: this.h
-            });
-
-            // scaling
-            if (this.scale !== 1) {
-                this.$c[0].width = this.$c[0].width * this.scale;
-                this.$c[0].height = this.$c[0].height * this.scale;
-                this.$c.width(this.w);
-                this.$c.height(this.h);
-            }
-
-            return this;
-        }
-
-        this._draw = function () {
-
-            // canvas pre-rendering
-            var d = true;
-
-            s.g = s.c;
-
-            s.clear();
-
-            s.dH
-            && (d = s.dH());
-
-            (d !== false) && s.draw();
-
-        };
-
-        this._touch = function (e) {
-
-            var touchMove = function (e) {
-
-                var v = s.xy2val(
-                            e.originalEvent.touches[s.t].pageX,
-                            e.originalEvent.touches[s.t].pageY
-                            );
-                s.change(s._validate(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);
-                s.change(s._validate(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');
-            }
-
-            if(this.relative) {
-                $(window).resize(function() {
-                    s._carve()
-                     .init();
-                    s._draw();
-                });
-            }
-
-            return this;
-        };
-
-        this._configure = function () {
-
-            // Hooks
-            if (this.o.draw) this.dH = this.o.draw;
-            if (this.o.change) this.cH = this.o.change;
-            if (this.o.cancel) this.eH = this.o.cancel;
-            if (this.o.release) this.rH = this.o.release;
-
-            if (this.o.displayPrevious) {
-                this.pColor = this.h2rgba(this.o.fgColor, "0.4");
-                this.fgColor = this.h2rgba(this.o.fgColor, "0.6");
-            } else {
-                this.fgColor = this.o.fgColor;
-            }
-
-            return this;
-        };
-
-        this._clear = function () {
-            this.$c[0].width = this.$c[0].width;
-        };
-
-        this._validate = function(v) {
-            return (~~ (((v < 0) ? -0.5 : 0.5) + (v/this.o.step))) * this.o.step;
-        };
-
-        // 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.$.val(this.v);
-                this._draw();
-            } else {
-                return this.v;
-            }
-        };
-
-        this.xy2val = function (x, y) {
-            var a, ret;
-
-            a = Math.atan2(
-                        x - (this.x + this.w2)
-                        , - (y - this.y - this.w2)
-                    ) - this.angleOffset;
-
-            if(this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) {
-                // if isset angleArc option, set to min if .5 under min
-                a = 0;
-            } else if (a < 0) {
-                a += this.PI2;
-            }
-
-            ret = ~~ (0.5 + (a * (this.o.max - this.o.min) / this.angleArc))
-                    + this.o.min;
-
-            this.o.stopper
-            && (ret = max(min(ret, this.o.max), this.o.min));
-
-            return ret;
-        };
-
-        this.listen = function () {
-            // bind MouseWheel
-            var s = this, mwTimerStop, mwTimerRelease,
-                mw = function (e) {
-                            e.preventDefault();
-
-                            var ori = e.originalEvent
-                                ,deltaX = ori.detail || ori.wheelDeltaX
-                                ,deltaY = ori.detail || ori.wheelDeltaY
-                                ,v = s._validate(s.$.val())
-                                    + (deltaX>0 || deltaY>0 ? s.o.step : deltaX<0 || deltaY<0 ? -s.o.step : 0);
-
-                            v = max(min(v, s.o.max), s.o.min);
-                            
-                            s.val(v);
-
-                            if(s.rH) {
-                                // Handle mousewheel stop
-                                clearTimeout(mwTimerStop);
-                                mwTimerStop = setTimeout(function() {
-                                    s.rH(v);
-                                    mwTimerStop = null;
-                                }, 100);
-
-                                // Handle mousewheel releases
-                                if(!mwTimerRelease) {
-                                    mwTimerRelease = setTimeout(function() {
-                                        if(mwTimerStop) s.rH(v);
-                                        mwTimerRelease = null;
-                                    }, 200);
-                                }
-                            }
-                        }
-                , kval, to, m = 1, kv = {37:-s.o.step, 38:s.o.step, 39:s.o.step, 40:-s.o.step};
-
-            this.$
-                .bind(
-                    "keydown"
-                    ,function (e) {
-                        var kc = e.keyCode;
-
-                        // numpad support
-                        if(kc >= 96 && kc <= 105) {
-                            kc = e.keyCode = kc - 48;
-                        }
-
-                        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.w / 2;
-            this.cursorExt = this.o.cursor / 100;
-            this.xy = this.w2 * this.scale;
-            this.lineWidth = this.xy * this.o.thickness;
-            this.lineCap = this.o.lineCap;
-            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.w / 2 + 4) >> 0) + 'px'
-                        ,'height' : ((this.w / 3) >> 0) + 'px'
-                        ,'position' : 'absolute'
-                        ,'vertical-align' : 'middle'
-                        ,'margin-top' : ((this.w / 3) >> 0) + 'px'
-                        ,'margin-left' : '-' + ((this.w * 3 / 4 + 2) >> 0) + 'px'
-                        ,'border' : 0
-                        ,'background' : 'none'
-                        ,'font' : this.o.fontWeight + ' ' + ((this.w / s) >> 0) + 'px ' + this.o.font
-                        ,'text-align' : 'center'
-                        ,'color' : this.o.inputColor || this.o.fgColor
-                        ,'padding' : '0px'
-                        ,'-webkit-appearance': 'none'
-                        })
-                || this.i.css({
-                        'width' : '0px'
-                        ,'visibility' : 'hidden'
-                        });
-        };
-
-        this.change = function (v) {
-            if (v == this.cv) return;
-            this.cv = v;
-            if (
-                this.cH
-                && (this.cH(v) === false)
-            ) return;
-        };
-
-        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;
-
-            c.lineCap = this.lineCap;
-
-            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 - 0.00001, this.startAngle + 0.00001, 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 - 0.00001, ea + 0.00001, 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 - 0.00001, eat + 0.00001, 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();
-    };
-
-})(jQuery);