[483] | 1 | <html> |
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| 2 | <head> |
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| 3 | <title>dojox.gfx: interactive analog clock</title> |
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| 4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
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| 5 | <style type="text/css"> |
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| 6 | @import "../../../dojo/resources/dojo.css"; |
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| 7 | @import "../../../dijit/themes/dijit.css"; |
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| 8 | @import "../../../dijit/tests/css/dijitTests.css"; |
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| 9 | </style> |
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| 10 | <script type="text/javascript" src="../../../dojo/dojo.js" data-dojo-config="parseOnLoad:true"></script> |
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| 11 | <script type="text/javascript"> |
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| 12 | dojo.require("dijit._Widget"); |
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| 13 | dojo.require("dijit._Templated"); |
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| 14 | dojo.require("dojox.gfx"); |
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| 15 | dojo.require("dojo.date.locale"); |
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| 16 | dojo.declare("demo.Clock",dijit._Widget,{ |
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| 17 | |
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| 18 | time:"", |
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| 19 | |
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| 20 | img:"images/clock_face_black.jpg", |
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| 21 | |
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| 22 | postCreate:function(){ |
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| 23 | this.inherited(arguments); |
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| 24 | if(!this.time){ this.current_time = new Date(); }else{ |
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| 25 | this.current_time = this.time; |
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| 26 | } |
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| 27 | dojo.mixin(this,{ |
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| 28 | |
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| 29 | diff_time: new Date(), |
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| 30 | |
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| 31 | hour_hand:null, |
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| 32 | hour_shadow:null, |
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| 33 | hour_shadow_shift:{dx: 2, dy: 2}, |
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| 34 | |
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| 35 | minute_hand:null, |
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| 36 | minute_shadow:null, |
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| 37 | minute_shadow_shift:{dx: 3, dy: 3}, |
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| 38 | |
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| 39 | second_hand:null, |
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| 40 | second_shadow:null, |
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| 41 | second_shadow_shift:{dx: 4, dy: 4}, |
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| 42 | |
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| 43 | container_position: null |
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| 44 | |
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| 45 | }); |
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| 46 | |
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| 47 | this._setSize(); |
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| 48 | |
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| 49 | this._init(); |
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| 50 | }, |
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| 51 | |
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| 52 | _setSize:function(){ |
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| 53 | |
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| 54 | this.container_position = dojo.coords(this.domNode, true); |
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| 55 | this.mb = dojo.marginBox(this.domNode); |
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| 56 | this.center = { |
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| 57 | x: (this.mb.w / 2), |
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| 58 | y: (this.mb.h / 2) |
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| 59 | }; |
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| 60 | |
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| 61 | }, |
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| 62 | |
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| 63 | _init:function(){ |
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| 64 | |
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| 65 | this.surface = dojox.gfx.createSurface(this.domNode, this.mb.w, this.mb.h); |
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| 66 | this.group = this.surface.createGroup(); |
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| 67 | this.group.createImage({ |
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| 68 | width: this.center.x * 2, |
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| 69 | height:this.center.y * 2, |
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| 70 | src: this.img |
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| 71 | }); |
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| 72 | |
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| 73 | // hand shapes |
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| 74 | var _off = 15; |
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| 75 | var mar = ((this.mb.w / 2) - _off) * -1; |
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| 76 | var _c = mar * 0.7; // -105; |
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| 77 | var _a = mar * 0.5; //-60; |
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| 78 | var _b = mar * 0.75; // -100; |
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| 79 | var _d = mar * 0.8; // -116; |
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| 80 | var _e = mar * 0.0523; // -7ish |
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| 81 | var _f = mar * 0.042; |
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| 82 | var _g = mar * 0.01234; |
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| 83 | |
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| 84 | var hour_hand_points = [{x: _e, y: _off }, {x: _e * -1, y: _off }, {x: 0, y: _a }, {x: _e, y: _off }]; |
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| 85 | var minute_hand_points = [{x: _f, y: _off }, {x: _f * -1, y: _off }, {x: 0, y: _b }, {x: _f, y: _off }]; |
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| 86 | var second_hand_points = [ |
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| 87 | {x: _g, y: _off }, {x: _g * -1, y: _off }, {x: _g * -1, y: _c }, |
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| 88 | {x: _e * -1, y: _c }, {x: 0, y: _d }, {x: _e, y: _c }, |
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| 89 | {x: _g, y: _c }, {x: _g, y: _off } |
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| 90 | ]; |
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| 91 | |
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| 92 | // create shapes |
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| 93 | this.hour_shadow = this.group.createPolyline(hour_hand_points) |
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| 94 | .setFill([0, 0, 0, 0.1]) |
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| 95 | ; |
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| 96 | this.hour_hand = this.group.createPolyline(hour_hand_points) |
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| 97 | .setStroke({color: "black", width: 2}) |
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| 98 | .setFill("#889") |
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| 99 | ; |
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| 100 | this.minute_shadow = this.group.createPolyline(minute_hand_points) |
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| 101 | .setFill([0, 0, 0, 0.1]) |
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| 102 | ; |
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| 103 | this.minute_hand = this.group.createPolyline(minute_hand_points) |
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| 104 | .setStroke({color: "black", width: 2}) |
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| 105 | .setFill("#ccd") |
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| 106 | ; |
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| 107 | this.second_shadow = this.group.createPolyline(second_hand_points) |
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| 108 | .setFill([0, 0, 0, 0.1]) |
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| 109 | ; |
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| 110 | this.second_hand = this.group.createPolyline(second_hand_points) |
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| 111 | .setStroke({color: "#800", width: 1}) |
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| 112 | .setFill("#d00") |
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| 113 | ; |
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| 114 | |
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| 115 | this.group.createCircle({r: 1}).setFill("black").setTransform({dx: this.center.x, dy: this.center.y }); |
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| 116 | |
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| 117 | // start the clock |
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| 118 | this.resetTime(); |
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| 119 | |
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| 120 | window.setInterval(dojo.hitch(this,"advanceTime"), 1000); |
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| 121 | }, |
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| 122 | |
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| 123 | placeHand: function(shape, angle, shift){ |
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| 124 | var move = {dx: this.center.x + (shift ? shift.dx : 0), dy: this.center.y + (shift ? shift.dy : 0)}; |
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| 125 | return shape.setTransform([move, dojox.gfx.matrix.rotateg(angle)]); |
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| 126 | }, |
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| 127 | |
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| 128 | placeHourHand: function(h, m, s){ |
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| 129 | var angle = 30 * (h % 12 + m / 60 + s / 3600); |
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| 130 | this.placeHand(this.hour_hand, angle); |
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| 131 | this.placeHand(this.hour_shadow, angle, this.hour_shadow_shift); |
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| 132 | }, |
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| 133 | |
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| 134 | placeMinuteHand: function(m, s){ |
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| 135 | var angle = 6 * (m + s / 60); |
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| 136 | this.placeHand(this.minute_hand, angle); |
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| 137 | this.placeHand(this.minute_shadow, angle, this.minute_shadow_shift); |
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| 138 | }, |
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| 139 | |
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| 140 | placeSecondHand:function(s){ |
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| 141 | var angle = 6 * s; |
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| 142 | this.placeHand(this.second_hand, angle); |
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| 143 | this.placeHand(this.second_shadow, angle, this.second_shadow_shift); |
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| 144 | }, |
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| 145 | |
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| 146 | reflectTime: function(time, hold_second_hand, hold_minute_hand, hold_hour_hand){ |
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| 147 | if(!time){ time = this.current_time; } |
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| 148 | var h = time.getHours(); |
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| 149 | var m = time.getMinutes(); |
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| 150 | var s = time.getSeconds(); |
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| 151 | |
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| 152 | if(!hold_hour_hand) this.placeHourHand(h, m, s); |
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| 153 | if(!hold_minute_hand) this.placeMinuteHand(m, s); |
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| 154 | if(!hold_second_hand) this.placeSecondHand(s); |
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| 155 | |
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| 156 | this.text_time = dojo.date.locale.format( |
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| 157 | time, {selector: "time", timePattern: "h:mm:ss a"} |
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| 158 | ); |
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| 159 | }, |
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| 160 | |
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| 161 | resetTime: function(){ |
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| 162 | this.current_time = new Date(); |
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| 163 | this.reflectTime(); |
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| 164 | }, |
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| 165 | |
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| 166 | tick: function(){ |
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| 167 | this.current_time.setSeconds(this.current_time.getSeconds()+1); |
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| 168 | this.reflectTime(); |
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| 169 | }, |
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| 170 | |
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| 171 | advanceTime: function(){ |
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| 172 | if(!this.selected_hand){ |
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| 173 | this.tick(); |
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| 174 | } |
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| 175 | }, |
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| 176 | |
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| 177 | normalizeAngle: function(angle){ |
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| 178 | if(angle > Math.PI) { |
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| 179 | angle -= 2 * Math.PI; |
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| 180 | } else if(angle < -Math.PI) { |
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| 181 | angle += 2 * Math.PI; |
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| 182 | } |
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| 183 | return angle; |
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| 184 | }, |
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| 185 | |
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| 186 | calculateAngle: function(x, y, handAngle){ |
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| 187 | try { |
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| 188 | return this.normalizeAngle(Math.atan2(y - this.center.y, x - this.center.x) - handAngle); |
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| 189 | }catch(e){ /* supress */ } |
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| 190 | return 0; |
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| 191 | }, |
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| 192 | |
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| 193 | getSecondAngle: function(time){ |
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| 194 | if(!time) time = this.current_time; |
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| 195 | return (6 * time.getSeconds() - 90) / 180 * Math.PI; |
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| 196 | }, |
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| 197 | |
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| 198 | getMinuteAngle: function(time){ |
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| 199 | if(!time) time = this.current_time; |
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| 200 | return (6 * (time.getMinutes() + time.getSeconds() / 60) - 90) / 180 * Math.PI; |
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| 201 | }, |
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| 202 | |
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| 203 | getHourAngle: function(time){ |
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| 204 | if(!time) time = this.current_time; |
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| 205 | return (30 * (time.getHours() + (time.getMinutes() + time.getSeconds() / 60) / 60) - 90) / 180 * Math.PI; |
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| 206 | }, |
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| 207 | |
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| 208 | resize: function(size){ |
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| 209 | this.surface.setDimensions(size.w, size.h); |
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| 210 | this.group.setTransform(dojox.gfx.matrix.scale(size.w/this.mb.w, size.h/this.mb.h)); |
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| 211 | this._setSize(); |
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| 212 | } |
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| 213 | |
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| 214 | }); |
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| 215 | |
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| 216 | dojo.declare("demo.InteractiveClock",demo.Clock,{ |
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| 217 | |
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| 218 | _init: function(){ |
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| 219 | this.inherited(arguments); |
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| 220 | // attach events |
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| 221 | this.diff_time = new Date(); |
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| 222 | this.hour_hand .connect("onmousedown", this,"onMouseDown"); |
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| 223 | this.minute_hand.connect("onmousedown", this,"onMouseDown"); |
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| 224 | this.second_hand.connect("onmousedown", this,"onMouseDown"); |
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| 225 | this.connect(this.domNode, "onmousemove", "onMouseMove"); |
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| 226 | this.connect(this.domNode, "onmouseup", "onMouseUp"); |
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| 227 | |
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| 228 | }, |
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| 229 | |
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| 230 | onMouseDown: function(evt){ |
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| 231 | this.selected_hand = evt.target; |
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| 232 | this.diff_time.setTime(this.current_time.getTime()); |
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| 233 | dojo.stopEvent(evt); |
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| 234 | }, |
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| 235 | |
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| 236 | onMouseMove: function(evt){ |
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| 237 | if(!this.selected_hand) return; |
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| 238 | if(evt.target == this.second_hand.getEventSource() || |
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| 239 | evt.target == this.minute_hand.getEventSource() || |
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| 240 | evt.target == this.hour_hand.getEventSource()){ |
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| 241 | dojo.stopEvent(evt); |
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| 242 | return; |
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| 243 | } |
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| 244 | if(dojox.gfx.equalSources(this.selected_hand, this.second_hand.getEventSource())){ |
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| 245 | var angle = this.calculateAngle( |
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| 246 | evt.clientX - this.container_position.x, |
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| 247 | evt.clientY - this.container_position.y, |
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| 248 | this.normalizeAngle(this.getSecondAngle()) |
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| 249 | ); |
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| 250 | var diff = Math.round(angle / Math.PI * 180 / 6); // in whole seconds |
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| 251 | this.current_time.setSeconds(this.current_time.getSeconds() + Math.round(diff)); |
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| 252 | this.reflectTime(); |
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| 253 | }else if(dojox.gfx.equalSources(this.selected_hand, this.minute_hand.getEventSource())){ |
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| 254 | var angle = this.calculateAngle( |
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| 255 | evt.clientX - this.container_position.x, |
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| 256 | evt.clientY - this.container_position.y, |
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| 257 | this.normalizeAngle(this.getMinuteAngle(this.diff_time)) |
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| 258 | ); |
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| 259 | var diff = Math.round(angle / Math.PI * 180 / 6 * 60); // in whole seconds |
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| 260 | this.diff_time.setTime(this.diff_time.getTime() + 1000 * diff); |
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| 261 | this.reflectTime(this.diff_time, true); |
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| 262 | |
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| 263 | }else if(dojox.gfx.equalSources(this.selected_hand, this.hour_hand.getEventSource())){ |
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| 264 | var angle = this.calculateAngle( |
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| 265 | evt.clientX - this.container_position.x, |
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| 266 | evt.clientY - this.container_position.y, |
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| 267 | this.normalizeAngle(this.getHourAngle(this.diff_time)) |
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| 268 | ); |
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| 269 | var diff = Math.round(angle / Math.PI * 180 / 30 * 60 * 60); // in whole seconds |
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| 270 | this.diff_time.setTime(this.diff_time.getTime() + 1000 * diff); |
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| 271 | this.reflectTime(this.diff_time, true, true); |
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| 272 | }else{ |
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| 273 | return; |
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| 274 | } |
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| 275 | dojo.stopEvent(evt); |
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| 276 | }, |
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| 277 | |
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| 278 | onMouseUp:function(evt){ |
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| 279 | if(this.selected_hand && !dojox.gfx.equalSources(this.selected_hand, this.second_hand.getEventSource())){ |
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| 280 | this.current_time.setTime(this.diff_time.getTime()); |
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| 281 | this.reflectTime(); |
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| 282 | } |
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| 283 | this.selected_hand = null; |
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| 284 | dojo.stopEvent(evt); |
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| 285 | } |
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| 286 | }); |
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| 287 | dojo.require("dijit.form.Button"); |
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| 288 | dojo.addOnLoad(function(){ |
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| 289 | var n = dojo.doc.createElement('div'); |
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| 290 | dojo.body().appendChild(n); |
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| 291 | dojo.style(n,{ |
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| 292 | height:"200px", width:"200px", |
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| 293 | border:"5px solid #ededed" |
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| 294 | }); |
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| 295 | new demo.Clock({},n); |
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| 296 | }); |
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| 297 | |
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| 298 | </script> |
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| 299 | <style type="text/css"> |
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| 300 | .movable { cursor: hand; } |
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| 301 | </style> |
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| 302 | </head> |
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| 303 | <body> |
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| 304 | <h1>dojox.gfx: interactive analog clock</h1> |
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| 305 | <p>Grab hands and set your own time.</p> |
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| 306 | <p>Warning: Canvas renderer doesn't implement event handling.</p> |
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| 307 | |
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| 308 | <button dojoType="dijit.form.Button"> |
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| 309 | Resize |
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| 310 | <script type="dojo/method" data-dojo-event="onClick"> |
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| 311 | dijit.byId("one").resize({ w:250, h:250 }); |
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| 312 | </script> |
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| 313 | </button> |
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| 314 | |
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| 315 | <hr noshade size="0" /> |
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| 316 | |
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| 317 | <div class="dijitInline" dojoType="demo.Clock" id="gfx_holder" style="width: 300px; height: 300px;"></div> |
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| 318 | <div class="dijitInline" img="images/clock_face.jpg" dojoType="demo.InteractiveClock" style="width: 225px; height: 225px;"></div> |
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| 319 | <div class="dijitInline" id="one" dojoType="demo.Clock" style="width: 150px; height: 150px;"></div> |
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| 320 | <div class="dijitInline" dojoType="demo.Clock" style="width: 75px; height: 75px;"></div> |
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| 321 | |
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| 322 | <hr noshade size="0" /> |
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| 323 | |
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| 324 | |
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| 325 | |
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| 326 | |
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| 327 | </body> |
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| 328 | </html> |
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