333 lines
9.8 KiB
HTML
333 lines
9.8 KiB
HTML
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<html>
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<head>
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<title>dojox.gfx: interactive analog clock</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<style type="text/css">
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@import "../../../dojo/resources/dojo.css";
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@import "../../../dijit/themes/dijit.css";
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@import "../../../dijit/tests/css/dijitTests.css";
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</style>
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<!--
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The next line should include Microsoft's Silverlight.js, if you plan to use the silverlight backend
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<script type="text/javascript" src="Silverlight.js"></script>
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-->
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<script type="text/javascript" src="../../../dojo/dojo.js" djConfig="parseOnLoad:true"></script>
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<script type="text/javascript">
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dojo.require("dijit._Widget");
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dojo.require("dijit._Templated");
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dojo.require("dojox.gfx");
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dojo.require("dojo.date.locale");
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dojo.declare("demo.Clock",dijit._Widget,{
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time:"",
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img:"images/clock_face_black.jpg",
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postCreate:function(){
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this.inherited(arguments);
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if(!this.time){ this.current_time = new Date(); }else{
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this.current_time = this.time;
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}
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dojo.mixin(this,{
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diff_time: new Date(),
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hour_hand:null,
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hour_shadow:null,
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hour_shadow_shift:{dx: 2, dy: 2},
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minute_hand:null,
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minute_shadow:null,
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minute_shadow_shift:{dx: 3, dy: 3},
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second_hand:null,
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second_shadow:null,
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second_shadow_shift:{dx: 4, dy: 4},
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container_position: null
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});
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this._setSize();
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this._init();
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},
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_setSize:function(){
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this.container_position = dojo.coords(this.domNode, true);
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this.mb = dojo.marginBox(this.domNode);
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this.center = {
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x: (this.mb.w / 2),
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y: (this.mb.h / 2)
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};
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},
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_init:function(){
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this.surface = dojox.gfx.createSurface(this.domNode, this.mb.w, this.mb.h);
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this.group = this.surface.createGroup();
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this.group.createImage({
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width: this.center.x * 2,
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height:this.center.y * 2,
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src: this.img
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});
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// hand shapes
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var _off = 15;
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var mar = ((this.mb.w / 2) - _off) * -1;
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var _c = mar * 0.7; // -105;
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var _a = mar * 0.5; //-60;
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var _b = mar * 0.75; // -100;
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var _d = mar * 0.8; // -116;
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var _e = mar * 0.0523; // -7ish
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var _f = mar * 0.042;
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var _g = mar * 0.01234;
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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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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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var second_hand_points = [
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{x: _g, y: _off }, {x: _g * -1, y: _off }, {x: _g * -1, y: _c },
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{x: _e * -1, y: _c }, {x: 0, y: _d }, {x: _e, y: _c },
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{x: _g, y: _c }, {x: _g, y: _off }
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];
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// create shapes
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this.hour_shadow = this.group.createPolyline(hour_hand_points)
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.setFill([0, 0, 0, 0.1])
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;
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this.hour_hand = this.group.createPolyline(hour_hand_points)
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.setStroke({color: "black", width: 2})
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.setFill("#889")
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;
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this.minute_shadow = this.group.createPolyline(minute_hand_points)
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.setFill([0, 0, 0, 0.1])
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;
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this.minute_hand = this.group.createPolyline(minute_hand_points)
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.setStroke({color: "black", width: 2})
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.setFill("#ccd")
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;
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this.second_shadow = this.group.createPolyline(second_hand_points)
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.setFill([0, 0, 0, 0.1])
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;
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this.second_hand = this.group.createPolyline(second_hand_points)
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.setStroke({color: "#800", width: 1})
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.setFill("#d00")
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;
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this.group.createCircle({r: 1}).setFill("black").setTransform({dx: this.center.x, dy: this.center.y });
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// start the clock
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this.resetTime();
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window.setInterval(dojo.hitch(this,"advanceTime"), 1000);
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},
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placeHand: function(shape, angle, shift){
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var move = {dx: this.center.x + (shift ? shift.dx : 0), dy: this.center.y + (shift ? shift.dy : 0)};
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return shape.setTransform([move, dojox.gfx.matrix.rotateg(angle)]);
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},
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placeHourHand: function(h, m, s){
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var angle = 30 * (h % 12 + m / 60 + s / 3600);
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this.placeHand(this.hour_hand, angle);
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this.placeHand(this.hour_shadow, angle, this.hour_shadow_shift);
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},
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placeMinuteHand: function(m, s){
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var angle = 6 * (m + s / 60);
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this.placeHand(this.minute_hand, angle);
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this.placeHand(this.minute_shadow, angle, this.minute_shadow_shift);
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},
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placeSecondHand:function(s){
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var angle = 6 * s;
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this.placeHand(this.second_hand, angle);
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this.placeHand(this.second_shadow, angle, this.second_shadow_shift);
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},
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reflectTime: function(time, hold_second_hand, hold_minute_hand, hold_hour_hand){
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if(!time){ time = this.current_time; }
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var h = time.getHours();
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var m = time.getMinutes();
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var s = time.getSeconds();
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if(!hold_hour_hand) this.placeHourHand(h, m, s);
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if(!hold_minute_hand) this.placeMinuteHand(m, s);
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if(!hold_second_hand) this.placeSecondHand(s);
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this.text_time = dojo.date.locale.format(
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time, {selector: "time", timePattern: "h:mm:ss a"}
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);
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},
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resetTime: function(){
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this.current_time = new Date();
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this.reflectTime();
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},
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tick: function(){
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this.current_time.setSeconds(this.current_time.getSeconds()+1);
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this.reflectTime();
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},
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advanceTime: function(){
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if(!this.selected_hand){
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this.tick();
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}
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},
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normalizeAngle: function(angle){
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if(angle > Math.PI) {
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angle -= 2 * Math.PI;
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} else if(angle < -Math.PI) {
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angle += 2 * Math.PI;
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}
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return angle;
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},
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calculateAngle: function(x, y, handAngle){
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try {
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return this.normalizeAngle(Math.atan2(y - this.center.y, x - this.center.x) - handAngle);
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}catch(e){ /* supress */ }
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return 0;
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},
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getSecondAngle: function(time){
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if(!time) time = this.current_time;
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return (6 * time.getSeconds() - 90) / 180 * Math.PI;
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},
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getMinuteAngle: function(time){
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if(!time) time = this.current_time;
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return (6 * (time.getMinutes() + time.getSeconds() / 60) - 90) / 180 * Math.PI;
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},
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getHourAngle: function(time){
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if(!time) time = this.current_time;
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return (30 * (time.getHours() + (time.getMinutes() + time.getSeconds() / 60) / 60) - 90) / 180 * Math.PI;
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},
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resize: function(size){
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this.surface.setDimensions(size.w, size.h);
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this.group.setTransform(dojox.gfx.matrix.scale(size.w/this.mb.w, size.h/this.mb.h));
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this._setSize();
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}
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});
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dojo.declare("demo.InteractiveClock",demo.Clock,{
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_init: function(){
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this.inherited(arguments);
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// attach events
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this.diff_time = new Date();
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this.hour_hand .connect("onmousedown", this,"onMouseDown");
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this.minute_hand.connect("onmousedown", this,"onMouseDown");
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this.second_hand.connect("onmousedown", this,"onMouseDown");
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this.connect(this.domNode, "onmousemove", "onMouseMove");
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this.connect(this.domNode, "onmouseup", "onMouseUp");
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},
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onMouseDown: function(evt){
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this.selected_hand = evt.target;
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this.diff_time.setTime(this.current_time.getTime());
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dojo.stopEvent(evt);
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},
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onMouseMove: function(evt){
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if(!this.selected_hand) return;
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if(evt.target == this.second_hand.getEventSource() ||
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evt.target == this.minute_hand.getEventSource() ||
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evt.target == this.hour_hand.getEventSource()){
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dojo.stopEvent(evt);
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return;
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}
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if(dojox.gfx.equalSources(this.selected_hand, this.second_hand.getEventSource())){
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var angle = this.calculateAngle(
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evt.clientX - this.container_position.x,
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evt.clientY - this.container_position.y,
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this.normalizeAngle(this.getSecondAngle())
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);
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var diff = Math.round(angle / Math.PI * 180 / 6); // in whole seconds
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this.current_time.setSeconds(this.current_time.getSeconds() + Math.round(diff));
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this.reflectTime();
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}else if(dojox.gfx.equalSources(this.selected_hand, this.minute_hand.getEventSource())){
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var angle = this.calculateAngle(
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evt.clientX - this.container_position.x,
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evt.clientY - this.container_position.y,
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this.normalizeAngle(this.getMinuteAngle(this.diff_time))
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);
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var diff = Math.round(angle / Math.PI * 180 / 6 * 60); // in whole seconds
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this.diff_time.setTime(this.diff_time.getTime() + 1000 * diff);
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this.reflectTime(this.diff_time, true);
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}else if(dojox.gfx.equalSources(this.selected_hand, this.hour_hand.getEventSource())){
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var angle = this.calculateAngle(
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evt.clientX - this.container_position.x,
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evt.clientY - this.container_position.y,
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this.normalizeAngle(this.getHourAngle(this.diff_time))
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);
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var diff = Math.round(angle / Math.PI * 180 / 30 * 60 * 60); // in whole seconds
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this.diff_time.setTime(this.diff_time.getTime() + 1000 * diff);
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this.reflectTime(this.diff_time, true, true);
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}else{
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return;
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}
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dojo.stopEvent(evt);
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},
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onMouseUp:function(evt){
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if(this.selected_hand && !dojox.gfx.equalSources(this.selected_hand, this.second_hand.getEventSource())){
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this.current_time.setTime(this.diff_time.getTime());
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this.reflectTime();
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}
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this.selected_hand = null;
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dojo.stopEvent(evt);
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}
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});
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dojo.require("dijit.form.Button");
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dojo.addOnLoad(function(){
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var n = dojo.doc.createElement('div');
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dojo.body().appendChild(n);
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dojo.style(n,{
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height:"200px", width:"200px",
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border:"5px solid #ededed"
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});
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new demo.Clock({},n);
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});
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</script>
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<style type="text/css">
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.movable { cursor: hand; }
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</style>
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</head>
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<body>
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<h1>dojox.gfx: interactive analog clock</h1>
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<p>Grab hands and set your own time.</p>
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<p>Warning: Canvas renderer doesn't implement event handling.</p>
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<button dojoType="dijit.form.Button">
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Resize
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<script type="dojo/method" event="onClick">
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dijit.byId("one").resize({ w:250, h:250 });
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</script>
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</button>
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<hr noshade size="0" />
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<div class="dijitInline" dojoType="demo.Clock" id="gfx_holder" style="width: 300px; height: 300px;"></div>
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<div class="dijitInline" img="images/clock_face.jpg" dojoType="demo.InteractiveClock" style="width: 225px; height: 225px;"></div>
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<div class="dijitInline" id="one" dojoType="demo.Clock" style="width: 150px; height: 150px;"></div>
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<div class="dijitInline" dojoType="demo.Clock" style="width: 75px; height: 75px;"></div>
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<hr noshade size="0" />
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</body>
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</html>
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