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-<html>
-<head>
-<title>dojox.gfx: interactive analog clock</title>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<style type="text/css">
- @import "../../../dojo/resources/dojo.css";
- @import "../../../dijit/themes/dijit.css";
- @import "../../../dijit/tests/css/dijitTests.css";
-</style>
-<!--
-The next line should include Microsoft's Silverlight.js, if you plan to use the silverlight backend
-<script type="text/javascript" src="Silverlight.js"></script>
--->
-<script type="text/javascript" src="../../../dojo/dojo.js" djConfig="parseOnLoad:true"></script>
-<script type="text/javascript">
- dojo.require("dijit._Widget");
- dojo.require("dijit._Templated");
- dojo.require("dojox.gfx");
- dojo.require("dojo.date.locale");
- dojo.declare("demo.Clock",dijit._Widget,{
-
- time:"",
-
- img:"images/clock_face_black.jpg",
-
- postCreate:function(){
- this.inherited(arguments);
- if(!this.time){ this.current_time = new Date(); }else{
- this.current_time = this.time;
- }
- dojo.mixin(this,{
-
- diff_time: new Date(),
-
- hour_hand:null,
- hour_shadow:null,
- hour_shadow_shift:{dx: 2, dy: 2},
-
- minute_hand:null,
- minute_shadow:null,
- minute_shadow_shift:{dx: 3, dy: 3},
-
- second_hand:null,
- second_shadow:null,
- second_shadow_shift:{dx: 4, dy: 4},
-
- container_position: null
-
- });
-
- this._setSize();
-
- this._init();
- },
-
- _setSize:function(){
-
- this.container_position = dojo.coords(this.domNode, true);
- this.mb = dojo.marginBox(this.domNode);
- this.center = {
- x: (this.mb.w / 2),
- y: (this.mb.h / 2)
- };
-
- },
-
- _init:function(){
-
- this.surface = dojox.gfx.createSurface(this.domNode, this.mb.w, this.mb.h);
- this.group = this.surface.createGroup();
- this.group.createImage({
- width: this.center.x * 2,
- height:this.center.y * 2,
- src: this.img
- });
-
- // hand shapes
- var _off = 15;
- var mar = ((this.mb.w / 2) - _off) * -1;
- var _c = mar * 0.7; // -105;
- var _a = mar * 0.5; //-60;
- var _b = mar * 0.75; // -100;
- var _d = mar * 0.8; // -116;
- var _e = mar * 0.0523; // -7ish
- var _f = mar * 0.042;
- var _g = mar * 0.01234;
-
- var hour_hand_points = [{x: _e, y: _off }, {x: _e * -1, y: _off }, {x: 0, y: _a }, {x: _e, y: _off }];
- var minute_hand_points = [{x: _f, y: _off }, {x: _f * -1, y: _off }, {x: 0, y: _b }, {x: _f, y: _off }];
- var second_hand_points = [
- {x: _g, y: _off }, {x: _g * -1, y: _off }, {x: _g * -1, y: _c },
- {x: _e * -1, y: _c }, {x: 0, y: _d }, {x: _e, y: _c },
- {x: _g, y: _c }, {x: _g, y: _off }
- ];
-
- // create shapes
- this.hour_shadow = this.group.createPolyline(hour_hand_points)
- .setFill([0, 0, 0, 0.1])
- ;
- this.hour_hand = this.group.createPolyline(hour_hand_points)
- .setStroke({color: "black", width: 2})
- .setFill("#889")
- ;
- this.minute_shadow = this.group.createPolyline(minute_hand_points)
- .setFill([0, 0, 0, 0.1])
- ;
- this.minute_hand = this.group.createPolyline(minute_hand_points)
- .setStroke({color: "black", width: 2})
- .setFill("#ccd")
- ;
- this.second_shadow = this.group.createPolyline(second_hand_points)
- .setFill([0, 0, 0, 0.1])
- ;
- this.second_hand = this.group.createPolyline(second_hand_points)
- .setStroke({color: "#800", width: 1})
- .setFill("#d00")
- ;
-
- this.group.createCircle({r: 1}).setFill("black").setTransform({dx: this.center.x, dy: this.center.y });
-
- // start the clock
- this.resetTime();
-
- window.setInterval(dojo.hitch(this,"advanceTime"), 1000);
- },
-
- placeHand: function(shape, angle, shift){
- var move = {dx: this.center.x + (shift ? shift.dx : 0), dy: this.center.y + (shift ? shift.dy : 0)};
- return shape.setTransform([move, dojox.gfx.matrix.rotateg(angle)]);
- },
-
- placeHourHand: function(h, m, s){
- var angle = 30 * (h % 12 + m / 60 + s / 3600);
- this.placeHand(this.hour_hand, angle);
- this.placeHand(this.hour_shadow, angle, this.hour_shadow_shift);
- },
-
- placeMinuteHand: function(m, s){
- var angle = 6 * (m + s / 60);
- this.placeHand(this.minute_hand, angle);
- this.placeHand(this.minute_shadow, angle, this.minute_shadow_shift);
- },
-
- placeSecondHand:function(s){
- var angle = 6 * s;
- this.placeHand(this.second_hand, angle);
- this.placeHand(this.second_shadow, angle, this.second_shadow_shift);
- },
-
- reflectTime: function(time, hold_second_hand, hold_minute_hand, hold_hour_hand){
- if(!time){ time = this.current_time; }
- var h = time.getHours();
- var m = time.getMinutes();
- var s = time.getSeconds();
-
- if(!hold_hour_hand) this.placeHourHand(h, m, s);
- if(!hold_minute_hand) this.placeMinuteHand(m, s);
- if(!hold_second_hand) this.placeSecondHand(s);
-
- this.text_time = dojo.date.locale.format(
- time, {selector: "time", timePattern: "h:mm:ss a"}
- );
- },
-
- resetTime: function(){
- this.current_time = new Date();
- this.reflectTime();
- },
-
- tick: function(){
- this.current_time.setSeconds(this.current_time.getSeconds()+1);
- this.reflectTime();
- },
-
- advanceTime: function(){
- if(!this.selected_hand){
- this.tick();
- }
- },
-
- normalizeAngle: function(angle){
- if(angle > Math.PI) {
- angle -= 2 * Math.PI;
- } else if(angle < -Math.PI) {
- angle += 2 * Math.PI;
- }
- return angle;
- },
-
- calculateAngle: function(x, y, handAngle){
- try {
- return this.normalizeAngle(Math.atan2(y - this.center.y, x - this.center.x) - handAngle);
- }catch(e){ /* supress */ }
- return 0;
- },
-
- getSecondAngle: function(time){
- if(!time) time = this.current_time;
- return (6 * time.getSeconds() - 90) / 180 * Math.PI;
- },
-
- getMinuteAngle: function(time){
- if(!time) time = this.current_time;
- return (6 * (time.getMinutes() + time.getSeconds() / 60) - 90) / 180 * Math.PI;
- },
-
- getHourAngle: function(time){
- if(!time) time = this.current_time;
- return (30 * (time.getHours() + (time.getMinutes() + time.getSeconds() / 60) / 60) - 90) / 180 * Math.PI;
- },
-
- resize: function(size){
- this.surface.setDimensions(size.w, size.h);
- this.group.setTransform(dojox.gfx.matrix.scale(size.w/this.mb.w, size.h/this.mb.h));
- this._setSize();
- }
-
- });
-
- dojo.declare("demo.InteractiveClock",demo.Clock,{
-
- _init: function(){
- this.inherited(arguments);
- // attach events
- this.diff_time = new Date();
- this.hour_hand .connect("onmousedown", this,"onMouseDown");
- this.minute_hand.connect("onmousedown", this,"onMouseDown");
- this.second_hand.connect("onmousedown", this,"onMouseDown");
- this.connect(this.domNode, "onmousemove", "onMouseMove");
- this.connect(this.domNode, "onmouseup", "onMouseUp");
-
- },
-
- onMouseDown: function(evt){
- this.selected_hand = evt.target;
- this.diff_time.setTime(this.current_time.getTime());
- dojo.stopEvent(evt);
- },
-
- onMouseMove: function(evt){
- if(!this.selected_hand) return;
- if(evt.target == this.second_hand.getEventSource() ||
- evt.target == this.minute_hand.getEventSource() ||
- evt.target == this.hour_hand.getEventSource()){
- dojo.stopEvent(evt);
- return;
- }
- if(dojox.gfx.equalSources(this.selected_hand, this.second_hand.getEventSource())){
- var angle = this.calculateAngle(
- evt.clientX - this.container_position.x,
- evt.clientY - this.container_position.y,
- this.normalizeAngle(this.getSecondAngle())
- );
- var diff = Math.round(angle / Math.PI * 180 / 6); // in whole seconds
- this.current_time.setSeconds(this.current_time.getSeconds() + Math.round(diff));
- this.reflectTime();
- }else if(dojox.gfx.equalSources(this.selected_hand, this.minute_hand.getEventSource())){
- var angle = this.calculateAngle(
- evt.clientX - this.container_position.x,
- evt.clientY - this.container_position.y,
- this.normalizeAngle(this.getMinuteAngle(this.diff_time))
- );
- var diff = Math.round(angle / Math.PI * 180 / 6 * 60); // in whole seconds
- this.diff_time.setTime(this.diff_time.getTime() + 1000 * diff);
- this.reflectTime(this.diff_time, true);
-
- }else if(dojox.gfx.equalSources(this.selected_hand, this.hour_hand.getEventSource())){
- var angle = this.calculateAngle(
- evt.clientX - this.container_position.x,
- evt.clientY - this.container_position.y,
- this.normalizeAngle(this.getHourAngle(this.diff_time))
- );
- var diff = Math.round(angle / Math.PI * 180 / 30 * 60 * 60); // in whole seconds
- this.diff_time.setTime(this.diff_time.getTime() + 1000 * diff);
- this.reflectTime(this.diff_time, true, true);
- }else{
- return;
- }
- dojo.stopEvent(evt);
- },
-
- onMouseUp:function(evt){
- if(this.selected_hand && !dojox.gfx.equalSources(this.selected_hand, this.second_hand.getEventSource())){
- this.current_time.setTime(this.diff_time.getTime());
- this.reflectTime();
- }
- this.selected_hand = null;
- dojo.stopEvent(evt);
- }
- });
- dojo.require("dijit.form.Button");
- dojo.addOnLoad(function(){
- var n = dojo.doc.createElement('div');
- dojo.body().appendChild(n);
- dojo.style(n,{
- height:"200px", width:"200px",
- border:"5px solid #ededed"
- });
- new demo.Clock({},n);
- });
-
-</script>
-<style type="text/css">
-.movable { cursor: hand; }
-</style>
-</head>
-<body>
-<h1>dojox.gfx: interactive analog clock</h1>
-<p>Grab hands and set your own time.</p>
-<p>Warning: Canvas renderer doesn't implement event handling.</p>
-
-<button dojoType="dijit.form.Button">
- Resize
- <script type="dojo/method" event="onClick">
- dijit.byId("one").resize({ w:250, h:250 });
- </script>
-</button>
-
-<hr noshade size="0" />
-
-<div class="dijitInline" dojoType="demo.Clock" id="gfx_holder" style="width: 300px; height: 300px;"></div>
-<div class="dijitInline" img="images/clock_face.jpg" dojoType="demo.InteractiveClock" style="width: 225px; height: 225px;"></div>
-<div class="dijitInline" id="one" dojoType="demo.Clock" style="width: 150px; height: 150px;"></div>
-<div class="dijitInline" dojoType="demo.Clock" style="width: 75px; height: 75px;"></div>
-
-<hr noshade size="0" />
-
-
-
-
-</body>
-</html>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 17:39:30 +0000