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Struts example source code file (Clock.js)

This example Struts source code file (Clock.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

am, am, date, date, pm, pm

The Struts Clock.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.Clock");
dojo.require("dojo.widget.*");
dojo.require("dojo.gfx.*");
dojo.require("dojo.uri.Uri");
dojo.require("dojo.lang.common");
dojo.require("dojo.lang.timing.Timer");
dojo.widget.defineWidget("dojo.widget.Clock", dojo.widget.HtmlWidget, function () {
	var self = this;
	this.timeZoneOffset = 0;
	this.label = "";
	this.date = new Date();
	this.handColor = "#788598";
	this.handStroke = "#6f7b8c";
	this.secondHandColor = [201, 4, 5, 0.8];
	this.topLabelColor = "#efefef";
	this.labelColor = "#fff";
	this.timer = new dojo.lang.timing.Timer(1000);
	this.center = {x:75, y:75};
	this.hands = {hour:null, minute:null, second:null};
	this.shadows = {hour:{shadow:null, shift:{dx:2, dy:2}}, minute:{shadow:null, shift:{dx:2, dy:3}}, second:{shadow:null, shift:{dx:4, dy:4}}};
	this.image = dojo.uri.moduleUri("dojo.widget", "templates/images/clock.png");
	this.surface = null;
	this.labelNode = null;
	this.topLabelNode = null;
	this.draw = function () {
		self.date = new Date();
		var h = (self.date.getHours() + self.timeZoneOffset) % 12;
		var m = self.date.getMinutes();
		var s = self.date.getSeconds();
		self.placeHour(h, m, s);
		self.placeMinute(m, s);
		self.placeSecond(s);
		self.topLabelNode.innerHTML = ((self.date.getHours() + self.timeZoneOffset) > 11) ? "PM" : "AM";
	};
	this.timer.onTick = self.draw;
}, {set:function (dt) {
	this.date = dt;
	if (!this.timer.isRunning) {
		this.draw();
	}
}, start:function () {
	this.timer.start();
}, stop:function () {
	this.timer.stop();
}, _initPoly:function (parent, points) {
	var path = parent.createPath();
	var first = true;
	dojo.lang.forEach(points, function (c) {
		if (first) {
			path.moveTo(c.x, c.y);
			first = false;
		} else {
			path.lineTo(c.x, c.y);
		}
	});
	return path;
}, _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, dojo.gfx.matrix.rotateg(-angle)]);
}, placeHour:function (h, m, s) {
	var angle = 30 * (h + m / 60 + s / 3600);
	this._placeHand(this.hands.hour, angle);
	this._placeHand(this.shadows.hour.shadow, angle, this.shadows.hour.shift);
}, placeMinute:function (m, s) {
	var angle = 6 * (m + s / 60);
	this._placeHand(this.hands.minute, angle);
	this._placeHand(this.shadows.minute.shadow, angle, this.shadows.minute.shift);
}, placeSecond:function (s) {
	var angle = 6 * s;
	this._placeHand(this.hands.second, angle);
	this._placeHand(this.shadows.second.shadow, angle, this.shadows.second.shift);
}, init:function () {
	if (this.domNode.style.position != "absolute") {
		this.domNode.style.position = "relative";
	}
	while (this.domNode.childNodes.length > 0) {
		this.domNode.removeChild(this.domNode.childNodes[0]);
	}
	this.domNode.style.width = "150px";
	this.domNode.style.height = "150px";
	this.surface = dojo.gfx.createSurface(this.domNode, 150, 150);
	this.surface.createRect({width:150, height:150});
	this.surface.createImage({width:150, height:150, src:this.image + ""});
	var hP = [{x:-3, y:-4}, {x:3, y:-4}, {x:1, y:-27}, {x:-1, y:-27}, {x:-3, y:-4}];
	var mP = [{x:-3, y:-4}, {x:3, y:-4}, {x:1, y:-38}, {x:-1, y:-38}, {x:-3, y:-4}];
	var sP = [{x:-2, y:-2}, {x:2, y:-2}, {x:1, y:-45}, {x:-1, y:-45}, {x:-2, y:-2}];
	this.shadows.hour.shadow = this._initPoly(this.surface, hP).setFill([0, 0, 0, 0.1]);
	this.hands.hour = this._initPoly(this.surface, hP).setStroke({color:this.handStroke, width:1}).setFill({type:"linear", x1:0, y1:0, x2:0, y2:-27, colors:[{offset:0, color:"#fff"}, {offset:0.33, color:this.handColor}]});
	this.shadows.minute.shadow = this._initPoly(this.surface, mP).setFill([0, 0, 0, 0.1]);
	this.hands.minute = this._initPoly(this.surface, mP).setStroke({color:this.handStroke, width:1}).setFill({type:"linear", x1:0, y1:0, x2:0, y2:-38, colors:[{offset:0, color:"#fff"}, {offset:0.33, color:this.handColor}]});
	this.surface.createCircle({r:6}).setStroke({color:this.handStroke, width:2}).setFill("#fff").setTransform({dx:75, dy:75});
	this.shadows.second.shadow = this._initPoly(this.surface, sP).setFill([0, 0, 0, 0.1]);
	this.hands.second = this._initPoly(this.surface, sP).setFill(this.secondHandColor);
	this.surface.createCircle({r:4}).setFill(this.secondHandColor).setTransform({dx:75, dy:75});
	this.topLabelNode = document.createElement("div");
	with (this.topLabelNode.style) {
		position = "absolute";
		top = "3px";
		left = "0px";
		color = this.topLabelColor;
		textAlign = "center";
		width = "150px";
		fontFamily = "sans-serif";
		fontSize = "11px";
		textTransform = "uppercase";
		fontWeight = "bold";
	}
	this.topLabelNode.innerHTML = ((this.date.getHours() + this.timeZoneOffset) > 11) ? "PM" : "AM";
	this.domNode.appendChild(this.topLabelNode);
	this.labelNode = document.createElement("div");
	with (this.labelNode.style) {
		position = "absolute";
		top = "134px";
		left = "0px";
		color = this.labelColor;
		textAlign = "center";
		width = "150px";
		fontFamily = "sans-serif";
		fontSize = "10px";
		textTransform = "uppercase";
		fontWeight = "bold";
	}
	this.labelNode.innerHTML = this.label || " ";
	this.domNode.appendChild(this.labelNode);
	this.draw();
}, postCreate:function () {
	this.init();
	this.start();
}});

Other Struts examples (source code examples)

Here is a short list of links related to this Struts Clock.js source code file:

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