|
|
Struts example source code file (ProgressBar.js)
This example Struts source code file (ProgressBar.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.
The Struts ProgressBar.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.ProgressBar");
dojo.require("dojo.widget.*");
dojo.require("dojo.event");
dojo.require("dojo.dom");
dojo.require("dojo.html.style");
dojo.require("dojo.string.*");
dojo.require("dojo.lfx.*");
dojo.widget.defineWidget("dojo.widget.ProgressBar", dojo.widget.HtmlWidget, {progressValue:0, maxProgressValue:100, width:300, height:30, frontPercentClass:"frontPercent", backPercentClass:"backPercent", frontBarClass:"frontBar", backBarClass:"backBar", hasText:false, isVertical:false, showOnlyIntegers:false, dataSource:"", pollInterval:3000, duration:1000, templateString:"<div dojoAttachPoint=\"containerNode\" style=\"position:relative;overflow:hidden\">\n\t\n\t\n \n", templateCssString:".backBar{\n\tborder:1px solid #84a3d1;\n}\n.frontBar{\n\tbackground:url(\"images/bar.gif\") repeat bottom left;\n\tbackground-attachment: fixed;\n}\n.h-frontBar{\n\tbackground:url(\"images/h-bar.gif\") repeat bottom left;\n\tbackground-attachment: fixed;\n}\n.simpleFrontBar{\n\tbackground: red;\n}\n.frontPercent,.backPercent{\n\tfont:bold 13px helvetica;\n}\n.backPercent{\n\tcolor:#293a4b;\n}\n.frontPercent{\n\tcolor:#fff;\n}\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/ProgressBar.css"), containerNode:null, internalProgress:null, _pixelUnitRatio:0, _pixelPercentRatio:0, _unitPercentRatio:0, _unitPixelRatio:0, _floatDimension:0, _intDimension:0, _progressPercentValue:"0%", _floatMaxProgressValue:0, _dimension:"width", _pixelValue:0, _oInterval:null, _animation:null, _animationStopped:true, _progressValueBak:false, _hasTextBak:false, fillInTemplate:function (args, frag) {
this.internalProgress.className = this.frontBarClass;
this.containerNode.className = this.backBarClass;
if (this.isVertical) {
this.internalProgress.style.bottom = "0px";
this.internalProgress.style.left = "0px";
this._dimension = "height";
} else {
this.internalProgress.style.top = "0px";
this.internalProgress.style.left = "0px";
this._dimension = "width";
}
this.frontPercentLabel.className = this.frontPercentClass;
this.backPercentLabel.className = this.backPercentClass;
this.progressValue = "" + this.progressValue;
this.domNode.style.height = this.height + "px";
this.domNode.style.width = this.width + "px";
this._intDimension = parseInt("0" + eval("this." + this._dimension));
this._floatDimension = parseFloat("0" + eval("this." + this._dimension));
this._pixelPercentRatio = this._floatDimension / 100;
this.setMaxProgressValue(this.maxProgressValue, true);
this.setProgressValue(dojo.string.trim(this.progressValue), true);
dojo.debug("float dimension: " + this._floatDimension);
dojo.debug("this._unitPixelRatio: " + this._unitPixelRatio);
this.showText(this.hasText);
}, showText:function (visible) {
if (visible) {
this.backPercentLabel.style.display = "block";
this.frontPercentLabel.style.display = "block";
} else {
this.backPercentLabel.style.display = "none";
this.frontPercentLabel.style.display = "none";
}
this.hasText = visible;
}, postCreate:function (args, frag) {
this.render();
}, _backupValues:function () {
this._progressValueBak = this.progressValue;
this._hasTextBak = this.hasText;
}, _restoreValues:function () {
this.setProgressValue(this._progressValueBak);
this.showText(this._hasTextBak);
}, _setupAnimation:function () {
var _self = this;
dojo.debug("internalProgress width: " + this.internalProgress.style.width);
this._animation = dojo.lfx.html.slideTo(this.internalProgress, {top:0, left:parseInt(this.width) - parseInt(this.internalProgress.style.width)}, parseInt(this.duration), null, function () {
var _backAnim = dojo.lfx.html.slideTo(_self.internalProgress, {top:0, left:0}, parseInt(_self.duration));
dojo.event.connect(_backAnim, "onEnd", function () {
if (!_self._animationStopped) {
_self._animation.play();
}
});
if (!_self._animationStopped) {
_backAnim.play();
}
_backAnim = null;
});
}, getMaxProgressValue:function () {
return this.maxProgressValue;
}, setMaxProgressValue:function (maxValue, noRender) {
if (!this._animationStopped) {
return;
}
this.maxProgressValue = maxValue;
this._floatMaxProgressValue = parseFloat("0" + this.maxProgressValue);
this._pixelUnitRatio = this._floatDimension / this.maxProgressValue;
this._unitPercentRatio = this._floatMaxProgressValue / 100;
this._unitPixelRatio = this._floatMaxProgressValue / this._floatDimension;
this.setProgressValue(this.progressValue, true);
if (!noRender) {
this.render();
}
}, setProgressValue:function (value, noRender) {
if (!this._animationStopped) {
return;
}
this._progressPercentValue = "0%";
var _value = dojo.string.trim("" + value);
var _floatValue = parseFloat("0" + _value);
var _intValue = parseInt("0" + _value);
var _pixelValue = 0;
if (dojo.string.endsWith(_value, "%", false)) {
this._progressPercentValue = Math.min(_floatValue.toFixed(1), 100) + "%";
_value = Math.min((_floatValue) * this._unitPercentRatio, this.maxProgressValue);
_pixelValue = Math.min((_floatValue) * this._pixelPercentRatio, eval("this." + this._dimension));
} else {
this.progressValue = Math.min(_floatValue, this.maxProgressValue);
this._progressPercentValue = Math.min((_floatValue / this._unitPercentRatio).toFixed(1), 100) + "%";
_pixelValue = Math.min(_floatValue / this._unitPixelRatio, eval("this." + this._dimension));
}
this.progressValue = dojo.string.trim(_value);
this._pixelValue = _pixelValue;
if (!noRender) {
this.render();
}
}, getProgressValue:function () {
return this.progressValue;
}, getProgressPercentValue:function () {
return this._progressPercentValue;
}, setDataSource:function (dataSource) {
this.dataSource = dataSource;
}, setPollInterval:function (pollInterval) {
this.pollInterval = pollInterval;
}, start:function () {
var _showFunction = dojo.lang.hitch(this, this._showRemoteProgress);
this._oInterval = setInterval(_showFunction, this.pollInterval);
}, startAnimation:function () {
if (this._animationStopped) {
this._backupValues();
this.setProgressValue("10%");
this._animationStopped = false;
this._setupAnimation();
this.showText(false);
this.internalProgress.style.height = "105%";
this._animation.play();
}
}, stopAnimation:function () {
if (this._animation) {
this._animationStopped = true;
this._animation.stop();
this.internalProgress.style.height = "100%";
this.internalProgress.style.left = "0px";
this._restoreValues();
this._setLabelPosition();
}
}, _showRemoteProgress:function () {
var _self = this;
if ((this.getMaxProgressValue() == this.getProgressValue()) && this._oInterval) {
clearInterval(this._oInterval);
this._oInterval = null;
this.setProgressValue("100%");
return;
}
var bArgs = {url:_self.dataSource, method:"POST", mimetype:"text/json", error:function (type, errorObj) {
dojo.debug("[ProgressBar] showRemoteProgress error");
}, load:function (type, data, evt) {
_self.setProgressValue((_self._oInterval ? data["progress"] : "100%"));
}};
dojo.io.bind(bArgs);
}, render:function () {
this._setPercentLabel(dojo.string.trim(this._progressPercentValue));
this._setPixelValue(this._pixelValue);
this._setLabelPosition();
}, _setLabelPosition:function () {
var _widthFront = dojo.html.getContentBox(this.frontPercentLabel).width;
var _heightFront = dojo.html.getContentBox(this.frontPercentLabel).height;
var _widthBack = dojo.html.getContentBox(this.backPercentLabel).width;
var _heightBack = dojo.html.getContentBox(this.backPercentLabel).height;
var _leftFront = (parseInt(this.width) - _widthFront) / 2 + "px";
var _bottomFront = (parseInt(this.height) - parseInt(_heightFront)) / 2 + "px";
var _leftBack = (parseInt(this.width) - _widthBack) / 2 + "px";
var _bottomBack = (parseInt(this.height) - parseInt(_heightBack)) / 2 + "px";
this.frontPercentLabel.style.left = _leftFront;
this.backPercentLabel.style.left = _leftBack;
this.frontPercentLabel.style.bottom = _bottomFront;
this.backPercentLabel.style.bottom = _bottomBack;
}, _setPercentLabel:function (percentValue) {
dojo.dom.removeChildren(this.frontPercentLabel);
dojo.dom.removeChildren(this.backPercentLabel);
var _percentValue = this.showOnlyIntegers == false ? percentValue : parseInt(percentValue) + "%";
this.frontPercentLabel.appendChild(document.createTextNode(_percentValue));
this.backPercentLabel.appendChild(document.createTextNode(_percentValue));
}, _setPixelValue:function (value) {
eval("this.internalProgress.style." + this._dimension + " = " + value + " + 'px'");
this.onChange();
}, onChange:function () {
}});
Other Struts examples (source code examples)
Here is a short list of links related to this Struts ProgressBar.js source code file:
|
The search page
Other Struts source code examples at this package level
Click here to learn more about this project
