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<?php

/*

    A simple class for displaying file information and progress

    Note: This is a demonstration only and not part of SWFUpload.

    Note: Some have had problems adapting this class in IE7. It may not be suitable for your application.

*/



// Constructor

// file is a SWFUpload file object

// targetID is the HTML element id attribute that the FileProgress HTML structure will be added to.

// Instantiating a new FileProgress object with an existing file will reuse/update the existing DOM elements

function FileProgress(file, targetID) {

    this.fileProgressID = file.id;



    this.opacity = 100;

    this.height = 0;

    



    this.fileProgressWrapper = document.getElementById(this.fileProgressID);

    if (!this.fileProgressWrapper) {

        this.fileProgressWrapper = document.createElement("div");

        this.fileProgressWrapper.className = "progressWrapper";

        this.fileProgressWrapper.id = this.fileProgressID;



        this.fileProgressElement = document.createElement("div");

        this.fileProgressElement.className = "progressContainer";



        var progressCancel = document.createElement("a");

        progressCancel.className = "progressCancel";

        progressCancel.href = "#";

        progressCancel.style.visibility = "hidden";

        progressCancel.appendChild(document.createTextNode(" "));



        var progressText = document.createElement("div");

        progressText.className = "progressName";

        progressText.appendChild(document.createTextNode(file.name));



        var progressBar = document.createElement("div");

        progressBar.className = "progressBarInProgress";



        var progressStatus = document.createElement("div");

        progressStatus.className = "progressBarStatus";

        progressStatus.innerHTML = "&nbsp;";



        this.fileProgressElement.appendChild(progressCancel);

        this.fileProgressElement.appendChild(progressText);

        this.fileProgressElement.appendChild(progressStatus);

        this.fileProgressElement.appendChild(progressBar);



        this.fileProgressWrapper.appendChild(this.fileProgressElement);



        document.getElementById(targetID).appendChild(this.fileProgressWrapper);

    } else {

        this.fileProgressElement = this.fileProgressWrapper.firstChild;

        this.reset();

    }



    this.height = this.fileProgressWrapper.offsetHeight;

    this.setTimer(null);





}



FileProgress.prototype.setTimer = function (timer) {

    this.fileProgressElement["FP_TIMER"] = timer;

};

FileProgress.prototype.getTimer = function (timer) {

    return this.fileProgressElement["FP_TIMER"] || null;

};



FileProgress.prototype.reset = function () {

    this.fileProgressElement.className = "progressContainer";



    this.fileProgressElement.childNodes[2].innerHTML = "&nbsp;";

    this.fileProgressElement.childNodes[2].className = "progressBarStatus";

    

    this.fileProgressElement.childNodes[3].className = "progressBarInProgress";

    this.fileProgressElement.childNodes[3].style.width = "0%";

    

    this.appear();    

};



FileProgress.prototype.setProgress = function (percentage) {

    this.fileProgressElement.className = "progressContainer green";

    this.fileProgressElement.childNodes[3].className = "progressBarInProgress";

    this.fileProgressElement.childNodes[3].style.width = percentage + "%";



    this.appear();    

};

FileProgress.prototype.setComplete = function () {

    this.fileProgressElement.className = "progressContainer blue";

    this.fileProgressElement.childNodes[3].className = "progressBarComplete";

    this.fileProgressElement.childNodes[3].style.width = "";



    var oSelf = this;

    this.setTimer(setTimeout(function () {

        oSelf.disappear();

    }, 10000));

};

FileProgress.prototype.setError = function () {

    this.fileProgressElement.className = "progressContainer red";

    this.fileProgressElement.childNodes[3].className = "progressBarError";

    this.fileProgressElement.childNodes[3].style.width = "";



    var oSelf = this;

    this.setTimer(setTimeout(function () {

        oSelf.disappear();

    }, 5000));

};

FileProgress.prototype.setCancelled = function () {

    this.fileProgressElement.className = "progressContainer";

    this.fileProgressElement.childNodes[3].className = "progressBarError";

    this.fileProgressElement.childNodes[3].style.width = "";



    var oSelf = this;

    this.setTimer(setTimeout(function () {

        oSelf.disappear();

    }, 2000));

};

FileProgress.prototype.setStatus = function (status) {

    this.fileProgressElement.childNodes[2].innerHTML = status;

};



// Show/Hide the cancel button

FileProgress.prototype.toggleCancel = function (show, swfUploadInstance) {

    this.fileProgressElement.childNodes[0].style.visibility = show ? "visible" : "hidden";

    if (swfUploadInstance) {

        var fileID = this.fileProgressID;

        this.fileProgressElement.childNodes[0].onclick = function () {

            swfUploadInstance.cancelUpload(fileID);

            return false;

        };

    }

};



FileProgress.prototype.appear = function () {

    if (this.getTimer() !== null) {

        clearTimeout(this.getTimer());

        this.setTimer(null);

    }

    

    if (this.fileProgressWrapper.filters) {

        try {

            this.fileProgressWrapper.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 100;

        } catch (e) {

            // If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.

            this.fileProgressWrapper.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=100)";

        }

    } else {

        this.fileProgressWrapper.style.opacity = 1;

    }

        

    this.fileProgressWrapper.style.height = "";

    

    this.height = this.fileProgressWrapper.offsetHeight;

    this.opacity = 100;

    this.fileProgressWrapper.style.display = "";

    

};



// Fades out and clips away the FileProgress box.

FileProgress.prototype.disappear = function () {



    var reduceOpacityBy = 15;

    var reduceHeightBy = 4;

    var rate = 30;    // 15 fps



    if (this.opacity > 0) {

        this.opacity -= reduceOpacityBy;

        if (this.opacity < 0) {

            this.opacity = 0;

        }



        if (this.fileProgressWrapper.filters) {

            try {

                this.fileProgressWrapper.filters.item("DXImageTransform.Microsoft.Alpha").opacity = this.opacity;

            } catch (e) {

                // If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.

                this.fileProgressWrapper.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + this.opacity + ")";

            }

        } else {

            this.fileProgressWrapper.style.opacity = this.opacity / 100;

        }

    }



    if (this.height > 0) {

        this.height -= reduceHeightBy;

        if (this.height < 0) {

            this.height = 0;

        }



        this.fileProgressWrapper.style.height = this.height + "px";

    }



    if (this.height > 0 || this.opacity > 0) {

        var oSelf = this;

        this.setTimer(setTimeout(function () {

            oSelf.disappear();

        }, rate));

    } else {

        this.fileProgressWrapper.style.display = "none";

        this.setTimer(null);

    }

};

?>