/* Demo Note:  This demo uses a FileProgress class that handles the UI for displaying the file name and percent complete.
The FileProgress class is not part of SWFUpload.
*/


/* **********************
Event Handlers
These are my custom event handlers to make my
web application behave the way I went when SWFUpload
completes different tasks.  These aren't part of the SWFUpload
package.  They are part of my application.  Without these none
of the actions SWFUpload makes will show up in my application.
********************** */
function fileQueued(file) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("Čekám...");
        progress.toggleCancel(true, this);
        var btnUploads = document.getElementById("btnUpload");

        btnUploads.disabled = false;

    } catch (ex) {
        this.debug(ex);
    }

}

function fileQueueError(file, errorCode, message) {
    try {
        if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
            alert("Překročili jste limit uploadu.");
            return;
        }

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                progress.setStatus("Soubor je příliš velký.");
                this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                progress.setStatus("Soubor nemůže mít 0 bytů");
                this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
                progress.setStatus("Neplatný typ souboru.");
                this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            default:
                if (file !== null) {
                    progress.setStatus("Unhandled Error");
                }
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadStart(file) {
    try {
        /* I don't want to do any file validation or anything,  I'll just update the UI and
        return true to indicate that the upload should start.
        It's important to update the UI here because in Linux no uploadProgress events are called. The best
        we can do is say we are uploading.
        */
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("Ukládám ...");
        var ImgNames = document.getElementById("ImgNames");

        ImgNames.value+='|' + file.name;
        progress.toggleCancel(true, this);
    }
    catch (ex) { }

    return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
    try {
        var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setProgress(percent);
        progress.setStatus("Ukládám ...");
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadSuccess(file, serverData) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setComplete();
        progress.setStatus("Dokončeno.");
        progress.toggleCancel(false);

    } catch (ex) {
        this.debug(ex);
    }
}

function uploadError(file, errorCode, message) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
                progress.setStatus("Upload Error: " + message);
                this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
                progress.setStatus("Upload Failed.");
                this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.IO_ERROR:
                progress.setStatus("Server (IO) Error");
                this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
                progress.setStatus("Security Error");
                this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
                progress.setStatus("Upload limit exceeded.");
                this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
                progress.setStatus("Failed Validation.  Upload skipped.");
                this.debug("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
                progress.setStatus("Cancelled");
                progress.setCancelled();
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                progress.setStatus("Stopped");
                break;
            default:
                progress.setStatus("Unhandled Error: " + errorCode);
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}

// This event comes from the Queue Plugin
function queueComplete(numFilesUploaded) {

    var status = document.getElementById("divStatus");
    status.innerHTML = numFilesUploaded + " soubor" + (numFilesUploaded === 1 ? "" : "ů") + " uložen" + (numFilesUploaded === 1 ? "" : "o");
}