Ticket #2125: fck_file.js

/*
 * File Authors:
 *              Alfonso Martínez de Lizarrondo
 *
 * Based on fck_link.js
 * 
 */

function Import(aSrc) {
   document.write('<scr'+'ipt type="text/javascript" src="' + aSrc + '"></sc' + 'ript>');
}

var oEditor             = window.parent.InnerDialogLoaded() ;
var FCK                 = oEditor.FCK ;
var FCKLang             = oEditor.FCKLang ;
var FCKConfig   = oEditor.FCKConfig ;

Import(FCKConfig.FullBasePath + 'dialog/common/fck_dialog_common.js');


//#### Initialization Code

// oLink: The actual selected link in the editor.
var oLink = FCK.Selection.MoveToAncestorNode( 'A' ) ;
if ( oLink )
        FCK.Selection.SelectNode( oLink ) ;

window.onload = function()
{
        // Translate the dialog box texts.
        oEditor.FCKLanguageManager.TranslatePage(document) ;

        // Load the selected link information (if any).
        LoadSelection() ;


        GetE('frmUpload').action = FCKConfig.LinkUploadURL ;

        // Activate the "OK" button.
        window.parent.SetOkButton( true ) ;
}


function LoadSelection()
{
        if ( !oLink ) {
                //set the focus on the file selector
                GetE("txtUploadFile").focus();
                return ;
        }
        
        // Get the actual Link href.
        var sHRef = oLink.getAttribute( '_fcksavedurl' ) ;
        if ( !sHRef || sHRef.length == 0 )
                sHRef = oLink.getAttribute( 'href' , 2 ) + '' ;
        

        GetE('txtUrl').value = sHRef ;

        GetE('txtAttTitle').value               = oLink.title ;
}


//#### The OK button was hit.
function Ok()
{
        var sUri, sInnerHtml ;

        //check if the user has selected a file to upload (we're overiding the default behaviour of the link dialog)
        var sFile = GetE('txtUploadFile').value ;
        if (sFile.length > 0) 
        {
                //upload the file
                if ( CheckUpload() )
                        GetE('frmUpload').submit();

                return false ; // We'll finish once the file is at the server
        }

        sUri = GetE('txtUrl').value ;
        if ( sUri.length == 0 )
        {
                // If the url is empty check to see if they have already selected a file
                CheckUpload();
                return false ; 
        }

        // Workaround to make IE happy
        window.focus();
        oEditor.FCKUndo.SaveUndoStep() ;

        // If no link is selected, create a new one (it may result in more than one link creation - #220).
        var aLinks = oLink ? [ oLink ] : oEditor.FCK.CreateLink( sUri, true ) ;
        
        // If no selection, no links are created, so use the uri as the link text (by dom, 2006-05-26)
        var aHasSelection = ( aLinks.length > 0 ) ;
        if ( !aHasSelection )
        {
                sInnerHtml = sUri;

                // Try to built better text for empty link
                // Adjusted to get only the file name and exclude the path:
                var oLinkPathRegEx = new RegExp("(^.*\\/|^)([^\\/]*?)(\\?.*$|$)");
                var asLinkPath = oLinkPathRegEx.exec( sUri );
                if (asLinkPath != null)
                        sInnerHtml = asLinkPath[2];  // use matched path

                // Create a new (empty) anchor.
                aLinks = [ oEditor.FCK.InsertElement( 'a' ) ] ;
        }
        
//      sUri = encodeURI( sUri ).replace( '#', '%23' );
        for ( var i = 0 ; i < aLinks.length ; i++ )
        {
                oLink = aLinks[i] ;
        
                if ( aHasSelection )
                        sInnerHtml = oLink.innerHTML ;          // Save the innerHTML (IE changes it if it is like an URL).

                oLink.href = sUri ;
                SetAttribute( oLink, '_fcksavedurl', sUri ) ;

                // Target
                SetAttribute( oLink, 'target', '_blank' ) ;

                // Advances Attributes
                SetAttribute( oLink, 'title', GetE('txtAttTitle').value ) ;

                oLink.innerHTML = sInnerHtml ;          // Set (or restore) the innerHTML
        }

        // Select the (first) link.
        oEditor.FCKSelection.SelectNode( aLinks[0] );
        
        return true ;
}


function SetUrl( url )
{
        document.getElementById('txtUrl').value = url ;
}

function OnUploadCompleted( errorNumber, fileUrl, fileName, customMsg )
{

        switch ( errorNumber )
        {
                case 0 :        // No errors
//                      alert( 'Your file has been successfully uploaded' ) ;
                        break ;
                case 1 :        // Custom error
                        alert( customMsg ) ;
                        return ;
                case 101 :      // Custom warning
                        alert( customMsg ) ;
                        break ;
                case 201 :
//                      alert( 'A file with the same name is already available. The uploaded file has been renamed to "' + fileName + '"' ) ;
                        break ;
                case 202 :
                        alert( 'Invalid file type' ) ;
                        return ;
                case 203 :
                        alert( "Security error. You probably don't have enough permissions to upload. Please check your server." ) ;
                        return ;
                default :
                        alert( 'Error on file upload. Error number: ' + errorNumber ) ;
                        return ;
        }

        SetUrl( fileUrl ) ;
        GetE('frmUpload').reset() ;

        // Press the Ok button if we had only a warning or it was succesful
        if (errorNumber == 0 || errorNumber == 101  || errorNumber == 201 )
                window.parent.Ok();
}

var oUploadAllowedExtRegex      = new RegExp( FCKConfig.LinkUploadAllowedExtensions, 'i' ) ;
var oUploadDeniedExtRegex       = new RegExp( FCKConfig.LinkUploadDeniedExtensions, 'i' ) ;

function CheckUpload()
{
        var sFile = GetE('txtUploadFile').value ;
        
        if ( sFile.length == 0 )
        {
                alert( 'Please select a file to upload' ) ;
                return false ;
        }
        
        if ( ( FCKConfig.LinkUploadAllowedExtensions.length > 0 && !oUploadAllowedExtRegex.test( sFile ) ) ||
                ( FCKConfig.LinkUploadDeniedExtensions.length > 0 && oUploadDeniedExtRegex.test( sFile ) ) )
        {
                OnUploadCompleted( 202 ) ;
                return false ;
        }
        
        return true ;
}