Subversion Repositories Applications.papyrus

/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2005 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 *              http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 *              http://www.fckeditor.net/
 * 
 * "Support Open Source software. What about a donation today?"
 * 
 * File Name: fck_dialog_common.js
 *      Useful functions used by almost all dialog window pages.
 * 
 * File Authors:
 *              Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

// Gets a element by its Id. Used for shorter coding.
function GetE( elementId )
{
        return document.getElementById( elementId )  ;
}

function ShowE( element, isVisible )
{
        if ( typeof( element ) == 'string' )
                element = GetE( element ) ;
        element.style.display = isVisible ? '' : 'none' ;
}

function SetAttribute( element, attName, attValue )
{
        if ( attValue == null || attValue.length == 0 )
                element.removeAttribute( attName, 0 ) ;                 // 0 : Case Insensitive
        else
                element.setAttribute( attName, attValue, 0 ) ;  // 0 : Case Insensitive
}

function GetAttribute( element, attName, valueIfNull )
{
        var oAtt = element.attributes[attName] ;

        if ( oAtt == null || !oAtt.specified )
                return valueIfNull ? valueIfNull : '' ;

        var oValue ;
        
        if ( !( oValue = element.getAttribute( attName, 2 ) ) )
                oValue = oAtt.nodeValue ;

        return ( oValue == null ? valueIfNull : oValue ) ;
}

// Functions used by text fiels to accept numbers only.
function IsDigit( e )
{
        e = e || event ;
        var iCode = ( e.keyCode || e.charCode ) ;

        event.returnValue =
                (
                        ( iCode >= 48 && iCode <= 57 )          // Numbers
                        || (iCode >= 37 && iCode <= 40)         // Arrows
                        || iCode == 8                                           // Backspace
                        || iCode == 46                                          // Delete
                ) ;

        return event.returnValue ;
}

String.prototype.trim = function()
{
        return this.replace( /(^\s*)|(\s*$)/g, '' ) ;
}

String.prototype.startsWith = function( value )
{
        return ( this.substr( 0, value.length ) == value ) ;
}

String.prototype.remove = function( start, length )
{
        var s = '' ;

        if ( start > 0 )
                s = this.substring( 0, start ) ;

        if ( start + length < this.length )
                s += this.substring( start + length , this.length ) ;

        return s ;
}