www.pudn.com > dsj.zip > fck_dialog_common.js

/* 
 * 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 ; 
} 
 
function OpenFileBrowser( url, width, height ) 
{ 
	// oEditor must be defined. 
	 
	var iLeft = ( oEditor.FCKConfig.ScreenWidth  - width ) / 2 ; 
	var iTop  = ( oEditor.FCKConfig.ScreenHeight - height ) / 2 ; 
 
	var sOptions = "toolbar=no,status=no,resizable=yes,dependent=yes" ; 
	sOptions += ",width=" + width ; 
	sOptions += ",height=" + height ; 
	sOptions += ",left=" + iLeft ; 
	sOptions += ",top=" + iTop ; 
 
	// The "PreserveSessionOnFileBrowser" because the above code could be  
	// blocked by popup blockers. 
	if ( oEditor.FCKConfig.PreserveSessionOnFileBrowser && oEditor.FCKBrowserInfo.IsIE ) 
	{ 
		// The following change has been made otherwise IE will open the file  
		// browser on a different server session (on some cases): 
		// http://support.microsoft.com/default.aspx?scid=kb;en-us;831678 
		// by Simone Chiaretta. 
		var oWindow = oEditor.window.open( url, 'FCKBrowseWindow', sOptions ) ; 
		if ( oWindow ) 
			oWindow.opener = window ; 
		else 
			alert( oEditor.FCKLang.BrowseServerBlocked ) ; 
    } 
    else 
		window.open( url, 'FCKBrowseWindow', sOptions ) ; 
}