www.pudn.com > dsj.zip > fck_select.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_select.js 
 * 	Scripts for the fck_select.html page. 
 *  
 * File Authors: 
 * 		Frederico Caldeira Knabben (fredck@fckeditor.net) 
 */ 
 
function Select( combo ) 
{ 
	var iIndex = combo.selectedIndex ; 
 
	oListText.selectedIndex		= iIndex ; 
	oListValue.selectedIndex	= iIndex ; 
 
	var oTxtText	= document.getElementById( "txtText" ) ; 
	var oTxtValue	= document.getElementById( "txtValue" ) ; 
 
	oTxtText.value	= oListText.value ; 
	oTxtValue.value	= oListValue.value ; 
} 
 
function Add() 
{ 
	var oTxtText	= document.getElementById( "txtText" ) ; 
	var oTxtValue	= document.getElementById( "txtValue" ) ; 
 
	AddComboOption( oListText, oTxtText.value, oTxtText.value ) ; 
	AddComboOption( oListValue, oTxtValue.value, oTxtValue.value ) ; 
 
	oListText.selectedIndex = oListText.options.length - 1 ; 
	oListValue.selectedIndex = oListValue.options.length - 1 ; 
 
	oTxtText.value	= '' ; 
	oTxtValue.value	= '' ; 
 
	oTxtText.focus() ; 
} 
 
function Modify() 
{ 
	var iIndex = oListText.selectedIndex ; 
 
	if ( iIndex < 0 ) return ; 
 
	var oTxtText	= document.getElementById( "txtText" ) ; 
	var oTxtValue	= document.getElementById( "txtValue" ) ; 
 
	oListText.options[ iIndex ].innerHTML	= oTxtText.value ; 
	oListText.options[ iIndex ].value		= oTxtText.value ; 
 
	oListValue.options[ iIndex ].innerHTML	= oTxtValue.value ; 
	oListValue.options[ iIndex ].value		= oTxtValue.value ; 
 
	oTxtText.value	= '' ; 
	oTxtValue.value	= '' ; 
 
	oTxtText.focus() ; 
} 
 
function Move( steps ) 
{ 
	ChangeOptionPosition( oListText, steps ) ; 
	ChangeOptionPosition( oListValue, steps ) ; 
} 
 
function Delete() 
{ 
	RemoveSelectedOptions( oListText ) ; 
	RemoveSelectedOptions( oListValue ) ; 
} 
 
function SetSelectedValue() 
{ 
	var iIndex = oListValue.selectedIndex ; 
	if ( iIndex < 0 ) return ; 
 
	var oTxtValue = document.getElementById( "txtSelValue" ) ; 
 
	oTxtValue.value = oListValue.options[ iIndex ].value ; 
} 
 
// Moves the selected option by a number of steps (also negative) 
function ChangeOptionPosition( combo, steps ) 
{ 
	var iActualIndex = combo.selectedIndex ; 
 
	if ( iActualIndex < 0 ) 
		return ; 
 
	var iFinalIndex = iActualIndex + steps ; 
 
	if ( iFinalIndex < 0 ) 
		iFinalIndex = 0 ; 
 
	if ( iFinalIndex > ( combo.options.lenght - 1 ) ) 
		iFinalIndex = combo.options.lenght - 1 ; 
 
	if ( iActualIndex == iFinalIndex ) 
		return ; 
 
	var oOption = combo.options[ iActualIndex ] ; 
	var sText	= oOption.innerHTML ; 
	var sValue	= oOption.value ; 
 
	combo.remove( iActualIndex ) ; 
 
	oOption = AddComboOption( combo, sText, sValue, null, iFinalIndex ) ; 
 
	oOption.selected = true ; 
} 
 
// Remove all selected options from a SELECT object 
function RemoveSelectedOptions(combo) 
{ 
	// Save the selected index 
	var iSelectedIndex = combo.selectedIndex ; 
 
	var oOptions = combo.options ; 
 
	// Remove all selected options 
	for ( var i = oOptions.length - 1 ; i >= 0 ; i-- ) 
	{ 
		if (oOptions[i].selected) combo.remove(i) ; 
	} 
 
	// Reset the selection based on the original selected index 
	if ( combo.options.length > 0 ) 
	{ 
		if ( iSelectedIndex >= combo.options.length ) iSelectedIndex = combo.options.length - 1 ; 
		combo.selectedIndex = iSelectedIndex ; 
	} 
} 
 
// Add a new option to a SELECT object (combo or list) 
function AddComboOption( combo, optionText, optionValue, documentObject, index ) 
{ 
	var oOption ; 
 
	if ( documentObject ) 
		oOption = documentObject.createElement("OPTION") ; 
	else 
		oOption = document.createElement("OPTION") ; 
 
	if ( index != null ) 
		combo.options.add( oOption, index ) ; 
	else 
		combo.options.add( oOption ) ; 
 
	oOption.innerHTML = optionText.length > 0 ? optionText : ' ' ; 
	oOption.value     = optionValue ; 
 
	return oOption ; 
}