window.js

Java写的ERP系统

/****************************************************************************
 * Compiere (c) Jorg Janke - All rights reseverd
 * $Id: window.js,v 1.1.1.1 2002/10/12 01:06:56 jjanke Exp $
 *
 * Web Window Utilities
 ***************************************************************************/

/****************************************************************************
 *	Text constants
 */
var deleteText = "ConfirmDelete";


/****************************************************************************
 *	Dynamic Display
 *	- for form: WForm
 *	- changing field should have onChange="dynDisplay" to trigger evaluation
 *	- changed field should have document.WForm.field.displayLogic='expression'	
 */
function dynDisplay()
{
	var el = document.WForm.elements;
	//	for all fields
	for (var i = 0; i < el.length; i++)
	{
		//	do we have displayLogic ?
		var dLogic = el[i].displayLogic;		
		if (typeof dLogic == "string" && dLogic.length > 0)
		{
			if (evaluate(dLogic))
				show(el[i].id);
			else
				hide(el[i].id);
		}	//	we have displayLogic
	}	//	for all fields
}	//	dynDisplay

/**
 *	Evaluate Display Logic
 *	>> |& <<
 */
function evaluate (dLogic)
{
	var pos1 = dLogic.indexOf('&');
	var pos2 = dLogic.indexOf('|');

	//	only a tuple	
	if (pos1 == pos2)
	{
		return evaluateTuple(dLogic);
	}

	//	and: &
	else if (pos1 > pos2)
	{
		tuples = dLogic.split('&');
		return evaluateTuple(tuples[0]) && evaluate(dLogic.substring(pos1+1));
	}

	//	or: |
	else
	{
		tuples = dLogic.split('|');
		return evaluateTuple(tuples[0]) || evaluate(dLogic.substring(pos2+1));
	}
}	//	evaluate

/**
 *	evaluate tuple 'x = y' or x ^ y or x ! y
 *	>> =!^ <<
 */
function evaluateTuple(myValue)
{
	//	Equals
	var tuples = myValue.split('=');
	if (tuples.length == 2)
		return getRealValue(tuples[0]) == getRealValue(tuples[1]);
	//	Not Equals
	tuples = myValue.split('^');
	if (tuples.length == 2)
		return getRealValue(tuples[0]) != getRealValue(tuples[1]);
	tuples = myValue.split('!');
	if (tuples.length == 2)
		return getRealValue(tuples[0]) != getRealValue(tuples[1]);
	//
	alert ('Error: evaluateTuple="' + myValue + '" invalid.');
	return false;
}	//	evaluateTuple

/**
 *	get (variable) value
 */
function getRealValue (myValue)
{
	var pos1 = myValue.indexOf('@');
	var pos2 = myValue.indexOf('@', pos1+1);

	//	Constant - remove blanks an '"
	if (pos1 == pos2)
		return myValue.replace(/['" ]/g, "");
	
	//	Variable
	var variable = myValue.substring(pos1+1, pos2);
	for (var i = 0; i < document.WForm.elements.length; i++)
	{
		if (document.WForm.elements[i].name == variable)
			return document.WForm.elements[i].value;
	}
	//	Nothing found
	return "";
}	//	getRealValue


/****************************************************************************
 *	Lookup - get FormName and ColumnName and submit to WLookup
 */
function startLookup (columnName)
{
	var url = "/compiere/WLookup?FormName=" + escape (columnName.form.name)
		+ "&ColumnName=" + escape (columnName.name);
//	alert (url);
	var w = window.open(url, "lookup", 
		"dependent=yes,scrollbars=yes,resizable=yes,width=600,height=300");
	w.focus();
	
	return false;	//	do not submit page
}	//	startLookup

/****************************************************************************
 *	Account - get FormName and ColumnName and submit to WAccount
 */
function startAccount (columnName)
{
	var url = "/compiere/WAccount?FormName=" + escape (columnName.form.name)
		+ "&ColumnName=" + escape (columnName.name);
//	alert (url);
	var w = window.open(url, "account", 
		"dependent=yes,scrollbars=yes,resizable=yes,width=600,height=300");
	w.focus();
	
	return false;	//	do not submit page
}	//	startAccount

/****************************************************************************
 *	Location - get FormName and ColumnName and submit to WLocation
 */
function startLocation (columnName)
{
	var url = "/compiere/WLocation?FormName=" + escape (columnName.form.name)
		+ "&ColumnName=" + escape (columnName.name);
//	alert (url);
	var w = window.open(url, "location", 
		"dependent=yes,scrollbars=yes,resizable=yes,width=600,height=300");
	w.focus();
	
	return false;	//	do not sublit page
}	//	startLocation