var lookupTable = new Array();
function addEntry(projectId, configId)
{
    lookupTable[projectId] = configId;
}

function lookup(projectId)
{
    return lookupTable[projectId];
}

function getInputValues(elem)
{
    return getMultiSelectValuesAsArray(elem)
}

function dynamicMultiIssueTypeSelect(id1, id2) {
	// Feature test to see if there is enough W3C DOM support
	if (document.getElementById && document.getElementsByTagName) {
		// Obtain references to both select boxes
		var sel1 = document.getElementById(id1);
		var sel2 = document.getElementById(id2);
		// Clone the dynamic select box
		var clone = sel2.cloneNode(true);
		// Obtain references to all cloned options
		var clonedOptions = clone.getElementsByTagName("option");

        // Onload init: call a generic function to display the related options in the dynamic select box
		refreshDynamicMultiIssueTypeOptions(sel1, sel2, clonedOptions);
		// Onchange of the main select box: call a generic function to display the related options in the dynamic select box
		sel1.onchange = function() {
			refreshDynamicMultiIssueTypeOptions(sel1, sel2, clonedOptions);
            toggleRefresh();
        };
	}
}

var lastArray;

function refreshDynamicMultiIssueTypeOptions(sel1, sel2, clonedOptions) {

    var selectedProjects = getInputValues(sel1);
    // var selectedConfigs = getSelected
	// If the selected projects is the same as the last one, the don't refresh
    

    // Get selected values for issue types list
    var lastSelected = getInputValues(sel2);

    // Delete all options of the dynamic select box
	while (sel2.options.length) {
		sel2.remove(0);
	}
	// Create regular expression objects for "select" and the value of the selected option of the main select box as class names
	var pattern1 = /( |^)(headerOption)( |$)/;


    // Iterate through all cloned options
	for (var i = 0; i < clonedOptions.length; i++) {
		// If the classname of a cloned option either equals "select" or equals the value of the selected option of the main select box
		if (clonedOptions[i].className.match(pattern1) || matchAnyRegex(clonedOptions[i].className, selectedProjects)) {
			// Clone the option from the hidden option pool and append it to the dynamic select box
            addOption(clonedOptions[i], sel2);
		}
	}
    
    // Restore previously selected
  	for (var i = 0; i < sel2.options.length; i++) {
        var currentOpt = sel2.options[i];
        if (arrayContains(lastSelected, currentOpt.value)) {
            try{
                currentOpt.selected = true;
            } catch(e){
                currentOpt.setAttribute('selected', 'true');
            }
        }
        else
        {
            try{
                currentOpt.selected = false;
            } catch(e){
                currentOpt.setAttribute('selected', 'false');
            }
        }
    }

}

function matchAnyRegex(s, array)
{
    if (array.length == 0)
        return true;

    for (var i = 0; i < array.length; i++) {
        var pattern = new RegExp("( |^)(" + lookup(array[i]) + ")( |$)");
        if (s.match(pattern)) {
			return true
		}
	}
    return false;
}

// JRA-9388 - can not use appendChild with the cloned option since this causes IE to pop up a dialog about unsecured
// content when running via SSL
function addOption(clonedOption, sel2)
{
    // This needs to be here because Safari does not support options.add
    if(navigator.userAgent.indexOf('Safari') >= 0 || navigator.userAgent.indexOf('Konqueror') >0)
    {
        sel2.appendChild(clonedOption.cloneNode(true));
    }
    else
    {
        var doc = sel2.ownerDocument;
        if (!doc)
            doc = sel2.document;
        var opt = doc.createElement('OPTION');
        opt.value = clonedOption.value;
        opt.text = clonedOption.text;
        opt.className = clonedOption.className;
        opt.style.backgroundImage = clonedOption.style.backgroundImage;
        sel2.options.add(opt, sel2.options.length);
        if (clonedOption.selected || clonedOption.getAttribute('selected'))
        {
            // JRA-9164 Opera workaround - selected item not being selected
            opt.selected = true;
        }
    }
}