// ----- Global variables ----- //


var StaticListTreeOptions = {
	dropOn: ".GridPanel",
	placeholder: 'listsSortableTreePlaceholder',
	tabSize: 20,
	maxDepth: 3,
	maxDepthError: 'ui-tree-deptherror',
	maxDepthErrorText: ' ',
	maxItems: [7000],
	maxItemsError: 'ui-tree-limiterror',
	maxItemsErrorText: 'You have reached the maximum number of items for this level!',
	handle: '.sort-handle, .sort-handle img'
};


var ajaxFormOptions = {
	success:   showResponse,
	beforeSend: beforeSendPost,
	dataType:  'xml'
};


function beforeSendPost() {

	if(this.data.indexOf('matchtype=and') == -1 && this.data.indexOf('matchtype=or') == -1 ) {
		var matchType = $('.matchselect').val();
		matchType = matchType.toLowerCase();
		this.data = this.data.replace('matchtype=', 'matchtype=' + matchType);
	}

	if($('#list_static:checked').exists()){
		// validate that they inserted correct links and text
		if($('#staticListlinksList .staticFieldText[value=""]').exists() || $('#staticListlinksList .staticFieldText[value="' + defaultStaticLinkText + '"]').exists()){
			alert('You did not enter text for one or more links.');
			return false;
		}

		if($('#staticListlinksList  .staticFieldURL[value=""]').exists() || $('#staticListlinksList  .staticFieldURL[value="' + defaultStaticLinkUrl + '"]').exists()){
			alert('You did not enter a URL for one or more links.');
			return false;
		}

		this.data = this.data + '&' + $('#staticListlinksList').tree("serialize");

	}else if($('#list_dynamic:checked').exists() && $('#list_content:checked').exists()) {
		if(!$('.SelectedRow input:checked').exists()) {
			alert('You need to choose at least one content type first.');
			return false;
		}
	}
}


/**
 * showResponse
 * This function is the callback function used after a successful return from the ajax form submission
 */
function showResponse(xml, statusText)  {
	if($('status', xml).text() == 1){
		$('#listid').val($('listid', xml).text());
		if ($('redirect', xml).text() == 1) {
			location.href = "index.php?section=lists&action=view";
		} else {
			//	we have to html encode the listname since we're building the message string client-side
			var listname = $('<div></div>').text($('listname', xml).text()).html();

			var msg = iwp.lang.get('ListSaveSuccessfully').replace('%s', listname);
			$('#MainMessage').successMessage(msg);
		}
	}else if($('status', xml).text() == 0){
		$('html').scrollTo( 'body', 500 );

		var errors = $('message', xml).text();

		setTimeout("$(\"#MainMessage\").errorMessage(\""+iwp.lang.get('ErrorSavingList')+" \"," +errors+ ");", 5);
		setTimeout("EmptyFields(" +$('errorfields', xml).text()+ ");", 5);

	}
}

/**
 * CheckTemplateOptions
 * This function checks the template option radio fields and determines whether or not additional options need to be shown
 */

function CheckTemplateOptions(){
	var selectedOption = $('input:checked[name=template_type]').attr('id');
	if(selectedOption == 'template_default'){
		$('#templateBlockList').hide();
	}else{
		$('#templateBlockList').show();
	}
}

/**
 * CheckFieldsToShow
 * Checks which of the 'List Type' (dyanmic, static, rss) radio fields are selected and hides/shows the field divs based on this value
 */
function CheckFieldsToShow(){
	var option = $('input:checked[name=list_type]').attr('id');

	$('.dynamic_fields').hide();
	$('#static_fields').hide();
	$('#filter_options').hide();
	$('#rss_fields').hide();
	$('#list_options').hide();

	$('#limitnumber').show();
	$('#itemnumbertype').show();

	if(option == 'list_dynamic'){
		$('.dynamic_fields').show();
		$('.dynamic_help').hide();
		$('#filter_options').show();
		$('#list_options').show();
		return;
	}

	if(option == 'list_static'){
		$('#static_fields').show();
		$('.dynamic_help').show();
		$('#limitnumber').hide();
		$('#itemnumbertype').hide();
		return;
	}

	if(option == 'list_rss'){
		$('#rss_fields').show();
		$('.dynamic_help').show();
		return;
	}
}


/**
 * CheckListConsists
 * This checks to see what type of data is selected (content,comments,categories or users) to populate the drop down lists appropriately and display any additional fields.
 *
 * @param boolean ignoreNewField This flags whether or not a new filter should be added or not. When editing, usually we don't want a blank one added, but we do when creating or switching datatype
 */

function CheckListConsists(ignoreNewField){
	if(typeof(ignoreNewField) == 'undefined'){
		var ignoreNewField = false;
	}

	var option = $('input:checked[name=list_consists]').attr('id');

	if(option == currentContentDataType) {
		// they clicked on the same field they were  already on
		return;
	}

	$('#category_options').hide();
	$('#contentTypeListDiv').hide();

	currentContentDataType = option;

	if(option == 'list_categories'){
		$('#category_options').show();
		$('#filter_list').html('');
		if(!ignoreNewField){
			AddFilter();
		}
		PopulateList('.filter_select_field', CategoryFields);
		PopulateList('#orderbyfield', CategoryFields);
		$('#orderbyfield').selectOptions(DefaultSelectedCategoryField, true);
		if(!ignoreNewField){
			$('#orderbydirection').selectOptions(DefaultCategoryOrder, true);
		}
		return;
	}

	if(option == 'list_users'){
		$('#filter_list').html('');
		if(!ignoreNewField){
			AddFilter();
		}
		PopulateList('.filter_select_field', UserFields);
		PopulateList('#orderbyfield', UserFields);
		$('#orderbyfield').selectOptions(DefaultSelectedUserField, true);
		if(!ignoreNewField){
			$('#orderbydirection').selectOptions(DefaultUserOrder, true);
		}
		return;
	}

	if(option == 'list_content'){
		$('#filter_list').html('');
		if(!ignoreNewField){
			AddFilter();
		}
		PopulateList('.filter_select_field', ContentFields);
		PopulateList('#orderbyfield', ContentFields);

		// remove the start date field from a filters (keeping it as a sortable field)
		// the visibility code already adds a condition for start date
		// and the date picker field has not bee implemented for filters
		$('.filter_select_field option[value=startdate]').remove();

		$('#contentTypeListDiv').show();
		$('#orderbyfield').selectOptions(DefaultSelectedContentField, true);
		if(!ignoreNewField){
			$('#orderbydirection').selectOptions(DefaultContentOrder, true);
		}
		return;
	}
}

/**
 * Populate List
 * Takes two paramaters, first is the id of a list box, the second is an option list to put into the list
 */
function PopulateList(list, options){
	$(list).removeOption(/./);
	$(list).addOption(options, false);
}

/**
 * AddFilter
 * This function adds a new filter row where the user can select the field and filter options
 */
function AddFilter(appendId){
	if(typeof(appendId) == 'undefined'){
		var appendId = 0;
	}
	var newFilter = $('#filterOptionBase').html();

	var filterid = filterCounter;
	newFilter = newFilter.replace(/_id/g, filterCounter);

	if(appendId == 0){
		$('#filter_list').append('<div id="list_filter_' +filterCounter + '">' + newFilter + '</div>');
	}else{
		$('#list_filter_'+appendId).after('<div id="list_filter_' +filterCounter + '">' + newFilter + '</div>');
	}

	if($('#filter_list div').size() > 1){
		$('#filter_list .remove_filter_class').show();
	}

	if($('#filter_list div').size() < 2){
		$('#filter_list .remove_filter_class').hide();
	}

	$('#field_select'+filterCounter).attr('name', 'filter_field['+filterCounter+']');

	filterCounter++;
	return filterid;
}

/**
 * RemoveFilter
 * This function removes a filter based on an input number
 *
 * @param number optionNumber This is the ID number of the row to be removed
 */

function RemoveFilter(optionNumber, updateContentTypeList, skipLastFilterCheck){
	if (typeof skipLastFilterCheck == 'undefined') {
		var skipLastFilterCheck = false;
	}

	if(!skipLastFilterCheck && $('#filter_list div').size() < 2){
		alert(iwp.lang.get('NotRemoveLastFilter'));
		return;
	}

	if(!iwp.util.isDefined(updateContentTypeList)){
		var updateContentTypeList = false;
		if($('#field_select' + optionNumber).selectedValues() == 'contenttype'){
			updateContentTypeList = true;
		}
	}

	$('#list_filter_'+optionNumber).remove();

	if($('#filter_list div').size() < 1){
		$('#filter_list .remove_filter_class').hide();
	}

	if(updateContentTypeList){
		UpdateContentTypeListFromFilters();
	}
}

function UpdateMatchType(text){
	$('.matchselect').selectOptions(text.toLowerCase(),true);
	$('#matchtype_hidden').val(text.toLowerCase());
}

/**
 * CheckFilterField
 * This function checks the drop down box for a specified filter option to check what other options should be displayed
 */

function CheckFilterField(filterid){
	var fieldValue = '';
	var tmp = '';
	var split = '';
	var contentName = '';

	if(currentContentDataType == 'list_categories'){
		contentName = 'category';
	}else{
		contentName = currentContentDataType.replace('list_', '');
	}

	fieldValue = $('#field_select' + filterid).selectedValues()[0];

	if($('#filter_action'+filterid).exists()){
		$('#filter_action'+filterid).remove();
	}

	if($('#filter_value'+filterid).exists()){
		$('#filter_value'+filterid).remove();
	}

	$('#field_select'+filterid).after('<select id="filter_action'+filterid+'" name="filter_action['+filterid+']" class="Field150 filter_action"></select>');

	if(ValueField[contentName][fieldValue] == 'textbox') {
		$('#filter_action'+filterid).after('<input id="filter_value'+filterid+'" name="filter_value['+filterid+']" class="Field150 filter_value" type="text" />');

	} else if(ValueField[contentName][fieldValue].substr(0,13) == 'remote_select') {
		split = ValueField[contentName][fieldValue].split(":");
		$('#filter_action'+filterid).after('<select id="filter_value'+filterid+'" name="filter_value['+filterid+']" class="Field150 filter_value"></select>');

		if($('#field_select'+filterid).selectedValues() == 'contenttype' && countObject(objContentTypeList) > 0){
			var addOptionData = {};
			for (i in objContentTypeList){
				addOptionData[i] = objContentTypeList[i];
			}
			$('#filter_value'+filterid).addOption(addOptionData,false);
		}else{
			$.getJSON('remote.php?'+split[1],
				function(data){
					$('#filter_value'+filterid).addOption(data,false);
					if($('#field_select'+filterid).selectedValues() == 'contenttype'){
						objContentTypeList = data;
					}
				}
			);
		}

		if($('#field_select'+filterid).selectedValues() == 'contenttype') {
			$('#filter_value'+filterid).bind('change', function(){
				UpdateContentTypeListFromFilters();
			});

			$('#field_select'+filterid).bind('change', function(){
				if($(this).selectedValues() != 'contenttype'){
					$(this).unbind('change');
				}
				UpdateContentTypeListFromFilters();
			});
		}
	}else if(ValueField[contentName][fieldValue] == 'datepicker'){
		$('#filter_action'+filterid).after('<input id="filter_value'+filterid+'" name="filter_value['+filterid+']" class="Field150 filter_value date-pick-'+filterid+'" type="text" />');
		$('.date-pick-'+filterid).datePicker({ clickInput:true,startDate: '01/01/1900', endDate: '01/01/8000' }).val(new Date().asString()).trigger('change');
	}

	addOptions = {};
	var name = '';

	for(i=0;i<TypeList[contentName][fieldValue].length;i++){
		name = TypeList[contentName][fieldValue][i];
		addOptions[name] = ActionLangList[name];
	}

	if(addOptions.length > 1){
		$('#filter_action'+filterid).addOption({'0': iwp.lang.get('ListPleaseSelect')}, false);
	}

	$('#filter_action'+filterid).addOption(addOptions, false);
}


/**
 * This function takes the list of content types that have filters and ensures the right ones are checked on the main tab
 */

function UpdateContentTypeListFromFilters(){
	var listIds = [];

	$('#filter_list div').each(function() {
		var thisId = $(this).attr('id');
		thisId = thisId.replace('list_filter_', '');
		if($(this).children('.filter_select_field').val() == 'contenttype'){
			if($(this).children('.filter_value').val() > 0){
				listIds.push($(this).children('.filter_value').val());
			}
		}
	});

	$('#contentTypeList input:checked').each(function(){
		$(this).attr('checked', false);
		$(this).parent().removeClass('SelectedRow');
	});

	$('#contentTypeList input:checkbox').each(function(){
		var tmpId = $(this).attr('id');
		tmpId = tmpId.replace('ISelector_id__', '');
		if(in_array($(this).val(), listIds)){
			$('#ISelector_'+tmpId).trigger('click');
		}
	});
}

function TogglestaticListLinkWindow(id){
	if($('#staticListNewWindow-'+id).val() == 'no'){
		$('#staticListNewWindow-'+id).val('yes');
		$('#linkNewWindow_'+id).attr('src', 'images/windownew.png');
	}else{
		$('#staticListNewWindow-'+id).val('no');
		$('#linkNewWindow_'+id).attr('src', 'images/windowsame.png');
	}
}

function DeleteStaticListLink(id){
	if($('#staticListlinksList li').size() < 2){
		alert(iwp.lang.get('ListNotRemoveLastLink'));
		return;
	}

	if(!confirm(iwp.lang.get('ConfirmDeleteStaticLink'))){
		return;
	}

	$('#staticListText-'+id).remove();
	$('#staticListUrl-'+id).remove();
	$('#linkNewWindow_'+id).remove();

	animate_color('staticListOrder_'+id+ ' table tr td', 'red');

	setTimeout("$('#staticListOrder_"+id+"').remove();$('#staticListlinksList').tree( 'destroy' );$('#staticListlinksList').tree(StaticListTreeOptions); if($('#staticListlinksList li').size() < 2){ $('#staticListlinksList .remove_link_class').hide(); }", 150);

	// $('#MainMessage').warningMessage('The link has been removed but you will need to save the list for the changes to take effect.');
}

function AddstaticListLinkAfter(afterId,text,url,newwindow,itemid, parentid, updateLinkSortOrder){
	AddstaticListLink(text,url,newwindow,itemid, parentid, updateLinkSortOrder, afterId);
}

function AddstaticListLink(text,url,newwindow,itemid, parentid, updateLinkSortOrder, afterId){
	if(typeof(text) == 'undefined'){
		text = defaultStaticLinkText;
	}
	if(typeof(itemid) == 'undefined'){
		updateLinkSortOrder = true;
	}

	if(typeof(itemid) == 'undefined'){
		itemid = -1;
		var dbId = 0;
	}else{
		var dbId = itemid;
		itemid = -1;
	}

	if(typeof(parentid) == 'undefined'){
		parentid = -1;
	}
	if(typeof(url) == 'undefined'){
		url = defaultStaticLinkUrl;
	}
	if(typeof(newwindow) == 'undefined'){
		newwindow = "no";
	}

	linkRowCounter++;
	var newLinkRow = linkRow;


	if(itemid > 0){
		var RowID = itemid;
	}else{
		var RowID = linkRowCounter;
	}

	newLinkRow = newLinkRow.replace(/%%rowid%%/g ,RowID);

	$('#staticListlinksListDiv').show();
	$('#staticListlinksList').show();
	$('#currentLinksHeader').show();

	if(parentid < 1){
		if(iwp.util.isDefined(afterId)){
			$(newLinkRow).insertAfter('#staticListOrder_' + afterId);
		}else{
			$('#staticListlinksList').append(newLinkRow);
		}

	}else{
		if(!$('.rowid_'+parentid+' > ul').exists()){
			$('.rowid_'+parentid).append('<ul></ul>');
		}

		if(iwp.util.isDefined(afterId)){
			$(newLinkRow).insertAfter('#staticListOrder_' + afterId);
		}else{
			$('.rowid_'+parentid+' > ul').append(newLinkRow);
		}
	}

	$('#staticListText-'+RowID).val(text);
	if(dbId > 0){
		$('#staticListOrder_'+RowID).addClass('rowid_' + dbId);
	}
	$('#staticListUrl-'+RowID).val(url);
	$('#linkNewWindow_'+RowID).selectOptions(newwindow);
	$('#staticListText-'+RowID+', #staticListUrl-'+RowID).bind('mouseover',
		function () {
			if(!$(this).hasClass("inPlaceFieldFocus")) {
				$(this).addClass("inPlaceFieldHover");
			}
		}
	);

	$('#staticListText-'+RowID+', #staticListUrl-'+RowID).bind('mouseout',
		function () {
			$(this).removeClass("inPlaceFieldHover");
		}
	);

	$('#staticListText-'+RowID).bind('blur',
		function () {
			$(this).removeClass("inPlaceFieldFocus");
			if(this.value == ''){
				this.value = defaultStaticLinkText;
			}
		}
	);

	$('#staticListUrl-'+RowID).bind('blur',
		function () {
			$(this).removeClass("inPlaceFieldFocus");
			if(this.value == '' || this.value == 'http://'){
				this.value = defaultStaticLinkUrl;
			}
		}
	);

	$('#staticListText-'+RowID).bind('focus',
		function () {
			$(this).removeClass("inPlaceFieldHover");
			$(this).addClass("inPlaceFieldFocus");

			if(this.value == defaultStaticLinkText){
				this.value = '';
			}
		}
	);

	$('#staticListUrl-'+RowID).bind('focus',
		function () {
			$(this).removeClass("inPlaceFieldHover");
			$(this).addClass("inPlaceFieldFocus");

			if(this.value == defaultStaticLinkUrl){
				this.value = 'http://';
			}
		}
	);

	$('#staticListlinksList').tree( "destroy" );
	$('#staticListlinksList').tree(StaticListTreeOptions);

	new IWPUrlBrowser($('#staticListUrlBrowser-'+ RowID), $('#staticListUrl-'+ RowID), $('#staticListText-'+ RowID));

	if($('#staticListlinksList li').size() < 2){
		$('#staticListlinksList .remove_link_class').hide();
	}else{
		$('#staticListlinksList .remove_link_class').show();
	}
}

/**
 * This function takes the list of content types that are selected on the main tab, and determines the filters for them on the advanced tab
 */
function UpdateContentTypeFiltersFromList(){
	var listIds = [];
	var currentFilterContentTypeIds = [];
	$('#contentTypeList input:checked').each(function(){
		listIds.push($(this).attr('value'));
	});

	if($('#filter_list div').size() > 0){
		$('#filter_list div').each(function(){
			if($(this).children('.filter_select_field').selectedValues() == 'contenttype'){
				currentFilterContentTypeIds.push($(this).children('.filter_value').attr('value'));
				var thisId = $(this).attr('id');
				thisId = thisId.replace('list_filter_', '');
				RemoveFilter(thisId, false, true);

			}else if($(this).children('.filter_select_field').selectedValues() == '0'){
				var thisId = $(this).attr('id');
				thisId = thisId.replace('list_filter_', '');
				RemoveFilter(thisId, false, true);
			}
		});
	}

	if(listIds.length == 0){
		//	length will be 0 if it's a list of categories
		AddFilter();
		return;
	}

	var rowNum = 0;
	var currId = '';

	for(rowCount=0;rowCount<listIds.length;rowCount++){
		rowNum = AddFilter();
		$('#field_select'+rowNum).selectOptions('contenttype', true);
		CheckFilterField(rowNum);
		currId = listIds[rowCount].toString();
		if(!$('#filter_value'+rowNum).containsOption(/./)){
			window.setTimeout("$('#filter_value"+rowNum+"').selectOptions('"+currId+"', true);", 200);
		}else{
			$('#filter_value'+rowNum).selectOptions(currId, true);
		}
	}

	AddFilter();
}

function countObject(obj){
	var cnt = 0;
	for( var i in obj ) {
		cnt++;
	}
	return cnt;
}