/**
 * ZWare Business Function Library (ZBF)
 *
 * Javascript utility library - always included by system
 *
 * @category 	ZBF_LIB
 * @package  	Service
 * @subpackage  Javascript
 * @copyright  	ZWare Limited, UK, 2009
 * @author 		Ashley Kitson
 * @license		http://zware.co.uk/docs/license This is not free software
 */

/**
 * holds array of action script urls
 * {popId=>url}
 */
var _actionUrl = {};
/**
 * holds array of flags to determine if we want to do any post save functionality
 * {popId=>['gridTransfer',gridId}  gridTransfer = transfer data from popup to grid
 */
var _postSave = {};
/**
 * holds array of objects for transfering columns of data from form back to a grid
 * {popId=>[colName,colName,...]}
 */
var _gridTransferParam = {};

/**
 * Popup an edit form
 *
 * @param string popId Popup container id name
 * @param int id Id of item to be edited
 */
function popformEdit(popId,id,extraParams) {
	var parms = {'id':id,'jsop':'getform'};
	if (typeof extraParams !== 'undefined') {
		for (attrname in extraParams) { parms[attrname] = extraParams[attrname]; }
	}
	$.getJSON(_actionUrl[popId], parms,
		 function (data, textStatus) {
		 	if (data.success) {
		 		$('#' + popId).html(data.data);
		 		popFormDateTime(popId);
		 		$('#' + popId + ' :input:checkbox').parent().next().remove();//remove <br> from checkboxes
		 		$('#' + popId).dialog('open');
		 	} else {
		 		alert('Unable to retrieve form');
		 	}
		 }
	);
};
/**
 * Initialise popup form datetime elements
 */
function popFormDateTime(popId) {
	if (typeof Date.CultureInfo == 'undefined') return;
    var frmt = Date.CultureInfo.formatPatterns.shortDate;
    frmt = frmt.replace('dd','<xx>');
    frmt = frmt.replace('d','%e');
    frmt = frmt.replace('<xx>','%d');
    frmt = frmt.replace('MM','%m');
    frmt = frmt.replace('M','%m');
    frmt = frmt.replace('yyyy','%Y');
    frmt = frmt.replace('yy','%y');
    var frmtDate = frmt;
    var frmtDateTime = frmt + " %H:%M";
    $( "#" + popId + " input.zwdate-pick" ).dynDateTime(
     {showsTime: false,
      ifFormat: frmtDate}
    );
    $( "#" + popId + " input.zwdatetime-pick" ).dynDateTime(
     {showsTime: true,
      ifFormat: frmtDateTime}
    );
}

/**
 * Submit a popup form and transfer data to a grid
 *
 * @param string popId Popup container id name
 */
function popformSave(popId) {
$.post(_actionUrl[popId] + '/jsop/submit',
		formToJSON('#' + popId),
		function(data,textStatus) {
			data = $.evalJSON(data);
			if (data.success) {
				//do any post save processing required
				if (_postSave[popId]) {
					if (_postSave[popId][0] == 'gridTransfer') {
						gridTransfer(popId);
					}
				}
				$('#' + popId).dialog('close');
			} else {
					//insert error messages for each element
				for (var i in data) {
    				var msg = '<ul class="errors">';
					for (var x in data[i]) {
						msg += '<li>' + data[i][x] + '</li>';
					}
					msg += '</ul>';
					$('#' + i).after(msg);
				}
			}
		}
	);
};
/**
 * Display a popup input form dialog for a jsTree node or jQuery object
 * @param jsTree|jQuery node node to edit
 */
function dispPop(node) {
	//fetch data to populate the dialog
	if ($(node).attr('id')) { //check if it is a jQuery object
		var name = $(node).attr('id');
	} else { //its a jsTree object
		var name = node.selected.attr('id');
	}

	$.get(_frmAction + '/op/fetch',
		{'id':name},
		function(data,textStatus){
			JSONToForm('#popup',data);
	    	$('#popup').dialog('open');
		}
	)

};
/**
 * Save a popup edit dialog for a jsTree Category node
 */
function popSave() {
	$.post(_frmAction + '/op/edit',
		formToJSON('#popup'),
		function(data,textStatus) {
			//textStatus is always == 'success'
			data = $.evalJSON(data);
			if (data.success) {
				//set the category name in the tree
				var id = '#node_' + $('#popup form #id').val();
				var name = $('#popup form #name').val();
				$.tree.focused().rename(id,name);
				//set the new node id if required
				if (data.isNew) {
					$('#node_0').attr('id','node_' + data.id);
					id = '#node_' + data.id; //new node id
				}
				//set row status
				if ($('#popup form').find(":input[id='rowSts-suspended']").attr('checked')) {
    				$(id).removeClass('jsTreeActive').addClass('jsTreeSuspended');
				} else {
    				$(id).removeClass('jsTreeSuspended').addClass('jsTreeActive');
				}
				//remove if defuncted
				if ($('#popup form').find(":input[id='rowSts-defunct']").attr('checked')) {
    				$(id).remove();
				}
				$('#popup').dialog('close');
			} else {
					//insert error messages for each element
				for (var i in data) {
    				var msg = '<ul class="errors">';
					for (var x in data[i]) {
						msg += '<li>' + data[i][x] + '</li>';
					}
					msg += '</ul>';
					$('#' + i).after(msg);
				}
			}
		}
	);
};

/**
 * convert form contents into json string for return in a POST call
 */
function formToJSON( selector ) {
	var form = {};
	var multiSelect = [];
	$(selector).find(':input[name]').each( function() {
	 var self = $(this);
	 var name = self.attr('name');
	 var tp = self.attr('type');
	 var selector = (tp == 'select' || tp =='checkbox' || tp == 'radio');
	 if (selector) {
		//if selectable field then just record the selected one
	 	if (self.attr('checked') || self.attr('selected')) {
	         if (form[name]) {
	            form[name] = form[name] + '|' + self.val();
	            multiSelect[name] = name;
	         }
	         else {
	            form[name] = self.val();
	         }
		}
	 } else {
	    form[name] = self.val();
	 }
	});
	//turn multiselects back into arrays
	for (name in multiSelect) {
		form[name] = form[name].split('|');
	}
	return form;
};
/**
 * convert jason incoming stream to a form's data
 * @param string warpper div or other object contining the form to load with data
 * @param json data json data to load into form
 */
function JSONToForm(wrapper,data) {
	data = $.evalJSON(data);
	var form = $(wrapper + ' form');
	for (var i in data) {
    	var ele = form.find(":input[name='" + i + "']");
    	var tp = ele.attr('type');
    	if (!tp) tp = $(name).attr('type');
    	var selector = (tp == 'select' || tp =='checkbox' || tp == 'radio');
    	if (selector && tp) {
    		if (tp == 'checkbox' || tp == 'radio') {
    			var id = wrapper +' #' + i + '-' + data[i];
    			$(id).attr('checked','checked');
			}
		} else {
			ele.val(data[i]);
		}
	}
}
/**
 * transfer data from form to grid after a save
 */
function gridTransfer(popId) {
	var columns = _gridTransferParam[popId];
	var colTo, value;
	var grid = _postSave[popId][1];
	var id = $('#' + popId +' :input[name="id"]').val();
	for (var i in columns) {
		//workaround to get multicheckbox values - see ZWare_Form_Popup_Handler::jQueryGrid()
		if (columns[i].indexOf('[]') != -1) {
			colTo = columns[i].substr(0,columns[i].length - 2);
			value = '';
			$('#' + popId +' :input[name=' + columns[i] + ']:checked').each(
				function(index) {
					value = value + $(this).val() + ',';
				}
			);
			$('#' + popId +' :input[name=' + colTo + ']:selected').each(
				function(index) {
					value = value + $(this).val() + ',';
				}
			);
		} else {
			value = $('#' + popId +' :input[name="' + columns[i] + '"]').val();
			colTo = columns[i]
		}
		$('td#gc_' + colTo + '_' + id).html(value);
	}
	//get and set row status if available
	var sts = $('#' + popId +' :input[name="rowSts"]:checked').val() || $('#' + popId +' :input[name="rowSts"]').val();
	if (sts) {
		var row = $('td#gc_' + columns[0] + '_' + id).parent();
		var odd = (row.hasClass('rowOdd')) ;
		row.removeClass();
		if (odd) {
			row.addClass('rowOdd');
		} else {
			row.addClass('rowEven');
		}
		row.addClass(sts);
	}
}

/**
 * present a confirm dialog and go to location in anchor tag on yes
 * @param string ele anchor tag holding href to go to on confirmation
 * @param string dlgMsg message to present to user
 */
function zwConfirmAnchor(ele, dlgMsg) {
	if (typeof $.confirmDialog == 'function') {
		$.confirmDialog({msg: dlgMsg}, function () {
    		window.location = $(ele).attr('href');
		});
	} else {
		//fallback
		if (confirm(dlgMsg)) {
			window.location = $(ele).attr('href');
		}
	}
}
//set up the dialog if jquery.confimdlg.js loaded
$(document).ready(function() {
	if (typeof $.confirmDialog == 'function') {
		$.confirmDialog.defaults({
	    	yes: "Yes",
	    	no: "No",
	    	title: "Confirmation",
	    	msg: "Do you wish to continue ?"
		});
		$(".ui-dialog-titlebar-close").hide();
	}
});

/**
 * set a selector box with options
 * @param string ele The element id to set
 * @param array opts options to use for select value=>name
 */
function zwSetSelectOpts(ele,opts) {
	var options = '';
      for (var i in opts) {
        options += '<option value="' + i + '">' + opts[i] + '</option>';
      }
      $(ele).html(options);
}
/**
 * get and select options for a select box
 * @param string url url of ajax action
 * @param mixed idVal value of 'id' to send in json request
 * @param string selectEle id of element to set returned options in
 */
function zwGetSelectOpts(url,idVal,selectEle) {
	$.getJSON(url,{id:idVal},
		function(data,txt) {
			if(data.success){zwSetSelectOpts(selectEle,data.data);}
		}
	);
}

/**
 * Toggle a block display to collapse on the title bar
 *
 */
function zwToggleBlock(ele) {
	$(ele).next("div.zware_block_content").toggle("slow");
}
function zwToggleAdminBlock(ele) {
	var img = $(ele).children('.zware_block_icon');
	$(ele).next("div.zware_block_content").toggle("slow");
	if ($(ele).hasClass('zware_toggle_block_open')) {
		$(ele).removeClass('zware_toggle_block_open').addClass('zware_toggle_block_closed');
		img.attr('src','/zwasset/img/ZWare/branding/blk_plus.png');
	} else {
		$(ele).removeClass('zware_toggle_block_closed').addClass('zware_toggle_block_open')
		img.attr('src','/zwasset/img/ZWare/branding/blk_minus.png');
	}
}