io.js

var io = {

	saveForm: function() {
		var buttons = [];
		var newFormName = $("#saveFormName").val();
		if (!newFormName || newFormName == L.default_save_form_empty_str) {
			gd.errors = [];
			gd.errors.push({ els: null, error: L.no_form_name });
			utils.displayErrors("#gdMessages");
			return false;
		}

		// if the name already exists, check with the user that it's okay to overwrite it
		var form_exists = false;
		var form_list_dd = $("#formList")[0];
		for (var i=0; i<form_list_dd.length; i++) {
			if (form_list_dd[i].text == newFormName) {
				form_exists = true;
			}
		}

		if (form_exists) {
			if (!confirm(L.form_exists_overwrite_confirmation)) {
				return false;
			}
		}

		// okay! now we serialize the form data and submit it for storage
		var countries = [];
		for (i=0; i<document.data["countryChoice[]"].length; i++) {
			if (document.data["countryChoice[]"][i].checked) {
				countries.push(document.data["countryChoice[]"][i].value);
			}
		}

		var rowData = [];
		var orderedRowIDs = gd._getRowOrder();
		for (var i=0; i<orderedRowIDs.length; i++) {
			var currRow  = orderedRowIDs[i];
			var func_ns  = $("#type_" + currRow).val() + "_ns";

			// not every data type NEEDS a save-load function beyond the data type dropdown value, e.g.
			// "email" data type
			var currData = {};
			if (typeof window[func_ns] === "object" && typeof window[func_ns].saveRow === "function") {
				currData = window[func_ns].saveRow(currRow);
			}

			currData.title    = $("#title_" + currRow).val();
			currData.dataType = $("#type_" + currRow).val();
			rowData.push(currData);
		}

		var data = {
			numResults: document.data.numResults.value,
			resultType: $("input[name=resultType]:checked").val(),
			countries: countries,
			xmlSettings: {
				rootNodeName:          $("#xml_root_node_name").val(),
				recordNodeName:        $("#xml_record_node_name").val(),
				xml_use_custom_format: $("#xml_use_custom_format").attr("checked"),
				xml_custom_format:     $("#xml_custom_format").val()
			},
			csvSettings: {
				delimiter:        $("#csv_delimiter").val(),
				csv_line_endings: $("#csv_line_endings").val()
			},
			sqlSettings: {
				dbTableName:   $("#sql_table_name").val(),
				dbType:        $("#sql_database").val(),
				includeCreateTableQuery: $("#sql_create_table").is(":checked"),
				includeDropTableQuery:   $("#sql_drop_table").is(":checked"),
				encloseWithBackquotes:   $("#enclose_with_backquotes").is(":checked"),
				statementType: $("input[name=sql_statement_type]:checked").val(),
				primaryKey:    $("input[name=sql_primary_key]:checked").val()
			},
			rowData: rowData
		};

		var data_str = 'form_name=' + newFormName + '&form_content=' + $.toJSON(data);
		utils.startProcessing();

		$.ajax({
			url:  "code/ajax_save.php",
			type: "POST",
			data: data_str,
			success: function(data) {
				var json = $.evalJSON(data);

				// if this form isn't listed in the form dropdown list, add it
				var already_listed = false;
				var form_list_dd = $("#formList")[0];
				for (var f=0; f<form_list_dd.length; f++) {
					if (form_list_dd[f].text == json.form_name) {
						already_listed = true;
					}
				}
				if (!already_listed) {
					form_list_dd[form_list_dd.length] = new Option(json.form_name, json.form_id, false, false);
				}

				g.displayMessage(L.form_saved);
				g.stopProcessing();
			},

			error: function() {
				alert(L.fatal_error);
				gd.stopProcessing();
			}
		});
	},

	loadForm: function() {
		if (gd.queue.length) {
			alert(L.script_thinking);
			return false;
		}

		utils.startProcessing();

		// get the form to load
		$.ajax({
			url:  "code/ajax_load.php",
			type: "POST",
			data: "form_id=" + $("#formList").val(),
			success: function(data) {
				var json = $.evalJSON(data);

				if (json.success == "true") {
					var info = json.form_content;

					var form_list = $("#formList")[0];
					for (var i=0; i<form_list.length; i++) {
						if (form_list[i].selected) {
							$("#saveFormName").val(form_list[i].text);
						}
					}

					// remove all the existing rows (except the heading row)
					gd.emptyForm(false, 0);

					$("#numResults").val(info.numResults);
					for (var i=0; i<document.data.resultType.length; i++) {
						if (document.data.resultType[i].value == info.resultType) {
							document.data.resultType[i].checked = true;
							gd.changeResultType(info.resultType);
							break;
						}
					}
					for (i=0; i<document.data["countryChoice[]"].length; i++) {
						if ($.inArray(document.data["countryChoice[]"][i].value, info.countries) != -1) {
							document.data["countryChoice[]"][i].checked = true;
						} else {
							document.data["countryChoice[]"][i].checked = false;
						}
					}
					gd.updateCountryChoice();

					// XML
					$("#xml_root_node_name").val(info.xmlSettings.rootNodeName);
					$("#xml_record_node_name").val(info.xmlSettings.recordNodeName);
					$("#xml_use_custom_format").attr("checked", info.xmlSettings.xml_use_custom_format);
					$("#xml_custom_format").val(info.xmlSettings.xml_custom_format);
					gd.toggleCustomXMLFormat.call($("#xml_use_custom_format"));

					// CSV
					$("#csv_delimiter").val(info.csvSettings.delimiter);
					$("#csv_line_endings").val(info.csvSettings.csv_line_endings);

					// SQL
					$("#sql_table_name").val(info.sqlSettings.dbTableName);
					$("#sql_database").val(info.sqlSettings.dbType);
					$("#sql_create_table").attr("checked", info.sqlSettings.includeCreateTableQuery);
					$("#sql_drop_table").attr("checked", info.sqlSettings.includeDropTableQuery);
					$("#enclose_with_backquotes").attr("checked", info.sqlSettings.encloseWithBackquotes);
					$("input:radio[name=sql_statement_type]").filter("[value=" + info.sqlSettings.statementType + "]").attr("checked", true);
					$("input:radio[name=sql_primary_key]").filter("[value=" + info.sqlSettings.primaryKey + "]").attr("checked", true);

					// add the new blank rows
					gd.addRows(info.rowData.length);
					var rowOrder = gd._getRowOrder();

					// now populate the rows. Do everything that we can: create the rows, populate the titles & select
					// the data type. The remaining fields are custom to the data type, so we leave them to their
					// [ns].loadRow function (if defined)
					for (var i=0; i<rowOrder.length; i++) {
						var currRow = rowOrder[i];
						$("#title_" + currRow).val(info.rowData[i]["title"]); // decodeURIComponent
						$("#type_" + currRow).val(info.rowData[i]["dataType"]);
						gd.changeRowType("type_" + currRow, info.rowData[i]["dataType"]);

						var func_ns  = $("#type_" + currRow).val() + "_ns";
						if (typeof window[func_ns] === "object" && typeof window[func_ns].loadRow === "function") {
							gd.queue.push(window[func_ns].loadRow(currRow, info.rowData[i]));
						}
					}
					gd.processQueue();
				} else {
					gd.errors = [];
					gd.errors.push({ els: null, error: json.message });
					utils.displayErrors("#gdMessages");
				}
				g.stopProcessing();
			}
		});
	},

	/*
	loadRowContent: function()
	{
		for (currRow=1; currRow<=g_lastJsonResponse.num_rows; currRow++)
		{
			row_type = decodeURIComponent(g_lastJsonResponse["type" + currRow]);

			switch (row_type)
			{
				case "Date":
					var date_info = decodeURIComponent(g_lastJsonResponse["option" + currRow]).split(",");
					$("#fromDate_" + currRow).value = date_info[0];
					$("#toDate_" + currRow).value   = date_info[1];
					$("#option_" + currRow).value   = date_info[2];
					break;

				case "Text-Fixed":
					$("#numWords_" + currRow).value = decodeURIComponent(g_lastJsonResponse["option" + currRow]);
					break;

				case "Text-Random":
					var rand_text_info = decodeURIComponent(g_lastJsonResponse["option" + currRow]).split(",");
					$("#startsWithLipsum_" + currRow).checked = (rand_text_info[0] == "true") ? true : false;
					$("#numWordsMin_" + currRow).value = rand_text_info[1];
					$("#numWordsMax_" + currRow).value = rand_text_info[2];
					break;

				case "Auto-Increment":
					$("#datatype_" + currRow).value = decodeURIComponent(g_lastJsonResponse["example" + currRow]);
					var auto_increment_info = decodeURIComponent(g_lastJsonResponse["option" + currRow]).split(",");
					$("#autoIncrementStart_" + currRow).value = auto_increment_info[0];
					$("#autoIncrementValue_" + currRow).value = auto_increment_info[1];
					break;

				case "Number-Range":
					var num_range = decodeURIComponent(g_lastJsonResponse["option" + currRow]).split(",");
					$("#numRangeMin_" + currRow).value = num_range[0];
					$("#numRangeMax_" + currRow).value = num_range[1];
					break;

				case "List":
					$("#datatype_" + currRow).value = decodeURIComponent(g_lastJsonResponse["example" + currRow]);
					var list = decodeURIComponent(g_lastJsonResponse["option" + currRow]).split(",");
					$("#listType1_" + currRow).checked = (list[0] == "true") ? true : false;
					$("#listType2_" + currRow).checked = (list[1] == "true") ? true : false;
					$("#exactly_" + currRow).value = list[2];
					$("#atMost_" + currRow).value = list[3];
					$("#option_" + currRow).value = list[4];
					break;
			}
		}
	},
	*/

	deleteForm: function() {
		var form_id = $("#formList").val();
		if (!form_id) {
			gd.errors = [];
			gd.errors.push({ els: null, error: "Please select a form to delete." });
			utils.displayErrors("#gdMessages");
			return false;
		}

		// check it's okay with the user first
		if (!confirm(L.confirm_delete_form)) {
			return false;
		}

		g.startProcessing();

		$.ajax({
			url:  "code/ajax_delete_form.php",
			data: "form_id=" + $("#formList").val(),
			success: function(data) {
				var json = $.evalJSON(data);
				if (json.success) {
					// it was deleted. Remove it from the dropdown list and inform the user
					var formList = $("#formList")[0];
					for (var i=0; i<formList.options.length; i++) {
						if (formList.options[i].value == json.form_id) {
							formList.options[i] = null;
						}
					}
					g.displayMessage(L.form_deleted);
				} else {
					g.displayMessage(L.form_not_deleted);
				}

				g.stopProcessing();
			},
			error: function(data) {
				alert(L.fatal_error);
				gd.stopProcessing();
			}
		});
	}
}