BBraun Code snippets

ProcStep_BaseController.js

/*global history */
sap.ui.define([
	"sap/ui/core/mvc/Controller",
	"sap/ui/core/routing/History"
], function(Controller, History) {
	"use strict";

	return Controller.extend("com.bbraun.app.safetymaintenance.bbraunProcessSteps.controller.BaseController", {
		/**
		 * Customize Show Change Log button to be on the right side
		 */
		onInit: function() {
			try {
				// Customize show change log
				var sChangeLog = this.getResourceBundle().getText("Showchangelog");
				this.getView().byId("ChangeLogMarker").addEventDelegate({
					"onAfterRendering": function() {
						var oMarker = $("#" + this.getView().byId("ChangeLogMarker").sId);
						oMarker[0].childNodes[0].innerText = sChangeLog;
					}
				}, this);
			} catch (exc) {
				jQuery.sap.log.info(exc);
			}
		},

		/*
		 * Trigger when click on 'show change log'
		 * Open Popover to display "Created" & "last modified" User and Time.
		 * @param oEvent
		 */
		onShowChangeLogPress: function(oEvent) {
			if (!this._oPopover) {
				this._oPopover = sap.ui.xmlfragment("com.bbraun.app.safetymaintenance.bbraunProcessSteps.fragment.ShowChangeLogPopover",
					this);
				this.getView().addDependent(this._oPopover);
			}

			this._oPopover.openBy(oEvent.getSource());
		},

		/**
		 * Convenience method for accessing the router in every controller of the application.
		 * @public
		 * @returns {sap.ui.core.routing.Router} the router for this component
		 */
		getRouter: function() {
			return this.getOwnerComponent().getRouter();
		},

		/**
		 * Convenience method for getting the view model by name in every controller of the application.
		 * @public
		 * @param {string} sName the model name
		 * @returns {sap.ui.model.Model} the model instance
		 */
		getModel: function(sName) {
			return this.getView().getModel(sName);
		},

		/**
		 * Convenience method for setting the view model in every controller of the application.
		 * @public
		 * @param {sap.ui.model.Model} oModel the model instance
		 * @param {string} sName the model name
		 * @returns {sap.ui.mvc.View} the view instance
		 */
		setModel: function(oModel, sName) {
			return this.getView().setModel(oModel, sName);
		},

		/**
		 * Convenience method for getting the resource bundle.
		 * @public
		 * @returns {sap.ui.model.resource.ResourceModel} the resourceModel of the component
		 */
		getResourceBundle: function() {
			return this.getOwnerComponent().getModel("i18n").getResourceBundle();
		},

		/**
		 * Event handler  for navigating back.
		 * It checks if there is a history entry. If yes, history.go(-1) will happen.
		 * If not, it will replace the current entry of the browser history with the master route.
		 * @public
		 */
		onNavBack: function() {
			var sPreviousHash = History.getInstance().getPreviousHash();

			if (sPreviousHash !== undefined) {
				// The history contains a previous entry
				history.go(-1);
			} else {
				// Otherwise we go backwards with a forward history
				var bReplace = true;
				this.getRouter().navTo("master", {}, bReplace);
			}
		},

		/** 
		 * Therapy is updated by XS JS server, not ODATA, so the link to server is returen by this function.
		 * @returns {String} URL of SXJS server
		 */
		_getUpdateURL: function(sObject) {
			// If sObject is not defined, return default Odata service url
			if (!sObject) {
				return "/app_safety_app/i1/xs/odata/process/PROC_ANALYSIS_SERVICES.xsodata/";
			}
			if (sObject.localeCompare("processStep") === 0) {
				return "/app_safety_app/i1/xs/xsjs/process/XS_MAINTAIN_PROC_STEP.xsjs";
			}
			return "/app_safety_app/i1/xs/odata/process/PROC_ANALYSIS_SERVICES.xsodata/";
		},

		/** 
		 * Get user logged into fiori lauchpad
		 * @returns {String} user Id of logged in user
		 */
		_getUserId: function() {
			if (sap.ushell) {
				return sap.ushell.Container.getUser().getId();
			} else {
				sap.m.MessageBox.error(
					"Cannot get user Id from Fiori launchpad Component. User 'testUser' will be used for any data modification.", {
						title: "Get User Error"
					});
				return "testUser";
			}
		},

		/** 
		 * Shows a {@link sap.m.MessageBox}.
		 * The user can try to refresh the metadata.
		 * @param {string} sTitle the MessageBox title, {string} sMessageHeader and {string} sDetails a technical error to be displayed on request
		 * @private
		 */
		_showErrorMessage: function(sErrorDetails) {
			var sTitle = this.getResourceBundle().getText("errorTitle"),
				sText = this.getResourceBundle().getText("errorText");
			this.getOwnerComponent()._oErrorHandler._showErrorMsg(sTitle, sText, sErrorDetails);
		},

		/** 
		 * Clear all data in all inputs field in the form, which in the content of oDialog.
		 * @param {sap.m.Dialog} oDialog
		 */
		_clearForm: function(oForm) {
			var oForms = oForm.getContent();
			for (var i = 1; i < oForms.length; i++) {
				if (oForms[i].getMetadata().getElementName().includes("Input")) {
					// set value
					oForms[i].setValue("");
					oForms[i].setValueState("None");
				}
			}
		},

		/** 
		 * Return Binding path of item to be selected in master List
		 * @param {String} sObjectId - Id of Object
		 * @returns {String} Binding path of item to be selected in master List
		 */
		_createObjectPath: function(sObjectId) {
			var oKeys = {
				IP_LANGU: "E",
				IP_COUNTRY: "01",
				IP_PIC_ID: 0,
				PROC_STEP_ID: sObjectId
			};
			var sObjectPath = this.getModel().createKey("/ProcessSteps", oKeys);
			return sObjectPath;
		},

		/** 
		 * return true if user's input in user's inputs meet validation requirement.
		 * @constructor 
		 * @returns {Boolean} return true if user's inputs meet validation requirement.
		 */
		_validateFormInputsAreOK: function(oForm) {
			var aInputs = this._getFormInputs(oForm);

			// var oNameInput = this.getView().byId("ipDesc");
			// aInputs.push(oNameInput);
			var bValidateOK = true;

			for (var i = 0; i < aInputs.length; i++) {
				if (this._blankValidation(aInputs[i]) === "Error") {
					bValidateOK = false;
				}
			}
			return bValidateOK;
		},

		/** 
		 * check if the Input is blank, highlight blank Input
		 * @param {sap.m.Input} oInput - Input control
		 * @returns {sap.ui.core.ValueState} error state of the input control
		 */
		_blankValidation: function(oInput) {
			// var oInput = oEvent.getSource();

			if (oInput.getValue() === "") {
				oInput.setValueState(sap.ui.core.ValueState.Error); // if the enterDatafield is empty after change, it will go red
				oInput.setPlaceholder(this.getResourceBundle().getText("pleaseEnterData"));
				return sap.ui.core.ValueState.Error;
			} else {
				oInput.setValueState(sap.ui.core.ValueState.None); // if the field is not empty after change, the value state (if any) is removed
				return sap.ui.core.ValueState.None;
			}
		},
		/** 
		 * Return as a array containing all input fields of oForm 
		 * @param {sap.ui.layout.form.SimpleForm} oForm
		 * @returns {array} all input fields of oForm as a array
		 */
		_getFormInputs: function(oForm) {
			var aInputs = [];
			var oForms = oForm.getContent();
			for (var i = 1; i < oForms.length; i++) {
				if (oForms[i].getMetadata().getElementName().includes("Input")) {
					aInputs.push(oForms[i]);
				}
			}
			return aInputs;
		},
		
		/** 
		 * Returns the registered element for the given id, if any.
		 * the principle to get control by id follows SAP Id defination principle,
		 * The element need to be to registered to the controller which call this function.
		 * The registration can be done by passing the 'this' controller when the element is created.
		 * Element with id generated with the View is not registered to the controller, 
		 * so this function will not work.
		 * @private 
		 * @param {string} sId
		 * @returns {sap.core.control} The control that identified by sId
		 */
		_byId: function(sId) {
			return sap.ui.getCore().byId(sId);
		}

	});

});

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