Dynamic visualforce components in Salesforce
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Dynamic programming is a method for solving complex problems by breaking them down into simpler subproblems, solving each subproblem once, and storing the solutions for future use. This document discusses how dynamic programming concepts are applied in Salesforce, including dynamic approval processes, reporting, and visualforce components. It provides an example of using an apex:dynamicComponent tag to dynamically display opportunities in different tables based on their stage value. Limitations of dynamic apex representation for certain visualforce components are also outlined.
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In this homework, according to the given UML class diagram, you’re required to design a
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3.1 Introduction
According to the following UML diagram, design a BankAccount class.
BankAccount
-id: string = \"?\"
-balance: double = 0.0
-address: string = \"?\"
+BankAccount()
+BankAccount(string, double, string)
+getID(): string
+getBalance(): double
+getAddress(): string
+setID(string): void
+deposit(double): bool
+withdraw(double): bool
+updateAddress(string):void
+toString(): string
+addInterest(): void
+equals(BankAccount): bool
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Member
Variable
Data Type
Description
id
string
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789\"
balance
double
This is the account balance.
address
string
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Member Function
Function Description
BankAccount()
This is the default constructor and it should initialize all member varible by the initial value
defined inside the UML. For example, id should be initialized to \"?\" etc.
BankAccount(string newID, double newBal, string newAddress)
This is the overloadded constructor. It takes three input parameters and initialize the three
member variables accordingly with the three input parameters.
string getID()
This is the accessor for member variable id
double getBalance()
This is the accessor for member variable balance
string getAddress()
This is the accessor for member variable address
void setID(string newID)
This is the mutator for member variable id. It takes a new id as input and change the member
variable id accordingly
bool deposit(double amount)
This is a mutator for member variable balance. It takes an amount as input parameter, if the
amount of deposit is negative, the balance will not be changed and the function should return
false; otherwise, the deposited amount (parameter value) will be added to the balance and the
function returns true.
bool withdraw(double amount)
This is a mutator for member variable balance. It takes an amount as input parameter, if the
balance is less than the withdraw amount (parameter value) or the withdraw amount is less than
zero, the function should return false, otherwise subtract the balance by withdraw amount and
return true.
void updateAddress(string newAddress)
This is a mutator for member variable address. In case the bank account\'s customer want to
change his/her address, we will use this function.
string toString()
The toString function will display an bank account info. in the following format.
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diagram provided.
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+getID(): string
+getBalance(): double
+getAddress(): string
+setID(string): void
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+updateAddress(string):void
+toString(): string
+addInterest(): void
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northwind_log.ldf
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1. Include the two above files in the root of your OrderDetailsMaintenance project.
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3. Run the Scaffold-DbContext command to create a context class as well as a class to encapsulate the Orders objects from the associated table in the mdf file. Make sure to include the parameters for -Tables Customers (only worry about the attributes associated with the text boxes, you don't need to worry about any other rows from the table)
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2. Make sure to mark them as "Content" and "Copy Always" or "Copy if newer" in the properties window of those two files.
3. Run the Scaffold-DbContext command to create a context class as well as a class to encapsulate the Orders objects from the associated table in the mdf file. Make sure to include the parameters for -Tables Customers (only worry about the attributes associated with the text boxes, you don't need to worry about any other rows from the table)
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public partial class frmCustomerMaintenance : Form
{
public frmCustomerMaintenance()
{
InitializeComponent();
}
}
}
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Develop an inventory management system for an electronics store. The .pdf
Develop an inventory management system for an electronics store. The inventory system should
have the following functionalities .BuildInventory: reada text file containing electronics products
information and store them in an array of pointers .Shownventory display all inventory items
.ShowDefectInventory: display inventory items that are defective Terminate: to save cument
inventory to a text file This lab assignment illustrates the following concepts: -Text file readings
and writings .Arrays of pointers and dynamic memory allocations with new and delete
Inheritance .C++ type casting: static cast Class Design You need at least three classes class
Inventory System: (minimum implementation specified below). This class stores Inyentoryltem
objects (which are in fact Inventory item base class pointers to derived Product objects and
member functions to manipulate those Product objects as shown below. .Private data members
Store Name Store ID ltem List (array of pointers to Inventory Item objects, max of 512) ltem
Count (tracking how many items are currently stored in the array) .Constructors (initialize all
pointers in the array to NULL in addition to what\'s described below .Default constructor: set
data members to 0 (for integers), 0.0 (for float/double), or NULL (for pointers) as appropriate.
Also invoke this function to initialize a seed for the random generator srand (time (NULL), (to
be used later by Product class to genearte random values for Product ID. See Code Helper
section at the end of the lab specs.) .Non-default constructor: taking a string for store name, an
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amay off pointers (up to Item Count elements) .Public member functions: BuildInventory: read a
text file containing Product records (one Product per line), dynamically allocate Product objects
and store the objects in the array ItemList (an array of Inventoryltem pointers). It should also
update Item Count as needed Shownventory: display all Products in the inventory. Output must
be properly formatted and aligned (usingfield with and floating data with 2 digits after decimal
point). Note that if you invoke the Display function using the pointers from the array only Invent
tem (base objec) information will be displayed. Extra work is needed to properly display
Products (derived objects) information ntory: display only defective Products Terminate: iterate
thru the array of pointers to write Product objects in the array to a text file in the same format as
they were read in. You may use a different file name for wniting .mutator cessors for store name,
store id, and item count
Solution
/*
import com.incors.plaf.*;
import com.incors.plaf.kunststoff.*;
import com.incors.plaf.kunststoff.themes.*;
*/
public class MainForm extends JFrame implements WindowListener{
/************************ Variable declaration start **********************/
//The form container variable
JPanel Panel1;
JDeskto.
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www.panorama.com
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Customizing the Presentation Model and Physical Renderer in Siebel Open UI
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Dynamic visualforce components in Salesforce
- 1. Quote of the day “Tell me and I forget. Teach me and I remember. Involve me and I learn.” by Benjamin Franklin
- 2. Dynamic VF Components in Designed in Apex class
- 3. Introduction : What is Dynamic Programming : • Method for solving a complex problem by breaking it down into a collection of simpler sub problems, and solve all once, storing their solutions for future reference to avoid re-computing again for same problem. So we can save computation time, memory.
- 5. Few more Dynamic concepts in Salesforce: Dynamic Approval Process Dynamic Reporting Dynamic VF Components
- 6. Representation On VF Page <apex:dynamicComponent componentValue=”{!dynamicDetails}”/> This tag acts as a placeholder for your dynamic component. componentValue attribute is must which accepts the name of an Apex method that returns a dynamic component.
- 7. Representation On Apex Class Creating a Visualforce Component in Apex can be done by referencing the Component.Apex namespace along with name of the component. Ex : Component.Apex.PageBlock. Component.Apex.OutputText. Component.Apex.OutputField outTxt = new Component.Apex.OutputField(); outTxt.value = rec.Name; For Reference : VF Component Reference from any vf page Dynamic Visualforce Notation : Component.Apex.PageBlock.
- 8. Dynamic Component Properties childComponents : By using this we can add one component to other. Ex: pageBlock contains pageBlockSection Component.Apex.PageBlock pageBlk = new Component.Apex.PageBlock(); Component.Apex.PageBlockSection pgBlkSec = new Component.Apex.PageBlockSection(title='header'); pageBlk.childComponents.add(pgBlkSec); Expressions : To bind properties to component Ex : Component.Apex.InputField inpFld = new Component.Apex.InputField(); inpField.expressions.value = '{!Account.Name}'; inpField.expressions.id = '{!$User.FirstName}';
- 9. Usage with Examples Example 1 : Display Opportunities in different tables according to their stage value. Note : Number of Stage picklist values vary from Sandbox to production. Example 2 : Customer name, Email Id, Mobile Number, Contact me(check box), Time to Contact(Picklist) display fields dynamically on selection of Picklist A, Picklist B values while creating Opportunity record. Note : Display all fields for a1,b1. (Nothing must) Contact Name, Email are must for a1,b2. Contact Name, Mobile, Contact Me are must for a2,b1. Display all and all are must for a2,b2.
- 10. Limitations : No Dynamic Apex Representation for below components : <apex: attribute> <apex: component> <apex: componentBody> <apex: composition> <apex: define> <apex: dynamicComponent> <apex: include> <apex: insert> <apex: param> <apex: variable>
- 11. Resources https://developer.salesforce.com/page/Dynamic_Visualforce_Components https://yourInstance/apexpages/apexcomponents.apexp https://harikrishnaratikindi.wordpress.com/2016/06/18/use-of-dynamic- components-in-salesforce/ https://developer.salesforce.com/docs/atlas.en- us.pages.meta/pages/pages_compref_dynamicComponent.htm https://developer.salesforce.com/docs/atlas.en- us.pages.meta/pages/pages_dynamic_vf_components_implementation.htm
- 12. About Me : Salesforce dynamic concept expert Blog writer You can follow me in : Twitter : @harveensj5_hari Linkedin : https://in.linkedin.com/in/hari-krishna-2986bb106 Blog : https://harikrishnaratikindi.wordpress.com/ Github link : https://github.com/harveensj5/dynamicSalesforce
- 13. Thank you