Going GAS. From VBA to Google Apps Script - Helion
ISBN: 978-14-919-4041-9
stron: 456, Format: ebook
Data wydania: 2016-02-15
Księgarnia: Helion
Cena książki: 118,15 zł (poprzednio: 137,38 zł)
Oszczędzasz: 14% (-19,23 zł)
Whether you’re moving from Microsoft Office to Google Docs or simply want to learn how to automate Docs with Google Apps Script, this practical guide shows you by example how to work with each of the major Apps Script services.
Office still supports VBA, but it’s not likely to do so for much longer. If you’re a VBA or .NET developer, you’ll learn how to port existing VBA code and structure to their JavaScript-based Apps Script equivalents with minimal effort. Author Bruce Mcpherson introduces JavaScript basics for experienced developers unfamiliar with the language, and demonstrates ways to build real-world apps using all of the Apps Script services previously covered.
- Use App Script’s equivalent of Excel’s object model
- Target the most commonly used parts of Microsoft Word
- Automate processes in Gmail, Calendar, and Contacts
- Access the local client filesystem with Google Drive
- Build and run applications in a browser
- Store persistent data conveniently
- Render HTML content in response to HTTP requests
- Automate the maintenance and creation of pages and content
- Interact with a REST service or NoSQL database
- Access Apps Script capabilities from other platforms
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Spis treści
Going GAS. From VBA to Google Apps Script eBook -- spis treści
- Preface
- Why Read This Book?
- Why Transition from VBA?
- Intended Audience
- The VBA Library
- Reading Order
- The Examples
- Conventions Used in This Book
- Using Code Examples
- Safari Books Online
- How to Contact Us
- Acknowledgments
- 1. Introduction
- What Is VBA?
- Extending
- Fragility
- Security
- Asynchronicity
- Efficiency and Performance
- Maintainability
- What is VBA good for?
- What Is JavaScript?
- A Quick History
- Versions
- JavaScript Is Not Java
- Learning JavaScript
- What Is Apps Script?
- Versions
- It Runs on a Server
- Services
- Fully Authenticated Environment
- Quotas
- Rate limits
- Quota limits
- Performance
- Asynchronicity
- Events
- Triggers
- Web Apps
- Maintainability
- IDE
- What Is Apps Script Good For?
- What Are Google Add-Ons?
- Types of Add-Ons
- Security
- The Publishing Process
- What Are Google Forms?
- What Are Microsoft Add-Ins?
- Comparison
- What Is VBA?
- 2. Language Basics
- Style
- Hungarian
- Camel Case
- Case Sensitivity
- Copy/Paste Porting
- Types
- Operators
- Mathematical Operators
- Assignment Operators
- String Operators
- Comparison Operators
- Logical Operators
- Bitwise Operators
- Variables
- Variable Types
- Functions
- Assigning Functions to Variables
- Anonymous Functions
- Functional Programming
- Loops and Iteration
- forEach
- reduce
- filter
- map
- some
- every
- Layout
- Whitespace and Newlines
- Semicolons
- Curly Braces
- Scope
- Objects
- JavaScript Object Notation
- JSON Examples
- Classes
- Prototypes and Constructors
- Inheritance
- Methods
- A Note on this
- Getters and Setters
- VBA Example
- The Mammal class
- The SeaMammal class
- Using Object.create
- Creating object instances
- Using getters and setters
- The prototype chain
- Traversing the prototype chain
- Conclusion
- Namespaces
- Google Services
- Libraries
- Creating Your Own Namespace
- The namespace
- Assigning properties and methods
- Avoiding Namespace Collisions
- The IDE
- Container-Bound Scripts
- Standalone Scripts
- Code Examples
- Accessing the IDE
- Running a Function
- Examining Results
- Libraries
- Libraries in the Cloud
- Namespaces and Libraries
- Managing Library Versions
- Adding Libraries to a Project
- Some Notes on Library Sprawl
- Style
- 3. Translating VBA Functions
- Conventions
- Library and Namespace
- JSDOC
- JSDOC Example
- VBA Built-Ins Translated to JavaScript
- Helper Functions
- String Functions
- Asc
- Chr
- InStr
- InStrRev
- Join
- LCase
- Left
- Len
- LTrim
- Mid
- Right
- RTrim
- Space
- Split
- Trim
- UCase
- Conversion Functions
- Math Functions
- Informational Functions and Constants
- Date and Time Functions
- Now
- Values
- DatePart
- Portions
- Weekdays
- Weekday and week number constants
- Week numbers
- Date calculations
- DateHelpers
- Optional Arguments
- Testing for undefined
- Applying Default Values
- Named Arguments
- Handling Errors
- VBA Exception Branching
- Resuming
- Detecting the error
- JavaScript try/catch
- Raising an Error
- VBA
- JavaScript
- VBA Exception Branching
- VBA Built-In Objects
- Type
- Copying types
- Cloning objects
- Key/Value Pairs
- Collections
- VBA
- JavaScript collection
- VBA.Collection for JavaScript
- The default method
- Type
- 4. Living with the Quotas
- The Quotas
- Daily Limits
- Limitations
- Triggers
- Rate Limits
- Throttling
- Sleeping
- Exponential Backoff
- Code for exponential backoff
- Splitting
- Libraries
- Batching
- Parallel Running
- Offloading
- Avoiding Service Calls
- Cache Service
- Cache scopes
- Cache data expiry
- Sharing cache
- Cache Service
- The Quotas
- 5. The Properties Service
- APIs Versus Built-In Services
- Getting Started with Properties Service
- Uses and Types of Property Stores
- Selecting a Property Store
- The Registry Versus the Property Store
- Comparisons
- Writing to the registry
- Writing to the property store
- Reading the registry
- Reading the property store
- Deleting from the registry
- Deleting from the properties store
- Comparisons
- 6. The Spreadsheet Service
- Custom Formulas
- Container-Bound Versus Standalone Scripts
- Getting Started with the Spreadsheet Service
- A Note About Authorization
- Opening the Active Sheet
- The Range Class
- Creating a Range
- Returning the Data Range
- Getting the Values of a Range
- VBA
- Apps Script
- Writing Values to a Range
- Walkthrough
- Returning Selected Data
- Walkthrough
- Reading and Writing for Partial Ranges
- Reading Attributes from a Range
- VBA get background colors
- Apps Script get background colors
- Writing Attributes to a Range
- Apps Script and VBA get/set equivalence
- Inserting and Deleting Rows and Columns
- Opening Other Sheets
- Iterating All Sheets
- Getting a Sheet by Name or Index
- Opening Other Workbooks
- Creating a Standalone Script
- Accessing Multiple Workbooks
- Working with Multiple Workbooks
- Updating Sheets
- Showing Messages
- Toast
- Showing Messages with Buttons
- Dialog with a simple OK button
- Dialog with a title and buttons
- Getting Input
- Getting and Setting Properties
- Document, User, or Script?
- Setting Properties in the Registry
- Setting Properties Using the Properties Service
- Changing Settings
- Custom Formulas
- Copy/Paste Port
- Native Port
- Arguments to Custom Formulas
- Workaround
- Performance
- Timing functions
- Improving performance with array formulas
- Documentation and Autocomplete
- Adding Functions to Menus
- Tables
- Converting Values to an Object
- Emulating Tables in Apps Script
- ListObject
- Creating a table reference
- Table ranges
- Getting data from a ListObject
- ListObject JavaScript code
- 7. The Document App
- Opening Documents
- Working with Elements
- Traversing the Document
- Traversing in VBA
- Annotating the Document
- Ranges
- VBA Range
- VBA Discontiguous Ranges
- RangeElements
- The showRange Utility
- Partial RangeElements
- RangeBuilder
- VBA range collections
- Building partial element ranges
- Finding text
- Merging RangeElements
- VBA find
- Named Ranges
- Setting a Cursor Using a Named Range
- Position
- Position Within Element
- Setting the position
- Creating a Selection
- Creating a VBA Selection
- Inserting Text
- Position Within Element
- Bookmarks
- IDs
- VBA Bookmark Insert
- Bookmark Appearance
- Traversing Bookmarks
- Text Bookmarks
- Creating Links
- Setting a Cursor Position
- VBA cursor
- Removing Bookmarks
- Editing Text in Elements
- Adding Elements
- Containers
- PARAGRAPH
- Element childIndex
- VBA childIndex
- Containers
- Inserting Elements
- Tables
- List Items
- VBA ListParagraph
- Images
- Docs Automation Example
- Selecting the Target Area
- Inserting the Table
- Adding to Custom Menu
- Attributes
- Text Attributes
- Attribute Equivalence
- Partial Attributes
- Attribute Indices
- 8. Gmail, Calendar, and Contacts Apps
- Email Automation Exercise
- Scenario
- Threads
- Searching
- Querying the message body
- Searching
- Messages
- Message Filtering
- Regular Expression Searching
- Message body
- Searching the body
- Message body
- Name Lookup
- Body Errors
- Result Reduction
- Generate a Regular Expression
- Attachments
- Organizing
- Recipients
- Organizing by Recipient
- Formatting
- Organizing by recipient with VBA
- Sending
- Organizing by Recipient
- Labels
- VBA Categories
- Calendar
- Events
- The Courses Namespace
- Finding the next event
- Adding guests
- Email invites
- Advanced Calendar Service
- Enabling advanced services
- Adding guests with the Calendar API
- CoursesAdvanced namespace
- Contacts
- ContactGroups
- Contacts Namespace
- Organizing Courses
- Setting Up the Example
- The Settings
- Properties service
- VBA registry
- The Settings
- Triggers
- Apps Script Main Function
- VBA Main Function
- Scheduling
- Email Automation Exercise
- 9. Drive and DriveApp
- Microsoft OneDrive
- Reading and Writing Files
- VBA FileSystemObject
- Apps Script DriveApp Service
- Paths in Drive
- Splitting up the path
- Apps Script reading and writing to Drive
- fileExists
- fileRead
- fileWrite
- VBA library FileSystemObject
- Drive authorization
- Dependency-free VBA library
- The VBA.FileSystemObject code
- Paths in Drive
- 10. HTML Service
- Why Client Execution?
- The Downside
- The VBA Connection
- HTML Service Varieties
- Web Apps
- Dialogs
- Sidebars
- jQuery
- Event Handling
- Templates
- Structure
- Installing the menu option
- Opening the sidebar
- The template
- Stylesheet
- JavaScript
- The result
- Structure
- Controlling Apps Script from the Client
- Using Namespaces in HtmlService
- Multiple Menu Items
- indexRun.html
- mainRun.js
- Client Namespace
- google.script.run
- Render.js
- App.js
- Dialog HtmlService
- HtmlService Web Apps
- VBA User Form
- Create a User Form
- Initialize the Combo Box
- Listen for Changes
- The Form
- Why Client Execution?
- 11. Content Service
- The Content Service
- Where to Use the Content Service
- Types of Content
- Example
- Request
- Response
- Details
- doGet
- The Settings
- SheetOb
- getFlight
- getRegex
- Initial Result
- JSONP
- XML
- makeXml
- Publishing
- Script Files
- The Publishing Process
- Permissions
- Delegation from VBA
- Querying Apps Script
- 12. Charts
- Chart Data
- VBA Charts
- Code
- Sheets Charts
- EmbeddedChartBuilder
- setPosition
- Types of Chart
- Visualization API
- Google Visualization HtmlService App
- code.gs
- index.html
- main.js
- client.js
- app.js
- render.js
- Google Visualization HtmlService App
- Other Chart Formats
- 13. Sites
- Apps Script
- Gadgets
- Code Lockdown
- Advertising
- VBA
- The Future of Sites
- 14. Advanced Google Services
- What Are Advanced Google Services?
- Advanced Services Versus Google APIs
- Developers Console
- Enabling Advanced Services
- Fusion Tables Example
- Settings Namespace
- Copy Sheet to Fusion
- Fusion Namespace
- Fusion Quotas
- Scripts Structure
- Currently Available Advanced Services
- 15. Authentication and Security
- OAuth 2.0
- Setup
- Access
- Refresh
- Scopes
- Limiting Scope to the Current Document
- Listing Authorized Apps
- Revoking Access
- ScriptApp
- Service Accounts
- Libraries
- OAuth 2.0 Example
- Creating the Cloud Console Project
- Credentials
- Enabling the Datastore API
- Scopes
- Storing the credentials
- Finishing the app
- The callback function
- The consent page
- The web app
- The redirect URL
- Creating the Cloud Console Project
- Accessing Other Oauth 2.0 Services
- OneDrive Authentication
- Get consent
- Access OneDrive
- Other OAuth 2.0 Services
- OneDrive Authentication
- OAuth 2.0 with VBA
- Developers Console
- getGoogled
- Content Service with OAuth2
- Other Kinds of Authentication
- Basic Authentication
- JWT (JSON Web Tokens)
- What Is a JWT?
- Firebase Authentication
- JWT Format
- FirebaseAuth Namespace
- Standardized OAuth 2.0 Process
- OAuth 2.0
- 16. External APIs and Integration
- REST API
- Code
- Reuse
- Databases
- Firebase
- Main Code
- Permissions
- Settings
- Firebase Class
- Reuse
- Result
- Databases and Apps Script
- REST API
- 17. Execution API
- What Is Incremental Migration?
- Migration Process
- The Execution API
- Inventory for Execution API
- Authentication and Access
- Credentials
- Publishing
- Scopes
- Getting Googled
- JSON
- SheetExec
- Example Workflow Migration from Office
- Moving a Workbook to Sheets
- VBA Code to Read a Sheet
- Apps Script Code to Read a Sheet
- VBA Code to Write Data to a Local Workbook
- VBA Code to Write to a Sheet from a Local Workbook
- Apps Script Code to Write to a Sheet from a Local Workbook
- Migrating Logic
- VBA Code to Initiate Logic on Apps Script
- Logic Code Delegated to Apps Script
- VBA Orchestration
- VBA Process Orchestration Code
- Apps Script Logging Code
- Final Migration Steps
- Testing JavaScript on the PC
- VBA Code to Get Source Code from Apps Script
- Apps Script Code to Return Source Code
- Getting the Source and Testing Local Execution
- Execution API Potential
- 18. Office Add-Ins and Google Add-Ons
- Add-Ons
- Add-Ins
- The Same...
- ...But Different
- Add-On Example
- The Dataset
- Capabilities
- Apps Script Add-On
- What You Will Learn
- The Namespaces
- Sharing Code Between Client and Server
- requireGs
- index.html
- main.js
- styles.css
- App Namespace
- Cors
- Add-On Script
- Reused Namespaces
- Server Namespace
- Client Namespace
- Binding
- Render Namespace
- fitBounds
- Render.js code
- Testing an Add-On
- Office Add-In
- What You Will Learn
- The IDE
- Structure
- Changing the start page
- index.html
- mainOffice.js
- App.js
- Client.js
- Testing the Add-In
- Result Comparison
- Further Exercises
- Afterword
- A. Further Resources
- GitHub Repository
- Repository Structure
- gscript Files
- Other Resources
- Keys and Credentials
- GitHub Repository
- Index