Apple WebObjects 3.5 Manuel d'utilisateur Page 56
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Chapter 2 Enhancing Your Application
56
By using the name currentGuest for the item attribute, you are taking advantage
of the fact that the strings in your table are already bound to the fields of
currentGuest.
You now have finished implementing the repetition. When the table is
generated, it will have one row for each item in the
allGuests array.
15. Save the GuestList component.
16. Delete the table from Main, since you no longer need it.
17. Build and launch your application.
18. Test your application by entering data for multiple guests and verifying that
each guest appears in the table.
Adding the Finishing Touches
There are a few additional things you’ll do to make your application a bit more
user friendly:
• Add a button that, when clicked, clears the guest list.
• Add a hyperlink to the GuestList page that allows users to return to the
Main page.
Clearing the Guest List
While developing your application, you may find it useful to be able to remove
all guests from the list. (Typically, you wouldn’t allow users to remove all guests
from the list.)
1. In WebObjects Builder, make the GuestList component window active.
2. Choose Add Action from the pull-down menu at the bottom of the window.
In the panel, enter
clearGuestList as the name of the action and set the
page returned to
nil.
3. Choose View Source File from the pull-down menu.
Project Builder displays the code for
GuestList.wos. You’ll notice that there is a
skeleton of the
clearGuestList action method, using WebScript syntax, as well
as the declaration for
currentGuest that you created previously.
- GETTING STARTED 1
- WITH WEBOBJECTS 1
- Contents 3
- Table of Contents 5
- Refining Your Model 97 6
- About WebObjects 9
- About This Book 9
- Where to Go From Here 10
- Chapter 1 11
- Set project type here 14
- GuestBook 15
- Examining Your Project 17
- Launching WebObjects Builder 18
- Creating the Page’s Content 20
- Entering Static Text 21
- Using the Inspector 22
- Name: ” and press Enter 24
- Resizing the Form Elements 25
- Choose Static Inspector from 26
- Enter rows and columns here 26
- Binding Elements 27
- String directly in the box 28
- Binding the Input Elements 29
- Implementing an Action Method 30
- Variable definitions 32
- action method 32
- <HR> element) 33
- View Source File 34
- Click here to build 35
- Enhancing Your Application 37
- Duplicating Your Project 39
- PB.project 40
- PB.project.) 40
- Creating a Custom Guest Class 41
- Creating the Guest Object 46
- Main.java 47
- Creating a Guest List 48
- Application, which is 49
- Adding a Second Component 51
- represents the number 52
- WOString 52
- Using a Repetition 53
- Guest as its type 54
- Adding the Finishing Touches 56
- Adding a Dynamic Hyperlink 57
- "Main" 58
- Main”, because you 58
- Creating a WebObjects 59
- Database Application 59
- The Movies Application 62
- Designing the Main Page 65
- Specifying a Model File 66
- Choosing an Adaptor 67
- Specifying Primary Keys 71
- Shift-click to select more 72
- Choosing an Entity 74
- Choosing a Layout 75
- Examining the Variables 80
- Examining the Bindings 81
- Bindings in the Query Part 82
- Bindings in the Editing Part 83
- Refining Main.wo 85
- Specifying a Sort Order 86
- Setting a Date Format 88
- Setting a Number Format 89
- Optional Exercise 90
- Adding the MovieDetails Page 92
- Storing the Selected Movie 93
- Add the hyperlink below 94
- Movie Details 95
- MovieSearch 96
- Refining Your Model 97
- Switches to Table View 101
- Switches to Diagram View 101
- Switches to Browser View 101
- Advanced Relationship button 102
- This should be selected 102
- This box should be checked 102
- WebObjects Builder assigns 106
- Adding a Repetition 108
- Configuring a Repetition 109
- Running Movies 110
- return null; 112
- Adding a Form 113
- Adding a Talent Display Group 113
- Configuring the Browser 114
- Add the image buttons inside 116
- Talent in the Class field 118
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