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Last modified by Bastian Triller on 2021/08/07 03:59
From version 5.1
edited by Pascal Robert
on 2012/08/06 05:52
Change comment: There is no comment for this version
To version 3.1
edited by Pascal Robert
on 2012/08/06 05:04
Change comment: There is no comment for this version

Summary

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... ... @@ -11,65 +11,8 @@
11 11  * The main page will display a list of blog entries, with a link to see the blog entry.
12 12  * The main page will have a link to an "admin" page that will show a login form.
13 13  * After login, a list of blog entries with links to edit, delete and create blog entries will be show.
14 -* We need a form to edit/create blog entries.
14 +* We need a form to edit/create blog entries.
15 15  
16 16  Let's start by creating a new project in Eclipse. You need to create a **Wonder Application** project type, and name it **StatefulBlog**.
17 17  
18 18  [[image:Capture d’écran 2012-08-06 à 04.56.13.png||border="1"]]
19 -
20 -Just like the D2W tutorial, you need to link the application with the **BlogCommon**, **Ajax** and **H2PlugIn** frameworks. To do so, right-click on **StatefulBlog** and select **Build Path** > **Configure Build Path**. 
21 -
22 -[[image:Capture d’écran 2012-07-29 à 14.25.46.png||border="1"]]
23 -
24 -In the **Libraries** tab, click on **Add Library**. Select **WebObjects Frameworks** and click **Next**. Check **Ajax**, **BlogCommon** and **H2PlugIn** from the list and click **Finish**. The **Libraries** tab should look like this:
25 -
26 -[[image:Capture d’écran 2012-08-06 à 05.15.32.png||border="1"]]
27 -
28 -We are ready to code Open the **Components** folder of the project, and open **Main WO**. In the **Related** view (bottom-right), you see that all related files of the component are listed, and we need to open the Java code associated with the component. To do so, in the **Related** view, double-click on **Main.java** to open the Java class into an editor.
29 -
30 -In **Main.java**, we need some Java code to get the list of blog entries so that we can show that list into the component. The following code will do what we need:
31 -
32 -{{code}}
33 -
34 -import your.app.model.BlogEntry;
35 -
36 -import com.webobjects.appserver.WOContext;
37 -import com.webobjects.eoaccess.EODatabaseDataSource;
38 -import com.webobjects.eocontrol.EOEditingContext;
39 -
40 -import er.extensions.batching.ERXBatchingDisplayGroup;
41 -import er.extensions.components.ERXComponent;
42 -import er.extensions.eof.ERXEC;
43 -
44 -public class Main extends ERXComponent {
45 -
46 - private EOEditingContext _ec;
47 - private BlogEntry _blogEntryItem;
48 -
49 - public Main(WOContext context) {
50 - super(context);
51 - EODatabaseDataSource dataSource = new EODatabaseDataSource(editingContext(), BlogEntry.ENTITY_NAME);
52 - ERXBatchingDisplayGroup<BlogEntry> dg = new ERXBatchingDisplayGroup<BlogEntry>();
53 - dg.setNumberOfObjectsPerBatch(20);
54 - dg.setDataSource(dataSource);
55 - dg.setObjectArray(BlogEntry.fetchAllBlogEntries(editingContext(), BlogEntry.LAST_MODIFIED.descs()));
56 - }
57 -
58 - private EOEditingContext editingContext() {
59 - if (_ec == null) {
60 - _ec = ERXEC.newEditingContext();
61 - }
62 - return _ec;
63 - }
64 -
65 - public void setBlogEntryItem(BlogEntry blogEntryItem) {
66 - this._blogEntryItem = blogEntryItem;
67 - }
68 -
69 - public BlogEntry blogEntryItem() {
70 - return this._blogEntryItem;
71 - }
72 -
73 -}
74 -
75 -{{/code}}