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Старый 29.09.2007, 19:00   #1  
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Inside Dynamics AX 4.0: Wizard Framework Extension Part II

Creating Labels

After creating the basic frame for the new wizard, the next step is to add labels. To open the Label Editor, click Tools\Development Tools\Label\Label Editor. The Label Editor is shown in below image.

The Label Editor

The Label Editor creates labels in your default language. The Setup tab allows you to set the default language and displays the default label file in which new labels are stored. (If there is no default label file, you must create one with the Label File Wizard, located in Tools\ Development Tools\Label, and then select it as the default on the Setup tab.) You may change these default settings.

Labels are identified with an ID consisting of the label file name and a counter. The label IDs displayed depend on any existing labels and your choice of label file. In the following table, a default label fileUSRresults in the label IDs @USR1, @USR2, @USR3, and so on.

Press Ctrl+N to create the new labels shown in below table. The label ID is generated automatically when you provide text in the Label field; the additional Description field is optional.
Label IDs and Labels

Take note of the label numbers you are given so that you can use them in your code if you have label numbers other than those listed in the table. You may also use the Label Editor to search for previously created labels based on their content.
Adding Content to the Wizard
Next, you will add selection fields to the wizard you created earlier and write the logic to create the inventory item. You edit the wizard form by using the AOT. In the AOT, scroll to the name of the wizard form you want to design and right-click it. Select Properties, and then set the Caption property of the form design to @USR1.
Right-click TabPage:Step1, select Properties, and then change the Caption property from "Step 1 Title" to @USR1. Add a StaticText control to TabPage:Step1 by right-clicking it and selecting New Control\Static Text. A Text Property appears in the properties list; set it to @USR2.
On TabPage:Step2, change the Caption property from "Step 2 Title" to @USR3. Set the HelpText property to @USR4.
Now you may begin adding input fields. In this example, the user must be able to enter an item ID, item name, and item description. Start by investigating the type of item IDs. The table in which items are stored is called InventTable. Look up the item ID on the table, open the properties, and note that the extended data type of the field is ItemId. Using this extended data type directly in the wizard will cause a problem, because the extended data type has a relationship with InventTable; the drop-down list for the extended data type displays existing item IDs associated with the field. You must find the name of the parent of the extended data type for use in the new wizard.
Locate the extended data type in the AOT and examine the properties. You can see that the type extends the ItemIdBase extended data type; because this type does not have any database relationships, you can safely use it in the wizard. In other situations, if you cannot find a suitable extended data type, you can either create one or change the LookupButton property of the form control to Never.
Right-click TabPage:Step2, point to New Control, and then click StringEdit. Open the properties of the new field and change the Name property to ItemId, change the ExtendedDataType property to ItemIdBase, and change the AutoDeclaration property to Yes. (Setting the AutoDeclaration property to Yes allows you to easily address the control by using X++ code later; the runtime automatically creates an object handle, which allows access to the control.)
Repeat this procedure to add a field for the ItemName of InventTable. The ExtendedDataType type should be Name. Remember to set the AutoDeclaration property to Yes.
Finally, add the inventory description field. Give it the name ItemDescription. The inventory item description field is in the InventTxt table, not in InventTable as in the previous case, so you must open InventTxt to determine the extended data type. As you can see from the Txt field on the table, the extended data type is ItemFreeTxt. Supply this type in the ExtendedData Type property. Remember to set the AutoDeclaration property to Yes.
On the third page of the wizard, the user should be able to link the item to the mandatory item group, inventory model group, and dimension group. To make this possible, open the properties list for TabPage:Step3 and change the Caption property from "Step 3 Title" to @SYS1177, reading "Groups," and change the HelpText property to @USR5. Using the procedure described earlier, add three fields to the page with the following extended data types: ItemGroupId, InventModelGroupId, and InventDimGroupId. Give the fields names that match the extended data type name, and remember to set the AutoDeclaration property to Yes.
The fourth page of the wizard is dedicated to prices. For this example, you will add a sales price field. Change the Caption property of the fourth tab from "Step 4 Title" to @SYS73780, reading "Pricing," and change the HelpText property to @SYS87796, reading "Set up sales prices." Add a RealEdit control with the extended data type Price to the tab. Change the Name property to Price and remember to set the AutoDeclaration property to Yes.
On the fifth and final page, you will add a short summary that describes what the wizard does when the user clicks Finish. Change the Caption property of the tab from "Step 5 Title" to @USR6. Add a StaticText control to the tab. Change the Name property to TxtFinish, change the AutoDeclaration property to Yes, change the Width property to Column Width, change the Height property to Column Height, and remove the text value from the Text property. Because this summary text will be composed of several sentences with more than one label, you will write X++ code to set the text. The code must be added to the setTexts method on the form, as shown here.
Next, you will set up the navigation for the wizard. You will implement three simple rules:
  • The Next button must not be enabled on the Item Identification page if an item ID has not been entered.
  • The Next button must not be enabled on the Groups page unless all three fields have a value.
  • The Finish button must be enabled as soon as the Groups page is filled in. It is not mandatory for the user to enter a price, so the step in which the user can enter the price can safely be skipped.
Start in the class declaration of the InventItemCreateWizard class by defining macro variables so that you can address the tabs by name rather than by number, as shown in this example.

To make the Finish button available before the last page, override the hasFinishButton method by right-clicking the InventItemCreateWizard class, clicking Override Method, and choosing hasFinishButton. Set the return value to true, as shown here.

The setupNavigation method describes the initial navigation settings that apply when the wizard is opened. Override this method as shown in the following code.

To enable the Next button when an item ID has been entered, find the ItemId control on the form and override the textChange method with the following code.

On the Groups page, all three fields must be filled in before the Next button is enabled. Create a single method on the form, in the Methods section directly under the form name node, to control the values Next and Finish, as shown here.

Override the textChange method of each of the three controls on the Groups page as follows.

Also override the modified method of each of the three controls as follows.

Before you can write the business logic to create the inventory item, you must create methods on the form to return the selected values from the controls that you have added, as shown in the following code.
You may now write the X++ code that uses the selections made in the wizard and creates the inventory item. The following code is inserted in the run method of the wizard class.

You could include calls to validateWrite of the tables to ensure that it is impossible to create items with the wizard that cannot be created with the normal form.
Adding the Wizard to the Navigation Pane and Main Menu
To make the wizard available from the Dynamics AX main menu and the Navigation Pane, you must add the menu item to the main menu. First, you must associate the menu item with a configuration key and a security key.
Open properties for the menu item and change the ConfigurationKey property to LogisticsBasic. The SecurityKey property must match the position of the menu item on the main menu or Navigation Pane, so set SecurityKey to InventPeriodic. Because the wizard adds data to the system, you must also change the NeededAccessLevel property to Add. Finally, change the Label property of the menu item to @USR1 and the HelpText property to @USR2.
Now the menu item can be added to the main menu. The main menu consists of several submenus; you will add the wizard menu item to the Inventory Management submenu. In the AOT, expand Menus, right-click Invent, point to New, and then click Menu Item. Right-click the new menu item, and then select Properties. Make sure that MenuItemType is set to Display, and set MenuItemName to InventItemCreateWizard. Then drag the menu item to the Periodic folder. Save the menu, and then restart the Dynamics AX client to make the new menu item appear in the Navigation Pane and the Dynamics AX main menu. When the menu item is saved in the main menu, it is also visible in the Navigation Pane, which is another view of the main menu.
You could also add the menu item to the menu by simply dragging it from the Menu Items node and dropping it on the MainMenu node in the AOT.

Creating a Default Data Wizard
Default data wizards are targeted especially for creating base data in the system. An example is the Unit Creation Wizard available from Basic\Setup\Units\Units\Functions. A default data wizard has one step more than the standard wizard. In this additional step, you must choose from two types of default data wizards:
  • Set up several groups of tables.
  • Set up one group of tables.
If you select the first type of default data wizard, a grid on the second tab allows the user to select the areas in which to run the wizard. You typically use the second type of default data wizard for complex wizards that will operate on only a few tables. This kind of wizard is typically started from the main form for the table for which it creates data, and not from the menu.
Dynamics AX includes a sample default data wizard called TutorialDefaultData Wizard.
Related articles
Wizard Framework Extension Part I

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