Просмотр кода страницы Pzl-Component in 10 steps

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'''Basic Definitions of the Pzl-Technology'''

Classes and packages, wrapping these classes, which fit the special agreement, are called the Pzl-components.

Pzl-components are placed in pzl-containers. Pzl-container may contain an unlimited amount of pzl-components.

The interaction between the usual Visual Prolog classes and pzl-components, and the interaction between pzl-components are handled by the pzl-system.

The main part of the application, which includes the pzl-system core, is named PzlPort.

The DLL, which is built in accordance with the pzl-technology agreements, is named the DLL-container.

The dll-container and the pzlPort are pzl-containers.

=Step 1. The first run of the Elementary PzlStudio=
If you have no PzlStudio PzlStudio in the menu '''Start/...''' of you computer, then you should find the directory '''SpbSolutions/Bin''' and run the application PzlStudioElementary.exe.

[[Image:PzlStudio DemoRun Initialized.png]]

Please check the status of your settings and modify them if there is such a need.
To do so you should call the form to set the Basic Options using the menu item '''Tools/Options''':

[[Image:PzlStudio OptionsDLG.png]]

Press '''Close''' to close the form.

=Step 2. Create the pzl-container MyHelloWorld=
Using the menu entry '''File/New.../Container''' in the Elementary PzlStudio invoke the form and set:
*the name of the directory of the pzl-container ''MyDemoContainer''.
*the name of the container ''MyDemoContainer''.

[[Image:PzlStudio DemoRun ContainerCreate.png]]

Press '''Create'''. The container is created!

Press '''Close''' to close the form.

=Step 3. Compile the pzl-container=
Open the IDE of the Visual Prolog system.

Open the project ''MyDemoContainer.prj6''.

[[Image:PzlStudio DemoRun ContainerAtIDE.png]]

Build the project (Ctrl-Shift-B).

Save the project (Ctrl-S).

=Шаг 4. Crate the pzl-component =
Using the menu item '’'File/New.../Component''' in the Elementary PzlStudio invoke the form and set:
*The directory name ''MyHelloWorld''
*The name of the pzl-component ''MyHelloWorld''.

There is no need to edit the rest parameters.

[[Image:PzlStudio DemoRun ComponentCreate.png]]

Press '''Create'''. The pzl-component is created!

Press '''Close''' to close the form.

=Step 5. Add the pzl-component to the pzl-container =
Invoke the form using the menu item '''Tools/Add.../Component To Container''' and set there:
*The name of the pzl-container ''... /MyDemoContainer.prj6''
*The package of the pzl-component ''... /MyHelloWorld.pack''.

[[Image:PzlStudio DemoRun AddComponent.png]]

Press '''Add As Original'''. The pzl-component placed to the pzl-container!

Press '''Close''' to close the form.
=Step 7. Compile the pzl-container =
Come back to IDE. It is supposed the project MyDemoContainer.prj6 is still opened.

[[Image:PzlStudio Demo ComponentAddedProject.png]]

Build the project (Ctrl-Shift-B). Accept the adding of the new packages to the project by pressing '''Add All'''.

[[Image:PzlStudio DemoRun ContainerAddGuiDialog.png]]

Now you can see all files of the package MyHelloWorld.pack in the project window.

[[Image:PzlStudio Demo ProjectCompiled.png]]

Save the project (Ctrl-S).

=Step 7. Register the pzl-component =
Invoke the registration form using the menu entry '''Tools/Register Components''' and set there:
*The name of the pzl-container file ''MyDemoContainer.PZL (...)'' – you can find if in the target directory of the project
*View The Content of '''<Container>''' at Target '''<Current User>'''

[[Image:PzlStudio DemoRun RegisteringSelection.png]]

Select the pzl-component "MyHelloWorld".
Press the button '''Register Selected'''. The component is registered!

[[Image:PzlStudio DemoRun RegisteringRegistered.png]]

Press ‘’’Close’’’ to close the form.

=Шаг 8. Write the code in the class MyHelloWorld=

Come back to the IDE of the Visual Prolog system.

Make the DoubleClick on the file MyHelloWorld.pro.

[[Image:PzlStudio DemoRun IDESourceImplementation.png]]

Write to the predicates spbRun(...) body the call
<vip>
clauses
  spbRun(""):-
    !,
    MSG="My Hello to World from MyDemoContainer!",
    write(MSG),
    vpiCommonDialogs::note(MSG).
  spbRun(UserText):-
    MSG=string::format("My Hello to World from MyDemoContainer!\nEntered:%\n",UserText),
    write(MSG),
    vpiCommonDialogs::note(MSG).
</vip>

[[Image:PzlStudio DemoRun IDESourceUpdated.png]]

=Step 9. Compile the pzl-container =
Run project building (Ctrl-Shift-B).

Accept proposals of the IDE by pressing '''Add All'''

[[Image:PzlStudio DemoRun AddVPIToProject.png]]

Now component makes something valuable!

=Step 10. Run it!=
In the PzlStudio:
*Using the menu entry '''View/PzlStatus''' invoke the pzl-system status form
*Using the menu entry '''Tools/Run Component''' invoke the component invocation form, find there the component ''MyHelloWorld'', and write the text to the ‘’’Parameter’’’ field:

[[Image:PzlStudio DemoRun InvokeRun.png]]

Press '''Run''' and get

[[Image:PzlStudio DemoRun RunResult.png]]

=References=
[[Category:VpPuZzleEn]]

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Просмотр кода страницы Pzl-Component in 10 steps

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