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legacy_project_wizard.md: Cleanups

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@ -4,31 +4,32 @@
<link-summary>Implementing a custom project creation wizard.</link-summary> <link-summary>Implementing a custom project creation wizard.</link-summary>
> Plugins targetting versions 2024.2 and newer should implement [](new_project_wizard.md). > Plugins targeting versions 2024.2 and newer should implement the [](new_project_wizard.md).
## Project Wizard ## Project Wizard
Working with the project wizard can be illustrated with the [RedLine SmallTalk plugin](https://github.com/bulenkov/RedlineSmalltalk). See also [](intro_project_wizard.md). Working with the project wizard can be illustrated with the [RedLine SmallTalk plugin](https://github.com/bulenkov/RedlineSmalltalk).
See also [](intro_project_wizard.md).
## Implementing a New Module Type ## Implementing a New Module Type
Additional support for specific tools and technologies is usually done via implementing some certain module type which is attached to the project. Additional support for specific tools and technologies is usually done via implementing some certain module type, which is attached to the project.
New module type should be derived from the class [`ModuleType`](%gh-ic%/platform/lang-core/src/com/intellij/openapi/module/ModuleType.java). A new module type should be derived from the class [`ModuleType`](%gh-ic%/platform/lang-core/src/com/intellij/openapi/module/ModuleType.java).
## Custom Project Wizard ## Custom Project Wizard
Main utilities to configure a custom project wizard can be found in the package [`lang-api.ide.util.projectWizard`](%gh-ic%/platform/lang-api/src/com/intellij/ide/util/projectWizard). The main utilities to configure a custom project wizard can be found in the package [`lang-api.ide.util.projectWizard`](%gh-ic%/platform/lang-api/src/com/intellij/ide/util/projectWizard).
These classes and interfaces serve the following purposes: These classes and interfaces serve the following purposes:
* Modification of the configuration wizard view - Modification of the configuration wizard view
* Adding new steps to the wizard - Adding new steps to the wizard
* Providing additional setting for project creation - Providing additional settings for project creation
* Handling activities during project creation - Handling activities during project creation
* Initial environment configuration - Initial environment configuration
### Module Type ### Module Type
To create a new module type add an extension To create a new module type, add an extension:
```xml ```xml
<moduleType <moduleType
@ -37,12 +38,15 @@ To create a new module type add an extension
``` ```
to the [`plugin.xml`](https://github.com/bulenkov/RedlineSmalltalk/blob/master/resources/META-INF/plugin.xml). to the [`plugin.xml`](https://github.com/bulenkov/RedlineSmalltalk/blob/master/resources/META-INF/plugin.xml).
A custom module type should extend the [`ModuleType`](%gh-ic%/platform/lang-core/src/com/intellij/openapi/module/ModuleType.java) generic from [`ModuleBuilder`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleBuilder.java). A custom module type should extend the
[`ModuleType`](%gh-ic%/platform/lang-core/src/com/intellij/openapi/module/ModuleType.java)
generic from
[`ModuleBuilder`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleBuilder.java).
The following [module type implementation](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleType.java) of a custom module type shows how this instance can be registered and implemented. The following [module type implementation](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleType.java) of a custom module type shows how this instance can be registered and implemented.
### Implementing Module Builder ### Implementing Module Builder
To set up a new module environment [`ModuleBuilder`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleBuilder.java) class should be extended and registered as an extension point like the following snippet shows: To set up a new module environment, [`ModuleBuilder`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleBuilder.java) should be extended and registered as an extension point like the following snippet shows:
```xml ```xml
<extensions defaultExtensionNs="com.intellij"> <extensions defaultExtensionNs="com.intellij">
@ -52,32 +56,24 @@ To set up a new module environment [`ModuleBuilder`](%gh-ic%/platform/lang-core/
``` ```
Functionality which is mandatory to implement consists of: Functionality which is mandatory to implement consists of:
- `void setupRootModel(ModifiableRootModel)` - sets up a root model for the new module
* Setting up a root model for the new module by overriding - `ModuleType getModuleType()` - returns a module type
```java
public abstract void setupRootModel(
ModifiableRootModel modifiableRootModel) throws ConfigurationException;
```
* Getting a module type
```java
public abstract ModuleType getModuleType();
```
See [`JavaModuleBuilder`](%gh-ic%/java/openapi/src/com/intellij/ide/util/projectWizard/JavaModuleBuilder.java) to understand better how to implement a module builder. See [`JavaModuleBuilder`](%gh-ic%/java/openapi/src/com/intellij/ide/util/projectWizard/JavaModuleBuilder.java) to understand better how to implement a module builder.
If your module type is based on the Java module and meant to support Java as well, extending [`JavaModuleBuilder`](%gh-ic%/java/openapi/src/com/intellij/ide/util/projectWizard/JavaModuleBuilder.java) is enough. If your module type is based on the Java module and meant to support Java as well, extending [`JavaModuleBuilder`](%gh-ic%/java/openapi/src/com/intellij/ide/util/projectWizard/JavaModuleBuilder.java) is enough.
No extension point needs to be registered. No extension point needs to be registered.
Refer to [SmallTalk module type](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleType.java) to see how [`JavaModuleBuilder`](%gh-ic%/java/openapi/src/com/intellij/ide/util/projectWizard/JavaModuleBuilder.java) can be derived. Refer to the [SmallTalk module type](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleType.java) to see how [`JavaModuleBuilder`](%gh-ic%/java/openapi/src/com/intellij/ide/util/projectWizard/JavaModuleBuilder.java) can be derived.
> Starting with the 2022.1 release, IntelliJ-based IDEs use the refreshed project wizard and some module builder base classes return `false` from `isAvailable()` when the new wizard is enabled. > Starting with the 2022.1 release, IntelliJ-based IDEs use the refreshed project wizard, and some module builder base classes return `false` from `isAvailable()` when the new wizard is enabled.
> If your module builder is not visible in 2022.1, make sure that your `ModuleBuilder.isAvailable()` returns `true`. > If your module builder is not visible in 2022.1, make sure that your `ModuleBuilder.isAvailable()` returns `true`.
> >
{style="note"} {style="note"}
### Implementing Module Builder Listener ### Implementing Module Builder Listener
Module builder listener reacts on a new module creation, which could be done either as a part of the project creation process, or as adding a new module to the already existing project. Module builder listener reacts on a new module creation, which could be done either as a part of the project creation process or as adding a new module to the already existing project.
To provide a certain behavior right after a module has been created, module builder should implement [`ModuleBuilderListener.moduleCreated(Module)`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleBuilderListener.java). To provide a certain behavior right after a module has been created, a module builder must implement [`ModuleBuilderListener.moduleCreated(Module)`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleBuilderListener.java).
Examples of the tasks executed right after a module has been created may include configuring module roots, looking up for an SDK and setting it up, adding a specific facet if required, etc. Examples of the tasks executed right after a module has been created may include configuring module roots, looking up for an SDK and setting it up, adding a specific facet if required, etc.
For more details, please see the following [SmallTalk custom module type](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleType.java) implementation. For more details, please see the following [SmallTalk custom module type](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleType.java) implementation.
@ -89,36 +85,31 @@ See an example [module builder](https://github.com/bulenkov/RedlineSmalltalk/blo
If this method returns a non-empty array of [`ModuleWizardStep`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleWizardStep.java) objects, new steps will be shown in their indexing order while creating a new module. If this method returns a non-empty array of [`ModuleWizardStep`](%gh-ic%/platform/lang-core/src/com/intellij/ide/util/projectWizard/ModuleWizardStep.java) objects, new steps will be shown in their indexing order while creating a new module.
The following [implementation](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleWizardStep.java) for the SmallTalk project type illustrates how a custom wizard step can be created. The following [implementation](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleWizardStep.java) for the SmallTalk project type illustrates how a custom wizard step can be created.
The [`RsModuleWizardStep`](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleWizardStep.java) class is derived from `ModuleWizardStep`, which has two methods to be overridden: The [`RsModuleWizardStep`](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsModuleWizardStep.java) class is derived from `ModuleWizardStep`, which has two methods to be overridden:
- `JComponent getComponent()` - defines the step's UI
* ```java - `void updateDataModel()` - commits data from UI into `ModuleBuilder` and `WizardContext`
public JComponent getComponent();
```
defines how the step will look like
* ```java
public void updateDataModel();
```
commits data from UI into `ModuleBuilder` and `WizardContext`
## Facet ## Facet
Facets in IntelliJ are the way to store multiple kinds of module-specific settings, for instance to make a language support or framework available in some given module. Facets in IntelliJ are the way to store multiple kinds of module-specific settings, for example, to make a language support or framework available in some given module.
To understand facets better from the end-user's point of view, see the [Facet](facet.md) documentation section. To understand facets better from the end-user's point of view, see the [](facet.md) documentation section.
## Implementing Project Structure Detector ## Implementing Project Structure Detector
To support the creation of your module when a project is imported from existing sources, extend [`ProjectStructureDetector`](%gh-ic%/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/ProjectStructureDetector.java). To support the creation of your module when a project is imported from existing sources, extend [`ProjectStructureDetector`](%gh-ic%/java/idea-ui/src/com/intellij/ide/util/projectWizard/importSources/ProjectStructureDetector.java).
To detect the files your module supports, implement `ProjectStructureDetector.detectRoots()`. To detect the files your module supports, implement `ProjectStructureDetector.detectRoots()`.
Refer to the [Smalltalk project structure detector](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsProjectStructureDetector.java) to see example implementation. Refer to the [Smalltalk project structure detector](https://github.com/bulenkov/RedlineSmalltalk/blob/master/src/st/redline/smalltalk/module/RsProjectStructureDetector.java) to see an example implementation.
But detecting the files is not enough, you also need to create a module for the project if appropriate by implementing `setupProjectStructure()`. But detecting the files is not enough, you also need to create a module for the project if appropriate by implementing `setupProjectStructure()`.
Here is an example that creates a module if no other modules exist in the project structure. Here is an example that creates a module if no other modules exist in the project structure.
```java ```java
@Override @Override
public void setupProjectStructure(@NotNull Collection<DetectedProjectRoot> roots, public void setupProjectStructure(
@NotNull Collection<DetectedProjectRoot> roots,
@NotNull ProjectDescriptor projectDescriptor, @NotNull ProjectDescriptor projectDescriptor,
@NotNull ProjectFromSourcesBuilder builder) { @NotNull ProjectFromSourcesBuilder builder) {
List<ModuleDescriptor> modules = projectDescriptor.getModules(); List<ModuleDescriptor> modules = projectDescriptor.getModules();
if (modules.isEmpty()) { if (modules.isEmpty()) {
modules = new ArrayList<>(); modules = new ArrayList<>();