import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
@Nullable
@Override
public ModuleWizardStep modifySettingsStep(@NotNull SettingsStep settingsStep) {
  if (myTemplate == null) {
    return super.modifySettingsStep(settingsStep);
  }
  final WebProjectGenerator.GeneratorPeer peer = myTemplate.getPeer();
  peer.buildUI(settingsStep);
  return new ModuleWizardStep() {
    @Override
    public JComponent getComponent() {
      return null;
    }

    @Override
    public void updateDataModel() {
    }

    @Override
    public boolean validate() throws ConfigurationException {
      ValidationInfo info = peer.validate();
      if (info != null) throw new ConfigurationException(info.message);
      return true;
    }
  };
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
@Nullable
@Override
public ModuleWizardStep modifySettingsStep(@NotNull SettingsStep settingsStep) {
  if (myTemplate == null) {
    return super.modifySettingsStep(settingsStep);
  }
  WebProjectGenerator.GeneratorPeer peer = myTemplate.getPeer();
  peer.buildUI(settingsStep);
  return new ModuleWizardStep() {
    @Override
    public JComponent getComponent() {
      return null;
    }

    @Override
    public void updateDataModel() {
    }
  };
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
private static <T> void doGenerate(@NotNull WebProjectTemplate<T> template, @NotNull Module module) {
  WebProjectGenerator.GeneratorPeer<T> peer = template.getPeer();
  ModuleRootManager moduleRootManager = ModuleRootManager.getInstance(module);
  VirtualFile[] contentRoots = moduleRootManager.getContentRoots();
  VirtualFile dir = module.getProject().getBaseDir();
  if (contentRoots.length > 0 && contentRoots[0] != null) {
    dir = contentRoots[0];
  }
  template.generateProject(module.getProject(), dir, peer.getSettings(), module);
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
protected void initGeneratorListeners() {
  if (myProjectGenerator instanceof WebProjectTemplate) {
    ((WebProjectTemplate)myProjectGenerator).getPeer().addSettingsStateListener(new WebProjectGenerator.SettingsStateListener() {
      @Override
      public void stateChanged(boolean validSettings) {
        checkValid();
      }
    });
  }
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
public boolean checkValid() {
  if (myLocationField == null) return true;
  final String projectName = myLocationField.getText();
  setErrorText(null);

  if (projectName.trim().isEmpty()) {
    setErrorText("Project name can't be empty");
    return false;
  }
  if (myLocationField.getText().indexOf('$') >= 0) {
    setErrorText("Project directory name must not contain the $ character");
    return false;
  }
  if (myProjectGenerator != null) {
    final String baseDirPath = myLocationField.getTextField().getText();
    ValidationResult validationResult = myProjectGenerator.validate(baseDirPath);
    if (!validationResult.isOk()) {
      setErrorText(validationResult.getErrorMessage());
      return false;
    }
    if (myProjectGenerator instanceof WebProjectTemplate) {
      final WebProjectGenerator.GeneratorPeer peer = ((WebProjectTemplate)myProjectGenerator).getPeer();
      final ValidationInfo validationInfo = peer.validate();
      if (validationInfo != null && !peer.isBackgroundJobRunning()) {
        setErrorText(validationInfo.message);
        return false;
      }
    }
  }

  return true;
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
@Override
public void addSettingsStateListener(@NotNull WebProjectGenerator.SettingsStateListener listener) {
  myListeners.add(listener);
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
private void fireStateChanged() {
  GithubTagInfo tag = myReloadableComboBoxPanel.getSelectedValue();
  for (WebProjectGenerator.SettingsStateListener listener : myListeners) {
    listener.stateChanged(tag != null);
  }
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
@Override
public void addSettingsStateListener(@NotNull WebProjectGenerator.SettingsStateListener settingsStateListener) {
    stateListeners.add(settingsStateListener);
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
private void fireStateChanged() {
  GithubTagInfo tag = getSelectedTag();
  for (WebProjectGenerator.SettingsStateListener listener : myListeners) {
    listener.stateChanged(tag != null);
  }
}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
@Override
public void addSettingsStateListener(@NotNull WebProjectGenerator.SettingsStateListener listener) {

}
 

import com.intellij.platform.WebProjectGenerator; //导入依赖的package包/类
@Override
public void addSettingsStateListener(@NotNull WebProjectGenerator.SettingsStateListener settingsStateListener) {

}