package com.minres.scviewer.e4.application.handlers;

import java.util.LinkedList;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.eclipse.core.runtime.preferences.ConfigurationScope;
import org.eclipse.e4.core.contexts.Active;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.model.application.ui.basic.MWindow;
import org.eclipse.e4.ui.model.application.ui.menu.MHandledItem;
import org.eclipse.e4.ui.workbench.modeling.EModelService;
import org.eclipse.jface.preference.IPreferenceStore;

import com.minres.scviewer.e4.application.preferences.PreferenceConstants;
import com.opcoach.e4.preferences.ScopedPreferenceStore;

public class EnableHover {
	static final String TAG_NAME = "EnableHover"; //$NON-NLS-1$

	@Inject
	MApplication application;
		
	@PostConstruct
	public void initialize(EModelService modelService) {
		List<String> tags = new LinkedList<>();
		tags.add(TAG_NAME);
		List<MHandledItem> elements = modelService.findElements(application, null, MHandledItem.class, tags );
	   // cover initialization stuff, sync it with code
		IPreferenceStore store = new ScopedPreferenceStore(ConfigurationScope.INSTANCE, PreferenceConstants.PREFERENCES_SCOPE);
		boolean state = store.getBoolean(PreferenceConstants.SHOW_HOVER);
		for( MHandledItem hi : elements ){
			hi.setSelected(state);
		}
	}

	@Execute
	public void execute(@Active MPart part, @Active MWindow window, MHandledItem handledItem, EModelService modelService ) {
		IPreferenceStore store = new ScopedPreferenceStore(ConfigurationScope.INSTANCE, PreferenceConstants.PREFERENCES_SCOPE);
		store.setValue(PreferenceConstants.SHOW_HOVER, handledItem.isSelected());
	}
		
}