// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.aokeyhole.swing;

import org.litesoft.aokeyhole.objects.*;
import org.litesoft.aokeyhole.swing.namevaluecomponents.*;
import org.litesoft.aokeyhole.swing.simplecomponents.*;
import org.litesoft.aokeyhole.toolkit.*;
import org.litesoft.aokeyhole.toolkit.editorviewer.*;

import javax.swing.*;

public class SwingEditViewCardedJPanel extends CardedJPanel implements EditViewPanelController {
    private static final String OPTION_BLANK = "Blank";

    private final ActionsListener mActionsListener;
    private final NameValueChangedByUserListener mNameValueChangedByUserListener;

    private static final String OPTION_SELECT_NEW_Object = "NEW_Object";
    private boolean mObjectSelector = false;
    private ObjectSet mDefaultObjectSet = null;
    private NewObjectTypeSelectionListener mNewObjectTypeSelectionListener = null;

    private static final String OPTION_SELECT_NEW_Attribute = "OPTION_SEL_Attribute";

    private static final String OPTION_SELECT_EXISTING_Object = "EXISTING_Object";

    private static final String OPTION_SELECT_EXISTING_Attribute = "EXISTING_Attribute";

    public SwingEditViewCardedJPanel( ActionsListener pActionsListener, NameValueChangedByUserListener pNameValueChangedByUserListener ) {
        mActionsListener = pActionsListener;
        mNameValueChangedByUserListener = pNameValueChangedByUserListener;
        addOption( new JLabel( "- - - - - - - - - - - - - Properties - - - - - - - - - - - - -" ), OPTION_BLANK );
    }

    @Override
    public void showBlank() {
        showOption( OPTION_BLANK );
    }

    public void addNewObjectTypeSelector( JPanel pPanel ) {
        mObjectSelector = true;
        addOption( pPanel, OPTION_SELECT_NEW_Object );
    }

    public void addNewObjectTypeSelector( ObjectSet pDefaultObjectSet, NewObjectTypeSelectionListener pNewObjectTypeSelectionListener ) {
        mDefaultObjectSet = pDefaultObjectSet;
        mNewObjectTypeSelectionListener = pNewObjectTypeSelectionListener;
    }

    @Override
    public void showNewObjectTypeSelector( SubSystemMetaData pSubSystemMetaData ) {
        if ( mObjectSelector ) {
            showOption( OPTION_SELECT_NEW_Object );
            return;
        }
        if ( (mDefaultObjectSet != null) && (mNewObjectTypeSelectionListener != null) ) {
            mNewObjectTypeSelectionListener.newObjectTypeSelected( mDefaultObjectSet );
            return;
        }
        throw new IllegalStateException( "No DefaultObjectSet or NewObjectTypeSelectionListener" );
    }

    private AddNewAttributeTypeSelectorJPanel mAddNewAttributeTypeSelectorJPanel = null;

    public void addNewAttributeTypeSelector( AttributeSet[] pAttributeSets, ActionsListener pActionsListener,
                                             NewAttributeTypeSelectionListener pNewAttributeTypeSelectionListener ) {
        mAddNewAttributeTypeSelectorJPanel = new AddNewAttributeTypeSelectorJPanel( pAttributeSets, pActionsListener, pNewAttributeTypeSelectionListener );
        addOption( mAddNewAttributeTypeSelectorJPanel, OPTION_SELECT_NEW_Attribute );
    }

    @Override
    public void showNewAttributeTypeSelector( ObjectMetaData pObjectMetaData ) {
        mAddNewAttributeTypeSelectorJPanel.buildAttributePanel( pObjectMetaData.getObjectSet() );
        showOption( OPTION_SELECT_NEW_Attribute );
    }

    private SwingObjectPropertyComponentFactory mSwingObjectPropertyComponentFactory = null;
    private CommonPropertyActionJPanel mObjectPropertyActionJPanel = null;

    public void addObjects( SwingObjectPropertyComponentFactory pSwingObjectPropertyComponentFactory ) {
        mSwingObjectPropertyComponentFactory = pSwingObjectPropertyComponentFactory;
        mObjectPropertyActionJPanel = new CommonPropertyActionJPanel();
        addOption( mObjectPropertyActionJPanel, OPTION_SELECT_EXISTING_Object );
    }

    @Override
    public ActionsControllableNameValuesComponent showObjectNew( SubSystemMetaData pSubSystemMetaData, ObjectSet pObjectSet ) {
        return populateAndShowObjectPanel( pSubSystemMetaData, pObjectSet, true, CommonPropertyActionJPanel.ACTION_NEW );
    }

    @Override
    public ActionsControllableNameValuesComponent showObjectExisting( ObjectMetaData pObjectMetaData ) {
        return populateAndShowObjectPanel( pObjectMetaData.getSubSystemMetaData(), pObjectMetaData.getObjectSet(), pObjectMetaData.isEditable(),
                                           CommonPropertyActionJPanel.ACTION_EDIT );
    }

    private ActionsControllableNameValuesComponent populateAndShowObjectPanel( SubSystemMetaData pSubSystemMetaData, ObjectSet pObjectSet, boolean pEditable,
                                                                               String pEditableActionsID ) {
        showBlank(); // Switch away temporarily so can tear down potentially old Object View

        String zLabel = pObjectSet.getType();

        mObjectPropertyActionJPanel.clear();

        VerticalGrowableIndicatingComponent[] zComponents =
                mSwingObjectPropertyComponentFactory.createComponentsForObject( mNameValueChangedByUserListener, pObjectSet, pSubSystemMetaData );

        mObjectPropertyActionJPanel.build( zLabel, mActionsListener, pEditable, true, zComponents );

        return prepAndShowPanel( OPTION_SELECT_EXISTING_Object, mObjectPropertyActionJPanel, pObjectSet, false, null, pEditable, pEditableActionsID );
    }

    private SwingAttributePropertyComponentFactory mSwingAttributePropertyComponentFactory = null;
    private CommonPropertyActionJPanel mAttributePropertyActionJPanel = null;

    public void addAttributes( SwingAttributePropertyComponentFactory pSwingAttributePropertyComponentFactory ) {
        mSwingAttributePropertyComponentFactory = pSwingAttributePropertyComponentFactory;
        mAttributePropertyActionJPanel = new CommonPropertyActionJPanel();
        addOption( mAttributePropertyActionJPanel, OPTION_SELECT_EXISTING_Attribute );
    }

    @Override
    public ActionsControllableNameValuesComponent showAttributeNew( ObjectMetaData pObjectMetaData, boolean pVirtual, AttributeSet pAttributeSet ) {
        return populateAndShowAttributePanel( pObjectMetaData, pVirtual, pAttributeSet, true, CommonPropertyActionJPanel.ACTION_NEW );
    }

    @Override
    public ActionsControllableNameValuesComponent showAttribExisting( AttributeMetaData pAttributeMetaData ) {
        return populateAndShowAttributePanel( pAttributeMetaData.getObjectMetaData(), pAttributeMetaData.isVirtual(), pAttributeMetaData.getAttributeSet(),
                                              pAttributeMetaData.isEditable(), CommonPropertyActionJPanel.ACTION_EDIT );
    }

    private ActionsControllableNameValuesComponent populateAndShowAttributePanel( ObjectMetaData pObjectMetaData, boolean pVirtual, AttributeSet pAttributeSet,
                                                                                  boolean pEditable, String pEditableActionsID ) {
        showBlank(); // Switch away temporarily so can tear down potentially old Attribute View

        String zLabel = (pVirtual ? "Virtual-" : "") + pAttributeSet.getType();

        mAttributePropertyActionJPanel.clear();

        VerticalGrowableIndicatingComponent[] zComponents =
                mSwingAttributePropertyComponentFactory.createComponentsForAttribute( mNameValueChangedByUserListener, pVirtual, pAttributeSet,
                                                                                      pObjectMetaData );

        mAttributePropertyActionJPanel.build( zLabel, mActionsListener, pEditable, pAttributeSet.isUiDeleteable(), zComponents );

        return prepAndShowPanel( OPTION_SELECT_EXISTING_Attribute, mAttributePropertyActionJPanel, pObjectMetaData.getObjectSet(), pVirtual, pAttributeSet,
                                 pEditable, pEditableActionsID );
    }

    private ActionsControllableNameValuesComponent prepAndShowPanel( String pOptionKey, CommonPropertyActionJPanel pPanel, ObjectSet pObjectSet,
                                                                     boolean pVirtual, AttributeSet pAttributeSet, boolean pEditable,
                                                                     String pEditableActionsID ) {
        pPanel.set( pObjectSet, pVirtual, pAttributeSet );

        pPanel.setEnabled( pEditable );

        pPanel.showActions( pEditable ? pEditableActionsID : CommonPropertyActionJPanel.ACTION_BLANK );

        showOption( pOptionKey );

        return pPanel;
    }
}