package org.litesoft.GWT.client.view;

import org.litesoft.GWT.client.*;
import org.litesoft.GWT.client.widgets.*;
import org.litesoft.GWT.client.widgets.datatables.*;
import org.litesoft.GWT.forms.client.*;
import org.litesoft.bo.views.*;
import org.litesoft.commonfoundation.base.*;
import org.litesoft.security.*;

import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.ui.*;

import static org.litesoft.uispecification.FormWidgetAspectCtrl.*;
import static org.litesoft.uispecification.FormWidgetCtrl.*;

public class RestrictedResourcePickerDialogFactory<T extends SecurityRestrictedResourceView<T>> implements RestrictedResourcePickerDialogViewFactory {
    private String mTitle;
    private VoDataProvider<T> mDataProvider;
    private VoMetaData<T> mVoMetaData;
    private RestrictedResourceViewSupportFactory<T> mSupportFactory;

    public RestrictedResourcePickerDialogFactory( String pTitle, VoDataProvider<T> pDataProvider, VoMetaData<T> pVoMetaData,
                                                  RestrictedResourceViewSupportFactory<T> pSupportFactory ) {
        mTitle = pTitle;
        mDataProvider = pDataProvider;
        mVoMetaData = pVoMetaData;
        mSupportFactory = pSupportFactory;
    }

    @Override
    public DialogView createDialog( Dialog.Opaqueness pOpaqueness, RestrictedResourceSwitcherCallBack pCallBack ) {
        return new RestrictedResourcePickerDialog( mTitle, pOpaqueness, mDataProvider, mVoMetaData, mSupportFactory, pCallBack );
    }

    private static class RestrictedResourcePickerDialog<T extends SecurityRestrictedResourceView<T>> extends QBEdialogView<T> {
        private RestrictedResourceSwitcherCallBack mCallBack;
        private FormBinder<T> mFormBinder;
        private T mSelected = null;

        public RestrictedResourcePickerDialog( String pTitle, Opaqueness pOpaqueness, VoDataProvider<T> pDataProvider, VoMetaData<T> pVoMetaData,
                                               RestrictedResourceViewSupportFactory<T> pSupportFactory, RestrictedResourceSwitcherCallBack pCallBack ) {
            super( title( pTitle ), pOpaqueness, pDataProvider );

            Confirm.isNotNull( "CallBack", mCallBack = pCallBack );

            SizeableQBEboxedPanel zQBEboxedPanel = mQBEscreenSupport.getQBEboxedPanel();

            FilteringTableModel<T> zFilter = new FilteringTableModel<T>( mDataProvider, true, this, null, false ); // Second 'this' allows auto "New"
            zQBEboxedPanel.setWidget( zFilter.addReloadable( pSupportFactory.createTable( zFilter, this ) ) );

            QBEinputPanelAccessorWithCtrlMap<T> zFieldsPanel = pSupportFactory.createFieldPanel();

            mFE = new QBE_FormEngine( zFieldsPanel.createCtrlMap(), null, zQBEboxedPanel, zFilter, zFilter );
            mFormBinder = new FormBinder<T>( mFE, pVoMetaData );

            add( mFE.createSectionTitle( "Queue" ) );

            add( zFieldsPanel.initialize( mFE, mFormBinder ) );
            add( new SizeableSpacer().stretchable() );

            mFE.setPointerWidget( zFieldsPanel.getPointerField() );
        }

        @Override
        protected void processVO( T pRowValue ) {
            if ( pRowValue != null ) {
                mFormBinder.setExistingObject( mSelected = pRowValue, FormEngine.Mode.ViewFromSearch );
            }
        }

        @Override
        protected void modeSearch() {
            mSelected = null;
            mFE.setMode( FormEngine.Mode.Search );
        }

        @Override
        public Widget getBottomBar() {
            LeftCenterRightHorizontalPanel zActionPanel = new LeftCenterRightHorizontalPanel();

            zActionPanel.addLeft( createCancelButton() );
            zActionPanel.addRight( addViewEnabledButton( SelectButton.factory().add( new ClickHandler() {
                @Override
                public void onClick( ClickEvent event ) {
                    close();

                    mCallBack.switchToRestrictedResource( mSelected );
                }
            } ).create() ) );

            return zActionPanel;
        }

        protected ButtonBase addViewEnabledButton( ButtonBase pButtonBase ) {
            return mFE.addButton( Visible( Yes ).enable( View ), pButtonBase );
        }
    }
}