AddImportPopup.java

/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kie.workbench.common.widgets.configresource.client.widget.bound;

import java.util.List;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.Widget;
import org.drools.workbench.models.datamodel.imports.Import;
import org.gwtbootstrap3.client.ui.FormGroup;
import org.gwtbootstrap3.client.ui.ListBox;
import org.gwtbootstrap3.client.ui.ModalBody;
import org.kie.workbench.common.widgets.configresource.client.resources.i18n.ImportConstants;
import org.uberfire.ext.widgets.common.client.common.popups.BaseModal;
import org.uberfire.ext.widgets.common.client.common.popups.footers.ModalFooterOKCancelButtons;

public class AddImportPopup extends BaseModal {

    interface AddGlobalPopupBinder
            extends
            UiBinder<Widget, AddImportPopup> {

    }

    private static AddGlobalPopupBinder uiBinder = GWT.create( AddGlobalPopupBinder.class );

    @UiField
    FormGroup importTypeGroup;

    @UiField
    ListBox importTypeListBox;

    private Command callbackCommand;

    private final Command okCommand = new Command() {
        @Override
        public void execute() {
            onOKButtonClick();
        }
    };

    private final Command cancelCommand = new Command() {
        @Override
        public void execute() {
            hide();
        }
    };

    private final ModalFooterOKCancelButtons footer = new ModalFooterOKCancelButtons( okCommand,
                                                                                      cancelCommand );

    public AddImportPopup() {
        setTitle( ImportConstants.INSTANCE.addImportPopupTitle() );

        add( new ModalBody() {{
            add( uiBinder.createAndBindUi( AddImportPopup.this ) );
        }} );
        add( footer );

        importTypeListBox.getElement().getStyle().setWidth( 100.0,
                                                            Style.Unit.PCT );
        importTypeListBox.addChangeHandler( new ChangeHandler() {

            @Override
            public void onChange( ChangeEvent event ) {
                final boolean enable = importTypeListBox.getSelectedIndex() > 0;
                footer.enableOkButton( enable );
            }
        } );
    }

    private void onOKButtonClick() {
        if ( callbackCommand != null ) {
            callbackCommand.execute();
        }
        hide();
    }

    public String getImportType() {
        return importTypeListBox.getSelectedValue();
    }

    public void setContent( final Command callbackCommand,
                            final List<Import> allAvailableImportTypes ) {
        this.callbackCommand = callbackCommand;
        this.importTypeListBox.clear();

        if ( allAvailableImportTypes.size() > 0 ) {
            importTypeListBox.addItem( ImportConstants.INSTANCE.ChooseAFactType() );
            for ( Import importType : allAvailableImportTypes ) {
                importTypeListBox.addItem( importType.getType() );
            }
            footer.enableOkButton( false );
            importTypeListBox.setSelectedIndex( 0 );
            importTypeListBox.setEnabled( true );

        } else {
            importTypeListBox.addItem( ImportConstants.INSTANCE.noTypesAvailable() );
            footer.enableOkButton( false );
            importTypeListBox.setSelectedIndex( 0 );
            importTypeListBox.setEnabled( false );
        }

    }

}