org.drools.guvnor.client.factmodel.FactFieldsEditor.java Source code

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Here is the source code for org.drools.guvnor.client.factmodel.FactFieldsEditor.java

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/*
 * Copyright 2010 JBoss Inc
 *
 * 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.drools.guvnor.client.factmodel;

import java.util.List;

import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.util.AddButton;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import org.drools.guvnor.client.util.Format;

/**
 * 
 * @author rikkola
 *
 */
public class FactFieldsEditor extends Composite {

    private static Constants constants = ((Constants) GWT.create(Constants.class));

    interface FactFieldsEditorBinder extends UiBinder<Widget, FactFieldsEditor> {
    }

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

    @UiField
    VerticalPanel fieldsPanel;
    @UiField
    AddButton addFieldIcon;

    private final ModelNameHelper modelNameHelper;

    private final List<FieldMetaModel> fields;

    public FactFieldsEditor(final List<FieldMetaModel> fields, final ModelNameHelper modelNameHelper) {

        this.fields = fields;
        this.modelNameHelper = modelNameHelper;

        initWidget(uiBinder.createAndBindUi(this));

        addFieldRows();

        addFieldIcon.setTitle(constants.AddField());
        addFieldIcon.setText(constants.AddField());
    }

    @UiHandler("addFieldIcon")
    void addNewFieldClick(ClickEvent event) {
        final FieldEditorPopup popup = new FieldEditorPopup(modelNameHelper);

        popup.setOkCommand(new Command() {

            public void execute() {
                createNewField(popup);
            }

            private void createNewField(final FieldEditorPopup popup) {
                FieldMetaModel field = popup.getField();
                fields.add(field);
                addFieldRow(field);
            }
        });

        popup.show();

    }

    private void addFieldRows() {
        for (FieldMetaModel fieldMetaModel : fields) {
            addFieldRow(fieldMetaModel);
        }
    }

    private void addFieldRow(final FieldMetaModel fieldMetaModel) {
        final FactFieldEditor editor = new FactFieldEditor(fieldMetaModel, modelNameHelper);

        editor.setDeleteCommand(new Command() {
            public void execute() {
                if (Window.confirm(
                        Format.format(constants.AreYouSureYouWantToRemoveTheField0(), fieldMetaModel.name))) {
                    fieldsPanel.remove(editor);
                    fields.remove(fieldMetaModel);
                }
            }
        });

        fieldsPanel.add(editor);
    }
}