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

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Here is the source code for org.drools.guvnor.client.factmodel.FactModelEditor.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 org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.resources.Images;
import org.drools.guvnor.client.util.AbstractLazyStackPanelHeader;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
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.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.Widget;

/**
 * 
 * @author rikkola
 *
 */
public class FactModelEditor extends AbstractLazyStackPanelHeader {

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

    interface FactModelEditorBinder extends UiBinder<Widget, FactModelEditor> {
    }

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

    @UiField
    Image icon;
    @UiField
    Label titleLabel;
    @UiField
    Image editIcon;
    @UiField
    Image moveUpIcon;
    @UiField
    Image moveDownIcon;
    @UiField
    Image deleteIcon;

    private ClickHandler expandClickHandler = new ClickHandler() {

        public void onClick(ClickEvent event) {
            onTitleClicked();
        }
    };

    private final FactMetaModel factMetaModel;
    private Command deleteEvent;

    private Command moveUpCommand;
    private Command moveDownCommand;

    private ModelNameHelper modelNameHelper;

    public void setDeleteEvent(Command deleteEvent) {

        this.deleteEvent = deleteEvent;
    }

    public FactModelEditor(FactMetaModel factMetaModel) {

        this.factMetaModel = factMetaModel;

        add(uiBinder.createAndBindUi(this));

        titleLabel.setText(factMetaModel.name);

        icon.addClickHandler(expandClickHandler);
        titleLabel.addClickHandler(expandClickHandler);

        setIconImage();

        moveUpIcon.setTitle(constants.MoveUp());
        moveDownIcon.setTitle(constants.MoveDown());
        deleteIcon.setTitle(constants.RemoveThisFactType());

        addOpenHandler(new OpenHandler<AbstractLazyStackPanelHeader>() {
            public void onOpen(OpenEvent<AbstractLazyStackPanelHeader> event) {
                expanded = true;
                setIconImage();
            }
        });

        addCloseHandler(new CloseHandler<AbstractLazyStackPanelHeader>() {
            public void onClose(CloseEvent<AbstractLazyStackPanelHeader> event) {
                expanded = false;
                setIconImage();
            }
        });
    }

    @UiHandler("editIcon")
    void editIconClick(ClickEvent event) {
        final FactEditorPopup popup = new FactEditorPopup(factMetaModel, modelNameHelper);

        popup.setOkCommand(new Command() {
            public void execute() {
                titleLabel.setText(factMetaModel.name);
            }
        });

        popup.show();
    }

    @UiHandler("moveUpIcon")
    void moveUpClick(ClickEvent event) {
        moveUpCommand.execute();
    }

    @UiHandler("moveDownIcon")
    void moveDownClick(ClickEvent event) {
        moveDownCommand.execute();
    }

    @UiHandler("deleteIcon")
    void deleteClick(ClickEvent event) {
        if (Window.confirm(constants.AreYouSureYouWantToRemoveThisFact())) {
            deleteEvent.execute();
        }
    }

    public void setModelNameHelper(ModelNameHelper modelNameHelper) {
        this.modelNameHelper = modelNameHelper;
    }

    private void setIconImage() {
        if (expanded) {
            icon.setResource(images.collapse());
        } else {
            icon.setResource(images.expand());
        }

    }

    public void setMoveDownCommand(Command moveDownCommand) {
        this.moveDownCommand = moveDownCommand;
    }

    public void setMoveUpCommand(Command moveUpCommand) {
        this.moveUpCommand = moveUpCommand;
    }

    public void setUpVisible(boolean visible) {
        moveUpIcon.setVisible(visible);
    }

    public void setDownVisible(boolean visible) {
        moveDownIcon.setVisible(visible);
    }

    public void expand() {
        if (!expanded) {
            onTitleClicked();
        }
    }

    public void collapse() {
        if (expanded) {
            onTitleClicked();
        }
    }

    private void onTitleClicked() {
        if (expanded) {
            CloseEvent.fire(this, this);
        } else {
            OpenEvent.fire(this, this);
        }
    }

    public FactMetaModel getFactModel() {
        return factMetaModel;
    }

    public Widget getContent() {
        return new FactFieldsEditor(factMetaModel.fields, modelNameHelper);
    }
}