StencilTemplateBuilder.java

/*
 * Copyright 2015 JBoss, by Red Hat, 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.uberfire.ext.wires.bayesian.network.client.templates;

import com.ait.lienzo.client.core.event.NodeMouseClickHandler;
import com.ait.lienzo.client.core.shape.Rectangle;
import com.ait.lienzo.client.core.shape.Shape;
import com.ait.lienzo.client.core.shape.Text;
import com.ait.lienzo.shared.core.types.TextBaseLine;
import org.uberfire.ext.wires.core.client.util.ShapeFactoryUtil;
import org.uberfire.ext.wires.core.client.util.ShapesUtils;

/**
 *
 */
public class StencilTemplateBuilder {

    public TemplateShape build(final String templateName,
                               final NodeMouseClickHandler clickHandler) {

        final TemplateShape templateShape = new TemplateShape();
        final Shape shape = drawShape();
        final Rectangle bounding = drawBoundingBox();
        final Text description = drawDescription(templateName);

        //Attach handles for drag operation
        shape.addNodeMouseClickHandler(clickHandler);
        bounding.addNodeMouseClickHandler(clickHandler);
        description.addNodeMouseClickHandler(clickHandler);

        //Build Template Shape
        templateShape.setBounding(bounding);
        templateShape.setShape(shape);
        templateShape.setDescription(description);

        return templateShape;
    }

    private Shape drawShape() {
        final Rectangle rectangle = new Rectangle(20,
                                                  20);

        rectangle.setX(5).setY(5)
                .setStrokeColor(ShapesUtils.RGB_STROKE_SHAPE)
                .setStrokeWidth(ShapesUtils.RGB_STROKE_WIDTH_SHAPE)
                .setFillColor(ShapesUtils.RGB_FILL_SHAPE)
                .setDraggable(false);

        return rectangle;
    }

    private Rectangle drawBoundingBox() {
        final Rectangle boundingBox = new Rectangle(ShapeFactoryUtil.WIDTH_BOUNDING_LAYER,
                                                    ShapeFactoryUtil.HEIGHT_BOUNDING_LAYER);
        boundingBox.setStrokeColor(ShapeFactoryUtil.RGB_STROKE_BOUNDING)
                .setStrokeWidth(1)
                .setFillColor(ShapeFactoryUtil.RGB_FILL_BOUNDING)
                .setDraggable(false);
        return boundingBox;
    }

    private Text drawDescription(final String templateName) {
        Text text = new Text(templateName,
                             ShapeFactoryUtil.FONT_FAMILY_DESCRIPTION,
                             ShapeFactoryUtil.FONT_SIZE_DESCRIPTION);
        text.setFillColor(ShapeFactoryUtil.RGB_TEXT_DESCRIPTION);
        text.setTextBaseLine(TextBaseLine.MIDDLE);
        text.setX(30);
        text.setY(10);
        return text;
    }
}