hydrograph.ui.graph.action.CommentBoxAction.java Source code

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Here is the source code for hydrograph.ui.graph.action.CommentBoxAction.java

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/*******************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, 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 hydrograph.ui.graph.action;

import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.ui.actions.SelectionAction;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;

import hydrograph.ui.common.util.Constants;
import hydrograph.ui.common.util.XMLConfigUtil;
import hydrograph.ui.graph.command.CommentBoxCommand;
import hydrograph.ui.graph.controller.ContainerEditPart;
import hydrograph.ui.graph.editor.ELTGraphicalEditor;
import hydrograph.ui.graph.model.CommentBox;
import hydrograph.ui.graph.model.Container;

/**
 * The Class Action use to create Comment Box
 * 
 * @author Bitwise
 */
public class CommentBoxAction extends SelectionAction {
    private static String COMMENT_BOX = "Comment Box";
    private String LABEL = "Label";

    /**
     * Instantiates a new CommentBoxAction.
     * 
     * @param part
     *            the part
     * @param action
     *            the action
     */

    public CommentBoxAction(IWorkbenchPart part, IAction action) {
        super(part);
        setLazyEnablementCalculation(true);
    }

    @Override
    protected boolean calculateEnabled() {
        if (getSelectedObjects() != null && getSelectedObjects().size() == 1
                && getSelectedObjects().get(0) instanceof ContainerEditPart)
            return true;
        return false;
    }

    @Override
    protected void init() {
        super.init();
        setText(COMMENT_BOX);
        setId(Constants.COMMENT_BOX);
        setHoverImageDescriptor(getImageDisDescriptor());
        setImageDescriptor(getImageDisDescriptor());
        setDisabledImageDescriptor(getImageDisDescriptor());
        setEnabled(false);
    }

    /**
     * Creating command for comment box
     */
    private Command createCommentBoxCommand() {
        ELTGraphicalEditor editor = (ELTGraphicalEditor) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                .getActivePage().getActiveEditor();
        if (editor != null) {
            Container container = editor.getContainer();

            org.eclipse.draw2d.geometry.Point point = editor.location;
            CommentBox label = new CommentBox(LABEL);
            label.setSize(new Dimension(300, 60));
            label.setLocation(point);
            CommentBoxCommand command = new CommentBoxCommand(label, LABEL, container);
            return command;
        }
        return null;
    }

    /**
     * return ImageDescriptor for comment box
     * @return ImageDescriptor
     */
    private ImageDescriptor getImageDisDescriptor() {
        ImageDescriptor imageDescriptor = new ImageDescriptor() {

            @Override
            public ImageData getImageData() {
                return new ImageData(XMLConfigUtil.INSTANCE.CONFIG_FILES_PATH + "/icons/comment-box-icon.png");
            }
        };
        return imageDescriptor;
    }

    @Override
    public void run() {
        execute(createCommentBoxCommand());
    }
}