hydrograph.ui.graph.canvas.search.HydrographComponentProposalProvider.java Source code

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Here is the source code for hydrograph.ui.graph.canvas.search.HydrographComponentProposalProvider.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.canvas.search;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.eclipse.gef.palette.CombinedTemplateCreationEntry;
import org.eclipse.gef.palette.PaletteContainer;
import org.eclipse.gef.palette.PaletteEntry;
import org.eclipse.gef.palette.PaletteRoot;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;

import hydrograph.ui.common.component.config.Component;
import hydrograph.ui.common.util.Constants;
import hydrograph.ui.common.util.XMLConfigUtil;

/**
 * HydrographComponentProposalProvider class provides the proposal for content
 * assist.
 * @author Bitwise
 *
 */
public class HydrographComponentProposalProvider implements IContentProposalProvider {

    private ArrayList<IContentProposal> proposalList;
    private PaletteRoot paletteRoot;
    private ComponentDetails componentDetails;
    private String COMMENT_BOX = "Comment Box";

    public HydrographComponentProposalProvider(ComponentSearchUtility componentAssist,
            ArrayList<IContentProposal> proposalList, PaletteRoot paletteRoot) {
        super();
        this.proposalList = proposalList;
        this.paletteRoot = paletteRoot;
    }

    @Override
    public IContentProposal[] getProposals(String contents, int position) {

        proposalList.clear();
        List<PaletteContainer> paletteEntry = paletteRoot.getChildren();
        for (PaletteContainer paletteContainer : paletteEntry) {
            List<PaletteEntry> paletteDrawersList = paletteContainer.getChildren();
            for (PaletteEntry paletteDrawer : paletteDrawersList) {

                if (StringUtils.containsIgnoreCase(
                        paletteDrawer.getParent().getLabel() + " : " + paletteDrawer.getLabel(), contents)) {
                    String componentName = ((Class) ((CombinedTemplateCreationEntry) paletteDrawer).getTemplate())
                            .getSimpleName();
                    componentDetails = new ComponentDetails();
                    Component component = XMLConfigUtil.INSTANCE.getComponent(componentName);
                    componentDetails.setName(componentName);
                    componentDetails.setCategoryAndPalletteName(
                            paletteDrawer.getParent().getLabel() + " : " + paletteDrawer.getLabel());
                    componentDetails.setDescription(component.getDescription());
                    componentDetails.setDescriptor(paletteDrawer.getSmallIcon());
                    proposalList.add(new ComponentContentProposal(componentDetails));
                }
            }
        }

        componentDetails = new ComponentDetails();
        componentDetails.setName(COMMENT_BOX);
        componentDetails.setCategoryAndPalletteName(COMMENT_BOX);
        componentDetails.setDescription(COMMENT_BOX);
        componentDetails.setDescriptor(getCommentBoxImageDisDescriptor());
        proposalList.add(new ComponentContentProposal(componentDetails));
        return proposalList.toArray(new IContentProposal[0]);
    }

    /**
     * Provides the image descriptor for Comment box
     * @return imageDescriptor
     */
    private ImageDescriptor getCommentBoxImageDisDescriptor() {
        ImageDescriptor imageDescriptor = new ImageDescriptor() {

            @Override
            public ImageData getImageData() {
                return new ImageData(XMLConfigUtil.INSTANCE.CONFIG_FILES_PATH + Constants.COMMENT_BOX_IMAGE_PATH);
            }
        };
        return imageDescriptor;
    }
}