MDMRepositoryLinkHelper.java

// ============================================================================
//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.mdm.repository.ui.navigator;

import java.util.List;

import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.navigator.ILinkHelper;
import org.talend.core.model.repository.ERepositoryObjectType;
import org.talend.core.model.repository.IRepositoryViewObject;
import org.talend.designer.core.ui.editor.ProcessEditorInput;
import org.talend.mdm.repository.ui.actions.OpenObjectAction;
import org.talend.mdm.repository.ui.editors.IRepositoryViewEditorInput;
import org.talend.mdm.repository.utils.RepositoryResourceUtil;


public class MDMRepositoryLinkHelper implements ILinkHelper {

    OpenObjectAction openAction;

    public MDMRepositoryLinkHelper() {
    }

    private void initOpenAction() {
        if (openAction == null) {
            openAction = new OpenObjectAction();
            MDMRepositoryView repositoryView = MDMRepositoryView.show();
            openAction.initCommonViewer(repositoryView.getCommonViewer());
        }
    }
    public IStructuredSelection findSelection(IEditorInput input) {
        if (input instanceof IRepositoryViewEditorInput) {
            IRepositoryViewEditorInput rInput = (IRepositoryViewEditorInput) input;
            return new StructuredSelection(rInput.getViewObject());
        }
        if (input instanceof ProcessEditorInput) {
            IRepositoryViewObject theViewObj = getViewObjForJob(input);
            return new StructuredSelection(theViewObj);
        }
        return StructuredSelection.EMPTY;
    }

    private IRepositoryViewObject getViewObjForJob(IEditorInput input) {
        ProcessEditorInput rInput = (ProcessEditorInput) input;
        String name = rInput.getItem().getProperty().getLabel();
        List<IRepositoryViewObject> vObjs = RepositoryResourceUtil.findAllViewObjects(ERepositoryObjectType.PROCESS);
        IRepositoryViewObject theViewObj = null;
        for (IRepositoryViewObject obj : vObjs) {
            if (obj.getLabel().equals(name)) {
                theViewObj = obj;
            }
        }
        return theViewObj;
    }

    public void activateEditor(IWorkbenchPage aPage, IStructuredSelection selection) {
        initOpenAction();
        openAction.selectionChanged(selection);
    }
}