org.eclipse.scada.ide.hd.hdsspy.editors.HDSEditor.java Source code

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Here is the source code for org.eclipse.scada.ide.hd.hdsspy.editors.HDSEditor.java

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/*******************************************************************************
 * Copyright (c) 2014, 2016 IBH SYSTEMS GmbH Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBH SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package org.eclipse.scada.ide.hd.hdsspy.editors;

import org.eclipse.core.databinding.observable.list.WritableList;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.databinding.swt.DisplayRealm;
import org.eclipse.jface.databinding.viewers.ObservableListContentProvider;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.scada.utils.core.runtime.AdapterHelper;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.part.EditorPart;
import org.eclipse.ui.statushandlers.StatusManager;

public class HDSEditor extends EditorPart {
    private TableViewer viewer;

    private WritableList entries;

    private FileLoader loader;

    private ObservableListContentProvider contentProvider;

    private EntryLabelProvider labelProvider;

    @Override
    public void doSave(final IProgressMonitor monitor) {
    }

    @Override
    public void doSaveAs() {
    }

    @Override
    public void init(final IEditorSite site, final IEditorInput input) throws PartInitException {
        setSite(site);
        setInput(input);

        final IFileEditorInput fileInput = AdapterHelper.adapt(input, IFileEditorInput.class);
        if (fileInput != null) {
            this.loader = new FileLoader(fileInput);
            setContentDescription(fileInput.getName());
            setPartName(fileInput.getName());
        }

        if (this.loader == null) {
            throw new PartInitException("Invalid editor input. Unable to load data");
        }
    }

    @Override
    public boolean isDirty() {
        return false;
    }

    @Override
    public boolean isSaveAsAllowed() {
        return false;
    }

    @Override
    public void dispose() {
        super.dispose();

        this.labelProvider.dispose();
        this.contentProvider.dispose();
        if (this.entries != null) {
            this.entries.dispose();
        }
    }

    @Override
    public void createPartControl(final Composite parent) {
        this.entries = new WritableList(DisplayRealm.getRealm(parent.getDisplay()));

        this.viewer = new TableViewer(parent, SWT.FULL_SELECTION | SWT.MULTI);
        this.viewer.getTable().setHeaderVisible(true);

        this.contentProvider = new ObservableListContentProvider();
        this.viewer.setContentProvider(this.contentProvider);

        {
            final TableViewerColumn col = new TableViewerColumn(this.viewer, SWT.NONE);
            col.getColumn().setText("Timestamp");
        }
        {
            final TableViewerColumn col = new TableViewerColumn(this.viewer, SWT.NONE);
            col.getColumn().setText("Value");
        }
        {
            final TableViewerColumn col = new TableViewerColumn(this.viewer, SWT.NONE);
            col.getColumn().setText("Error");
        }
        {
            final TableViewerColumn col = new TableViewerColumn(this.viewer, SWT.NONE);
            col.getColumn().setText("Manual");
        }
        {
            final TableViewerColumn col = new TableViewerColumn(this.viewer, SWT.NONE);
            col.getColumn().setText("Deleted");
        }
        {
            final TableViewerColumn col = new TableViewerColumn(this.viewer, SWT.NONE);
            col.getColumn().setText("Heartbeat");
        }

        this.viewer.setLabelProvider(this.labelProvider = new EntryLabelProvider());

        this.viewer.setInput(this.entries);

        final TableLayout tableLayout = new TableLayout();
        tableLayout.addColumnData(new ColumnWeightData(200));
        tableLayout.addColumnData(new ColumnWeightData(100));
        tableLayout.addColumnData(new ColumnWeightData(25));
        tableLayout.addColumnData(new ColumnWeightData(25));
        tableLayout.addColumnData(new ColumnWeightData(25));
        tableLayout.addColumnData(new ColumnWeightData(25));
        this.viewer.getTable().setLayout(tableLayout);

        this.entries.setStale(true);
        try {
            this.loader.performLoad(this.entries);
        } catch (final CoreException e) {
            StatusManager.getManager().handle(e.getStatus(), StatusManager.BLOCK);
        } finally {
            this.entries.setStale(false);
        }
    }

    @Override
    public void setFocus() {
        this.viewer.getControl().setFocus();
    }

}