net.zehrer.no2.ui.dialogs.AbstractEMFDialog.java Source code

Introduction

Here is the source code for net.zehrer.no2.ui.dialogs.AbstractEMFDialog.java

Source

/*******************************************************************************
 * Copyright (c) 2010 Stephan Zehrer 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:
 *     Stephan Zehrer - initial API and implementation
 *******************************************************************************/

package net.zehrer.no2.ui.dialogs;

import net.zehrer.no2.ui.provider.NoColumnLabelProvider;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;

public abstract class AbstractEMFDialog extends TitleAreaDialog {

    protected static final Color GRAY = getDisplay().getSystemColor(SWT.COLOR_GRAY);

    protected IWorkbenchPage page;
    // protected String title;

    protected TableViewer viewer;

    public AbstractEMFDialog(IWorkbenchPage page) {
        super(new Shell(page.getWorkbenchWindow().getShell()));
        this.page = page;
        setShellStyle(getShellStyle() | SWT.APPLICATION_MODAL | SWT.MAX | SWT.TITLE | SWT.RESIZE);
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);

        this.viewer = new TableViewer(composite, SWT.NONE);

        // setup table
        Table table = viewer.getTable();
        table.setHeaderVisible(true);
        table.setLinesVisible(false);
        table.setLayoutData(createGridData());

        return composite;
    }

    protected TableViewerColumn addNoColumn(String columnName, TableViewer viewer) {
        TableViewerColumn column = addColumn(viewer, columnName, 20);
        column.setLabelProvider(new NoColumnLabelProvider(viewer.getTable()));
        return column;
    }

    protected TableViewerColumn addColumn(TableViewer viewer, String title, int width) {

        TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
        column.getColumn().setText(title);
        column.getColumn().setWidth(width);
        return column;
    }

    protected void refreshViewer() {
        page.getWorkbenchWindow().getShell().getDisplay().asyncExec(new Runnable() {
            public void run() {
                try {
                    viewer.refresh();
                } catch (RuntimeException ignore) {
                }
            }
        });
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.CLOSE_ID, IDialogConstants.CLOSE_LABEL, false);
    }

    @Override
    protected void buttonPressed(int buttonId) {
        switch (buttonId) {

        case IDialogConstants.CLOSE_ID:
            close();
            break;
        }
    }

    // @Override
    // protected void configureShell(Shell newShell) {
    // super.configureShell(newShell);
    // newShell.setText(title);
    // }

    /**
     * Original source for org.eclipse.net4j.util.ui.UIUtil
     */
    public static Display getDisplay() {
        Display display = Display.getCurrent();
        if (display == null) {
            try {
                display = PlatformUI.getWorkbench().getDisplay();
            } catch (RuntimeException ignore) {
            }
        }

        if (display == null) {
            display = Display.getDefault();
        }

        if (display == null) {
            display = new Display();
        }

        return display;
    }

    /**
     * Original source for org.eclipse.net4j.util.ui.UIUtil
     */
    public static GridData createGridData() {
        return new GridData(SWT.FILL, SWT.FILL, true, true);
    }
}