com.drgarbage.controlflowgraphfactory.dialogs.ExportGraphFileFolderSelectionDialog.java Source code

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Here is the source code for com.drgarbage.controlflowgraphfactory.dialogs.ExportGraphFileFolderSelectionDialog.java

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/**
 * Copyright (c) 2008-2012, Dr. Garbage Community
 *
 * 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 com.drgarbage.controlflowgraphfactory.dialogs;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.internal.ide.dialogs.FileFolderSelectionDialog;

import com.drgarbage.controlflowgraphfactory.ControlFlowFactoryMessages;
import com.drgarbage.graph.DefaultGraphSpecification;
import com.drgarbage.graph.GraphConstants;
import com.drgarbage.graph.IGraphSpecification;

/**
 * Export Dialog for graphs from class and packages.
 * 
 * @author Sergej Alekseev
 * @version $Revision$
 * $Id$
 */
public class ExportGraphFileFolderSelectionDialog extends FileFolderSelectionDialog {

    /* widgets */
    private Button checkButton1, checkButton2, checkButton3;

    private IGraphSpecification graphSpecification;

    public ExportGraphFileFolderSelectionDialog(Shell parent, boolean multiSelect, int type) {
        super(parent, multiSelect, type);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.dialogs.SelectionStatusDialog#createButtonBar(org.eclipse.swt.widgets.Composite)
     */
    protected Control createButtonBar(Composite parent) {

        /* create options */
        Group optGroup = new Group(parent, SWT.NONE);
        GridLayout layout0 = new GridLayout();
        layout0.numColumns = 1;
        optGroup.setLayout(layout0);
        GridData data0 = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_CENTER);

        data0.horizontalIndent = 16;
        optGroup.setLayoutData(data0);

        final Combo exportFormatCombo = new Combo(optGroup, SWT.READ_ONLY);
        exportFormatCombo.setItems(GraphConstants.SUPPORTED_EXPORT_FORMAT_LABELS);
        exportFormatCombo.select(getGraphSpecification().getExportFormat());
        exportFormatCombo.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                int format = exportFormatCombo.getSelectionIndex();
                getGraphSpecification().setExportFormat(format);

                switch (format) {
                case GraphConstants.EXPORT_FORMAT_DRGARBAGE_GRAPH:

                    /* disable properties */
                    checkButton1.setEnabled(false);
                    checkButton2.setEnabled(false);
                    checkButton3.setEnabled(false);

                    break;
                case GraphConstants.EXPORT_FORMAT_DOT:
                case GraphConstants.EXPORT_FORMAT_GRAPHXML:
                case GraphConstants.EXPORT_FORMAT_GRAPHML:

                    /* enable properties */
                    checkButton1.setEnabled(true);
                    checkButton2.setEnabled(true);
                    checkButton3.setEnabled(true);

                    break;
                default:
                    throw new IllegalStateException(
                            "Unexpected export format '" + getGraphSpecification().getExportFormat() + "'");
                }
            }
        });

        checkButton1 = new Button(optGroup, SWT.CHECK);
        checkButton1.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                getGraphSpecification().setExportDecorations(checkButton1.getSelection());
            }
        });
        checkButton1.setText(ControlFlowFactoryMessages.ExportGraphAction_checkBox1Text);

        checkButton2 = new Button(optGroup, SWT.CHECK);
        checkButton2.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                getGraphSpecification().setExportGeometry(checkButton2.getSelection());
            }
        });
        checkButton2.setText(ControlFlowFactoryMessages.ExportGraphAction_checkBox2Text);

        checkButton3 = new Button(optGroup, SWT.CHECK);
        checkButton3.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                getGraphSpecification().setExportComments(checkButton3.getSelection());
            }
        });
        checkButton3.setText(ControlFlowFactoryMessages.ExportGraphAction_checkBox3Text);

        /* disable properties */
        checkButton1.setEnabled(false);
        checkButton2.setEnabled(false);
        checkButton3.setEnabled(false);

        Composite composite = new Composite(parent, SWT.NONE);

        // create a layout with spacing and margins appropriate for the font
        // size.
        GridLayout layout = new GridLayout();
        layout.numColumns = 0; // this is incremented by createButton
        layout.makeColumnsEqualWidth = true;
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        composite.setLayout(layout);
        GridData data = new GridData(GridData.HORIZONTAL_ALIGN_END | GridData.VERTICAL_ALIGN_CENTER);
        composite.setLayoutData(data);
        composite.setFont(parent.getFont());

        // Add the buttons to the button bar.
        return super.createButtonBar(parent);
    }

    public IGraphSpecification getGraphSpecification() {
        if (graphSpecification == null) {
            graphSpecification = new DefaultGraphSpecification();
            graphSpecification.setExportFormat(GraphConstants.EXPORT_FORMAT_DRGARBAGE_GRAPH);
        }
        return graphSpecification;
    }

}