com.sympedia.genfw.presentation.MultiLineDialog.java Source code

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Here is the source code for com.sympedia.genfw.presentation.MultiLineDialog.java

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/***************************************************************************
 * Copyright (c) 2006 Eike Stepper, Fuggerstr. 39, 10777 Berlin, Germany.
 * 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:
 *    Eike Stepper - initial API and implementation
 **************************************************************************/
package com.sympedia.genfw.presentation;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class MultiLineDialog extends TitleAreaDialog {
    protected ILabelProvider labelProvider;

    protected EObject object;

    protected EStructuralFeature feature;

    protected String displayName;

    private String result;

    private Control textArea;

    public MultiLineDialog(Shell parentShell, ILabelProvider labelProvider, EObject object,
            EStructuralFeature feature, String value, String displayName) {
        super(parentShell);
        setShellStyle(getShellStyle() | SWT.RESIZE);
        this.labelProvider = labelProvider;
        this.object = object;
        this.feature = feature;
        this.displayName = displayName;
        result = value;
    }

    public String getResult() {
        return result;
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText(displayName);
        shell.setImage(labelProvider.getImage(feature));
        shell.setSize(600, 500);
    }

    protected Control createDialogArea(Composite parent) {
        Composite mainArea = (Composite) super.createDialogArea(parent);

        Composite control = new Composite(mainArea, SWT.NONE);
        control.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        GridLayout layout = new GridLayout();
        layout.marginLeft = IDialogConstants.BUTTON_MARGIN;
        layout.marginTop = IDialogConstants.BUTTON_MARGIN;
        layout.marginRight = IDialogConstants.BUTTON_MARGIN;
        layout.marginBottom = IDialogConstants.BUTTON_MARGIN;
        control.setLayout(layout);

        initializeDialogUnits(control);

        textArea = createTextControl(control);
        textArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        setTitle(displayName);
        setMessage("Edit the " + displayName + " property of the " + object.eClass().getName() + ".");

        Dialog.applyDialogFont(mainArea);
        return mainArea;
    }

    protected Control createTextControl(Composite control) {
        Text text = new Text(control, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL | SWT.BORDER);
        if (result != null)
            text.setText(result);
        return text;
    }

    @Override
    protected void okPressed() {
        result = getTextValue();
        super.okPressed();
    }

    protected String getTextValue() {
        return ((Text) textArea).getText();
    }
}