org.eclipse.ltk.internal.ui.refactoring.RefactoringStatusDialog.java Source code

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Here is the source code for org.eclipse.ltk.internal.ui.refactoring.RefactoringStatusDialog.java

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/*******************************************************************************
 * Copyright (c) 2000, 2012 IBM 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ltk.internal.ui.refactoring;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ViewForm;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.DialogSettings;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;

import org.eclipse.ltk.core.refactoring.RefactoringStatus;

public class RefactoringStatusDialog extends Dialog {

    private RefactoringStatus fStatus;
    private String fWindowTitle;
    private boolean fBackButton;
    private boolean fLightWeight;

    public RefactoringStatusDialog(RefactoringStatus status, Shell parent, String windowTitle, boolean backButton) {
        super(parent);
        fStatus = status;
        fWindowTitle = windowTitle;
        fBackButton = backButton;
    }

    /*
     * @see org.eclipse.jface.dialogs.Dialog#isResizable()
     * @since 3.4
     */
    protected boolean isResizable() {
        return true;
    }

    public RefactoringStatusDialog(RefactoringStatus status, Shell parent, String windowTitle, boolean backButton,
            boolean light) {
        this(status, parent, windowTitle, backButton);
        fLightWeight = light;
    }

    public RefactoringStatusDialog(Shell parent, ErrorWizardPage page, boolean backButton) {
        this(page.getStatus(), parent, parent.getText(), backButton);
    }

    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText(fWindowTitle);
    }

    protected int getDialogBoundsStrategy() {
        return DIALOG_PERSISTSIZE;
    }

    protected IDialogSettings getDialogBoundsSettings() {
        IDialogSettings settings = RefactoringUIPlugin.getDefault().getDialogSettings();
        return DialogSettings.getOrCreateSection(settings, "RefactoringStatusDialog"); //$NON-NLS-1$
    }

    protected Control createDialogArea(Composite parent) {
        Composite result = (Composite) super.createDialogArea(parent);
        GridData gd = (GridData) result.getLayoutData();
        gd.widthHint = 800;
        gd.heightHint = 400;

        if (!fLightWeight) {
            Color foreground = parent.getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND);
            Color background = parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND);
            ViewForm messagePane = new ViewForm(result, SWT.BORDER | SWT.FLAT);
            messagePane.marginWidth = 3;
            messagePane.marginHeight = 3;
            gd = new GridData(GridData.FILL_HORIZONTAL);
            // XXX http://bugs.eclipse.org/bugs/show_bug.cgi?id=27572
            Rectangle rect = messagePane.computeTrim(0, 0, 0,
                    convertHeightInCharsToPixels(2) + messagePane.marginHeight * 2);
            gd.heightHint = rect.height;
            messagePane.setLayoutData(gd);
            messagePane.setForeground(foreground);
            messagePane.setBackground(background);
            Label label = new Label(messagePane, SWT.LEFT | SWT.WRAP);
            if (fStatus.hasFatalError())
                label.setText(RefactoringUIMessages.RefactoringStatusDialog_Cannot_proceed);
            else
                label.setText(RefactoringUIMessages.RefactoringStatusDialog_Please_look);
            label.setForeground(foreground);
            label.setBackground(background);
            messagePane.setContent(label);
        }
        RefactoringStatusViewer viewer = new RefactoringStatusViewer(result, SWT.NONE);
        viewer.setLayoutData(new GridData(GridData.FILL_BOTH));
        viewer.setStatus(fStatus);
        applyDialogFont(result);
        return result;
    }

    protected void buttonPressed(int buttonId) {
        if (buttonId == IDialogConstants.BACK_ID) {
            setReturnCode(IDialogConstants.BACK_ID);
            close();
        } else {
            super.buttonPressed(buttonId);
        }
    }

    protected void createButtonsForButtonBar(Composite parent) {
        if (!fStatus.hasFatalError()) {
            if (fBackButton)
                createButton(parent, IDialogConstants.BACK_ID, IDialogConstants.BACK_LABEL, false);
            createButton(parent, IDialogConstants.OK_ID, fLightWeight ? IDialogConstants.OK_LABEL
                    : RefactoringUIMessages.RefactoringStatusDialog_Continue, true);
            createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
        } else {
            if (fBackButton)
                createButton(parent, IDialogConstants.BACK_ID, IDialogConstants.BACK_LABEL, true);
            createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL,
                    fBackButton ? false : true);
        }
    }
}