org.springframework.ide.eclipse.config.ui.editors.SpringConfigHeaderMessage.java Source code

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Here is the source code for org.springframework.ide.eclipse.config.ui.editors.SpringConfigHeaderMessage.java

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/*******************************************************************************
 *  Copyright (c) 2012 VMware, Inc.
 *  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:
 *      VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.config.ui.editors;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.springframework.ide.eclipse.config.ui.ConfigUiPlugin;
import org.springframework.ide.eclipse.core.SpringCore;
import org.springsource.ide.eclipse.commons.core.StatusHandler;

/**
 * This class is responsible for aggregating the error info from the source page
 * of an {@link AbstractConfigEditor} and passing that info to the form header
 * of the other pages in the editor.
 * @author Leo Dos Santos
 * @since 2.3.1
 */
public class SpringConfigHeaderMessage {

    private final AbstractConfigEditor cEditor;

    private String message;

    private int messageType;

    public SpringConfigHeaderMessage(AbstractConfigEditor cEditor) {
        this.cEditor = cEditor;
    }

    public void setMessage(AbstractConfigFormPage page) {
        ScrolledForm form = page.getScrolledForm();
        if (form != null && !form.isDisposed()) {
            form.setMessage(message, messageType);
        }
    }

    public void updateMessage() {
        if (cEditor != null && cEditor.getResourceFile() != null && cEditor.getResourceFile().exists()) {
            try {
                IResource resource = cEditor.getResourceFile();
                IMarker[] markers = resource.findMarkers(SpringCore.MARKER_ID, true, IResource.DEPTH_ONE);
                message = null;
                messageType = IMessageProvider.NONE;

                if (markers.length > 0) {
                    int errorCount = 0;
                    int warningCount = 0;
                    int infoCount = 0;
                    for (IMarker marker : markers) {
                        Object attr = marker.getAttribute(IMarker.SEVERITY);
                        if (attr instanceof Integer) {
                            Integer severity = (Integer) attr;
                            if (severity == IMarker.SEVERITY_ERROR) {
                                errorCount++;
                            } else if (severity == IMarker.SEVERITY_WARNING) {
                                warningCount++;
                            } else if (severity == IMarker.SEVERITY_INFO) {
                                infoCount++;
                            }
                        }
                    }

                    String errorMessage = ""; //$NON-NLS-1$
                    String warnMessage = ""; //$NON-NLS-1$
                    String infoMessage = ""; //$NON-NLS-1$
                    String errorSingular = Messages.getString("AbstractConfigFormPage.ERROR_SINGULAR"); //$NON-NLS-1$
                    String errorPlural = Messages.getString("AbstractConfigFormPage.ERROR_PLURAL"); //$NON-NLS-1$
                    String warningSingular = Messages.getString("AbstractConfigFormPage.WARNING_SINGULAR"); //$NON-NLS-1$
                    String warningPlural = Messages.getString("AbstractConfigFormPage.WARNING_PLURAL"); //$NON-NLS-1$
                    String infoSingular = Messages.getString("AbstractConfigFormPage.INFO_SINGULAR"); //$NON-NLS-1$
                    String infoPlural = Messages.getString("AbstractConfigFormPage.INFO_PLURAL"); //$NON-NLS-1$

                    if (infoCount > 0) {
                        messageType = IMessageProvider.INFORMATION;
                        if (infoCount > 1) {
                            infoMessage = infoCount + " " + infoPlural; //$NON-NLS-1$
                        } else {
                            infoMessage = infoCount + " " + infoSingular; //$NON-NLS-1$
                        }
                    }
                    if (warningCount > 0) {
                        messageType = IMessageProvider.WARNING;
                        if (warningCount > 1) {
                            warnMessage = warningCount + " " + warningPlural; //$NON-NLS-1$
                        } else {
                            warnMessage = warningCount + " " + warningSingular; //$NON-NLS-1$
                        }
                        if (infoCount > 0) {
                            warnMessage += ", "; //$NON-NLS-1$
                        }
                    }
                    if (errorCount > 0) {
                        messageType = IMessageProvider.ERROR;
                        if (errorCount > 1) {
                            errorMessage = errorCount + " " + errorPlural; //$NON-NLS-1$
                        } else {
                            errorMessage = errorCount + " " + errorSingular; //$NON-NLS-1$
                        }
                        if (warningCount > 0 || infoCount > 0) {
                            errorMessage += ", "; //$NON-NLS-1$
                        }
                    }
                    message = errorMessage + warnMessage + infoMessage;
                }
            } catch (CoreException e) {
                StatusHandler.log(new Status(IStatus.ERROR, ConfigUiPlugin.PLUGIN_ID,
                        Messages.getString("AbstractConfigFormPage.ERROR_UPDATING_PAGE_HEADER"), e)); //$NON-NLS-1$
            }
        }
    }

}