org.fedoraproject.eclipse.packager.git.internal.preferences.FedoraPackagerGitPreferencePage.java Source code

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Here is the source code for org.fedoraproject.eclipse.packager.git.internal.preferences.FedoraPackagerGitPreferencePage.java

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/*******************************************************************************
 * Copyright (c) 2010-2011 Red Hat Inc. 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:
 *     Red Hat Inc. - initial API and implementation
 *******************************************************************************/
package org.fedoraproject.eclipse.packager.git.internal.preferences;

import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.fedoraproject.eclipse.packager.git.Activator;
import org.fedoraproject.eclipse.packager.git.FedoraPackagerGitText;
import org.fedoraproject.eclipse.packager.git.GitPreferencesConstants;

/**
 * Add Git preferences to Fedora packager preferences.
 *
 */
public class FedoraPackagerGitPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    protected static final int GROUP_SPAN = 2;
    private StringFieldEditor gitCloneURLEditor;

    /**
     * default constructor
     */
    public FedoraPackagerGitPreferencePage() {
        super(GRID);
        setPreferenceStore(Activator.getDefault().getPreferenceStore());
        setDescription(FedoraPackagerGitText.FedoraPackagerGitPreferencePage_description);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
     */
    @Override
    public void propertyChange(PropertyChangeEvent event) {
        if (event.getProperty().equals(FieldEditor.VALUE)) {
            checkState();
        }
    }

    @Override
    public void checkState() {
        super.checkState();
        // base URL should end with "/"
        if (!gitCloneURLEditor.getStringValue().endsWith("/")) { //$NON-NLS-1$
            setErrorMessage(FedoraPackagerGitText.FedoraPackagerGitPreferencePage_invalidBaseURLMsg);
            setValid(false);
        } else {
            setErrorMessage(null);
            setValid(true);
        }
    }

    @Override
    public void createFieldEditors() {
        Composite composite = getFieldEditorParent();
        Group gitGroup = new Group(composite, SWT.SHADOW_ETCHED_IN);
        gitGroup.setText(FedoraPackagerGitText.FedoraPackagerGitPreferencePage_gitGroupName);
        GridDataFactory.fillDefaults().grab(true, false).span(GROUP_SPAN, 1).applyTo(gitGroup);
        /* Preference for git clone base url */
        gitCloneURLEditor = new StringFieldEditor(GitPreferencesConstants.PREF_CLONE_BASE_URL,
                FedoraPackagerGitText.FedoraPackagerGitPreferencePage_cloneBaseURLLabel, gitGroup);
        addField(gitCloneURLEditor);
        updateMargins(gitGroup);
    }

    private void updateMargins(Group group) {
        // make sure there is some room between the group border
        // and the controls in the group
        GridLayout layout = (GridLayout) group.getLayout();
        layout.marginWidth = 5;
        layout.marginHeight = 5;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */
    @Override
    public void init(IWorkbench workbench) {
        // empty
    }
}