com.google.dart.tools.ui.update.UpdatePreferencePage.java Source code

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Here is the source code for com.google.dart.tools.ui.update.UpdatePreferencePage.java

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/*
 * Copyright (c) 2012, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 * 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.google.dart.tools.ui.update;

import com.google.dart.tools.ui.dialogs.UpdateStatusControl;
import com.google.dart.tools.ui.internal.preferences.PreferencesMessages;
import com.google.dart.tools.update.core.UpdateCore;

import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * The preference page for update.
 */
public class UpdatePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    public static final String PAGE_ID = "com.google.dart.tools.ui.update.updatePreferencePage"; //$NON-NLS-1$

    private Button autoDownloadCheck;
    private Group statusGroup;

    @Override
    public void init(IWorkbench workbench) {
        noDefaultAndApplyButton();
    }

    @Override
    public boolean performOk() {

        UpdateCore.enableAutoDownload(autoDownloadCheck.getSelection());

        return true;
    }

    @Override
    protected Control createContents(Composite parent) {

        Composite composite = new Composite(parent, SWT.NONE);
        GridDataFactory.fillDefaults().grab(true, false).indent(0, 10).align(SWT.FILL, SWT.BEGINNING)
                .applyTo(composite);
        GridLayoutFactory.fillDefaults().spacing(0, 8).margins(0, 10).applyTo(composite);

        createUpdateGroup(composite);

        initFromPrefs();

        return composite;
    }

    private Button createCheckBox(Composite composite, String label, String tooltip) {
        Button checkBox = new Button(composite, SWT.CHECK);
        checkBox.setText(label);
        checkBox.setToolTipText(tooltip);
        return checkBox;
    }

    private void createUpdateGroup(Composite composite) {

        Group settingsGroup = new Group(composite, SWT.NONE);
        settingsGroup.setText("Settings"); //$NON-NLS-1$
        GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.BEGINNING).applyTo(settingsGroup);
        GridLayoutFactory.fillDefaults().numColumns(1).margins(8, 8).applyTo(settingsGroup);

        autoDownloadCheck = createCheckBox(settingsGroup,
                PreferencesMessages.DartBasePreferencePage_auto_download_label,
                PreferencesMessages.DartBasePreferencePage_auto_download_tooltip);
        GridDataFactory.fillDefaults().applyTo(autoDownloadCheck);

        statusGroup = new Group(composite, SWT.NONE);
        statusGroup.setText("Update"); //$NON-NLS-1$
        GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.BEGINNING).applyTo(statusGroup);
        GridLayoutFactory.fillDefaults().numColumns(1).margins(8, 8).applyTo(statusGroup);

        CLabel currentVersionLabel = new CLabel(statusGroup, SWT.NONE);
        currentVersionLabel.setText(NLS.bind("Dart Editor build {0}", UpdateCore.getCurrentRevision()));
        GridDataFactory.fillDefaults().applyTo(currentVersionLabel);

        new UpdateStatusControl(statusGroup, null, new Point(0, 0), false);
    }

    private void initFromPrefs() {
        autoDownloadCheck.setSelection(UpdateCore.isAutoDownloadEnabled());
    }

}