com.google.dart.tools.ui.internal.preferences.DartAnalysisPreferencePage.java Source code

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Here is the source code for com.google.dart.tools.ui.internal.preferences.DartAnalysisPreferencePage.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.internal.preferences;

import com.google.dart.tools.core.DartCore;
import com.google.dart.tools.core.jobs.CleanLibrariesJob;

import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * Page for setting Dart analysis preferences.
 */
public class DartAnalysisPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    public static final String JAVA_BASE_PREF_PAGE_ID = "com.google.dart.tools.ui.preferences.DartAnalysisPreferencePage"; //$NON-NLS-1$

    private static boolean applyCheck(String key, boolean currentValue, boolean def) {
        IEclipsePreferences prefs = DartCore.getPlugin().getPrefs();
        if (prefs != null) {
            boolean root = prefs.getBoolean(key, def);
            if (currentValue != root) {
                prefs.putBoolean(key, currentValue);
                return true;
            }
        }
        return false;
    }

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

    private Button typeChecksForInferredTypes_check;
    private Button reportNoSuchMemberWhenHasInterceptor_check;

    public DartAnalysisPreferencePage() {
        setPreferenceStore(null);
        noDefaultAndApplyButton();
    }

    @Override
    public void init(IWorkbench workbench) {
    }

    @Override
    public boolean performOk() {
        boolean hasChanges = false;
        hasChanges |= applyCheck(DartCore.TYPE_CHECKS_FOR_INFERRED_TYPES,
                typeChecksForInferredTypes_check.getSelection(), true);
        hasChanges |= applyCheck(DartCore.REPORT_NO_MEMBER_WHEN_HAS_INTERCEPTOR,
                reportNoSuchMemberWhenHasInterceptor_check.getSelection(), false);
        if (hasChanges) {
            Job job = new CleanLibrariesJob();
            job.schedule();
        }
        return true;
    }

    @Override
    protected Control createContents(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayoutFactory.fillDefaults().spacing(0, 8).margins(0, 10).applyTo(composite);
        // create UI
        typeChecksForInferredTypes_check = createCheckBox(composite,
                PreferencesMessages.DartAnalysisPreferencePage_typeChecksForInferredTypes, null);
        reportNoSuchMemberWhenHasInterceptor_check = createCheckBox(composite,
                PreferencesMessages.DartAnalysisPreferencePage_reportNoSuchMemberWhenHasInterceptor, null);
        // done
        initFromPrefs();
        return composite;
    }

    private void initFromPrefs() {
        IEclipsePreferences prefs = DartCore.getPlugin().getPrefs();
        typeChecksForInferredTypes_check
                .setSelection(prefs.getBoolean(DartCore.TYPE_CHECKS_FOR_INFERRED_TYPES, true));
        reportNoSuchMemberWhenHasInterceptor_check
                .setSelection(prefs.getBoolean(DartCore.REPORT_NO_MEMBER_WHEN_HAS_INTERCEPTOR, false));
    }

}