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

Introduction

Here is the source code for com.google.dart.tools.ui.internal.preferences.HintPreferencePage.java

Source

/*
 * Copyright (c) 2013, 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.DartCoreDebug;
import com.google.dart.tools.core.jobs.CleanLibrariesJob;
import com.google.dart.tools.ui.DartToolsPlugin;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * Page for setting Hint Analysis preferences.
 */
public class HintPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

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

    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 Group hintGroup;
    private Button enableHintsButton;

    private Button enableDart2jsHintsButton;
    private Button enableLintsButton;

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

    @Override
    public void init(IWorkbench workbench) {
        // do nothing
    }

    @Override
    public boolean performOk() {
        boolean hasChanges = false;
        IEclipsePreferences prefs = DartCore.getPlugin().getPrefs();
        if (prefs != null) {
            boolean hintsEnabled = DartCore.getPlugin().isHintsEnabled();
            boolean hintsDart2JSEnabled = DartCore.getPlugin().isHintsDart2JSEnabled();
            boolean lintsEnabled = DartCoreDebug.ENABLE_ANALYSIS_SERVER
                    && prefs.getBoolean(DartCore.ENABLE_LINTS_PREFERENCE, false);
            if (DartCoreDebug.ENABLE_ANALYSIS_SERVER) {
                prefs.putBoolean(DartCore.ENABLE_LINTS_PREFERENCE, enableLintsButton.getSelection());
            }
            prefs.putBoolean(DartCore.ENABLE_HINTS_PREFERENCE, enableHintsButton.getSelection());
            prefs.putBoolean(DartCore.ENABLE_HINTS_DART2JS_PREFERENCE, enableDart2jsHintsButton.getSelection());
            if (hintsEnabled != enableHintsButton.getSelection()
                    || hintsDart2JSEnabled != enableDart2jsHintsButton.getSelection()
                    || lintsEnabled != enableLintsButton.getSelection()) {
                // trigger processing for hints
                if (DartCoreDebug.ENABLE_ANALYSIS_SERVER) {
                    DartCore.getAnalysisServerData().updateOptions();
                    // TODO (danrubel) Set Angular enabled option
                } else {
                    DartCore.getProjectManager().setHintOption(enableHintsButton.getSelection());
                    DartCore.getProjectManager().setDart2JSHintOption(enableDart2jsHintsButton.getSelection());
                }
                hasChanges = true;
            }
            try {
                DartCore.getPlugin().savePrefs();
            } catch (CoreException e) {
                DartToolsPlugin.log(e);
            }
            if (hasChanges) {
                Job job = new CleanLibrariesJob();
                job.schedule();
            }
        }
        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);

        // Enable Hints checkbox
        enableHintsButton = createCheckBox(composite, PreferencesMessages.HintPreferencePage_enable_hints,
                PreferencesMessages.HintPreferencePage_enable_hints_tooltip);
        enableHintsButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                // disable all widgets in the Hint Group
                boolean enableHintsButtonSelection = enableHintsButton.getSelection();
                enableDart2jsHintsButton.setEnabled(enableHintsButtonSelection);
                hintGroup.setEnabled(enableHintsButtonSelection);
            }
        });
        GridDataFactory.fillDefaults().applyTo(enableHintsButton);

        if (DartCoreDebug.ENABLE_ANALYSIS_SERVER) {
            // Enable Lints checkbox
            enableLintsButton = createCheckBox(composite, PreferencesMessages.HintPreferencePage_enable_lints,
                    PreferencesMessages.HintPreferencePage_enable_lints_tooltip);
            GridDataFactory.fillDefaults().applyTo(enableLintsButton);
        }

        // Separator
        {
            Label separatorLabel = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
            GridDataFactory.fillDefaults().grab(true, false).applyTo(separatorLabel);
        }

        // Hints group
        hintGroup = new Group(composite, SWT.NONE);
        hintGroup.setText(PreferencesMessages.HintPreferencePage_hints_group);
        GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.BEGINNING).applyTo(hintGroup);
        GridLayoutFactory.fillDefaults().margins(8, 8).applyTo(hintGroup);

        // Enable dart2js hints checkbox
        enableDart2jsHintsButton = createCheckBox(hintGroup,
                PreferencesMessages.HintPreferencePage_enable_dart2js_hints,
                PreferencesMessages.HintPreferencePage_enable_dart2js_hints_tooltip);
        GridDataFactory.fillDefaults().applyTo(enableDart2jsHintsButton);

        // init
        initFromPrefs();

        return composite;
    }

    private void initFromPrefs() {
        IEclipsePreferences prefs = DartCore.getPlugin().getPrefs();
        if (prefs != null) {
            boolean enableHintsButtonSelection = prefs.getBoolean(DartCore.ENABLE_HINTS_PREFERENCE, true);
            enableHintsButton.setSelection(enableHintsButtonSelection);
            enableDart2jsHintsButton.setSelection(prefs.getBoolean(DartCore.ENABLE_HINTS_DART2JS_PREFERENCE, true));
            enableDart2jsHintsButton.setEnabled(enableHintsButtonSelection);
            hintGroup.setEnabled(enableHintsButtonSelection);
            if (DartCoreDebug.ENABLE_ANALYSIS_SERVER) {
                boolean enableLints = prefs.getBoolean(DartCore.ENABLE_LINTS_PREFERENCE, true);
                enableLintsButton.setSelection(enableLints);
            }
        }
    }

}