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

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

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/*
 * Copyright (c) 2011, 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.ui.DartToolsPlugin;
import com.google.dart.tools.ui.PreferenceConstants;
import com.google.dart.tools.ui.internal.dialogs.StatusInfo;
import com.google.dart.tools.ui.internal.dialogs.StatusUtil;
import com.google.dart.tools.ui.internal.dialogs.fields.DialogField;
import com.google.dart.tools.ui.internal.dialogs.fields.IDialogFieldListener;
import com.google.dart.tools.ui.internal.dialogs.fields.SelectionButtonDialogField;
import com.google.dart.tools.ui.internal.text.DartHelpContextIds;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;

/**
 * @deprecated this page has been removed from the plugin.xml declaration
 */
@Deprecated
public class AppearancePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {

    public static final String PREF_COLORED_LABELS = "colored_labels_in_views"; //$NON-NLS-1$

    private static final String PREF_METHOD_RETURNTYPE = PreferenceConstants.APPEARANCE_METHOD_RETURNTYPE;
    private static final String PREF_CATEGORY = PreferenceConstants.APPEARANCE_CATEGORY;

    private SelectionButtonDialogField fShowMethodReturnType;
    private SelectionButtonDialogField fShowCategory;
    private SelectionButtonDialogField fShowColoredLabels;

    public AppearancePreferencePage() {
        setPreferenceStore(DartToolsPlugin.getDefault().getPreferenceStore());
        setDescription(PreferencesMessages.AppearancePreferencePage_description);

        IDialogFieldListener listener = new IDialogFieldListener() {
            @Override
            public void dialogFieldChanged(DialogField field) {
                doDialogFieldChanged(field);
            }
        };

        fShowMethodReturnType = new SelectionButtonDialogField(SWT.CHECK);
        fShowMethodReturnType.setDialogFieldListener(listener);
        fShowMethodReturnType
                .setLabelText(PreferencesMessages.AppearancePreferencePage_inferredmethodreturntype_label);

        fShowCategory = new SelectionButtonDialogField(SWT.CHECK);
        fShowCategory.setDialogFieldListener(listener);
        fShowCategory.setLabelText(PreferencesMessages.AppearancePreferencePage_showCategory_label);

        fShowColoredLabels = new SelectionButtonDialogField(SWT.CHECK);
        fShowColoredLabels.setDialogFieldListener(listener);
        fShowColoredLabels.setLabelText(PreferencesMessages.AppearancePreferencePage_coloredlabels_label);
    }

    /*
     * @see PreferencePage#createControl(Composite)
     */
    @Override
    public void createControl(Composite parent) {
        super.createControl(parent);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
                DartHelpContextIds.APPEARANCE_PREFERENCE_PAGE);
    }

    /*
     * @see IWorkbenchPreferencePage#init(IWorkbench)
     */
    @Override
    public void init(IWorkbench workbench) {
    }

    /*
     * @see IPreferencePage#performOk()
     */
    @Override
    public boolean performOk() {
        IPreferenceStore prefs = getPreferenceStore();

        prefs.setValue(PREF_METHOD_RETURNTYPE, fShowMethodReturnType.isSelected());
        prefs.setValue(PREF_CATEGORY, fShowCategory.isSelected());
        prefs.setValue(PREF_COLORED_LABELS, fShowColoredLabels.isSelected());

        DartToolsPlugin.getDefault().savePluginPreferences();

        return super.performOk();
    }

    /*
     * @see PreferencePage#createContents(Composite)
     */
    @Override
    protected Control createContents(Composite parent) {
        initializeDialogUnits(parent);
        int nColumns = 1;

        Composite result = new Composite(parent, SWT.NONE);
        result.setFont(parent.getFont());

        GridLayout layout = new GridLayout();
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = 0;
        layout.numColumns = nColumns;
        result.setLayout(layout);

        fShowMethodReturnType.doFillIntoGrid(result, nColumns);
        fShowCategory.doFillIntoGrid(result, nColumns);
        fShowColoredLabels.doFillIntoGrid(result, nColumns);

        initFields();

        Dialog.applyDialogFont(result);
        return result;
    }

    /*
     * @see PreferencePage#performDefaults()
     */
    @Override
    protected void performDefaults() {
        IPreferenceStore prefs = getPreferenceStore();

        fShowMethodReturnType.setSelection(prefs.getDefaultBoolean(PREF_METHOD_RETURNTYPE));
        fShowCategory.setSelection(prefs.getDefaultBoolean(PREF_CATEGORY));
        fShowColoredLabels.setSelection(false);

        super.performDefaults();
    }

    private void doDialogFieldChanged(DialogField field) {
        updateStatus(getValidationStatus());
    }

    private IStatus getValidationStatus() {
        return new StatusInfo();
    }

    private void initFields() {
        IPreferenceStore prefs = getPreferenceStore();

        fShowMethodReturnType.setSelection(prefs.getBoolean(PREF_METHOD_RETURNTYPE));
        fShowCategory.setSelection(prefs.getBoolean(PREF_CATEGORY));
        fShowColoredLabels.setSelection(prefs.getBoolean(PREF_COLORED_LABELS));
    }

    private void updateStatus(IStatus status) {
        setValid(!status.matches(IStatus.ERROR));
        StatusUtil.applyToStatusLine(this, status);
    }
}