in.cypal.studio.gwt.ui.preferences.MainPreferencePage.java Source code

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Here is the source code for in.cypal.studio.gwt.ui.preferences.MainPreferencePage.java

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/*
 * Copyright 2006 - 2008 Cypal Solutions (tools@cypal.in)
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * 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 in.cypal.studio.gwt.ui.preferences;

import in.cypal.studio.gwt.core.common.Constants;
import in.cypal.studio.gwt.ui.Activator;
import in.cypal.studio.gwt.ui.common.Util;

import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.DirectoryFieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Group;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * @author Prakash G.R.
 * 
 */
public class MainPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

    static final IPropertyChangeListener changeListener = new IPropertyChangeListener() {

        public void propertyChange(PropertyChangeEvent event) {
            if (event.getProperty().equals(Constants.GWT_HOME_PREFERENCE)) {
                IPath newGwtHome = new Path((String) event.getNewValue());
                try {
                    JavaCore.setClasspathVariable(Constants.GWT_HOME_CPE, newGwtHome, new NullProgressMonitor());
                    ResourcesPlugin.getWorkspace().getPathVariableManager().setValue(Constants.GWT_HOME_PATH,
                            newGwtHome);
                } catch (Exception e) {
                    Activator.logException(e);
                }
            }

            if (event.getProperty().equals(Constants.GWT_OUTPUT_PREFERENCE)) {
                MessageDialog.openInformation(null, "Cypal Studio for GWT",
                        "Compiler output location is saved and will be reflected during next GWT Compilation");
            }

        }
    };

    public MainPreferencePage() {
        super(GRID);
        setDescription("Options for Cypal Studio for GWT");
        setPreferenceStore(Util.getPreferenceStore());

    }

    protected void createFieldEditors() {
        addField(new DirectoryFieldEditor(Constants.GWT_HOME_PREFERENCE, "GWT &Home:", getFieldEditorParent()));
        addField(new BooleanFieldEditor(Constants.UPDATE_ASYNC_PREFERENCE, "Manually manage Async files",
                getFieldEditorParent()));
        addField(new BooleanFieldEditor(Constants.DELETE_SERVICE_PREFERENCE,
                "Delete associated files & entries when deleting a RemoteService", getFieldEditorParent()));
        addField(new StringFieldEditor(Constants.DEFAULT_VM_OPTION_PREFERENCE, "Default &VM Options:",
                getFieldEditorParent()));

        Group group = new Group(getFieldEditorParent(), SWT.NONE);
        group.setText("GWT Compiler Options:");
        group.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false, 3, 1));
        addField(new StringFieldEditor(Constants.GWT_OUTPUT_PREFERENCE, "&Output Folder:", group));
        addField(
                new BooleanFieldEditor(Constants.COMPILE_AT_FULLBUILD_PREFERENCE, "Invoke on Clean &Build", group));
        addField(new BooleanFieldEditor(Constants.COMPILE_AT_PUBLISH_PREFERENCE,
                "Invoke when publishing to an &external server", group));

    }

    public void init(IWorkbench workbench) {
        getPreferenceStore().addPropertyChangeListener(changeListener);
    }

    public void dispose() {
        super.dispose();
        getPreferenceStore().removePropertyChangeListener(changeListener);

    }

}