org.pentaho.mantle.client.commands.SwitchThemeCommand.java Source code

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Here is the source code for org.pentaho.mantle.client.commands.SwitchThemeCommand.java

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/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.mantle.client.commands;

import org.pentaho.gwt.widgets.client.dialogs.IDialogCallback;
import org.pentaho.gwt.widgets.client.dialogs.PromptDialogBox;
import org.pentaho.mantle.client.messages.Messages;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.HTML;

/**
 * User: nbaker Date: 5/13/11
 */
public class SwitchThemeCommand extends AbstractCommand {

    private String theme;

    public SwitchThemeCommand() {
    }

    public SwitchThemeCommand(String theme) {
        this.theme = theme;
    }

    protected void performOperation() {
        performOperation(true);
    }

    protected void performOperation(boolean feedback) {

        final HTML messageTextBox = new HTML(Messages.getString("confirmSwitchTheme.message"));
        final PromptDialogBox fileMoveToTrashWarningDialogBox = new PromptDialogBox(
                Messages.getString("confirmSwitchTheme.title"), Messages.getString("confirmSwitchTheme.ok"),
                Messages.getString("confirmSwitchTheme.cancel"), true, true);
        fileMoveToTrashWarningDialogBox.setContent(messageTextBox);

        final IDialogCallback callback = new IDialogCallback() {

            public void cancelPressed() {
            }

            public void okPressed() {
                final String url = GWT.getHostPageBaseURL() + "api/theme/set"; //$NON-NLS-1$
                RequestBuilder setThemeRequestBuilder = new RequestBuilder(RequestBuilder.POST, url);
                setThemeRequestBuilder.setHeader("accept", "text/plain");
                setThemeRequestBuilder.setHeader("If-Modified-Since", "01 Jan 1970 00:00:00 GMT");
                try {
                    setThemeRequestBuilder.sendRequest(theme, new RequestCallback() {

                        public void onError(Request request, Throwable exception) {
                            // showError(exception);
                        }

                        public void onResponseReceived(Request request, Response response) {
                            // forcing a setTimeout to fix a problem in IE BISERVER-6385
                            Scheduler.get().scheduleDeferred(new Command() {
                                public void execute() {
                                    Window.Location.reload();
                                }
                            });
                        }
                    });
                } catch (RequestException e) {
                    Window.alert(e.getMessage());
                    // showError(e);
                }
            }
        };
        fileMoveToTrashWarningDialogBox.setCallback(callback);
        fileMoveToTrashWarningDialogBox.center();
    }

    public String getTheme() {
        return theme;
    }

    public void setTheme(String theme) {
        this.theme = theme;
    }
}