org.cee.webreader.client.error.ErrorDialog.java Source code

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Here is the source code for org.cee.webreader.client.error.ErrorDialog.java

Source

package org.cee.webreader.client.error;

/*
 * #%L
 * News Reader
 * %%
 * Copyright (C) 2013 Andreas Behnke
 * %%
 * 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.
 * #L%
 */

import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.InlineLabel;
import com.google.gwt.user.client.ui.LayoutPanel;

public class ErrorDialog extends DialogBox implements ErrorHandler {

    private final InlineLabel labelErrorMessage;

    public ErrorDialog() {
        setHTML("System Error");

        LayoutPanel layoutPanel = new LayoutPanel();
        setWidget(layoutPanel);
        layoutPanel.setSize("574px", "312px");

        InlineLabel nlnlblASystemError = new InlineLabel("A System Error occured:");
        layoutPanel.add(nlnlblASystemError);
        layoutPanel.setWidgetTopHeight(nlnlblASystemError, 0.0, Unit.PX, 21.0, Unit.PX);
        layoutPanel.setWidgetLeftRight(nlnlblASystemError, 0.0, Unit.PX, 0.0, Unit.PX);

        InlineLabel nlnlblErrorMessage = new InlineLabel("Error Message:");
        layoutPanel.add(nlnlblErrorMessage);
        layoutPanel.setWidgetLeftWidth(nlnlblErrorMessage, 0.0, Unit.PX, 90.0, Unit.PX);
        layoutPanel.setWidgetTopHeight(nlnlblErrorMessage, 21.0, Unit.PX, 16.0, Unit.PX);

        labelErrorMessage = new InlineLabel("");
        layoutPanel.add(labelErrorMessage);
        layoutPanel.setWidgetLeftRight(labelErrorMessage, 0.0, Unit.PX, 0.0, Unit.PX);
        layoutPanel.setWidgetTopBottom(labelErrorMessage, 43.0, Unit.PX, 37.0, Unit.PX);

        Button buttonOk = new Button("OK");
        layoutPanel.add(buttonOk);
        layoutPanel.setWidgetLeftWidth(buttonOk, 484.0, Unit.PX, 78.0, Unit.PX);
        layoutPanel.setWidgetTopHeight(buttonOk, 281.0, Unit.PX, 24.0, Unit.PX);

        buttonOk.addClickHandler(new ClickHandler() {

            @Override
            public void onClick(ClickEvent event) {
                hide();
            }
        });
    }

    @Override
    public void onError(ErrorEvent event) {
        labelErrorMessage.setText(event.getDescription() + "<br>" + event.getCause());
        show();
    }
}