org.openxdata.sharedlib.client.view.ErrorDialog.java Source code

Introduction

Here is the source code for org.openxdata.sharedlib.client.view.ErrorDialog.java

Source

package org.openxdata.sharedlib.client.view;

import org.openxdata.sharedlib.client.OpenXdataConstants;
import org.openxdata.sharedlib.client.locale.FormsConstants;
import org.openxdata.sharedlib.client.util.FormUtil;

import com.google.gwt.core.client.GWT;
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.DisclosurePanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.VerticalPanel;

/**
 * This modal dialog box is used to display exceptions to the user.
 * 
 *  www.openxdata.org - Licensed as written in license.txt and original sources of this file and its authors are found in sources.txt.
 *
 */
public class ErrorDialog extends DialogBox implements ClickHandler {

    /** This displays the error message of the exception. */
    private TextArea txtErrorMsg = new TextArea();

    /** This displays the call stack at the time of the exception. */
    private TextArea callStack = new TextArea();

    private FormsConstants constants = GWT.create(FormsConstants.class);

    /**
     * Creates a new instance of the error dialog box.
     */
    public ErrorDialog() {

        Button closeButton = new Button(constants.close(), this);
        VerticalPanel panel = new VerticalPanel();
        panel.setSpacing(4);
        panel.add(txtErrorMsg);
        panel.add(closeButton);
        panel.setCellHorizontalAlignment(closeButton, VerticalPanel.ALIGN_CENTER);

        //Setup the disclosure panel to display the call stack.
        DisclosurePanel advanced = new DisclosurePanel(constants.more());
        advanced.setAnimationEnabled(true);
        advanced.setContent(callStack);
        panel.add(advanced);

        setWidget(panel);

        txtErrorMsg.setWidth("500" + OpenXdataConstants.UNITS);
        txtErrorMsg.setHeight("200" + OpenXdataConstants.UNITS);
        callStack.setWidth("500" + OpenXdataConstants.UNITS);
        callStack.setHeight("200" + OpenXdataConstants.UNITS);
    }

    /**
     * Called when one clicks the close button.
     */
    public void onClick(ClickEvent event) {
        hide();

        //TODO Some how when an exception is thrown, the progress dialog may stay on. So needs a fix.
        FormUtil.dlg.hide();
    }

    /**
     * Sets the exception error message.
     * 
     * @param errorMsg the error message.
     */
    public void setErrorMessage(String errorMsg) {
        txtErrorMsg.setText(errorMsg);
    }

    /**
     * Sets the call stack at the time of the exception.
     * 
     * @param stack the call stack
     */
    public void setCallStack(String stack) {
        callStack.setText(stack);
    }
}