Example usage for org.eclipse.jface.preference IPreferencePage getErrorMessage

Introduction

In this page you can find the example usage for org.eclipse.jface.preference IPreferencePage getErrorMessage.

Prototype

String getErrorMessage();

Source Link

Document

Returns the current error message for this dialog page.

Usage

From source file:org.mailster.gui.prefs.ConfigurationDialog.java

License:Open Source License

/**
 * Updates the message.//from  w  w w . j  ava2 s . com
 * 
 * @see org.eclipse.jface.preference.IPreferencePageContainer#updateMessage()
 */
public void updateMessage() {
    String message = null;
    String errorMessage = null;
    boolean showingError = false;
    IPreferencePage currentPage = this.getCurrentPage();

    if (currentPage != null) {
        message = currentPage.getMessage();
        errorMessage = currentPage.getErrorMessage();
    }
    int messageType = IMessageProvider.NONE;
    if (message != null && currentPage instanceof IMessageProvider) {
        messageType = ((IMessageProvider) currentPage).getMessageType();
    }

    if (errorMessage == null) {
        if (showingError) {
            // we were previously showing an error
            showingError = false;
        }
    } else {
        message = errorMessage;
        messageType = IMessageProvider.ERROR;
        if (!showingError) {
            // we were not previously showing an error
            showingError = true;
        }
    }
    this.messageArea.updateText(message, messageType);
}

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