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

Introduction

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

Prototype

public boolean performCancel();

Source Link

Document

Notifies that the container of this preference page has been canceled.

Usage

From source file:au.gov.ga.earthsci.common.ui.preferences.LazyPreferenceDialog.java

License:Apache License

@Override
protected void cancelPressed() {
    // Inform all pages that we are cancelling
    Iterator<?> nodes = getPreferenceManager().getElements(PreferenceManager.PRE_ORDER).iterator();
    final boolean[] cancelOK = new boolean[] { true };
    while (nodes.hasNext()) {
        final IPreferenceNode node = (IPreferenceNode) nodes.next();
        final IPreferencePage page = getPage(node);
        if (page != null && pagesWithCreatedControls.contains(page)) {
            SafeRunnable.run(new SafeRunnable() {
                @Override/*from w ww .  j  av a2s .co m*/
                public void run() {
                    if (!page.performCancel()) {
                        cancelOK[0] = false;
                    }
                }
            });
            if (!cancelOK[0]) {
                return;
            }
        }
    }

    // Give subclasses the choice to save the state of the preference pages if needed
    handleSave();

    setReturnCode(CANCEL);
    close();
}

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