org.eclipse.jface.text.IWidgetTokenOwner#releaseWidgetToken ( )源码实例Demo

protected void releaseWidgetToken() {
	ISourceViewer viewer = editor.getInternalSourceViewer();
	if (viewer instanceof IWidgetTokenOwner) {
		IWidgetTokenOwner widgetTokenOwner = (IWidgetTokenOwner) viewer;
		widgetTokenOwner.releaseWidgetToken(this);
	}
}
 

private void releaseWidgetToken() {
	ISourceViewer viewer= fEditor.getViewer();
	if (viewer instanceof IWidgetTokenOwner) {
		IWidgetTokenOwner widgetTokenOwner= (IWidgetTokenOwner) viewer;
		widgetTokenOwner.releaseWidgetToken(this);
	}
}
 

private void releaseWidgetToken() {
	ISourceViewer viewer= fEditor.getViewer();
	if (viewer instanceof IWidgetTokenOwner) {
		IWidgetTokenOwner widgetTokenOwner= (IWidgetTokenOwner) viewer;
		widgetTokenOwner.releaseWidgetToken(this);
	}
}
 

@Override
protected void handleInformationControlDisposed() {
    try {
        super.handleInformationControlDisposed();
    } finally {
        if (fControl instanceof IWidgetTokenOwner) {
            IWidgetTokenOwner owner = (IWidgetTokenOwner) fControl;
            owner.releaseWidgetToken(this);
        }
    }
}
 

@Override
public void hideInformationControl(boolean activateEditor, boolean restoreFocus) {
    //When hiding it may call hide again (because as it gets hidden our handlers are still connected).
    if (this.onHide) {
        return;
    }
    this.onHide = true;
    try {
        try {
            super.hideInformationControl();
        } finally {
            if (fControl instanceof IWidgetTokenOwner) {
                IWidgetTokenOwner owner = (IWidgetTokenOwner) fControl;
                owner.releaseWidgetToken(this);
            }
        }
        this.disposeInformationControl();

        //Restore previous active shell?
        if (this.fInitiallyActiveShell != null && !this.fInitiallyActiveShell.isDisposed()) {
            if (restoreFocus) {
                this.fInitiallyActiveShell.setActive();
            }
            this.fInitiallyActiveShell = null;
        }

        if (this.fFocusControl != null && !this.fFocusControl.isDisposed()) {
            if (restoreFocus) {
                this.fFocusControl.setFocus();
            }
            this.fFocusControl = null;
        }

        if (activateEditor) {
            KeyBindingHelper.executeCommand("org.eclipse.ui.window.activateEditor");
        }
    } finally {
        this.onHide = false;
    }

}