Knowledge Base Nr: 00330 DialogBoxSelectItem.java - http://www.swe-kaiser.de

Java: GWT: modale dialogbox für auswahl

  
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.PushButton;
import com.google.gwt.user.client.ui.VerticalPanel;

public class CDialogBoxSelectItem extends DialogBox
{
    ListBox m_lbItem = new ListBox();
    PushButton m_btnOK = new PushButton();
    PushButton m_btnCancel =  new PushButton();

    String m_strBtnOkCaption = "Ok";
    String m_strBtnCancelCaption = "Abbrechen";
    String m_strDialogText = "";

    int getItemIndex()
    {
        int i = m_lbItem.getSelectedIndex();
        return i;
    }

    String getItem()
    {
        int i = m_lbItem.getSelectedIndex();
        if (i<0)
            return "";
        return m_lbItem.getItemText(i);
    }

    CDialogBoxSelectItem(String strDialogText,String strOkBtnCaption,String strCancelBtnCaption, String[] strItem, ClickHandler chButtonClickHandler)
    {
        setText(strDialogText);

        // Enable animation.
        setAnimationEnabled(true);

        // Enable glass background.
        setGlassEnabled(true);

        m_btnOK.setText(strOkBtnCaption);
        m_btnCancel.setText(strCancelBtnCaption);

        m_lbItem.clear();
        for (int n=0; n < strItem.length; n++)
            m_lbItem.addItem(strItem[n]);

        // Click-Handler verdrahten
        m_btnOK.addClickHandler(chButtonClickHandler);
        m_btnCancel.addClickHandler(chButtonClickHandler);

        VerticalPanel vp = new VerticalPanel();
        vp.add(m_lbItem);

        HorizontalPanel hp = new HorizontalPanel();
        hp.setStyleName(".ync-dialog-buttons");
        hp.add(m_btnOK);
        hp.add(m_btnCancel);

        vp.add(hp);
        setWidget(vp);
    }
}