Java JComboBox.getItemCount方法代码示例

import javax.swing.JComboBox; //导入方法依赖的package包/类
/** Adds or removes an item for {@link Filter#RESULT} to the filter chooser. */
private void setFilterResultItem(boolean hasResults) {
    JComboBox<Filter> chooser = getFilterChooser();
    if (hasResults != (chooser.getItemCount() == Filter.values().length)) {
        this.filterListening = false;
        boolean resultSelected = chooser.getSelectedIndex() == Filter.RESULT.ordinal();
        if (hasResults) {
            chooser.addItem(Filter.RESULT);
        } else {
            chooser.removeItemAt(Filter.RESULT.ordinal());
        }
        if (resultSelected) {
            chooser.setSelectedIndex(Filter.NONE.ordinal());
        }
        getJGraph().setFilter(Filter.NONE);
        this.filterListening = true;
    }
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
protected static void initPlatformCombo(JComboBox combo) {
    if (combo == null){
        return;
    }
    if (combo.getItemCount() <= 0) {
        return;
    }
    boolean set = false;
    String idToSelect = ModuleUISettings.getDefault().getLastUsedPlatformID();
    for (int i = 0; i < combo.getItemCount(); i++) {
        if (((NbPlatform) combo.getItemAt(i)).getID().equals(idToSelect)) {
            combo.setSelectedIndex(i);
            set = true;
            break;
        }
    }
    if (!set) {
        NbPlatform defPlaf = NbPlatform.getDefaultPlatform();
        combo.setSelectedItem(defPlaf == null ? combo.getItemAt(0) : defPlaf);
    }
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
/**
 * Searches LayerItemPresenter combobox by the item's display name.
 */
private static String searchLIPCategoryCombo(final JComboBox lpCombo, final String displayName) {
    String path = null;
    for (int i = 0; i < lpCombo.getItemCount(); i++) {
        Object item = lpCombo.getItemAt(i);
        if (!(item instanceof LayerItemPresenter)) {
            continue;
        }
        LayerItemPresenter presenter = (LayerItemPresenter) lpCombo.getItemAt(i);
        if (displayName.equals(presenter.getDisplayName())) {
            path = presenter.getFullPath();
            break;
        }
    }
    return path;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
/**
 * Add the query to the history
 */
private void addQueryHistory(String queryString) {
    JComboBox<String> query = getQueryField();
    query.removeItem(queryString);
    query.insertItemAt(queryString, 0);
    query.setSelectedIndex(0);
    while (query.getItemCount() > MAX_HISTORY) {
        query.removeItemAt(MAX_HISTORY);
    }

    // store the history
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < query.getItemCount(); i++) {
        if (i > 0) {
            sb.append("\n");
        }
        sb.append(query.getItemAt(i));
    }
    PREFS.put("queryHistory", sb.toString());
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
public static <T> int selectInJCombo(JComboBox<T> combo, T obj, int defaultSelectIndex)
{
	int i = selectInJCombo(combo, obj);
	if( i >= 0 )
	{
		return i;
	}
	else
	{
		int count = combo.getItemCount();
		if( defaultSelectIndex < count )
		{
			combo.setSelectedIndex(defaultSelectIndex);
		}
		else if( count > 0 )
		{
			combo.setSelectedIndex(count - 1);
		}
		return combo.getSelectedIndex();
	}
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
/**
 * Returns information about component.
 */
@Override
public Hashtable<String, Object> getDump() {
    Hashtable<String, Object> result = super.getDump();
    JComboBox<?> jComboBox = (JComboBox<?>) getSource();
    Object selectedItem = jComboBox.getSelectedItem();
    if (selectedItem != null) {
        result.put(TEXT_DPROP, selectedItem.toString());
    }
    int itemCount = jComboBox.getItemCount();
    String[] items = new String[itemCount];
    for (int i = 0; i < itemCount; i++) {
        if (jComboBox.getItemAt(i) != null) {
            items[i] = jComboBox.getItemAt(i).toString();
        }
    }
    addToDump(result, ITEM_PREFIX_DPROP, items);
    return result;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
/**
 * Bind Match Type option to a combo box.
 *
 * @param comboBox Combo box to control and display the match type. The
 * model of the combo box can contain only items of type {@link MatchType}.
 * {@link MatchType#LITERAL} and {@link MatchType#REGEXP} are mandatory in
 * the model.
 *
 * @since api.search/1.11
 */
public void bindMatchTypeComboBox(@NonNull final JComboBox comboBox) {
    Parameters.notNull("comboBox", comboBox);                       //NOI18N

    boolean regexpFound = false, literalFound = false;
    for (int i = 0; i < comboBox.getItemCount(); i++) {
        if (comboBox.getItemAt(i) == MatchType.LITERAL) {
            literalFound = true;
        } else if (comboBox.getItemAt(i) == MatchType.REGEXP) {
            regexpFound = true;
        } else if (!(comboBox.getItemAt(i) instanceof MatchType)) {
            throw new IllegalArgumentException("Model of the combo "//NOI18N
                    + "box can contain only MatchType items");      //NOI18N
        }
    }
    if (!(regexpFound && literalFound)) {
        throw new IllegalArgumentException(
                "At least MatchType.LITERAL and MatchType.REGEXP " //NOI18N
                + "must be contained in the combo box model.");     //NOI18N
    }
    if (matchTypeComboBox != null) {
        throw new IllegalStateException(
                "Already bound with option MATCH_TYPE");            //NOI18N
    }
    this.matchTypeComboBox = comboBox;
    comboBox.setEditable(false);
    setMatchType(this.matchType); //update match type, check it is supported
    comboBox.setSelectedItem(matchType);
    comboBox.addItemListener(new ItemListener() {
        @Override
        public void itemStateChanged(ItemEvent e) {
            setMatchType((MatchType) comboBox.getSelectedItem());
        }
    });
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
/**
 * Sets the selected item in connection combo box.
 */
private void setSelectedConnection(){
    DatabaseConnection connection = ProviderUtil.getConnection(persistenceUnit);
    if (connection != null){
        jdbcComboBox.setSelectedItem(connection);
    } else {
        // custom connection (i.e. connection not registered in netbeans)
        Properties props = persistenceUnit.getProperties();
        if (props != null){
            Property[] properties = props.getProperty2();
            String url = null;
            ArrayList<Provider> providers = new ArrayList<Provider>();
            JComboBox activeCB = providerCombo.isVisible() ? providerCombo : libraryComboBox;
            for(int i=0; i<activeCB.getItemCount(); i++){
                Object obj = activeCB.getItemAt(i);
                if(obj instanceof Provider){
                    providers.add((Provider) obj);
                }
            }
            Provider provider = ProviderUtil.getProvider(persistenceUnit, providers.toArray(new Provider[]{}));
            for (int i = 0; i < properties.length; i++) {
                String key = properties[i].getName();
                if (provider.getJdbcUrl().equals(key)) {
                    url = properties[i].getValue();
                    break;
                }
            }
            if (url == null) {
                url = NbBundle.getMessage(PersistenceUnitPanel.class, "LBL_CustomConnection");//NOI18N
            }
            jdbcComboBox.addItem(url);
            jdbcComboBox.setSelectedItem(url);
        }
    }
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
protected List<String> getItems(JComboBoxOperator boxOperator){
    JComboBox box = (JComboBox) boxOperator.getSource();
    int boxSize = box.getItemCount();
    List<String> result = new ArrayList<String>(boxSize);
    for(int i = 0;i < boxSize; i++){
        result.add(box.getModel().getElementAt(i).toString());
    }
    return result;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
static Color getColor (JComboBox<ColorValue> combo) {
    // The last item is Inherited Color or None
    if (combo.getSelectedIndex() < combo.getItemCount() - 1) {
        return ((ColorValue) combo.getSelectedItem()).color;
    } else {
        return null;
    }
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
private JComboBox createOperatorCombo(final PropertyTable propertyTable) {
	List<Operator> allInnerOps = parentOperator.getAllInnerOperators();
	Vector<String> allOpNames = new Vector<String>();
	Iterator<Operator> i = allInnerOps.iterator();
	while (i.hasNext()) {
		allOpNames.add(i.next().getName());
	}
	Collections.sort(allOpNames);
	final JComboBox combo = new JComboBox(allOpNames);
	combo.addItemListener(new ItemListener() {

		@Override
		public void itemStateChanged(ItemEvent e) {
			String operatorName = (String) combo.getSelectedItem();
			panel.remove(parameterCombo);
			parameterCombo = createParameterCombo(operatorName, propertyTable);
			panel.add(parameterCombo);
			fireParameterChangedEvent();
			fireEditingStopped();
		}
	});
	if (combo.getItemCount() == 0) {
		combo.addItem("add inner operators");
	} else {
		combo.setSelectedIndex(0);
	}
	return combo;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
private JComboBox createParameterCombo(String operatorName, PropertyTable propertyTable) {
	JComboBox combo = new JComboBox();

	Operator operator = process.getOperator((String) operatorCombo.getSelectedItem());
	if (operator != null) {
		Iterator<ParameterType> i = operator.getParameters().getParameterTypes().iterator();
		while (i.hasNext()) {
			combo.addItem(i.next().getKey());
		}
	}

	if (combo.getItemCount() == 0) {
		combo.addItem("no parameters");
	}

	combo.addItemListener(new ItemListener() {

		@Override
		public void itemStateChanged(ItemEvent e) {
			fireParameterChangedEvent();
			fireEditingStopped();
		}
	});

	combo.setSelectedIndex(0);

	return combo;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
private static <T> int findIndexInCombo(JComboBox<T> combo, T obj)
{
	final int count = combo.getItemCount();
	for( int i = 0; i < count; i++ )
	{
		Object comboObject = combo.getItemAt(i);
		if( Objects.equals(comboObject, obj) )
		{
			return i;
		}
	}
	return -1;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
/**
 * Verify the contents of the JComboBox.
 *
 * @return True if all is well.
 */
private boolean verifyWholeBox(JComboBox<Integer> box) {
    final int n = box.getItemCount();
    for (int i = 0; i < n; i++) {
        Integer v = box.getItemAt(i);
        if (v < 0 || v > available) return false;
    }
    return true;
}
 

import javax.swing.JComboBox; //导入方法依赖的package包/类
public void LimpiarCombo(JComboBox combo) // COMPLETO 
{
    int filas = combo.getItemCount(); // cuenta numero de filas q tiene la tabla 
    for(int i=0; i<filas; i++)
    {
        combo.removeItemAt(0);// valor fijo de 0
    }
}