本文整理了Java中com.google.gwt.user.client.ui.ListBox.getSelectElement()方法的一些代码示例，展示了ListBox.getSelectElement()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ListBox.getSelectElement()方法的具体详情如下：
包路径：com.google.gwt.user.client.ui.ListBox
类名称：ListBox
方法名：getSelectElement

ListBox.getSelectElement介绍

暂无

代码示例

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Gets whether this list allows multiple selection.
 * 
 * @return <code>true</code> if multiple selection is allowed
 */
public boolean isMultipleSelect() {
 return getSelectElement().isMultiple();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

public void setName(String name) {
 getSelectElement().setName(name);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Gets the currently-selected item. If multiple items are selected, this
 * method will return the first selected item ({@link #isItemSelected(int)}
 * can be used to query individual items).
 * 
 * @return the selected index, or <code>-1</code> if none is selected
 */
public int getSelectedIndex() {
 return getSelectElement().getSelectedIndex();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Gets the number of items that are visible. If only one item is visible,
 * then the box will be displayed as a drop-down list.
 * 
 * @return the visible item count
 */
public int getVisibleItemCount() {
 return getSelectElement().getSize();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Sets the number of items that are visible. If only one item is visible,
 * then the box will be displayed as a drop-down list.
 * 
 * @param visibleItems the visible item count
 */
public void setVisibleItemCount(int visibleItems) {
 getSelectElement().setSize(visibleItems);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Removes all items from the list box.
 */
public void clear() {
 getSelectElement().clear();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Sets whether this list allows multiple selections. <em>NOTE:
 * Using this method can spuriously fail on Internet Explorer 6.0.</em>
 *
 * @param multiple <code>true</code> to allow multiple selections
 */
public void setMultipleSelect(boolean multiple) {
 getSelectElement().setMultiple(multiple);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

public String getName() {
 return getSelectElement().getName();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Sets the currently selected index.
 * 
 * After calling this method, only the specified item in the list will remain
 * selected. For a ListBox with multiple selection enabled, see
 * {@link #setItemSelected(int, boolean)} to select multiple items at a time.
 * 
 * <p>
 * Note that setting the selected index programmatically does <em>not</em>
 * cause the {@link ChangeHandler#onChange(ChangeEvent)} event to be fired.
 * </p>
 *
 * @param index the index of the item to be selected
 */
public void setSelectedIndex(int index) {
 getSelectElement().setSelectedIndex(index);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Gets the number of items present in the list box.
 * 
 * @return the number of items
 */
public int getItemCount() {
 return getSelectElement().getOptions().getLength();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Removes the item at the specified index.
 *
 * @param index the index of the item to be removed
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public void removeItem(int index) {
 checkIndex(index);
 getSelectElement().remove(index);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Sets the text associated with the item at a given index.
 * 
 * @param index the index of the item to be set
 * @param text the item's new text
 * @param dir the item's direction.
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public void setItemText(int index, String text, Direction dir) {
 checkIndex(index);
 if (text == null) {
  throw new NullPointerException("Cannot set an option to have null text");
 }
 setOptionText(getSelectElement().getOptions().getItem(index), text, dir);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Sets the value associated with the item at a given index. This value can be
 * used for any purpose, but is also what is passed to the server when the
 * list box is submitted as part of a {@link FormPanel}.
 * 
 * @param index the index of the item to be set
 * @param value the item's new value; cannot be <code>null</code>
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public void setValue(int index, String value) {
 checkIndex(index);
 getSelectElement().getOptions().getItem(index).setValue(value);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Gets the value associated with the item at a given index.
 * 
 * @param index the index of the item to be retrieved
 * @return the item's associated value
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public String getValue(int index) {
 checkIndex(index);
 return getSelectElement().getOptions().getItem(index).getValue();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Determines whether an individual list item is selected.
 * 
 * @param index the index of the item to be tested
 * @return <code>true</code> if the item is selected
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public boolean isItemSelected(int index) {
 checkIndex(index);
 return getSelectElement().getOptions().getItem(index).isSelected();
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Gets the text associated with the item at the specified index.
 * 
 * @param index the index of the item whose text is to be retrieved
 * @return the text associated with the item
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public String getItemText(int index) {
 checkIndex(index);
 return getOptionText(getSelectElement().getOptions().getItem(index));
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Sets whether an individual list item is selected.
 * 
 * <p>
 * Note that setting the selection programmatically does <em>not</em> cause
 * the {@link ChangeHandler#onChange(ChangeEvent)} event to be fired.
 * </p>
 * 
 * @param index the index of the item to be selected or unselected
 * @param selected <code>true</code> to select the item
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public void setItemSelected(int index, boolean selected) {
 checkIndex(index);
 getSelectElement().getOptions().getItem(index).setSelected(selected);
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * <b>Affected Elements:</b>
 * <ul>
 * <li>-item# = the option at the specified index.</li>
 * </ul>
 * 
 * @see UIObject#onEnsureDebugId(String)
 */
@Override
protected void onEnsureDebugId(String baseID) {
 super.onEnsureDebugId(baseID);
 // Set the id of each option
 int numItems = getItemCount();
 for (int i = 0; i < numItems; i++) {
  ensureDebugId(getSelectElement().getOptions().getItem(i), baseID, "item"
    + i);
 }
}

代码示例来源：origin: com.google.gwt/gwt-servlet

/**
 * Inserts an item into the list box, specifying its direction and an initial
 * value for the item. If the index is less than zero, or greater than or
 * equal to the length of the list, then the item will be appended to the end
 * of the list.
 * 
 * @param item the text of the item to be inserted
 * @param dir the item's direction. If {@code null}, the item is displayed in
 *          the widget's overall direction, or, if a direction estimator has
 *          been set, in the item's estimated direction.
 * @param value the item's value, to be submitted if it is part of a
 *          {@link FormPanel}.
 * @param index the index at which to insert it
 */
public void insertItem(String item, Direction dir, String value, int index) {
 SelectElement select = getSelectElement();
 OptionElement option = Document.get().createOptionElement();
 setOptionText(option, item, dir);
 option.setValue(value);
 int itemCount = select.getLength();
 if (index < 0 || index > itemCount) {
  index = itemCount;
 }
 if (index == itemCount) {
  select.add(option, null);
 } else {
  OptionElement before = select.getOptions().getItem(index);
  select.add(option, before);
 }
}

代码示例来源：origin: net.wetheinter/gwt-user

/**
 * Gets the value associated with the item at a given index.
 * 
 * @param index the index of the item to be retrieved
 * @return the item's associated value
 * @throws IndexOutOfBoundsException if the index is out of range
 */
public String getValue(int index) {
 checkIndex(index);
 return getSelectElement().getOptions().getItem(index).getValue();
}