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- /*
- @ITMillApache2LicenseForJavaFiles@
- */
-
- package com.vaadin.terminal.gwt.client.ui;
-
- import java.util.ArrayList;
- import java.util.Iterator;
-
- import com.google.gwt.event.dom.client.ChangeEvent;
- import com.vaadin.terminal.gwt.client.BrowserInfo;
- import com.vaadin.terminal.gwt.client.UIDL;
- import com.vaadin.terminal.gwt.client.Util;
-
- public class VNativeSelect extends VOptionGroupBase implements Field {
-
- public static final String CLASSNAME = "v-select";
-
- protected TooltipListBox select;
-
- public VNativeSelect() {
- super(new TooltipListBox(false), CLASSNAME);
- select = (TooltipListBox) optionsContainer;
- select.setSelect(this);
- select.setVisibleItemCount(1);
- select.addChangeHandler(this);
- select.setStyleName(CLASSNAME + "-select");
-
- }
-
- @Override
- protected void buildOptions(UIDL uidl) {
- select.setClient(client);
- select.setEnabled(!isDisabled() && !isReadonly());
- select.clear();
- if (isNullSelectionAllowed() && !isNullSelectionItemAvailable()) {
- // can't unselect last item in singleselect mode
- select.addItem("", null);
- }
- boolean selected = false;
- for (final Iterator i = uidl.getChildIterator(); i.hasNext();) {
- final UIDL optionUidl = (UIDL) i.next();
- select.addItem(optionUidl.getStringAttribute("caption"),
- optionUidl.getStringAttribute("key"));
- if (optionUidl.hasAttribute("selected")) {
- select.setItemSelected(select.getItemCount() - 1, true);
- selected = true;
- }
- }
- if (!selected && !isNullSelectionAllowed()) {
- // null-select not allowed, but value not selected yet; add null and
- // remove when something is selected
- select.insertItem("", null, 0);
- select.setItemSelected(0, true);
- }
- if (BrowserInfo.get().isIE6()) {
- // lazy size change - IE6 uses naive dropdown that does not have a
- // proper size yet
- Util.notifyParentOfSizeChange(this, true);
- }
- }
-
- @Override
- protected String[] getSelectedItems() {
- final ArrayList<String> selectedItemKeys = new ArrayList<String>();
- for (int i = 0; i < select.getItemCount(); i++) {
- if (select.isItemSelected(i)) {
- selectedItemKeys.add(select.getValue(i));
- }
- }
- return selectedItemKeys.toArray(new String[selectedItemKeys.size()]);
- }
-
- @Override
- public void onChange(ChangeEvent event) {
-
- if (select.isMultipleSelect()) {
- client.updateVariable(id, "selected", getSelectedItems(),
- isImmediate());
- } else {
- client.updateVariable(id, "selected", new String[] { ""
- + getSelectedItem() }, isImmediate());
- }
- if (!isNullSelectionAllowed() && "null".equals(select.getValue(0))) {
- // remove temporary empty item
- select.removeItem(0);
- }
- }
-
- @Override
- public void setHeight(String height) {
- select.setHeight(height);
- super.setHeight(height);
- }
-
- @Override
- public void setWidth(String width) {
- select.setWidth(width);
- super.setWidth(width);
- }
-
- @Override
- protected void setTabIndex(int tabIndex) {
- ((TooltipListBox) optionsContainer).setTabIndex(tabIndex);
- }
-
- public void focus() {
- select.setFocus(true);
- }
-
- }
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