| /* |
| * Copyright 2007 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.uibinder.parsers; |
| |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.core.ext.typeinfo.JClassType; |
| import com.google.gwt.uibinder.rebind.UiBinderWriter; |
| import com.google.gwt.uibinder.rebind.XMLElement; |
| |
| /** |
| * Parses {@link com.google.gwt.user.client.ui.TabPanel} widgets. |
| */ |
| public class TabPanelParser implements ElementParser { |
| |
| private static final String TAG_TAB = "Tab"; |
| private static final String TAG_TABHTML = "TabHTML"; |
| |
| public void parse(XMLElement elem, String fieldName, JClassType type, |
| UiBinderWriter writer) throws UnableToCompleteException { |
| // Parse children. |
| for (XMLElement child : elem.consumeChildElements()) { |
| // TabPanel can only contain Tab elements. |
| String ns = child.getNamespaceUri(); |
| String tagName = child.getLocalName(); |
| |
| if (!ns.equals(elem.getNamespaceUri())) { |
| writer.die("Invalid TabPanel child namespace: " + ns); |
| } |
| if (!tagName.equals(TAG_TAB)) { |
| writer.die("Invalid TabPanel child element: " + tagName); |
| } |
| |
| // Get the caption, if any. |
| String tabCaption = ""; |
| if (child.hasAttribute("text")) { |
| tabCaption = child.consumeAttribute("text"); |
| } |
| |
| // Get the single required child widget. |
| String tabHTML = null; |
| String childFieldName = null; |
| for (XMLElement tabChild : child.consumeChildElements()) { |
| if (tabChild.getLocalName().equals(TAG_TABHTML)) { |
| HtmlInterpreter interpreter = |
| HtmlInterpreter.newInterpreterForUiObject(writer, fieldName); |
| tabHTML = tabChild.consumeInnerHtml(interpreter); |
| } else { |
| if (childFieldName != null) { |
| writer.die("gwt:Tab may only have a single child widget"); |
| } |
| childFieldName = writer.parseElementToField(tabChild); |
| } |
| } |
| |
| if (tabHTML != null) { |
| writer.addStatement("%1$s.add(%2$s, \"%3$s\", true);", fieldName, |
| childFieldName, tabHTML); |
| } else { |
| writer.addStatement("%1$s.add(%2$s, \"%3$s\");", fieldName, |
| childFieldName, tabCaption); |
| } |
| } |
| } |
| } |