| /** |
| * Copyright (c) 2008 Oracle Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Oracle Corporation - initial API and implementation |
| */ |
| package org.eclipse.jst.jsf.apache.trinidad.tagsupport.converter.operations; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jst.jsf.apache.trinidad.tagsupport.model.SelectItem; |
| import org.eclipse.jst.jsf.apache.trinidad.tagsupport.model.SelectItemModel; |
| import org.w3c.dom.Element; |
| |
| /** |
| * ITransformOperation implementation specifically for "selectManyListbox", |
| * "selectOneListbox", and "selectOneChoice" JSF Elements. |
| * |
| * <br><b>Note:</b> requires ITransformOperation.setTagConverterContext(...) to |
| * have been called to provide a valid ITagConverterContext instance prior to |
| * a call to the transform(...) method. |
| * |
| * @author Ian Trimble - Oracle |
| */ |
| public class SelectListboxChoiceOperation extends AbstractLabelAndHelpOperation { |
| |
| private boolean isMultiple; |
| private boolean showSize; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.apache.trinidad.tagsupport.converter.operations.AbstractLabelAndHelpOperation#transform(org.w3c.dom.Element, org.w3c.dom.Element) |
| */ |
| @Override |
| public Element transform(Element srcElement, Element curElement) { |
| if (getParameters().length < 2) { |
| getLog().error("Warning.TransformOperationFactory.TooFewParameters", getTransformOperationID()); //$NON-NLS-1$ |
| return null; |
| } else { |
| isMultiple = Boolean.parseBoolean(getParameters()[0]); |
| showSize = Boolean.parseBoolean(getParameters()[1]); |
| } |
| return super.transform(srcElement, curElement); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.jsf.apache.trinidad.tagsupport.converter.operations.AbstractLabelAndHelpOperation#appendControl(org.w3c.dom.Element, org.w3c.dom.Element) |
| */ |
| @Override |
| protected void appendControl(Element srcElement, Element parentElement) { |
| Element selectElement = appendChildElement("select", parentElement); //$NON-NLS-1$ |
| if (isMultiple) { |
| appendAttribute(selectElement, "multiple", ""); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| List<SelectItem> selectItems = SelectItemModel.getModel(srcElement); |
| if (showSize) { |
| int size; |
| String attrSize = srcElement.getAttribute("size"); //$NON-NLS-1$ |
| if (attrSize != null && attrSize.length() > 0) { |
| try { |
| size = Integer.parseInt(attrSize); |
| } catch(NumberFormatException nfe) { |
| size = 1; |
| } |
| } else { |
| size = 1; |
| } |
| size = Math.max(size, selectItems.size()); |
| appendAttribute(selectElement, "size", String.valueOf(size)); //$NON-NLS-1$ |
| } |
| boolean isFirstSelectItem = !isMultiple; |
| Iterator<SelectItem> itSelectItems = selectItems.iterator(); |
| while (itSelectItems.hasNext()) { |
| SelectItem selectItem = itSelectItems.next(); |
| Element optionElement = appendChildElement("option", selectElement); //$NON-NLS-1$ |
| if (isFirstSelectItem) { |
| appendAttribute(optionElement, "selected", ""); //$NON-NLS-1$ //$NON-NLS-2$ |
| isFirstSelectItem = false; |
| } |
| appendChildText(selectItem.getLabel(), optionElement); |
| } |
| //append common attributes |
| appendAttribute(selectElement, "class", STYLECLASS_CONTROLELEMENT); //$NON-NLS-1$ |
| String contentStyle = calculateStyle(null, srcElement, "contentStyle"); //$NON-NLS-1$ |
| if (contentStyle != null) { |
| appendAttribute(selectElement, "style", contentStyle); //$NON-NLS-1$ |
| } |
| } |
| |
| } |