| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.cocoon.forms.formmodel; |
| |
| import org.apache.cocoon.forms.FormsException; |
| import org.apache.cocoon.forms.event.ValueChangedListener; |
| import org.apache.cocoon.forms.event.WidgetEventMulticaster; |
| |
| /** |
| * The definition of an upload widget. |
| * |
| * @version $Id$ |
| */ |
| public class UploadDefinition extends AbstractWidgetDefinition { |
| private ValueChangedListener listener; |
| private boolean required; |
| private String mimeTypes; |
| |
| public UploadDefinition() { |
| this.mimeTypes = null; |
| this.required = false; |
| } |
| |
| public UploadDefinition(boolean required, String mimeTypes) { |
| this.required = required; |
| this.mimeTypes = mimeTypes; |
| } |
| |
| /** |
| * initialize this definition with the other, sort of like a copy constructor |
| */ |
| public void initializeFrom(WidgetDefinition definition) throws Exception { |
| super.initializeFrom(definition); |
| |
| if (!(definition instanceof UploadDefinition)) { |
| throw new FormsException("Ancestor definition " + definition.getClass().getName() + " is not an UploadDefinition.", |
| getLocation()); |
| } |
| |
| UploadDefinition other = (UploadDefinition) definition; |
| |
| this.required = other.required; |
| this.mimeTypes = other.mimeTypes; |
| this.listener = WidgetEventMulticaster.add(this.listener, other.listener); |
| } |
| |
| public void addMimeTypes(String types) { |
| if(types != null) { |
| if(mimeTypes == null) |
| mimeTypes = types; |
| else { |
| if(mimeTypes.length()>0) |
| mimeTypes += ", "; |
| mimeTypes += types; |
| } |
| } |
| } |
| |
| public void setRequired(boolean required) { |
| checkMutable(); |
| this.required = required; |
| } |
| |
| public Widget createInstance() { |
| return new Upload(this); |
| } |
| |
| public boolean isRequired() { |
| return required; |
| } |
| |
| public String getMimeTypes() { |
| return this.mimeTypes; |
| } |
| |
| public void addValueChangedListener(ValueChangedListener listener) { |
| checkMutable(); |
| this.listener = WidgetEventMulticaster.add(this.listener, listener); |
| } |
| |
| public ValueChangedListener getValueChangedListener() { |
| return this.listener; |
| } |
| |
| public boolean hasValueChangedListeners() { |
| return listener != null; |
| } |
| } |