001 // Copyright 2004, 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.wml; 016 017 import org.apache.hivemind.HiveMind; 018 import org.apache.tapestry.AbstractComponent; 019 import org.apache.tapestry.IMarkupWriter; 020 import org.apache.tapestry.IRequestCycle; 021 022 /** 023 * The Input element specifies a text entry object. 024 * 025 * @author David Solis 026 * @since 3.0 027 */ 028 029 public abstract class Input extends AbstractComponent 030 { 031 032 /** 033 * @see AbstractComponent#renderComponent(IMarkupWriter, IRequestCycle) 034 */ 035 036 protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) 037 { 038 boolean render = !cycle.isRewinding(); 039 040 if (render) 041 { 042 writer.beginEmpty("input"); 043 044 writer.attribute("type", isHidden() ? "password" : "text"); 045 046 writer.attribute("name", getName()); 047 048 String title = getTitle(); 049 if (HiveMind.isNonBlank(title)) 050 writer.attribute("title", title); 051 052 String format = getFormat(); 053 if (HiveMind.isNonBlank(format)) 054 writer.attribute("format", format); 055 056 boolean emptyok = isEmptyok(); 057 if (emptyok != false) 058 writer.attribute("emptyok", emptyok); 059 060 renderInformalParameters(writer, cycle); 061 062 String value = getValue(); 063 if (HiveMind.isNonBlank(value)) 064 writer.attribute("value", value); 065 066 writer.closeTag(); 067 } 068 } 069 070 public abstract String getTitle(); 071 072 public abstract String getName(); 073 074 public abstract String getFormat(); 075 076 public abstract boolean isHidden(); 077 078 public abstract boolean isEmptyok(); 079 080 public abstract String getValue(); 081 082 }