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1 package org.apache.slide.projector.processor.form;
2
3 import java.util.ArrayList  ;
4 import java.util.Iterator ;
5 import java.util.List ;
6 import java.util.Locale ;
7 import java.util.Map ;
8
9 import org.apache.slide.projector.ConfigurationException;
10 import org.apache.slide.projector.Constants;
11 import org.apache.slide.projector.Context;
12 import org.apache.slide.projector.HttpContext;
13 import org.apache.slide.projector.ProcessException;
14 import org.apache.slide.projector.Processor;
15 import org.apache.slide.projector.Result;
16 import org.apache.slide.projector.URI;
17 import org.apache.slide.projector.descriptor.ArrayValueDescriptor;
18 import org.apache.slide.projector.descriptor.BooleanValueDescriptor;
19 import org.apache.slide.projector.descriptor.LocaleValueDescriptor;
20 import org.apache.slide.projector.descriptor.NumberValueDescriptor;
21 import org.apache.slide.projector.descriptor.ParameterDescriptor;
22 import org.apache.slide.projector.descriptor.ProcessorDescriptor;
23 import org.apache.slide.projector.descriptor.StringValueDescriptor;
24 import org.apache.slide.projector.descriptor.URIValueDescriptor;
25 import org.apache.slide.projector.descriptor.ValueDescriptor;
26 import org.apache.slide.projector.engine.ProcessorManager;
27 import org.apache.slide.projector.i18n.DefaultMessage;
28 import org.apache.slide.projector.i18n.ErrorMessage;
29 import org.apache.slide.projector.i18n.ParameterMessage;
30 import org.apache.slide.projector.processor.process.Process;
31 import org.apache.slide.projector.value.ArrayValue;
32 import org.apache.slide.projector.value.BooleanValue;
33 import org.apache.slide.projector.value.LocaleValue;
34 import org.apache.slide.projector.value.MapValue;
35 import org.apache.slide.projector.value.NullValue;
36 import org.apache.slide.projector.value.StreamableValue;
37 import org.apache.slide.projector.value.StringValue;
38 import org.apache.slide.projector.value.URIValue;
39 import org.apache.slide.projector.value.Value;
40
41
44 public class FormGenerator extends ControlComposer {
45 public final static String CONTROLS = "controls";
46 public final static String TRIGGERS = "triggers";
47 public final static String TARGET_STEP = "targetStep";
48
49 protected final static String TRIGGER_IMAGE = "image";
50 protected final static URI TEXTFIELD = new URIValue("textfield");
51 protected final static URI TEXTAREA = new URIValue("textarea");
52 protected final static URI LISTBOX = new URIValue("listbox");
53 protected final static URI COMBOBOX = new URIValue("combobox");
54 protected final static URI CHECKBOX = new URIValue("checkbox");
55 protected final static URI ERRORS_TABLE = new URIValue("errors");
56 protected final static URI TRIGGER_URI = new URIValue("textTrigger");
57 protected final static URI DEFAULT_TRIGGER_IMAGE = new URIValue("/files/contelligent/images/ok.gif");
58 protected final static URI DEFAULT_CONTROL_CONTAINER = new URIValue("bigControl");
59 protected final static URI DEFAULT_TRIGGER_CONTAINER = new URIValue("triggerContainer");
60 protected final static URI DEFAULT_ERROR_RENDERER = new URIValue("errors");
61
62 protected final static String PROCESSOR_NAME = "processor-name";
63 protected final static String PROCESSOR_TITLE = "processor-title";
64 protected final static String PROCESSOR_TEXT = "processor-text";
65 protected final static String PROCESSOR_SMALL_ICON = "processor-small-icon";
66 protected final static String PROCESSOR_LARGE_ICON = "processor-large-icon";
67
68 protected final static String STYLE = "style";
69 protected final static String ORANGE_STYLE = "style.html";
70 protected final static String LAUNCH_PROCESSOR = "trigger:launch";
71
72 private ParameterDescriptor[] parameterDescriptors;
73
74 public FormGenerator() {
75 super();
76 }
77
78 public Result process(Map parameter, Context context) throws Exception {
79 URI actionUri = (URIValue)parameter.get(Control.ACTION);
80 Processor action = ProcessorManager.getInstance().getProcessor(actionUri);
81 Locale locale = ((LocaleValue)parameter.get(LOCALE)).getLocale();
82 ParameterDescriptor []actionParameterDescriptors = action.getParameterDescriptors();
83 StringBuffer buffer = new StringBuffer ();
84 List controlDescriptors = new ArrayList ();
85 for (int i = 0; i < actionParameterDescriptors.length; i++) {
87 String parameterName = actionParameterDescriptors[i].getName();
88 MapValue controlDescriptor = new MapValue();
89 controlDescriptor.getMap().put(Control.ACTION, actionUri);
90 controlDescriptor.getMap().put(Control.PARAMETER, parameterName);
91 controlDescriptor.getMap().put(CONTROL, getControlURI(actionParameterDescriptors[i].getValueDescriptor()));
92 controlDescriptor.getMap().put(CONTROL_CONTAINER, DEFAULT_CONTROL_CONTAINER);
93 controlDescriptor.getMap().put(CONTROL_NAME, parameterName);
94 controlDescriptors.add(controlDescriptor);
95 }
96 parameter.put(CONTROL_DESCRIPTIONS, new ArrayValue((Value[])controlDescriptors.toArray(new Value[controlDescriptors.size()])));
97
98 MapValue triggerDescriptor = new MapValue();
100 triggerDescriptor.getMap().put(Trigger.ACTION, actionUri);
101 triggerDescriptor.getMap().put(Trigger.VALIDATE, BooleanValue.TRUE);
102 triggerDescriptor.getMap().put(Trigger.INVOLVED_PARAMETERS, NullValue.NULL);
103 triggerDescriptor.getMap().put(Process.STEP, parameter.get(TARGET_STEP));
104 triggerDescriptor.getMap().put(TRIGGER, TRIGGER_URI);
105 triggerDescriptor.getMap().put(TRIGGER_NAME, LAUNCH_PROCESSOR);
106 triggerDescriptor.getMap().put(TRIGGER_IMAGE, ProcessorManager.getInstance().process(ProcessorManager.BINARY, DEFAULT_TRIGGER_IMAGE, "url", context));
107 triggerDescriptor.getMap().put(TRIGGER_CONTAINER, DEFAULT_TRIGGER_CONTAINER);
108 parameter.put(TRIGGER_DESCRIPTIONS, new ArrayValue(new Value[] { triggerDescriptor }));
109 parameter.put(ERRORS_PROCESSOR, DEFAULT_ERROR_RENDERER);
110
111 parameter.put(HANDLER, ProcessorManager.getInstance().process(ProcessorManager.URL, Constants.DEFAULT_FORM_HANDLER, context));
112 parameter.put(METHOD, new StringValue(POST));
113 Result controlComposerResult = super.process(parameter, context);
114 StringBuffer controlBuffer = new StringBuffer ();
115 Value []generatedControls = ((ArrayValue)controlComposerResult.getResultEntries().get(ControlComposer.GENERATED_CONTROLS)).getArray();
116 for ( int i = 0; i < generatedControls.length; i++ ) {
117 Iterator j = ((MapValue)generatedControls[i]).getMap().values().iterator();
118 StringValue renderedControl = (StringValue)j.next();
119 buffer.append(renderedControl.toString());
120 }
121 StringValue composedControls = new StringValue(buffer.toString());
122 parameter.put(CONTROLS, composedControls);
123 StringBuffer triggerBuffer = new StringBuffer ();
124 Value []generatedTriggers = ((ArrayValue)controlComposerResult.getResultEntries().get(ControlComposer.GENERATED_TRIGGERS)).getArray();
125 for ( int i = 0; i < generatedTriggers.length; i++ ) {
126 Iterator j = ((MapValue)generatedTriggers[i]).getMap().values().iterator();
127 StringValue renderedTrigger = (StringValue)j.next();
128 triggerBuffer.append(renderedTrigger.toString());
129 }
130 StringValue composedTriggers= new StringValue(triggerBuffer.toString());
131 parameter.put(TRIGGERS, composedTriggers);
132 ProcessorDescriptor processorDescriptor = ProcessorManager.getInstance().getProcessorDescriptor(actionUri);
133 parameter.put(PROCESSOR_NAME, processorDescriptor.getName());
134 parameter.put(PROCESSOR_TITLE, ((DefaultMessage)processorDescriptor.getDescription()).getTitle(locale, processorDescriptor.getName()));
135 parameter.put(PROCESSOR_TEXT, ((DefaultMessage)processorDescriptor.getDescription()).getText(locale, ""));
136 parameter.put(PROCESSOR_LARGE_ICON, ProcessorManager.getInstance().process(ProcessorManager.BINARY, processorDescriptor.getLargeIcon(), "url", context));
137 parameter.put(PROCESSOR_SMALL_ICON, ProcessorManager.getInstance().process(ProcessorManager.BINARY, processorDescriptor.getSmallIcon(), "url", context));
138 parameter.put(TITLE, processorDescriptor.getName());
139 parameter.put(STYLE, ((HttpContext)context).getContextPath() + ORANGE_STYLE);
140 parameter.put(ERRORS, controlComposerResult.getResultEntries().get(ControlComposer.RENDERED_ERRORS));
141 parameter.put(ERRORS_TITLE, "Fehler:");
142 Template template = defaultTemplate;
143 String state = controlComposerResult.getState();
144 if ( state == VALID_STATE && validTemplate != null ) {
145 template = validTemplate;
146 } else if ( state == INVALID_STATE && invalidTemplate != null ) {
147 template = invalidTemplate;
148 }
149 return new Result(state, OUTPUT, renderFragment(template, parameter));
150 }
151
152 public void configure(StreamableValue config) throws ConfigurationException {
153 super.configure(config);
154 parameterDescriptors = new ParameterDescriptor[] {
155 new ParameterDescriptor(ACTION, new ParameterMessage("formGenerator/action"), new URIValueDescriptor()),
156 new ParameterDescriptor(LOCALE, new ParameterMessage("formGenerator/locale"), new LocaleValueDescriptor(), new LocaleValue(Locale.getDefault())),
157 new ParameterDescriptor(TARGET_STEP, new ParameterMessage("formGenerator/targetStep"), new StringValueDescriptor())
158 };
159 try {
160 defaultTemplate = getRequiredFragment(DEFAULT_FORM);
161 } catch ( ProcessException exception ) {
162 throw new ConfigurationException(new ErrorMessage("form/defaultFragmentMissing"));
163 }
164 validTemplate = getOptionalFragment(VALID_FORM);
165 invalidTemplate = getOptionalFragment(INVALID_FORM);
166 }
167
168 public ParameterDescriptor[] getParameterDescriptors() {
169 return parameterDescriptors;
170 }
171
172 public static URI getControlURI(ValueDescriptor descriptor) {
173 if ( descriptor instanceof ArrayValueDescriptor ) {
174 return LISTBOX;
175 }
176 if ( descriptor instanceof StringValueDescriptor ) {
177 if ( ((StringValueDescriptor)descriptor).isEnumrable() ) {
178 return COMBOBOX;
179 } else if ( ((StringValueDescriptor)descriptor).getMaximumLength() < 256 ) {
180 return TEXTFIELD;
181 } else {
182 return TEXTAREA;
183 }
184 }
185 if ( descriptor instanceof BooleanValueDescriptor ) {
186 return CHECKBOX;
187 }
188 if ( descriptor instanceof NumberValueDescriptor ) {
189 if ( ((NumberValueDescriptor)descriptor).isConstrained() ) {
190 return COMBOBOX;
191 }
192 return TEXTFIELD;
193 }
194 return TEXTFIELD;
195 }
196 } |
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