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1
30 package com.genimen.djeneric.tools.scriptengine.core.nodes;
31
32 import java.util.ArrayList  ;
33 import java.util.HashMap ;
34
35 import com.genimen.djeneric.repository.DjExtent;
36 import com.genimen.djeneric.repository.DjOql;
37 import com.genimen.djeneric.repository.exceptions.DjenericException;
38 import com.genimen.djeneric.repository.exceptions.ObjectNotDefinedException;
39 import com.genimen.djeneric.tools.scriptengine.core.DjScriptParserEngine;
40 import com.genimen.djeneric.tools.scriptengine.core.EditorEventDefinition;
41 import com.genimen.djeneric.tools.scriptengine.core.ParseException;
42 import com.genimen.djeneric.tools.scriptengine.core.ScriptRunnerContainer;
43 import com.genimen.djeneric.tools.scriptengine.core.SimpleNode;
44 import com.genimen.djeneric.tools.scriptengine.core.util.DjScriptCompileTimeScope;
45 import com.genimen.djeneric.tools.scriptengine.core.util.DjScriptExecutionException;
46 import com.genimen.djeneric.tools.scriptengine.core.util.DjScriptExecutionTimeScope;
47 import com.genimen.djeneric.tools.scriptengine.core.util.Variable;
48
49 public class ChooseNode extends SimpleNode
50 {
51 String _objectType = null;
52 String _resultVariable = null;
53 String _customChooserClass = null;
54
55 public ChooseNode(int i)
56 {
57 super(i);
58 }
59
60 public ChooseNode(DjScriptParserEngine p, int i)
61 {
62 super(p, i);
63 }
64
65 public String getName()
66 {
67 return "choose";
68 }
69
70 public String toString()
71 {
72 return getName();
73 }
74
75 public String getObjectType()
76 {
77 return _objectType;
78 }
79
80 public void setObjectType(String string)
81 {
82 _objectType = string;
83 }
84
85 public String getResultVariable()
86 {
87 return _resultVariable;
88 }
89
90 public void setResultVariable(String string)
91 {
92 _resultVariable = string;
93 }
94
95 public void execute(DjScriptExecutionTimeScope context) throws DjScriptExecutionException
96 {
97 EventDefinitionNode events[] = (EventDefinitionNode[]) getChildren(EventDefinitionNode.class)
98 .toArray(new EventDefinitionNode[0]);
99
100 EditorEventDefinition[] eventDefs = new EditorEventDefinition[events.length];
101 for (int i = 0; i < eventDefs.length; i++)
102 {
103 eventDefs[i] = new EditorEventDefinition(events[i].getEventName(), events[i].getEventTitle(), events[i]
104 .getOption());
105 }
106
107 ScriptRunnerContainer container = context.getContainer();
108
109 try
110 {
111 DjExtent extent = context.getPersistenceManager().getExtentByObjectType(getObjectType());
112 Variable variable = context.getVariable(getResultVariable(), this);
113
114 DjOql oql = null;
115
116 OqlFilterNode filterNode = (OqlFilterNode) getChild(OqlFilterNode.class);
117 if (filterNode != null)
118 {
119 oql = context.getSession().createOql(extent);
120
121 HashMap parameters = new HashMap ();
122 StringBuffer restriction = new StringBuffer ();
123 try
124 {
125 filterNode.translateOql(context, restriction, parameters);
126 }
127 catch (ParseException e1)
128 {
129 throw new DjScriptExecutionException(e1.getMessage(), this);
130 }
131 oql.addBaseRestriction(restriction.toString());
132 oql.setParameters(parameters);
133 }
134
135 ActionNode actionNode = (ActionNode) getParent(ActionNode.class);
136
137 container.choose(getCustomChooserClass(), extent, variable, context.getSession(), oql, eventDefs, actionNode
138 .getActionName());
139 }
140 catch (DjenericException e)
141 {
142 throw new DjScriptExecutionException(e.getMessage(), this);
143 }
144
145 }
146
147 public void collectEvents(DjScriptCompileTimeScope ctxt, ArrayList ev) throws DjScriptExecutionException
148 {
149 if (!doCollectEvents(ctxt, ev))
150 {
151 ActionNode a = (ActionNode) getParent(ActionNode.class);
152 String actionName = a.getActionName();
153 ev.add(actionName + ".accept");
154 ev.add(actionName + ".cancel");
155 ev.add(actionName + ".close");
156 ev.add(actionName + ".validate");
157 }
158 }
159
160 public String getCustomChooserClass()
161 {
162 return _customChooserClass;
163 }
164
165 public void setCustomChooserClass(String string)
166 {
167 _customChooserClass = string;
168 }
169
170 public void validateScript(DjScriptCompileTimeScope ctxt) throws DjScriptExecutionException
171 {
172 try
173 {
174 ctxt.getPersistenceManager().getExtentByObjectType(_objectType);
175 }
176 catch (ObjectNotDefinedException onde)
177 {
178 throw new DjScriptExecutionException(onde.getMessage(), this);
179 }
180
181 ctxt.getVariable(_resultVariable, this);
182 }
183 } |
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