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1
4 package org.terracotta.dso.editors;
5
6 import org.eclipse.core.resources.IProject;
7
8 import org.dijon.Button;
9 import org.dijon.ContainerResource;
10
11 import org.terracotta.dso.TcPlugin;
12 import com.tc.admin.common.XTable;
13 import org.terracotta.dso.editors.chooser.FieldChooser;
14 import com.terracottatech.config.DsoApplication;
15 import com.terracottatech.config.TransientFields;
16
17 import java.awt.Frame  ;
18 import java.awt.event.ActionEvent ;
19 import java.awt.event.ActionListener ;
20
21 import javax.swing.event.ListSelectionEvent ;
22 import javax.swing.event.ListSelectionListener ;
23 import javax.swing.event.TableModelEvent ;
24 import javax.swing.event.TableModelListener ;
25 import javax.swing.table.DefaultTableModel ;
26
27 public class TransientFieldsPanel extends ConfigurationEditorPanel
28 implements TableModelListener
29 {
30 private IProject m_project;
31 private DsoApplication m_dsoApp;
32 private TransientFields m_transientFields;
33 private XTable m_transientTable;
34 private TransientTableModel m_transientTableModel;
35 private Button m_addButton;
36 private ActionListener m_addListener;
37 private Button m_removeButton;
38 private ActionListener m_removeListener;
39 private ListSelectionListener m_transientsListener;
40 private FieldChooser m_fieldChooser;
41
42 public TransientFieldsPanel() {
43 super();
44 }
45
46 public void load(ContainerResource containerRes) {
47 super.load(containerRes);
48
49 m_transientTable = (XTable)findComponent("TransientFieldTable");
50 m_transientTable.setModel(m_transientTableModel = new TransientTableModel());
51 m_transientsListener = new ListSelectionListener () {
52 public void valueChanged(ListSelectionEvent lse) {
53 if(!lse.getValueIsAdjusting()) {
54 int[] sel = m_transientTable.getSelectedRows();
55 m_removeButton.setEnabled(sel != null && sel.length > 0);
56 }
57 }
58 };
59
60 m_addButton = (Button)findComponent("AddTransientButton");
61 m_addListener = new ActionListener () {
62 public void actionPerformed(ActionEvent ae) {
63 FieldChooser chsr = getFieldChooser();
64
65 chsr.setup(m_project);
66 chsr.center(TransientFieldsPanel.this.getAncestorOfClass(java.awt.Frame .class));
67 chsr.setVisible(true);
68 }
69 };
70
71 m_removeButton = (Button)findComponent("RemoveTransientButton");
72 m_removeListener = new ActionListener () {
73 public void actionPerformed(ActionEvent ae) {
74 int[] selection = m_transientTable.getSelectedRows();
75
76 for(int i = selection.length-1; i >= 0; i--) {
77 ensureTransientFields().removeFieldName(selection[i]);
78 m_transientTableModel.removeRow(selection[i]);
79 }
80 }
81 };
82 }
83
84 private FieldChooser getFieldChooser() {
85 if(m_fieldChooser == null) {
86 m_fieldChooser = new FieldChooser((Frame )getAncestorOfClass(Frame .class));
87 m_fieldChooser.setListener(new FieldChooserListener());
88 }
89
90 return m_fieldChooser;
91 }
92
93 class FieldChooserListener implements ActionListener {
94 public void actionPerformed(ActionEvent ae) {
95 String [] fields = m_fieldChooser.getFieldNames();
96 String field;
97
98 for(int i = 0; i < fields.length; i++) {
99 field = fields[i];
100
101 if(field != null &&
102 (field = field.trim()) != null &&
103 field.length() > 0 &&
104 !isTransient(fields[i]))
105 {
106 internalAddTransient(fields[i]);
107 }
108 }
109 }
110 }
111
112 public boolean hasAnySet() {
113 return m_transientFields != null &&
114 m_transientFields.sizeOfFieldNameArray() > 0;
115 }
116
117 private TransientFields ensureTransientFields() {
118 if(m_transientFields == null) {
119 ensureXmlObject();
120 }
121 return m_transientFields;
122 }
123
124 public void ensureXmlObject() {
125 super.ensureXmlObject();
126
127 if(m_transientFields == null) {
128 removeListeners();
129 m_transientFields = m_dsoApp.addNewTransientFields();
130 updateChildren();
131 addListeners();
132 }
133 }
134
135 private void syncModel() {
136 if(!hasAnySet() && m_dsoApp.getTransientFields() != null){
137 m_dsoApp.unsetTransientFields();
138 m_transientFields = null;
139 fireXmlObjectStructureChanged(m_dsoApp);
140 }
141
142 setDirty();
143 }
144
145 private void addListeners() {
146 m_transientTableModel.addTableModelListener(this);
147 m_transientTable.getSelectionModel().addListSelectionListener(m_transientsListener);
148 m_addButton.addActionListener(m_addListener);
149 m_removeButton.addActionListener(m_removeListener);
150 }
151
152 private void removeListeners() {
153 m_transientTableModel.removeTableModelListener(this);
154 m_transientTable.getSelectionModel().removeListSelectionListener(m_transientsListener);
155 m_addButton.removeActionListener(m_addListener);
156 m_removeButton.removeActionListener(m_removeListener);
157 }
158
159 public void updateChildren() {
160 m_transientTableModel.clear();
161
162 if(m_transientFields != null) {
163 String [] transients = m_transientFields.getFieldNameArray();
164
165 for(int i = 0; i < transients.length; i++) {
166 m_transientTableModel.addField(transients[i]);
167 }
168 } else {
169 m_transientTableModel.fireTableDataChanged();
170 }
171 }
172
173 public void updateModel() {
174 removeListeners();
175 updateChildren();
176 addListeners();
177 }
178
179 public void setup(IProject project, DsoApplication dsoApp) {
180 setEnabled(true);
181 removeListeners();
182
183 m_project = project;
184 m_dsoApp = dsoApp;
185 m_transientFields = m_dsoApp != null ?
186 m_dsoApp.getTransientFields() :
187 null;
188
189 updateChildren();
190 addListeners();
191 }
192
193 public void tearDown() {
194 removeListeners();
195
196 m_dsoApp = null;
197 m_transientFields = null;
198
199 m_transientTableModel.clear();
200
201 setEnabled(false);
202 }
203
204 class TransientTableModel extends DefaultTableModel {
205 TransientTableModel() {
206 super();
207 setColumnIdentifiers(new String []{"Transient fields"});
208 }
209
210 void clear() {
211 setRowCount(0);
212 }
213
214 void setTransientFields(TransientFields fields) {
215 clear();
216
217 if(fields != null) {
218 int count = fields.sizeOfFieldNameArray();
219
220 for(int i = 0; i < count; i++) {
221 addField(fields.getFieldNameArray(i));
222 }
223 }
224 }
225
226 void addField(String fieldName) {
227 addRow(new Object [] {fieldName});
228 }
229
230 int indexOf(String fieldName) {
231 int count = getRowCount();
232
233 for(int i = 0; i < count; i++) {
234 if(((String )getValueAt(i, 0)).equals(fieldName)) {
235 return i;
236 }
237 }
238
239 return -1;
240 }
241
242 public void setValueAt(Object value, int row, int col) {
243 m_transientFields.setFieldNameArray(row, (String )value);
244 super.setValueAt(value, row, col);
245 }
246 }
247
248 public void tableChanged(TableModelEvent tme) {
249 syncModel();
250 }
251
252 private void internalAddTransient(String fieldName) {
253 ensureTransientFields().addFieldName(fieldName);
254 m_transientTableModel.addField(fieldName);
255
256 int row = m_transientTableModel.getRowCount()-1;
257 m_transientTable.setRowSelectionInterval(row, row);
258 }
259
260 public boolean isTransient(String fieldName) {
261 return TcPlugin.getDefault().getConfigurationHelper(m_project).isTransient(fieldName);
262 }
263 }
264 |
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