|
1
6 package com.nightlabs.ipanema.person.search;
7
8 import java.util.ArrayList  ;
9 import java.util.Iterator ;
10 import java.util.List ;
11
12 import org.apache.log4j.Logger;
13 import org.eclipse.swt.SWT;
14 import org.eclipse.swt.events.SelectionEvent;
15 import org.eclipse.swt.events.SelectionListener;
16 import org.eclipse.swt.layout.GridData;
17 import org.eclipse.swt.layout.GridLayout;
18 import org.eclipse.swt.widgets.Combo;
19 import org.eclipse.swt.widgets.Composite;
20 import org.eclipse.swt.widgets.Control;
21
22 import com.nightlabs.ipanema.person.AbstractPersonStructField;
23 import com.nightlabs.ipanema.person.PersonStructBlock;
24 import com.nightlabs.ipanema.person.PersonStructCache;
25 import com.nightlabs.ipanema.person.TextPersonStructField;
26 import com.nightlabs.jdo.search.SearchFilterItem;
27 import com.nightlabs.jdo.search.SearchFilterItemEditor;
28 import com.nightlabs.rcp.composite.TightWrapperComposite;
29
30
36 public class PersonSearchFilterItemEditor extends SearchFilterItemEditor implements SelectionListener{
37 private static final Logger LOGGER = Logger.getLogger(PersonSearchFilterItemEditor.class);
38
39 private TightWrapperComposite wrapper;
40 private List searchFieldList;
41 private Combo comboSearchField;
42
43
46 public Control getControl(Composite parent) {
47 if (wrapper == null) {
48 wrapper = new TightWrapperComposite(parent,SWT.NONE,true);
49 GridLayout wrapperLayout = (GridLayout)wrapper.getLayout();
50 wrapperLayout.numColumns = 2;
51 wrapperLayout.makeColumnsEqualWidth = false;
52
53 comboSearchField = new Combo(wrapper, SWT.DROP_DOWN | SWT.READ_ONLY);
54 GridData gdCombo = new GridData();
55 gdCombo.grabExcessHorizontalSpace = false;
56 gdCombo.horizontalAlignment = GridData.FILL;
57 comboSearchField.setLayoutData(gdCombo);
58
59 if (searchFieldList == null) {
60 try {
61 searchFieldList = buildSearchFieldList();
62 }
63 catch (Throwable t) {
64 searchFieldList = null;
65 wrapper.dispose();
66 wrapper = null;
67 throw new RuntimeException (t);
68 }
69 }
70
71 for (int i = 0; i<searchFieldList.size()-1; i++) {
72 PersonSearchFilterItemEditorHelper helper = (PersonSearchFilterItemEditorHelper) searchFieldList.get(i);
73 comboSearchField.add(helper.getDisplayName());
74 }
75 comboSearchField.addSelectionListener(this);
76 PersonSearchFilterItemEditorHelperRegistry.getSharedInstance().addItemEditor(TextPersonStructField.class,new TextStructFieldSearchItemEditorHelper());
78 comboSearchField.select(0);
79 onComboChange();
80 }
81 return wrapper;
82 }
83
84
91 protected List buildSearchFieldList() {
92 List helperList = new ArrayList ();
93 for (Iterator iter = PersonStructCache.getOrderedPersonStructBlocks(false).iterator(); iter.hasNext();) {
94 PersonStructBlock structBlock = (PersonStructBlock) iter.next();
95 for (Iterator iterator = structBlock.getPersonStructFields().iterator(); iterator.hasNext();) {
96 AbstractPersonStructField structField = (AbstractPersonStructField) iterator.next();
97 helperList.add(new PersonStructFieldSearchItemEditorManager(structField));
98 }
99 }
100 return helperList;
101 }
102
103
108 public SearchFilterItem getSearchFilterItem() {
109 return getCurrentHelper().getSearchFilterItem();
110 }
111
112
113 private PersonSearchFilterItemEditorHelper lastHelper;
114 private int lastIdx = -1;
115
116 private PersonSearchFilterItemEditorHelper getCurrentHelper() {
117 int idx = comboSearchField.getSelectionIndex();
118 if ((idx < 0) || (idx >= searchFieldList.size()))
119 throw new ArrayIndexOutOfBoundsException ("Selection index of search field combo is out of range of searchFieldList.S");
120 return (PersonSearchFilterItemEditorHelper) searchFieldList.get(idx);
121 }
122
123 private void onComboChange() {
124 int idx = comboSearchField.getSelectionIndex();
125 if (idx == lastIdx)
126 return;
127 if (idx < 0)
128 return;
129 PersonSearchFilterItemEditorHelper helper = getCurrentHelper();
130 if (lastHelper != null) {
131 lastHelper.close();
132 try {
133 lastHelper.getControl(null).dispose();
134 } catch (Throwable t) {
135 LOGGER.error("Error disposing helper control.",t);
136 }
137 }
138 helper.getControl(wrapper);
139 wrapper.layout();
140 lastIdx = idx;
141 lastHelper = helper;
142 }
143
146 public void widgetSelected(SelectionEvent evt) {
147 if (evt.getSource().equals(comboSearchField)) {
148 onComboChange();
149 }
150 }
151
152
155 public void widgetDefaultSelected(SelectionEvent arg0) {
156 }
157
158
161 public void close() {
162 comboSearchField.removeSelectionListener(this);
163 }
164
165 }
166 |
Popular Tags |
Java API By Example, From Geeks To Geeks.