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comparison org.eclipse.jface.examples.databinding/src/org/eclipse/jface/examples/databinding/snippets/Snippet007ColorLabelProvider.d @ 100:e884642ad36e

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more work on examples
author Frank Benoit <benoit@tionex.de>
date Thu, 23 Apr 2009 00:02:38 +0200
parents 5d5bd660917f
children
comparison
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99:5d5bd660917f 100:e884642ad36e
59 persons.add(new Person("Elliot Smith", Person.MALE)); 59 persons.add(new Person("Elliot Smith", Person.MALE));
60 persons.add(new Person("Diana Krall", Person.FEMALE)); 60 persons.add(new Person("Diana Krall", Person.FEMALE));
61 persons.add(new Person("David Gilmour", Person.MALE)); 61 persons.add(new Person("David Gilmour", Person.MALE));
62 62
63 final Display display = new Display(); 63 final Display display = new Display();
64 Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() { 64 Realm.runWithDefault(SWTObservables.getRealm(display), dgRunnable(() {
65 public void run() { 65 Shell shell = new Shell(display);
66 Shell shell = new Shell(display); 66 shell.setText("Gender Bender");
67 shell.setText("Gender Bender"); 67 shell.setLayout(new GridLayout());
68 shell.setLayout(new GridLayout()); 68
69 69 Table table = new Table(shell, SWT.SINGLE | SWT.H_SCROLL
70 Table table = new Table(shell, SWT.SINGLE | SWT.H_SCROLL 70 | SWT.V_SCROLL | SWT.BORDER);
71 | SWT.V_SCROLL | SWT.BORDER); 71 GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
72 GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true); 72 table.setLayoutData(gridData);
73 table.setLayoutData(gridData); 73 table.setHeaderVisible(true);
74 table.setHeaderVisible(true); 74 table.setLinesVisible(true);
75 table.setLinesVisible(true); 75 TableColumn column = new TableColumn(table, SWT.NONE);
76 TableColumn column = new TableColumn(table, SWT.NONE); 76 column.setText("No");
77 column.setText("No"); 77 column.setWidth(20);
78 column.setWidth(20); 78 column = new TableColumn(table, SWT.NONE);
79 column = new TableColumn(table, SWT.NONE); 79 column.setText("Name");
80 column.setText("Name"); 80 column.setWidth(100);
81 column.setWidth(100); 81 final TableViewer viewer = new TableViewer(table);
82 final TableViewer viewer = new TableViewer(table); 82
83 83 IObservableList observableList = Observables
84 IObservableList observableList = Observables 84 .staticObservableList(persons);
85 .staticObservableList(persons); 85 ObservableListContentProvider contentProvider = new ObservableListContentProvider();
86 ObservableListContentProvider contentProvider = new ObservableListContentProvider(); 86
87 87 viewer.setContentProvider(contentProvider);
88 viewer.setContentProvider(contentProvider); 88
89 89 // this does not have to correspond to the columns in the table,
90 // this does not have to correspond to the columns in the table, 90 // we just list all attributes that affect the table content.
91 // we just list all attributes that affect the table content. 91 IObservableMap[] attributes = BeansObservables.observeMaps(
92 IObservableMap[] attributes = BeansObservables.observeMaps( 92 contentProvider.getKnownElements(), Class.fromType!(Person),
93 contentProvider.getKnownElements(), Person.class, 93 [ "name", "gender" ]);
94 new String[] { "name", "gender" }); 94
95 95 class ColorLabelProvider : ObservableMapLabelProvider
96 class ColorLabelProvider extends ObservableMapLabelProvider 96 , ITableColorProvider {
97 implements ITableColorProvider { 97 Color male;
98 Color male = display.getSystemColor(SWT.COLOR_BLUE); 98 Color female;
99 99
100 Color female = new Color(display, 255, 192, 203); 100 this(IObservableMap[] attributes) {
101 101 super(attributes);
102 ColorLabelProvider(IObservableMap[] attributes) { 102 male = display.getSystemColor(SWT.COLOR_BLUE);
103 super(attributes); 103 female = new Color(display, 255, 192, 203);
104 }
105
106 // to drive home the point that attributes does not have to
107 // match
108 // the columns
109 // in the table, we change the column text as follows:
110 public String getColumnText(Object element, int index) {
111 if (index is 0) {
112 return Integer
113 .toString(persons.indexOf(element) + 1);
104 } 114 }
105 115 return (cast(Person) element).getName();
106 // to drive home the point that attributes does not have to 116 }
107 // match 117
108 // the columns 118 public Color getBackground(Object element, int index) {
109 // in the table, we change the column text as follows: 119 return null;
110 public String getColumnText(Object element, int index) { 120 }
111 if (index == 0) { 121
112 return Integer 122 public Color getForeground(Object element, int index) {
113 .toString(persons.indexOf(element) + 1); 123 if (index is 0)
114 } 124 return null;
115 return ((Person) element).getName(); 125 Person person = cast(Person) element;
126 return (person.getGender() is Person.MALE) ? male
127 : female;
128 }
129
130 public void dispose() {
131 super.dispose();
132 female.dispose();
133 }
134 }
135 viewer.setLabelProvider(new ColorLabelProvider(attributes));
136
137 viewer.setInput(cast(Object)observableList);
138
139 table.getColumn(0).pack();
140
141 Button button = new Button(shell, SWT.PUSH);
142 button.setText("Toggle Gender");
143 button.addSelectionListener(new class() SelectionAdapter {
144 public void widgetSelected(SelectionEvent arg0) {
145 StructuredSelection selection = cast(StructuredSelection) viewer
146 .getSelection();
147 if (selection !is null && !selection.isEmpty()) {
148 Person person = cast(Person) selection
149 .getFirstElement();
150 person
151 .setGender((person.getGender() is Person.MALE) ? Person.FEMALE
152 : Person.MALE);
116 } 153 }
117 154 }
118 public Color getBackground(Object element, int index) { 155 });
119 return null; 156
120 } 157 shell.setSize(300, 400);
121 158 shell.open();
122 public Color getForeground(Object element, int index) { 159
123 if (index == 0) 160 while (!shell.isDisposed()) {
124 return null; 161 if (!display.readAndDispatch())
125 Person person = (Person) element; 162 display.sleep();
126 return (person.getGender() == Person.MALE) ? male
127 : female;
128 }
129
130 public void dispose() {
131 super.dispose();
132 female.dispose();
133 }
134 }
135 viewer.setLabelProvider(new ColorLabelProvider(attributes));
136
137 viewer.setInput(observableList);
138
139 table.getColumn(0).pack();
140
141 Button button = new Button(shell, SWT.PUSH);
142 button.setText("Toggle Gender");
143 button.addSelectionListener(new SelectionAdapter() {
144 public void widgetSelected(SelectionEvent arg0) {
145 StructuredSelection selection = (StructuredSelection) viewer
146 .getSelection();
147 if (selection != null && !selection.isEmpty()) {
148 Person person = (Person) selection
149 .getFirstElement();
150 person
151 .setGender((person.getGender() == Person.MALE) ? Person.FEMALE
152 : Person.MALE);
153 }
154 }
155 });
156
157 shell.setSize(300, 400);
158 shell.open();
159
160 while (!shell.isDisposed()) {
161 if (!display.readAndDispatch())
162 display.sleep();
163 }
164 } 163 }
165 }); 164 }));
166 display.dispose(); 165 display.dispose();
167 } 166 }
168 167
169 static class Person { 168 static class Person {
170 static final int MALE = 0; 169 static final int MALE = 0;
171
172 static final int FEMALE = 1; 170 static final int FEMALE = 1;
173
174 private String name; 171 private String name;
175
176 private int gender; 172 private int gender;
177 173 private PropertyChangeSupport changeSupport;
178 private PropertyChangeSupport changeSupport = new PropertyChangeSupport( 174
179 this); 175 this(String name, int gender) {
180 176 changeSupport = new PropertyChangeSupport(this);
181 Person(String name, int gender) {
182 this.name = name; 177 this.name = name;
183 this.gender = gender; 178 this.gender = gender;
184 } 179 }
185 180
186 /** 181 /**