1 package org
.argeo
.suite
.ui
.widgets
;
3 import java
.util
.ArrayList
;
8 import org
.argeo
.cms
.ui
.CmsUiProvider
;
9 import org
.argeo
.cms
.ui
.util
.CmsUiUtils
;
10 import org
.argeo
.cms
.ui
.viewers
.Section
;
11 import org
.argeo
.eclipse
.ui
.Selected
;
12 import org
.argeo
.jcr
.Jcr
;
13 import org
.eclipse
.swt
.SWT
;
14 import org
.eclipse
.swt
.graphics
.Image
;
15 import org
.eclipse
.swt
.layout
.FormLayout
;
16 import org
.eclipse
.swt
.layout
.GridData
;
17 import org
.eclipse
.swt
.layout
.GridLayout
;
18 import org
.eclipse
.swt
.widgets
.Button
;
19 import org
.eclipse
.swt
.widgets
.Composite
;
20 import org
.eclipse
.swt
.widgets
.Control
;
21 import org
.eclipse
.swt
.widgets
.Label
;
22 import org
.eclipse
.swt
.widgets
.ToolBar
;
23 import org
.eclipse
.swt
.widgets
.ToolItem
;
25 /** Manages {@link Section} in a tab-like structure. */
26 public class TabbedArea
extends Composite
{
27 private static final long serialVersionUID
= 8659669229482033444L;
29 private Composite headers
;
30 private Composite body
;
32 private List
<Section
> sections
= new ArrayList
<>();
34 private Node previousNode
;
35 private CmsUiProvider previousUiProvider
;
36 private CmsUiProvider currentUiProvider
;
38 private String tabStyle
;
39 private String tabSelectedStyle
;
40 private String bodyStyle
;
41 private Image closeIcon
;
43 public TabbedArea(Composite parent
, int style
) {
45 CmsUiUtils
.style(parent
, bodyStyle
);
47 setLayout(CmsUiUtils
.noSpaceGridLayout());
49 // TODO manage tabs at bottom or sides
50 headers
= new Composite(this, SWT
.NONE
);
51 headers
.setLayoutData(CmsUiUtils
.fillWidth());
52 body
= new Composite(this, SWT
.NONE
);
53 body
.setLayoutData(CmsUiUtils
.fillAll());
54 body
.setLayout(new FormLayout());
58 protected void refreshTabHeaders() {
59 int tabCount
= sections
.size() > 0 ? sections
.size() : 1;
60 for (Control tab
: headers
.getChildren())
63 headers
.setLayout(CmsUiUtils
.noSpaceGridLayout(new GridLayout(tabCount
, true)));
65 if (sections
.size() == 0) {
66 Composite emptyHeader
= new Composite(headers
, SWT
.NONE
);
67 emptyHeader
.setLayoutData(CmsUiUtils
.fillAll());
68 emptyHeader
.setLayout(new GridLayout());
69 Label lbl
= new Label(emptyHeader
, SWT
.NONE
);
71 lbl
.setLayoutData(new GridData(SWT
.CENTER
, SWT
.CENTER
, true, false));
75 Section currentSection
= getCurrentSection();
76 for (Section section
: sections
) {
77 boolean selected
= section
== currentSection
;
78 Composite sectionHeader
= section
.createHeader(headers
);
79 CmsUiUtils
.style(sectionHeader
, selected ? tabSelectedStyle
: tabStyle
);
80 int headerColumns
= 2;
81 sectionHeader
.setLayout(new GridLayout(headerColumns
, false));
82 sectionHeader
.setLayout(CmsUiUtils
.noSpaceGridLayout(headerColumns
));
83 Button title
= new Button(sectionHeader
, SWT
.FLAT
);
84 CmsUiUtils
.style(title
, selected ? tabSelectedStyle
: tabStyle
);
85 title
.setLayoutData(CmsUiUtils
.fillWidth());
86 title
.addSelectionListener((Selected
) (e
) -> showTab(tabIndex(section
.getNode())));
87 Node node
= section
.getNode();
88 title
.setText(Jcr
.getTitle(node
));
89 ToolBar toolBar
= new ToolBar(sectionHeader
, SWT
.NONE
);
90 ToolItem closeItem
= new ToolItem(toolBar
, SWT
.FLAT
);
91 if (closeIcon
!= null)
92 closeItem
.setImage(closeIcon
);
94 closeItem
.setText("X");
95 CmsUiUtils
.style(closeItem
, selected ? tabSelectedStyle
: tabStyle
);
96 closeItem
.addSelectionListener((Selected
) (e
) -> closeTab(section
));
101 public void view(CmsUiProvider uiProvider
, Node context
) {
102 if (body
.isDisposed())
104 int index
= tabIndex(context
);
107 previousNode
= context
;
108 previousUiProvider
= uiProvider
;
111 Section section
= (Section
) body
.getChildren()[0];
112 previousNode
= section
.getNode();
113 if (previousNode
== null) {// empty state
114 previousNode
= context
;
115 previousUiProvider
= uiProvider
;
117 previousUiProvider
= currentUiProvider
;
119 currentUiProvider
= uiProvider
;
120 section
.setNode(context
);
121 section
.setLayoutData(CmsUiUtils
.coverAll());
122 build(section
, uiProvider
, context
);
123 if (sections
.size() == 0)
124 sections
.add(section
);
129 public void open(CmsUiProvider uiProvider
, Node context
) {
130 if (previousNode
!= null && Jcr
.getIdentifier(previousNode
).equals(Jcr
.getIdentifier(context
))) {
134 if (sections
.size() == 0)
135 CmsUiUtils
.clear(body
);
136 Section currentSection
= getCurrentSection();
137 int currentIndex
= sections
.indexOf(currentSection
);
138 Section previousSection
= new Section(body
, SWT
.NONE
, context
);
139 build(previousSection
, previousUiProvider
, previousNode
);
140 previousSection
.setLayoutData(CmsUiUtils
.coverAll());
141 sections
.add(currentIndex
+ 1, previousSection
);
146 public void showTab(int index
) {
147 Section sectionToShow
= sections
.get(index
);
148 sectionToShow
.moveAbove(null);
153 protected void build(Section section
, CmsUiProvider uiProvider
, Node context
) {
154 for (Control child
: section
.getChildren())
156 CmsUiUtils
.style(section
, bodyStyle
);
157 section
.setNode(context
);
158 uiProvider
.createUiPart(section
, context
);
162 private int tabIndex(Node node
) {
163 for (int i
= 0; i
< sections
.size(); i
++) {
164 Section section
= sections
.get(i
);
165 if (Jcr
.getIdentifier(section
.getNode()).equals(Jcr
.getIdentifier(node
)))
171 public void closeTab(Section section
) {
172 int currentIndex
= sections
.indexOf(section
);
173 int nextIndex
= currentIndex
== 0 ?
0 : currentIndex
- 1;
174 sections
.remove(section
);
176 if (sections
.size() == 0) {
186 protected void emptyState() {
187 new Section(body
, SWT
.NONE
, null);
191 public Composite
getCurrent() {
192 return getCurrentSection();
195 protected Section
getCurrentSection() {
196 return (Section
) body
.getChildren()[0];
199 public void setTabStyle(String tabStyle
) {
200 this.tabStyle
= tabStyle
;
203 public void setTabSelectedStyle(String tabSelectedStyle
) {
204 this.tabSelectedStyle
= tabSelectedStyle
;
207 public void setBodyStyle(String bodyStyle
) {
208 this.bodyStyle
= bodyStyle
;
211 public void setCloseIcon(Image closeIcon
) {
212 this.closeIcon
= closeIcon
;