root / src / gr / grnet / pithos / web / client / PithosDisclosurePanel.java @ 67d30f02
History | View | Annotate | Download (5.2 kB)
1 |
/*
|
---|---|
2 |
* Copyright 2012-2013 GRNET S.A. All rights reserved.
|
3 |
*
|
4 |
* Redistribution and use in source and binary forms, with or
|
5 |
* without modification, are permitted provided that the following
|
6 |
* conditions are met:
|
7 |
*
|
8 |
* 1. Redistributions of source code must retain the above
|
9 |
* copyright notice, this list of conditions and the following
|
10 |
* disclaimer.
|
11 |
*
|
12 |
* 2. Redistributions in binary form must reproduce the above
|
13 |
* copyright notice, this list of conditions and the following
|
14 |
* disclaimer in the documentation and/or other materials
|
15 |
* provided with the distribution.
|
16 |
*
|
17 |
* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
|
18 |
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
19 |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
20 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
|
21 |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
22 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
23 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
24 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
25 |
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
26 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
27 |
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
28 |
* POSSIBILITY OF SUCH DAMAGE.
|
29 |
*
|
30 |
* The views and conclusions contained in the software and
|
31 |
* documentation are those of the authors and should not be
|
32 |
* interpreted as representing official policies, either expressed
|
33 |
* or implied, of GRNET S.A.
|
34 |
*/
|
35 |
|
36 |
package gr.grnet.pithos.web.client; |
37 |
|
38 |
import com.google.gwt.event.logical.shared.CloseEvent; |
39 |
import com.google.gwt.event.logical.shared.CloseHandler; |
40 |
import com.google.gwt.event.logical.shared.OpenEvent; |
41 |
import com.google.gwt.event.logical.shared.OpenHandler; |
42 |
import com.google.gwt.resources.client.ClientBundle; |
43 |
import com.google.gwt.resources.client.CssResource; |
44 |
import com.google.gwt.resources.client.ImageResource; |
45 |
import com.google.gwt.user.client.ui.*; |
46 |
|
47 |
public class PithosDisclosurePanel extends Composite { |
48 |
|
49 |
public interface Style extends CssResource { |
50 |
String disclosurePanel();
|
51 |
|
52 |
String header();
|
53 |
|
54 |
String arrow();
|
55 |
|
56 |
String content();
|
57 |
} |
58 |
|
59 |
public interface Resources extends ClientBundle { |
60 |
@Source("PithosDisclosurePanel.css") |
61 |
Style pithosDisclosurePanelCss();
|
62 |
|
63 |
@Source("upArrow.png") |
64 |
ImageResource icon(); |
65 |
|
66 |
@Source("upArrow.png") |
67 |
ImageResource open(); |
68 |
|
69 |
@Source("downArrow.png") |
70 |
ImageResource closed(); |
71 |
|
72 |
@Source("gr/grnet/pithos/resources/ajax-loader.gif") |
73 |
ImageResource ajaxLoader(); |
74 |
} |
75 |
|
76 |
private final DisclosurePanel panel; |
77 |
private final Resources resources; |
78 |
private final String title; |
79 |
|
80 |
public PithosDisclosurePanel(final Resources _resources, final String title, boolean open) { |
81 |
this(_resources, title, false, open); |
82 |
} |
83 |
|
84 |
public PithosDisclosurePanel(final Resources _resources, final String title, boolean ajaxLoader, boolean open) { |
85 |
this.title = title;
|
86 |
|
87 |
this.resources = _resources;
|
88 |
resources.pithosDisclosurePanelCss().ensureInjected(); |
89 |
this.panel = new DisclosurePanel(); |
90 |
panel.addStyleName(resources.pithosDisclosurePanelCss().disclosurePanel()); |
91 |
panel.setHeader(createHeader(resources, title, ajaxLoader, open)); |
92 |
panel.setOpen(open); |
93 |
|
94 |
if(!ajaxLoader) {
|
95 |
addOpenCloseHandlers(); |
96 |
} |
97 |
|
98 |
initWidget(panel); |
99 |
} |
100 |
|
101 |
private void addOpenCloseHandlers() { |
102 |
panel.addOpenHandler(new OpenHandler<DisclosurePanel>() {
|
103 |
@Override
|
104 |
public void onOpen(OpenEvent<DisclosurePanel> event) { |
105 |
panel.setHeader(createHeader(resources, title, false, true)); |
106 |
} |
107 |
}); |
108 |
panel.addCloseHandler(new CloseHandler<DisclosurePanel>() {
|
109 |
|
110 |
@Override
|
111 |
public void onClose(CloseEvent<DisclosurePanel> event) { |
112 |
panel.setHeader(createHeader(resources, title, false, false)); |
113 |
} |
114 |
}); |
115 |
} |
116 |
|
117 |
public void setLoaded(boolean open) { |
118 |
this.panel.setHeader(createHeader(resources, title, false, open)); |
119 |
addOpenCloseHandlers(); |
120 |
} |
121 |
|
122 |
Widget createHeader(Resources resources, String title, boolean ajaxLoader, boolean open) { |
123 |
HorizontalPanel header = new HorizontalPanel();
|
124 |
|
125 |
Image img = new Image(resources.icon()); |
126 |
header.add(img); |
127 |
header.setCellVerticalAlignment(img, HasVerticalAlignment.ALIGN_MIDDLE); |
128 |
header.setCellWidth(img, "32px");
|
129 |
HTML titleHtml = new HTML(title); |
130 |
header.add(titleHtml); |
131 |
header.setCellVerticalAlignment(titleHtml, HasVerticalAlignment.ALIGN_MIDDLE); |
132 |
Image arrow = new Image(ajaxLoader ? resources.ajaxLoader() : open ? resources.open() : resources.closed()); |
133 |
arrow.addStyleName(resources.pithosDisclosurePanelCss().arrow()); |
134 |
header.add(arrow); |
135 |
header.setCellHorizontalAlignment(arrow, HasHorizontalAlignment.ALIGN_RIGHT); |
136 |
header.setCellVerticalAlignment(arrow, HasVerticalAlignment.ALIGN_MIDDLE); |
137 |
|
138 |
header.addStyleName(resources.pithosDisclosurePanelCss().header()); |
139 |
return header;
|
140 |
} |
141 |
|
142 |
public void setContent(Widget widget) { |
143 |
panel.setContent(widget); |
144 |
panel.getContent().removeStyleName("content");
|
145 |
panel.getContent().addStyleName(resources.pithosDisclosurePanelCss().content()); |
146 |
} |
147 |
} |