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14 package org.wings.plaf.css;
15
16
17 import org.wings.*;
18 import org.wings.io.Device;
19 import org.wings.session.SessionManager;
20
21 import java.io.IOException  ;
22
23 public class MenuCG extends org.wings.plaf.css.MenuItemCG implements
24 org.wings.plaf.MenuCG {
25
26 public void installCG(final SComponent comp) {
27 super.installCG(comp);
28 }
29
30 public void uninstallCG(final SComponent comp) {
31 }
32
33 public void writePopup(final Device device, SMenu menu)
34 throws IOException {
35 String componentId = menu.getName();
36 if (menu.isEnabled()) {
37 device.print("<ul");
38 writeListAttributes(device, menu);
39 device.print(" class=\"SMenu\">");
40 for (int i = 0; i < menu.getMenuComponentCount(); i++) {
41 SComponent menuItem = menu.getMenuComponent(i);
42
43 if (menuItem.isVisible()) {
44 device.print("<li");
45 if (menuItem instanceof SMenu) {
46 if (menuItem.isEnabled()) {
47 device.print(" class=\"SMenu\"");
48 } else {
49 device.print(" class=\"SMenu_Disabled\"");
50 }
51 } else {
52 if (menuItem.isEnabled()) {
53 device.print(" class=\"SMenuItem\"");
54 } else {
55 device.print(" class=\"SMenuItem_Disabled\"");
56 }
57 }
58 device.print(">");
59 if (menuItem instanceof SMenuItem) {
60 device.print("<a");
61 if (menuItem.isEnabled()) {
62 device.print(" HREF=\"");
63 writeAnchorAddress(device, (SMenuItem) menuItem);
64 device.print("\"");
65 }
66 if (menuItem instanceof SMenu) {
67 if (menuItem.isEnabled()) {
68 device.print(" class=\"x\"");
69 } else {
70 device.print(" class=\"y\"");
71 }
72 }
73 device.print(">");
74 }
75 menuItem.write(device);
76 if (menuItem instanceof SMenuItem) {
77 device.print("</a>");
78 }
79 if (menuItem.isEnabled() && menuItem instanceof SMenu) {
80 ((SMenu)menuItem).writePopup(device);
81 }
82 device.print("</li>\n");
83 }
84 }
85 device.print("</ul>");
86 }
87 device.print("\n");
88 }
89
90
97 protected void writeListAttributes(final Device device, SMenu menu) throws IOException {
98 if (menu.getParentMenu() != null) {
99 int maxLength = 0;
101 for (int i = 0; i < menu.getMenuComponentCount(); i++) {
102 if (!(menu.getMenuComponent(i) instanceof SMenuItem))
103 continue;
104 String text = ((SMenuItem)menu.getMenuComponent(i)).getText();
105 if (text != null && text.length() > maxLength) {
106 maxLength = text.length();
107 if (menu.getMenuComponent(i) instanceof SMenu) {
108 maxLength = maxLength + 2; }
110 }
111 }
112 device.print(" style=\"width:");
113 String stringLength = String.valueOf(maxLength * menu.getWidthScaleFactor());
114 device.print(stringLength.substring(0,stringLength.lastIndexOf('.')+2));
115 device.print("em;\"");
116 } else {
117 device.print(" id=\"");
118 device.print(menu.getName());
119 device.print("_pop\"");
120 }
121 }
122
123 protected void writeItem(final Device device, SMenuItem menu)
124 throws IOException {
125 writeItemContent(device, menu);
126 }
127
128 protected void writeAnchorAddress(Device d, SAbstractButton abstractButton)
129 throws IOException {
130 RequestURL addr = abstractButton.getRequestURL();
131 addr.addParameter(abstractButton,
132 abstractButton.getToggleSelectionParameter());
133 addr.write(d);
134 }
135
136 public void writeContent(final Device device,
137 final SComponent _c)
138 throws IOException {
139 SMenu menu = (SMenu) _c;
140 boolean hasParent = menu.getParentMenu() != null;
141 if (hasParent) {
142 writeItem(device, menu);
143 } else {
144 SessionManager.getSession().getCGManager().getPrefixSuffixDelegate().writePrefix(device, _c);
145 writePopup(device, menu);
146 SessionManager.getSession().getCGManager().getPrefixSuffixDelegate().writeSuffix(device, _c);
147 }
148
149 }
150 }
151 |
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