Source Code Cross Referenced for CSS.java in  » Ajax » MyGWT » net » mygwt » ui » client » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

01:        /*
02:         * MyGWT Widget Library
03:         * Copyright(c) 2007, MyGWT.
04:         * licensing@mygwt.net
05:         * 
06:         * http://mygwt.net/license
07:         */
08:        package net.mygwt.ui.client.util;
09:
10:        import net.mygwt.ui.client.MyDOM;
11:
12:        import com.google.gwt.user.client.DOM;
13:        import com.google.gwt.user.client.Element;
14:
15:        /**
16:         * Provides functions for removing and adding stylesheets.
17:         */
18:        public class CSS {
19:
20:            /**
21:             * Removes a style or link tag by id.
22:             * 
23:             * @param id the id of the tag
24:             */
25:            public static void removeStyleSheet(String id) {
26:                Element elem = DOM.getElementById(id);
27:                if (elem != null) {
28:                    Element p = DOM.getParent(elem);
29:                    DOM.setElementProperty(p, "disabled", "disabled");
30:                    DOM.removeChild(p, elem);
31:                }
32:            }
33:
34:            /**
35:             * Adds a stylesheet to the document.
36:             * 
37:             * @param id the id
38:             * @param url the stylesheet url
39:             */
40:            public static void addStyleSheet(String id, String url) {
41:                Element link = DOM.createElement("link");
42:                DOM.setElementProperty(link, "rel", "stylesheet");
43:                DOM.setElementProperty(link, "type", "text/css");
44:                DOM.setElementProperty(link, "id", id);
45:                DOM.setElementProperty(link, "href", url);
46:                DOM.setElementProperty(link, "disabled", "");
47:                Element elem = MyDOM.getHead();
48:                DOM.appendChild(elem, link);
49:            }
50:
51:            /**
52:             * Adds a rules string in a <code>&ltdstyle&gt&ltd/style&gt</code> element.
53:             * 
54:             * @param style the <code>&ltdstyle&gt&ltd/style&gt</code> element
55:             * @param cssStr the rules string
56:             */
57:            native public static void setRules(Element style, String cssStr) /*-{
58:              style.setAttribute("type", "text/css");
59:              if(style.styleSheet){// IE
60:               style.styleSheet.cssText = cssStr;
61:              } else {// w3c
62:               while (style.firstChild) {
63:                style.removeChild(style.firstChild);
64:               }
65:               var cssText = $doc.createTextNode(cssStr);
66:               style.appendChild(cssText);
67:              }
68:             }-*/;
69:
70:        }