/[cvs]/nfo/js/com.cross-browser.cbe/cbe_util.js
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Annotation of /nfo/js/com.cross-browser.cbe/cbe_util.js

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Revision 1.1 - (hide annotations)
Fri Apr 18 16:14:42 2003 UTC (21 years, 2 months ago) by joko
Branch: MAIN
CVS Tags: HEAD
File MIME type: application/javascript
rest of main cbe include files (currently not required)

1 joko 1.1 /* cbe_util.js $Revision: 0.14 $
2     * CBE v4.19, Cross-Browser DHTML API from Cross-Browser.com
3     * Copyright (c) 2002 Michael Foster (mike@cross-browser.com)
4     * Distributed under the terms of the GNU LGPL from gnu.org
5     */
6     // visit function returns: 0 == stop, 1 == continue, 2 == skip subtree
7     function cbeTraverseTree(order, startNode, visitFunction, data) {
8     cbeTraversePreOrder(startNode, 0, 0, visitFunction, data);
9     }
10     function cbeTraversePreOrder(node, level, branch, vFn, data) {
11     var ret = vFn(node,level,branch,data);
12     if (!ret) return 0;
13     if (ret == 1 && node.firstChild) {
14     var child = node.firstChild;
15     while (child) {
16     if (!level) ++branch;
17     if (!cbeTraversePreOrder(child,level+1,branch,vFn,data)) return 1;
18     child = child.nextSibling;
19     }
20     }
21     return 1;
22     }
23     var cbeImageCount=0;
24     var cbeImageObj = new Array();
25     var cbeImageName = new Array();
26     function cbeNewImage(imgName, imgUrl, imgWidth, imgHeight) {
27     var imgObj;
28     if (arguments.length == 4) imgObj = new Image(imgWidth,imgHeight);
29     else imgObj = new Image();
30     imgObj.src = imgUrl;
31     imgObj.id = imgObj.name = imgName;
32     cbeImageObj[cbeImageCount] = imgObj;
33     cbeImageName[cbeImageCount++] = imgName;
34     return imgObj;
35     }
36     function cbeSetImage(tagImg, preloadedImg) {
37     var t, p;
38     if (typeof(tagImg)=='string') t = cbeGetImageByName(tagImg);
39     else t = tagImg;
40     if (typeof(preloadedImg)=='string') p = cbeGetImageByName(preloadedImg);
41     else p = preloadedImg;
42     t.src = p.src;
43     }
44     function cbeGetImageByName(imgName) {
45     var i, j;
46     if (document.images[imgName]) return document.images[imgName];
47     if (is.nav4) {
48     for (i = 0; i < cbeAll.length; i++) {
49     if (cbeAll[i].ele.document) {
50     for (j = 0; j < cbeAll[i].ele.document.images.length; j++) {
51     if (imgName == cbeAll[i].ele.document.images[j].name) return cbeAll[i].ele.document.images[j];
52     }
53     }
54     }
55     }
56     for (i = 0; i < cbeImageName.length; i++) {
57     if (cbeImageName[i] == imgName) return cbeImageObj[i];
58     }
59     return null;
60     }
61     function cbeGetFormByName(frmName) {
62     var i, j;
63     if (document.forms[frmName]) return document.forms[frmName];
64     if (is.nav4) {
65     for (i = 0; i < cbeAll.length; i++) {
66     if (cbeAll[i].ele.document) {
67     for (j = 0; j < cbeAll[i].ele.document.forms.length; j++) {
68     if (frmName == cbeAll[i].ele.document.forms[j].name) return cbeAll[i].ele.document.forms[j];
69     }
70     }
71     }
72     }
73     return null;
74     }
75     // cookie implementations based on code from Netscape Javascript Guide
76     function cbeSetCookie(name, value, expire, path) {
77     document.cookie = name + "=" + escape(value) + ((!expire) ? "" : ("; expires=" + expire.toGMTString())) + "; path=/";
78     }
79     function cbeGetCookie(name) {
80     var value=null, search=name+"=";
81     if (document.cookie.length > 0) {
82     var offset = document.cookie.indexOf(search);
83     if (offset != -1) {
84     offset += search.length;
85     var end = document.cookie.indexOf(";", offset);
86     if (end == -1) end = document.cookie.length;
87     value = unescape(document.cookie.substring(offset, end));
88     }
89     }
90     return value;
91     }
92     function cbeGetURLArguments() {
93     var idx = location.href.indexOf('?');
94     var params = new Array();
95     if (idx != -1) {
96     var pairs = location.href.substring(idx+1, location.href.length).split('&');
97     for (var i=0; i<pairs.length; i++) {
98     nameVal = pairs[i].split('=');
99     params[i] = nameVal[1];
100     params[nameVal[0]] = nameVal[1];
101     }
102     }
103     return params;
104     }
105     function cbePad(str, finalLen, padChar, left) {
106     if (left) { for (var i=str.length; i<finalLen; ++i) str = padChar + str; }
107     else { for (var i=str.length; i<finalLen; ++i) str += padChar; }
108     return str;
109     }
110     function cbeHexString(n, digits, prefix) {
111     var p = '', n = Math.ceil(n);
112     if (prefix) p = prefix;
113     n = n.toString(16);
114     for (var i=0; i < digits - n.length; ++i) {
115     p += '0';
116     }
117     return p + n;
118     }
119     function cbeRadians(deg) { return deg * (Math.PI / 180); }
120     function cbeDegrees(rad) { return rad * (180 / Math.PI); }
121     function cbeAddDragResizeListener(cbe) {
122     cbe.addEventListener('dragStart', cbeDragResizeStartListener);
123     cbe.addEventListener('drag', cbeDragResizeListener);
124     }
125     function cbeRemoveDragResizeListener(cbe) {
126     cbe.removeEventListener('dragStart', cbeDragResizeStartListener);
127     cbe.removeEventListener('drag', cbeDragResizeListener);
128     }
129     function cbeDragResizeStartListener(e) {
130     if (e.offsetX > (e.cbeCurrentTarget.width() - 20) && e.offsetY > (e.cbeCurrentTarget.height() - 20)) {
131     e.cbeCurrentTarget.isResizing = true;
132     }
133     else e.cbeCurrentTarget.isResizing = false;
134     }
135     function cbeDragResizeListener(e) {
136     if (e.cbeCurrentTarget.isResizing) e.cbeCurrentTarget.resizeBy(e.dx, e.dy);
137     else e.cbeCurrentTarget.moveBy(e.dx, e.dy);
138     }
139     var cbeUtilJsLoaded = true;
140     // End cbe_util.js

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