*new* JavaScript from left.php

ChangeLog

@@ -8,6 +8,7 @@ $Source$
 2006-09-22 Sebastian Mendel <cybot_tm@users.sourceforge.net>
     * libraries/ob.lib.php: refactored
     * left.php: cleanup
+    * js/navigation.js: *new* JavaScript from left.php
 
 2006-09-21 Sebastian Mendel <cybot_tm@users.sourceforge.net>
     * libraries/PMA_List.class.php: new PMA_List class

js/navigation.js

@@ -0,0 +1,125 @@
+var today = new Date();
+var expires = new Date(today.getTime() + (56 * 86400000));
+var pma_navi_width;
+var pma_saveframesize_timeout = null;
+
+/**
+ * opens/closes (hides/shows) tree elements
+ *
+ * @param   string  id          id of the element in the DOM
+ * @param   boolean only_open   do not close/hide element
+ */
+function toggle(id, only_open) {
+    var el = document.getElementById('subel' + id);
+    if (! el) {
+        return false;
+    }
+
+    var img = document.getElementById('el' + id + 'Img');
+
+    if (el.style.display == 'none' || only_open) {
+        el.style.display = '';
+        if (img) {
+            img.src = image_minus;
+            img.alt = '-';
+        }
+    } else {
+        el.style.display = 'none';
+        if (img) {
+            img.src = image_plus;
+            img.alt = '+';
+        }
+    }
+    return true;
+}
+
+function PMA_callFunctionDelayed(myfunction, delay)
+{
+    if (typeof pma_saveframesize_timeout == "number") {
+         window.clearTimeout(pma_saveframesize_timeout);
+        pma_saveframesize_timeout = null;
+    }
+}
+
+/**
+ * saves current navigation frame width in a cookie
+ * usally called on resize of the navigation frame
+ */
+function PMA_saveFrameSizeReal()
+{
+    pma_navi_width = document.getElementById('body_leftFrame').offsetWidth
+    //alert('from DOM: ' + typeof(pma_navi_width) + ' : ' + pma_navi_width);
+    if (pma_navi_width > 0) {
+        PMA_setCookie('pma_navi_width', pma_navi_width, expires);
+        //alert('framesize saved');
+    }
+}
+
+/**
+ * calls PMA_saveFrameSizeReal with delay
+ */
+function PMA_saveFrameSize()
+{
+    //alert(typeof(pma_saveframesize_timeout) + ' : ' + pma_saveframesize_timeout);
+
+    if (typeof pma_saveframesize_timeout == "number") {
+        window.clearTimeout(pma_saveframesize_timeout);
+        pma_saveframesize_timeout = null;
+    }
+
+    pma_saveframesize_timeout = window.setTimeout(PMA_saveFrameSizeReal, 2000);
+}
+
+/**
+ * sets navigation frame width to the value stored in the cookie
+ * usally called on document load
+ */
+function PMA_setFrameSize()
+{
+    pma_navi_width = PMA_getCookie('pma_navi_width');
+    //alert('from cookie: ' + typeof(pma_navi_width) + ' : ' + pma_navi_width);
+    if (pma_navi_width != null) {
+        parent.document.getElementById('mainFrameset').cols = pma_navi_width + ',*';
+        //alert('framesize set');
+    }
+}
+
+/**
+ * retrieves a named value from cookie
+ *
+ * @param   string  name    name of the value to retrieve
+ * @return  string  value   value for the given name from cookie
+ */
+function PMA_getCookie(name) {
+    var start = document.cookie.indexOf(name + "=");
+    var len = start + name.length + 1;
+    if ((!start) && (name != document.cookie.substring(0, name.length))) {
+        return null;
+    }
+    if (start == -1) {
+        return null;
+    }
+    var end = document.cookie.indexOf(";", len);
+    if (end == -1) {
+        end = document.cookie.length;
+    }
+    return unescape(document.cookie.substring(len,end));
+}
+
+/**
+ * stores a named value into cookie
+ *
+ * @param   string  name    name of value
+ * @param   string  value   value to be stored
+ * @param   Date    expires expire time
+ * @param   string  path
+ * @param   string  domain
+ * @param   boolean secure
+ */
+function PMA_setCookie(name, value, expires, path, domain, secure) {
+    document.cookie = name + "=" + escape(value) +
+        ( (expires) ? ";expires=" + expires.toGMTString() : "") +
+        ( (path)    ? ";path=" + path : "") +
+        ( (domain)  ? ";domain=" + domain : "") +
+        ( (secure)  ? ";secure" : "");
+}