PHP Classes

File: sidemenu.js

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File: sidemenu.js
Role: Auxiliary data
Content type: text/plain
Description: Class to handle the menu
Class: PHP side menu generator
Generate hierarchical menus defined in XML files
Author: By
Last change: Update of sidemenu.js
Date: 2 months ago
Size: 3,491 bytes
 

Contents

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/* * sidemenu handler class * * @package Application * @author Vallo Reima * @copyright (C)2012 */ function SideMenu() { var ics = [/* menu icons */ 'iclosed.gif', 'iopened.gif' ]; var evs = []; /* evs list */ var sld; /* menu selected object */ var that = this; var Init = function() /* * setup */ { var c = $$('sct', 'img')[0].src; c = c.substring(0, c.lastIndexOf('/') + 1); for (var i in ics) { /* preload images */ var cc = ics[i]; ics[i] = new Image(); ics[i].src = c + cc; } Adjust(); Events(); sld = $$('menu', 'a')[0]; }; var Events = function() /* * attach menu & window events */ { var obs = $$('menu', 'li'); for (var i = 0; i < obs.length; i++) { /* complete menu sections */ var obj = $$(obs[i], 'a')[0]; var img = $$(obs[i], 'img'); if (img.length > 0) { /* this is a knot */ evs.push([img[0], 'click', Expander]); evs.push([obj, 'click', Expander]); } else { evs.push([obj, 'click', Action]); } } evs.push([window, 'resize', Adjust]); for (i = 0; i < evs.length; i++) { AttachEventListener(evs[i][0], evs[i][1], evs[i][2]); } }; var Expander = function(event) /* * (un)expand submenu */ { var trg = Target(event); if (trg.tagName.toLowerCase() === 'a') { var knot = trg.name; var flg = true; } else { knot = trg.nextSibling.name; flg = false; } var mrk = $(knot + '_mrk'); var f = (mrk.src === ics[0].src); if (!flg || (flg && f)) { mrk.src = f ? ics[1].src : ics[0].src; $(knot).style.display = f ? 'inline' : 'none'; Adjust(); } if (flg) { Action(event); } else { StopEvent(event); } }; var Action = function(event) /* * indicate selected section */ { var trg = Target(event); StopEvent(event); Path(trg); var c = trg.href.substr(trg.href.indexOf('#') + 1); $('content').innerHTML = c; sld.style.textDecoration = 'none'; trg.style.textDecoration = 'underline'; sld = trg; }; var Path = function(obj) /* * show menu path * in: obj -- menu section object */ { var a = []; var o = obj.parentNode; do { var c = $$(o, 'a')[0].innerHTML; a.unshift(c); o = FindParent(o, 'li'); } while (o); c = a.join(' > '); $('section').innerHTML = c; }; var Adjust = function() /* * adjust menu & content height to window's one */ { var hm = 50; /* minimum contents height */ var h = Height(); if (BrowserName() === 'FF' && window.outerHeight < screen.availHeight && window.innerHeight === document.documentElement.clientHeight) { /* FF problem */ h = h - 17; } h = h - $('head').scrollHeight - $('foot').scrollHeight; if (h < hm) { h = hm; } $('menu').style.height = h + 'px'; $('content').style.height = (h - $('section').scrollHeight) + 'px'; return true; }; that.Term = function() /* * clear evs */ { for (var i = 0; i < evs.length; i++) { DetachEventListener(evs[i][0], evs[i][1], evs[i][2]); } }; Init(); }