/** overlay info -- show the information for toolbuttons * Creates a http request object for ajax interface to defininition of information * from a php file. Makes a div to information show * insert in index (important! after -tag for Safari-conpatibility): * var akaInfo = new aka_overlay(PHP file get Ajax variables); * to use: akaInfo.show(key); akaInfo.hide(); * * @author Andrey Karachev * */ aka_x = 0; aka_y = 0; aka_all = new Object(); http_overlay = createRequestObject(); function aka_overlay(file) { this.show = aka_show; this.hide = aka_hide; this.tshow = aka_show_text; this.space_x = 10; this.space_y = 10; this.show_time = 2000; document.onmousemove = aka_position; this.error_text = 'The information for "%key%" doesn\'t exist!'; aka_all['test'] = 'It is a test for the overlay'; aka_all['aka_error'] = this.error_text; http_overlay.open('get', file); http_overlay.onreadystatechange = handleOverlay; http_overlay.send(null); aka_area = '

'; document.write(aka_area); } function createRequestObject() { var ro; if(navigator.appName.search("Microsoft") > -1) { if(ro = new ActiveXObject("Microsoft.XMLHTTP")); else if (ro = new ActiveXObject("MSXML2.XMLHTTP")); } else { ro = new XMLHttpRequest(); } return ro; } function aka_position(e) { if(!e) e = window.event || arguments.callee.caller.arguments[0]; if(document.all) { aka_x = e.clientX; aka_y = e.clientY; } else if(document.getElementById) { aka_x = e.pageX; aka_y = e.pageY; } } function aka_win_width () { if (window.innerWidth) { return window.innerWidth; } else if(document.documentElement.offsetWidth) { return document.documentElement.offsetWidth; } else if (document.body && document.body.offsetWidth) { return document.body.offsetWidth; } else { return 0; } } function aka_win_height () { if (window.innerHeight) { return window.innerHeight; } else if(document.documentElement.offsetHeight) { return document.documentElement.offsetHeight; } else if (document.body && document.body.offsetHeight) { return document.body.offsetHeight; } else { return 0; } } function aka_show(id) { document.onmousemove = aka_position; document.onmouseover = aka_position; /* e = window.event || arguments.callee.caller.arguments[0]; if (e.target) targ = e.target; else if (e.srcElement) targ = e.srcElement; if (targ.nodeType == 3) // defeat Safari bug targ = targ.parentNode; alert(targ.id); */ info = ""; if(aka_all[id]) info = aka_all[id]; else info = this.error_text.replace(/%key%/, id); document.getElementById('aka_info').style.left = aka_x + "px"; document.getElementById('aka_info').style.top = aka_y + "px"; document.getElementById('aka_info').innerHTML = info; document.getElementById('aka_info').style.display = "block"; l = document.getElementById('aka_info').offsetWidth; h = document.getElementById('aka_info').offsetHeight; size = get_window_size(); x = aka_x + this.space_x; y = aka_y + this.space_y; if(x > (size[0] - l)) x -= l; if(y > (size[1] - h)) y -= h; if(aka_y < (y + h) && aka_y > y) y = aka_y - h - 3; document.getElementById('aka_info').style.left = x + "px"; document.getElementById('aka_info').style.top = y + "px"; aktiv = window.setTimeout("aka_hide()", this.show_time); } function aka_show_text(info) { document.onmousemove = aka_position; document.onmouseover = aka_position; document.getElementById('aka_info').style.left = aka_x + "px"; document.getElementById('aka_info').style.top = aka_y + "px"; document.getElementById('aka_info').innerHTML = info; document.getElementById('aka_info').style.display = "block"; l = document.getElementById('aka_info').offsetWidth; h = document.getElementById('aka_info').offsetHeight; size = get_window_size(); x = aka_x + this.space_x; y = aka_y + this.space_y; if(x > (size[0] - l)) x -= l; if(y > (size[1] - h)) y -= h; if(aka_y < (y + h) && aka_y > y) y = aka_y - h - 3; document.getElementById('aka_info').style.left = x + "px"; document.getElementById('aka_info').style.top = y + "px"; aktiv = window.setTimeout("aka_hide()", this.show_time); } function aka_hide() { document.onmousemove = aka_position; window.clearTimeout(aktiv); document.getElementById('aka_info').style.display = "none"; document.getElementById('aka_info').innerHTML = ""; } function handleOverlay() { if((http_overlay.readyState == 4) && (http_overlay.status == 200)) { var response = http_overlay.responseText; if(response.indexOf('|') != -1) { var update = new Array(); update = response.split('|'); for(i = 0; i < update.length; i+=2) { if(update[i + 1] || update[i + 1] == "") { aka_all[update[i]] = update[i + 1]; } } } } } function get_window_size() { res = new Array(0,0); if(navigator.userAgent.search(/MSIE 6/) != -1) { res[0] = document.documentElement.scrollLeft + document.documentElement.clientWidth; res[1] = document.documentElement.scrollTop + document.documentElement.clientHeight; } else { res[0] = window.pageXOffset + window.innerWidth; res[1] = window.pageYOffset + window.innerHeight; } return res; }