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function HISTORY(callback) {
window.dhtmlHistory.create({
toJSON: function(o) {
return Object.toJSON(o);
},
fromJSON: function(s) {
return s.evalJSON();
}
});
dhtmlHistory.initialize();
// dhtmlHistory.addListener(callback);
var curtime = new Date();
this.busy = curtime.getTime();
this.endpos = false;
this.automode = false;
this.started = false;
this.callback = callback;
dhtmlHistory.addListener(this.onHistoryEvent(this));
}
HISTORY.prototype.onHistoryEvent = function(self) {
return function(newLocation, historyData) {
if (newLocation == "__startup__") {
history.forward();
if (!self.automode) {
adeiReportError(translate("History is exhausted"));
}
return;
}
var props = self.GetProps(newLocation);
var hid = self.GetID(newLocation);
var res = self.callback(props, historyData, hid);
self.automode = false;
var curtime = new Date();
self.busy = curtime.getTime();
return res;
}
}
HISTORY.prototype.GetProps = function(res) {
if (typeof res == "undefined")
var res = dhtmlHistory.getCurrentLocation();
return res.replace(/\&history_id=\d+/,"");
}
HISTORY.prototype.GetID = function(res) {
if (typeof res == "undefined")
var res = dhtmlHistory.getCurrentLocation();
var m = /\&history_id=(\d+)/.exec(res);
if (m) return m[1];
return 0;
}
HISTORY.prototype.CreateLocation = function(props, hid) {
/* if (props.indexOf("#")>=0) {*/
var res = props + "&history_id=" + hid;
/* } else {
var res = props + "#history_id=" + hid;
}*/
return res;
}
HISTORY.prototype.Add = function(page, cfg) {
if (!this.started) {
dhtmlHistory.add("__startup__", cfg);
this.started = true;
}
var curtime = new Date();
this.endpos = curtime.getTime();
var loc = this.CreateLocation(page, this.endpos)
dhtmlHistory.add(loc, cfg);
}
HISTORY.prototype.ReplaceLocation = function(new_props, props, hid) {
if (typeof current == "undefined") {
var current = dhtmlHistory.getCurrentLocation();
if (typeof hid == "undefined")
var hid = this.GetID(current);
}
var loc = this.CreateLocation(props, hid)
var new_loc = this.CreateLocation(new_props, hid)
var orig = window.location.toString();
var replacement;
if (orig.match('#')) {
replacement = orig.replace(/#.*$/, '#' + new_loc);
this.AddSynonim(loc, new_loc);
} else replacement = '#' + new_loc;
window.location.replace(replacement);
}
HISTORY.prototype.AddSynonim = function(old_page, new_page) {
var cfg = historyStorage.get(old_page);
if (cfg) {
if (historyStorage.hasKey(new_page))
historyStorage.remove(new_page);
historyStorage.put(new_page, cfg);
}
}
HISTORY.prototype.Back = function() {
if (!this.busy) return;
var curtime = new Date();
if ((curtime.getTime() - this.busy) < 50) return;
this.busy = false;
this.automode = true;
history.back();
}
HISTORY.prototype.Forward = function() {
var pos = this.GetID();
if (pos == this.endpos) return;
if (!this.busy) return;
var curtime = new Date();
if ((curtime.getTime() - this.busy) < 50) return;
// if no room to go forward, the busy flag will remain
this.busy = false;
history.forward();
}
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