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journal: use localstorage instead of cookies in browse.html and store where the current position

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This commit is contained in:
Lennart Poettering 2012-10-11 00:38:20 +02:00
parent 74bee4e336
commit 04909b0f2c
1 changed files with 19 additions and 33 deletions
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52
src/journal/browse.html
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@ -99,7 +99,6 @@
<body>
<!-- TODO:
- live display
- localstorage
- show red lines for reboots -->
<h1 id="title"></h1>
@ -138,33 +137,17 @@
var first_cursor = null;
var last_cursor = null;
function setCookie(name, value, msec) {
var d = new Date();
d.setMilliseconds(d.getMilliseconds() + msec);
var v = escape(value) + "; expires=" + d.toUTCString();
document.cookie = name + "=" + value;
}
function getCookie(name) {
var i, l;
l = document.cookie.split(";");
for (i in l) {
var x, y, j;
j = l[i].indexOf("=");
x = l[i].substr(0, j);
y = l[i].substr(j+1);
if (x == name)
return unescape(y);
}
return null;
}
function getNEntries() {
var n;
n = getCookie("n_entries");
n = localStorage["n_entries"];
if (n == null)
return 50;
return parseInt(n);
n = parseInt(n);
if (n < 10)
return 10;
if (n > 1000)
return 1000;
return n;
}
function showNEntries(n) {
@ -173,12 +156,7 @@
}
function setNEntries(n) {
if (n < 10)
n = 10;
else if (n > 1000)
n = 1000;
setCookie("n_entries", n.toString(), 30*24*60*60*1000);
localStorage["n_entries"] = n.toString();
showNEntries(n);
}
@ -237,6 +215,12 @@
}
function entriesLoad(range) {
if (range == null)
range = localStorage["cursor"];
if (range == null)
range = "";
var request = new XMLHttpRequest();
request.open("GET", "/entries");
request.onreadystatechange = entriesOnResult;
@ -333,7 +317,7 @@
else if (d.SYSLOG_PID != undefined)
buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + lc + '\');">';
buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + d.__CURSOR + '\');">';
if (d.MESSAGE == null)
buf += "[blob data]";
@ -347,8 +331,10 @@
logs.innerHTML = '<tbody>' + buf + '</tbody>';
if (fc != null)
if (fc != null) {
first_cursor = fc;
localStorage["cursor"] = fc;
}
if (lc != null)
last_cursor = lc;
}
@ -434,7 +420,7 @@
}
machineLoad();
entriesLoad("");
entriesLoad(null);
showNEntries(getNEntries());
document.onkeyup = onKeyUp;