819 lines
18 KiB
JavaScript
819 lines
18 KiB
JavaScript
/*
|
|
Copyright (c) 2006, Lorenz Schori <lo@znerol.ch>
|
|
All rights reserved (Naja: Ich hab' trotzdem was geaendert. Sven-Ola). (Naja:
|
|
diese Rechte garantiert dir die BSD-Lizenz ja ausdrücklich. Lorenz)
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
- Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
- Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
- Neither the name of the <ORGANIZATION> nor the names of its contributors may
|
|
be used to endorse or promote products derived from this software without
|
|
specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
|
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
OLSR-Viz is inspired by Wi-viz: http://wiviz.natetrue.com
|
|
|
|
Changes:
|
|
2007-10-04: Added hostname display option -- Stefan Katerkamp <stefan@katerkamp.de>.
|
|
2007-10-04: Optimized display by moving presentation css out of js -- lo
|
|
2010-12-11: Changed some paths to make it work with Kamikaze and Luci -- soma
|
|
*/
|
|
|
|
var cgi_url = "/cgi-bin/vizdata.sh";
|
|
|
|
var maxmetric = 3;
|
|
var iconvariant = "-mini";
|
|
var nodes = new Array();
|
|
var ncount = 0;
|
|
var newnodes = new Array();
|
|
var edges = new Array();
|
|
var iel = 220; // ideal edge length
|
|
var optsize = 10; // boundingbox around nodes
|
|
|
|
var vwidth = 0;
|
|
var vheight = 0;
|
|
|
|
var xoff = 0;
|
|
var yoff = 0;
|
|
var scale = 1.0;
|
|
|
|
var idle_timeout = 15;
|
|
var erase_timeout = 60;
|
|
var dcl_timeout = 250;
|
|
var dcllow_timeout = 500;
|
|
var auto_declump = true;
|
|
var showdesc = true;
|
|
var auto_save = 1;
|
|
var now_secs = 5;
|
|
|
|
// dom elements
|
|
var IFrameObj;
|
|
var maindiv;
|
|
var nodediv;
|
|
var edgediv;
|
|
|
|
/******* CALL TO SERVER ********/
|
|
function callToServer(URL) {
|
|
var IFrameDoc;
|
|
|
|
if (IFrameObj.document) {
|
|
// For IE5 + opera
|
|
IFrameDoc = IFrameObj.document;
|
|
}
|
|
else if (IFrameObj.contentDocument) {
|
|
// For NS6
|
|
IFrameDoc = IFrameObj.contentDocument;
|
|
}
|
|
else if (IFrameObj.contentWindow) {
|
|
// For IE5.5 and IE6
|
|
IFrameDoc = IFrameObj.contentWindow.document;
|
|
}
|
|
else {
|
|
// opera? hmmmm
|
|
return true;
|
|
}
|
|
|
|
IFrameDoc.location.replace(URL);
|
|
return false;
|
|
}
|
|
|
|
|
|
/******** EDGE CLASS ********/
|
|
function edge(n1,n2){
|
|
this.getHTML = function()
|
|
{
|
|
var nh = "";
|
|
|
|
if(this.n1.metric > maxmetric || this.n2.metric > maxmetric) {
|
|
return "";
|
|
}
|
|
|
|
x = this.n1.x*scale;
|
|
y = this.n1.y*scale;
|
|
dx = this.n2.x*scale - x;
|
|
dy = this.n2.y*scale - y;
|
|
|
|
x += xoff*scale + 75;
|
|
y += yoff*scale + 15;
|
|
|
|
imgtag = "<img src='/luci-static/resources/olsr-viz/dot_"
|
|
if (this.etx > 0 && this.etx < 2) {
|
|
imgtag += "good.gif'";
|
|
}
|
|
else if(this.etx > 2 && this.etx < 5) {
|
|
imgtag += "ok.gif'";
|
|
}
|
|
else if(this.etx > 5 && this.etx < 10) {
|
|
imgtag += "weak.gif'";
|
|
}
|
|
else {
|
|
imgtag += "down.gif'";
|
|
}
|
|
imgtag += " alt='ETX: " + this.etx + "' title='ETX: " + this.etx + "' ";
|
|
|
|
d = Math.sqrt(dx*dx+dy*dy);
|
|
|
|
for (j = 0; j < d; j += 15) {
|
|
nh += imgtag + "style='top:"
|
|
+ parseInt(y+dy * j / d) + "px; left:"
|
|
+ parseInt(x+dx * j / d) + "px; "
|
|
+ "width: 4px; height: 4px; position: absolute; z-index: 2' >";
|
|
}
|
|
|
|
nh += "<div style='top:"
|
|
+ parseInt(y+dy * 0.5 - 5) + "px; left:"
|
|
+ parseInt(x+dx * 0.5 - 24) + "px; "
|
|
+ "position: absolute; z-index: 3; width: 48px; text-align: center;' >"
|
|
+ "<span class='label etx' >" + this.etx + "</span></div>";
|
|
|
|
return nh;
|
|
}
|
|
|
|
this.isIdle = function()
|
|
{
|
|
return (now_secs - this.lastseen > idle_timeout);
|
|
}
|
|
|
|
this.isDead = function()
|
|
{
|
|
return (now_secs - this.lastseen > erase_timeout);
|
|
}
|
|
|
|
this.cleanup = function()
|
|
{
|
|
if(this.n1 && this.n1.weight) {
|
|
this.n1.weight--;
|
|
}
|
|
if(this.n2 && this.n2.weight) {
|
|
this.n2.weight--;
|
|
}
|
|
if(this.n1 && this.n2) {
|
|
delete this.n1.edges[n2.ip];
|
|
delete this.n2.edges[n1.ip];
|
|
}
|
|
}
|
|
|
|
this.n1 = n1;
|
|
this.n2 = n2;
|
|
|
|
// setup edges within node objects
|
|
this.n1.weight++;
|
|
this.n1.edges[n2.ip] = this;
|
|
this.n2.weight++;
|
|
this.n2.edges[n1.ip] = this;
|
|
|
|
return this;
|
|
}
|
|
|
|
function getEdgeKey(ip1,ip2)
|
|
{
|
|
key = "";
|
|
if(ip1 > ip2) {
|
|
key = ip2 + "-" + ip1;
|
|
}
|
|
else {
|
|
key = ip1 + "-" + ip2;
|
|
}
|
|
return key;
|
|
}
|
|
|
|
function touch_edge(n1,n2,etx)
|
|
{
|
|
var key = getEdgeKey(n1.ip,n2.ip);
|
|
var e = edges[key];
|
|
if(!e) {
|
|
e = new edge(n1,n2);
|
|
edges[key] = e;
|
|
}
|
|
e.etx = etx;
|
|
e.lastseen = now_secs;
|
|
return e;
|
|
}
|
|
|
|
/******** NODE CLASS ********/
|
|
function node(ip) {
|
|
this.getHTML = function()
|
|
{
|
|
var nh;
|
|
|
|
if(this.metric > maxmetric) {
|
|
return "";
|
|
}
|
|
var igw = 0;
|
|
for(h in this.hna) {
|
|
if(h == "0.0.0.0") {
|
|
igw = 1;
|
|
break;
|
|
}
|
|
}
|
|
nh =
|
|
"<div id='node_" + this.ip + "' onmousedown='dragstart(this)' style="
|
|
+ "'top: " + parseInt((this.y+yoff)*scale) + "px; "
|
|
+ "left: " + parseInt((this.x+xoff)*scale) + "px; "
|
|
+ "width: 150px; height: 1px; z-index: 4; "
|
|
+ "position: absolute; background-color: transparent;' >"
|
|
+ "<div><img src='/luci-static/resources/olsr-viz/node"+(igw ? "-hna" : "")+iconvariant + ".gif'"
|
|
+ " alt='node " + this.ip + "' style='border: none;'><br>"
|
|
+ "<a href='http://" + this.ip + "/'>"
|
|
+ "<span class='label ip'>" + this.ip + "</span></a>"
|
|
+ (showdesc && this.desc != "" ?
|
|
"<br><span class='label desc'>" + this.desc + "</span>" : "")
|
|
+ "</div></div>";
|
|
return nh;
|
|
}
|
|
|
|
this.isIdle = function()
|
|
{
|
|
return (now_secs - this.lastseen > idle_timeout);
|
|
}
|
|
|
|
this.isDead = function()
|
|
{
|
|
return (now_secs - this.lastseen > erase_timeout);
|
|
}
|
|
|
|
this.cleanup = function()
|
|
{
|
|
ncount--;
|
|
}
|
|
|
|
this.set_metric = function(metric) {
|
|
this.metric = metric;
|
|
return this;
|
|
}
|
|
|
|
this.set_desc = function(desc) {
|
|
this.desc = desc
|
|
return this;
|
|
}
|
|
|
|
this.update = function() {
|
|
this.lastseen = now_secs;
|
|
return this;
|
|
}
|
|
|
|
this.ip = ip;
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.dx_last=0;
|
|
this.dy_last=0;
|
|
this.placed = false;
|
|
this.weight = 0;
|
|
this.edges = new Array();
|
|
this.hna = new Array();
|
|
this.pinned = false;
|
|
this.metric = 999;
|
|
this.desc = "";
|
|
|
|
ncount++;
|
|
return this;
|
|
}
|
|
|
|
function touch_node(ip) {
|
|
n = nodes[ip];
|
|
if(!n) {
|
|
n = new node(ip);
|
|
nodes[ip] = n;
|
|
// newnodes.push(n);
|
|
// push and pop not supported in old ie. shit.
|
|
newnodes[newnodes.length] = n;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
function place_new_nodes() {
|
|
var nc = 0;
|
|
for(i = 0;i<newnodes.length;i++){
|
|
n = newnodes[i];
|
|
if(n.placed){continue;}
|
|
if(sp = getCookie("node_"+n.ip)) {
|
|
xy = sp.split("x");
|
|
debug_writeln("sp: "+sp+" xy[0]: "+xy[0]+" xy[1]: "+xy[1]);
|
|
n.x = parseFloat(xy[0]);
|
|
n.y = parseFloat(xy[1]);
|
|
}
|
|
else if(n.weight>1){
|
|
// see if we find allredy placed nodes
|
|
ox=0,oy=0;dx=0,dy=0;c=0;
|
|
for(e in n.edges){
|
|
if(nodes[e] && nodes[e].placed){
|
|
if(!ox && !oy) {
|
|
ox = nodes[e].x;
|
|
oy = nodes[e].y;
|
|
}
|
|
else {
|
|
dx += nodes[e].x - ox;
|
|
dy += nodes[e].y - oy;
|
|
}
|
|
c++;
|
|
}
|
|
}
|
|
if(c>0) {
|
|
n.x = ox + dx/c + Math.random()*iel/2-iel/4;
|
|
n.y = oy + dy/c + Math.random()*iel/2-iel/4;
|
|
}
|
|
}
|
|
else {
|
|
// beginn somewhere
|
|
n.x = Math.random()*400;
|
|
n.y = Math.random()*400;
|
|
}
|
|
n.placed = true;
|
|
nc++;
|
|
}
|
|
newnodes.length=0;
|
|
return nc;
|
|
}
|
|
|
|
/******** HNA CLASS ********/
|
|
function hna(gw,net,mask) {
|
|
this.gw = gw;
|
|
this.net = net;
|
|
this.mask = mask;
|
|
return this;
|
|
}
|
|
|
|
function touch_hna(node,net,mask) {
|
|
h = node.hna[net];
|
|
if(!h) {
|
|
h = new hna(node.ip,net,mask);
|
|
node.hna[net] = h;
|
|
}
|
|
|
|
h.lastseen = now_secs;
|
|
return h;
|
|
}
|
|
|
|
/******** VIZ SETUP AND SETTINGS ********/
|
|
function viz_setup(iframeid,maindivid,nodedivid,edgedivid) {
|
|
// assign a reference to the
|
|
// object to our global variable IFrameObj.
|
|
IFrameObj=document.getElementById(iframeid);
|
|
if (document.frames) {
|
|
// this is for IE5 Mac, because it will only
|
|
// allow access to the document object
|
|
// of the IFrame if we access it through
|
|
// the document.frames array
|
|
IFrameObj = document.frames[iframeid];
|
|
}
|
|
|
|
draginit();
|
|
|
|
maindiv=document.getElementById(maindivid);
|
|
nodediv=document.getElementById(nodedivid);
|
|
edgediv=document.getElementById(edgedivid);
|
|
|
|
// autosave on exit?
|
|
if((autosave = getCookie("prefs_autosave"))) {
|
|
auto_save = parseInt(autosave);
|
|
}
|
|
viz_autosave(auto_save);
|
|
|
|
// maximum metric of surrounding nodes
|
|
if(mmx = getCookie("prefs_maxmetric")) {
|
|
set_maxmetric(mmx,true,true);
|
|
}
|
|
|
|
// scale of view
|
|
if((savescale = getCookie("prefs_scale")) &&
|
|
(savescale = parseFloat(savescale))) {
|
|
set_scale(savescale,true);
|
|
}
|
|
|
|
// scroll - FIXME
|
|
/*
|
|
if(val = getCookie("prefs_innerview")) {
|
|
iv = val.split("x");
|
|
if (iv[0] && (iv[0] = parseInt(iv[0])) &&
|
|
iv[1] && (iv[2] = parseInt(iv[2])) &&
|
|
iv[3] && (iv[3] = parseInt(iv[3])) &&
|
|
iv[4] && (iv[4] = parseInt(iv[4])))
|
|
{
|
|
maindiv.scrollLeft = iv[0] + "px";
|
|
maindiv.scrollHeight = iv[1] + "px";
|
|
}
|
|
}
|
|
*/
|
|
}
|
|
|
|
function viz_save()
|
|
{
|
|
// let cookie survive a month
|
|
exp = new Date();
|
|
exp.setTime(exp.getTime() + 2592000000);
|
|
// save node positions
|
|
for(ip in nodes)
|
|
{
|
|
if(nodes[ip].metric > maxmetric) {
|
|
continue;
|
|
}
|
|
setCookie("node_"+ip,nodes[ip].x+"x"+nodes[ip].y,exp);
|
|
}
|
|
|
|
// save maxmetric
|
|
setCookie("prefs_maxmetric",maxmetric,exp);
|
|
|
|
// save zooming
|
|
setCookie("prefs_scale",scale,exp);
|
|
|
|
// save scroll - FIXME
|
|
setCookie("prefs_innerview",
|
|
parseInt(maindiv.scrollLeft)+"x"+parseInt(maindiv.scrollTop)+"x"+
|
|
parseInt(vwidth*scale)+"x"+parseInt(vheight*scale),exp);
|
|
}
|
|
|
|
function viz_autosave(autosave)
|
|
{
|
|
auto_save = autosave;
|
|
if(auto_save) {
|
|
document.body.onunload=viz_save;
|
|
}
|
|
else {
|
|
deleteCookie("prefs_autosave");
|
|
}
|
|
}
|
|
|
|
function viz_reset()
|
|
{
|
|
deleteAllCookies();
|
|
for(ip in nodes) {
|
|
delete nodes[ip];
|
|
}
|
|
for(e in edges) {
|
|
delete edges[e];
|
|
}
|
|
viz_update();
|
|
}
|
|
|
|
var updateTimer = 0;
|
|
function viz_update() {
|
|
if (updateTimer) {
|
|
clearTimeout(updateTimer);
|
|
}
|
|
now_secs = new Date().getTime()/1000;
|
|
callToServer(cgi_url);
|
|
}
|
|
|
|
function viz_callback() {
|
|
if (updateTimer) {
|
|
clearTimeout(updateTimer);
|
|
}
|
|
|
|
if(place_new_nodes() > 0 && auto_declump) {
|
|
declump();
|
|
}
|
|
refresh();
|
|
updateTimer = setTimeout('viz_update()', 5000);
|
|
}
|
|
|
|
var refresh_running = false;
|
|
function refresh() {
|
|
if(refresh_running) {
|
|
return;
|
|
}
|
|
refresh_running = true;
|
|
|
|
var nh = "";
|
|
|
|
// refresh nodes
|
|
nh = "";
|
|
for (var n in nodes) {
|
|
if(nodes[n].isDead()) {
|
|
nodes[n].cleanup();
|
|
delete nodes[n];
|
|
}
|
|
else {
|
|
nh += nodes[n].getHTML();
|
|
}
|
|
}
|
|
nodediv.innerHTML = nh;
|
|
|
|
// refresh edges
|
|
|
|
nh = "";
|
|
for (var e in edges) {
|
|
if(edges[e].isDead()) {
|
|
edges[e].cleanup();
|
|
delete edges[e];
|
|
}
|
|
else {
|
|
nh += edges[e].getHTML();
|
|
}
|
|
}
|
|
edgediv.innerHTML = nh;
|
|
refresh_running = false;
|
|
}
|
|
|
|
function set_showdesc(doit)
|
|
{
|
|
showdesc = doit;
|
|
if(!noupdate) refresh();
|
|
}
|
|
|
|
function set_autodeclump(doit)
|
|
{
|
|
auto_declump = doit;
|
|
if(doit) {
|
|
declump();
|
|
}
|
|
else {
|
|
clearTimeout(dclTimer);
|
|
}
|
|
}
|
|
|
|
function set_scale(inscale,noupdate)
|
|
{
|
|
if(!inscale) {
|
|
inscale = parseFloat(document.getElementById("zoom").value/2);
|
|
}
|
|
scale = Math.round(inscale*100)/100;
|
|
if(!scale || scale<0.1) {
|
|
scale = 0.1;
|
|
}
|
|
document.getElementById("zoom").value = scale*2;
|
|
if(!noupdate) refresh();
|
|
}
|
|
|
|
function set_maxmetric(inmetric,noupdate,noconfirm)
|
|
{
|
|
inmetric = parseInt(inmetric);
|
|
if(inmetric > 0 || !noconfirm || confirm("warning. setting the maximum metric to zero can lead to expensive calculations if you are connected to a network with many nodes. do you want to proceed?")) {
|
|
maxmetric = inmetric;
|
|
}
|
|
document.getElementById("maxmetric").value = maxmetric;
|
|
if(!noupdate) refresh();
|
|
}
|
|
|
|
// k = area / nodes
|
|
function fr(x) {
|
|
return Math.pow((iel*iel)/x,2);
|
|
}
|
|
|
|
function fa(x) {
|
|
return Math.pow((x*x)/iel,2);
|
|
}
|
|
|
|
var dclTimer = 0;
|
|
var declump_running = false;
|
|
function declump(t) {
|
|
// clear declump timer
|
|
if(dclTimer) {
|
|
clearTimeout(dclTimer);
|
|
}
|
|
if(declump_running) {
|
|
return;
|
|
}
|
|
declump_running = true;
|
|
|
|
// nodes
|
|
nc = 0;
|
|
for (var ip1 in nodes) {
|
|
nodes[ip1].fr_x=0;
|
|
nodes[ip1].fr_y=0;
|
|
nodes[ip1].fa_x=0;
|
|
nodes[ip1].fa_y=0;
|
|
nodes[ip1].x_next = nodes[ip1].x;
|
|
nodes[ip1].y_next = nodes[ip1].y;
|
|
nodes[ip1].randdisplace = 0;
|
|
}
|
|
for (var ip1 in nodes) {
|
|
if(nodes[ip1].metric > maxmetric || nodes[ip1].pinned) {
|
|
continue;
|
|
}
|
|
for (ip2 in nodes) {
|
|
if (nodes[ip2].metric > maxmetric || ip1 == ip2) {
|
|
continue;
|
|
}
|
|
dx = (nodes[ip1].x_next - nodes[ip2].x_next);
|
|
dy = (nodes[ip1].y_next - nodes[ip2].y_next);
|
|
d = Math.sqrt(dx*dx+dy*dy);
|
|
d = Math.max(d-optsize,(d+optsize)/optsize);
|
|
|
|
nodes[ip1].fr_x += (dx/d) * fr(d);
|
|
nodes[ip1].fr_y += (dy/d) * fr(d);
|
|
}
|
|
|
|
dx = nodes[ip1].fr_x;
|
|
dy = nodes[ip1].fr_y;
|
|
d = Math.sqrt(dx*dx+dy*dy);
|
|
md = Math.min(d,iel/nodes[ip1].weight);
|
|
nodes[ip1].x_next += (dx / d) * md;
|
|
nodes[ip1].y_next += (dy / d) * md;
|
|
nc++;
|
|
}
|
|
|
|
// edges
|
|
ec = 0;
|
|
for (var e in edges) {
|
|
if (!edges[e].n1 || !edges[e].n2 ||
|
|
edges[e].n1.metric > maxmetric || edges[e].n2.metric > maxmetric) {
|
|
continue;
|
|
}
|
|
dx = (edges[e].n1.x_next - edges[e].n2.x_next);
|
|
dy = (edges[e].n1.y_next - edges[e].n2.y_next);
|
|
d = Math.sqrt(dx*dx+dy*dy);
|
|
// d = Math.max(d-optsize,(d+optsize)/optsize);
|
|
|
|
edges[e].n1.fa_x -= (dx/d) * fa(d);
|
|
edges[e].n1.fa_y -= (dy/d) * fa(d);
|
|
edges[e].n2.fa_x += (dx/d) * fa(d);
|
|
edges[e].n2.fa_y += (dy/d) * fa(d);
|
|
ec++;
|
|
}
|
|
|
|
// displacement
|
|
xmin=-20;ymin=-20;xmax=20;ymax=20;dsum=0;
|
|
for (var ip in nodes) {
|
|
if(nodes[ip].metric > maxmetric || nodes[ip].pinned) {
|
|
continue;
|
|
}
|
|
|
|
dx = nodes[ip].fa_x;
|
|
dy = nodes[ip].fa_y;
|
|
d = Math.sqrt(dx*dx+dy*dy);
|
|
dx = (dx / d) * Math.min(d,iel/nodes[ip].weight) * 0.75 + nodes[ip].dx_last * 0.25;
|
|
dy = (dy / d) * Math.min(d,iel/nodes[ip].weight) * 0.75 + nodes[ip].dy_last * 0.25;
|
|
|
|
nodes[ip].dx_last = dx;
|
|
nodes[ip].dy_last = dy;
|
|
nodes[ip].x_next += dx;
|
|
nodes[ip].y_next += dy;
|
|
|
|
if(!nodes[ip].x_next || !nodes[ip].y_next) {
|
|
continue;
|
|
}
|
|
|
|
dx = (nodes[ip].x - nodes[ip].x_next);
|
|
dy = (nodes[ip].y - nodes[ip].y_next);
|
|
dsum += Math.sqrt(dx*dx+dy*dy);
|
|
|
|
nodes[ip].x = nodes[ip].x_next;
|
|
nodes[ip].y = nodes[ip].y_next;
|
|
|
|
xmin = Math.min(xmin,nodes[ip].x);
|
|
xmax = Math.max(xmax,nodes[ip].x);
|
|
ymin = Math.min(ymin,nodes[ip].y);
|
|
ymax = Math.max(ymax,nodes[ip].y);
|
|
}
|
|
vwidth=(xmax-xmin);
|
|
vheight=(ymax-ymin);
|
|
|
|
xoff=-xmin;
|
|
yoff=-ymin;
|
|
/*
|
|
document.getElementById('debug').innerHTML = "<br>" +
|
|
"offset: " + xoff + "x" + yoff + " dsum: " + dsum + "<br>" +
|
|
"nc: " + nc + " ec: " + ec + "xmax: " + xmax + " xmin: " + xmin + "<br>" +
|
|
"optsize: " + optsize + "<br>";
|
|
*/
|
|
refresh();
|
|
if(auto_declump) {
|
|
dclTimer = setTimeout("declump()", dsum>ncount ? dcl_timeout : dcllow_timeout );
|
|
}
|
|
declump_running = false;
|
|
}
|
|
|
|
//Das Objekt, das gerade bewegt wird.
|
|
var dragip = null;
|
|
|
|
// Position, an der das Objekt angeklickt wurde.
|
|
var dragx = 0;
|
|
var dragy = 0;
|
|
|
|
// Mausposition
|
|
var posx = 0;
|
|
var posy = 0;
|
|
|
|
function draginit() {
|
|
// Initialisierung der ãberwachung der Events
|
|
|
|
document.onmousemove = drag;
|
|
document.onmouseup = dragstop;
|
|
}
|
|
|
|
|
|
function dragstart(element) {
|
|
//Wird aufgerufen, wenn ein Objekt bewegt werden soll.
|
|
dragip = element.id.split("_")[1];
|
|
dragx = posx - element.offsetLeft;
|
|
dragy = posy - element.offsetTop;
|
|
|
|
n = nodes[dragip];
|
|
if(n) {
|
|
n.pinned = true;
|
|
}
|
|
}
|
|
|
|
|
|
function dragstop() {
|
|
//Wird aufgerufen, wenn ein Objekt nicht mehr bewegt werden soll.
|
|
|
|
n = nodes[dragip];
|
|
if(n) {
|
|
n.pinned = false;
|
|
}
|
|
refresh();
|
|
dragip=null;
|
|
}
|
|
|
|
|
|
function drag(ereignis) {
|
|
//Wird aufgerufen, wenn die Maus bewegt wird und bewegt bei Bedarf das Objekt.
|
|
|
|
posx = document.all ? window.event.clientX : ereignis.pageX;
|
|
posy = document.all ? window.event.clientY : ereignis.pageY;
|
|
if(dragip != null) {
|
|
n = nodes[dragip];
|
|
if(n) {
|
|
n.x = (posx - dragx)/scale - xoff;
|
|
n.y = (posy - dragy)/scale - yoff;
|
|
}
|
|
e = document.getElementById('node_'+dragip);
|
|
e.style.left = parseInt((n.x+xoff)*scale) + "px";
|
|
e.style.top = parseInt((n.y+yoff)*scale) + "px";
|
|
}
|
|
}
|
|
|
|
function debug_writeln(line)
|
|
{
|
|
document.getElementById('debug').innerHTML = line + "<br>" + document.getElementById('debug').innerHTML;
|
|
}
|
|
|
|
/**
|
|
* Sets a Cookie with the given name and value.
|
|
*
|
|
* name Name of the cookie
|
|
* value Value of the cookie
|
|
* [expires] Expiration date of the cookie (default: end of current session)
|
|
* [path] Path where the cookie is valid (default: path of calling document)
|
|
* [domain] Domain where the cookie is valid
|
|
* (default: domain of calling document)
|
|
* [secure] Boolean value indicating if the cookie transmission requires a
|
|
* secure transmission
|
|
*/
|
|
|
|
function setCookie(name, value, expires, path, domain, secure) {
|
|
document.cookie= name + "=" + escape(value) +
|
|
((expires) ? "; expires=" + expires.toGMTString() : "") +
|
|
((path) ? "; path=" + path : "") +
|
|
((domain) ? "; domain=" + domain : "") +
|
|
((secure) ? "; secure" : "");
|
|
}
|
|
|
|
/**
|
|
* Gets the value of the specified cookie.
|
|
*
|
|
* name Name of the desired cookie.
|
|
*
|
|
* Returns a string containing value of specified cookie,
|
|
* or null if cookie does not exist.
|
|
*/
|
|
|
|
function getCookie(name)
|
|
{
|
|
var results = document.cookie.match ( name + '=(.*?)(;|$)' );
|
|
if (results) {
|
|
return unescape(results[1]);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Deletes the specified cookie.
|
|
*
|
|
* name name of the cookie
|
|
* [path] path of the cookie (must be same as path used to create cookie)
|
|
* [domain] domain of the cookie (must be same as domain used to create cookie)
|
|
*/
|
|
|
|
function deleteCookie(name, path, domain) {
|
|
if (getCookie(name)) {
|
|
document.cookie = name + "=" +
|
|
((path) ? "; path=" + path : "") +
|
|
((domain) ? "; domain=" + domain : "") +
|
|
"; expires=Thu, 01-Jan-70 00:00:01 GMT";
|
|
}
|
|
}
|
|
|
|
function deleteAllCookies() {
|
|
cookies = document.cookie.split("; ");
|
|
for(i=0;i<cookies.length;i++) {
|
|
deleteCookie(cookies[i].split("=")[0]);
|
|
}
|
|
}
|