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/* -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
function createId(boardid, nodeid)
{
return "b" + boardid + "_t" + nodeid;
}
function idFromStr(str)
{
return str.substring(str.search('t') + 1, str.length);
}
function subscriptionIdFromStr(str)
{
return str.substring(1, str.search('_'));
}
var nodes = new Array();
function findNode(id, subscribeid)
{
for(var i = 0; i < nodes.length; i++)
{
var node = nodes[i];
var child = node.findNode(id, subscribeid);
if(child != null)
{
return child;
}
}
return null;
}
function Node(id, subscribeid)
{
this.id = id;
this.subscribeid = subscribeid;
this.children = new Array();
this.attributes = {};
this.parent = null;
// Elements:
this.element = document.createElement("div");
this.div_id = document.createElement("span");
this.div_id.setAttribute("class", "id");
this.div_title = document.createElement("span");
this.div_title.setAttribute("class", "title");
}
Node.prototype.dump = function()
{
alert(this.id);
};
Node.prototype.findNode = function(id, subscribeid)
{
if(this.subscribeid != subscribeid)
{
return null;
}
if(this.id == id)
{
return this;
}
for(var i = 0; i < this.children.length; i++)
{
var node = this.children[i];
var child = node.findNode(id, subscribeid);
if(child != null)
{
return child;
}
}
return null;
};
Node.prototype.addChild = function(node, insertBeforeId)
{
if(node.parent != null)
{
node.parent.removeChild(node);
}
node.parent = this;
inserted = false;
for(i = 0; i < this.children.length; ++i)
{
if(this.children[i].id == insertBeforeId)
{
this.children.splice(i - 1, 0, node);
this.element.insertBefore(node.element, this.element.childNodes[i + 2]);
inserted = true;
break;
}
}
if(inserted == false)
{
this.children.push(node);
this.element.appendChild(node.element);
}
};
Node.prototype.removeChild = function(node)
{
this.children = this.children.filter(function(e)
{
return e.id != node.id;
});
node.parent = null;
this.element.removeChild(node.element);
};
Node.prototype.create = function()
{
var node = this.element;
node.name = "node";
node.setAttribute("class", "node");
node.setAttribute("ondblclick", "editTitle(event)");
//node.setAttribute("onclick", "showHideChildren(this, event)");
node.setAttribute("ondrop", "drop(event)");
node.setAttribute("ondragenter", "dragenter(event)");
node.setAttribute("ondragover", "dragover(event)");
node.setAttribute("ondragleave", "dragleave(event)");
node.setAttribute("draggable", true);
node.setAttribute("ondragstart", "drag(this, event)");
node.setAttribute("ondragend", "dragEnd(event)");
node.setAttribute("nodeid", this.id);
// This is a hack to make it possible to identify the nodeid and
// oberveid from the node id alone.
node.id = createId(this.subscribeid, this.id);
/*
var subscribe_button = document.createElement("div");
subscribe_button.name = "subscribe_button";
subscribe_button.setAttribute("onclick", "subscribeMe(this, event)");
subscribe_button.setAttribute("nodeid", this.id);
subscribe_button.setAttribute("style", "float: left; display: inline-box; width:14px; height: 14px; border: solid green 2px; cursor: pointer;");
var txt_plus = document.createTextNode("+");
subscribe_button.appendChild(txt_plus);
node.appendChild(subscribe_button);
var unsubscribe_button = document.createElement("div");
unsubscribe_button.name = "unsubscribe_button";
unsubscribe_button.setAttribute("onclick", "unsubscribeMe(this, event)");
unsubscribe_button.setAttribute("nodeid", this.id);
unsubscribe_button.setAttribute("style", "float: left; display: inline-box; width:14px; height: 14px; border: solid red 2px; cursor: pointer;");
var txt_minus = document.createTextNode("-");
unsubscribe_button.appendChild(txt_minus);
node.appendChild(unsubscribe_button);
*/
this.element.appendChild(this.div_id);
var id_txt = document.createTextNode(this.id);
this.div_id.appendChild(id_txt);
this.element.appendChild(this.div_title);
this.setAttribute("title", "");
};
Node.prototype.setAttribute = function(name, value)
{
this.attributes[name] = value;
if(name == "title")
{
if(this.div_title.firstChild != null)
{
this.div_title.removeChild(this.div_title.firstChild);
}
var title_txt = document.createTextNode(value);
this.div_title.appendChild(title_txt);
}
if(name == "dragged")
{
if(value == "true")
{
// Make transparent and non-draggable
this.element.style.opacity = "0.3";
// TODO: Apply recursively?
this.element.setAttribute("draggable", false);
}
else
{
// Make opaque and draggable again
this.element.style.opacity = "1.0";
// TODO: Apply recursively?
this.element.setAttribute("draggable", true);
}
}
};
Node.prototype.getTitle = function()
{
return this.attributes["title"];
};
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