html/js/usage.js

/**
 usage.js an example usage of the search engine

 A part of the jsfind project (http://projects.elucidsoft.net/jsfind)
 Copyright (C) 2003 Shawn Garbett

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 Contact Info:
 Shawn Garbett <Shawn@eLucidSoft.net>
 http://www.elucidsoft.net
 4037 General Bate Drive
 Nashville, TN 37204
*/

function go(f)
{
  if(!document.search.query)
  {
    return false;
  }

  var query=document.search.query.value;

  if(query == null || query == "")
  {
    alert("No search terms entered!");
    return false;
  }

  var parsed_string = query.replace(/\s/gi,"+");
  //var url=location.host+location.pathname+"?search="+parsed_string;
  var url=location.pathname+"?search="+parsed_string;
  location = url;

  return false;
}

// Function to help find a "DIV" element 
function findDivHelper(n, id)
{
  for(var m=n.firstChild; m != null; m=m.nextSibling)
  {
    if((m.nodeType == 1) &&
       (m.tagName.toLowerCase() == "div") &&
       (m.getAttribute("id").toLowerCase() == id.toLowerCase() ))
    {
      return m;
    }
    else 
    {
      var r=findDivHelper(m, id);
      if(r) return r;
    } 
  } 
  return null;
}

// Function to find a specified "DIV" element by id
function findDiv(id)
{
  return findDivHelper(document.body,id); 
} 

// Print results to page
function printResults(result)
{
  //clearTimeout(watchdog_id);
  //debug("clearTimeout = "+watchdog_id);
  debug("printResults("+result.length+")");

  var d = findDiv("results");

  // Null result output
  if(result.length < 1)
  {
    var header = (d.getElementsByTagName("h2"))[0].firstChild;
    header.replaceData(0, 14, "Nothing Found ");

    if(search_err != "")
    {
      e = document.createElement("font");
      e.setAttribute("color","red");
      e.setAttribute("size","+1");
      e.appendChild(document.createTextNode(search_err));
      d.appendChild(e);
      d.appendChild(document.createElement("br"));
    }

    return;
  }

  // Add results to main document
  for(var i=result.length-1; i>=0; i--)
  {
    var e = document.createElement("font");

    e.setAttribute("color","blue");
    e.setAttribute("size","+1");
    e.appendChild(document.createTextNode(result[i].title));
    d.appendChild(e);
    d.appendChild(document.createTextNode(" "));
    d.appendChild(document.createElement("br"));

    e = document.createElement("a");
    e.setAttribute("href",result[i].link);
    e.setAttribute("target","_blank");
    e.appendChild(document.createTextNode(result[i].link));
    d.appendChild(e);
    d.appendChild(document.createTextNode(" "));

    e = document.createElement("font");
    e.setAttribute("color","green");
    e.appendChild(document.createTextNode("["+result[i].frequency+"]"));
    d.appendChild(e);
    d.appendChild(document.createElement("br"));
    d.appendChild(document.createElement("br"));
  }
 
  // Change header
  var header = (d.getElementsByTagName("h2"))[0].firstChild;

  header.replaceData(0, 14, "Search Results");

}
1	/**
2	usage.js an example usage of the search engine
3
4	A part of the jsfind project (http://projects.elucidsoft.net/jsfind)
5	Copyright (C) 2003 Shawn Garbett
6
7	This program is free software; you can redistribute it and/or
8	modify it under the terms of the GNU General Public License
9	as published by the Free Software Foundation; either version 2
10	of the License, or (at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program; if not, write to the Free Software
19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20
21	Contact Info:
22	Shawn Garbett <Shawn@eLucidSoft.net>
23	http://www.elucidsoft.net
24	4037 General Bate Drive
25	Nashville, TN 37204
26	*/
27
28	function go(f)
29	{
30	if(!document.search.query)
31	{
32	return false;
33	}
34
35	var query=document.search.query.value;
36
37	if(query == null \|\| query == "")
38	{
39	alert("No search terms entered!");
40	return false;
41	}
42
43	var parsed_string = query.replace(/\s/gi,"+");
44	//var url=location.host+location.pathname+"?search="+parsed_string;
45	var url=location.pathname+"?search="+parsed_string;
46	location = url;
47
48	return false;
49	}
50
51	// Function to help find a "DIV" element
52	function findDivHelper(n, id)
53	{
54	for(var m=n.firstChild; m != null; m=m.nextSibling)
55	{
56	if((m.nodeType == 1) &&
57	(m.tagName.toLowerCase() == "div") &&
58	(m.getAttribute("id").toLowerCase() == id.toLowerCase() ))
59	{
60	return m;
61	}
62	else
63	{
64	var r=findDivHelper(m, id);
65	if(r) return r;
66	}
67	}
68	return null;
69	}
70
71	// Function to find a specified "DIV" element by id
72	function findDiv(id)
73	{
74	return findDivHelper(document.body,id);
75	}
76
77	// Print results to page
78	function printResults(result)
79	{
80	//clearTimeout(watchdog_id);
81	//debug("clearTimeout = "+watchdog_id);
82	debug("printResults("+result.length+")");
83
84	var d = findDiv("results");
85
86	// Null result output
87	if(result.length < 1)
88	{
89	var header = (d.getElementsByTagName("h2"))[0].firstChild;
90	header.replaceData(0, 14, "Nothing Found ");
91
92	if(search_err != "")
93	{
94	e = document.createElement("font");
95	e.setAttribute("color","red");
96	e.setAttribute("size","+1");
97	e.appendChild(document.createTextNode(search_err));
98	d.appendChild(e);
99	d.appendChild(document.createElement("br"));
100	}
101
102	return;
103	}
104
105	// Add results to main document
106	for(var i=result.length-1; i>=0; i--)
107	{
108	var e = document.createElement("font");
109
110	e.setAttribute("color","blue");
111	e.setAttribute("size","+1");
112	e.appendChild(document.createTextNode(result[i].title));
113	d.appendChild(e);
114	d.appendChild(document.createTextNode(" "));
115	d.appendChild(document.createElement("br"));
116
117	e = document.createElement("a");
118	e.setAttribute("href",result[i].link);
119	e.setAttribute("target","_blank");
120	e.appendChild(document.createTextNode(result[i].link));
121	d.appendChild(e);
122	d.appendChild(document.createTextNode(" "));
123
124	e = document.createElement("font");
125	e.setAttribute("color","green");
126	e.appendChild(document.createTextNode("["+result[i].frequency+"]"));
127	d.appendChild(e);
128	d.appendChild(document.createElement("br"));
129	d.appendChild(document.createElement("br"));
130	}
131
132	// Change header
133	var header = (d.getElementsByTagName("h2"))[0].firstChild;
134
135	header.replaceData(0, 14, "Search Results");
136
137	}