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create word index from examples and use it to filter example list

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@7097 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2008-05-08 08:27:54 +00:00
parent c350fd6810
commit 8eee248117
2 changed files with 116 additions and 19 deletions
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101
doc/examples.html
View File

@@ -1,19 +1,21 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Strict//EN">
<html>
<head>
<title>OL Docs</title>
<title>OpenLayers Examples</title>
<link rel="stylesheet" href="../examples/style.css" type="text/css" />
<style type="text/css">
html, body {
height: 100%;
overflow: hidden;
margin: 0;
padding: 0;
font: 0.9em Verdana, Arial, sans serif;
line-height: 1.25em;
}
.ex_container{
border-bottom: 1px solid grey;
}
.ex_container a {
text-decoration: none;
padding: 5px 1em;
display: block;
}
@@ -25,6 +27,11 @@
font-weight: bold;
color: #333;
}
.ex_filename {
font-weight: normal;
font-size: 0.8em;
color: #ccc
}
.ex_description{
color: #222;
padding: 3px;
@@ -56,32 +63,94 @@
<script type="text/javascript" src="examples.js"></script>
<script type="text/javascript">
// import
var uri = "http://jugl.tschaub.net/trunk/lib/Jugl.js";
var Jugl = window[uri];
// this part does the actual template processing
window.onload = function() {
var template = new Jugl.Template("template");
var node = template.process(null, true);
document.getElementById("examples").appendChild(node);
document.getElementById("exwin").src = "../examples/example.html";
var Jugl = window["http://jugl.tschaub.net/trunk/lib/Jugl.js"];
var template, target;
function listExamples(examples) {
var node = template.process({examples: examples}, true);
target.innerHTML = "";
target.appendChild(node);
document.getElementById("count").innerHTML = "(" + examples.length + ")";
}
var timerId;
function inputChange() {
if(timerId) {
window.clearTimeout(timerId);
}
var text = this.value;
timerId = window.setTimeout(function() {
filterList(text);
}, 500);
}
function filterList(text) {
var examples;
if(text.length < 2) {
examples = info.examples;
} else {
var words = text.split(/\W+/);
var scores = {};
for(var i=0; i<words.length; ++i) {
var word = words[i].toLowerCase()
var dict = info.index[word];
if(dict) {
for(exIndex in dict) {
var count = dict[exIndex];
if(scores[exIndex]) {
scores[exIndex] += count;
} else {
scores[exIndex] = count;
}
}
}
}
examples = [];
for(var j in scores) {
var ex = info.examples[j];
ex.score = scores[j];
examples.push(ex);
}
// sort examples by descending score
examples.sort(function(a, b) {
return (b.score - a.score);
});
}
listExamples(examples);
}
function showAll() {
document.getElementById("keywords").value = "";
listExamples(info.examples);
}
window.onload = function() {
template = new Jugl.Template("template");
target = document.getElementById("examples");
listExamples(info.examples);
document.getElementById("exwin").src = "../examples/example.html";
document.getElementById("keywords").onkeyup = inputChange
};
</script>
</head>
<body>
<div id="toc">
<p id="instructions">Click an example link below to view on the right.</p>
<p id="instructions">
<label for="keywords">Filter by keywords</label>
<input type="text" id="keywords" /><br />
<span id="count"></span>
<a href="javascript:void showAll();">show all</a>
</p>
<div id="examples"></div>
</div>
<iframe id="exwin" name="exwin"></iframe>
<iframe id="exwin" name="exwin"></iframe>
<div style="display: none;">
<div id="template">
<div class="ex_container" jugl:repeat="example examples">
<a jugl:attributes="href example.link" target="exwin">
<h3 class="ex_title">
<h5 class="ex_title">
<span jugl:replace="example.title">title</span><br />
<span class="exampleName" jugl:content="'(' + example.example + ')'">filename</span>
</h3>
<span class="ex_filename" jugl:content="'(' + example.example + ')'">filename</span>
</h5>
<div class="ex_description" jugl:content="example.shortdesc">
Short Description goes here
</div>

34
tools/exampleparser.py
View File

@@ -81,7 +81,32 @@ def parseHtml(html,ids):
d['classes'] = classes
return d
def wordIndex(examples):
"""
Create an inverted index based on words in title and shortdesc. Keys are
lower cased words. Values are dictionaries with example index keys and
count values.
"""
index = {}
unword = re.compile("\\W+")
keys = ["shortdesc", "title"]
for i in range(len(examples)):
for key in keys:
text = examples[i][key]
if text:
words = unword.split(text)
for word in words:
if word:
word = word.lower()
if index.has_key(word):
if index[word].has_key(i):
index[word][i] += 1
else:
index[word][i] = 1
else:
index[word] = {i: 1}
return index
if __name__ == "__main__":
if missing_deps:
@@ -114,9 +139,12 @@ if __name__ == "__main__":
exampleList.append(tagvalues)
exampleList.sort(key=lambda x:x['example'].lower())
json = simplejson.dumps(exampleList)
index = wordIndex(exampleList)
json = simplejson.dumps({"examples": exampleList, "index": index})
#give the json a global variable we can use in our js. This should be replaced or made optional.
json = 'var examples=' + json
json = 'var info=' + json
outFile.write(json)
outFile.close()
print 'complete'