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<% content_for :style do %>
#route_table {
margin: 0 auto 0;
border-collapse: collapse;
}
#route_table td {
padding: 0 30px;
}
#route_table tr.bottom th {
padding-bottom: 10px;
line-height: 15px;
}
#route_table .matched_paths {
background-color: LightGoldenRodYellow;
}
#route_table .matched_paths {
border-bottom: solid 3px SlateGrey;
}
#path_search {
width: 80%;
font-size: inherit;
}
<% end %>
<table id='route_table' class='route_table'>
<thead>
<tr>
<th>Helper</th>
<th>HTTP Verb</th>
<th>Path</th>
<th>Controller#Action</th>
</tr>
<tr class='bottom'>
<th><%# Helper %>
<%= link_to "Path", "#", 'data-route-helper' => '_path',
title: "Returns a relative path (without the http or domain)" %> /
<%= link_to "Url", "#", 'data-route-helper' => '_url',
title: "Returns an absolute url (with the http and domain)" %>
</th>
<th><%# HTTP Verb %>
</th>
<th><%# Path %>
<%= search_field(:path, nil, id: 'path_search', placeholder: "Path Match") %>
</th>
<th><%# Controller#action %>
</th>
</tr>
</thead>
<tbody class='matched_paths' id='matched_paths'>
</tbody>
<tbody>
<%= yield %>
</tbody>
</table>
<script type='text/javascript'>
function each(elems, func) {
if (!elems instanceof Array) { elems = [elems]; }
for (var i = 0, len = elems.length; i < len; i++) {
func(elems[i]);
}
}
function setValOn(elems, val) {
each(elems, function(elem) {
elem.innerHTML = val;
});
}
function onClick(elems, func) {
each(elems, function(elem) {
elem.onclick = func;
});
}
// Enables functionality to toggle between `_path` and `_url` helper suffixes
function setupRouteToggleHelperLinks() {
var toggleLinks = document.querySelectorAll('#route_table [data-route-helper]');
onClick(toggleLinks, function(){
var helperTxt = this.getAttribute("data-route-helper"),
helperElems = document.querySelectorAll('[data-route-name] span.helper');
setValOn(helperElems, helperTxt);
});
}
// takes an array of elements with a data-regexp attribute and
// passes their their parent <tr> into the callback function
// if the regexp matchs a given path
function eachElemsForPath(elems, path, func) {
each(elems, function(e){
var reg = e.getAttribute("data-regexp");
if (path.match(RegExp(reg))) {
func(e.parentNode.cloneNode(true));
}
})
}
// Ensure path always starts with a slash "/" and remove params or fragments
function sanitizePath(path) {
var path = path.charAt(0) == '/' ? path : "/" + path;
return path.replace(/\#.*|\?.*/, '');
}
// Enables path search functionality
function setupMatchPaths() {
var regexpElems = document.querySelectorAll('#route_table [data-regexp]'),
pathElem = document.querySelector('#path_search'),
selectedSection = document.querySelector('#matched_paths'),
noMatchText = '<tr><th colspan="4">None</th></tr>';
// Remove matches if no path is present
pathElem.onblur = function(e) {
if (pathElem.value === "") selectedSection.innerHTML = "";
}
// On key press perform a search for matching paths
pathElem.onkeyup = function(e){
var path = sanitizePath(pathElem.value),
defaultText = '<tr><th colspan="4">Paths Matching (' + path + '):</th></tr>';
// Clear out results section
selectedSection.innerHTML= defaultText;
// Display matches if they exist
eachElemsForPath(regexpElems, path, function(e){
selectedSection.appendChild(e);
});
// If no match present, tell the user
if (selectedSection.innerHTML === defaultText) {
selectedSection.innerHTML = selectedSection.innerHTML + noMatchText;
}
}
}
setupMatchPaths();
setupRouteToggleHelperLinks();
</script>
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