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SemanticScuttle/includes/js/dojox/data/tests/QueryReadStore.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<style type="text/css">
@import "../../../dojo/resources/dojo.css";
@import "../../../dijit/themes/tundra/tundra.css";
@import "../../../dijit/themes/tundra/tundra_rtl.css";
</style>
<title>Query read store</title>
<script type="text/javascript" src="../../../dojo/dojo.js" djConfig="isDebug: true, parseOnLoad: true"></script>
<script type="text/javascript" src="../../../dojo/data/util/simpleFetch.js"></script>
<script type="text/javascript" src="../../../dojox/data/QueryReadStore.js"></script>
<script type="text/javascript">
dojo.require("dijit.form.ComboBox");
dojo.require("dijit.form.FilteringSelect");
dojo.require("dojox.data.QueryReadStore");
dojo.provide("ComboBoxReadStore");
dojo.declare("ComboBoxReadStore", dojox.data.QueryReadStore, {
fetch:function(request) {
// Copy the GET/POST parameters (request.query) we need into
// request.serverQuery. We actually want to have
// the query added to the URL like so: /url.php?q=<searchString>
// The data in "queryOptions" are useless for our backend,
// we ignore them, they are not sent to the server.
// The combobox puts this into the request-parameter:
// {
// query: {name:<searchString>},
// queryOptions: {ignoreCase:true, deep:true},
// ...
// }
// We generate request.serverQuery to be this, since those values will
// be sent to the server.
// {
// q:<searchString>}
// }
// This results in a xhr request to the following URL (in case of GET):
// /url.php?q=<searchString>
//
request.serverQuery = {q:request.query.name};
// If we wanted to send the queryOptions too, we could simply do:
// request.serverQuery = {
// q:request.query.name,
// ignoreCase:request.queryOptions.ignoreCase,
// deep:request.queryOptions.deep
// };
// This would then result in this URL, for ignoreCase and deep
// assumed to be true:
// /url.php?q=<searchString>&ignoreCase=true&deep=true
return this.inherited("fetch", arguments);
}
});
dojo.provide("ServerPagingReadStore");
dojo.declare("ServerPagingReadStore", dojox.data.QueryReadStore, {
fetch:function(request) {
request.serverQuery = {q:request.query.name, start:request.start, count:request.count};
return this.inherited("fetch", arguments);
}
});
var testStore = new dojox.data.QueryReadStore({url:'stores/QueryReadStore.php'});;
function doSearch() {
var queryOptions = {};
if (dojo.byId("ignoreCaseEnabled").checked) {
queryOptions.ignoreCase = dojo.query("#fetchForm")[0].ignoreCase[0].checked;
}
if (dojo.byId("deepEnabled").checked) {
queryOptions.deep = dojo.query("#fetchForm")[0].deep[0].checked;
}
var query = {};
query.q = dojo.byId("searchText").value;
var request = {query:query, queryOptions:queryOptions};
request.start = parseInt(dojo.query("#fetchForm")[0].pagingStart.value);
request.count = parseInt(dojo.query("#fetchForm")[0].pagingCount.value);
var requestMethod = "get";
var radioButtons = dojo.query("#fetchForm")[0].requestMethod;
for (var i=0; i<radioButtons.length; i++){
if (radioButtons[i].checked) {
requestMethod = radioButtons[i].value;
}
}
testStore.requestMethod = requestMethod;
testStore.doClientPaging = dojo.query("#fetchForm")[0].doClientPaging.checked;
if (!testStore.doClientPaging) {
// We have to fill the serverQuery, since we also want to send the
// paging data "start" and "count" along with what is in query.
request.serverQuery = {q:request.query.q, start:request.start, count:request.count};
}
request.onComplete = function (items) {
var s = "number of items: "+items.length+"<br /><br />";
for (var i=0; i<items.length; i++) {
s += i+": name: '"+testStore.getValue(items[i], "name")+"'<br />";
}
//s += "<pre>"+dojo.toJson(items)+"</pre>";
dojo.byId("fetchOutput").innerHTML = s;
};
console.log(dojo.toJson(request));
testStore.fetch(request);
}
</script>
</head>
<body class="tundra" style="margin:20px;">
<div dojoType="ComboBoxReadStore" jsId="store" url="stores/QueryReadStore.php" requestMethod="get"></div>
This is a ComboBox: <input id="cb" dojoType="dijit.form.ComboBox" store="store" pageSize="5" />
<br /><br /><hr />
This is a FilteringSelect: <input id="fs" dojoType="dijit.form.FilteringSelect" store="store" pageSize="5" />
<br />
<form id="filteringSelectForm">
<input id="selectById" value="0" size="3" />
<input type="button" value="set by id" onclick="dijit.byId('fs').setValue(dojo.byId('selectById').value)" />
</form>
<br /><br /><hr />
This ComboBox uses a customized QueryReadStore, it prepares the query-string for the URL that
way that the paging parameters "start" and "count" are also send.<br />
<div dojoType="ServerPagingReadStore" jsId="serverPagingStore" url="stores/QueryReadStore.php" requestMethod="get"></div>
<input dojoType="dijit.form.ComboBox" store="serverPagingStore" pageSize="5" />
<br />
<a href="javascript://" onclick="var d = dojo.byId('pagingCode'); d.style.display= d.style.display=='none'?'block':'none';">Click here to see the code!</a>
<div id="pagingCode" style="display:none;">
The HTML might look like this.
<pre>
&lt;div dojoType="ServerPagingReadStore" jsId="serverPagingStore" url="stores/QueryReadStore.php" requestMethod="get"&gt;&lt;/div&gt;
&lt;input dojoType="dijit.form.ComboBox" store="serverPagingStore" pageSize="10" /&gt;
</pre>
<pre>
dojo.require("dojox.data.QueryReadStore");
dojo.provide("ServerPagingReadStore");
dojo.declare("ServerPagingReadStore", dojox.data.QueryReadStore, {
fetch:function(request) {
request.serverQuery = {q:request.query.name, start:request.start, count:request.count};
return this.inherited("fetch", arguments);
}
});
</pre>
</div>
<br /><br />
<hr />
<style>
fieldset {
border:1px solid black;
display:inline;
padding:10px;
}
div.disabled {
opacity:0.1;
}
</style>
<form id="fetchForm">
<fieldset title="requestMethod">
<legend>requestMethod</legend>
get <input type="radio" value="get" checked="checked" name="requestMethod" />
post <input type="radio" value="post" name="requestMethod" />
</fieldset>
<fieldset title="queryOptions">
<legend>queryOptions</legend>
<fieldset id="ignoreCaseFieldset">
<legend><input type="checkbox" id="ignoreCaseEnabled" /> ignoreCase</legend>
<div class="disabled">
true <input type="radio" value="0" checked="checked" name="ignoreCase" />
false <input type="radio" value="1" name="ignoreCase" />
</div>
</fieldset>
<fieldset id="deepFieldset">
<legend><input type="checkbox" id="deepEnabled" /> deep</legend>
<div class="disabled">
true <input type="radio" value="0" name="deep" />
false <input type="radio" value="1" name="deep" checked="checked" />
</div>
</fieldset>
</fieldset>
<fieldset title="paging">
<legend>paging</legend>
start: <input id="pagingStart" value="0" size="3" />
count: <input id="pagingCount" value="10" size="3" />
<br /><br />
do client paging: <input id="doClientPaging" type="checkbox" checked="checked" />
</fieldset>
<script>
var fieldsets = ["ignoreCaseFieldset", "deepFieldset"];
for (var i=0; i<fieldsets.length; i++) {
dojo.connect(dojo.byId(fieldsets[i]), "onchange", toggleFieldset);
}
function toggleFieldset(el) {
var divs = dojo.query("div", el.target.parentNode.parentNode);
if (divs.length) {
var div = divs[0];
if (el.target.checked) {
dojo.removeClass(div, "disabled");
} else {
dojo.addClass(div, "disabled");
}
}
}
</script>
<br /><br />
<input id="searchText" type="text" value="a">
<input id="searchButton" type="button" value="store.fetch()" onclick="doSearch()" />
</form>
<div id="fetchOutput" style="background-color:#FFDDDD; margin-top:1em; float:left;"></div>
</body>
</html>
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