update YUI to 2.8.0r4
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Graham Knop
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27f474ec64
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2007 changed files with 344487 additions and 210070 deletions
216
www/extras/yui/examples/datatable/dt_bhm_clean.html
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www/extras/yui/examples/datatable/dt_bhm_clean.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Integrating Browser History Manager with Server-side Pagination and Sorting</title>
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<style type="text/css">
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/*margin and padding on body element
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can introduce errors in determining
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element position and are not recommended;
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we turn them off as a foundation for YUI
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CSS treatments. */
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body {
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margin:0;
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padding:0;
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}
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</style>
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<link rel="stylesheet" type="text/css" href="../../build/fonts/fonts-min.css" />
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<link rel="stylesheet" type="text/css" href="../../build/paginator/assets/skins/sam/paginator.css" />
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<link rel="stylesheet" type="text/css" href="../../build/datatable/assets/skins/sam/datatable.css" />
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<script type="text/javascript" src="../../build/yahoo-dom-event/yahoo-dom-event.js"></script>
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<script type="text/javascript" src="../../build/datasource/datasource-min.js"></script>
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<script type="text/javascript" src="../../build/connection/connection-min.js"></script>
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<script type="text/javascript" src="../../build/json/json-min.js"></script>
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<script type="text/javascript" src="../../build/history/history-min.js"></script>
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<script type="text/javascript" src="../../build/element/element-min.js"></script>
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<script type="text/javascript" src="../../build/paginator/paginator-min.js"></script>
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<script type="text/javascript" src="../../build/datatable/datatable-min.js"></script>
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<!--begin custom header content for this example-->
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<style type="text/css">
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/* custom styles for this example */
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#yui-history-iframe {
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position:absolute;
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top:0; left:0;
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width:1px; height:1px; /* avoid scrollbars */
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visibility:hidden;
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}
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</style>
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<!--end custom header content for this example-->
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</head>
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<body class="yui-skin-sam">
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<h1>Integrating Browser History Manager with Server-side Pagination and Sorting</h1>
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<div class="exampleIntro">
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<p>This example combines server-side pagination and sorting with the Browser
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History Manager for the ability to bookmark states.</p>
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</div>
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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<iframe id="yui-history-iframe" src="assets/html/blank.html"></iframe>
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<input id="yui-history-field" type="hidden">
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<div id="dt-pag-nav"></div>
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<div id="bhmintegration"></div>
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<script type="text/javascript">
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(function () {
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// Create the DataSource
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var myDataSource = new YAHOO.util.DataSource("assets/php/json_proxy.php?");
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myDataSource.responseType = YAHOO.util.DataSource.TYPE_JSON;
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myDataSource.responseSchema = {
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resultsList: "records",
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fields: ["id","name","date","price"],
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metaFields: {
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totalRecords: "totalRecords",
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paginationRecordOffset : "startIndex",
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paginationRowsPerPage : "pageSize",
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sortKey: "sort",
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sortDir: "dir"
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}
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};
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// Create the Paginator
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var myPaginator = new YAHOO.widget.Paginator({
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containers : ["dt-pag-nav"],
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template : "{PreviousPageLink} {CurrentPageReport} {NextPageLink} {RowsPerPageDropdown}",
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pageReportTemplate : "Showing items {startIndex} - {endIndex} of {totalRecords}",
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rowsPerPageOptions : [10,25,50,100]
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});
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// Define Columns
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var myColumnDefs = [
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{key:"id", label:"ID", sortable:true},
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{key:"name", label:"Name", sortable:true},
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{key:"date", label:"Date", sortable:true},
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{key:"price", label:"Price", sortable:true}
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];
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// DataTable configurations
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var myConfig = {
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paginator : myPaginator,
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dynamicData : true,
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initialLoad : false
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};
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// Instantiate DataTable
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var myDataTable = new YAHOO.widget.DataTable(
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"bhmintegration", myColumnDefs, myDataSource, myConfig
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);
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// Show loading message while page is being rendered
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myDataTable.showTableMessage(myDataTable.get("MSG_LOADING"), YAHOO.widget.DataTable.CLASS_LOADING);
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// Add the instances to the YAHOO.example namespace for inspection
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YAHOO.example.BHMIntegration = {
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myPaginator : myPaginator,
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myDataSource : myDataSource,
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myDataTable : myDataTable
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};
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// Integrate with Browser History Manager
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var History = YAHOO.util.History;
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// Define a custom function to route sorting through the Browser History Manager
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var handleSorting = function (oColumn) {
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// Calculate next sort direction for given Column
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var sDir = this.getColumnSortDir(oColumn);
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// The next state will reflect the new sort values
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// while preserving existing pagination rows-per-page
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// As a best practice, a new sort will reset to page 0
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var newState = generateRequest(0, oColumn.key, sDir, this.get("paginator").getRowsPerPage());
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// Pass the state along to the Browser History Manager
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History.navigate("myDataTable", newState);
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};
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myDataTable.sortColumn = handleSorting;
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// Define a custom function to route pagination through the Browser History Manager
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var handlePagination = function(state) {
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// The next state will reflect the new pagination values
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// while preserving existing sort values
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// Note that the sort direction needs to be converted from DataTable format to server value
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var sortedBy = this.get("sortedBy"),
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newState = generateRequest(
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state.recordOffset, sortedBy.key, sortedBy.dir, state.rowsPerPage
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);
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// Pass the state along to the Browser History Manager
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History.navigate("myDataTable", newState);
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};
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// First we must unhook the built-in mechanism...
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myPaginator.unsubscribe("changeRequest", myDataTable.onPaginatorChangeRequest);
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// ...then we hook up our custom function
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myPaginator.subscribe("changeRequest", handlePagination, myDataTable, true);
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// Update payload data on the fly for tight integration with latest values from server
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myDataTable.doBeforeLoadData = function(oRequest, oResponse, oPayload) {
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var meta = oResponse.meta;
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oPayload.totalRecords = meta.totalRecords || oPayload.totalRecords;
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oPayload.pagination = {
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rowsPerPage: meta.paginationRowsPerPage || 10,
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recordOffset: meta.paginationRecordOffset || 0
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};
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oPayload.sortedBy = {
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key: meta.sortKey || "id",
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dir: (meta.sortDir) ? "yui-dt-" + meta.sortDir : "yui-dt-asc" // Convert from server value to DataTable format
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};
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return true;
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};
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// Returns a request string for consumption by the DataSource
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var generateRequest = function(startIndex,sortKey,dir,results) {
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startIndex = startIndex || 0;
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sortKey = sortKey || "id";
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dir = (dir) ? dir.substring(7) : "asc"; // Converts from DataTable format "yui-dt-[dir]" to server value "[dir]"
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results = results || 10;
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return "results="+results+"&startIndex="+startIndex+"&sort="+sortKey+"&dir="+dir;
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};
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// Called by Browser History Manager to trigger a new state
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var handleHistoryNavigation = function (request) {
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// Sends a new request to the DataSource
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myDataSource.sendRequest(request,{
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success : myDataTable.onDataReturnSetRows,
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failure : myDataTable.onDataReturnSetRows,
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scope : myDataTable,
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argument : {} // Pass in container for population at runtime via doBeforeLoadData
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});
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};
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// Calculate the first request
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var initialRequest = History.getBookmarkedState("myDataTable") || // Passed in via URL
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generateRequest(); // Get default values
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// Register the module
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History.register("myDataTable", initialRequest, handleHistoryNavigation);
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// Render the first view
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History.onReady(function() {
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// Current state after BHM is initialized is the source of truth for what state to render
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var currentState = History.getCurrentState("myDataTable");
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handleHistoryNavigation(currentState);
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});
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// Initialize the Browser History Manager.
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YAHOO.util.History.initialize("yui-history-field", "yui-history-iframe");
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})();
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</script>
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<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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</body>
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</html>
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