all-entities-mdq-beta.js

/**
 * Displays an alphabetized list of global entity display names.
 * Each display name is linked to the metadata for that entity.
 */

// helps prevent a "flash of unstyled content"
$('html').addClass('js');

$(document).ready(function () {
	"use strict";

	// there has to be a better way to get the base_url
	var base_url = 'http://mdq-beta.incommon.org/global';

	var my_prompt = "(enter entityID above)";
	$("#mdq-request-url").text(my_prompt);

	// the base_url is outside the scope of this function
	$('#any-entityid').bind('textchange', function (event, previousText) {
		// it's probably not a good idea to embed the base_url in the page text
		var idp_entityid = $('#any-entityid').val();
		if (idp_entityid == "") {
			$("#mdq-request-url").text(my_prompt);
		} else {
			var url = base_url;
			url += '/entities/';
			url += encodeURIComponent(idp_entityid);
			$("#mdq-request-url").html(
				$('<a/>').attr('href', url).text(url)
			);
		}
	});
	
	$('#any-entityid-reset').bind('click', function () {
		$('#any-entityid').val('');
		$("#mdq-request-url").text(my_prompt);
	});
	
	$('#page-content').hide().ajaxStop(
		function () { $(this).show(); }
	);
	$("#loading").ajaxStart(function () {
		// the image is 31x31 pixels
		var x = Math.round((document.body.clientWidth - 31) / 2);
		$(this).css('left', x);
		$(this).show();
	}).ajaxStop(function () { $(this).hide(); });

	// initialize tabs
	var tabIndexIdP = 0, tabIndexSP = 1;
	var myTabs = $('#tabs').tabs();

	// set the hash in the address bar every time a tab is selected
	myTabs.bind('tabsselect', function (event, ui) {
		window.location.hash = "#" + ui.panel.id;
	});

	// determine initial state of tabbed interface
	var showIdPsTab, showSPsTab;
	var hash = window.location.hash;
	if (hash != null) {
		if ( /^#IdPs/.test(hash) ) {
			showIdPsTab = true; showSPsTab = false;
		} else if ( /^#SPs/.test(hash) ) {
			showIdPsTab = false; showSPsTab = true;
		} else {
			showIdPsTab = true; showSPsTab = false;
			//window.location.hash = "#IdPs";
		}
	} else {
		showIdPsTab = true; showSPsTab = false;
		//window.location.hash = "#IdPs";
	}
	
	// initial state of search form
	$('#form-container').hide();
	$('#search-link').text("show search");
	
	// an onclick handler for the search link
	$('#search-link').unbind('click');
	$('#search-link').bind('click', function () {

		if ($('#search-link').text() == "hide search") {
			$('#search-link').text("show search");
			$('#form-container').hide();			
		} else {
			$('#search-link').text("hide search");
			$('#form-container').show();
		}

		// prevent the browser from following the link
		return false;
	});

	// an associative array of registrars indexed by registrarID
	//   registrars[registrarID].num_entities
	//   registrars[registrarID].num_idp_roles
	//   registrars[registrarID].num_sp_roles
	//   registrars[registrarID].num_other_roles
	//   registrars[registrarID].registrar_class
	var registrars = new Object;  // singular?

	// an onclick handler for the checkboxes
	var registrar_id_selector = '#list-of-registrars';
	var refresh_entity_lists = function () {
		// grand totals
		var total_num_idp_roles = 0;
		var total_num_sp_roles = 0;
		var total_num_other_roles = 0;
		
		$('table.list-of-entities').hide();
		
		// iterate over the checkboxes
		$(registrar_id_selector).find('input.registrar-checkbox[type=checkbox]').each(function () {
			var registrarID, registrar_class;
		
			// the value of this checkbox is the registrar ID
			registrarID = this.value;
		
			// get the class for this registrar
			registrar_class = registrars[registrarID].registrar_class;
				
			if (this.checked) {
				$('tr.' + registrar_class).show();
				
				// update the grand totals
				total_num_idp_roles += registrars[registrarID].num_idp_roles;
				total_num_sp_roles += registrars[registrarID].num_sp_roles;
				total_num_other_roles += registrars[registrarID].num_other_roles;			
			} else {
				$('tr.' + registrar_class).hide();
			}
		});
		
		// set the text in each tab
		$('li#idps-tab > a').text('IdPs (' + total_num_idp_roles + ')');
		$('li#sps-tab > a').text('SPs (' + total_num_sp_roles + ')');
		$('li#other-tab > a').text('Other (' + total_num_other_roles + ')');

		$('table.list-of-entities').show();
	}

	// handle successful ajax call for all global entity metadata
	var handleDone = function (entities) {
		var i;
		
		var entity, entityID, registrarID, registrar_class;
		
		// grand totals
		var total_num_entities = 0;
		var total_num_idp_roles = 0;
		var total_num_sp_roles = 0;
		var total_num_other_roles = 0;
		
		var add_entity_to_list;
		var hasOtherRole;
		
		// selectors
		var idp_id_selector = '#list-of-idps';
		var sp_id_selector = '#list-of-sps';
		var other_id_selector = '#list-of-other-entities';
		var total_entities_id_selector = '#total-num-entities';
		var total_idps_id_selector = '#total-num-idp-roles';
		var total_sps_id_selector = '#total-num-sp-roles';
		var total_other_id_selector = '#total-num-other-roles';
		var master_checkbox_id_selector = '#master-checkbox';

		// dynamically build various entity lists, and at the same time,
		// track information about each registrar
		for (i = 0; i < entities.length; i += 1) {
			entity = new ProtocolEntity(entities[i]);
		
			// the required fields of each entity
			entityID = entity.getEntityID();
			registrarID = entity.getRegistrarID();
			
			// create a new registrar object if necessary
			if (typeof registrars[registrarID] === 'undefined') {
				registrars[registrarID] = new Object;
				registrars[registrarID].num_entities = 0;
				registrars[registrarID].num_idp_roles = 0;
				registrars[registrarID].num_sp_roles = 0;
				registrars[registrarID].num_other_roles = 0;
				registrars[registrarID].registrar_class = '_' + Crypto.MD5(registrarID);
			}
			registrars[registrarID].num_entities += 1;
			registrar_class = registrars[registrarID].registrar_class;
			
			// the entityID, registrarID, and registrar_class are outside the scope of this function
			add_entity_to_list = function (displayName, selector) {
				var first_col, second_col;
				
				// compute the link according to Metadata Query Protocol
				// (the base_url is outside the scope of this function)
				first_col = $('<span/>').html(
					$('<a/>').attr({
						'href': base_url + '/entities/' + encodeURIComponent(entityID)
					}).text(displayName)
				).addClass('space-right');
	
				// compute the registrar ID
				second_col = $('<span/>').text(
					registrarID
				).addClass('space-right');
	
				// add a new row to the desired element, either a table or a tbody
				$('<tr/>')
					.append($('<td/>').html(first_col))
					.append($('<td/>').html(second_col))
					.addClass(registrar_class)
					.appendTo(selector);
			}
			
			// If the entity is an IdP, add the entity to the list of IdPs
			// registered by this registrar. Likewise, if the entity is an SP,
			// add the entity to the list of SPs registered by this registrar.
			// If neither of these conditions is true, add the entity to the
			// list of "Other" entities registered by this registrar.
			//
			// Note that a given entity may appear on both the IdP list and the SP
			// list. Also note that every entity appears on at least one list.
			//
			hasOtherRole = true;  // assume entity is neither IdP nor SP
			if (entity.isIdP()) {
				hasOtherRole = false;
				registrars[registrarID].num_idp_roles += 1;
				
				// add this entity to the list of entities with an IdP role
				add_entity_to_list(entity.getIdPDisplayName(), idp_id_selector);
			}
			if (entity.isSP()) {
				hasOtherRole = false;
				registrars[registrarID].num_sp_roles += 1;
				
				// add this entity to the list of entities with an SP role
				add_entity_to_list(entity.getSPDisplayName(), sp_id_selector);
			} 
			if (hasOtherRole) {
				registrars[registrarID].num_other_roles += 1;
				
				// add this entity to the list of entities with an "other" role
				add_entity_to_list(entityID, other_id_selector);
			}
		}
		
		// build the registrar table
		for (registrarID in registrars) {
		
			// add a new row to the registrar summary table
			$('<tr/>')
				.append(
					$('<td/>').html(
						$('<input/>')
							.addClass('registrar-checkbox')
							.attr({
								'type': 'checkbox', 
								'name': 'registrar', 
								'value': registrarID
							})
					)
				)
				.append(
					$('<td/>').html(
						$('<span/>').text(registrarID)
					)
				)
				.append(
					$('<td/>').text(
						registrars[registrarID].num_entities
					).addClass('number-body')
				)
				.append(
					$('<td/>').text(
						registrars[registrarID].num_idp_roles
					).addClass('number-body')
				)
				.append(
					$('<td/>').text(
						registrars[registrarID].num_sp_roles
					).addClass('number-body')
				)
				.append(
					$('<td/>').text(
						registrars[registrarID].num_other_roles
					).addClass('number-body')
				)
				.appendTo(registrar_id_selector);
				
			// update the grand totals
			total_num_entities += registrars[registrarID].num_entities;
			total_num_idp_roles += registrars[registrarID].num_idp_roles;
			total_num_sp_roles += registrars[registrarID].num_sp_roles;
			total_num_other_roles += registrars[registrarID].num_other_roles;			
		}
		
		// set the footer content in the registrars table
		$(total_entities_id_selector).text(total_num_entities);
		$(total_idps_id_selector).text(total_num_idp_roles);
		$(total_sps_id_selector).text(total_num_sp_roles);
		$(total_other_id_selector).text(total_num_other_roles);
	
		// initialize the table of registrars
		$(registrar_id_selector).tablesorter({
			// initial sort on the third column, order descending
			sortList: [ [1, 0] ],
			headers: {
				0: { sorter: false, parser: false }
			}
		});
		
		// initially check all the checkboxes
		$(registrar_id_selector).find('input[type=checkbox]').each(function () {
			this.checked = true;
		});
		
		// checkbox event handlers must be bound AFTER tablesorter is initialized	
        $(master_checkbox_id_selector).on('click', function () {
            $(this).closest('fieldset').find(':checkbox').prop('checked', this.checked);
 			refresh_entity_lists();
		});
		$('.registrar-checkbox').on('click', function () {
 			refresh_entity_lists();
			if ($('.registrar-checkbox:checked').length === 0) {
				$(master_checkbox_id_selector).
					prop("indeterminate", false).
					prop('checked', false);
			} else if ($('.registrar-checkbox:not(:checked)').length === 0) {
				$(master_checkbox_id_selector).
					prop("indeterminate", false).
					prop('checked', true);
			} else {
				$(master_checkbox_id_selector).
					prop("indeterminate", true);
			}
		});

		// initialize tabs
		$('li#idps-tab > a').text('IdPs (' + total_num_idp_roles + ')');
		$('li#sps-tab > a').text('SPs (' + total_num_sp_roles + ')');
		$('li#other-tab > a').text('Other (' + total_num_other_roles + ')');

		// initialize the table of IdPs
		$(idp_id_selector).tablesorter({
			// initial sort on the first column, order ascending
			sortList: [ [1, 0], [0, 0] ],
			sortStable: true
		});
		// initialize the table of SPs
		$(sp_id_selector).tablesorter({
			// initial sort on the first column, order ascending
			sortList: [ [1, 0], [0, 0] ],
			sortStable: true
		});
		// initialize the table of other entities
		$(other_id_selector).tablesorter({
			// initial sort on the first column, order ascending
			sortList: [ [1, 0], [0, 0] ],
			sortStable: true
		});

		if (showIdPsTab) {
			myTabs.tabs('select', tabIndexIdP);
		} else if (showSPsTab) {
			myTabs.tabs('select', tabIndexSP);
		}
		$('#page-content').show();
	};

	// handle failed ajax call for all global entity metadata
	var handleFail = function () {
		$.displayErrorMsg("Unable to retrieve all global entity metadata");
	};

	$.getJSONMetadata4AllGlobalEntities(handleDone, handleFail);
		
});