+"use strict";
// Factory function for team objects. As much as possible, this uses
// only member variables (prefixed "m_") and inner functions with
// private scope.
//
mkws.makeTeam = function($, teamName) {
var that = {};
- // Note: separate constants from state, which should be in an object
+
+ // Member variables are separated into two categories
+
+ // 1. Persistent state (to be coded in URL fragment)
+ var m_state = {
+ query: null, // initially undefined
+ sort: null, // will be set below
+ size: null, // will be set below
+ page: 1,
+ recid: '',
+ filters: filterSet(that)
+ }
+
+ // 2. Internal state (not to be coded)
var m_teamName = teamName;
+ var m_paz; // will be initialised below
var m_submitted = false;
- var m_query; // initially undefined
- var m_sortOrder; // will be set below
- var m_perpage; // will be set below
- var m_filterSet = filterSet(that);
var m_totalRecordCount = 0;
- var m_currentPage = 1;
- var m_currentRecordId = '';
var m_currentRecordData = null;
var m_logTime = {
// Timestamps for logging
"start": $.now(),
"last": $.now()
};
- var m_paz; // will be initialised below
var m_templateText = {}; // widgets can register templates to be compiled
var m_template = {}; // compiled templates, from any source
var m_widgets = {}; // Maps widget-type to array of widget objects
// Accessor methods for individual widgets: readers
that.name = function() { return m_teamName; };
that.submitted = function() { return m_submitted; };
- that.sortOrder = function() { return m_sortOrder; };
- that.perpage = function() { return m_perpage; };
- that.query = function() { return m_query; };
+ that.sortOrder = function() { return m_state.sort; };
+ that.perpage = function() { return m_state.size; };
+ that.query = function() { return m_state.query; };
that.totalRecordCount = function() { return m_totalRecordCount; };
- that.currentPage = function() { return m_currentPage; };
- that.currentRecordId = function() { return m_currentRecordId; };
+ that.currentPage = function() { return m_state.page; };
+ that.currentRecordId = function() { return m_state.recid; };
that.currentRecordData = function() { return m_currentRecordData; };
- that.filters = function() { return m_filterSet; };
+ that.filters = function() { return m_state.filters; };
that.gotRecords = function() { return m_gotRecords; };
// Accessor methods for individual widgets: writers
- that.set_sortOrder = function(val) { m_sortOrder = val };
- that.set_perpage = function(val) { m_perpage = val };
+ that.set_sortOrder = function(val) { m_state.sort = val };
+ that.set_perpage = function(val) { m_state.size = val };
+
+ m_state.sort = config.sort_default;
+ m_state.size = config.perpage_default;
+
+ var m_default = $.extend(true, {}, m_state);
+ var tmp = m_default.filters;
+ delete m_default.filters;
+ $.extend(m_default, tmp.fragmentItems());
+
+ that.urlFragment = function(overrides) {
+ var s;
+
+ // Expand the filterSet into a set of key=value properties
+ var state = $.extend(true, {}, m_state, overrides ? overrides : {});
+ var tmp = state.filters;
+ delete state.filters;
+ $.extend(state, tmp.fragmentItems());
+
+ for (var key in state) {
+ if (state.hasOwnProperty(key) &&
+ state[key] != m_default[key]) {
+ if (!s) {
+ var s = 'mkws';
+ if (m_teamName !== 'AUTO') s += m_teamName;
+ s += '=';
+ } else {
+ s += "@";
+ }
+
+ // ### how do we need to quote this?
+ s += key + '=' + state[key];
+ }
+ }
+
+ return s;
+ }
+
+ // ### what quoting do we need to undo? Complement of previous function
+ that.parseFragment = function(s) {
+ var x = {};
+
+ var list = s.split('@');
+ for (var i in list) {
+ var a = list[i].split('=');
+ x[a[0]] = a[1];
+ }
+
+ return x;
+ }
+
+ that.handleChanges = function(oldState, newState) {
+ for (var key in newState) {
+ if (newState.hasOwnProperty(key) &&
+ (!oldState || newState[key] != oldState[key])) {
+ that.warn("changed property " + key + ": '" + oldState[key] + "' -> '" + newState[key] + "'");
+ }
+ }
+ };
// The following PubSub code is modified from the jQuery manual:
that.info("making new widget team");
- m_sortOrder = config.sort_default;
- m_perpage = config.perpage_default;
-
// pz2.js event handlers:
function onInit() {
that.info("init");
that.targetFiltered = function(id) {
- return m_filterSet.targetFiltered(id);
+ return m_state.filters.targetFiltered(id);
};
that.limitTarget = function(id, name) {
that.info("limitTarget(id=" + id + ", name=" + name + ")");
- m_filterSet.add(targetFilter(id, name));
- if (m_query) triggerSearch();
+ m_state.filters.add(targetFilter(id, name));
+ if (m_state.query) triggerSearch();
return false;
};
that.limitQuery = function(field, value) {
that.info("limitQuery(field=" + field + ", value=" + value + ")");
- m_filterSet.add(fieldFilter(field, value));
- if (m_query) triggerSearch();
+ m_state.filters.add(fieldFilter(field, value));
+ if (m_state.query) triggerSearch();
return false;
};
that.limitCategory = function(id) {
that.info("limitCategory(id=" + id + ")");
// Only one category filter at a time
- m_filterSet.removeMatching(function(f) { return f.type === 'category' });
- if (id !== '') m_filterSet.add(categoryFilter(id));
- if (m_query) triggerSearch();
+ m_state.filters.removeMatching(function(f) { return f.type === 'category' });
+ if (id !== '') m_state.filters.add(categoryFilter(id));
+ if (m_state.query) triggerSearch();
return false;
};
that.delimitTarget = function(id) {
that.info("delimitTarget(id=" + id + ")");
- m_filterSet.removeMatching(function(f) { return f.type === 'target' });
- if (m_query) triggerSearch();
+ m_state.filters.removeMatching(function(f) { return f.type === 'target' });
+ if (m_state.query) triggerSearch();
return false;
};
that.delimitQuery = function(field, value) {
that.info("delimitQuery(field=" + field + ", value=" + value + ")");
- m_filterSet.removeMatching(function(f) { return f.type == 'field' &&
+ m_state.filters.removeMatching(function(f) { return f.type == 'field' &&
field == f.field && value == f.value });
- if (m_query) triggerSearch();
+ if (m_state.query) triggerSearch();
return false;
};
that.showPage = function(pageNum) {
- m_currentPage = pageNum;
- m_paz.showPage(m_currentPage - 1);
+ m_state.page = pageNum;
+ m_paz.showPage(m_state.page - 1);
+ that.warn("fragment: " + that.urlFragment());
};
that.pagerNext = function() {
- if (m_totalRecordCount - m_perpage*m_currentPage > 0) {
+ if (m_totalRecordCount - m_state.size * m_state.page > 0) {
m_paz.showNext();
- m_currentPage++;
+ m_state.page++;
+ that.warn("fragment: " + that.urlFragment());
}
};
that.pagerPrev = function() {
- if (m_paz.showPrev() != false)
- m_currentPage--;
+ if (m_paz.showPrev() != false) {
+ m_state.page--;
+ that.warn("fragment: " + that.urlFragment());
+ }
};
that.reShow = function() {
resetPage();
- m_paz.show(0, m_perpage, m_sortOrder);
+ m_paz.show(0, m_state.size, m_state.sort);
+ // ### not really the right place for this but it will do for now.
+ that.warn("fragment: " + that.urlFragment());
};
function resetPage() {
- m_currentPage = 1;
+ m_state.page = 1;
m_totalRecordCount = 0;
m_gotRecords = false;
}
return;
}
- m_filterSet.removeMatching(function(f) { return f.type !== 'category' });
+ m_state.filters.removeMatching(function(f) { return f.type !== 'category' });
triggerSearch(query, sortOrder, maxrecs, perpage, limit, targets, torusquery);
switchView('records'); // In case it's configured to start off as hidden
m_submitted = true;
resetPage();
// Continue to use previous query/sort-order unless new ones are specified
- if (query) m_query = query;
- if (sortOrder) m_sortOrder = sortOrder;
- if (perpage) m_perpage = perpage;
- if (targets) m_filterSet.add(targetFilter(targets, targets));
-
- var pp2filter = m_filterSet.pp2filter();
- var pp2limit = m_filterSet.pp2limit(limit);
- var pp2catLimit = m_filterSet.pp2catLimit();
+ if (query) m_state.query = query;
+ if (sortOrder) m_state.sort = sortOrder;
+ if (perpage) m_state.size = perpage;
+ if (targets) m_state.filters.add(targetFilter(targets, targets));
+
+ var pp2filter = m_state.filters.pp2filter();
+ var pp2limit = m_state.filters.pp2limit(limit);
+ var pp2catLimit = m_state.filters.pp2catLimit();
if (pp2catLimit) {
pp2filter = pp2filter ? pp2filter + "," + pp2catLimit : pp2catLimit;
}
params.torusquery = torusquery;
}
- that.info("triggerSearch(" + m_query + "): filters = " + m_filterSet.toJSON() + ", " +
+ that.info("triggerSearch(" + m_state.query + "): filters = " + m_state.filters.toJSON() + ", " +
"pp2filter = " + pp2filter + ", params = " + $.toJSON(params));
- m_paz.search(m_query, m_perpage, m_sortOrder, pp2filter, undefined, params);
+ m_paz.search(m_state.query, m_state.size, m_state.sort, pp2filter, undefined, params);
queue("searchtriggered").publish();
+
+ // ### not really the right place for this but it will do for now.
+ that.warn("fragment: " + that.urlFragment());
}
// fetch record details to be retrieved from the record queue
that.fetchDetails = function(recId) {
that.info("fetchDetails() requesting record '" + recId + "'");
m_paz.record(recId);
+ that.warn("fragment: " + that.urlFragment());
};
// detailed record drawing
that.showDetails = function(recId) {
- var oldRecordId = m_currentRecordId;
- m_currentRecordId = recId;
+ var oldRecordId = m_state.recid;
+ m_state.recid = recId;
// remove current detailed view if any
findnode('#' + recordDetailsId(oldRecordId)).remove();
// if the same clicked, just hide
if (recId == oldRecordId) {
- m_currentRecordId = '';
+ m_state.recid = '';
m_currentRecordData = null;
return;
}