// Factory function for widget objects.
-function widget($, team, type, node) {
+mkws.makeWidget = function($, team, type, node) {
// Static register of attributes that do not contribute to config
var ignoreAttrs = {
id:1, 'class':1, style:1, name:1, action:1, type:1, size:1,
team: team,
type: type,
node: $(node),
- config: mkws.objectInheritingFrom(team.config())
+ config: mkws.objectInheritingFrom(team.config)
};
- function log(s) {
- team.log(s);
- }
- that.log = log;
+ that.trace = team.trace;
+ that.debug = team.debug;
+ that.info = team.info;
+ that.warn = team.warn;
+ that.error = team.error;
+ that.fatal = team.fatal;
that.toString = function() {
return '[Widget ' + team.name() + ':' + type + ']';
return node.value;
};
+ // Returns the HTML of a subwidget of the specified type. It gets
+ // the same attributes at the parent widget that invokes this
+ // function, except where overrides are passed in. If defaults are
+ // also provided, then these are used when the parent widget
+ // provides no values.
+ that.subwidget = function(type, overrides, defaults) {
+ var attrs = { _team: team.name() };
+
+ // Copy locally-set properties from the parent widget
+ for (var name in this.config) {
+ if (this.config.hasOwnProperty(name)) {
+ attrs[name] = this.config[name];
+ this.info(this + " copied property " + name + "='" + attrs[name] + "' to " + type + " subwidget");
+ }
+ }
+
+ for (var name in overrides) {
+ this.info(this + " overrode property " + name + "='" + overrides[name] + "' (was '" + attrs[name] + "') for " + type + " subwidget");
+ attrs[name] = overrides[name];
+ }
+
+ if (defaults) {
+ for (var name in defaults) {
+ if (!attrs[name]) {
+ attrs[name] = defaults[name];
+ this.info(this + " fell back to default property " + name + "='" + attrs[name] + "' for " + type + " subwidget");
+ }
+ }
+ }
+
+ var s = [];
+ s.push('<div class="mkws', type, ' mkws-team-', attrs._team, '"');
+ for (var name in attrs) {
+ if (name !== '_team')
+ s.push(' ', name, '="', attrs[name], '"');
+ }
+ s.push('></div>');
+ return s.join('');
+ };
+
+ function expandValue(val) {
+ if (val.match(/^!param!/)) {
+ var param = val.replace(/^!param!/, '');
+ var optional = param.match(/^\?/);
+ if (optional) {
+ param = param.replace(/^\?/, '');
+ }
+ val = mkws.getParameterByName(param);
+ that.info("obtained val '" + val + "' from param '" + param + "'");
+ if (!val && !optional) {
+ alert("This page has a MasterKey widget that needs a val specified by the '" + param + "' parameter");
+ }
+ } else if (val.match(/^!path!/)) {
+ var index = val.replace(/^!path!/, '');
+ var path = window.location.pathname.split('/');
+ val = path[path.length - index];
+ that.info("obtained val '" + val + "' from path-component '" + index + "'");
+ if (!val) {
+ alert("This page has a MasterKey widget that needs a val specified by the path-component " + index);
+ }
+ } else if (val.match(/^!var!/)) {
+ var name = val.replace(/^!var!/, '');
+ val = window[name]; // It's ridiculous that this works
+ that.info("obtained val '" + val + "' from variable '" + name + "'");
+ if (!val) {
+ alert("This page has a MasterKey widget that needs a val specified by the '" + name + "' variable");
+ }
+ }
+ return val;
+ };
+
+ // Utility function for use by all widgets that can invoke autosearch.
+ that.autosearch = function() {
+ var that = this;
+ var query = this.config.autosearch;
+ if (query) {
+ // Should do this more elegantly with message passing
+ var widget = this.team.widget('query');
+ if (widget) { widget.node.val(query); }
+
+ this.team.queue("ready").subscribe(function() {
+ // Postpone search until the team is ready: configuration
+ // items are not yet set for Record subclass widgets that fill
+ // them in in the subclass, as widget.autosearch is called in
+ // the superclass, before the subclass fiddles with the
+ // configuration.
+ that.team.newSearch(that, query);
+ });
+ }
+ };
+
+ // Utility function for all widgets that want to hide in narrow windows
+ that.hideWhenNarrow = function() {
+ var that = this;
+ this.team.queue("resize-narrow").subscribe(function(n) {
+ that.node.hide();
+ });
+ this.team.queue("resize-wide").subscribe(function(n) {
+ that.node.show();
+ });
+ };
+
+
for (var i = 0; i < node.attributes.length; i++) {
var a = node.attributes[i];
+ var val = expandValue(a.value);
if (a.name === 'data-mkws-config') {
// Treat as a JSON fragment configuring just this widget
- log(node + ": parsing config fragment '" + a.value + "'");
+ this.info(node + ": parsing config fragment '" + val + "'");
var data;
try {
- data = $.parseJSON(a.value);
+ data = $.parseJSON(val);
for (var key in data) {
- log(node + ": adding config element " + key + "='" + data[key] + "'");
+ this.info(node + ": adding config element " + key + "='" + data[key] + "'");
that.config[key] = data[key];
}
} catch (err) {
- alert("Can't parse " + node + " data-mkws-config as JSON: " + a.value);
+ alert("Can't parse " + node + " data-mkws-config as JSON: " + val);
}
} else if (a.name.match (/^data-mkws-/)) {
var name = a.name.replace(/^data-mkws-/, '')
- that.config[name] = a.value;
- log(that + ": set data-mkws attribute " + name + "='" + a.value + "'");
+ that.config[name] = val;
+ this.info(that + ": set data-mkws attribute " + name + "='" + val + "'");
} else if (!ignoreAttrs[a.name]) {
- that.config[a.name] = a.value;
- log(that + ": set regular attribute " + a.name + "='" + a.value + "'");
+ that.config[a.name] = val;
+ this.info(that + ": set regular attribute " + a.name + "='" + val + "'");
}
}
var fn = mkws.promotionFunction(type);
if (fn) {
fn.call(that);
- log("made " + type + " widget(node=" + node + ")");
- } else if (type.match(/-Container-(narrow|wide)$/)) {
+ this.info("made " + type + " widget(node=" + node + ")");
+ } else if (type.match(/-[Cc]ontainer-(narrow|wide)$/)) {
// Not really a widget: no need to log its lack of promotion
} else {
- log("made UNPROMOTED widget(type=" + type + ", node=" + node + ")");
+ this.info("made UNPROMOTED widget(type=" + type + ", node=" + node + ")");
}
return that;
-}
-
-
-// Utility function for use by all widgets that can invoke autosearch.
-widget.autosearch = function(widget) {
- widget.team.queue("ready").subscribe(function() {
- var query = widget.config.autosearch;
- if (query) {
- if (query.match(/^!param!/)) {
- var param = query.replace(/^!param!/, '');
- query = mkws.getParameterByName(param);
- widget.log("obtained query '" + query + "' from param '" + param + "'");
- if (!query) {
- alert("This page has a MasterKey widget that needs a query specified by the '" + param + "' parameter");
- }
- } else if (query.match(/^!path!/)) {
- var index = query.replace(/^!path!/, '');
- var path = window.location.pathname.split('/');
- query = path[path.length - index];
- widget.log("obtained query '" + query + "' from path-component '" + index + "'");
- if (!query) {
- alert("This page has a MasterKey widget that needs a query specified by the path-component " + index);
- }
- } else if (query.match(/^!var!/)) {
- var name = query.replace(/^!var!/, '');
- query = window[name]; // It's ridiculous that this works
- widget.log("obtained query '" + query + "' from variable '" + name + "'");
- if (!query) {
- alert("This page has a MasterKey widget that needs a query specified by the '" + name + "' variable");
- }
- }
-
- var sortOrder = widget.config.sort;
- var maxrecs = widget.config.maxrecs;
- var perpage = widget.config.perpage;
- var limit = widget.config.limit;
- var targets = widget.config.targets;
- var targetfilter = widget.config.targetfilter;
- var target = widget.config.target;
- if (target) targetfilter = 'udb=="' + target + '"';
-
- var s = "running auto search: '" + query + "'";
- if (sortOrder) s += " sorted by '" + sortOrder + "'";
- if (maxrecs) s += " restricted to " + maxrecs + " records";
- if (perpage) s += " with " + perpage + " per page";
- if (limit) s += " limited by '" + limit + "'";
- if (targets) s += " in targets '" + targets + "'";
- if (targetfilter) s += " constrained by targetfilter '" + targetfilter + "'";
- widget.log(s);
-
- widget.team.newSearch(query, sortOrder, maxrecs, perpage, limit, targets, targetfilter);
- }
- });
};
-
-
-// Utility function for all widgets that want to hide in narrow windows
-widget.hideWhenNarrow = function(widget) {
- widget.team.queue("resize-narrow").subscribe(function(n) {
- widget.node.hide();
- });
- widget.team.queue("resize-wide").subscribe(function(n) {
- widget.node.show();
- });
-};
-
-