1 // Factory function for widget objects.
2 mkws.makeWidget = function($, team, type, node) {
3 // Static register of attributes that do not contribute to config
5 id:1, 'class':1, style:1, name:1, action:1, type:1, size:1,
6 value:1, width:1, valign:1
13 config: mkws.objectInheritingFrom(team.config)
16 that.trace = team.trace;
17 that.debug = team.debug;
18 that.info = team.info;
19 that.warn = team.warn;
20 that.error = team.error;
21 that.fatal = team.fatal;
23 that.toString = function() {
24 return '[Widget ' + team.name() + ':' + type + ']';
27 that.value = function() {
31 // Returns the HTML of a subwidget of the specified type. It gets
32 // the same attributes at the parent widget that invokes this
33 // function, except where overrides are passed in. If defaults are
34 // also provided, then these are used when the parent widget
35 // provides no values.
36 that.subwidget = function(type, overrides, defaults) {
37 var attrs = { _team: team.name() };
39 // Copy locally-set properties from the parent widget
40 for (var name in this.config) {
41 if (this.config.hasOwnProperty(name)) {
42 attrs[name] = this.config[name];
43 this.info(this + " copied property " + name + "='" + attrs[name] + "' to " + type + " subwidget");
47 for (var name in overrides) {
48 this.info(this + " overrode property " + name + "='" + overrides[name] + "' (was '" + attrs[name] + "') for " + type + " subwidget");
49 attrs[name] = overrides[name];
53 for (var name in defaults) {
55 attrs[name] = defaults[name];
56 this.info(this + " fell back to default property " + name + "='" + attrs[name] + "' for " + type + " subwidget");
62 s.push('<div class="mkws', type, ' mkws-team-', attrs._team, '"');
63 for (var name in attrs) {
65 s.push(' ', name, '="', attrs[name], '"');
71 function expandValue(val) {
72 if (val.match(/^!param!/)) {
73 var param = val.replace(/^!param!/, '');
74 var optional = param.match(/^\?/);
76 param = param.replace(/^\?/, '');
78 val = mkws.getParameterByName(param);
79 that.info("obtained val '" + val + "' from param '" + param + "'");
80 if (!val && !optional) {
81 alert("This page has a MasterKey widget that needs a val specified by the '" + param + "' parameter");
83 } else if (val.match(/^!path!/)) {
84 var index = val.replace(/^!path!/, '');
85 var path = window.location.pathname.split('/');
86 val = path[path.length - index];
87 that.info("obtained val '" + val + "' from path-component '" + index + "'");
89 alert("This page has a MasterKey widget that needs a val specified by the path-component " + index);
91 } else if (val.match(/^!var!/)) {
92 var name = val.replace(/^!var!/, '');
93 val = window[name]; // It's ridiculous that this works
94 that.info("obtained val '" + val + "' from variable '" + name + "'");
96 alert("This page has a MasterKey widget that needs a val specified by the '" + name + "' variable");
102 // Utility function for use by all widgets that can invoke autosearch.
103 that.autosearch = function() {
105 var query = this.config.autosearch;
107 // Should do this more elegantly with message passing
108 var widget = this.team.widget('query');
109 if (widget) { widget.node.val(query); }
111 this.team.queue("ready").subscribe(function() {
112 // Postpone testing for the configuration items: these are not
113 // yet set for Record subclass widgets that fill them in in the
114 // subclass, as widget.autosearch is called in the superclass,
115 // before the subclass fiddles with the configuration.
116 var sortOrder = that.config.sort;
117 var maxrecs = that.config.maxrecs;
118 var perpage = that.config.perpage;
119 var limit = that.config.limit;
120 var targets = that.config.targets;
121 var targetfilter = that.config.targetfilter;
122 var target = that.config.target;
123 if (target) targetfilter = 'udb=="' + target + '"';
125 var s = "running auto search: '" + query + "'";
126 if (sortOrder) s += " sorted by '" + sortOrder + "'";
127 if (maxrecs) s += " restricted to " + maxrecs + " records";
128 if (perpage) s += " with " + perpage + " per page";
129 if (limit) s += " limited by '" + limit + "'";
130 if (targets) s += " in targets '" + targets + "'";
131 if (targetfilter) s += " constrained by targetfilter '" + targetfilter + "'";
134 that.team.newSearch(query, sortOrder, maxrecs, perpage, limit, targets, targetfilter);
139 // Utility function for all widgets that want to hide in narrow windows
140 that.hideWhenNarrow = function() {
142 this.team.queue("resize-narrow").subscribe(function(n) {
145 this.team.queue("resize-wide").subscribe(function(n) {
151 for (var i = 0; i < node.attributes.length; i++) {
152 var a = node.attributes[i];
153 var val = expandValue(a.value);
154 if (a.name === 'data-mkws-config') {
155 // Treat as a JSON fragment configuring just this widget
156 this.info(node + ": parsing config fragment '" + val + "'");
159 data = $.parseJSON(val);
160 for (var key in data) {
161 this.info(node + ": adding config element " + key + "='" + data[key] + "'");
162 that.config[key] = data[key];
165 alert("Can't parse " + node + " data-mkws-config as JSON: " + val);
167 } else if (a.name.match (/^data-mkws-/)) {
168 var name = a.name.replace(/^data-mkws-/, '')
169 that.config[name] = val;
170 this.info(that + ": set data-mkws attribute " + name + "='" + val + "'");
171 } else if (!ignoreAttrs[a.name]) {
172 that.config[a.name] = val;
173 this.info(that + ": set regular attribute " + a.name + "='" + val + "'");
177 var fn = mkws.promotionFunction(type);
180 this.info("made " + type + " widget(node=" + node + ")");
181 } else if (type.match(/-[Cc]ontainer-(narrow|wide)$/)) {
182 // Not really a widget: no need to log its lack of promotion
184 this.info("made UNPROMOTED widget(type=" + type + ", node=" + node + ")");