X-Git-Url: http://git.indexdata.com/?p=mkws-moved-to-github.git;a=blobdiff_plain;f=src%2Fmkws-widget.js;h=6bae333f7bc495f66790a535f71212acc53d5aea;hp=b67603900e0923e9bf555c3bfb06c87db6cddb55;hb=3ab78d05190c4ac0012b09fdfa54b20152badacf;hpb=e9bf513397bb71afc80260e2c5da7856f47420c6

diff --git a/src/mkws-widget.js b/src/mkws-widget.js
index b676039..6bae333 100644
--- a/src/mkws-widget.js
+++ b/src/mkws-widget.js
@@ -66,28 +66,114 @@ function widget($, team, type, node) {
     return s.join('');
   };
 
+  that.expandValue = function(val) {
+    if (val.match(/^!param!/)) {
+      var param = val.replace(/^!param!/, '');
+      val = mkws.getParameterByName(param);
+      log("obtained val '" + val + "' from param '" + param + "'");
+      if (!val) {
+        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];
+      log("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
+      log("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) {
+      query = this.expandValue(query);
+      var old = this.team.config().query;
+      if (!old) {
+        // Stash this for subsequent inspection
+        this.team.config().query = query;
+      } else if (old === query) {
+        this.log("duplicate autosearch: '" + query + "': ignoring");
+        return;
+      } else {
+        this.log("conflicting autosearch: '" + query + "' vs '" + old + "': ignoring");
+        return;
+      }
+
+      this.team.queue("ready").subscribe(function() {
+        // Postpone testing for the configuration items: these 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.
+        var sortOrder = that.config.sort;
+        var maxrecs = that.config.maxrecs;
+        var perpage = that.config.perpage;
+        var limit = that.config.limit;
+        var targets = that.config.targets;
+        var targetfilter = that.config.targetfilter;
+        var target = that.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 + "'";
+        that.log(s);
+
+        that.team.newSearch(query, sortOrder, maxrecs, perpage, limit, targets, targetfilter);
+      });
+    }
+  };
+
+  // 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 = that.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 + "'");
+      log(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] + "'");
           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;
+      log(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;
+      log(that + ": set regular attribute " + a.name + "='" + val + "'");
     }
   }
 
@@ -103,71 +189,3 @@ function widget($, team, type, node) {
 
   return that;
 }
-
-
-// Utility function for use by all widgets that can invoke autosearch.
-widget.autosearch = function(widget) {
-  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");
-      }
-    }
-  }
-
-  if (query) {
-    widget.team.queue("ready").subscribe(function() {
-      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();
-  });
-};
-
-