add new <searchvalue> attribute which dynamically changes it's appearance depending on the data being entered.

also updated notification mechanism for abstract search menulists to notify an arbitrary number of widgets that their value has changed.

mailnews/base/resources/skin/mailWidgets.xml

@@ -23,7 +23,14 @@
           <![CDATA[
             this.internalScope = val;
             this.refreshList();
-            if (this.target) this.target.searchScope = val;
+            var targets = this.targets;
+            if (targets) {
+              for (var i=0; i< targets.length; i++) {
+                dump("searchScopeSet: targets[" + i + "] = " + targets[i] + "\n")
+                targets[i].searchScope = val;
+              }
+            }
+            dump("done\n");
           ]]>
         </setter>
         <getter>
@@ -47,10 +54,22 @@
           ]]>
         </getter>
       </property>
-      <property name="target" readonly="true">
+      <property name="targets" readonly="true">
         <getter>
           <![CDATA[
-            return document.getElementById(this.getAttribute("for"));
+            var forAttrs =  this.getAttribute("for");
+            if (!forAttrs) return null;
+            var targetIds = forAttrs.split(",");
+            if (targetIds.length == 0) return null;
+
+            var targets = new Array;
+            var j=0;
+            for (var i=0; i<targetIds.length;i++) {
+              var target = document.getElementById(targetIds[i]);
+              if (target) targets[j++] = target;
+              if (!target) dump("Bad target " + i + ": " + targetIds[i] + "\n");
+            }
+            return targets;
           ]]>
         </getter>
       </property>
@@ -96,13 +115,24 @@
           <![CDATA[
             dump("onSelect!\n");
             var menulist = this.anonymousContent[0];
-            if (this.target) this.target.searchAttribute = menulist.data;
+
+            // notify targets
+            var targets = this.targets;
+            if (targets) {
+              dump("There are " + targets.length + " targets\n");
+              for (var i=0; i< targets.length; i++) {
+                dump("onSelect: targets[" + i + "] = " + targets[i] + "\n");
+                targets[i].parentValue = menulist.data;
+              }
+            }
           ]]>
         </body>
       </method>
     </interface>
     <handler type="command" value="dump('onCommand!\n');"/>
   </binding>
+
+  <!-- searchattribute - Subject, Sender, To, CC, etc. -->
   <binding id="searchattribute"
            extends="chrome://messenger/skin/mailWidgets.xml#search-menulist-abstract">
     <interface>
@@ -121,6 +151,8 @@
       </property>
     </interface>
   </binding>
+
+  <!-- searchoperator - Contains, Is Less than, etc -->
   <binding id="searchoperator"
            extends="chrome://messenger/skin/mailWidgets.xml#search-menulist-abstract">
     <interface>
@@ -137,20 +169,66 @@
           ]]>
         </getter>
       </property>
-      <property name="searchAttribute">
+      <property name="parentValue">
         <setter>
           <![CDATA[
-            this.internalSearchAttribute = val;
+            this.searchAttribute = val;
             this.refreshList();
           ]]>
         </setter>
         <getter>
           <![CDATA[
-            return this.internalSearchAttribute;
+            return this.searchAttribute;
           ]]>
         </getter>
       </property>
     </interface>
   </binding>
 
+  <!-- searchvalue - a widget which dynamically changes it's user interface
+       depending on what type of data it's supposed to be showing
+       currently handles arbitrary text entry, and menulists for priority and
+       status
+  -->
+  <binding id="searchvalue" extends="xul:deck">
+    <!-- yeah yeah, this stuff needs to be localized. I'm working on it! -->
+    <content>
+      <xul:textfield flex="1" />
+      <xul:menulist flex="1" >
+        <xul:menupopup>
+          <xul:menuitem value="Lowest"/>
+          <xul:menuitem value="Low"/>
+          <xul:menuitem value="Normal"/>
+          <xul:menuitem value="High"/>
+          <xul:menuitem value="Highest"/>
+        </xul:menupopup>
+      </xul:menulist>
+      <xul:menulist flex="1" >
+        <xul:menupopup>
+          <xul:menuitem value="read"/>
+          <xul:menuitem value="replied"/>
+        </xul:menupopup>
+      </xul:menulist>
+    </content>
+    <interface>
+      <!-- parentValue forwards to the attribute -->
+      <property name="parentValue" onset="this.searchAttribute=val;"
+                                   onget="return this.searchAttribute;"/>
+      <property name="searchAttribute" onget="return this.internalAttribute;">
+        <setter>
+          <![CDATA[
+            this.internalAttribute = val;
+            // we inherit from a deck, so just use it's index attribute
+            // to hide/show widgets
+            if (val == Components.interfaces.nsMsgSearchAttrib.Priority)
+              this.setAttribute("index", "2");
+            else if (val == Components.interfaces.nsMsgSearchAttrib.MsgStatus)
+              this.setAttribute("index", "2");
+            else
+              this.setAttribute("index", "0");
+          ]]>
+        </setter>
+      </property>
+    </interface>
+  </binding>
 </bindings>

mailnews/base/resources/skin/messenger.css

@@ -309,3 +309,7 @@ searchattribute {
 searchoperator {
   behavior: url(chrome://messenger/skin/mailWidgets.xml#searchoperator);
 }
+
+searchvalue {
+ behavior: url(chrome://messenger/skin/mailWidgets.xml#searchvalue);
+}