Fix bug 806305 - unchecked “task” printing, should disable relative settings. r=philipp

calendar/base/content/dialogs/calendar-print-dialog.js

@@ -53,6 +53,8 @@ function loadCalendarPrintDialog() {
 
     opener.setCursor("auto");
 
+    eventsAndTasksOptions("tasks");
+
     refreshHtml();
 
     self.focus();
@@ -293,3 +295,15 @@ function onDatePick() {
     calRadioGroupSelectItem("view-field", "custom-range");
     setTimeout(refreshHtml, 0);
 }
+
+function eventsAndTasksOptions(targetId) {
+    let checkbox = document.getElementById(targetId);
+    let checked = checkbox.getAttribute("checked") == "true";
+    // Workaround to make the checkbox persistent (bug 15232).
+    checkbox.setAttribute("checked", checked ? "true" : "false");
+
+    if (targetId == "tasks") {
+        setElementValue("tasks-with-no-due-date", !checked, "disabled");
+        setElementValue("completed-tasks", !checked, "disabled");
+    }
+}

calendar/base/content/dialogs/calendar-print-dialog.xul

@@ -28,6 +28,7 @@
 
   <script type="application/javascript" src="chrome://calendar/content/calendar-print-dialog.js"/>
   <script type="application/javascript" src="chrome://calendar/content/calUtils.js"/>
+  <script type="application/javascript" src="chrome://calendar/content/calendar-ui-utils.js"/>
   <script type="application/javascript" src="chrome://global/content/printUtils.js"/>
 
   <hbox id="firstHbox" flex="1">
@@ -71,10 +72,12 @@
         <grid id="grid-events-and-tasks">
           <columns id="columns-for-events-and-tasks">
             <column id="column-event">
-              <checkbox id="events" label="&calendar.print.events.label;" checked="true" oncommand="refreshHtml();"/>
+              <checkbox id="events" label="&calendar.print.events.label;" checked="true"
+                        oncommand="eventsAndTasksOptions(this.id); refreshHtml();" persist="checked" autocheck="false"/>
             </column>
             <column id="column-tasks">
-              <checkbox id="tasks" label="&calendar.print.tasks.label;" checked="true" oncommand="refreshHtml();"/>
+              <checkbox id="tasks" label="&calendar.print.tasks.label;" checked="true"
+                        oncommand="eventsAndTasksOptions(this.id); refreshHtml();" persist="checked" autocheck="false"/>
             </column>
           </columns>
         </grid>