Hello,
I've got an issue with paper-menu-button, with less than two paper-items,
and I wonder if this is related to polymer, or dart-polymer, or myself not
doing it right. The issue is that if I use paper-menu-button with zero
paper-items, dart signals an exception (code blows up) (and chrome console
signals an exception (Uncaught TypeError: Cannot read property 'offset' of
undefined web-animations.js:2079)). Here is sample code that causes the
exception:
<paper-menu-button id="menu"
icon="menu" halign="left" title="Menu">
</paper-menu-button>
If I have one paper-item, then the code behaves fine, but no text is
displayed for the item. Doing inspection in the browser shows that the
opacity for the paper-item is set to zero; here is a copy of the inspected
element (paper-item):
<paper-item label="Menu Item 1" class="menu-item core-selected"
center="" horizontal="" layout="" active="" style="opacity:
0;"></paper-item>
Here is a sample code:
<paper-menu-button id="menu"
icon="menu" halign="left" title="Menu">
<paper-item label="Menu
Item 1" class="menu-item"></paper-item>
</paper-menu-button>
If I have at least two paper-items, then everything is good and works as
expected. Inspecting the element (paper-item) now show (first item was
selected):
<paper-item label="Menu Item 1" class="menu-item core-selected"
center="" horizontal="" layout="" style="opacity: 1;"
active=""></paper-item>
<paper-item label="Menu Item 2" class="menu-item" center=""
horizontal="" layout="" style="opacity: 1;"></paper-item>
Here is a sample code:
<paper-menu-button id="menu"
icon="menu" halign="left" title="Menu">
<paper-item label="Menu
Item 1" class="menu-item"></paper-item>
<paper-item label="Menu
Item 2" class="menu-item"></paper-item>
</paper-menu-button>
Is the paper-menu-button always expecting at least two paper-items? How
should the menu be used with less than two paper-items?
I got the latest polymer and paper versions in my dart environment (dart
version 1.6.0) (polymer >=0.12.0 <0.13.0, paper_elements >=0.1.0 <0.2.0,
core_elements >=0.1.0 <0.2.0).
Best regards,
Jan
Follow Polymer on Google+: plus.google.com/107187849809354688692
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