backbone.js - Webshims placeholder is being hidden when appending dynamic content -


i'm trying put email list template using handlebars.js requirejs , backbone.js, initial rendering shows expected - single email input add icon add more.

    var emailview = bb.view.extend({      tagname:   'ul',     classname: 'emaillist',      events: {         "click .addemail"     : "addemail",         "click .deleteemail"  : "deleteemail"     },      initialize : function () {         this.template = hb.compile(hbtemplate);     },      render : function () {                                 this.$el.htmlpolyfill(this.template(this.model.tojson()));         this.updateicons();         return this;     },     ...

the addemail handler (i've tried appendpolyfill(), appendpolyfillto, , current updatepolyfill(). produce same results. new line item added, placeholders disappear (this true controls outside of $el, appears whole page.)

    addemail : function(e) {         this.$el.append( this.template({}) );         this.$el.updatepolyfill();         this.updateicons();     }

what want existing controls maintain placeholder text , new 1 added showing placeholder text well. missing?

if helps, template looks ...

<li>     <span class="requiredprompt">*</span>     <img class="icon" alt="" src="/images/emailicon.png"  />      <input type="email" class="emailaddress" value="" placeholder="email address" maxlength="50" required/>      <a class="deleteemail" href="javascript:void(0)">         <img class="icon" alt="" src="/images/delfile.png" />     </a>      <a class="addemail" href="javascript:void(0)">          <img class="icon enabled"  alt="" src="/images/addfile.png" />         <img class="icon disabled" alt="" src="/images/addfile-disabled.png" />     </a> </li>

as quick fix can return false or preventdefault() on click handler. here modfied jsfidlle.

jquery('.addemail').click(function () {     jquery('.emaillist').appendpolyfill(emailitem);     return false; });

webshims thinks page unloaded , clears placeholders.


Comments

Post a Comment

Popular posts from this blog

linux - xterm copying to CLIPBOARD using copy-selection causes automatic updating of CLIPBOARD upon mouse selection -

i've tried various ways coerce xterm (versions 285 , 292) copy selection clipboard clipboard whenever press ctrl-shift-c. promising way far has been, in ~/.xresources, put this: xterm*vt100.translations: #override \ ctrl shift <keypress> c: copy-selection(clipboard) \n\ ctrl shift <keypress> v: insert-selection(clipboard) ctrl-shift-v works perfectly, copying has nuance... if restart xterm, highlighting text puts things in primary clipboard; expected, proper, default behavior. if hit ctrl-shift-c, copies current selection clipboard clipboard. the bug, however, if highlight text after first time pressed ctrl-shift-c, you'll see highlighting copies both primary and clipboard. cannot figure out how stop xterm updating clipboard upon selection... , doesn't make sense me in first place. i said, @ specific point in time, copy selection clipboard... yet starts updating automatically upon selection after doing once... anyone have workaround...
Read more

c++ - qgraphicsview horizontal scrolling always has a vertical delta -

Image
i've subclassed qgraphicsview custom canvas used in cad application. i've reimplemented qgraphicsview::wheelevent check keyboard modifiers control key and, if control key pressed, zoom. i'm trying implement horizontal scroll when user holds shift , uses wheel. the problem i'm having horizontal scrolling always scrolls 0.279. not huge problem, hugely annoying , points else being wrong. so, here questions: is right way implement horizontal scrolling? if not, is? how eliminate delta of 0.279? thanks in advance. code , sample output below void myview::zoom(int delta) { double factor = pow(1.2, delta/abs(delta)); this->scale(factor, factor); } void myview::scrollhorizontal(int level) { qpointf center = maptoscene(viewport()->rect().center()); qdebug() << "center: " << center.x() << ", " << center.y(); centeron(qpointf(center.x() - level, center.y())); } void myview::wheelevent(qwheeleve...
Read more