Implement multi-selection

The UI and the internal APIs are still rough around the edges but the
feature is basically working. You can now select multiple cards and
move them together or (un|)assign them a label.

client/components/forms/forms.styl

@@ -30,10 +30,6 @@ input[type="radio"]
   -webkit-appearance: radio
   min-height: inherit
 
-input[type="checkbox"]
-  -webkit-appearance: checkbox
-  margin-right: 4px
-
 input[type="text"],
 input[type="password"],
 input[type="email"]
@@ -182,10 +178,6 @@ fieldset
 input[type="hidden"]
   display: none
 
-input[type="checkbox"],
-input[type="radio"]
-  display: inline
-
 .radio-div,
 .check-div
   display: block
@@ -233,6 +225,36 @@ textarea
     font-size: 26px
     margin: 3px 4px
 
+// Material Design checkboxes
+[type="checkbox"]:not(:checked),
+[type="checkbox"]:checked
+  position: absolute
+  left: -9999px
+  visibility: hidden
+
+.materialCheckBox
+  position: relative
+  width: 13px
+  height: @width
+  z-index: 0
+  border: 2px solid #5a5a5a
+  border-radius: 1px
+  transition: .2s
+  margin: 0
+  cursor: pointer
+
+  &.is-checked
+    top: -4px
+    left: -3px
+    width: 7px
+    height: 15px
+    margin-right: 6px
+    border-top: 2px solid transparent
+    border-left: 2px solid transparent
+    transform: rotate(40deg)
+    -webkit-backface-visibility: hidden
+    transform-origin: 100% 100%
+
 .button-link
   background: #fff
   background: linear-gradient(#fff, #f5f5f5)
@@ -355,9 +377,6 @@ textarea
       background-color: rgba(255, 255, 255, .3)
       border-color: transparent
 
-    .icon-sm
-      color: #fff
-
   &:active
     background: #2e85b8
     background: linear-gradient(#2e85b8, #28739f)
@@ -401,7 +420,6 @@ textarea
       border-color: #8b0e0e
 
 button
-
   &.quiet-button,
   &.loud-text-button
     background: none
@@ -438,11 +456,6 @@ button
   &.w-img
     padding-left: 28px
 
-  .icon-sm
-    left: 6px
-    position: absolute
-    top: 6px
-
   &:hover
     color: #4d4d4d
     background: #dcdcdc
@@ -575,29 +588,8 @@ button
     border-color: #2e85b8
     color: #fff
 
-.form-grid
-  display: flex
-  flex-wrap: wrap
-  width: 100%
-
-.form-grid-child
-  flex: 1
-  margin: 0 0 8px
-
-.form-grid-child-full
-  flex: 1 1 100%
-
-.form-grid-child-threequarters
-  flex: 3
-  margin-right: 8px
-
-.form-grid-child-twothirds
-  flex: 2
-  margin-right: 8px
-
 .dropdown-menu
   border-radius: 2px
-  // padding-bottom: 3px
   overflow: hidden
 
   li

client/components/forms/inlinedform.js

@@ -97,6 +97,6 @@ BlazeComponent.extendComponent({
 
 // Press escape to close the currently opened inlinedForm
 EscapeActions.register('inlinedForm',
-  function() { return currentlyOpenedForm.get() !== null; },
-  function() { currentlyOpenedForm.get().close(); }
+  function() { currentlyOpenedForm.get().close(); },
+  function() { return currentlyOpenedForm.get() !== null; }
 );